X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Ffiles.c;h=16af2dd4b4d84769faffc1c981a4153040a98498;hp=7d32cda82ebe2ee5137a39c078fa91f7a13f26dc;hb=abe44529b439ad39b4d8dbf19cbd67c9b9844279;hpb=872cf2d86e73d185fcad1fac7b389e7d1dfcb839 diff --git a/src/files.c b/src/files.c index 7d32cda8..16af2dd4 100644 --- a/src/files.c +++ b/src/files.c @@ -1,15 +1,13 @@ -/*********************************************************** -* Rocks'n'Diamonds -- McDuffin Strikes Back! * -*----------------------------------------------------------* -* (c) 1995-2006 Artsoft Entertainment * -* Holger Schemel * -* Detmolder Strasse 189 * -* 33604 Bielefeld * -* Germany * -* e-mail: info@artsoft.org * -*----------------------------------------------------------* -* files.c * -***********************************************************/ +// ============================================================================ +// Rocks'n'Diamonds - McDuffin Strikes Back! +// ---------------------------------------------------------------------------- +// (c) 1995-2014 by Artsoft Entertainment +// Holger Schemel +// info@artsoft.org +// http://www.artsoft.org/ +// ---------------------------------------------------------------------------- +// files.c +// ============================================================================ #include #include @@ -182,6 +180,12 @@ static struct LevelFileConfigInfo chunk_config_INFO[] = &li.gems_needed, 0 }, + { + -1, -1, + TYPE_INTEGER, CONF_VALUE_32_BIT(2), + &li.random_seed, 0 + }, + { -1, -1, TYPE_BOOLEAN, CONF_VALUE_8_BIT(2), @@ -218,12 +222,24 @@ static struct LevelFileConfigInfo chunk_config_INFO[] = &li.dont_collide_with_bits, ~0 /* default: always deadly */ }, + { + -1, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(8), + &li.em_explodes_by_fire, FALSE + }, + { -1, -1, TYPE_INTEGER, CONF_VALUE_16_BIT(5), &li.score[SC_TIME_BONUS], 1 }, + { + -1, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(9), + &li.auto_exit_sokoban, FALSE + }, + { -1, -1, -1, -1, @@ -311,6 +327,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] = TYPE_ELEMENT, CONF_VALUE_16_BIT(3), &li.explosion_element[0], EL_PLAYER_1 }, + { + EL_PLAYER_1, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(13), + &li.use_initial_inventory[0], FALSE + }, + { + EL_PLAYER_1, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(14), + &li.initial_inventory_size[0], 1 + }, + { + EL_PLAYER_1, -1, + TYPE_ELEMENT_LIST, CONF_VALUE_BYTES(1), + &li.initial_inventory_content[0][0],EL_EMPTY, NULL, + &li.initial_inventory_size[0], 1, MAX_INITIAL_INVENTORY_SIZE + }, { EL_PLAYER_2, -1, @@ -352,6 +384,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] = TYPE_ELEMENT, CONF_VALUE_16_BIT(3), &li.explosion_element[1], EL_PLAYER_2 }, + { + EL_PLAYER_2, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(13), + &li.use_initial_inventory[1], FALSE + }, + { + EL_PLAYER_2, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(14), + &li.initial_inventory_size[1], 1 + }, + { + EL_PLAYER_2, -1, + TYPE_ELEMENT_LIST, CONF_VALUE_BYTES(1), + &li.initial_inventory_content[1][0],EL_EMPTY, NULL, + &li.initial_inventory_size[1], 1, MAX_INITIAL_INVENTORY_SIZE + }, { EL_PLAYER_3, -1, @@ -393,6 +441,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] = TYPE_ELEMENT, CONF_VALUE_16_BIT(3), &li.explosion_element[2], EL_PLAYER_3 }, + { + EL_PLAYER_3, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(13), + &li.use_initial_inventory[2], FALSE + }, + { + EL_PLAYER_3, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(14), + &li.initial_inventory_size[2], 1 + }, + { + EL_PLAYER_3, -1, + TYPE_ELEMENT_LIST, CONF_VALUE_BYTES(1), + &li.initial_inventory_content[2][0],EL_EMPTY, NULL, + &li.initial_inventory_size[2], 1, MAX_INITIAL_INVENTORY_SIZE + }, { EL_PLAYER_4, -1, @@ -434,6 +498,22 @@ static struct LevelFileConfigInfo chunk_config_ELEM[] = TYPE_ELEMENT, CONF_VALUE_16_BIT(3), &li.explosion_element[3], EL_PLAYER_4 }, + { + EL_PLAYER_4, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(13), + &li.use_initial_inventory[3], FALSE + }, + { + EL_PLAYER_4, -1, + TYPE_BOOLEAN, CONF_VALUE_8_BIT(14), + &li.initial_inventory_size[3], 1 + }, + { + EL_PLAYER_4, -1, + TYPE_ELEMENT_LIST, CONF_VALUE_BYTES(1), + &li.initial_inventory_content[3][0],EL_EMPTY, NULL, + &li.initial_inventory_size[3], 1, MAX_INITIAL_INVENTORY_SIZE + }, { EL_EMERALD, -1, @@ -806,8 +886,8 @@ static struct LevelFileConfigInfo chunk_config_CUSX_base[] = { -1, -1, TYPE_ELEMENT, CONF_VALUE_16_BIT(1), - &xx_ei.gfx_element, EL_EMPTY_SPACE, - &yy_ei.gfx_element + &xx_ei.gfx_element_initial, EL_EMPTY_SPACE, + &yy_ei.gfx_element_initial }, { @@ -1045,7 +1125,7 @@ static struct LevelFileConfigInfo chunk_config_CUSX_change[] = { -1, -1, TYPE_ELEMENT, CONF_VALUE_16_BIT(5), - &xx_change.trigger_element, EL_EMPTY_SPACE + &xx_change.initial_trigger_element, EL_EMPTY_SPACE }, { @@ -1100,6 +1180,12 @@ static struct LevelFileConfigInfo chunk_config_CUSX_change[] = &xx_change.action_arg, CA_ARG_UNDEFINED }, + { + -1, -1, + TYPE_ELEMENT, CONF_VALUE_16_BIT(7), + &xx_change.action_element, EL_EMPTY_SPACE + }, + { -1, -1, TYPE_CONTENT_LIST, CONF_VALUE_BYTES(1), @@ -1132,7 +1218,7 @@ static struct LevelFileConfigInfo chunk_config_GRPX[] = { -1, -1, TYPE_ELEMENT, CONF_VALUE_16_BIT(1), - &xx_ei.gfx_element, EL_EMPTY_SPACE + &xx_ei.gfx_element_initial, EL_EMPTY_SPACE }, { @@ -1232,6 +1318,22 @@ filetype_id_list[] = /* level file functions */ /* ========================================================================= */ +static boolean check_special_flags(char *flag) +{ +#if 0 + printf("::: '%s', '%s', '%s'\n", + flag, + options.special_flags, + leveldir_current->special_flags); +#endif + + if (strEqual(options.special_flags, flag) || + strEqual(leveldir_current->special_flags, flag)) + return TRUE; + + return FALSE; +} + static struct DateInfo getCurrentDate() { time_t epoch_seconds = time(NULL); @@ -1242,6 +1344,8 @@ static struct DateInfo getCurrentDate() date.month = now->tm_mon + 1; date.day = now->tm_mday; + date.src = DATE_SRC_CLOCK; + return date; } @@ -1490,11 +1594,203 @@ void setElementChangeInfoToDefaults(struct ElementChangeInfo *change) change->post_change_function = NULL; } -static void setLevelInfoToDefaults(struct LevelInfo *level) +#if 1 + +static void setLevelInfoToDefaults_Level(struct LevelInfo *level) +{ + int i, x, y; + + li = *level; /* copy level data into temporary buffer */ + setConfigToDefaultsFromConfigList(chunk_config_INFO); + *level = li; /* copy temporary buffer back to level data */ + + setLevelInfoToDefaults_EM(); + setLevelInfoToDefaults_SP(); + + level->native_em_level = &native_em_level; + level->native_sp_level = &native_sp_level; + + level->file_version = FILE_VERSION_ACTUAL; + level->game_version = GAME_VERSION_ACTUAL; + + level->creation_date = getCurrentDate(); + + level->encoding_16bit_field = TRUE; + level->encoding_16bit_yamyam = TRUE; + level->encoding_16bit_amoeba = TRUE; + + for (x = 0; x < MAX_LEV_FIELDX; x++) + for (y = 0; y < MAX_LEV_FIELDY; y++) + level->field[x][y] = EL_SAND; + + for (i = 0; i < MAX_LEVEL_NAME_LEN; i++) + level->name[i] = '\0'; + for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++) + level->author[i] = '\0'; + + strcpy(level->name, NAMELESS_LEVEL_NAME); + strcpy(level->author, ANONYMOUS_NAME); + + level->field[0][0] = EL_PLAYER_1; + level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED; + + BorderElement = EL_STEELWALL; + + /* set all bug compatibility flags to "false" => do not emulate this bug */ + level->use_action_after_change_bug = FALSE; + + if (leveldir_current) + { + /* try to determine better author name than 'anonymous' */ + if (!strEqual(leveldir_current->author, ANONYMOUS_NAME)) + { + strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN); + level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + } + else + { + switch (LEVELCLASS(leveldir_current)) + { + case LEVELCLASS_TUTORIAL: + strcpy(level->author, PROGRAM_AUTHOR_STRING); + break; + + case LEVELCLASS_CONTRIB: + strncpy(level->author, leveldir_current->name, MAX_LEVEL_AUTHOR_LEN); + level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + break; + + case LEVELCLASS_PRIVATE: + strncpy(level->author, getRealName(), MAX_LEVEL_AUTHOR_LEN); + level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + break; + + default: + /* keep default value */ + break; + } + } + } +} + +static void setLevelInfoToDefaults_Elements(struct LevelInfo *level) +{ + static boolean clipboard_elements_initialized = FALSE; + int i; + + InitElementPropertiesStatic(); + + li = *level; /* copy level data into temporary buffer */ + setConfigToDefaultsFromConfigList(chunk_config_ELEM); + *level = li; /* copy temporary buffer back to level data */ + + for (i = 0; i < MAX_NUM_ELEMENTS; i++) + { + int element = i; + struct ElementInfo *ei = &element_info[element]; + + /* never initialize clipboard elements after the very first time */ + /* (to be able to use clipboard elements between several levels) */ + if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized) + continue; + + if (IS_ENVELOPE(element)) + { + int envelope_nr = element - EL_ENVELOPE_1; + + setConfigToDefaultsFromConfigList(chunk_config_NOTE); + + level->envelope[envelope_nr] = xx_envelope; + } + + if (IS_CUSTOM_ELEMENT(element) || + IS_GROUP_ELEMENT(element) || + IS_INTERNAL_ELEMENT(element)) + { + xx_ei = *ei; /* copy element data into temporary buffer */ + + setConfigToDefaultsFromConfigList(chunk_config_CUSX_base); + + *ei = xx_ei; + } + + setElementChangePages(ei, 1); + setElementChangeInfoToDefaults(ei->change); + + if (IS_CUSTOM_ELEMENT(element) || + IS_GROUP_ELEMENT(element) || + IS_INTERNAL_ELEMENT(element)) + { + setElementDescriptionToDefault(ei); + + ei->modified_settings = FALSE; + } + + if (IS_CUSTOM_ELEMENT(element) || + IS_INTERNAL_ELEMENT(element)) + { + /* internal values used in level editor */ + + ei->access_type = 0; + ei->access_layer = 0; + ei->access_protected = 0; + ei->walk_to_action = 0; + ei->smash_targets = 0; + ei->deadliness = 0; + + ei->can_explode_by_fire = FALSE; + ei->can_explode_smashed = FALSE; + ei->can_explode_impact = FALSE; + + ei->current_change_page = 0; + } + + if (IS_GROUP_ELEMENT(element) || + IS_INTERNAL_ELEMENT(element)) + { + struct ElementGroupInfo *group; + + /* initialize memory for list of elements in group */ + if (ei->group == NULL) + ei->group = checked_malloc(sizeof(struct ElementGroupInfo)); + + group = ei->group; + + xx_group = *group; /* copy group data into temporary buffer */ + + setConfigToDefaultsFromConfigList(chunk_config_GRPX); + + *group = xx_group; + } + } + + clipboard_elements_initialized = TRUE; +} + +static void setLevelInfoToDefaults(struct LevelInfo *level, + boolean level_info_only) +{ + setLevelInfoToDefaults_Level(level); + + if (!level_info_only) + setLevelInfoToDefaults_Elements(level); + + level->no_valid_file = FALSE; + + level->changed = FALSE; +} + +#else + +static void setLevelInfoToDefaults(struct LevelInfo *level, + boolean level_info_only) { static boolean clipboard_elements_initialized = FALSE; int i, x, y; + if (level_info_only) + return; + InitElementPropertiesStatic(); li = *level; /* copy level data into temporary buffer */ @@ -1505,8 +1801,10 @@ static void setLevelInfoToDefaults(struct LevelInfo *level) *level = li; /* copy temporary buffer back to level data */ setLevelInfoToDefaults_EM(); + setLevelInfoToDefaults_SP(); level->native_em_level = &native_em_level; + level->native_sp_level = &native_sp_level; level->file_version = FILE_VERSION_ACTUAL; level->game_version = GAME_VERSION_ACTUAL; @@ -1620,40 +1918,45 @@ static void setLevelInfoToDefaults(struct LevelInfo *level) level->changed = FALSE; - if (leveldir_current == NULL) /* only when dumping level */ - return; + /* set all bug compatibility flags to "false" => do not emulate this bug */ + level->use_action_after_change_bug = FALSE; - /* try to determine better author name than 'anonymous' */ - if (!strEqual(leveldir_current->author, ANONYMOUS_NAME)) - { - strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN); - level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; - } - else + if (leveldir_current) { - switch (LEVELCLASS(leveldir_current)) + /* try to determine better author name than 'anonymous' */ + if (!strEqual(leveldir_current->author, ANONYMOUS_NAME)) { - case LEVELCLASS_TUTORIAL: - strcpy(level->author, PROGRAM_AUTHOR_STRING); - break; - - case LEVELCLASS_CONTRIB: - strncpy(level->author, leveldir_current->name, MAX_LEVEL_AUTHOR_LEN); - level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; - break; - - case LEVELCLASS_PRIVATE: - strncpy(level->author, getRealName(), MAX_LEVEL_AUTHOR_LEN); - level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; - break; - - default: - /* keep default value */ - break; + strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN); + level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + } + else + { + switch (LEVELCLASS(leveldir_current)) + { + case LEVELCLASS_TUTORIAL: + strcpy(level->author, PROGRAM_AUTHOR_STRING); + break; + + case LEVELCLASS_CONTRIB: + strncpy(level->author, leveldir_current->name, MAX_LEVEL_AUTHOR_LEN); + level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + break; + + case LEVELCLASS_PRIVATE: + strncpy(level->author, getRealName(), MAX_LEVEL_AUTHOR_LEN); + level->author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + break; + + default: + /* keep default value */ + break; + } } } } +#endif + static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info) { level_file_info->nr = 0; @@ -1665,33 +1968,85 @@ static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info) static void ActivateLevelTemplate() { + int x, y; + /* Currently there is no special action needed to activate the template data, because 'element_info' property settings overwrite the original level data, while all other variables do not change. */ -} -static char *getLevelFilenameFromBasename(char *basename) -{ - static char *filename = NULL; + /* Exception: 'from_level_template' elements in the original level playfield + are overwritten with the corresponding elements at the same position in + playfield from the level template. */ - checked_free(filename); + for (x = 0; x < level.fieldx; x++) + for (y = 0; y < level.fieldy; y++) + if (level.field[x][y] == EL_FROM_LEVEL_TEMPLATE) + level.field[x][y] = level_template.field[x][y]; - filename = getPath2(getCurrentLevelDir(), basename); + if (check_special_flags("load_xsb_to_ces")) + { + struct LevelInfo level_backup = level; + + /* overwrite all individual level settings from template level settings */ + level = level_template; + + /* restore playfield size */ + level.fieldx = level_backup.fieldx; + level.fieldy = level_backup.fieldy; + + /* restore playfield content */ + for (x = 0; x < level.fieldx; x++) + for (y = 0; y < level.fieldy; y++) + level.field[x][y] = level_backup.field[x][y]; + + /* restore name and author from individual level */ + strcpy(level.name, level_backup.name); + strcpy(level.author, level_backup.author); + + /* restore flag "use_custom_template" */ + level.use_custom_template = level_backup.use_custom_template; + } +} + +static char *getLevelFilenameFromBasename(char *basename) +{ + static char *filename = NULL; + + checked_free(filename); + + filename = getPath2(getCurrentLevelDir(), basename); return filename; } static int getFileTypeFromBasename(char *basename) { + /* !!! ALSO SEE COMMENT IN checkForPackageFromBasename() !!! */ + static char *filename = NULL; struct stat file_status; /* ---------- try to determine file type from filename ---------- */ /* check for typical filename of a Supaplex level package file */ +#if 1 + if (strlen(basename) == 10 && strPrefixLower(basename, "levels.d")) + return LEVEL_FILE_TYPE_SP; +#else if (strlen(basename) == 10 && (strncmp(basename, "levels.d", 8) == 0 || strncmp(basename, "LEVELS.D", 8) == 0)) return LEVEL_FILE_TYPE_SP; +#endif + + /* check for typical filename of a Diamond Caves II level package file */ + if (strSuffixLower(basename, ".dc") || + strSuffixLower(basename, ".dc2")) + return LEVEL_FILE_TYPE_DC; + + /* check for typical filename of a Sokoban level package file */ + if (strSuffixLower(basename, ".xsb") && + strchr(basename, '%') == NULL) + return LEVEL_FILE_TYPE_SB; /* ---------- try to determine file type from filesize ---------- */ @@ -1708,18 +2063,73 @@ static int getFileTypeFromBasename(char *basename) return LEVEL_FILE_TYPE_UNKNOWN; } -static char *getSingleLevelBasename(int nr) +static boolean checkForPackageFromBasename(char *basename) +{ + /* !!! WON'T WORK ANYMORE IF getFileTypeFromBasename() ALSO DETECTS !!! + !!! SINGLE LEVELS (CURRENTLY ONLY DETECTS LEVEL PACKAGES !!! */ + + return (getFileTypeFromBasename(basename) != LEVEL_FILE_TYPE_UNKNOWN); +} + +static char *getSingleLevelBasenameExt(int nr, char *extension) { static char basename[MAX_FILENAME_LEN]; if (nr < 0) - sprintf(basename, "template.%s", LEVELFILE_EXTENSION); + sprintf(basename, "template.%s", extension); else - sprintf(basename, "%03d.%s", nr, LEVELFILE_EXTENSION); + sprintf(basename, "%03d.%s", nr, extension); + + return basename; +} + +static char *getSingleLevelBasename(int nr) +{ + return getSingleLevelBasenameExt(nr, LEVELFILE_EXTENSION); +} + +#if 1 + +static char *getPackedLevelBasename(int type) +{ + static char basename[MAX_FILENAME_LEN]; + char *directory = getCurrentLevelDir(); + Directory *dir; + DirectoryEntry *dir_entry; + + strcpy(basename, UNDEFINED_FILENAME); /* default: undefined file */ + + if ((dir = openDirectory(directory)) == NULL) + { + Error(ERR_WARN, "cannot read current level directory '%s'", directory); + + return basename; + } + + while ((dir_entry = readDirectory(dir)) != NULL) /* loop all entries */ + { + char *entry_basename = dir_entry->basename; + int entry_type = getFileTypeFromBasename(entry_basename); + + if (entry_type != LEVEL_FILE_TYPE_UNKNOWN) /* found valid level package */ + { + if (type == LEVEL_FILE_TYPE_UNKNOWN || + type == entry_type) + { + strcpy(basename, entry_basename); + + break; + } + } + } + + closeDirectory(dir); return basename; } +#else + static char *getPackedLevelBasename(int type) { static char basename[MAX_FILENAME_LEN]; @@ -1758,6 +2168,8 @@ static char *getPackedLevelBasename(int type) return basename; } +#endif + static char *getSingleLevelFilename(int nr) { return getLevelFilenameFromBasename(getSingleLevelBasename(nr)); @@ -1847,9 +2259,33 @@ static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi) /* special case: level number is negative => check for level template file */ if (nr < 0) { +#if 1 + /* global variable "leveldir_current" must be modified in the loop below */ + LevelDirTree *leveldir_current_last = leveldir_current; + + /* check for template level in path from current to topmost tree node */ + + while (leveldir_current != NULL) + { + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND, + "template.%s", LEVELFILE_EXTENSION); + + if (fileExists(lfi->filename)) + break; + + leveldir_current = leveldir_current->node_parent; + } + + /* restore global variable "leveldir_current" modified in above loop */ + leveldir_current = leveldir_current_last; + +#else + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND, "template.%s", LEVELFILE_EXTENSION); +#endif + /* no fallback if template file not existing */ return; } @@ -1861,6 +2297,9 @@ static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi) setLevelFileInfo_FormatLevelFilename(lfi, filetype, leveldir_current->level_filename, nr); + + lfi->packed = checkForPackageFromBasename(leveldir_current->level_filename); + if (fileExists(lfi->filename)) return; } @@ -1945,6 +2384,7 @@ int getMappedElement(int element) case EL_KEY_OBSOLETE: element = EL_KEY_1; + break; case EL_EM_KEY_1_FILE_OBSOLETE: element = EL_EM_KEY_1; @@ -2009,7 +2449,9 @@ int getMappedElementByVersion(int element, int game_version) return element; } -static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level) +#if 1 + +static int LoadLevel_VERS(File *file, int chunk_size, struct LevelInfo *level) { level->file_version = getFileVersion(file); level->game_version = getFileVersion(file); @@ -2017,16 +2459,18 @@ static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_DATE(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_DATE(File *file, int chunk_size, struct LevelInfo *level) { level->creation_date.year = getFile16BitBE(file); level->creation_date.month = getFile8Bit(file); level->creation_date.day = getFile8Bit(file); + level->creation_date.src = DATE_SRC_LEVELFILE; + return chunk_size; } -static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_HEAD(File *file, int chunk_size, struct LevelInfo *level) { int initial_player_stepsize; int initial_player_gravity; @@ -2091,7 +2535,7 @@ static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_NAME(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_NAME(File *file, int chunk_size, struct LevelInfo *level) { int i; @@ -2102,7 +2546,7 @@ static int LoadLevel_NAME(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_AUTH(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_AUTH(File *file, int chunk_size, struct LevelInfo *level) { int i; @@ -2113,7 +2557,7 @@ static int LoadLevel_AUTH(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_BODY(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_BODY(File *file, int chunk_size, struct LevelInfo *level) { int x, y; int chunk_size_expected = level->fieldx * level->fieldy; @@ -2140,7 +2584,7 @@ static int LoadLevel_BODY(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_CONT(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CONT(File *file, int chunk_size, struct LevelInfo *level) { int i, x, y; int header_size = 4; @@ -2180,17 +2624,25 @@ static int LoadLevel_CONT(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_CNT2(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CNT2(File *file, int chunk_size, struct LevelInfo *level) { int i, x, y; int element; - int num_contents, content_xsize, content_ysize; + int num_contents; +#if 0 + int content_xsize, content_ysize; +#endif int content_array[MAX_ELEMENT_CONTENTS][3][3]; element = getMappedElement(getFile16BitBE(file)); num_contents = getFile8Bit(file); +#if 1 + getFile8Bit(file); /* content x size (unused) */ + getFile8Bit(file); /* content y size (unused) */ +#else content_xsize = getFile8Bit(file); content_ysize = getFile8Bit(file); +#endif ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED); @@ -2224,7 +2676,7 @@ static int LoadLevel_CNT2(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_CNT3(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CNT3(File *file, int chunk_size, struct LevelInfo *level) { int i; int element; @@ -2258,7 +2710,7 @@ static int LoadLevel_CNT3(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CUS1(File *file, int chunk_size, struct LevelInfo *level) { int num_changed_custom_elements = getFile16BitBE(file); int chunk_size_expected = 2 + num_changed_custom_elements * 6; @@ -2289,7 +2741,7 @@ static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_CUS2(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CUS2(File *file, int chunk_size, struct LevelInfo *level) { int num_changed_custom_elements = getFile16BitBE(file); int chunk_size_expected = 2 + num_changed_custom_elements * 4; @@ -2315,7 +2767,7 @@ static int LoadLevel_CUS2(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CUS3(File *file, int chunk_size, struct LevelInfo *level) { int num_changed_custom_elements = getFile16BitBE(file); int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements); @@ -2350,7 +2802,7 @@ static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level) ReadUnusedBytesFromFile(file, 7); ei->use_gfx_element = getFile8Bit(file); - ei->gfx_element = getMappedElement(getFile16BitBE(file)); + ei->gfx_element_initial = getMappedElement(getFile16BitBE(file)); ei->collect_score_initial = getFile8Bit(file); ei->collect_count_initial = getFile8Bit(file); @@ -2379,7 +2831,7 @@ static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level) ei->change->delay_random = getFile16BitBE(file); ei->change->delay_frames = getFile16BitBE(file); - ei->change->trigger_element = getMappedElement(getFile16BitBE(file)); + ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file)); ei->change->explode = getFile8Bit(file); ei->change->use_target_content = getFile8Bit(file); @@ -2406,7 +2858,7 @@ static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CUS4(File *file, int chunk_size, struct LevelInfo *level) { struct ElementInfo *ei; int chunk_size_expected; @@ -2449,7 +2901,7 @@ static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level) ei->use_last_ce_value = getFile8Bit(file); ei->use_gfx_element = getFile8Bit(file); - ei->gfx_element = getMappedElement(getFile16BitBE(file)); + ei->gfx_element_initial = getMappedElement(getFile16BitBE(file)); ei->collect_score_initial = getFile8Bit(file); ei->collect_count_initial = getFile8Bit(file); @@ -2512,7 +2964,7 @@ static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level) change->delay_random = getFile16BitBE(file); change->delay_frames = getFile16BitBE(file); - change->trigger_element = getMappedElement(getFile16BitBE(file)); + change->initial_trigger_element = getMappedElement(getFile16BitBE(file)); change->explode = getFile8Bit(file); change->use_target_content = getFile8Bit(file); @@ -2554,7 +3006,7 @@ static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_GRP1(File *file, int chunk_size, struct LevelInfo *level) { struct ElementInfo *ei; struct ElementGroupInfo *group; @@ -2582,7 +3034,7 @@ static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level) group->num_elements = getFile8Bit(file); ei->use_gfx_element = getFile8Bit(file); - ei->gfx_element = getMappedElement(getFile16BitBE(file)); + ei->gfx_element_initial = getMappedElement(getFile16BitBE(file)); group->choice_mode = getFile8Bit(file); @@ -2598,7 +3050,7 @@ static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level) return chunk_size; } -static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf, +static int LoadLevel_MicroChunk(File *file, struct LevelFileConfigInfo *conf, int element, int real_element) { int micro_chunk_size = 0; @@ -2738,13 +3190,13 @@ static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf, return micro_chunk_size; } -static int LoadLevel_INFO(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_INFO(File *file, int chunk_size, struct LevelInfo *level) { int real_chunk_size = 0; li = *level; /* copy level data into temporary buffer */ - while (!feof(file)) + while (!checkEndOfFile(file)) { real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1); @@ -2757,13 +3209,13 @@ static int LoadLevel_INFO(FILE *file, int chunk_size, struct LevelInfo *level) return real_chunk_size; } -static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CONF(File *file, int chunk_size, struct LevelInfo *level) { int real_chunk_size = 0; li = *level; /* copy level data into temporary buffer */ - while (!feof(file)) + while (!checkEndOfFile(file)) { int element = getMappedElement(getFile16BitBE(file)); @@ -2779,13 +3231,13 @@ static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level) return real_chunk_size; } -static int LoadLevel_ELEM(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_ELEM(File *file, int chunk_size, struct LevelInfo *level) { int real_chunk_size = 0; li = *level; /* copy level data into temporary buffer */ - while (!feof(file)) + while (!checkEndOfFile(file)) { int element = getMappedElement(getFile16BitBE(file)); @@ -2801,13 +3253,13 @@ static int LoadLevel_ELEM(FILE *file, int chunk_size, struct LevelInfo *level) return real_chunk_size; } -static int LoadLevel_NOTE(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_NOTE(File *file, int chunk_size, struct LevelInfo *level) { int element = getMappedElement(getFile16BitBE(file)); int envelope_nr = element - EL_ENVELOPE_1; int real_chunk_size = 2; - while (!feof(file)) + while (!checkEndOfFile(file)) { real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE, -1, element); @@ -2821,7 +3273,7 @@ static int LoadLevel_NOTE(FILE *file, int chunk_size, struct LevelInfo *level) return real_chunk_size; } -static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_CUSX(File *file, int chunk_size, struct LevelInfo *level) { int element = getMappedElement(getFile16BitBE(file)); int real_chunk_size = 2; @@ -2832,7 +3284,7 @@ static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level) xx_ei.num_change_pages = -1; - while (!feof(file)) + while (!checkEndOfFile(file)) { real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base, -1, element); @@ -2866,7 +3318,7 @@ static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level) /* start with reading properties for the first change page */ xx_current_change_page = 0; - while (!feof(file)) + while (!checkEndOfFile(file)) { struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page]; @@ -2888,7 +3340,7 @@ static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level) return real_chunk_size; } -static int LoadLevel_GRPX(FILE *file, int chunk_size, struct LevelInfo *level) +static int LoadLevel_GRPX(File *file, int chunk_size, struct LevelInfo *level) { int element = getMappedElement(getFile16BitBE(file)); int real_chunk_size = 2; @@ -2898,7 +3350,7 @@ static int LoadLevel_GRPX(FILE *file, int chunk_size, struct LevelInfo *level) xx_ei = *ei; /* copy element data into temporary buffer */ xx_group = *group; /* copy group data into temporary buffer */ - while (!feof(file)) + while (!checkEndOfFile(file)) { real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX, -1, element); @@ -2913,2836 +3365,5467 @@ static int LoadLevel_GRPX(FILE *file, int chunk_size, struct LevelInfo *level) return real_chunk_size; } -static void LoadLevelFromFileInfo_RND(struct LevelInfo *level, - struct LevelFileInfo *level_file_info) +#else + +static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level) { - char *filename = level_file_info->filename; - char cookie[MAX_LINE_LEN]; - char chunk_name[CHUNK_ID_LEN + 1]; - int chunk_size; - FILE *file; + level->file_version = getFileVersion(file); + level->game_version = getFileVersion(file); - if (!(file = fopen(filename, MODE_READ))) - { - level->no_valid_file = TRUE; + return chunk_size; +} - if (level != &level_template) - Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); +static int LoadLevel_DATE(FILE *file, int chunk_size, struct LevelInfo *level) +{ + level->creation_date.year = getFile16BitBE(file); + level->creation_date.month = getFile8Bit(file); + level->creation_date.day = getFile8Bit(file); - return; - } + level->creation_date.src = DATE_SRC_LEVELFILE; - getFileChunkBE(file, chunk_name, NULL); - if (strEqual(chunk_name, "RND1")) - { - getFile32BitBE(file); /* not used */ + return chunk_size; +} - getFileChunkBE(file, chunk_name, NULL); - if (!strEqual(chunk_name, "CAVE")) - { - level->no_valid_file = TRUE; +static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int initial_player_stepsize; + int initial_player_gravity; + int i, x, y; - Error(ERR_WARN, "unknown format of level file '%s'", filename); - fclose(file); - return; - } - } - else /* check for pre-2.0 file format with cookie string */ - { - strcpy(cookie, chunk_name); - fgets(&cookie[4], MAX_LINE_LEN - 4, file); - if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n') - cookie[strlen(cookie) - 1] = '\0'; + level->fieldx = getFile8Bit(file); + level->fieldy = getFile8Bit(file); - if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL)) - { - level->no_valid_file = TRUE; + level->time = getFile16BitBE(file); + level->gems_needed = getFile16BitBE(file); - Error(ERR_WARN, "unknown format of level file '%s'", filename); - fclose(file); - return; - } + for (i = 0; i < MAX_LEVEL_NAME_LEN; i++) + level->name[i] = getFile8Bit(file); + level->name[MAX_LEVEL_NAME_LEN] = 0; - if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1) - { - level->no_valid_file = TRUE; + for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) + level->score[i] = getFile8Bit(file); - Error(ERR_WARN, "unsupported version of level file '%s'", filename); - fclose(file); - return; - } + level->num_yamyam_contents = STD_ELEMENT_CONTENTS; + for (i = 0; i < STD_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i].e[x][y] = getMappedElement(getFile8Bit(file)); - /* pre-2.0 level files have no game version, so use file version here */ - level->game_version = level->file_version; - } + level->amoeba_speed = getFile8Bit(file); + level->time_magic_wall = getFile8Bit(file); + level->time_wheel = getFile8Bit(file); + level->amoeba_content = getMappedElement(getFile8Bit(file)); - if (level->file_version < FILE_VERSION_1_2) - { - /* level files from versions before 1.2.0 without chunk structure */ - LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level); - LoadLevel_BODY(file, level->fieldx * level->fieldy, level); - } - else - { - static struct - { - char *name; - int size; - int (*loader)(FILE *, int, struct LevelInfo *); - } - chunk_info[] = - { - { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS }, - { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE }, - { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD }, - { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME }, - { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH }, - { "INFO", -1, LoadLevel_INFO }, - { "BODY", -1, LoadLevel_BODY }, - { "CONT", -1, LoadLevel_CONT }, - { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 }, - { "CNT3", -1, LoadLevel_CNT3 }, - { "CUS1", -1, LoadLevel_CUS1 }, - { "CUS2", -1, LoadLevel_CUS2 }, - { "CUS3", -1, LoadLevel_CUS3 }, - { "CUS4", -1, LoadLevel_CUS4 }, - { "GRP1", -1, LoadLevel_GRP1 }, - { "CONF", -1, LoadLevel_CONF }, - { "ELEM", -1, LoadLevel_ELEM }, - { "NOTE", -1, LoadLevel_NOTE }, - { "CUSX", -1, LoadLevel_CUSX }, - { "GRPX", -1, LoadLevel_GRPX }, + initial_player_stepsize = (getFile8Bit(file) == 1 ? STEPSIZE_FAST : + STEPSIZE_NORMAL); - { NULL, 0, NULL } - }; + for (i = 0; i < MAX_PLAYERS; i++) + level->initial_player_stepsize[i] = initial_player_stepsize; - while (getFileChunkBE(file, chunk_name, &chunk_size)) - { - int i = 0; + initial_player_gravity = (getFile8Bit(file) == 1 ? TRUE : FALSE); - while (chunk_info[i].name != NULL && - !strEqual(chunk_name, chunk_info[i].name)) - i++; + for (i = 0; i < MAX_PLAYERS; i++) + level->initial_player_gravity[i] = initial_player_gravity; - if (chunk_info[i].name == NULL) - { - Error(ERR_WARN, "unknown chunk '%s' in level file '%s'", - chunk_name, filename); - ReadUnusedBytesFromFile(file, chunk_size); - } - else if (chunk_info[i].size != -1 && - chunk_info[i].size != chunk_size) - { - Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'", - chunk_size, chunk_name, filename); - ReadUnusedBytesFromFile(file, chunk_size); - } - else - { - /* call function to load this level chunk */ - int chunk_size_expected = - (chunk_info[i].loader)(file, chunk_size, level); + level->encoding_16bit_field = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->em_slippery_gems = (getFile8Bit(file) == 1 ? TRUE : FALSE); - /* the size of some chunks cannot be checked before reading other - chunks first (like "HEAD" and "BODY") that contain some header - information, so check them here */ - if (chunk_size_expected != chunk_size) - { - Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'", - chunk_size, chunk_name, filename); - } - } - } - } + level->use_custom_template = (getFile8Bit(file) == 1 ? TRUE : FALSE); - fclose(file); + level->block_last_field = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->sp_block_last_field = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->can_move_into_acid_bits = getFile32BitBE(file); + level->dont_collide_with_bits = getFile8Bit(file); + + level->use_spring_bug = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->use_step_counter = (getFile8Bit(file) == 1 ? TRUE : FALSE); + + level->instant_relocation = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->can_pass_to_walkable = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->grow_into_diggable = (getFile8Bit(file) == 1 ? TRUE : FALSE); + + level->game_engine_type = getFile8Bit(file); + + ReadUnusedBytesFromFile(file, LEVEL_CHUNK_HEAD_UNUSED); + + return chunk_size; } -/* ------------------------------------------------------------------------- */ -/* functions for loading EM level */ -/* ------------------------------------------------------------------------- */ +static int LoadLevel_NAME(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int i; -#if 0 + for (i = 0; i < MAX_LEVEL_NAME_LEN; i++) + level->name[i] = getFile8Bit(file); + level->name[MAX_LEVEL_NAME_LEN] = 0; -static int map_em_element_yam(int element) + return chunk_size; +} + +static int LoadLevel_AUTH(FILE *file, int chunk_size, struct LevelInfo *level) { - switch (element) - { - case 0x00: return EL_EMPTY; - case 0x01: return EL_EMERALD; - case 0x02: return EL_DIAMOND; - case 0x03: return EL_ROCK; - case 0x04: return EL_ROBOT; - case 0x05: return EL_SPACESHIP_UP; - case 0x06: return EL_BOMB; - case 0x07: return EL_BUG_UP; - case 0x08: return EL_AMOEBA_DROP; - case 0x09: return EL_NUT; - case 0x0a: return EL_YAMYAM; - case 0x0b: return EL_QUICKSAND_FULL; - case 0x0c: return EL_SAND; - case 0x0d: return EL_WALL_SLIPPERY; - case 0x0e: return EL_STEELWALL; - case 0x0f: return EL_WALL; - case 0x10: return EL_EM_KEY_1; - case 0x11: return EL_EM_KEY_2; - case 0x12: return EL_EM_KEY_4; - case 0x13: return EL_EM_KEY_3; - case 0x14: return EL_MAGIC_WALL; - case 0x15: return EL_ROBOT_WHEEL; - case 0x16: return EL_DYNAMITE; + int i; - case 0x17: return EL_EM_KEY_1; /* EMC */ - case 0x18: return EL_BUG_UP; /* EMC */ - case 0x1a: return EL_DIAMOND; /* EMC */ - case 0x1b: return EL_EMERALD; /* EMC */ - case 0x25: return EL_NUT; /* EMC */ - case 0x80: return EL_EMPTY; /* EMC */ - case 0x85: return EL_EM_KEY_1; /* EMC */ - case 0x86: return EL_EM_KEY_2; /* EMC */ - case 0x87: return EL_EM_KEY_4; /* EMC */ - case 0x88: return EL_EM_KEY_3; /* EMC */ - case 0x94: return EL_QUICKSAND_EMPTY; /* EMC */ - case 0x9a: return EL_AMOEBA_WET; /* EMC */ - case 0xaf: return EL_DYNAMITE; /* EMC */ - case 0xbd: return EL_SAND; /* EMC */ + for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++) + level->author[i] = getFile8Bit(file); + level->author[MAX_LEVEL_AUTHOR_LEN] = 0; - default: - Error(ERR_WARN, "invalid level element %d", element); - return EL_UNKNOWN; - } + return chunk_size; } -static int map_em_element_field(int element) +static int LoadLevel_BODY(FILE *file, int chunk_size, struct LevelInfo *level) { - if (element >= 0xc8 && element <= 0xe1) - return EL_CHAR_A + (element - 0xc8); - else if (element >= 0xe2 && element <= 0xeb) - return EL_CHAR_0 + (element - 0xe2); + int x, y; + int chunk_size_expected = level->fieldx * level->fieldy; - switch (element) + /* Note: "chunk_size" was wrong before version 2.0 when elements are + stored with 16-bit encoding (and should be twice as big then). + Even worse, playfield data was stored 16-bit when only yamyam content + contained 16-bit elements and vice versa. */ + + if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0) + chunk_size_expected *= 2; + + if (chunk_size_expected != chunk_size) { - case 0x00: return EL_ROCK; - case 0x01: return EL_ROCK; /* EMC */ - case 0x02: return EL_DIAMOND; - case 0x03: return EL_DIAMOND; - case 0x04: return EL_ROBOT; - case 0x05: return EL_ROBOT; /* EMC */ - case 0x06: return EL_EMPTY_SPACE; /* EMC */ - case 0x07: return EL_EMPTY_SPACE; /* EMC */ - case 0x08: return EL_SPACESHIP_UP; - case 0x09: return EL_SPACESHIP_RIGHT; - case 0x0a: return EL_SPACESHIP_DOWN; - case 0x0b: return EL_SPACESHIP_LEFT; - case 0x0c: return EL_SPACESHIP_UP; - case 0x0d: return EL_SPACESHIP_RIGHT; - case 0x0e: return EL_SPACESHIP_DOWN; - case 0x0f: return EL_SPACESHIP_LEFT; + ReadUnusedBytesFromFile(file, chunk_size); + return chunk_size_expected; + } - case 0x10: return EL_BOMB; - case 0x11: return EL_BOMB; /* EMC */ - case 0x12: return EL_EMERALD; - case 0x13: return EL_EMERALD; - case 0x14: return EL_BUG_UP; - case 0x15: return EL_BUG_RIGHT; - case 0x16: return EL_BUG_DOWN; - case 0x17: return EL_BUG_LEFT; - case 0x18: return EL_BUG_UP; - case 0x19: return EL_BUG_RIGHT; - case 0x1a: return EL_BUG_DOWN; - case 0x1b: return EL_BUG_LEFT; - case 0x1c: return EL_AMOEBA_DROP; - case 0x1d: return EL_AMOEBA_DROP; /* EMC */ - case 0x1e: return EL_AMOEBA_DROP; /* EMC */ - case 0x1f: return EL_AMOEBA_DROP; /* EMC */ + for (y = 0; y < level->fieldy; y++) + for (x = 0; x < level->fieldx; x++) + level->field[x][y] = + getMappedElement(level->encoding_16bit_field ? getFile16BitBE(file) : + getFile8Bit(file)); + return chunk_size; +} - case 0x20: return EL_ROCK; - case 0x21: return EL_BOMB; /* EMC */ - case 0x22: return EL_DIAMOND; /* EMC */ - case 0x23: return EL_EMERALD; /* EMC */ - case 0x24: return EL_MAGIC_WALL; - case 0x25: return EL_NUT; - case 0x26: return EL_NUT; /* EMC */ - case 0x27: return EL_NUT; /* EMC */ +static int LoadLevel_CONT(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int i, x, y; + int header_size = 4; + int content_size = MAX_ELEMENT_CONTENTS * 3 * 3; + int chunk_size_expected = header_size + content_size; - /* looks like magic wheel, but is _always_ activated */ - case 0x28: return EL_ROBOT_WHEEL; /* EMC */ + /* Note: "chunk_size" was wrong before version 2.0 when elements are + stored with 16-bit encoding (and should be twice as big then). + Even worse, playfield data was stored 16-bit when only yamyam content + contained 16-bit elements and vice versa. */ - case 0x29: return EL_YAMYAM; /* up */ - case 0x2a: return EL_YAMYAM; /* down */ - case 0x2b: return EL_YAMYAM; /* left */ /* EMC */ - case 0x2c: return EL_YAMYAM; /* right */ /* EMC */ - case 0x2d: return EL_QUICKSAND_FULL; - case 0x2e: return EL_EMPTY_SPACE; /* EMC */ - case 0x2f: return EL_EMPTY_SPACE; /* EMC */ + if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0) + chunk_size_expected += content_size; - case 0x30: return EL_EMPTY_SPACE; /* EMC */ - case 0x31: return EL_SAND; /* EMC */ - case 0x32: return EL_SAND; /* EMC */ - case 0x33: return EL_SAND; /* EMC */ - case 0x34: return EL_QUICKSAND_FULL; /* EMC */ - case 0x35: return EL_QUICKSAND_FULL; /* EMC */ - case 0x36: return EL_QUICKSAND_FULL; /* EMC */ - case 0x37: return EL_SAND; /* EMC */ - case 0x38: return EL_ROCK; /* EMC */ - case 0x39: return EL_EXPANDABLE_WALL_HORIZONTAL; /* EMC */ - case 0x3a: return EL_EXPANDABLE_WALL_VERTICAL; /* EMC */ - case 0x3b: return EL_DYNAMITE_ACTIVE; /* 1 */ - case 0x3c: return EL_DYNAMITE_ACTIVE; /* 2 */ - case 0x3d: return EL_DYNAMITE_ACTIVE; /* 3 */ - case 0x3e: return EL_DYNAMITE_ACTIVE; /* 4 */ - case 0x3f: return EL_ACID_POOL_BOTTOM; + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size); + return chunk_size_expected; + } - case 0x40: return EL_EXIT_OPEN; /* 1 */ - case 0x41: return EL_EXIT_OPEN; /* 2 */ - case 0x42: return EL_EXIT_OPEN; /* 3 */ - case 0x43: return EL_BALLOON; /* EMC */ - case 0x44: return EL_UNKNOWN; /* EMC ("plant") */ - case 0x45: return EL_SPRING; /* EMC */ - case 0x46: return EL_SPRING; /* falling */ /* EMC */ - case 0x47: return EL_SPRING; /* left */ /* EMC */ - case 0x48: return EL_SPRING; /* right */ /* EMC */ - case 0x49: return EL_UNKNOWN; /* EMC ("ball 1") */ - case 0x4a: return EL_UNKNOWN; /* EMC ("ball 2") */ - case 0x4b: return EL_UNKNOWN; /* EMC ("android") */ - case 0x4c: return EL_EMPTY_SPACE; /* EMC */ - case 0x4d: return EL_UNKNOWN; /* EMC ("android") */ - case 0x4e: return EL_INVISIBLE_WALL; /* EMC (? "android") */ - case 0x4f: return EL_UNKNOWN; /* EMC ("android") */ + getFile8Bit(file); + level->num_yamyam_contents = getFile8Bit(file); + getFile8Bit(file); + getFile8Bit(file); - case 0x50: return EL_UNKNOWN; /* EMC ("android") */ - case 0x51: return EL_UNKNOWN; /* EMC ("android") */ - case 0x52: return EL_UNKNOWN; /* EMC ("android") */ - case 0x53: return EL_UNKNOWN; /* EMC ("android") */ - case 0x54: return EL_UNKNOWN; /* EMC ("android") */ - case 0x55: return EL_EMPTY_SPACE; /* EMC */ - case 0x56: return EL_EMPTY_SPACE; /* EMC */ - case 0x57: return EL_EMPTY_SPACE; /* EMC */ - case 0x58: return EL_EMPTY_SPACE; /* EMC */ - case 0x59: return EL_EMPTY_SPACE; /* EMC */ - case 0x5a: return EL_EMPTY_SPACE; /* EMC */ - case 0x5b: return EL_EMPTY_SPACE; /* EMC */ - case 0x5c: return EL_EMPTY_SPACE; /* EMC */ - case 0x5d: return EL_EMPTY_SPACE; /* EMC */ - case 0x5e: return EL_EMPTY_SPACE; /* EMC */ - case 0x5f: return EL_EMPTY_SPACE; /* EMC */ + /* correct invalid number of content fields -- should never happen */ + if (level->num_yamyam_contents < 1 || + level->num_yamyam_contents > MAX_ELEMENT_CONTENTS) + level->num_yamyam_contents = STD_ELEMENT_CONTENTS; - case 0x60: return EL_EMPTY_SPACE; /* EMC */ - case 0x61: return EL_EMPTY_SPACE; /* EMC */ - case 0x62: return EL_EMPTY_SPACE; /* EMC */ - case 0x63: return EL_SPRING; /* left */ /* EMC */ - case 0x64: return EL_SPRING; /* right */ /* EMC */ - case 0x65: return EL_ACID; /* 1 */ /* EMC */ - case 0x66: return EL_ACID; /* 2 */ /* EMC */ - case 0x67: return EL_ACID; /* 3 */ /* EMC */ - case 0x68: return EL_ACID; /* 4 */ /* EMC */ - case 0x69: return EL_ACID; /* 5 */ /* EMC */ - case 0x6a: return EL_ACID; /* 6 */ /* EMC */ - case 0x6b: return EL_ACID; /* 7 */ /* EMC */ - case 0x6c: return EL_ACID; /* 8 */ /* EMC */ - case 0x6d: return EL_EMPTY_SPACE; /* EMC */ - case 0x6e: return EL_EMPTY_SPACE; /* EMC */ - case 0x6f: return EL_EMPTY_SPACE; /* EMC */ + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i].e[x][y] = + getMappedElement(level->encoding_16bit_field ? + getFile16BitBE(file) : getFile8Bit(file)); + return chunk_size; +} - case 0x70: return EL_EMPTY_SPACE; /* EMC */ - case 0x71: return EL_EMPTY_SPACE; /* EMC */ - case 0x72: return EL_NUT; /* left */ /* EMC */ - case 0x73: return EL_SAND; /* EMC (? "nut") */ - case 0x74: return EL_STEELWALL; - case 0x75: return EL_EMPTY_SPACE; /* EMC */ - case 0x76: return EL_EMPTY_SPACE; /* EMC */ - case 0x77: return EL_BOMB; /* left */ /* EMC */ - case 0x78: return EL_BOMB; /* right */ /* EMC */ - case 0x79: return EL_ROCK; /* left */ /* EMC */ - case 0x7a: return EL_ROCK; /* right */ /* EMC */ - case 0x7b: return EL_ACID; /* (? EMC "blank") */ - case 0x7c: return EL_EMPTY_SPACE; /* EMC */ - case 0x7d: return EL_EMPTY_SPACE; /* EMC */ - case 0x7e: return EL_EMPTY_SPACE; /* EMC */ - case 0x7f: return EL_EMPTY_SPACE; /* EMC */ +static int LoadLevel_CNT2(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int i, x, y; + int element; + int num_contents; +#if 0 + int content_xsize, content_ysize; +#endif + int content_array[MAX_ELEMENT_CONTENTS][3][3]; - case 0x80: return EL_EMPTY; - case 0x81: return EL_WALL_SLIPPERY; - case 0x82: return EL_SAND; - case 0x83: return EL_STEELWALL; - case 0x84: return EL_WALL; - case 0x85: return EL_EM_KEY_1; - case 0x86: return EL_EM_KEY_2; - case 0x87: return EL_EM_KEY_4; - case 0x88: return EL_EM_KEY_3; - case 0x89: return EL_EM_GATE_1; - case 0x8a: return EL_EM_GATE_2; - case 0x8b: return EL_EM_GATE_4; - case 0x8c: return EL_EM_GATE_3; - case 0x8d: return EL_INVISIBLE_WALL; /* EMC (? "dripper") */ - case 0x8e: return EL_EM_GATE_1_GRAY; - case 0x8f: return EL_EM_GATE_2_GRAY; + element = getMappedElement(getFile16BitBE(file)); + num_contents = getFile8Bit(file); +#if 1 + getFile8Bit(file); /* content x size (unused) */ + getFile8Bit(file); /* content y size (unused) */ +#else + content_xsize = getFile8Bit(file); + content_ysize = getFile8Bit(file); +#endif - case 0x90: return EL_EM_GATE_4_GRAY; - case 0x91: return EL_EM_GATE_3_GRAY; - case 0x92: return EL_MAGIC_WALL; - case 0x93: return EL_ROBOT_WHEEL; - case 0x94: return EL_QUICKSAND_EMPTY; /* (? EMC "sand") */ - case 0x95: return EL_ACID_POOL_TOPLEFT; - case 0x96: return EL_ACID_POOL_TOPRIGHT; - case 0x97: return EL_ACID_POOL_BOTTOMLEFT; - case 0x98: return EL_ACID_POOL_BOTTOMRIGHT; - case 0x99: return EL_ACID; /* (? EMC "fake blank") */ - case 0x9a: return EL_AMOEBA_DEAD; /* 1 */ - case 0x9b: return EL_AMOEBA_DEAD; /* 2 */ - case 0x9c: return EL_AMOEBA_DEAD; /* 3 */ - case 0x9d: return EL_AMOEBA_DEAD; /* 4 */ - case 0x9e: return EL_EXIT_CLOSED; - case 0x9f: return EL_CHAR_LESS; /* arrow left */ + ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED); - /* looks like normal sand, but behaves like wall */ - case 0xa0: return EL_UNKNOWN; /* EMC ("fake grass") */ - case 0xa1: return EL_UNKNOWN; /* EMC ("lenses") */ - case 0xa2: return EL_UNKNOWN; /* EMC ("magnify") */ - case 0xa3: return EL_UNKNOWN; /* EMC ("fake blank") */ - case 0xa4: return EL_UNKNOWN; /* EMC ("fake grass") */ - case 0xa5: return EL_UNKNOWN; /* EMC ("switch") */ - case 0xa6: return EL_UNKNOWN; /* EMC ("switch") */ - case 0xa7: return EL_EMPTY_SPACE; /* EMC */ - case 0xa8: return EL_EMC_WALL_1; /* EMC ("decor 8") */ - case 0xa9: return EL_EMC_WALL_2; /* EMC ("decor 9") */ - case 0xaa: return EL_EMC_WALL_3; /* EMC ("decor 10") */ - case 0xab: return EL_EMC_WALL_7; /* EMC ("decor 5") */ - case 0xac: return EL_CHAR_COMMA; /* EMC */ - case 0xad: return EL_CHAR_QUOTEDBL; /* EMC */ - case 0xae: return EL_CHAR_MINUS; /* EMC */ - case 0xaf: return EL_DYNAMITE; + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + content_array[i][x][y] = getMappedElement(getFile16BitBE(file)); - case 0xb0: return EL_EMC_STEELWALL_1; /* EMC ("steel 3") */ - case 0xb1: return EL_EMC_WALL_8; /* EMC ("decor 6") */ - case 0xb2: return EL_UNKNOWN; /* EMC ("decor 7") */ - case 0xb3: return EL_STEELWALL; /* 2 */ /* EMC */ - case 0xb4: return EL_WALL_SLIPPERY; /* 2 */ /* EMC */ - case 0xb5: return EL_EMC_WALL_6; /* EMC ("decor 2") */ - case 0xb6: return EL_EMC_WALL_5; /* EMC ("decor 4") */ - case 0xb7: return EL_EMC_WALL_4; /* EMC ("decor 3") */ - case 0xb8: return EL_BALLOON_SWITCH_ANY; /* EMC */ - case 0xb9: return EL_BALLOON_SWITCH_RIGHT; /* EMC */ - case 0xba: return EL_BALLOON_SWITCH_DOWN; /* EMC */ - case 0xbb: return EL_BALLOON_SWITCH_LEFT; /* EMC */ - case 0xbc: return EL_BALLOON_SWITCH_UP; /* EMC */ - case 0xbd: return EL_SAND; /* EMC ("dirt") */ - case 0xbe: return EL_UNKNOWN; /* EMC ("plant") */ - case 0xbf: return EL_UNKNOWN; /* EMC ("key 5") */ + /* correct invalid number of content fields -- should never happen */ + if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS) + num_contents = STD_ELEMENT_CONTENTS; - case 0xc0: return EL_UNKNOWN; /* EMC ("key 6") */ - case 0xc1: return EL_UNKNOWN; /* EMC ("key 7") */ - case 0xc2: return EL_UNKNOWN; /* EMC ("key 8") */ - case 0xc3: return EL_UNKNOWN; /* EMC ("door 5") */ - case 0xc4: return EL_UNKNOWN; /* EMC ("door 6") */ - case 0xc5: return EL_UNKNOWN; /* EMC ("door 7") */ - case 0xc6: return EL_UNKNOWN; /* EMC ("door 8") */ - case 0xc7: return EL_UNKNOWN; /* EMC ("bumper") */ + if (element == EL_YAMYAM) + { + level->num_yamyam_contents = num_contents; - /* characters: see above */ + for (i = 0; i < num_contents; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i].e[x][y] = content_array[i][x][y]; + } + else if (element == EL_BD_AMOEBA) + { + level->amoeba_content = content_array[0][0][0]; + } + else + { + Error(ERR_WARN, "cannot load content for element '%d'", element); + } - case 0xec: return EL_CHAR_PERIOD; - case 0xed: return EL_CHAR_EXCLAM; - case 0xee: return EL_CHAR_COLON; - case 0xef: return EL_CHAR_QUESTION; + return chunk_size; +} - case 0xf0: return EL_CHAR_GREATER; /* arrow right */ - case 0xf1: return EL_CHAR_COPYRIGHT; /* EMC: "decor 1" */ - case 0xf2: return EL_UNKNOWN; /* EMC ("fake door 5") */ - case 0xf3: return EL_UNKNOWN; /* EMC ("fake door 6") */ - case 0xf4: return EL_UNKNOWN; /* EMC ("fake door 7") */ - case 0xf5: return EL_UNKNOWN; /* EMC ("fake door 8") */ - case 0xf6: return EL_EMPTY_SPACE; /* EMC */ - case 0xf7: return EL_EMPTY_SPACE; /* EMC */ +static int LoadLevel_CNT3(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int i; + int element; + int envelope_nr; + int envelope_len; + int chunk_size_expected; - case 0xf8: return EL_EMPTY_SPACE; /* EMC */ - case 0xf9: return EL_EMPTY_SPACE; /* EMC */ - case 0xfa: return EL_EMPTY_SPACE; /* EMC */ - case 0xfb: return EL_EMPTY_SPACE; /* EMC */ - case 0xfc: return EL_EMPTY_SPACE; /* EMC */ - case 0xfd: return EL_EMPTY_SPACE; /* EMC */ + element = getMappedElement(getFile16BitBE(file)); + if (!IS_ENVELOPE(element)) + element = EL_ENVELOPE_1; - case 0xfe: return EL_PLAYER_1; /* EMC: "blank" */ - case 0xff: return EL_PLAYER_2; /* EMC: "blank" */ + envelope_nr = element - EL_ENVELOPE_1; - default: - /* should never happen (all 8-bit value cases should be handled) */ - Error(ERR_WARN, "invalid level element %d", element); - return EL_UNKNOWN; + envelope_len = getFile16BitBE(file); + + level->envelope[envelope_nr].xsize = getFile8Bit(file); + level->envelope[envelope_nr].ysize = getFile8Bit(file); + + ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED); + + chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len); + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER); + return chunk_size_expected; } + + for (i = 0; i < envelope_len; i++) + level->envelope[envelope_nr].text[i] = getFile8Bit(file); + + return chunk_size; } -#define EM_LEVEL_SIZE 2106 -#define EM_LEVEL_XSIZE 64 -#define EM_LEVEL_YSIZE 32 +static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int num_changed_custom_elements = getFile16BitBE(file); + int chunk_size_expected = 2 + num_changed_custom_elements * 6; + int i; -static void OLD_LoadLevelFromFileInfo_EM(struct LevelInfo *level, - struct LevelFileInfo *level_file_info) + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size - 2); + return chunk_size_expected; + } + + for (i = 0; i < num_changed_custom_elements; i++) + { + int element = getMappedElement(getFile16BitBE(file)); + int properties = getFile32BitBE(file); + + if (IS_CUSTOM_ELEMENT(element)) + element_info[element].properties[EP_BITFIELD_BASE_NR] = properties; + else + Error(ERR_WARN, "invalid custom element number %d", element); + + /* older game versions that wrote level files with CUS1 chunks used + different default push delay values (not yet stored in level file) */ + element_info[element].push_delay_fixed = 2; + element_info[element].push_delay_random = 8; + } + + return chunk_size; +} + +static int LoadLevel_CUS2(FILE *file, int chunk_size, struct LevelInfo *level) { - char *filename = level_file_info->filename; - FILE *file; - unsigned char leveldata[EM_LEVEL_SIZE]; - unsigned char *header = &leveldata[EM_LEVEL_XSIZE * EM_LEVEL_YSIZE]; + int num_changed_custom_elements = getFile16BitBE(file); + int chunk_size_expected = 2 + num_changed_custom_elements * 4; + int i; + + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size - 2); + return chunk_size_expected; + } + + for (i = 0; i < num_changed_custom_elements; i++) + { + int element = getMappedElement(getFile16BitBE(file)); + int custom_target_element = getMappedElement(getFile16BitBE(file)); + + if (IS_CUSTOM_ELEMENT(element)) + element_info[element].change->target_element = custom_target_element; + else + Error(ERR_WARN, "invalid custom element number %d", element); + } + + return chunk_size; +} + +static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int num_changed_custom_elements = getFile16BitBE(file); + int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements); + int i, j, x, y; + + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size - 2); + return chunk_size_expected; + } + + for (i = 0; i < num_changed_custom_elements; i++) + { + int element = getMappedElement(getFile16BitBE(file)); + struct ElementInfo *ei = &element_info[element]; + unsigned int event_bits; + + if (!IS_CUSTOM_ELEMENT(element)) + { + Error(ERR_WARN, "invalid custom element number %d", element); + + element = EL_INTERNAL_DUMMY; + } + + for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++) + ei->description[j] = getFile8Bit(file); + ei->description[MAX_ELEMENT_NAME_LEN] = 0; + + ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file); + + /* some free bytes for future properties and padding */ + ReadUnusedBytesFromFile(file, 7); + + ei->use_gfx_element = getFile8Bit(file); + ei->gfx_element_initial = getMappedElement(getFile16BitBE(file)); + + ei->collect_score_initial = getFile8Bit(file); + ei->collect_count_initial = getFile8Bit(file); + + ei->push_delay_fixed = getFile16BitBE(file); + ei->push_delay_random = getFile16BitBE(file); + ei->move_delay_fixed = getFile16BitBE(file); + ei->move_delay_random = getFile16BitBE(file); + + ei->move_pattern = getFile16BitBE(file); + ei->move_direction_initial = getFile8Bit(file); + ei->move_stepsize = getFile8Bit(file); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + ei->content.e[x][y] = getMappedElement(getFile16BitBE(file)); + + event_bits = getFile32BitBE(file); + for (j = 0; j < NUM_CHANGE_EVENTS; j++) + if (event_bits & (1 << j)) + ei->change->has_event[j] = TRUE; + + ei->change->target_element = getMappedElement(getFile16BitBE(file)); + + ei->change->delay_fixed = getFile16BitBE(file); + ei->change->delay_random = getFile16BitBE(file); + ei->change->delay_frames = getFile16BitBE(file); + + ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file)); + + ei->change->explode = getFile8Bit(file); + ei->change->use_target_content = getFile8Bit(file); + ei->change->only_if_complete = getFile8Bit(file); + ei->change->use_random_replace = getFile8Bit(file); + + ei->change->random_percentage = getFile8Bit(file); + ei->change->replace_when = getFile8Bit(file); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + ei->change->target_content.e[x][y] = + getMappedElement(getFile16BitBE(file)); + + ei->slippery_type = getFile8Bit(file); + + /* some free bytes for future properties and padding */ + ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED); + + /* mark that this custom element has been modified */ + ei->modified_settings = TRUE; + } + + return chunk_size; +} + +static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level) +{ + struct ElementInfo *ei; + int chunk_size_expected; + int element; + int i, j, x, y; + + /* ---------- custom element base property values (96 bytes) ------------- */ + + element = getMappedElement(getFile16BitBE(file)); + + if (!IS_CUSTOM_ELEMENT(element)) + { + Error(ERR_WARN, "invalid custom element number %d", element); + + ReadUnusedBytesFromFile(file, chunk_size - 2); + return chunk_size; + } + + ei = &element_info[element]; + + for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++) + ei->description[i] = getFile8Bit(file); + ei->description[MAX_ELEMENT_NAME_LEN] = 0; + + ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file); + + ReadUnusedBytesFromFile(file, 4); /* reserved for more base properties */ + + ei->num_change_pages = getFile8Bit(file); + + chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages); + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size - 43); + return chunk_size_expected; + } + + ei->ce_value_fixed_initial = getFile16BitBE(file); + ei->ce_value_random_initial = getFile16BitBE(file); + ei->use_last_ce_value = getFile8Bit(file); + + ei->use_gfx_element = getFile8Bit(file); + ei->gfx_element_initial = getMappedElement(getFile16BitBE(file)); + + ei->collect_score_initial = getFile8Bit(file); + ei->collect_count_initial = getFile8Bit(file); + + ei->drop_delay_fixed = getFile8Bit(file); + ei->push_delay_fixed = getFile8Bit(file); + ei->drop_delay_random = getFile8Bit(file); + ei->push_delay_random = getFile8Bit(file); + ei->move_delay_fixed = getFile16BitBE(file); + ei->move_delay_random = getFile16BitBE(file); + + /* bits 0 - 15 of "move_pattern" ... */ + ei->move_pattern = getFile16BitBE(file); + ei->move_direction_initial = getFile8Bit(file); + ei->move_stepsize = getFile8Bit(file); + + ei->slippery_type = getFile8Bit(file); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + ei->content.e[x][y] = getMappedElement(getFile16BitBE(file)); + + ei->move_enter_element = getMappedElement(getFile16BitBE(file)); + ei->move_leave_element = getMappedElement(getFile16BitBE(file)); + ei->move_leave_type = getFile8Bit(file); + + /* ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible) */ + ei->move_pattern |= (getFile16BitBE(file) << 16); + + ei->access_direction = getFile8Bit(file); + + ei->explosion_delay = getFile8Bit(file); + ei->ignition_delay = getFile8Bit(file); + ei->explosion_type = getFile8Bit(file); + + /* some free bytes for future custom property values and padding */ + ReadUnusedBytesFromFile(file, 1); + + /* ---------- change page property values (48 bytes) --------------------- */ + + setElementChangePages(ei, ei->num_change_pages); + + for (i = 0; i < ei->num_change_pages; i++) + { + struct ElementChangeInfo *change = &ei->change_page[i]; + unsigned int event_bits; + + /* always start with reliable default values */ + setElementChangeInfoToDefaults(change); + + /* bits 0 - 31 of "has_event[]" ... */ + event_bits = getFile32BitBE(file); + for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++) + if (event_bits & (1 << j)) + change->has_event[j] = TRUE; + + change->target_element = getMappedElement(getFile16BitBE(file)); + + change->delay_fixed = getFile16BitBE(file); + change->delay_random = getFile16BitBE(file); + change->delay_frames = getFile16BitBE(file); + + change->initial_trigger_element = getMappedElement(getFile16BitBE(file)); + + change->explode = getFile8Bit(file); + change->use_target_content = getFile8Bit(file); + change->only_if_complete = getFile8Bit(file); + change->use_random_replace = getFile8Bit(file); + + change->random_percentage = getFile8Bit(file); + change->replace_when = getFile8Bit(file); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + change->target_content.e[x][y]= getMappedElement(getFile16BitBE(file)); + + change->can_change = getFile8Bit(file); + + change->trigger_side = getFile8Bit(file); + + change->trigger_player = getFile8Bit(file); + change->trigger_page = getFile8Bit(file); + + change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ? + CH_PAGE_ANY : (1 << change->trigger_page)); + + change->has_action = getFile8Bit(file); + change->action_type = getFile8Bit(file); + change->action_mode = getFile8Bit(file); + change->action_arg = getFile16BitBE(file); + + /* ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible) */ + event_bits = getFile8Bit(file); + for (j = 32; j < NUM_CHANGE_EVENTS; j++) + if (event_bits & (1 << (j - 32))) + change->has_event[j] = TRUE; + } + + /* mark this custom element as modified */ + ei->modified_settings = TRUE; + + return chunk_size; +} + +static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level) +{ + struct ElementInfo *ei; + struct ElementGroupInfo *group; + int element; + int i; + + element = getMappedElement(getFile16BitBE(file)); + + if (!IS_GROUP_ELEMENT(element)) + { + Error(ERR_WARN, "invalid group element number %d", element); + + ReadUnusedBytesFromFile(file, chunk_size - 2); + return chunk_size; + } + + ei = &element_info[element]; + + for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++) + ei->description[i] = getFile8Bit(file); + ei->description[MAX_ELEMENT_NAME_LEN] = 0; + + group = element_info[element].group; + + group->num_elements = getFile8Bit(file); + + ei->use_gfx_element = getFile8Bit(file); + ei->gfx_element_initial = getMappedElement(getFile16BitBE(file)); + + group->choice_mode = getFile8Bit(file); + + /* some free bytes for future values and padding */ + ReadUnusedBytesFromFile(file, 3); + + for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++) + group->element[i] = getMappedElement(getFile16BitBE(file)); + + /* mark this group element as modified */ + element_info[element].modified_settings = TRUE; + + return chunk_size; +} + +static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf, + int element, int real_element) +{ + int micro_chunk_size = 0; + int conf_type = getFile8Bit(file); + int byte_mask = conf_type & CONF_MASK_BYTES; + boolean element_found = FALSE; + int i; + + micro_chunk_size += 1; + + if (byte_mask == CONF_MASK_MULTI_BYTES) + { + int num_bytes = getFile16BitBE(file); + byte *buffer = checked_malloc(num_bytes); + + ReadBytesFromFile(file, buffer, num_bytes); + + for (i = 0; conf[i].data_type != -1; i++) + { + if (conf[i].element == element && + conf[i].conf_type == conf_type) + { + int data_type = conf[i].data_type; + int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type); + int max_num_entities = conf[i].max_num_entities; + + if (num_entities > max_num_entities) + { + Error(ERR_WARN, + "truncating number of entities for element %d from %d to %d", + element, num_entities, max_num_entities); + + num_entities = max_num_entities; + } + + if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST || + data_type == TYPE_CONTENT_LIST)) + { + /* for element and content lists, zero entities are not allowed */ + Error(ERR_WARN, "found empty list of entities for element %d", + element); + + /* do not set "num_entities" here to prevent reading behind buffer */ + + *(int *)(conf[i].num_entities) = 1; /* at least one is required */ + } + else + { + *(int *)(conf[i].num_entities) = num_entities; + } + + element_found = TRUE; + + if (data_type == TYPE_STRING) + { + char *string = (char *)(conf[i].value); + int j; + + for (j = 0; j < max_num_entities; j++) + string[j] = (j < num_entities ? buffer[j] : '\0'); + } + else if (data_type == TYPE_ELEMENT_LIST) + { + int *element_array = (int *)(conf[i].value); + int j; + + for (j = 0; j < num_entities; j++) + element_array[j] = + getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j)); + } + else if (data_type == TYPE_CONTENT_LIST) + { + struct Content *content= (struct Content *)(conf[i].value); + int c, x, y; + + for (c = 0; c < num_entities; c++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + content[c].e[x][y] = + getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y)); + } + else + element_found = FALSE; + + break; + } + } + + checked_free(buffer); + + micro_chunk_size += 2 + num_bytes; + } + else /* constant size configuration data (1, 2 or 4 bytes) */ + { + int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit (file) : + byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) : + byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0); + + for (i = 0; conf[i].data_type != -1; i++) + { + if (conf[i].element == element && + conf[i].conf_type == conf_type) + { + int data_type = conf[i].data_type; + + if (data_type == TYPE_ELEMENT) + value = getMappedElement(value); + + if (data_type == TYPE_BOOLEAN) + *(boolean *)(conf[i].value) = value; + else + *(int *) (conf[i].value) = value; + + element_found = TRUE; + + break; + } + } + + micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask); + } + + if (!element_found) + { + char *error_conf_chunk_bytes = + (byte_mask == CONF_MASK_1_BYTE ? "CONF_VALUE_8_BIT" : + byte_mask == CONF_MASK_2_BYTE ? "CONF_VALUE_16_BIT" : + byte_mask == CONF_MASK_4_BYTE ? "CONF_VALUE_32_BIT" :"CONF_VALUE_BYTES"); + int error_conf_chunk_token = conf_type & CONF_MASK_TOKEN; + int error_element = real_element; + + Error(ERR_WARN, "cannot load micro chunk '%s(%d)' value for element %d ['%s']", + error_conf_chunk_bytes, error_conf_chunk_token, + error_element, EL_NAME(error_element)); + } + + return micro_chunk_size; +} + +static int LoadLevel_INFO(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int real_chunk_size = 0; + + li = *level; /* copy level data into temporary buffer */ + + while (!feof(file)) + { + real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1); + + if (real_chunk_size >= chunk_size) + break; + } + + *level = li; /* copy temporary buffer back to level data */ + + return real_chunk_size; +} + +static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int real_chunk_size = 0; + + li = *level; /* copy level data into temporary buffer */ + + while (!feof(file)) + { + int element = getMappedElement(getFile16BitBE(file)); + + real_chunk_size += 2; + real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF, + element, element); + if (real_chunk_size >= chunk_size) + break; + } + + *level = li; /* copy temporary buffer back to level data */ + + return real_chunk_size; +} + +static int LoadLevel_ELEM(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int real_chunk_size = 0; + + li = *level; /* copy level data into temporary buffer */ + + while (!feof(file)) + { + int element = getMappedElement(getFile16BitBE(file)); + + real_chunk_size += 2; + real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM, + element, element); + if (real_chunk_size >= chunk_size) + break; + } + + *level = li; /* copy temporary buffer back to level data */ + + return real_chunk_size; +} + +static int LoadLevel_NOTE(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int element = getMappedElement(getFile16BitBE(file)); + int envelope_nr = element - EL_ENVELOPE_1; + int real_chunk_size = 2; + + while (!feof(file)) + { + real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE, + -1, element); + + if (real_chunk_size >= chunk_size) + break; + } + + level->envelope[envelope_nr] = xx_envelope; + + return real_chunk_size; +} + +static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int element = getMappedElement(getFile16BitBE(file)); + int real_chunk_size = 2; + struct ElementInfo *ei = &element_info[element]; + int i; + + xx_ei = *ei; /* copy element data into temporary buffer */ + + xx_ei.num_change_pages = -1; + + while (!feof(file)) + { + real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base, + -1, element); + if (xx_ei.num_change_pages != -1) + break; + + if (real_chunk_size >= chunk_size) + break; + } + + *ei = xx_ei; + + if (ei->num_change_pages == -1) + { + Error(ERR_WARN, "LoadLevel_CUSX(): missing 'num_change_pages' for '%s'", + EL_NAME(element)); + + ei->num_change_pages = 1; + + setElementChangePages(ei, 1); + setElementChangeInfoToDefaults(ei->change); + + return real_chunk_size; + } + + /* initialize number of change pages stored for this custom element */ + setElementChangePages(ei, ei->num_change_pages); + for (i = 0; i < ei->num_change_pages; i++) + setElementChangeInfoToDefaults(&ei->change_page[i]); + + /* start with reading properties for the first change page */ + xx_current_change_page = 0; + + while (!feof(file)) + { + struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page]; + + xx_change = *change; /* copy change data into temporary buffer */ + + resetEventBits(); /* reset bits; change page might have changed */ + + real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_change, + -1, element); + + *change = xx_change; + + setEventFlagsFromEventBits(change); + + if (real_chunk_size >= chunk_size) + break; + } + + return real_chunk_size; +} + +static int LoadLevel_GRPX(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int element = getMappedElement(getFile16BitBE(file)); + int real_chunk_size = 2; + struct ElementInfo *ei = &element_info[element]; + struct ElementGroupInfo *group = ei->group; + + xx_ei = *ei; /* copy element data into temporary buffer */ + xx_group = *group; /* copy group data into temporary buffer */ + + while (!feof(file)) + { + real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX, + -1, element); + + if (real_chunk_size >= chunk_size) + break; + } + + *ei = xx_ei; + *group = xx_group; + + return real_chunk_size; +} + +#endif + +#if 1 + +static void LoadLevelFromFileInfo_RND(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + char *filename = level_file_info->filename; + char cookie[MAX_LINE_LEN]; + char chunk_name[CHUNK_ID_LEN + 1]; + int chunk_size; + File *file; + + if (!(file = openFile(filename, MODE_READ))) + { + level->no_valid_file = TRUE; + +#if 1 + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); +#else + if (level != &level_template) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); +#endif + + return; + } + + getFileChunkBE(file, chunk_name, NULL); + if (strEqual(chunk_name, "RND1")) + { + getFile32BitBE(file); /* not used */ + + getFileChunkBE(file, chunk_name, NULL); + if (!strEqual(chunk_name, "CAVE")) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of level file '%s'", filename); + + closeFile(file); + + return; + } + } + else /* check for pre-2.0 file format with cookie string */ + { + strcpy(cookie, chunk_name); + if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL) + cookie[4] = '\0'; + if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n') + cookie[strlen(cookie) - 1] = '\0'; + + if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL)) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of level file '%s'", filename); + + closeFile(file); + + return; + } + + if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "unsupported version of level file '%s'", filename); + + closeFile(file); + + return; + } + + /* pre-2.0 level files have no game version, so use file version here */ + level->game_version = level->file_version; + } + + if (level->file_version < FILE_VERSION_1_2) + { + /* level files from versions before 1.2.0 without chunk structure */ + LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level); + LoadLevel_BODY(file, level->fieldx * level->fieldy, level); + } + else + { + static struct + { + char *name; + int size; + int (*loader)(File *, int, struct LevelInfo *); + } + chunk_info[] = + { + { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS }, + { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE }, + { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD }, + { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME }, + { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH }, + { "INFO", -1, LoadLevel_INFO }, + { "BODY", -1, LoadLevel_BODY }, + { "CONT", -1, LoadLevel_CONT }, + { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 }, + { "CNT3", -1, LoadLevel_CNT3 }, + { "CUS1", -1, LoadLevel_CUS1 }, + { "CUS2", -1, LoadLevel_CUS2 }, + { "CUS3", -1, LoadLevel_CUS3 }, + { "CUS4", -1, LoadLevel_CUS4 }, + { "GRP1", -1, LoadLevel_GRP1 }, + { "CONF", -1, LoadLevel_CONF }, + { "ELEM", -1, LoadLevel_ELEM }, + { "NOTE", -1, LoadLevel_NOTE }, + { "CUSX", -1, LoadLevel_CUSX }, + { "GRPX", -1, LoadLevel_GRPX }, + + { NULL, 0, NULL } + }; + + while (getFileChunkBE(file, chunk_name, &chunk_size)) + { + int i = 0; + + while (chunk_info[i].name != NULL && + !strEqual(chunk_name, chunk_info[i].name)) + i++; + + if (chunk_info[i].name == NULL) + { + Error(ERR_WARN, "unknown chunk '%s' in level file '%s'", + chunk_name, filename); + ReadUnusedBytesFromFile(file, chunk_size); + } + else if (chunk_info[i].size != -1 && + chunk_info[i].size != chunk_size) + { + Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'", + chunk_size, chunk_name, filename); + ReadUnusedBytesFromFile(file, chunk_size); + } + else + { + /* call function to load this level chunk */ + int chunk_size_expected = + (chunk_info[i].loader)(file, chunk_size, level); + + /* the size of some chunks cannot be checked before reading other + chunks first (like "HEAD" and "BODY") that contain some header + information, so check them here */ + if (chunk_size_expected != chunk_size) + { + Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'", + chunk_size, chunk_name, filename); + } + } + } + } + + closeFile(file); +} + +#else + +static void LoadLevelFromFileInfo_RND(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + char *filename = level_file_info->filename; + char cookie[MAX_LINE_LEN]; + char chunk_name[CHUNK_ID_LEN + 1]; + int chunk_size; + FILE *file; + + if (!(file = fopen(filename, MODE_READ))) + { + level->no_valid_file = TRUE; + +#if 1 + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); +#else + if (level != &level_template) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); +#endif + + return; + } + + getFileChunkBE(file, chunk_name, NULL); + if (strEqual(chunk_name, "RND1")) + { + getFile32BitBE(file); /* not used */ + + getFileChunkBE(file, chunk_name, NULL); + if (!strEqual(chunk_name, "CAVE")) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of level file '%s'", filename); + fclose(file); + return; + } + } + else /* check for pre-2.0 file format with cookie string */ + { + strcpy(cookie, chunk_name); + if (fgets(&cookie[4], MAX_LINE_LEN - 4, file) == NULL) + cookie[4] = '\0'; + if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n') + cookie[strlen(cookie) - 1] = '\0'; + + if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL)) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of level file '%s'", filename); + fclose(file); + return; + } + + if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "unsupported version of level file '%s'", filename); + fclose(file); + return; + } + + /* pre-2.0 level files have no game version, so use file version here */ + level->game_version = level->file_version; + } + + if (level->file_version < FILE_VERSION_1_2) + { + /* level files from versions before 1.2.0 without chunk structure */ + LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level); + LoadLevel_BODY(file, level->fieldx * level->fieldy, level); + } + else + { + static struct + { + char *name; + int size; + int (*loader)(FILE *, int, struct LevelInfo *); + } + chunk_info[] = + { + { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS }, + { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE }, + { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD }, + { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME }, + { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH }, + { "INFO", -1, LoadLevel_INFO }, + { "BODY", -1, LoadLevel_BODY }, + { "CONT", -1, LoadLevel_CONT }, + { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 }, + { "CNT3", -1, LoadLevel_CNT3 }, + { "CUS1", -1, LoadLevel_CUS1 }, + { "CUS2", -1, LoadLevel_CUS2 }, + { "CUS3", -1, LoadLevel_CUS3 }, + { "CUS4", -1, LoadLevel_CUS4 }, + { "GRP1", -1, LoadLevel_GRP1 }, + { "CONF", -1, LoadLevel_CONF }, + { "ELEM", -1, LoadLevel_ELEM }, + { "NOTE", -1, LoadLevel_NOTE }, + { "CUSX", -1, LoadLevel_CUSX }, + { "GRPX", -1, LoadLevel_GRPX }, + + { NULL, 0, NULL } + }; + + while (getFileChunkBE(file, chunk_name, &chunk_size)) + { + int i = 0; + + while (chunk_info[i].name != NULL && + !strEqual(chunk_name, chunk_info[i].name)) + i++; + + if (chunk_info[i].name == NULL) + { + Error(ERR_WARN, "unknown chunk '%s' in level file '%s'", + chunk_name, filename); + ReadUnusedBytesFromFile(file, chunk_size); + } + else if (chunk_info[i].size != -1 && + chunk_info[i].size != chunk_size) + { + Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'", + chunk_size, chunk_name, filename); + ReadUnusedBytesFromFile(file, chunk_size); + } + else + { + /* call function to load this level chunk */ + int chunk_size_expected = + (chunk_info[i].loader)(file, chunk_size, level); + + /* the size of some chunks cannot be checked before reading other + chunks first (like "HEAD" and "BODY") that contain some header + information, so check them here */ + if (chunk_size_expected != chunk_size) + { + Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'", + chunk_size, chunk_name, filename); + } + } + } + } + + fclose(file); +} + +#endif + + +/* ------------------------------------------------------------------------- */ +/* functions for loading EM level */ +/* ------------------------------------------------------------------------- */ + +#if 0 + +static int map_em_element_yam(int element) +{ + switch (element) + { + case 0x00: return EL_EMPTY; + case 0x01: return EL_EMERALD; + case 0x02: return EL_DIAMOND; + case 0x03: return EL_ROCK; + case 0x04: return EL_ROBOT; + case 0x05: return EL_SPACESHIP_UP; + case 0x06: return EL_BOMB; + case 0x07: return EL_BUG_UP; + case 0x08: return EL_AMOEBA_DROP; + case 0x09: return EL_NUT; + case 0x0a: return EL_YAMYAM; + case 0x0b: return EL_QUICKSAND_FULL; + case 0x0c: return EL_SAND; + case 0x0d: return EL_WALL_SLIPPERY; + case 0x0e: return EL_STEELWALL; + case 0x0f: return EL_WALL; + case 0x10: return EL_EM_KEY_1; + case 0x11: return EL_EM_KEY_2; + case 0x12: return EL_EM_KEY_4; + case 0x13: return EL_EM_KEY_3; + case 0x14: return EL_MAGIC_WALL; + case 0x15: return EL_ROBOT_WHEEL; + case 0x16: return EL_DYNAMITE; + + case 0x17: return EL_EM_KEY_1; /* EMC */ + case 0x18: return EL_BUG_UP; /* EMC */ + case 0x1a: return EL_DIAMOND; /* EMC */ + case 0x1b: return EL_EMERALD; /* EMC */ + case 0x25: return EL_NUT; /* EMC */ + case 0x80: return EL_EMPTY; /* EMC */ + case 0x85: return EL_EM_KEY_1; /* EMC */ + case 0x86: return EL_EM_KEY_2; /* EMC */ + case 0x87: return EL_EM_KEY_4; /* EMC */ + case 0x88: return EL_EM_KEY_3; /* EMC */ + case 0x94: return EL_QUICKSAND_EMPTY; /* EMC */ + case 0x9a: return EL_AMOEBA_WET; /* EMC */ + case 0xaf: return EL_DYNAMITE; /* EMC */ + case 0xbd: return EL_SAND; /* EMC */ + + default: + Error(ERR_WARN, "invalid level element %d", element); + return EL_UNKNOWN; + } +} + +static int map_em_element_field(int element) +{ + if (element >= 0xc8 && element <= 0xe1) + return EL_CHAR_A + (element - 0xc8); + else if (element >= 0xe2 && element <= 0xeb) + return EL_CHAR_0 + (element - 0xe2); + + switch (element) + { + case 0x00: return EL_ROCK; + case 0x01: return EL_ROCK; /* EMC */ + case 0x02: return EL_DIAMOND; + case 0x03: return EL_DIAMOND; + case 0x04: return EL_ROBOT; + case 0x05: return EL_ROBOT; /* EMC */ + case 0x06: return EL_EMPTY_SPACE; /* EMC */ + case 0x07: return EL_EMPTY_SPACE; /* EMC */ + case 0x08: return EL_SPACESHIP_UP; + case 0x09: return EL_SPACESHIP_RIGHT; + case 0x0a: return EL_SPACESHIP_DOWN; + case 0x0b: return EL_SPACESHIP_LEFT; + case 0x0c: return EL_SPACESHIP_UP; + case 0x0d: return EL_SPACESHIP_RIGHT; + case 0x0e: return EL_SPACESHIP_DOWN; + case 0x0f: return EL_SPACESHIP_LEFT; + + case 0x10: return EL_BOMB; + case 0x11: return EL_BOMB; /* EMC */ + case 0x12: return EL_EMERALD; + case 0x13: return EL_EMERALD; + case 0x14: return EL_BUG_UP; + case 0x15: return EL_BUG_RIGHT; + case 0x16: return EL_BUG_DOWN; + case 0x17: return EL_BUG_LEFT; + case 0x18: return EL_BUG_UP; + case 0x19: return EL_BUG_RIGHT; + case 0x1a: return EL_BUG_DOWN; + case 0x1b: return EL_BUG_LEFT; + case 0x1c: return EL_AMOEBA_DROP; + case 0x1d: return EL_AMOEBA_DROP; /* EMC */ + case 0x1e: return EL_AMOEBA_DROP; /* EMC */ + case 0x1f: return EL_AMOEBA_DROP; /* EMC */ + + case 0x20: return EL_ROCK; + case 0x21: return EL_BOMB; /* EMC */ + case 0x22: return EL_DIAMOND; /* EMC */ + case 0x23: return EL_EMERALD; /* EMC */ + case 0x24: return EL_MAGIC_WALL; + case 0x25: return EL_NUT; + case 0x26: return EL_NUT; /* EMC */ + case 0x27: return EL_NUT; /* EMC */ + + /* looks like magic wheel, but is _always_ activated */ + case 0x28: return EL_ROBOT_WHEEL; /* EMC */ + + case 0x29: return EL_YAMYAM; /* up */ + case 0x2a: return EL_YAMYAM; /* down */ + case 0x2b: return EL_YAMYAM; /* left */ /* EMC */ + case 0x2c: return EL_YAMYAM; /* right */ /* EMC */ + case 0x2d: return EL_QUICKSAND_FULL; + case 0x2e: return EL_EMPTY_SPACE; /* EMC */ + case 0x2f: return EL_EMPTY_SPACE; /* EMC */ + + case 0x30: return EL_EMPTY_SPACE; /* EMC */ + case 0x31: return EL_SAND; /* EMC */ + case 0x32: return EL_SAND; /* EMC */ + case 0x33: return EL_SAND; /* EMC */ + case 0x34: return EL_QUICKSAND_FULL; /* EMC */ + case 0x35: return EL_QUICKSAND_FULL; /* EMC */ + case 0x36: return EL_QUICKSAND_FULL; /* EMC */ + case 0x37: return EL_SAND; /* EMC */ + case 0x38: return EL_ROCK; /* EMC */ + case 0x39: return EL_EXPANDABLE_WALL_HORIZONTAL; /* EMC */ + case 0x3a: return EL_EXPANDABLE_WALL_VERTICAL; /* EMC */ + case 0x3b: return EL_DYNAMITE_ACTIVE; /* 1 */ + case 0x3c: return EL_DYNAMITE_ACTIVE; /* 2 */ + case 0x3d: return EL_DYNAMITE_ACTIVE; /* 3 */ + case 0x3e: return EL_DYNAMITE_ACTIVE; /* 4 */ + case 0x3f: return EL_ACID_POOL_BOTTOM; + + case 0x40: return EL_EXIT_OPEN; /* 1 */ + case 0x41: return EL_EXIT_OPEN; /* 2 */ + case 0x42: return EL_EXIT_OPEN; /* 3 */ + case 0x43: return EL_BALLOON; /* EMC */ + case 0x44: return EL_UNKNOWN; /* EMC ("plant") */ + case 0x45: return EL_SPRING; /* EMC */ + case 0x46: return EL_SPRING; /* falling */ /* EMC */ + case 0x47: return EL_SPRING; /* left */ /* EMC */ + case 0x48: return EL_SPRING; /* right */ /* EMC */ + case 0x49: return EL_UNKNOWN; /* EMC ("ball 1") */ + case 0x4a: return EL_UNKNOWN; /* EMC ("ball 2") */ + case 0x4b: return EL_UNKNOWN; /* EMC ("android") */ + case 0x4c: return EL_EMPTY_SPACE; /* EMC */ + case 0x4d: return EL_UNKNOWN; /* EMC ("android") */ + case 0x4e: return EL_INVISIBLE_WALL; /* EMC (? "android") */ + case 0x4f: return EL_UNKNOWN; /* EMC ("android") */ + + case 0x50: return EL_UNKNOWN; /* EMC ("android") */ + case 0x51: return EL_UNKNOWN; /* EMC ("android") */ + case 0x52: return EL_UNKNOWN; /* EMC ("android") */ + case 0x53: return EL_UNKNOWN; /* EMC ("android") */ + case 0x54: return EL_UNKNOWN; /* EMC ("android") */ + case 0x55: return EL_EMPTY_SPACE; /* EMC */ + case 0x56: return EL_EMPTY_SPACE; /* EMC */ + case 0x57: return EL_EMPTY_SPACE; /* EMC */ + case 0x58: return EL_EMPTY_SPACE; /* EMC */ + case 0x59: return EL_EMPTY_SPACE; /* EMC */ + case 0x5a: return EL_EMPTY_SPACE; /* EMC */ + case 0x5b: return EL_EMPTY_SPACE; /* EMC */ + case 0x5c: return EL_EMPTY_SPACE; /* EMC */ + case 0x5d: return EL_EMPTY_SPACE; /* EMC */ + case 0x5e: return EL_EMPTY_SPACE; /* EMC */ + case 0x5f: return EL_EMPTY_SPACE; /* EMC */ + + case 0x60: return EL_EMPTY_SPACE; /* EMC */ + case 0x61: return EL_EMPTY_SPACE; /* EMC */ + case 0x62: return EL_EMPTY_SPACE; /* EMC */ + case 0x63: return EL_SPRING; /* left */ /* EMC */ + case 0x64: return EL_SPRING; /* right */ /* EMC */ + case 0x65: return EL_ACID; /* 1 */ /* EMC */ + case 0x66: return EL_ACID; /* 2 */ /* EMC */ + case 0x67: return EL_ACID; /* 3 */ /* EMC */ + case 0x68: return EL_ACID; /* 4 */ /* EMC */ + case 0x69: return EL_ACID; /* 5 */ /* EMC */ + case 0x6a: return EL_ACID; /* 6 */ /* EMC */ + case 0x6b: return EL_ACID; /* 7 */ /* EMC */ + case 0x6c: return EL_ACID; /* 8 */ /* EMC */ + case 0x6d: return EL_EMPTY_SPACE; /* EMC */ + case 0x6e: return EL_EMPTY_SPACE; /* EMC */ + case 0x6f: return EL_EMPTY_SPACE; /* EMC */ + + case 0x70: return EL_EMPTY_SPACE; /* EMC */ + case 0x71: return EL_EMPTY_SPACE; /* EMC */ + case 0x72: return EL_NUT; /* left */ /* EMC */ + case 0x73: return EL_SAND; /* EMC (? "nut") */ + case 0x74: return EL_STEELWALL; + case 0x75: return EL_EMPTY_SPACE; /* EMC */ + case 0x76: return EL_EMPTY_SPACE; /* EMC */ + case 0x77: return EL_BOMB; /* left */ /* EMC */ + case 0x78: return EL_BOMB; /* right */ /* EMC */ + case 0x79: return EL_ROCK; /* left */ /* EMC */ + case 0x7a: return EL_ROCK; /* right */ /* EMC */ + case 0x7b: return EL_ACID; /* (? EMC "blank") */ + case 0x7c: return EL_EMPTY_SPACE; /* EMC */ + case 0x7d: return EL_EMPTY_SPACE; /* EMC */ + case 0x7e: return EL_EMPTY_SPACE; /* EMC */ + case 0x7f: return EL_EMPTY_SPACE; /* EMC */ + + case 0x80: return EL_EMPTY; + case 0x81: return EL_WALL_SLIPPERY; + case 0x82: return EL_SAND; + case 0x83: return EL_STEELWALL; + case 0x84: return EL_WALL; + case 0x85: return EL_EM_KEY_1; + case 0x86: return EL_EM_KEY_2; + case 0x87: return EL_EM_KEY_4; + case 0x88: return EL_EM_KEY_3; + case 0x89: return EL_EM_GATE_1; + case 0x8a: return EL_EM_GATE_2; + case 0x8b: return EL_EM_GATE_4; + case 0x8c: return EL_EM_GATE_3; + case 0x8d: return EL_INVISIBLE_WALL; /* EMC (? "dripper") */ + case 0x8e: return EL_EM_GATE_1_GRAY; + case 0x8f: return EL_EM_GATE_2_GRAY; + + case 0x90: return EL_EM_GATE_4_GRAY; + case 0x91: return EL_EM_GATE_3_GRAY; + case 0x92: return EL_MAGIC_WALL; + case 0x93: return EL_ROBOT_WHEEL; + case 0x94: return EL_QUICKSAND_EMPTY; /* (? EMC "sand") */ + case 0x95: return EL_ACID_POOL_TOPLEFT; + case 0x96: return EL_ACID_POOL_TOPRIGHT; + case 0x97: return EL_ACID_POOL_BOTTOMLEFT; + case 0x98: return EL_ACID_POOL_BOTTOMRIGHT; + case 0x99: return EL_ACID; /* (? EMC "fake blank") */ + case 0x9a: return EL_AMOEBA_DEAD; /* 1 */ + case 0x9b: return EL_AMOEBA_DEAD; /* 2 */ + case 0x9c: return EL_AMOEBA_DEAD; /* 3 */ + case 0x9d: return EL_AMOEBA_DEAD; /* 4 */ + case 0x9e: return EL_EXIT_CLOSED; + case 0x9f: return EL_CHAR_LESS; /* arrow left */ + + /* looks like normal sand, but behaves like wall */ + case 0xa0: return EL_UNKNOWN; /* EMC ("fake grass") */ + case 0xa1: return EL_UNKNOWN; /* EMC ("lenses") */ + case 0xa2: return EL_UNKNOWN; /* EMC ("magnify") */ + case 0xa3: return EL_UNKNOWN; /* EMC ("fake blank") */ + case 0xa4: return EL_UNKNOWN; /* EMC ("fake grass") */ + case 0xa5: return EL_UNKNOWN; /* EMC ("switch") */ + case 0xa6: return EL_UNKNOWN; /* EMC ("switch") */ + case 0xa7: return EL_EMPTY_SPACE; /* EMC */ + case 0xa8: return EL_EMC_WALL_1; /* EMC ("decor 8") */ + case 0xa9: return EL_EMC_WALL_2; /* EMC ("decor 9") */ + case 0xaa: return EL_EMC_WALL_3; /* EMC ("decor 10") */ + case 0xab: return EL_EMC_WALL_7; /* EMC ("decor 5") */ + case 0xac: return EL_CHAR_COMMA; /* EMC */ + case 0xad: return EL_CHAR_QUOTEDBL; /* EMC */ + case 0xae: return EL_CHAR_MINUS; /* EMC */ + case 0xaf: return EL_DYNAMITE; + + case 0xb0: return EL_EMC_STEELWALL_1; /* EMC ("steel 3") */ + case 0xb1: return EL_EMC_WALL_8; /* EMC ("decor 6") */ + case 0xb2: return EL_UNKNOWN; /* EMC ("decor 7") */ + case 0xb3: return EL_STEELWALL; /* 2 */ /* EMC */ + case 0xb4: return EL_WALL_SLIPPERY; /* 2 */ /* EMC */ + case 0xb5: return EL_EMC_WALL_6; /* EMC ("decor 2") */ + case 0xb6: return EL_EMC_WALL_5; /* EMC ("decor 4") */ + case 0xb7: return EL_EMC_WALL_4; /* EMC ("decor 3") */ + case 0xb8: return EL_BALLOON_SWITCH_ANY; /* EMC */ + case 0xb9: return EL_BALLOON_SWITCH_RIGHT; /* EMC */ + case 0xba: return EL_BALLOON_SWITCH_DOWN; /* EMC */ + case 0xbb: return EL_BALLOON_SWITCH_LEFT; /* EMC */ + case 0xbc: return EL_BALLOON_SWITCH_UP; /* EMC */ + case 0xbd: return EL_SAND; /* EMC ("dirt") */ + case 0xbe: return EL_UNKNOWN; /* EMC ("plant") */ + case 0xbf: return EL_UNKNOWN; /* EMC ("key 5") */ + + case 0xc0: return EL_UNKNOWN; /* EMC ("key 6") */ + case 0xc1: return EL_UNKNOWN; /* EMC ("key 7") */ + case 0xc2: return EL_UNKNOWN; /* EMC ("key 8") */ + case 0xc3: return EL_UNKNOWN; /* EMC ("door 5") */ + case 0xc4: return EL_UNKNOWN; /* EMC ("door 6") */ + case 0xc5: return EL_UNKNOWN; /* EMC ("door 7") */ + case 0xc6: return EL_UNKNOWN; /* EMC ("door 8") */ + case 0xc7: return EL_UNKNOWN; /* EMC ("bumper") */ + + /* characters: see above */ + + case 0xec: return EL_CHAR_PERIOD; + case 0xed: return EL_CHAR_EXCLAM; + case 0xee: return EL_CHAR_COLON; + case 0xef: return EL_CHAR_QUESTION; + + case 0xf0: return EL_CHAR_GREATER; /* arrow right */ + case 0xf1: return EL_CHAR_COPYRIGHT; /* EMC: "decor 1" */ + case 0xf2: return EL_UNKNOWN; /* EMC ("fake door 5") */ + case 0xf3: return EL_UNKNOWN; /* EMC ("fake door 6") */ + case 0xf4: return EL_UNKNOWN; /* EMC ("fake door 7") */ + case 0xf5: return EL_UNKNOWN; /* EMC ("fake door 8") */ + case 0xf6: return EL_EMPTY_SPACE; /* EMC */ + case 0xf7: return EL_EMPTY_SPACE; /* EMC */ + + case 0xf8: return EL_EMPTY_SPACE; /* EMC */ + case 0xf9: return EL_EMPTY_SPACE; /* EMC */ + case 0xfa: return EL_EMPTY_SPACE; /* EMC */ + case 0xfb: return EL_EMPTY_SPACE; /* EMC */ + case 0xfc: return EL_EMPTY_SPACE; /* EMC */ + case 0xfd: return EL_EMPTY_SPACE; /* EMC */ + + case 0xfe: return EL_PLAYER_1; /* EMC: "blank" */ + case 0xff: return EL_PLAYER_2; /* EMC: "blank" */ + + default: + /* should never happen (all 8-bit value cases should be handled) */ + Error(ERR_WARN, "invalid level element %d", element); + return EL_UNKNOWN; + } +} + +#define EM_LEVEL_SIZE 2106 +#define EM_LEVEL_XSIZE 64 +#define EM_LEVEL_YSIZE 32 + +static void OLD_LoadLevelFromFileInfo_EM(struct LevelInfo *level, + struct LevelFileInfo *level_file_info) +{ + char *filename = level_file_info->filename; + FILE *file; + unsigned char leveldata[EM_LEVEL_SIZE]; + unsigned char *header = &leveldata[EM_LEVEL_XSIZE * EM_LEVEL_YSIZE]; int nr = level_file_info->nr; int i, x, y; - if (!(file = fopen(filename, MODE_READ))) - { - level->no_valid_file = TRUE; + if (!(file = fopen(filename, MODE_READ))) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + + return; + } + + for (i = 0; i < EM_LEVEL_SIZE; i++) + leveldata[i] = fgetc(file); + + fclose(file); + + /* check if level data is crypted by testing against known starting bytes + of the few existing crypted level files (from Emerald Mine 1 + 2) */ + + if ((leveldata[0] == 0xf1 || + leveldata[0] == 0xf5) && leveldata[2] == 0xe7 && leveldata[3] == 0xee) + { + unsigned char code0 = 0x65; + unsigned char code1 = 0x11; + + if (leveldata[0] == 0xf5) /* error in crypted Emerald Mine 2 levels */ + leveldata[0] = 0xf1; + + /* decode crypted level data */ + + for (i = 0; i < EM_LEVEL_SIZE; i++) + { + leveldata[i] ^= code0; + leveldata[i] -= code1; + + code0 = (code0 + 7) & 0xff; + } + } + + level->fieldx = EM_LEVEL_XSIZE; + level->fieldy = EM_LEVEL_YSIZE; + + level->time = header[46] * 10; + level->gems_needed = header[47]; + + /* The original Emerald Mine levels have their level number stored + at the second byte of the level file... + Do not trust this information at other level files, e.g. EMC, + but correct it anyway (normally the first row is completely + steel wall, so the correction does not hurt anyway). */ + + if (leveldata[1] == nr) + leveldata[1] = leveldata[2]; /* correct level number field */ + + sprintf(level->name, "Level %d", nr); /* set level name */ + + level->score[SC_EMERALD] = header[36]; + level->score[SC_DIAMOND] = header[37]; + level->score[SC_ROBOT] = header[38]; + level->score[SC_SPACESHIP] = header[39]; + level->score[SC_BUG] = header[40]; + level->score[SC_YAMYAM] = header[41]; + level->score[SC_NUT] = header[42]; + level->score[SC_DYNAMITE] = header[43]; + level->score[SC_TIME_BONUS] = header[44]; + + level->num_yamyam_contents = 4; + + for (i = 0; i < level->num_yamyam_contents; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i].e[x][y] = + map_em_element_yam(header[i * 9 + y * 3 + x]); + + level->amoeba_speed = (header[52] * 256 + header[53]) % 256; + level->time_magic_wall = (header[54] * 256 + header[55]) * 16 / 100; + level->time_wheel = (header[56] * 256 + header[57]) * 16 / 100; + level->amoeba_content = EL_DIAMOND; + + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + { + int new_element = map_em_element_field(leveldata[y * EM_LEVEL_XSIZE + x]); + + if (new_element == EL_AMOEBA_DEAD && level->amoeba_speed) + new_element = EL_AMOEBA_WET; + + level->field[x][y] = new_element; + } + + x = (header[48] * 256 + header[49]) % EM_LEVEL_XSIZE; + y = (header[48] * 256 + header[49]) / EM_LEVEL_XSIZE; + level->field[x][y] = EL_PLAYER_1; + + x = (header[50] * 256 + header[51]) % EM_LEVEL_XSIZE; + y = (header[50] * 256 + header[51]) / EM_LEVEL_XSIZE; + level->field[x][y] = EL_PLAYER_2; +} + +#endif + +void CopyNativeLevel_RND_to_EM(struct LevelInfo *level) +{ + static int ball_xy[8][2] = + { + { 0, 0 }, + { 1, 0 }, + { 2, 0 }, + { 0, 1 }, + { 2, 1 }, + { 0, 2 }, + { 1, 2 }, + { 2, 2 }, + }; + struct LevelInfo_EM *level_em = level->native_em_level; + struct LEVEL *lev = level_em->lev; + struct PLAYER **ply = level_em->ply; + int i, j, x, y; + + lev->width = MIN(level->fieldx, EM_MAX_CAVE_WIDTH); + lev->height = MIN(level->fieldy, EM_MAX_CAVE_HEIGHT); + + lev->time_seconds = level->time; + lev->required_initial = level->gems_needed; + + lev->emerald_score = level->score[SC_EMERALD]; + lev->diamond_score = level->score[SC_DIAMOND]; + lev->alien_score = level->score[SC_ROBOT]; + lev->tank_score = level->score[SC_SPACESHIP]; + lev->bug_score = level->score[SC_BUG]; + lev->eater_score = level->score[SC_YAMYAM]; + lev->nut_score = level->score[SC_NUT]; + lev->dynamite_score = level->score[SC_DYNAMITE]; + lev->key_score = level->score[SC_KEY]; + lev->exit_score = level->score[SC_TIME_BONUS]; + + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + lev->eater_array[i][y * 3 + x] = + map_element_RND_to_EM(level->yamyam_content[i].e[x][y]); + + lev->amoeba_time = level->amoeba_speed; + lev->wonderwall_time_initial = level->time_magic_wall; + lev->wheel_time = level->time_wheel; + + lev->android_move_time = level->android_move_time; + lev->android_clone_time = level->android_clone_time; + lev->ball_random = level->ball_random; + lev->ball_state_initial = level->ball_state_initial; + lev->ball_time = level->ball_time; + lev->num_ball_arrays = level->num_ball_contents; + + lev->lenses_score = level->lenses_score; + lev->magnify_score = level->magnify_score; + lev->slurp_score = level->slurp_score; + + lev->lenses_time = level->lenses_time; + lev->magnify_time = level->magnify_time; + + lev->wind_direction_initial = + map_direction_RND_to_EM(level->wind_direction_initial); + lev->wind_cnt_initial = (level->wind_direction_initial != MV_NONE ? + lev->wind_time : 0); + + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (j = 0; j < 8; j++) + lev->ball_array[i][j] = + map_element_RND_to_EM(level-> + ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]); + + map_android_clone_elements_RND_to_EM(level); + + /* first fill the complete playfield with the default border element */ + for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++) + for (x = 0; x < EM_MAX_CAVE_WIDTH; x++) + level_em->cave[x][y] = ZBORDER; + + if (BorderElement == EL_STEELWALL) + { + for (y = 0; y < lev->height + 2; y++) + for (x = 0; x < lev->width + 2; x++) + level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_STEELWALL); + } + + /* then copy the real level contents from level file into the playfield */ + for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++) + { + int new_element = map_element_RND_to_EM(level->field[x][y]); + int offset = (BorderElement == EL_STEELWALL ? 1 : 0); + int xx = x + 1 + offset; + int yy = y + 1 + offset; + + if (level->field[x][y] == EL_AMOEBA_DEAD) + new_element = map_element_RND_to_EM(EL_AMOEBA_WET); + + level_em->cave[xx][yy] = new_element; + } + + for (i = 0; i < MAX_PLAYERS; i++) + { + ply[i]->x_initial = 0; + ply[i]->y_initial = 0; + } + + /* initialize player positions and delete players from the playfield */ + for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++) + { + if (ELEM_IS_PLAYER(level->field[x][y])) + { + int player_nr = GET_PLAYER_NR(level->field[x][y]); + int offset = (BorderElement == EL_STEELWALL ? 1 : 0); + int xx = x + 1 + offset; + int yy = y + 1 + offset; + + ply[player_nr]->x_initial = xx; + ply[player_nr]->y_initial = yy; + + level_em->cave[xx][yy] = map_element_RND_to_EM(EL_EMPTY); + } + } + + if (BorderElement == EL_STEELWALL) + { + lev->width += 2; + lev->height += 2; + } +} + +void CopyNativeLevel_EM_to_RND(struct LevelInfo *level) +{ + static int ball_xy[8][2] = + { + { 0, 0 }, + { 1, 0 }, + { 2, 0 }, + { 0, 1 }, + { 2, 1 }, + { 0, 2 }, + { 1, 2 }, + { 2, 2 }, + }; + struct LevelInfo_EM *level_em = level->native_em_level; + struct LEVEL *lev = level_em->lev; + struct PLAYER **ply = level_em->ply; + int i, j, x, y; + + level->fieldx = MIN(lev->width, MAX_LEV_FIELDX); + level->fieldy = MIN(lev->height, MAX_LEV_FIELDY); + + level->time = lev->time_seconds; + level->gems_needed = lev->required_initial; + + sprintf(level->name, "Level %d", level->file_info.nr); + + level->score[SC_EMERALD] = lev->emerald_score; + level->score[SC_DIAMOND] = lev->diamond_score; + level->score[SC_ROBOT] = lev->alien_score; + level->score[SC_SPACESHIP] = lev->tank_score; + level->score[SC_BUG] = lev->bug_score; + level->score[SC_YAMYAM] = lev->eater_score; + level->score[SC_NUT] = lev->nut_score; + level->score[SC_DYNAMITE] = lev->dynamite_score; + level->score[SC_KEY] = lev->key_score; + level->score[SC_TIME_BONUS] = lev->exit_score; + + level->num_yamyam_contents = MAX_ELEMENT_CONTENTS; + + for (i = 0; i < level->num_yamyam_contents; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i].e[x][y] = + map_element_EM_to_RND(lev->eater_array[i][y * 3 + x]); + + level->amoeba_speed = lev->amoeba_time; + level->time_magic_wall = lev->wonderwall_time_initial; + level->time_wheel = lev->wheel_time; + + level->android_move_time = lev->android_move_time; + level->android_clone_time = lev->android_clone_time; + level->ball_random = lev->ball_random; + level->ball_state_initial = lev->ball_state_initial; + level->ball_time = lev->ball_time; + level->num_ball_contents = lev->num_ball_arrays; + + level->lenses_score = lev->lenses_score; + level->magnify_score = lev->magnify_score; + level->slurp_score = lev->slurp_score; + + level->lenses_time = lev->lenses_time; + level->magnify_time = lev->magnify_time; + + level->wind_direction_initial = + map_direction_EM_to_RND(lev->wind_direction_initial); + + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (j = 0; j < 8; j++) + level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]] = + map_element_EM_to_RND(lev->ball_array[i][j]); + + map_android_clone_elements_EM_to_RND(level); + + /* convert the playfield (some elements need special treatment) */ + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + { + int new_element = map_element_EM_to_RND(level_em->cave[x + 1][y + 1]); + + if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0) + new_element = EL_AMOEBA_DEAD; + + level->field[x][y] = new_element; + } + + for (i = 0; i < MAX_PLAYERS; i++) + { + /* in case of all players set to the same field, use the first player */ + int nr = MAX_PLAYERS - i - 1; + int jx = ply[nr]->x_initial - 1; + int jy = ply[nr]->y_initial - 1; + + if (jx != -1 && jy != -1) + level->field[jx][jy] = EL_PLAYER_1 + nr; + } +} + + +/* ------------------------------------------------------------------------- */ +/* functions for loading SP level */ +/* ------------------------------------------------------------------------- */ + +#if 0 + +#define NUM_SUPAPLEX_LEVELS_PER_PACKAGE 111 +#define SP_LEVEL_SIZE 1536 +#define SP_LEVEL_XSIZE 60 +#define SP_LEVEL_YSIZE 24 +#define SP_LEVEL_NAME_LEN 23 + +static void LoadLevelFromFileStream_SP(FILE *file, struct LevelInfo *level, + int nr) +{ + int initial_player_gravity; + int num_special_ports; + int i, x, y; + + /* for details of the Supaplex level format, see Herman Perk's Supaplex + documentation file "SPFIX63.DOC" from his Supaplex "SpeedFix" package */ + + /* read level body (width * height == 60 * 24 tiles == 1440 bytes) */ + for (y = 0; y < SP_LEVEL_YSIZE; y++) + { + for (x = 0; x < SP_LEVEL_XSIZE; x++) + { + int element_old = fgetc(file); + int element_new; + + if (element_old <= 0x27) + element_new = getMappedElement(EL_SP_START + element_old); + else if (element_old == 0x28) + element_new = EL_INVISIBLE_WALL; + else + { + Error(ERR_WARN, "in level %d, at position %d, %d:", nr, x, y); + Error(ERR_WARN, "invalid level element %d", element_old); + + element_new = EL_UNKNOWN; + } + + level->field[x][y] = element_new; + } + } + + ReadUnusedBytesFromFile(file, 4); /* (not used by Supaplex engine) */ + + /* initial gravity: 1 == "on", anything else (0) == "off" */ + initial_player_gravity = (fgetc(file) == 1 ? TRUE : FALSE); + + for (i = 0; i < MAX_PLAYERS; i++) + level->initial_player_gravity[i] = initial_player_gravity; + + ReadUnusedBytesFromFile(file, 1); /* (not used by Supaplex engine) */ + + /* level title in uppercase letters, padded with dashes ("-") (23 bytes) */ + for (i = 0; i < SP_LEVEL_NAME_LEN; i++) + level->name[i] = fgetc(file); + level->name[SP_LEVEL_NAME_LEN] = '\0'; + + /* initial "freeze zonks": 2 == "on", anything else (0, 1) == "off" */ + ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */ + + /* number of infotrons needed; 0 means that Supaplex will count the total + amount of infotrons in the level and use the low byte of that number + (a multiple of 256 infotrons will result in "0 infotrons needed"!) */ + level->gems_needed = fgetc(file); + + /* number of special ("gravity") port entries below (maximum 10 allowed) */ + num_special_ports = fgetc(file); + + /* database of properties of up to 10 special ports (6 bytes per port) */ + for (i = 0; i < 10; i++) + { + int port_location, port_x, port_y, port_element; + int gravity; + + /* high and low byte of the location of a special port; if (x, y) are the + coordinates of a port in the field and (0, 0) is the top-left corner, + the 16 bit value here calculates as 2 * (x + (y * 60)) (this is twice + of what may be expected: Supaplex works with a game field in memory + which is 2 bytes per tile) */ + port_location = getFile16BitBE(file); + + /* change gravity: 1 == "turn on", anything else (0) == "turn off" */ + gravity = fgetc(file); + + /* "freeze zonks": 2 == "turn on", anything else (0, 1) == "turn off" */ + ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */ + + /* "freeze enemies": 1 == "turn on", anything else (0) == "turn off" */ + ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */ + + ReadUnusedBytesFromFile(file, 1); /* (not used by Supaplex engine) */ + + if (i >= num_special_ports) + continue; + + port_x = (port_location / 2) % SP_LEVEL_XSIZE; + port_y = (port_location / 2) / SP_LEVEL_XSIZE; + + if (port_x < 0 || port_x >= SP_LEVEL_XSIZE || + port_y < 0 || port_y >= SP_LEVEL_YSIZE) + { + Error(ERR_WARN, "special port position (%d, %d) out of bounds", + port_x, port_y); + + continue; + } + + port_element = level->field[port_x][port_y]; + + if (port_element < EL_SP_GRAVITY_PORT_RIGHT || + port_element > EL_SP_GRAVITY_PORT_UP) + { + Error(ERR_WARN, "no special port at position (%d, %d)", port_x, port_y); + + continue; + } + + /* change previous (wrong) gravity inverting special port to either + gravity enabling special port or gravity disabling special port */ + level->field[port_x][port_y] += + (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT : + EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT; + } + + ReadUnusedBytesFromFile(file, 4); /* (not used by Supaplex engine) */ + + /* change special gravity ports without database entries to normal ports */ + for (y = 0; y < SP_LEVEL_YSIZE; y++) + for (x = 0; x < SP_LEVEL_XSIZE; x++) + if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT && + level->field[x][y] <= EL_SP_GRAVITY_PORT_UP) + level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT; + + /* auto-determine number of infotrons if it was stored as "0" -- see above */ + if (level->gems_needed == 0) + { + for (y = 0; y < SP_LEVEL_YSIZE; y++) + for (x = 0; x < SP_LEVEL_XSIZE; x++) + if (level->field[x][y] == EL_SP_INFOTRON) + level->gems_needed++; + + level->gems_needed &= 0xff; /* only use low byte -- see above */ + } + + level->fieldx = SP_LEVEL_XSIZE; + level->fieldy = SP_LEVEL_YSIZE; + + level->time = 0; /* no time limit */ + level->amoeba_speed = 0; + level->time_magic_wall = 0; + level->time_wheel = 0; + level->amoeba_content = EL_EMPTY; + +#if 1 + /* original Supaplex does not use score values -- use default values */ +#else + for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) + level->score[i] = 0; +#endif + + /* there are no yamyams in supaplex levels */ + for (i = 0; i < level->num_yamyam_contents; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i].e[x][y] = EL_EMPTY; +} + +static void LoadLevelFromFileInfo_SP(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + char *filename = level_file_info->filename; + FILE *file; + int nr = level_file_info->nr - leveldir_current->first_level; + int i, l, x, y; + char name_first, name_last; + struct LevelInfo multipart_level; + int multipart_xpos, multipart_ypos; + boolean is_multipart_level; + boolean is_first_part; + boolean reading_multipart_level = FALSE; + boolean use_empty_level = FALSE; + + if (!(file = fopen(filename, MODE_READ))) + { + level->no_valid_file = TRUE; + + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + + return; + } + + /* position file stream to the requested level inside the level package */ + if (level_file_info->packed && + fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename); + + return; + } + + /* there exist Supaplex level package files with multi-part levels which + can be detected as follows: instead of leading and trailing dashes ('-') + to pad the level name, they have leading and trailing numbers which are + the x and y coordinations of the current part of the multi-part level; + if there are '?' characters instead of numbers on the left or right side + of the level name, the multi-part level consists of only horizontal or + vertical parts */ + + for (l = nr; l < NUM_SUPAPLEX_LEVELS_PER_PACKAGE; l++) + { + LoadLevelFromFileStream_SP(file, level, l); + + /* check if this level is a part of a bigger multi-part level */ + + name_first = level->name[0]; + name_last = level->name[SP_LEVEL_NAME_LEN - 1]; + + is_multipart_level = + ((name_first == '?' || (name_first >= '0' && name_first <= '9')) && + (name_last == '?' || (name_last >= '0' && name_last <= '9'))); + + is_first_part = + ((name_first == '?' || name_first == '1') && + (name_last == '?' || name_last == '1')); + + /* correct leading multipart level meta information in level name */ + for (i = 0; i < SP_LEVEL_NAME_LEN && level->name[i] == name_first; i++) + level->name[i] = '-'; + + /* correct trailing multipart level meta information in level name */ + for (i = SP_LEVEL_NAME_LEN - 1; i >= 0 && level->name[i] == name_last; i--) + level->name[i] = '-'; + + /* ---------- check for normal single level ---------- */ + + if (!reading_multipart_level && !is_multipart_level) + { + /* the current level is simply a normal single-part level, and we are + not reading a multi-part level yet, so return the level as it is */ + + break; + } + + /* ---------- check for empty level (unused multi-part) ---------- */ + + if (!reading_multipart_level && is_multipart_level && !is_first_part) + { + /* this is a part of a multi-part level, but not the first part + (and we are not already reading parts of a multi-part level); + in this case, use an empty level instead of the single part */ + + use_empty_level = TRUE; + + break; + } + + /* ---------- check for finished multi-part level ---------- */ + + if (reading_multipart_level && + (!is_multipart_level || + !strEqual(level->name, multipart_level.name))) + { + /* we are already reading parts of a multi-part level, but this level is + either not a multi-part level, or a part of a different multi-part + level; in both cases, the multi-part level seems to be complete */ + + break; + } + + /* ---------- here we have one part of a multi-part level ---------- */ + + reading_multipart_level = TRUE; + + if (is_first_part) /* start with first part of new multi-part level */ + { + /* copy level info structure from first part */ + multipart_level = *level; + + /* clear playfield of new multi-part level */ + for (y = 0; y < MAX_LEV_FIELDY; y++) + for (x = 0; x < MAX_LEV_FIELDX; x++) + multipart_level.field[x][y] = EL_EMPTY; + } + + if (name_first == '?') + name_first = '1'; + if (name_last == '?') + name_last = '1'; + + multipart_xpos = (int)(name_first - '0'); + multipart_ypos = (int)(name_last - '0'); + +#if 0 + printf("----------> part (%d/%d) of multi-part level '%s'\n", + multipart_xpos, multipart_ypos, multipart_level.name); +#endif + + if (multipart_xpos * SP_LEVEL_XSIZE > MAX_LEV_FIELDX || + multipart_ypos * SP_LEVEL_YSIZE > MAX_LEV_FIELDY) + { + Error(ERR_WARN, "multi-part level is too big -- ignoring part of it"); + + break; + } + + multipart_level.fieldx = MAX(multipart_level.fieldx, + multipart_xpos * SP_LEVEL_XSIZE); + multipart_level.fieldy = MAX(multipart_level.fieldy, + multipart_ypos * SP_LEVEL_YSIZE); + + /* copy level part at the right position of multi-part level */ + for (y = 0; y < SP_LEVEL_YSIZE; y++) + { + for (x = 0; x < SP_LEVEL_XSIZE; x++) + { + int start_x = (multipart_xpos - 1) * SP_LEVEL_XSIZE; + int start_y = (multipart_ypos - 1) * SP_LEVEL_YSIZE; + + multipart_level.field[start_x + x][start_y + y] = level->field[x][y]; + } + } + } + + fclose(file); + + if (use_empty_level) + { + setLevelInfoToDefaults(level); + + level->fieldx = SP_LEVEL_XSIZE; + level->fieldy = SP_LEVEL_YSIZE; + + for (y = 0; y < SP_LEVEL_YSIZE; y++) + for (x = 0; x < SP_LEVEL_XSIZE; x++) + level->field[x][y] = EL_EMPTY; + + strcpy(level->name, "-------- EMPTY --------"); + + Error(ERR_WARN, "single part of multi-part level -- using empty level"); + } + + if (reading_multipart_level) + *level = multipart_level; +} + +#endif + +void CopyNativeLevel_RND_to_SP(struct LevelInfo *level) +{ + struct LevelInfo_SP *level_sp = level->native_sp_level; + LevelInfoType *header = &level_sp->header; + int i, x, y; + + level_sp->width = level->fieldx; + level_sp->height = level->fieldy; + + for (x = 0; x < level->fieldx; x++) + for (y = 0; y < level->fieldy; y++) + level_sp->playfield[x][y] = map_element_RND_to_SP(level->field[x][y]); + + header->InitialGravity = (level->initial_player_gravity[0] ? 1 : 0); + + for (i = 0; i < SP_LEVEL_NAME_LEN; i++) + header->LevelTitle[i] = level->name[i]; + /* !!! NO STRING TERMINATION IN SUPAPLEX VB CODE YET -- FIX THIS !!! */ + + header->InfotronsNeeded = level->gems_needed; + + header->SpecialPortCount = 0; + + for (x = 0; x < level->fieldx; x++) for (y = 0; y < level->fieldy; y++) + { + boolean gravity_port_found = FALSE; + boolean gravity_port_valid = FALSE; + int gravity_port_flag; + int gravity_port_base_element; + int element = level->field[x][y]; + + if (element >= EL_SP_GRAVITY_ON_PORT_RIGHT && + element <= EL_SP_GRAVITY_ON_PORT_UP) + { + gravity_port_found = TRUE; + gravity_port_valid = TRUE; + gravity_port_flag = 1; + gravity_port_base_element = EL_SP_GRAVITY_ON_PORT_RIGHT; + } + else if (element >= EL_SP_GRAVITY_OFF_PORT_RIGHT && + element <= EL_SP_GRAVITY_OFF_PORT_UP) + { + gravity_port_found = TRUE; + gravity_port_valid = TRUE; + gravity_port_flag = 0; + gravity_port_base_element = EL_SP_GRAVITY_OFF_PORT_RIGHT; + } + else if (element >= EL_SP_GRAVITY_PORT_RIGHT && + element <= EL_SP_GRAVITY_PORT_UP) + { + /* change R'n'D style gravity inverting special port to normal port + (there are no gravity inverting ports in native Supaplex engine) */ + + gravity_port_found = TRUE; + gravity_port_valid = FALSE; + gravity_port_base_element = EL_SP_GRAVITY_PORT_RIGHT; + } + + if (gravity_port_found) + { + if (gravity_port_valid && + header->SpecialPortCount < SP_MAX_SPECIAL_PORTS) + { + SpecialPortType *port = &header->SpecialPort[header->SpecialPortCount]; + + port->PortLocation = (y * level->fieldx + x) * 2; + port->Gravity = gravity_port_flag; + + element += EL_SP_GRAVITY_PORT_RIGHT - gravity_port_base_element; + + header->SpecialPortCount++; + } + else + { + /* change special gravity port to normal port */ + + element += EL_SP_PORT_RIGHT - gravity_port_base_element; + } + + level_sp->playfield[x][y] = element - EL_SP_START; + } + } +} + +void CopyNativeLevel_SP_to_RND(struct LevelInfo *level) +{ + struct LevelInfo_SP *level_sp = level->native_sp_level; + LevelInfoType *header = &level_sp->header; + int i, x, y; + + level->fieldx = level_sp->width; + level->fieldy = level_sp->height; + + for (x = 0; x < level->fieldx; x++) + { + for (y = 0; y < level->fieldy; y++) + { + int element_old = level_sp->playfield[x][y]; + int element_new = getMappedElement(map_element_SP_to_RND(element_old)); + + if (element_new == EL_UNKNOWN) + Error(ERR_WARN, "invalid element %d at position %d, %d", + element_old, x, y); + + level->field[x][y] = element_new; + } + } + + for (i = 0; i < MAX_PLAYERS; i++) + level->initial_player_gravity[i] = + (header->InitialGravity == 1 ? TRUE : FALSE); + + for (i = 0; i < SP_LEVEL_NAME_LEN; i++) + level->name[i] = header->LevelTitle[i]; + level->name[SP_LEVEL_NAME_LEN] = '\0'; + + level->gems_needed = header->InfotronsNeeded; + + for (i = 0; i < header->SpecialPortCount; i++) + { + SpecialPortType *port = &header->SpecialPort[i]; + int port_location = port->PortLocation; + int gravity = port->Gravity; + int port_x, port_y, port_element; + + port_x = (port_location / 2) % level->fieldx; + port_y = (port_location / 2) / level->fieldx; + + if (port_x < 0 || port_x >= level->fieldx || + port_y < 0 || port_y >= level->fieldy) + { + Error(ERR_WARN, "special port position (%d, %d) out of bounds", + port_x, port_y); + + continue; + } + + port_element = level->field[port_x][port_y]; + + if (port_element < EL_SP_GRAVITY_PORT_RIGHT || + port_element > EL_SP_GRAVITY_PORT_UP) + { + Error(ERR_WARN, "no special port at position (%d, %d)", port_x, port_y); + + continue; + } + + /* change previous (wrong) gravity inverting special port to either + gravity enabling special port or gravity disabling special port */ + level->field[port_x][port_y] += + (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT : + EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT; + } + + /* change special gravity ports without database entries to normal ports */ + for (x = 0; x < level->fieldx; x++) + for (y = 0; y < level->fieldy; y++) + if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT && + level->field[x][y] <= EL_SP_GRAVITY_PORT_UP) + level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT; + + level->time = 0; /* no time limit */ + level->amoeba_speed = 0; + level->time_magic_wall = 0; + level->time_wheel = 0; + level->amoeba_content = EL_EMPTY; + +#if 1 + /* original Supaplex does not use score values -- use default values */ +#else + for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) + level->score[i] = 0; +#endif + + /* there are no yamyams in supaplex levels */ + for (i = 0; i < level->num_yamyam_contents; i++) + for (x = 0; x < 3; x++) + for (y = 0; y < 3; y++) + level->yamyam_content[i].e[x][y] = EL_EMPTY; +} + +static void CopyNativeTape_RND_to_SP(struct LevelInfo *level) +{ + struct LevelInfo_SP *level_sp = level->native_sp_level; + struct DemoInfo_SP *demo = &level_sp->demo; + int i, j; + + /* always start with reliable default values */ + demo->is_available = FALSE; + demo->length = 0; + + if (TAPE_IS_EMPTY(tape)) + return; + + demo->level_nr = tape.level_nr; /* (currently not used) */ + + level_sp->header.DemoRandomSeed = tape.random_seed; + + demo->length = 0; + for (i = 0; i < tape.length; i++) + { + int demo_action = map_key_RND_to_SP(tape.pos[i].action[0]); + int demo_repeat = tape.pos[i].delay; + + for (j = 0; j < demo_repeat / 16; j++) + demo->data[demo->length++] = 0xf0 | demo_action; + + if (demo_repeat % 16) + demo->data[demo->length++] = ((demo_repeat % 16 - 1) << 4) | demo_action; + } + + demo->data[demo->length++] = 0xff; + + demo->is_available = TRUE; +} + +static void setTapeInfoToDefaults(); + +static void CopyNativeTape_SP_to_RND(struct LevelInfo *level) +{ + struct LevelInfo_SP *level_sp = level->native_sp_level; + struct DemoInfo_SP *demo = &level_sp->demo; + char *filename = level->file_info.filename; + int i; + + /* always start with reliable default values */ + setTapeInfoToDefaults(); + + if (!demo->is_available) + return; + + tape.level_nr = demo->level_nr; /* (currently not used) */ + tape.length = demo->length - 1; /* without "end of demo" byte */ + tape.random_seed = level_sp->header.DemoRandomSeed; + + TapeSetDateFromEpochSeconds(getFileTimestampEpochSeconds(filename)); + + for (i = 0; i < demo->length - 1; i++) + { + int demo_action = demo->data[i] & 0x0f; + int demo_repeat = (demo->data[i] & 0xf0) >> 4; + + tape.pos[i].action[0] = map_key_SP_to_RND(demo_action); + tape.pos[i].delay = demo_repeat + 1; + } + + tape.length_seconds = GetTapeLength(); +} + + +/* ------------------------------------------------------------------------- */ +/* functions for loading DC level */ +/* ------------------------------------------------------------------------- */ + +#define DC_LEVEL_HEADER_SIZE 344 + +unsigned short getDecodedWord_DC(unsigned short data_encoded, boolean init) +{ + static int last_data_encoded; + static int offset1; + static int offset2; + int diff; + int diff_hi, diff_lo; + int data_hi, data_lo; + unsigned short data_decoded; + + if (init) + { + last_data_encoded = 0; + offset1 = -1; + offset2 = 0; + + return 0; + } + + diff = data_encoded - last_data_encoded; + diff_hi = diff & ~0xff; + diff_lo = diff & 0xff; + + offset2 += diff_lo; + + data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00); + data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff; + data_hi = data_hi & 0xff00; + + data_decoded = data_hi | data_lo; + + last_data_encoded = data_encoded; + + offset1 = (offset1 + 1) % 31; + offset2 = offset2 & 0xff; + + return data_decoded; +} + +int getMappedElement_DC(int element) +{ + switch (element) + { + case 0x0000: + element = EL_ROCK; + break; + + /* 0x0117 - 0x036e: (?) */ + /* EL_DIAMOND */ + + /* 0x042d - 0x0684: (?) */ + /* EL_EMERALD */ + + case 0x06f1: + element = EL_NUT; + break; + + case 0x074c: + element = EL_BOMB; + break; + + case 0x07a4: + element = EL_PEARL; + break; + + case 0x0823: + element = EL_CRYSTAL; + break; + + case 0x0e77: /* quicksand (boulder) */ + element = EL_QUICKSAND_FAST_FULL; + break; + + case 0x0e99: /* slow quicksand (boulder) */ + element = EL_QUICKSAND_FULL; + break; + + case 0x0ed2: + element = EL_EM_EXIT_OPEN; + break; + + case 0x0ee3: + element = EL_EM_EXIT_CLOSED; + break; + + case 0x0eeb: + element = EL_EM_STEEL_EXIT_OPEN; + break; + + case 0x0efc: + element = EL_EM_STEEL_EXIT_CLOSED; + break; + + case 0x0f4f: /* dynamite (lit 1) */ + element = EL_EM_DYNAMITE_ACTIVE; + break; + + case 0x0f57: /* dynamite (lit 2) */ + element = EL_EM_DYNAMITE_ACTIVE; + break; + + case 0x0f5f: /* dynamite (lit 3) */ + element = EL_EM_DYNAMITE_ACTIVE; + break; + + case 0x0f67: /* dynamite (lit 4) */ + element = EL_EM_DYNAMITE_ACTIVE; + break; + + case 0x0f81: + case 0x0f82: + case 0x0f83: + case 0x0f84: + element = EL_AMOEBA_WET; + break; + + case 0x0f85: + element = EL_AMOEBA_DROP; + break; + + case 0x0fb9: + element = EL_DC_MAGIC_WALL; + break; + + case 0x0fd0: + element = EL_SPACESHIP_UP; + break; + + case 0x0fd9: + element = EL_SPACESHIP_DOWN; + break; + + case 0x0ff1: + element = EL_SPACESHIP_LEFT; + break; + + case 0x0ff9: + element = EL_SPACESHIP_RIGHT; + break; + + case 0x1057: + element = EL_BUG_UP; + break; + + case 0x1060: + element = EL_BUG_DOWN; + break; + + case 0x1078: + element = EL_BUG_LEFT; + break; + + case 0x1080: + element = EL_BUG_RIGHT; + break; + + case 0x10de: + element = EL_MOLE_UP; + break; + + case 0x10e7: + element = EL_MOLE_DOWN; + break; + + case 0x10ff: + element = EL_MOLE_LEFT; + break; + + case 0x1107: + element = EL_MOLE_RIGHT; + break; + + case 0x11c0: + element = EL_ROBOT; + break; + + case 0x13f5: + element = EL_YAMYAM; + break; + + case 0x1425: + element = EL_SWITCHGATE_OPEN; + break; + + case 0x1426: + element = EL_SWITCHGATE_CLOSED; + break; + + case 0x1437: + element = EL_DC_SWITCHGATE_SWITCH_UP; + break; + + case 0x143a: + element = EL_TIMEGATE_CLOSED; + break; + + case 0x144c: /* conveyor belt switch (green) */ + element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE; + break; + + case 0x144f: /* conveyor belt switch (red) */ + element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE; + break; + + case 0x1452: /* conveyor belt switch (blue) */ + element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE; + break; + + case 0x145b: + element = EL_CONVEYOR_BELT_3_MIDDLE; + break; + + case 0x1463: + element = EL_CONVEYOR_BELT_3_LEFT; + break; + + case 0x146b: + element = EL_CONVEYOR_BELT_3_RIGHT; + break; + + case 0x1473: + element = EL_CONVEYOR_BELT_1_MIDDLE; + break; + + case 0x147b: + element = EL_CONVEYOR_BELT_1_LEFT; + break; + + case 0x1483: + element = EL_CONVEYOR_BELT_1_RIGHT; + break; + + case 0x148b: + element = EL_CONVEYOR_BELT_4_MIDDLE; + break; + + case 0x1493: + element = EL_CONVEYOR_BELT_4_LEFT; + break; + + case 0x149b: + element = EL_CONVEYOR_BELT_4_RIGHT; + break; + + case 0x14ac: + element = EL_EXPANDABLE_WALL_HORIZONTAL; + break; + + case 0x14bd: + element = EL_EXPANDABLE_WALL_VERTICAL; + break; + + case 0x14c6: + element = EL_EXPANDABLE_WALL_ANY; + break; + + case 0x14ce: /* growing steel wall (left/right) */ + element = EL_EXPANDABLE_STEELWALL_HORIZONTAL; + break; + + case 0x14df: /* growing steel wall (up/down) */ + element = EL_EXPANDABLE_STEELWALL_VERTICAL; + break; + + case 0x14e8: /* growing steel wall (up/down/left/right) */ + element = EL_EXPANDABLE_STEELWALL_ANY; + break; + + case 0x14e9: + element = EL_SHIELD_DEADLY; + break; + + case 0x1501: + element = EL_EXTRA_TIME; + break; + + case 0x154f: + element = EL_ACID; + break; + + case 0x1577: + element = EL_EMPTY_SPACE; + break; + + case 0x1578: /* quicksand (empty) */ + element = EL_QUICKSAND_FAST_EMPTY; + break; + + case 0x1579: /* slow quicksand (empty) */ + element = EL_QUICKSAND_EMPTY; + break; + + /* 0x157c - 0x158b: */ + /* EL_SAND */ + + /* 0x1590 - 0x159f: */ + /* EL_DC_LANDMINE */ + + case 0x15a0: + element = EL_EM_DYNAMITE; + break; + + case 0x15a1: /* key (red) */ + element = EL_EM_KEY_1; + break; + + case 0x15a2: /* key (yellow) */ + element = EL_EM_KEY_2; + break; + + case 0x15a3: /* key (blue) */ + element = EL_EM_KEY_4; + break; + + case 0x15a4: /* key (green) */ + element = EL_EM_KEY_3; + break; + + case 0x15a5: /* key (white) */ + element = EL_DC_KEY_WHITE; + break; + + case 0x15a6: + element = EL_WALL_SLIPPERY; + break; + + case 0x15a7: + element = EL_WALL; + break; + + case 0x15a8: /* wall (not round) */ + element = EL_WALL; + break; + + case 0x15a9: /* (blue) */ + element = EL_CHAR_A; + break; + + case 0x15aa: /* (blue) */ + element = EL_CHAR_B; + break; + + case 0x15ab: /* (blue) */ + element = EL_CHAR_C; + break; + + case 0x15ac: /* (blue) */ + element = EL_CHAR_D; + break; + + case 0x15ad: /* (blue) */ + element = EL_CHAR_E; + break; + + case 0x15ae: /* (blue) */ + element = EL_CHAR_F; + break; + + case 0x15af: /* (blue) */ + element = EL_CHAR_G; + break; + + case 0x15b0: /* (blue) */ + element = EL_CHAR_H; + break; + + case 0x15b1: /* (blue) */ + element = EL_CHAR_I; + break; + + case 0x15b2: /* (blue) */ + element = EL_CHAR_J; + break; + + case 0x15b3: /* (blue) */ + element = EL_CHAR_K; + break; + + case 0x15b4: /* (blue) */ + element = EL_CHAR_L; + break; - Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + case 0x15b5: /* (blue) */ + element = EL_CHAR_M; + break; - return; - } + case 0x15b6: /* (blue) */ + element = EL_CHAR_N; + break; - for (i = 0; i < EM_LEVEL_SIZE; i++) - leveldata[i] = fgetc(file); + case 0x15b7: /* (blue) */ + element = EL_CHAR_O; + break; - fclose(file); + case 0x15b8: /* (blue) */ + element = EL_CHAR_P; + break; - /* check if level data is crypted by testing against known starting bytes - of the few existing crypted level files (from Emerald Mine 1 + 2) */ + case 0x15b9: /* (blue) */ + element = EL_CHAR_Q; + break; - if ((leveldata[0] == 0xf1 || - leveldata[0] == 0xf5) && leveldata[2] == 0xe7 && leveldata[3] == 0xee) - { - unsigned char code0 = 0x65; - unsigned char code1 = 0x11; + case 0x15ba: /* (blue) */ + element = EL_CHAR_R; + break; - if (leveldata[0] == 0xf5) /* error in crypted Emerald Mine 2 levels */ - leveldata[0] = 0xf1; + case 0x15bb: /* (blue) */ + element = EL_CHAR_S; + break; - /* decode crypted level data */ + case 0x15bc: /* (blue) */ + element = EL_CHAR_T; + break; - for (i = 0; i < EM_LEVEL_SIZE; i++) - { - leveldata[i] ^= code0; - leveldata[i] -= code1; + case 0x15bd: /* (blue) */ + element = EL_CHAR_U; + break; - code0 = (code0 + 7) & 0xff; - } - } + case 0x15be: /* (blue) */ + element = EL_CHAR_V; + break; - level->fieldx = EM_LEVEL_XSIZE; - level->fieldy = EM_LEVEL_YSIZE; + case 0x15bf: /* (blue) */ + element = EL_CHAR_W; + break; - level->time = header[46] * 10; - level->gems_needed = header[47]; + case 0x15c0: /* (blue) */ + element = EL_CHAR_X; + break; - /* The original Emerald Mine levels have their level number stored - at the second byte of the level file... - Do not trust this information at other level files, e.g. EMC, - but correct it anyway (normally the first row is completely - steel wall, so the correction does not hurt anyway). */ + case 0x15c1: /* (blue) */ + element = EL_CHAR_Y; + break; - if (leveldata[1] == nr) - leveldata[1] = leveldata[2]; /* correct level number field */ + case 0x15c2: /* (blue) */ + element = EL_CHAR_Z; + break; - sprintf(level->name, "Level %d", nr); /* set level name */ + case 0x15c3: /* (blue) */ + element = EL_CHAR_AUMLAUT; + break; - level->score[SC_EMERALD] = header[36]; - level->score[SC_DIAMOND] = header[37]; - level->score[SC_ROBOT] = header[38]; - level->score[SC_SPACESHIP] = header[39]; - level->score[SC_BUG] = header[40]; - level->score[SC_YAMYAM] = header[41]; - level->score[SC_NUT] = header[42]; - level->score[SC_DYNAMITE] = header[43]; - level->score[SC_TIME_BONUS] = header[44]; + case 0x15c4: /* (blue) */ + element = EL_CHAR_OUMLAUT; + break; - level->num_yamyam_contents = 4; + case 0x15c5: /* (blue) */ + element = EL_CHAR_UUMLAUT; + break; - for (i = 0; i < level->num_yamyam_contents; i++) - for (y = 0; y < 3; y++) - for (x = 0; x < 3; x++) - level->yamyam_content[i].e[x][y] = - map_em_element_yam(header[i * 9 + y * 3 + x]); + case 0x15c6: /* (blue) */ + element = EL_CHAR_0; + break; - level->amoeba_speed = (header[52] * 256 + header[53]) % 256; - level->time_magic_wall = (header[54] * 256 + header[55]) * 16 / 100; - level->time_wheel = (header[56] * 256 + header[57]) * 16 / 100; - level->amoeba_content = EL_DIAMOND; + case 0x15c7: /* (blue) */ + element = EL_CHAR_1; + break; - for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) - { - int new_element = map_em_element_field(leveldata[y * EM_LEVEL_XSIZE + x]); + case 0x15c8: /* (blue) */ + element = EL_CHAR_2; + break; - if (new_element == EL_AMOEBA_DEAD && level->amoeba_speed) - new_element = EL_AMOEBA_WET; + case 0x15c9: /* (blue) */ + element = EL_CHAR_3; + break; - level->field[x][y] = new_element; - } + case 0x15ca: /* (blue) */ + element = EL_CHAR_4; + break; - x = (header[48] * 256 + header[49]) % EM_LEVEL_XSIZE; - y = (header[48] * 256 + header[49]) / EM_LEVEL_XSIZE; - level->field[x][y] = EL_PLAYER_1; + case 0x15cb: /* (blue) */ + element = EL_CHAR_5; + break; - x = (header[50] * 256 + header[51]) % EM_LEVEL_XSIZE; - y = (header[50] * 256 + header[51]) / EM_LEVEL_XSIZE; - level->field[x][y] = EL_PLAYER_2; -} + case 0x15cc: /* (blue) */ + element = EL_CHAR_6; + break; -#endif + case 0x15cd: /* (blue) */ + element = EL_CHAR_7; + break; -void CopyNativeLevel_RND_to_EM(struct LevelInfo *level) -{ - static int ball_xy[8][2] = - { - { 0, 0 }, - { 1, 0 }, - { 2, 0 }, - { 0, 1 }, - { 2, 1 }, - { 0, 2 }, - { 1, 2 }, - { 2, 2 }, - }; - struct LevelInfo_EM *level_em = level->native_em_level; - struct LEVEL *lev = level_em->lev; - struct PLAYER **ply = level_em->ply; - int i, j, x, y; + case 0x15ce: /* (blue) */ + element = EL_CHAR_8; + break; - lev->width = MIN(level->fieldx, EM_MAX_CAVE_WIDTH); - lev->height = MIN(level->fieldy, EM_MAX_CAVE_HEIGHT); + case 0x15cf: /* (blue) */ + element = EL_CHAR_9; + break; - lev->time_seconds = level->time; - lev->required_initial = level->gems_needed; + case 0x15d0: /* (blue) */ + element = EL_CHAR_PERIOD; + break; - lev->emerald_score = level->score[SC_EMERALD]; - lev->diamond_score = level->score[SC_DIAMOND]; - lev->alien_score = level->score[SC_ROBOT]; - lev->tank_score = level->score[SC_SPACESHIP]; - lev->bug_score = level->score[SC_BUG]; - lev->eater_score = level->score[SC_YAMYAM]; - lev->nut_score = level->score[SC_NUT]; - lev->dynamite_score = level->score[SC_DYNAMITE]; - lev->key_score = level->score[SC_KEY]; - lev->exit_score = level->score[SC_TIME_BONUS]; + case 0x15d1: /* (blue) */ + element = EL_CHAR_EXCLAM; + break; - for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) - for (y = 0; y < 3; y++) - for (x = 0; x < 3; x++) - lev->eater_array[i][y * 3 + x] = - map_element_RND_to_EM(level->yamyam_content[i].e[x][y]); + case 0x15d2: /* (blue) */ + element = EL_CHAR_COLON; + break; - lev->amoeba_time = level->amoeba_speed; - lev->wonderwall_time_initial = level->time_magic_wall; - lev->wheel_time = level->time_wheel; + case 0x15d3: /* (blue) */ + element = EL_CHAR_LESS; + break; - lev->android_move_time = level->android_move_time; - lev->android_clone_time = level->android_clone_time; - lev->ball_random = level->ball_random; - lev->ball_state_initial = level->ball_state_initial; - lev->ball_time = level->ball_time; - lev->num_ball_arrays = level->num_ball_contents; + case 0x15d4: /* (blue) */ + element = EL_CHAR_GREATER; + break; - lev->lenses_score = level->lenses_score; - lev->magnify_score = level->magnify_score; - lev->slurp_score = level->slurp_score; + case 0x15d5: /* (blue) */ + element = EL_CHAR_QUESTION; + break; - lev->lenses_time = level->lenses_time; - lev->magnify_time = level->magnify_time; + case 0x15d6: /* (blue) */ + element = EL_CHAR_COPYRIGHT; + break; - lev->wind_direction_initial = - map_direction_RND_to_EM(level->wind_direction_initial); - lev->wind_cnt_initial = (level->wind_direction_initial != MV_NONE ? - lev->wind_time : 0); + case 0x15d7: /* (blue) */ + element = EL_CHAR_UP; + break; - for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) - for (j = 0; j < 8; j++) - lev->ball_array[i][j] = - map_element_RND_to_EM(level-> - ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]); + case 0x15d8: /* (blue) */ + element = EL_CHAR_DOWN; + break; - map_android_clone_elements_RND_to_EM(level); + case 0x15d9: /* (blue) */ + element = EL_CHAR_BUTTON; + break; - /* first fill the complete playfield with the default border element */ - for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++) - for (x = 0; x < EM_MAX_CAVE_WIDTH; x++) - level_em->cave[x][y] = ZBORDER; + case 0x15da: /* (blue) */ + element = EL_CHAR_PLUS; + break; + + case 0x15db: /* (blue) */ + element = EL_CHAR_MINUS; + break; - if (BorderElement == EL_STEELWALL) - { - for (y = 0; y < lev->height + 2; y++) - for (x = 0; x < lev->width + 2; x++) - level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_STEELWALL); - } + case 0x15dc: /* (blue) */ + element = EL_CHAR_APOSTROPHE; + break; - /* then copy the real level contents from level file into the playfield */ - for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++) - { - int new_element = map_element_RND_to_EM(level->field[x][y]); - int offset = (BorderElement == EL_STEELWALL ? 1 : 0); - int xx = x + 1 + offset; - int yy = y + 1 + offset; + case 0x15dd: /* (blue) */ + element = EL_CHAR_PARENLEFT; + break; - if (level->field[x][y] == EL_AMOEBA_DEAD) - new_element = map_element_RND_to_EM(EL_AMOEBA_WET); + case 0x15de: /* (blue) */ + element = EL_CHAR_PARENRIGHT; + break; - level_em->cave[xx][yy] = new_element; - } + case 0x15df: /* (green) */ + element = EL_CHAR_A; + break; - for (i = 0; i < MAX_PLAYERS; i++) - { - ply[i]->x_initial = 0; - ply[i]->y_initial = 0; - } + case 0x15e0: /* (green) */ + element = EL_CHAR_B; + break; - /* initialize player positions and delete players from the playfield */ - for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++) - { - if (ELEM_IS_PLAYER(level->field[x][y])) - { - int player_nr = GET_PLAYER_NR(level->field[x][y]); - int offset = (BorderElement == EL_STEELWALL ? 1 : 0); - int xx = x + 1 + offset; - int yy = y + 1 + offset; + case 0x15e1: /* (green) */ + element = EL_CHAR_C; + break; - ply[player_nr]->x_initial = xx; - ply[player_nr]->y_initial = yy; + case 0x15e2: /* (green) */ + element = EL_CHAR_D; + break; - level_em->cave[xx][yy] = map_element_RND_to_EM(EL_EMPTY); - } - } + case 0x15e3: /* (green) */ + element = EL_CHAR_E; + break; - if (BorderElement == EL_STEELWALL) - { - lev->width += 2; - lev->height += 2; - } -} + case 0x15e4: /* (green) */ + element = EL_CHAR_F; + break; -void CopyNativeLevel_EM_to_RND(struct LevelInfo *level) -{ - static int ball_xy[8][2] = - { - { 0, 0 }, - { 1, 0 }, - { 2, 0 }, - { 0, 1 }, - { 2, 1 }, - { 0, 2 }, - { 1, 2 }, - { 2, 2 }, - }; - struct LevelInfo_EM *level_em = level->native_em_level; - struct LEVEL *lev = level_em->lev; - struct PLAYER **ply = level_em->ply; - int i, j, x, y; + case 0x15e5: /* (green) */ + element = EL_CHAR_G; + break; - level->fieldx = MIN(lev->width, MAX_LEV_FIELDX); - level->fieldy = MIN(lev->height, MAX_LEV_FIELDY); + case 0x15e6: /* (green) */ + element = EL_CHAR_H; + break; - level->time = lev->time_seconds; - level->gems_needed = lev->required_initial; + case 0x15e7: /* (green) */ + element = EL_CHAR_I; + break; - sprintf(level->name, "Level %d", level->file_info.nr); + case 0x15e8: /* (green) */ + element = EL_CHAR_J; + break; - level->score[SC_EMERALD] = lev->emerald_score; - level->score[SC_DIAMOND] = lev->diamond_score; - level->score[SC_ROBOT] = lev->alien_score; - level->score[SC_SPACESHIP] = lev->tank_score; - level->score[SC_BUG] = lev->bug_score; - level->score[SC_YAMYAM] = lev->eater_score; - level->score[SC_NUT] = lev->nut_score; - level->score[SC_DYNAMITE] = lev->dynamite_score; - level->score[SC_KEY] = lev->key_score; - level->score[SC_TIME_BONUS] = lev->exit_score; + case 0x15e9: /* (green) */ + element = EL_CHAR_K; + break; - level->num_yamyam_contents = MAX_ELEMENT_CONTENTS; + case 0x15ea: /* (green) */ + element = EL_CHAR_L; + break; - for (i = 0; i < level->num_yamyam_contents; i++) - for (y = 0; y < 3; y++) - for (x = 0; x < 3; x++) - level->yamyam_content[i].e[x][y] = - map_element_EM_to_RND(lev->eater_array[i][y * 3 + x]); + case 0x15eb: /* (green) */ + element = EL_CHAR_M; + break; - level->amoeba_speed = lev->amoeba_time; - level->time_magic_wall = lev->wonderwall_time_initial; - level->time_wheel = lev->wheel_time; + case 0x15ec: /* (green) */ + element = EL_CHAR_N; + break; - level->android_move_time = lev->android_move_time; - level->android_clone_time = lev->android_clone_time; - level->ball_random = lev->ball_random; - level->ball_state_initial = lev->ball_state_initial; - level->ball_time = lev->ball_time; - level->num_ball_contents = lev->num_ball_arrays; + case 0x15ed: /* (green) */ + element = EL_CHAR_O; + break; - level->lenses_score = lev->lenses_score; - level->magnify_score = lev->magnify_score; - level->slurp_score = lev->slurp_score; + case 0x15ee: /* (green) */ + element = EL_CHAR_P; + break; - level->lenses_time = lev->lenses_time; - level->magnify_time = lev->magnify_time; + case 0x15ef: /* (green) */ + element = EL_CHAR_Q; + break; - level->wind_direction_initial = - map_direction_EM_to_RND(lev->wind_direction_initial); + case 0x15f0: /* (green) */ + element = EL_CHAR_R; + break; - for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) - for (j = 0; j < 8; j++) - level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]] = - map_element_EM_to_RND(lev->ball_array[i][j]); + case 0x15f1: /* (green) */ + element = EL_CHAR_S; + break; - map_android_clone_elements_EM_to_RND(level); + case 0x15f2: /* (green) */ + element = EL_CHAR_T; + break; - /* convert the playfield (some elements need special treatment) */ - for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) - { - int new_element = map_element_EM_to_RND(level_em->cave[x + 1][y + 1]); + case 0x15f3: /* (green) */ + element = EL_CHAR_U; + break; - if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0) - new_element = EL_AMOEBA_DEAD; + case 0x15f4: /* (green) */ + element = EL_CHAR_V; + break; - level->field[x][y] = new_element; - } + case 0x15f5: /* (green) */ + element = EL_CHAR_W; + break; - for (i = 0; i < MAX_PLAYERS; i++) - { - /* in case of all players set to the same field, use the first player */ - int nr = MAX_PLAYERS - i - 1; - int jx = ply[nr]->x_initial - 1; - int jy = ply[nr]->y_initial - 1; + case 0x15f6: /* (green) */ + element = EL_CHAR_X; + break; - if (jx != -1 && jy != -1) - level->field[jx][jy] = EL_PLAYER_1 + nr; - } -} + case 0x15f7: /* (green) */ + element = EL_CHAR_Y; + break; -static void LoadLevelFromFileInfo_EM(struct LevelInfo *level, - struct LevelFileInfo *level_file_info) -{ - if (!LoadNativeLevel_EM(level_file_info->filename)) - level->no_valid_file = TRUE; -} + case 0x15f8: /* (green) */ + element = EL_CHAR_Z; + break; -void CopyNativeLevel_RND_to_Native(struct LevelInfo *level) -{ - if (level->game_engine_type == GAME_ENGINE_TYPE_EM) - CopyNativeLevel_RND_to_EM(level); -} + case 0x15f9: /* (green) */ + element = EL_CHAR_AUMLAUT; + break; -void CopyNativeLevel_Native_to_RND(struct LevelInfo *level) -{ - if (level->game_engine_type == GAME_ENGINE_TYPE_EM) - CopyNativeLevel_EM_to_RND(level); -} + case 0x15fa: /* (green) */ + element = EL_CHAR_OUMLAUT; + break; + case 0x15fb: /* (green) */ + element = EL_CHAR_UUMLAUT; + break; -/* ------------------------------------------------------------------------- */ -/* functions for loading SP level */ -/* ------------------------------------------------------------------------- */ + case 0x15fc: /* (green) */ + element = EL_CHAR_0; + break; -#define NUM_SUPAPLEX_LEVELS_PER_PACKAGE 111 -#define SP_LEVEL_SIZE 1536 -#define SP_LEVEL_XSIZE 60 -#define SP_LEVEL_YSIZE 24 -#define SP_LEVEL_NAME_LEN 23 + case 0x15fd: /* (green) */ + element = EL_CHAR_1; + break; -static void LoadLevelFromFileStream_SP(FILE *file, struct LevelInfo *level, - int nr) -{ - int initial_player_gravity; - int num_special_ports; - int i, x, y; + case 0x15fe: /* (green) */ + element = EL_CHAR_2; + break; + + case 0x15ff: /* (green) */ + element = EL_CHAR_3; + break; - /* for details of the Supaplex level format, see Herman Perk's Supaplex - documentation file "SPFIX63.DOC" from his Supaplex "SpeedFix" package */ + case 0x1600: /* (green) */ + element = EL_CHAR_4; + break; - /* read level body (width * height == 60 * 24 tiles == 1440 bytes) */ - for (y = 0; y < SP_LEVEL_YSIZE; y++) - { - for (x = 0; x < SP_LEVEL_XSIZE; x++) - { - int element_old = fgetc(file); - int element_new; + case 0x1601: /* (green) */ + element = EL_CHAR_5; + break; - if (element_old <= 0x27) - element_new = getMappedElement(EL_SP_START + element_old); - else if (element_old == 0x28) - element_new = EL_INVISIBLE_WALL; - else - { - Error(ERR_WARN, "in level %d, at position %d, %d:", nr, x, y); - Error(ERR_WARN, "invalid level element %d", element_old); + case 0x1602: /* (green) */ + element = EL_CHAR_6; + break; - element_new = EL_UNKNOWN; - } + case 0x1603: /* (green) */ + element = EL_CHAR_7; + break; - level->field[x][y] = element_new; - } - } + case 0x1604: /* (green) */ + element = EL_CHAR_8; + break; - ReadUnusedBytesFromFile(file, 4); /* (not used by Supaplex engine) */ + case 0x1605: /* (green) */ + element = EL_CHAR_9; + break; - /* initial gravity: 1 == "on", anything else (0) == "off" */ - initial_player_gravity = (fgetc(file) == 1 ? TRUE : FALSE); + case 0x1606: /* (green) */ + element = EL_CHAR_PERIOD; + break; - for (i = 0; i < MAX_PLAYERS; i++) - level->initial_player_gravity[i] = initial_player_gravity; + case 0x1607: /* (green) */ + element = EL_CHAR_EXCLAM; + break; - ReadUnusedBytesFromFile(file, 1); /* (not used by Supaplex engine) */ + case 0x1608: /* (green) */ + element = EL_CHAR_COLON; + break; - /* level title in uppercase letters, padded with dashes ("-") (23 bytes) */ - for (i = 0; i < SP_LEVEL_NAME_LEN; i++) - level->name[i] = fgetc(file); - level->name[SP_LEVEL_NAME_LEN] = '\0'; + case 0x1609: /* (green) */ + element = EL_CHAR_LESS; + break; - /* initial "freeze zonks": 2 == "on", anything else (0, 1) == "off" */ - ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */ + case 0x160a: /* (green) */ + element = EL_CHAR_GREATER; + break; - /* number of infotrons needed; 0 means that Supaplex will count the total - amount of infotrons in the level and use the low byte of that number - (a multiple of 256 infotrons will result in "0 infotrons needed"!) */ - level->gems_needed = fgetc(file); + case 0x160b: /* (green) */ + element = EL_CHAR_QUESTION; + break; - /* number of special ("gravity") port entries below (maximum 10 allowed) */ - num_special_ports = fgetc(file); + case 0x160c: /* (green) */ + element = EL_CHAR_COPYRIGHT; + break; - /* database of properties of up to 10 special ports (6 bytes per port) */ - for (i = 0; i < 10; i++) - { - int port_location, port_x, port_y, port_element; - int gravity; + case 0x160d: /* (green) */ + element = EL_CHAR_UP; + break; - /* high and low byte of the location of a special port; if (x, y) are the - coordinates of a port in the field and (0, 0) is the top-left corner, - the 16 bit value here calculates as 2 * (x + (y * 60)) (this is twice - of what may be expected: Supaplex works with a game field in memory - which is 2 bytes per tile) */ - port_location = getFile16BitBE(file); + case 0x160e: /* (green) */ + element = EL_CHAR_DOWN; + break; - /* change gravity: 1 == "turn on", anything else (0) == "turn off" */ - gravity = fgetc(file); + case 0x160f: /* (green) */ + element = EL_CHAR_BUTTON; + break; - /* "freeze zonks": 2 == "turn on", anything else (0, 1) == "turn off" */ - ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */ + case 0x1610: /* (green) */ + element = EL_CHAR_PLUS; + break; - /* "freeze enemies": 1 == "turn on", anything else (0) == "turn off" */ - ReadUnusedBytesFromFile(file, 1); /* (not used by R'n'D engine) */ + case 0x1611: /* (green) */ + element = EL_CHAR_MINUS; + break; - ReadUnusedBytesFromFile(file, 1); /* (not used by Supaplex engine) */ + case 0x1612: /* (green) */ + element = EL_CHAR_APOSTROPHE; + break; - if (i >= num_special_ports) - continue; + case 0x1613: /* (green) */ + element = EL_CHAR_PARENLEFT; + break; - port_x = (port_location / 2) % SP_LEVEL_XSIZE; - port_y = (port_location / 2) / SP_LEVEL_XSIZE; + case 0x1614: /* (green) */ + element = EL_CHAR_PARENRIGHT; + break; - if (port_x < 0 || port_x >= SP_LEVEL_XSIZE || - port_y < 0 || port_y >= SP_LEVEL_YSIZE) - { - Error(ERR_WARN, "special port position (%d, %d) out of bounds", - port_x, port_y); + case 0x1615: /* (blue steel) */ + element = EL_STEEL_CHAR_A; + break; - continue; - } + case 0x1616: /* (blue steel) */ + element = EL_STEEL_CHAR_B; + break; - port_element = level->field[port_x][port_y]; + case 0x1617: /* (blue steel) */ + element = EL_STEEL_CHAR_C; + break; - if (port_element < EL_SP_GRAVITY_PORT_RIGHT || - port_element > EL_SP_GRAVITY_PORT_UP) - { - Error(ERR_WARN, "no special port at position (%d, %d)", port_x, port_y); + case 0x1618: /* (blue steel) */ + element = EL_STEEL_CHAR_D; + break; - continue; - } + case 0x1619: /* (blue steel) */ + element = EL_STEEL_CHAR_E; + break; - /* change previous (wrong) gravity inverting special port to either - gravity enabling special port or gravity disabling special port */ - level->field[port_x][port_y] += - (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT : - EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT; - } + case 0x161a: /* (blue steel) */ + element = EL_STEEL_CHAR_F; + break; - ReadUnusedBytesFromFile(file, 4); /* (not used by Supaplex engine) */ + case 0x161b: /* (blue steel) */ + element = EL_STEEL_CHAR_G; + break; - /* change special gravity ports without database entries to normal ports */ - for (y = 0; y < SP_LEVEL_YSIZE; y++) - for (x = 0; x < SP_LEVEL_XSIZE; x++) - if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT && - level->field[x][y] <= EL_SP_GRAVITY_PORT_UP) - level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT; + case 0x161c: /* (blue steel) */ + element = EL_STEEL_CHAR_H; + break; - /* auto-determine number of infotrons if it was stored as "0" -- see above */ - if (level->gems_needed == 0) - { - for (y = 0; y < SP_LEVEL_YSIZE; y++) - for (x = 0; x < SP_LEVEL_XSIZE; x++) - if (level->field[x][y] == EL_SP_INFOTRON) - level->gems_needed++; + case 0x161d: /* (blue steel) */ + element = EL_STEEL_CHAR_I; + break; - level->gems_needed &= 0xff; /* only use low byte -- see above */ - } + case 0x161e: /* (blue steel) */ + element = EL_STEEL_CHAR_J; + break; - level->fieldx = SP_LEVEL_XSIZE; - level->fieldy = SP_LEVEL_YSIZE; + case 0x161f: /* (blue steel) */ + element = EL_STEEL_CHAR_K; + break; - level->time = 0; /* no time limit */ - level->amoeba_speed = 0; - level->time_magic_wall = 0; - level->time_wheel = 0; - level->amoeba_content = EL_EMPTY; + case 0x1620: /* (blue steel) */ + element = EL_STEEL_CHAR_L; + break; -#if 1 - /* original Supaplex does not use score values -- use default values */ -#else - for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) - level->score[i] = 0; -#endif + case 0x1621: /* (blue steel) */ + element = EL_STEEL_CHAR_M; + break; - /* there are no yamyams in supaplex levels */ - for (i = 0; i < level->num_yamyam_contents; i++) - for (y = 0; y < 3; y++) - for (x = 0; x < 3; x++) - level->yamyam_content[i].e[x][y] = EL_EMPTY; -} + case 0x1622: /* (blue steel) */ + element = EL_STEEL_CHAR_N; + break; -static void LoadLevelFromFileInfo_SP(struct LevelInfo *level, - struct LevelFileInfo *level_file_info) -{ - char *filename = level_file_info->filename; - FILE *file; - int nr = level_file_info->nr - leveldir_current->first_level; - int i, l, x, y; - char name_first, name_last; - struct LevelInfo multipart_level; - int multipart_xpos, multipart_ypos; - boolean is_multipart_level; - boolean is_first_part; - boolean reading_multipart_level = FALSE; - boolean use_empty_level = FALSE; + case 0x1623: /* (blue steel) */ + element = EL_STEEL_CHAR_O; + break; - if (!(file = fopen(filename, MODE_READ))) - { - level->no_valid_file = TRUE; + case 0x1624: /* (blue steel) */ + element = EL_STEEL_CHAR_P; + break; - Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + case 0x1625: /* (blue steel) */ + element = EL_STEEL_CHAR_Q; + break; - return; - } + case 0x1626: /* (blue steel) */ + element = EL_STEEL_CHAR_R; + break; - /* position file stream to the requested level inside the level package */ - if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0) - { - level->no_valid_file = TRUE; + case 0x1627: /* (blue steel) */ + element = EL_STEEL_CHAR_S; + break; - Error(ERR_WARN, "cannot fseek level '%s' -- using empty level", filename); + case 0x1628: /* (blue steel) */ + element = EL_STEEL_CHAR_T; + break; - return; - } + case 0x1629: /* (blue steel) */ + element = EL_STEEL_CHAR_U; + break; - /* there exist Supaplex level package files with multi-part levels which - can be detected as follows: instead of leading and trailing dashes ('-') - to pad the level name, they have leading and trailing numbers which are - the x and y coordinations of the current part of the multi-part level; - if there are '?' characters instead of numbers on the left or right side - of the level name, the multi-part level consists of only horizontal or - vertical parts */ + case 0x162a: /* (blue steel) */ + element = EL_STEEL_CHAR_V; + break; - for (l = nr; l < NUM_SUPAPLEX_LEVELS_PER_PACKAGE; l++) - { - LoadLevelFromFileStream_SP(file, level, l); + case 0x162b: /* (blue steel) */ + element = EL_STEEL_CHAR_W; + break; - /* check if this level is a part of a bigger multi-part level */ + case 0x162c: /* (blue steel) */ + element = EL_STEEL_CHAR_X; + break; - name_first = level->name[0]; - name_last = level->name[SP_LEVEL_NAME_LEN - 1]; + case 0x162d: /* (blue steel) */ + element = EL_STEEL_CHAR_Y; + break; - is_multipart_level = - ((name_first == '?' || (name_first >= '0' && name_first <= '9')) && - (name_last == '?' || (name_last >= '0' && name_last <= '9'))); + case 0x162e: /* (blue steel) */ + element = EL_STEEL_CHAR_Z; + break; - is_first_part = - ((name_first == '?' || name_first == '1') && - (name_last == '?' || name_last == '1')); + case 0x162f: /* (blue steel) */ + element = EL_STEEL_CHAR_AUMLAUT; + break; - /* correct leading multipart level meta information in level name */ - for (i = 0; i < SP_LEVEL_NAME_LEN && level->name[i] == name_first; i++) - level->name[i] = '-'; + case 0x1630: /* (blue steel) */ + element = EL_STEEL_CHAR_OUMLAUT; + break; - /* correct trailing multipart level meta information in level name */ - for (i = SP_LEVEL_NAME_LEN - 1; i >= 0 && level->name[i] == name_last; i--) - level->name[i] = '-'; + case 0x1631: /* (blue steel) */ + element = EL_STEEL_CHAR_UUMLAUT; + break; - /* ---------- check for normal single level ---------- */ + case 0x1632: /* (blue steel) */ + element = EL_STEEL_CHAR_0; + break; - if (!reading_multipart_level && !is_multipart_level) - { - /* the current level is simply a normal single-part level, and we are - not reading a multi-part level yet, so return the level as it is */ + case 0x1633: /* (blue steel) */ + element = EL_STEEL_CHAR_1; + break; + case 0x1634: /* (blue steel) */ + element = EL_STEEL_CHAR_2; break; - } - /* ---------- check for empty level (unused multi-part) ---------- */ + case 0x1635: /* (blue steel) */ + element = EL_STEEL_CHAR_3; + break; - if (!reading_multipart_level && is_multipart_level && !is_first_part) - { - /* this is a part of a multi-part level, but not the first part - (and we are not already reading parts of a multi-part level); - in this case, use an empty level instead of the single part */ + case 0x1636: /* (blue steel) */ + element = EL_STEEL_CHAR_4; + break; - use_empty_level = TRUE; + case 0x1637: /* (blue steel) */ + element = EL_STEEL_CHAR_5; + break; + case 0x1638: /* (blue steel) */ + element = EL_STEEL_CHAR_6; break; - } - /* ---------- check for finished multi-part level ---------- */ + case 0x1639: /* (blue steel) */ + element = EL_STEEL_CHAR_7; + break; - if (reading_multipart_level && - (!is_multipart_level || - !strEqual(level->name, multipart_level.name))) - { - /* we are already reading parts of a multi-part level, but this level is - either not a multi-part level, or a part of a different multi-part - level; in both cases, the multi-part level seems to be complete */ + case 0x163a: /* (blue steel) */ + element = EL_STEEL_CHAR_8; + break; + case 0x163b: /* (blue steel) */ + element = EL_STEEL_CHAR_9; break; - } - /* ---------- here we have one part of a multi-part level ---------- */ + case 0x163c: /* (blue steel) */ + element = EL_STEEL_CHAR_PERIOD; + break; - reading_multipart_level = TRUE; + case 0x163d: /* (blue steel) */ + element = EL_STEEL_CHAR_EXCLAM; + break; - if (is_first_part) /* start with first part of new multi-part level */ - { - /* copy level info structure from first part */ - multipart_level = *level; + case 0x163e: /* (blue steel) */ + element = EL_STEEL_CHAR_COLON; + break; - /* clear playfield of new multi-part level */ - for (y = 0; y < MAX_LEV_FIELDY; y++) - for (x = 0; x < MAX_LEV_FIELDX; x++) - multipart_level.field[x][y] = EL_EMPTY; - } + case 0x163f: /* (blue steel) */ + element = EL_STEEL_CHAR_LESS; + break; - if (name_first == '?') - name_first = '1'; - if (name_last == '?') - name_last = '1'; + case 0x1640: /* (blue steel) */ + element = EL_STEEL_CHAR_GREATER; + break; - multipart_xpos = (int)(name_first - '0'); - multipart_ypos = (int)(name_last - '0'); + case 0x1641: /* (blue steel) */ + element = EL_STEEL_CHAR_QUESTION; + break; -#if 0 - printf("----------> part (%d/%d) of multi-part level '%s'\n", - multipart_xpos, multipart_ypos, multipart_level.name); -#endif + case 0x1642: /* (blue steel) */ + element = EL_STEEL_CHAR_COPYRIGHT; + break; - if (multipart_xpos * SP_LEVEL_XSIZE > MAX_LEV_FIELDX || - multipart_ypos * SP_LEVEL_YSIZE > MAX_LEV_FIELDY) - { - Error(ERR_WARN, "multi-part level is too big -- ignoring part of it"); + case 0x1643: /* (blue steel) */ + element = EL_STEEL_CHAR_UP; + break; + case 0x1644: /* (blue steel) */ + element = EL_STEEL_CHAR_DOWN; break; - } - multipart_level.fieldx = MAX(multipart_level.fieldx, - multipart_xpos * SP_LEVEL_XSIZE); - multipart_level.fieldy = MAX(multipart_level.fieldy, - multipart_ypos * SP_LEVEL_YSIZE); + case 0x1645: /* (blue steel) */ + element = EL_STEEL_CHAR_BUTTON; + break; - /* copy level part at the right position of multi-part level */ - for (y = 0; y < SP_LEVEL_YSIZE; y++) - { - for (x = 0; x < SP_LEVEL_XSIZE; x++) - { - int start_x = (multipart_xpos - 1) * SP_LEVEL_XSIZE; - int start_y = (multipart_ypos - 1) * SP_LEVEL_YSIZE; + case 0x1646: /* (blue steel) */ + element = EL_STEEL_CHAR_PLUS; + break; - multipart_level.field[start_x + x][start_y + y] = level->field[x][y]; - } - } - } + case 0x1647: /* (blue steel) */ + element = EL_STEEL_CHAR_MINUS; + break; - fclose(file); + case 0x1648: /* (blue steel) */ + element = EL_STEEL_CHAR_APOSTROPHE; + break; - if (use_empty_level) - { - setLevelInfoToDefaults(level); + case 0x1649: /* (blue steel) */ + element = EL_STEEL_CHAR_PARENLEFT; + break; - level->fieldx = SP_LEVEL_XSIZE; - level->fieldy = SP_LEVEL_YSIZE; + case 0x164a: /* (blue steel) */ + element = EL_STEEL_CHAR_PARENRIGHT; + break; - for (y = 0; y < SP_LEVEL_YSIZE; y++) - for (x = 0; x < SP_LEVEL_XSIZE; x++) - level->field[x][y] = EL_EMPTY; + case 0x164b: /* (green steel) */ + element = EL_STEEL_CHAR_A; + break; - strcpy(level->name, "-------- EMPTY --------"); + case 0x164c: /* (green steel) */ + element = EL_STEEL_CHAR_B; + break; - Error(ERR_WARN, "single part of multi-part level -- using empty level"); - } + case 0x164d: /* (green steel) */ + element = EL_STEEL_CHAR_C; + break; - if (reading_multipart_level) - *level = multipart_level; -} + case 0x164e: /* (green steel) */ + element = EL_STEEL_CHAR_D; + break; + case 0x164f: /* (green steel) */ + element = EL_STEEL_CHAR_E; + break; -#define DC_LEVEL_HEADER_SIZE 344 + case 0x1650: /* (green steel) */ + element = EL_STEEL_CHAR_F; + break; -unsigned short getDecodedWord_DC(unsigned short data_encoded, boolean init) -{ - static int last_data_encoded; - static int offset1; - static int offset2; - int diff; - int diff_hi, diff_lo; - int data_hi, data_lo; - unsigned short data_decoded; + case 0x1651: /* (green steel) */ + element = EL_STEEL_CHAR_G; + break; - if (init) - { - last_data_encoded = 0; - offset1 = -1; - offset2 = 0; + case 0x1652: /* (green steel) */ + element = EL_STEEL_CHAR_H; + break; + + case 0x1653: /* (green steel) */ + element = EL_STEEL_CHAR_I; + break; - return 0; - } + case 0x1654: /* (green steel) */ + element = EL_STEEL_CHAR_J; + break; - diff = data_encoded - last_data_encoded; - diff_hi = diff & ~0xff; - diff_lo = diff & 0xff; + case 0x1655: /* (green steel) */ + element = EL_STEEL_CHAR_K; + break; - offset2 += diff_lo; + case 0x1656: /* (green steel) */ + element = EL_STEEL_CHAR_L; + break; - data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00); - data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff; - data_hi = data_hi & 0xff00; + case 0x1657: /* (green steel) */ + element = EL_STEEL_CHAR_M; + break; - data_decoded = data_hi | data_lo; + case 0x1658: /* (green steel) */ + element = EL_STEEL_CHAR_N; + break; - last_data_encoded = data_encoded; + case 0x1659: /* (green steel) */ + element = EL_STEEL_CHAR_O; + break; - offset1 = (offset1 + 1) % 31; - offset2 = offset2 & 0xff; + case 0x165a: /* (green steel) */ + element = EL_STEEL_CHAR_P; + break; - return data_decoded; -} + case 0x165b: /* (green steel) */ + element = EL_STEEL_CHAR_Q; + break; -int getMappedElement_DC(int element) -{ - switch (element) - { - case 0x0000: - element = EL_ROCK; + case 0x165c: /* (green steel) */ + element = EL_STEEL_CHAR_R; break; - /* 0x0117 - 0x036e: (?) */ - /* EL_DIAMOND */ + case 0x165d: /* (green steel) */ + element = EL_STEEL_CHAR_S; + break; - /* 0x042d - 0x0684: (?) */ - /* EL_EMERALD */ + case 0x165e: /* (green steel) */ + element = EL_STEEL_CHAR_T; + break; - case 0x06f1: - element = EL_NUT; + case 0x165f: /* (green steel) */ + element = EL_STEEL_CHAR_U; break; - case 0x074c: - element = EL_BOMB; + case 0x1660: /* (green steel) */ + element = EL_STEEL_CHAR_V; break; - case 0x07a4: - element = EL_PEARL; + case 0x1661: /* (green steel) */ + element = EL_STEEL_CHAR_W; break; - case 0x0823: - element = EL_CRYSTAL; + case 0x1662: /* (green steel) */ + element = EL_STEEL_CHAR_X; break; - case 0x0e77: /* quicksand (boulder) */ - element = EL_QUICKSAND_FAST_FULL; + case 0x1663: /* (green steel) */ + element = EL_STEEL_CHAR_Y; break; - case 0x0e99: /* slow quicksand (boulder) */ - element = EL_QUICKSAND_FULL; + case 0x1664: /* (green steel) */ + element = EL_STEEL_CHAR_Z; break; - case 0x0ed2: - element = EL_EM_EXIT_OPEN; + case 0x1665: /* (green steel) */ + element = EL_STEEL_CHAR_AUMLAUT; break; - case 0x0ee3: - element = EL_EM_EXIT_CLOSED; + case 0x1666: /* (green steel) */ + element = EL_STEEL_CHAR_OUMLAUT; break; - case 0x0eeb: - element = EL_EM_STEEL_EXIT_OPEN; + case 0x1667: /* (green steel) */ + element = EL_STEEL_CHAR_UUMLAUT; break; - case 0x0efc: - element = EL_EM_STEEL_EXIT_CLOSED; + case 0x1668: /* (green steel) */ + element = EL_STEEL_CHAR_0; break; - case 0x0f4f: /* dynamite (lit 1) */ - element = EL_EM_DYNAMITE_ACTIVE; + case 0x1669: /* (green steel) */ + element = EL_STEEL_CHAR_1; break; - case 0x0f57: /* dynamite (lit 2) */ - element = EL_EM_DYNAMITE_ACTIVE; + case 0x166a: /* (green steel) */ + element = EL_STEEL_CHAR_2; break; - case 0x0f5f: /* dynamite (lit 3) */ - element = EL_EM_DYNAMITE_ACTIVE; + case 0x166b: /* (green steel) */ + element = EL_STEEL_CHAR_3; break; - case 0x0f67: /* dynamite (lit 4) */ - element = EL_EM_DYNAMITE_ACTIVE; + case 0x166c: /* (green steel) */ + element = EL_STEEL_CHAR_4; break; - case 0x0f81: - case 0x0f82: - case 0x0f83: - case 0x0f84: - element = EL_AMOEBA_WET; + case 0x166d: /* (green steel) */ + element = EL_STEEL_CHAR_5; break; - case 0x0f85: - element = EL_AMOEBA_DROP; + case 0x166e: /* (green steel) */ + element = EL_STEEL_CHAR_6; break; - case 0x0fb9: - element = EL_DC_MAGIC_WALL; + case 0x166f: /* (green steel) */ + element = EL_STEEL_CHAR_7; break; - case 0x0fd0: - element = EL_SPACESHIP_UP; + case 0x1670: /* (green steel) */ + element = EL_STEEL_CHAR_8; break; - case 0x0fd9: - element = EL_SPACESHIP_DOWN; + case 0x1671: /* (green steel) */ + element = EL_STEEL_CHAR_9; break; - case 0x0ff1: - element = EL_SPACESHIP_LEFT; + case 0x1672: /* (green steel) */ + element = EL_STEEL_CHAR_PERIOD; break; - case 0x0ff9: - element = EL_SPACESHIP_RIGHT; + case 0x1673: /* (green steel) */ + element = EL_STEEL_CHAR_EXCLAM; break; - case 0x1057: - element = EL_BUG_UP; + case 0x1674: /* (green steel) */ + element = EL_STEEL_CHAR_COLON; break; - case 0x1060: - element = EL_BUG_DOWN; + case 0x1675: /* (green steel) */ + element = EL_STEEL_CHAR_LESS; break; - case 0x1078: - element = EL_BUG_LEFT; + case 0x1676: /* (green steel) */ + element = EL_STEEL_CHAR_GREATER; break; - case 0x1080: - element = EL_BUG_RIGHT; + case 0x1677: /* (green steel) */ + element = EL_STEEL_CHAR_QUESTION; break; - case 0x10de: - element = EL_MOLE_UP; + case 0x1678: /* (green steel) */ + element = EL_STEEL_CHAR_COPYRIGHT; break; - case 0x10e7: - element = EL_MOLE_DOWN; + case 0x1679: /* (green steel) */ + element = EL_STEEL_CHAR_UP; break; - case 0x10ff: - element = EL_MOLE_LEFT; + case 0x167a: /* (green steel) */ + element = EL_STEEL_CHAR_DOWN; break; - case 0x1107: - element = EL_MOLE_RIGHT; + case 0x167b: /* (green steel) */ + element = EL_STEEL_CHAR_BUTTON; break; - case 0x11c0: - element = EL_ROBOT; + case 0x167c: /* (green steel) */ + element = EL_STEEL_CHAR_PLUS; break; - case 0x13f5: - element = EL_YAMYAM; + case 0x167d: /* (green steel) */ + element = EL_STEEL_CHAR_MINUS; break; - case 0x1425: - element = EL_SWITCHGATE_OPEN; + case 0x167e: /* (green steel) */ + element = EL_STEEL_CHAR_APOSTROPHE; break; - case 0x1426: - element = EL_SWITCHGATE_CLOSED; + case 0x167f: /* (green steel) */ + element = EL_STEEL_CHAR_PARENLEFT; break; - case 0x1437: - element = EL_DC_SWITCHGATE_SWITCH_UP; + case 0x1680: /* (green steel) */ + element = EL_STEEL_CHAR_PARENRIGHT; break; - case 0x143a: - element = EL_TIMEGATE_CLOSED; + case 0x1681: /* gate (red) */ + element = EL_EM_GATE_1; break; - case 0x144c: /* conveyor belt switch (green) */ - element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE; + case 0x1682: /* secret gate (red) */ + element = EL_GATE_1_GRAY; break; - case 0x144f: /* conveyor belt switch (red) */ - element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE; + case 0x1683: /* gate (yellow) */ + element = EL_EM_GATE_2; break; - case 0x1452: /* conveyor belt switch (blue) */ - element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE; + case 0x1684: /* secret gate (yellow) */ + element = EL_GATE_2_GRAY; break; - case 0x145b: - element = EL_CONVEYOR_BELT_3_MIDDLE; + case 0x1685: /* gate (blue) */ + element = EL_EM_GATE_4; break; - case 0x1463: - element = EL_CONVEYOR_BELT_3_LEFT; + case 0x1686: /* secret gate (blue) */ + element = EL_GATE_4_GRAY; break; - case 0x146b: - element = EL_CONVEYOR_BELT_3_RIGHT; + case 0x1687: /* gate (green) */ + element = EL_EM_GATE_3; break; - case 0x1473: - element = EL_CONVEYOR_BELT_1_MIDDLE; + case 0x1688: /* secret gate (green) */ + element = EL_GATE_3_GRAY; break; - case 0x147b: - element = EL_CONVEYOR_BELT_1_LEFT; + case 0x1689: /* gate (white) */ + element = EL_DC_GATE_WHITE; break; - case 0x1483: - element = EL_CONVEYOR_BELT_1_RIGHT; + case 0x168a: /* secret gate (white) */ + element = EL_DC_GATE_WHITE_GRAY; break; - case 0x148b: - element = EL_CONVEYOR_BELT_4_MIDDLE; + case 0x168b: /* secret gate (no key) */ + element = EL_DC_GATE_FAKE_GRAY; break; - case 0x1493: - element = EL_CONVEYOR_BELT_4_LEFT; + case 0x168c: + element = EL_ROBOT_WHEEL; break; - case 0x149b: - element = EL_CONVEYOR_BELT_4_RIGHT; + case 0x168d: + element = EL_DC_TIMEGATE_SWITCH; break; - case 0x14ac: - element = EL_EXPANDABLE_WALL_HORIZONTAL; + case 0x168e: + element = EL_ACID_POOL_BOTTOM; break; - case 0x14bd: - element = EL_EXPANDABLE_WALL_VERTICAL; + case 0x168f: + element = EL_ACID_POOL_TOPLEFT; break; - case 0x14c6: - element = EL_EXPANDABLE_WALL_ANY; + case 0x1690: + element = EL_ACID_POOL_TOPRIGHT; break; - case 0x14ce: /* growing steel wall (left/right) */ - element = EL_EXPANDABLE_STEELWALL_HORIZONTAL; + case 0x1691: + element = EL_ACID_POOL_BOTTOMLEFT; break; - case 0x14df: /* growing steel wall (up/down) */ - element = EL_EXPANDABLE_STEELWALL_VERTICAL; + case 0x1692: + element = EL_ACID_POOL_BOTTOMRIGHT; break; - case 0x14e8: /* growing steel wall (up/down/left/right) */ - element = EL_EXPANDABLE_STEELWALL_ANY; + case 0x1693: + element = EL_STEELWALL; break; - case 0x14e9: - element = EL_SHIELD_DEADLY; + case 0x1694: + element = EL_STEELWALL_SLIPPERY; break; - case 0x1501: - element = EL_EXTRA_TIME; + case 0x1695: /* steel wall (not round) */ + element = EL_STEELWALL; break; - case 0x154f: - element = EL_ACID; + case 0x1696: /* steel wall (left) */ + element = EL_DC_STEELWALL_1_LEFT; break; - case 0x1577: - element = EL_EMPTY_SPACE; + case 0x1697: /* steel wall (bottom) */ + element = EL_DC_STEELWALL_1_BOTTOM; break; - case 0x1578: /* quicksand (empty) */ - element = EL_QUICKSAND_FAST_EMPTY; + case 0x1698: /* steel wall (right) */ + element = EL_DC_STEELWALL_1_RIGHT; break; - case 0x1579: /* slow quicksand (empty) */ - element = EL_QUICKSAND_EMPTY; + case 0x1699: /* steel wall (top) */ + element = EL_DC_STEELWALL_1_TOP; break; - /* 0x157c - 0x158b: */ - /* EL_SAND */ + case 0x169a: /* steel wall (left/bottom) */ + element = EL_DC_STEELWALL_1_BOTTOMLEFT; + break; - /* 0x1590 - 0x159f: */ - /* EL_DC_LANDMINE */ + case 0x169b: /* steel wall (right/bottom) */ + element = EL_DC_STEELWALL_1_BOTTOMRIGHT; + break; - case 0x15a0: - element = EL_EM_DYNAMITE; + case 0x169c: /* steel wall (right/top) */ + element = EL_DC_STEELWALL_1_TOPRIGHT; break; - case 0x15a1: /* key (red) */ - element = EL_EM_KEY_1; + case 0x169d: /* steel wall (left/top) */ + element = EL_DC_STEELWALL_1_TOPLEFT; break; - case 0x15a2: /* key (yellow) */ - element = EL_EM_KEY_2; + case 0x169e: /* steel wall (right/bottom small) */ + element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2; break; - case 0x15a3: /* key (blue) */ - element = EL_EM_KEY_4; + case 0x169f: /* steel wall (left/bottom small) */ + element = EL_DC_STEELWALL_1_BOTTOMLEFT_2; break; - case 0x15a4: /* key (green) */ - element = EL_EM_KEY_3; + case 0x16a0: /* steel wall (right/top small) */ + element = EL_DC_STEELWALL_1_TOPRIGHT_2; break; - case 0x15a5: /* key (white) */ - element = EL_DC_KEY_WHITE; + case 0x16a1: /* steel wall (left/top small) */ + element = EL_DC_STEELWALL_1_TOPLEFT_2; break; - case 0x15a6: - element = EL_WALL_SLIPPERY; + case 0x16a2: /* steel wall (left/right) */ + element = EL_DC_STEELWALL_1_VERTICAL; break; - case 0x15a7: - element = EL_WALL; + case 0x16a3: /* steel wall (top/bottom) */ + element = EL_DC_STEELWALL_1_HORIZONTAL; break; - case 0x15a8: /* wall (not round) */ - element = EL_WALL; + case 0x16a4: /* steel wall 2 (left end) */ + element = EL_DC_STEELWALL_2_LEFT; break; - case 0x15a9: /* (blue) */ - element = EL_CHAR_A; + case 0x16a5: /* steel wall 2 (right end) */ + element = EL_DC_STEELWALL_2_RIGHT; break; - case 0x15aa: /* (blue) */ - element = EL_CHAR_B; + case 0x16a6: /* steel wall 2 (top end) */ + element = EL_DC_STEELWALL_2_TOP; break; - case 0x15ab: /* (blue) */ - element = EL_CHAR_C; + case 0x16a7: /* steel wall 2 (bottom end) */ + element = EL_DC_STEELWALL_2_BOTTOM; break; - case 0x15ac: /* (blue) */ - element = EL_CHAR_D; + case 0x16a8: /* steel wall 2 (left/right) */ + element = EL_DC_STEELWALL_2_HORIZONTAL; break; - case 0x15ad: /* (blue) */ - element = EL_CHAR_E; + case 0x16a9: /* steel wall 2 (up/down) */ + element = EL_DC_STEELWALL_2_VERTICAL; break; - case 0x15ae: /* (blue) */ - element = EL_CHAR_F; + case 0x16aa: /* steel wall 2 (mid) */ + element = EL_DC_STEELWALL_2_MIDDLE; break; - case 0x15af: /* (blue) */ - element = EL_CHAR_G; + case 0x16ab: + element = EL_SIGN_EXCLAMATION; break; - case 0x15b0: /* (blue) */ - element = EL_CHAR_H; + case 0x16ac: + element = EL_SIGN_RADIOACTIVITY; break; - case 0x15b1: /* (blue) */ - element = EL_CHAR_I; + case 0x16ad: + element = EL_SIGN_STOP; break; - case 0x15b2: /* (blue) */ - element = EL_CHAR_J; + case 0x16ae: + element = EL_SIGN_WHEELCHAIR; break; - case 0x15b3: /* (blue) */ - element = EL_CHAR_K; + case 0x16af: + element = EL_SIGN_PARKING; break; - case 0x15b4: /* (blue) */ - element = EL_CHAR_L; + case 0x16b0: + element = EL_SIGN_NO_ENTRY; break; - case 0x15b5: /* (blue) */ - element = EL_CHAR_M; + case 0x16b1: + element = EL_SIGN_HEART; break; - case 0x15b6: /* (blue) */ - element = EL_CHAR_N; + case 0x16b2: + element = EL_SIGN_GIVE_WAY; break; - case 0x15b7: /* (blue) */ - element = EL_CHAR_O; + case 0x16b3: + element = EL_SIGN_ENTRY_FORBIDDEN; break; - case 0x15b8: /* (blue) */ - element = EL_CHAR_P; + case 0x16b4: + element = EL_SIGN_EMERGENCY_EXIT; break; - case 0x15b9: /* (blue) */ - element = EL_CHAR_Q; + case 0x16b5: + element = EL_SIGN_YIN_YANG; break; - case 0x15ba: /* (blue) */ - element = EL_CHAR_R; + case 0x16b6: + element = EL_WALL_EMERALD; break; - case 0x15bb: /* (blue) */ - element = EL_CHAR_S; + case 0x16b7: + element = EL_WALL_DIAMOND; break; - case 0x15bc: /* (blue) */ - element = EL_CHAR_T; + case 0x16b8: + element = EL_WALL_PEARL; break; - case 0x15bd: /* (blue) */ - element = EL_CHAR_U; + case 0x16b9: + element = EL_WALL_CRYSTAL; break; - case 0x15be: /* (blue) */ - element = EL_CHAR_V; + case 0x16ba: + element = EL_INVISIBLE_WALL; break; - case 0x15bf: /* (blue) */ - element = EL_CHAR_W; + case 0x16bb: + element = EL_INVISIBLE_STEELWALL; break; - case 0x15c0: /* (blue) */ - element = EL_CHAR_X; + /* 0x16bc - 0x16cb: */ + /* EL_INVISIBLE_SAND */ + + case 0x16cc: + element = EL_LIGHT_SWITCH; break; - case 0x15c1: /* (blue) */ - element = EL_CHAR_Y; + case 0x16cd: + element = EL_ENVELOPE_1; break; - case 0x15c2: /* (blue) */ - element = EL_CHAR_Z; + default: + if (element >= 0x0117 && element <= 0x036e) /* (?) */ + element = EL_DIAMOND; + else if (element >= 0x042d && element <= 0x0684) /* (?) */ + element = EL_EMERALD; + else if (element >= 0x157c && element <= 0x158b) + element = EL_SAND; + else if (element >= 0x1590 && element <= 0x159f) + element = EL_DC_LANDMINE; + else if (element >= 0x16bc && element <= 0x16cb) + element = EL_INVISIBLE_SAND; + else + { + Error(ERR_WARN, "unknown Diamond Caves element 0x%04x", element); + element = EL_UNKNOWN; + } break; + } + + return getMappedElement(element); +} + +#if 1 + +#if 1 + +static void LoadLevelFromFileStream_DC(File *file, struct LevelInfo *level, + int nr) +{ + byte header[DC_LEVEL_HEADER_SIZE]; + int envelope_size; + int envelope_header_pos = 62; + int envelope_content_pos = 94; + int level_name_pos = 251; + int level_author_pos = 292; + int envelope_header_len; + int envelope_content_len; + int level_name_len; + int level_author_len; + int fieldx, fieldy; + int num_yamyam_contents; + int i, x, y; + + getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */ + + for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++) + { + unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE); + + header[i * 2 + 0] = header_word >> 8; + header[i * 2 + 1] = header_word & 0xff; + } + + /* read some values from level header to check level decoding integrity */ + fieldx = header[6] | (header[7] << 8); + fieldy = header[8] | (header[9] << 8); + num_yamyam_contents = header[60] | (header[61] << 8); + + /* do some simple sanity checks to ensure that level was correctly decoded */ + if (fieldx < 1 || fieldx > 256 || + fieldy < 1 || fieldy > 256 || + num_yamyam_contents < 1 || num_yamyam_contents > 8) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "cannot decode level from stream -- using empty level"); + + return; + } + + /* maximum envelope header size is 31 bytes */ + envelope_header_len = header[envelope_header_pos]; + /* maximum envelope content size is 110 (156?) bytes */ + envelope_content_len = header[envelope_content_pos]; - case 0x15c3: /* (blue) */ - element = EL_CHAR_AUMLAUT; - break; + /* maximum level title size is 40 bytes */ + level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN); + /* maximum level author size is 30 (51?) bytes */ + level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN); - case 0x15c4: /* (blue) */ - element = EL_CHAR_OUMLAUT; - break; + envelope_size = 0; - case 0x15c5: /* (blue) */ - element = EL_CHAR_UUMLAUT; - break; + for (i = 0; i < envelope_header_len; i++) + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = + header[envelope_header_pos + 1 + i]; - case 0x15c6: /* (blue) */ - element = EL_CHAR_0; - break; + if (envelope_header_len > 0 && envelope_content_len > 0) + { + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = '\n'; + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = '\n'; + } - case 0x15c7: /* (blue) */ - element = EL_CHAR_1; - break; + for (i = 0; i < envelope_content_len; i++) + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = + header[envelope_content_pos + 1 + i]; - case 0x15c8: /* (blue) */ - element = EL_CHAR_2; - break; + level->envelope[0].text[envelope_size] = '\0'; - case 0x15c9: /* (blue) */ - element = EL_CHAR_3; - break; + level->envelope[0].xsize = MAX_ENVELOPE_XSIZE; + level->envelope[0].ysize = 10; + level->envelope[0].autowrap = TRUE; + level->envelope[0].centered = TRUE; - case 0x15ca: /* (blue) */ - element = EL_CHAR_4; - break; + for (i = 0; i < level_name_len; i++) + level->name[i] = header[level_name_pos + 1 + i]; + level->name[level_name_len] = '\0'; - case 0x15cb: /* (blue) */ - element = EL_CHAR_5; - break; + for (i = 0; i < level_author_len; i++) + level->author[i] = header[level_author_pos + 1 + i]; + level->author[level_author_len] = '\0'; - case 0x15cc: /* (blue) */ - element = EL_CHAR_6; - break; + num_yamyam_contents = header[60] | (header[61] << 8); + level->num_yamyam_contents = + MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS); - case 0x15cd: /* (blue) */ - element = EL_CHAR_7; - break; + for (i = 0; i < num_yamyam_contents; i++) + { + for (y = 0; y < 3; y++) for (x = 0; x < 3; x++) + { + unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); +#if 1 + int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); +#else + int element_dc = word; +#endif - case 0x15ce: /* (blue) */ - element = EL_CHAR_8; - break; + if (i < MAX_ELEMENT_CONTENTS) + level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc); + } + } - case 0x15cf: /* (blue) */ - element = EL_CHAR_9; - break; + fieldx = header[6] | (header[7] << 8); + fieldy = header[8] | (header[9] << 8); + level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX); + level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY); - case 0x15d0: /* (blue) */ - element = EL_CHAR_PERIOD; - break; + for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++) + { + unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); +#if 1 + int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); +#else + int element_dc = word; +#endif - case 0x15d1: /* (blue) */ - element = EL_CHAR_EXCLAM; - break; + if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY) + level->field[x][y] = getMappedElement_DC(element_dc); + } - case 0x15d2: /* (blue) */ - element = EL_CHAR_COLON; - break; + x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1); + y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1); + level->field[x][y] = EL_PLAYER_1; - case 0x15d3: /* (blue) */ - element = EL_CHAR_LESS; - break; + x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1); + y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1); + level->field[x][y] = EL_PLAYER_2; - case 0x15d4: /* (blue) */ - element = EL_CHAR_GREATER; - break; + level->gems_needed = header[18] | (header[19] << 8); - case 0x15d5: /* (blue) */ - element = EL_CHAR_QUESTION; - break; + level->score[SC_EMERALD] = header[20] | (header[21] << 8); + level->score[SC_DIAMOND] = header[22] | (header[23] << 8); + level->score[SC_PEARL] = header[24] | (header[25] << 8); + level->score[SC_CRYSTAL] = header[26] | (header[27] << 8); + level->score[SC_NUT] = header[28] | (header[29] << 8); + level->score[SC_ROBOT] = header[30] | (header[31] << 8); + level->score[SC_SPACESHIP] = header[32] | (header[33] << 8); + level->score[SC_BUG] = header[34] | (header[35] << 8); + level->score[SC_YAMYAM] = header[36] | (header[37] << 8); + level->score[SC_DYNAMITE] = header[38] | (header[39] << 8); + level->score[SC_KEY] = header[40] | (header[41] << 8); + level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8); - case 0x15d6: /* (blue) */ - element = EL_CHAR_COPYRIGHT; - break; + level->time = header[44] | (header[45] << 8); - case 0x15d7: /* (blue) */ - element = EL_CHAR_UP; - break; + level->amoeba_speed = header[46] | (header[47] << 8); + level->time_light = header[48] | (header[49] << 8); + level->time_timegate = header[50] | (header[51] << 8); + level->time_wheel = header[52] | (header[53] << 8); + level->time_magic_wall = header[54] | (header[55] << 8); + level->extra_time = header[56] | (header[57] << 8); + level->shield_normal_time = header[58] | (header[59] << 8); - case 0x15d8: /* (blue) */ - element = EL_CHAR_DOWN; - break; + /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems + can slip down from flat walls, like normal walls and steel walls */ + level->em_slippery_gems = TRUE; - case 0x15d9: /* (blue) */ - element = EL_CHAR_BUTTON; - break; +#if 0 + /* Diamond Caves II levels are always surrounded by indestructible wall, but + not necessarily in a rectangular way -- fill with invisible steel wall */ - case 0x15da: /* (blue) */ - element = EL_CHAR_PLUS; - break; + /* !!! not always true !!! keep level and set BorderElement instead !!! */ - case 0x15db: /* (blue) */ - element = EL_CHAR_MINUS; - break; + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + { +#if 1 + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == EL_EMPTY) + level->field[x][y] = EL_INVISIBLE_STEELWALL; +#else + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == EL_EMPTY) + FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL, + level->field, level->fieldx, level->fieldy); +#endif + } +#endif +} - case 0x15dc: /* (blue) */ - element = EL_CHAR_APOSTROPHE; - break; +static void LoadLevelFromFileInfo_DC(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + char *filename = level_file_info->filename; + File *file; + int num_magic_bytes = 8; + char magic_bytes[num_magic_bytes + 1]; + int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level; - case 0x15dd: /* (blue) */ - element = EL_CHAR_PARENLEFT; - break; + if (!(file = openFile(filename, MODE_READ))) + { + level->no_valid_file = TRUE; - case 0x15de: /* (blue) */ - element = EL_CHAR_PARENRIGHT; - break; + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); - case 0x15df: /* (green) */ - element = EL_CHAR_A; - break; + return; + } - case 0x15e0: /* (green) */ - element = EL_CHAR_B; - break; + // fseek(file, 0x0000, SEEK_SET); - case 0x15e1: /* (green) */ - element = EL_CHAR_C; - break; + if (level_file_info->packed) + { + /* read "magic bytes" from start of file */ + if (getStringFromFile(file, magic_bytes, num_magic_bytes + 1) == NULL) + magic_bytes[0] = '\0'; - case 0x15e2: /* (green) */ - element = EL_CHAR_D; - break; + /* check "magic bytes" for correct file format */ + if (!strPrefix(magic_bytes, "DC2")) + { + level->no_valid_file = TRUE; - case 0x15e3: /* (green) */ - element = EL_CHAR_E; - break; + Error(ERR_WARN, "unknown DC level file '%s' -- using empty level", + filename); - case 0x15e4: /* (green) */ - element = EL_CHAR_F; - break; + return; + } - case 0x15e5: /* (green) */ - element = EL_CHAR_G; - break; + if (strPrefix(magic_bytes, "DC2Win95") || + strPrefix(magic_bytes, "DC2Win98")) + { + int position_first_level = 0x00fa; + int extra_bytes = 4; + int skip_bytes; - case 0x15e6: /* (green) */ - element = EL_CHAR_H; - break; + /* advance file stream to first level inside the level package */ + skip_bytes = position_first_level - num_magic_bytes - extra_bytes; - case 0x15e7: /* (green) */ - element = EL_CHAR_I; - break; + /* each block of level data is followed by block of non-level data */ + num_levels_to_skip *= 2; - case 0x15e8: /* (green) */ - element = EL_CHAR_J; - break; + /* at least skip header bytes, therefore use ">= 0" instead of "> 0" */ + while (num_levels_to_skip >= 0) + { + /* advance file stream to next level inside the level package */ + if (seekFile(file, skip_bytes, SEEK_CUR) != 0) + { + level->no_valid_file = TRUE; - case 0x15e9: /* (green) */ - element = EL_CHAR_K; - break; + Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", + filename); - case 0x15ea: /* (green) */ - element = EL_CHAR_L; - break; + return; + } - case 0x15eb: /* (green) */ - element = EL_CHAR_M; - break; + /* skip apparently unused extra bytes following each level */ + ReadUnusedBytesFromFile(file, extra_bytes); - case 0x15ec: /* (green) */ - element = EL_CHAR_N; - break; + /* read size of next level in level package */ + skip_bytes = getFile32BitLE(file); - case 0x15ed: /* (green) */ - element = EL_CHAR_O; - break; + num_levels_to_skip--; + } + } + else + { + level->no_valid_file = TRUE; - case 0x15ee: /* (green) */ - element = EL_CHAR_P; - break; + Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level", + filename); - case 0x15ef: /* (green) */ - element = EL_CHAR_Q; - break; + return; + } + } - case 0x15f0: /* (green) */ - element = EL_CHAR_R; - break; + LoadLevelFromFileStream_DC(file, level, level_file_info->nr); - case 0x15f1: /* (green) */ - element = EL_CHAR_S; - break; + closeFile(file); +} - case 0x15f2: /* (green) */ - element = EL_CHAR_T; - break; +#else - case 0x15f3: /* (green) */ - element = EL_CHAR_U; - break; +static void LoadLevelFromFileStream_DC(FILE *file, struct LevelInfo *level, + int nr) +{ + byte header[DC_LEVEL_HEADER_SIZE]; + int envelope_size; + int envelope_header_pos = 62; + int envelope_content_pos = 94; + int level_name_pos = 251; + int level_author_pos = 292; + int envelope_header_len; + int envelope_content_len; + int level_name_len; + int level_author_len; + int fieldx, fieldy; + int num_yamyam_contents; + int i, x, y; - case 0x15f4: /* (green) */ - element = EL_CHAR_V; - break; + getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */ - case 0x15f5: /* (green) */ - element = EL_CHAR_W; - break; + for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++) + { + unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE); - case 0x15f6: /* (green) */ - element = EL_CHAR_X; - break; + header[i * 2 + 0] = header_word >> 8; + header[i * 2 + 1] = header_word & 0xff; + } - case 0x15f7: /* (green) */ - element = EL_CHAR_Y; - break; + /* read some values from level header to check level decoding integrity */ + fieldx = header[6] | (header[7] << 8); + fieldy = header[8] | (header[9] << 8); + num_yamyam_contents = header[60] | (header[61] << 8); - case 0x15f8: /* (green) */ - element = EL_CHAR_Z; - break; + /* do some simple sanity checks to ensure that level was correctly decoded */ + if (fieldx < 1 || fieldx > 256 || + fieldy < 1 || fieldy > 256 || + num_yamyam_contents < 1 || num_yamyam_contents > 8) + { + level->no_valid_file = TRUE; - case 0x15f9: /* (green) */ - element = EL_CHAR_AUMLAUT; - break; + Error(ERR_WARN, "cannot decode level from stream -- using empty level"); - case 0x15fa: /* (green) */ - element = EL_CHAR_OUMLAUT; - break; + return; + } - case 0x15fb: /* (green) */ - element = EL_CHAR_UUMLAUT; - break; + /* maximum envelope header size is 31 bytes */ + envelope_header_len = header[envelope_header_pos]; + /* maximum envelope content size is 110 (156?) bytes */ + envelope_content_len = header[envelope_content_pos]; - case 0x15fc: /* (green) */ - element = EL_CHAR_0; - break; + /* maximum level title size is 40 bytes */ + level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN); + /* maximum level author size is 30 (51?) bytes */ + level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN); - case 0x15fd: /* (green) */ - element = EL_CHAR_1; - break; + envelope_size = 0; - case 0x15fe: /* (green) */ - element = EL_CHAR_2; - break; + for (i = 0; i < envelope_header_len; i++) + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = + header[envelope_header_pos + 1 + i]; - case 0x15ff: /* (green) */ - element = EL_CHAR_3; - break; + if (envelope_header_len > 0 && envelope_content_len > 0) + { + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = '\n'; + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = '\n'; + } - case 0x1600: /* (green) */ - element = EL_CHAR_4; - break; + for (i = 0; i < envelope_content_len; i++) + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = + header[envelope_content_pos + 1 + i]; - case 0x1601: /* (green) */ - element = EL_CHAR_5; - break; + level->envelope[0].text[envelope_size] = '\0'; - case 0x1602: /* (green) */ - element = EL_CHAR_6; - break; + level->envelope[0].xsize = MAX_ENVELOPE_XSIZE; + level->envelope[0].ysize = 10; + level->envelope[0].autowrap = TRUE; + level->envelope[0].centered = TRUE; - case 0x1603: /* (green) */ - element = EL_CHAR_7; - break; + for (i = 0; i < level_name_len; i++) + level->name[i] = header[level_name_pos + 1 + i]; + level->name[level_name_len] = '\0'; - case 0x1604: /* (green) */ - element = EL_CHAR_8; - break; + for (i = 0; i < level_author_len; i++) + level->author[i] = header[level_author_pos + 1 + i]; + level->author[level_author_len] = '\0'; - case 0x1605: /* (green) */ - element = EL_CHAR_9; - break; + num_yamyam_contents = header[60] | (header[61] << 8); + level->num_yamyam_contents = + MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS); - case 0x1606: /* (green) */ - element = EL_CHAR_PERIOD; - break; + for (i = 0; i < num_yamyam_contents; i++) + { + for (y = 0; y < 3; y++) for (x = 0; x < 3; x++) + { + unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); +#if 1 + int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); +#else + int element_dc = word; +#endif - case 0x1607: /* (green) */ - element = EL_CHAR_EXCLAM; - break; + if (i < MAX_ELEMENT_CONTENTS) + level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc); + } + } - case 0x1608: /* (green) */ - element = EL_CHAR_COLON; - break; + fieldx = header[6] | (header[7] << 8); + fieldy = header[8] | (header[9] << 8); + level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX); + level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY); - case 0x1609: /* (green) */ - element = EL_CHAR_LESS; - break; + for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++) + { + unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); +#if 1 + int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); +#else + int element_dc = word; +#endif - case 0x160a: /* (green) */ - element = EL_CHAR_GREATER; - break; + if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY) + level->field[x][y] = getMappedElement_DC(element_dc); + } - case 0x160b: /* (green) */ - element = EL_CHAR_QUESTION; - break; + x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1); + y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1); + level->field[x][y] = EL_PLAYER_1; - case 0x160c: /* (green) */ - element = EL_CHAR_COPYRIGHT; - break; + x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1); + y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1); + level->field[x][y] = EL_PLAYER_2; - case 0x160d: /* (green) */ - element = EL_CHAR_UP; - break; + level->gems_needed = header[18] | (header[19] << 8); - case 0x160e: /* (green) */ - element = EL_CHAR_DOWN; - break; + level->score[SC_EMERALD] = header[20] | (header[21] << 8); + level->score[SC_DIAMOND] = header[22] | (header[23] << 8); + level->score[SC_PEARL] = header[24] | (header[25] << 8); + level->score[SC_CRYSTAL] = header[26] | (header[27] << 8); + level->score[SC_NUT] = header[28] | (header[29] << 8); + level->score[SC_ROBOT] = header[30] | (header[31] << 8); + level->score[SC_SPACESHIP] = header[32] | (header[33] << 8); + level->score[SC_BUG] = header[34] | (header[35] << 8); + level->score[SC_YAMYAM] = header[36] | (header[37] << 8); + level->score[SC_DYNAMITE] = header[38] | (header[39] << 8); + level->score[SC_KEY] = header[40] | (header[41] << 8); + level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8); - case 0x160f: /* (green) */ - element = EL_CHAR_BUTTON; - break; + level->time = header[44] | (header[45] << 8); - case 0x1610: /* (green) */ - element = EL_CHAR_PLUS; - break; + level->amoeba_speed = header[46] | (header[47] << 8); + level->time_light = header[48] | (header[49] << 8); + level->time_timegate = header[50] | (header[51] << 8); + level->time_wheel = header[52] | (header[53] << 8); + level->time_magic_wall = header[54] | (header[55] << 8); + level->extra_time = header[56] | (header[57] << 8); + level->shield_normal_time = header[58] | (header[59] << 8); - case 0x1611: /* (green) */ - element = EL_CHAR_MINUS; - break; + /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems + can slip down from flat walls, like normal walls and steel walls */ + level->em_slippery_gems = TRUE; - case 0x1612: /* (green) */ - element = EL_CHAR_APOSTROPHE; - break; +#if 0 + /* Diamond Caves II levels are always surrounded by indestructible wall, but + not necessarily in a rectangular way -- fill with invisible steel wall */ - case 0x1613: /* (green) */ - element = EL_CHAR_PARENLEFT; - break; + /* !!! not always true !!! keep level and set BorderElement instead !!! */ - case 0x1614: /* (green) */ - element = EL_CHAR_PARENRIGHT; - break; + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + { +#if 1 + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == EL_EMPTY) + level->field[x][y] = EL_INVISIBLE_STEELWALL; +#else + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == EL_EMPTY) + FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL, + level->field, level->fieldx, level->fieldy); +#endif + } +#endif +} - case 0x1615: /* (blue steel) */ - element = EL_STEEL_CHAR_A; - break; +static void LoadLevelFromFileInfo_DC(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + char *filename = level_file_info->filename; + FILE *file; + int num_magic_bytes = 8; + char magic_bytes[num_magic_bytes + 1]; + int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level; - case 0x1616: /* (blue steel) */ - element = EL_STEEL_CHAR_B; - break; + if (!(file = fopen(filename, MODE_READ))) + { + level->no_valid_file = TRUE; - case 0x1617: /* (blue steel) */ - element = EL_STEEL_CHAR_C; - break; + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); - case 0x1618: /* (blue steel) */ - element = EL_STEEL_CHAR_D; - break; + return; + } - case 0x1619: /* (blue steel) */ - element = EL_STEEL_CHAR_E; - break; + // fseek(file, 0x0000, SEEK_SET); - case 0x161a: /* (blue steel) */ - element = EL_STEEL_CHAR_F; - break; + if (level_file_info->packed) + { + /* read "magic bytes" from start of file */ + if (fgets(magic_bytes, num_magic_bytes + 1, file) == NULL) + magic_bytes[0] = '\0'; - case 0x161b: /* (blue steel) */ - element = EL_STEEL_CHAR_G; - break; + /* check "magic bytes" for correct file format */ + if (!strPrefix(magic_bytes, "DC2")) + { + level->no_valid_file = TRUE; - case 0x161c: /* (blue steel) */ - element = EL_STEEL_CHAR_H; - break; + Error(ERR_WARN, "unknown DC level file '%s' -- using empty level", + filename); - case 0x161d: /* (blue steel) */ - element = EL_STEEL_CHAR_I; - break; + return; + } - case 0x161e: /* (blue steel) */ - element = EL_STEEL_CHAR_J; - break; + if (strPrefix(magic_bytes, "DC2Win95") || + strPrefix(magic_bytes, "DC2Win98")) + { + int position_first_level = 0x00fa; + int extra_bytes = 4; + int skip_bytes; - case 0x161f: /* (blue steel) */ - element = EL_STEEL_CHAR_K; - break; + /* advance file stream to first level inside the level package */ + skip_bytes = position_first_level - num_magic_bytes - extra_bytes; - case 0x1620: /* (blue steel) */ - element = EL_STEEL_CHAR_L; - break; + /* each block of level data is followed by block of non-level data */ + num_levels_to_skip *= 2; - case 0x1621: /* (blue steel) */ - element = EL_STEEL_CHAR_M; - break; + /* at least skip header bytes, therefore use ">= 0" instead of "> 0" */ + while (num_levels_to_skip >= 0) + { + /* advance file stream to next level inside the level package */ + if (fseek(file, skip_bytes, SEEK_CUR) != 0) + { + level->no_valid_file = TRUE; - case 0x1622: /* (blue steel) */ - element = EL_STEEL_CHAR_N; - break; + Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", + filename); - case 0x1623: /* (blue steel) */ - element = EL_STEEL_CHAR_O; - break; + return; + } - case 0x1624: /* (blue steel) */ - element = EL_STEEL_CHAR_P; - break; + /* skip apparently unused extra bytes following each level */ + ReadUnusedBytesFromFile(file, extra_bytes); - case 0x1625: /* (blue steel) */ - element = EL_STEEL_CHAR_Q; - break; + /* read size of next level in level package */ + skip_bytes = getFile32BitLE(file); - case 0x1626: /* (blue steel) */ - element = EL_STEEL_CHAR_R; - break; + num_levels_to_skip--; + } + } + else + { + level->no_valid_file = TRUE; - case 0x1627: /* (blue steel) */ - element = EL_STEEL_CHAR_S; - break; + Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level", + filename); - case 0x1628: /* (blue steel) */ - element = EL_STEEL_CHAR_T; - break; + return; + } + } - case 0x1629: /* (blue steel) */ - element = EL_STEEL_CHAR_U; - break; + LoadLevelFromFileStream_DC(file, level, level_file_info->nr); - case 0x162a: /* (blue steel) */ - element = EL_STEEL_CHAR_V; - break; + fclose(file); +} - case 0x162b: /* (blue steel) */ - element = EL_STEEL_CHAR_W; - break; +#endif - case 0x162c: /* (blue steel) */ - element = EL_STEEL_CHAR_X; - break; +#else - case 0x162d: /* (blue steel) */ - element = EL_STEEL_CHAR_Y; - break; +static void LoadLevelFromFileInfo_DC(struct LevelInfo *level, + struct LevelFileInfo *level_file_info) +{ + char *filename = level_file_info->filename; + FILE *file; +#if 0 + int nr = level_file_info->nr - leveldir_current->first_level; +#endif + byte header[DC_LEVEL_HEADER_SIZE]; + int envelope_size; + int envelope_header_pos = 62; + int envelope_content_pos = 94; + int level_name_pos = 251; + int level_author_pos = 292; + int envelope_header_len; + int envelope_content_len; + int level_name_len; + int level_author_len; + int fieldx, fieldy; + int num_yamyam_contents; + int i, x, y; - case 0x162e: /* (blue steel) */ - element = EL_STEEL_CHAR_Z; - break; + if (!(file = fopen(filename, MODE_READ))) + { + level->no_valid_file = TRUE; - case 0x162f: /* (blue steel) */ - element = EL_STEEL_CHAR_AUMLAUT; - break; + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); - case 0x1630: /* (blue steel) */ - element = EL_STEEL_CHAR_OUMLAUT; - break; + return; + } - case 0x1631: /* (blue steel) */ - element = EL_STEEL_CHAR_UUMLAUT; - break; +#if 0 + /* position file stream to the requested level inside the level package */ + if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0) + { + level->no_valid_file = TRUE; - case 0x1632: /* (blue steel) */ - element = EL_STEEL_CHAR_0; - break; + Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename); - case 0x1633: /* (blue steel) */ - element = EL_STEEL_CHAR_1; - break; + return; + } +#endif - case 0x1634: /* (blue steel) */ - element = EL_STEEL_CHAR_2; - break; + getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */ - case 0x1635: /* (blue steel) */ - element = EL_STEEL_CHAR_3; - break; + for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++) + { + unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE); - case 0x1636: /* (blue steel) */ - element = EL_STEEL_CHAR_4; - break; + header[i * 2 + 0] = header_word >> 8; + header[i * 2 + 1] = header_word & 0xff; + } - case 0x1637: /* (blue steel) */ - element = EL_STEEL_CHAR_5; - break; + /* read some values from level header to check level decoding integrity */ + fieldx = header[6] | (header[7] << 8); + fieldy = header[8] | (header[9] << 8); + num_yamyam_contents = header[60] | (header[61] << 8); - case 0x1638: /* (blue steel) */ - element = EL_STEEL_CHAR_6; - break; + /* do some simple sanity checks to ensure that level was correctly decoded */ + if (fieldx < 1 || fieldx > 256 || + fieldy < 1 || fieldy > 256 || + num_yamyam_contents < 1 || num_yamyam_contents > 8) + { + level->no_valid_file = TRUE; - case 0x1639: /* (blue steel) */ - element = EL_STEEL_CHAR_7; - break; + Error(ERR_WARN, "cannot read level from file '%s' -- using empty level", + filename); - case 0x163a: /* (blue steel) */ - element = EL_STEEL_CHAR_8; - break; + return; + } - case 0x163b: /* (blue steel) */ - element = EL_STEEL_CHAR_9; - break; + /* maximum envelope header size is 31 bytes */ + envelope_header_len = header[envelope_header_pos]; + /* maximum envelope content size is 110 (156?) bytes */ + envelope_content_len = header[envelope_content_pos]; - case 0x163c: /* (blue steel) */ - element = EL_STEEL_CHAR_PERIOD; - break; + /* maximum level title size is 40 bytes */ + level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN); + /* maximum level author size is 30 (51?) bytes */ + level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN); - case 0x163d: /* (blue steel) */ - element = EL_STEEL_CHAR_EXCLAM; - break; + envelope_size = 0; - case 0x163e: /* (blue steel) */ - element = EL_STEEL_CHAR_COLON; - break; + for (i = 0; i < envelope_header_len; i++) + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = + header[envelope_header_pos + 1 + i]; - case 0x163f: /* (blue steel) */ - element = EL_STEEL_CHAR_LESS; - break; + if (envelope_header_len > 0 && envelope_content_len > 0) + { + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = '\n'; + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = '\n'; + } + + for (i = 0; i < envelope_content_len; i++) + if (envelope_size < MAX_ENVELOPE_TEXT_LEN) + level->envelope[0].text[envelope_size++] = + header[envelope_content_pos + 1 + i]; - case 0x1640: /* (blue steel) */ - element = EL_STEEL_CHAR_GREATER; - break; + level->envelope[0].text[envelope_size] = '\0'; - case 0x1641: /* (blue steel) */ - element = EL_STEEL_CHAR_QUESTION; - break; + level->envelope[0].xsize = MAX_ENVELOPE_XSIZE; + level->envelope[0].ysize = 10; + level->envelope[0].autowrap = TRUE; + level->envelope[0].centered = TRUE; - case 0x1642: /* (blue steel) */ - element = EL_STEEL_CHAR_COPYRIGHT; - break; + for (i = 0; i < level_name_len; i++) + level->name[i] = header[level_name_pos + 1 + i]; + level->name[level_name_len] = '\0'; - case 0x1643: /* (blue steel) */ - element = EL_STEEL_CHAR_UP; - break; + for (i = 0; i < level_author_len; i++) + level->author[i] = header[level_author_pos + 1 + i]; + level->author[level_author_len] = '\0'; - case 0x1644: /* (blue steel) */ - element = EL_STEEL_CHAR_DOWN; - break; + num_yamyam_contents = header[60] | (header[61] << 8); + level->num_yamyam_contents = + MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS); - case 0x1645: /* (blue steel) */ - element = EL_STEEL_CHAR_BUTTON; - break; + for (i = 0; i < num_yamyam_contents; i++) + { + for (y = 0; y < 3; y++) for (x = 0; x < 3; x++) + { + unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); +#if 1 + int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); +#else + int element_dc = word; +#endif - case 0x1646: /* (blue steel) */ - element = EL_STEEL_CHAR_PLUS; - break; + if (i < MAX_ELEMENT_CONTENTS) + level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc); + } + } - case 0x1647: /* (blue steel) */ - element = EL_STEEL_CHAR_MINUS; - break; + fieldx = header[6] | (header[7] << 8); + fieldy = header[8] | (header[9] << 8); + level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX); + level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY); - case 0x1648: /* (blue steel) */ - element = EL_STEEL_CHAR_APOSTROPHE; - break; + for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++) + { + unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); +#if 1 + int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); +#else + int element_dc = word; +#endif - case 0x1649: /* (blue steel) */ - element = EL_STEEL_CHAR_PARENLEFT; - break; + if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY) + level->field[x][y] = getMappedElement_DC(element_dc); + } - case 0x164a: /* (blue steel) */ - element = EL_STEEL_CHAR_PARENRIGHT; - break; + x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1); + y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1); + level->field[x][y] = EL_PLAYER_1; - case 0x164b: /* (green steel) */ - element = EL_STEEL_CHAR_A; - break; + x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1); + y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1); + level->field[x][y] = EL_PLAYER_2; - case 0x164c: /* (green steel) */ - element = EL_STEEL_CHAR_B; - break; + level->gems_needed = header[18] | (header[19] << 8); - case 0x164d: /* (green steel) */ - element = EL_STEEL_CHAR_C; - break; + level->score[SC_EMERALD] = header[20] | (header[21] << 8); + level->score[SC_DIAMOND] = header[22] | (header[23] << 8); + level->score[SC_PEARL] = header[24] | (header[25] << 8); + level->score[SC_CRYSTAL] = header[26] | (header[27] << 8); + level->score[SC_NUT] = header[28] | (header[29] << 8); + level->score[SC_ROBOT] = header[30] | (header[31] << 8); + level->score[SC_SPACESHIP] = header[32] | (header[33] << 8); + level->score[SC_BUG] = header[34] | (header[35] << 8); + level->score[SC_YAMYAM] = header[36] | (header[37] << 8); + level->score[SC_DYNAMITE] = header[38] | (header[39] << 8); + level->score[SC_KEY] = header[40] | (header[41] << 8); + level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8); - case 0x164e: /* (green steel) */ - element = EL_STEEL_CHAR_D; - break; + level->time = header[44] | (header[45] << 8); - case 0x164f: /* (green steel) */ - element = EL_STEEL_CHAR_E; - break; + level->amoeba_speed = header[46] | (header[47] << 8); + level->time_light = header[48] | (header[49] << 8); + level->time_timegate = header[50] | (header[51] << 8); + level->time_wheel = header[52] | (header[53] << 8); + level->time_magic_wall = header[54] | (header[55] << 8); + level->extra_time = header[56] | (header[57] << 8); + level->shield_normal_time = header[58] | (header[59] << 8); - case 0x1650: /* (green steel) */ - element = EL_STEEL_CHAR_F; - break; + fclose(file); - case 0x1651: /* (green steel) */ - element = EL_STEEL_CHAR_G; - break; + /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems + can slip down from flat walls, like normal walls and steel walls */ + level->em_slippery_gems = TRUE; - case 0x1652: /* (green steel) */ - element = EL_STEEL_CHAR_H; - break; +#if 0 + /* Diamond Caves II levels are always surrounded by indestructible wall, but + not necessarily in a rectangular way -- fill with invisible steel wall */ - case 0x1653: /* (green steel) */ - element = EL_STEEL_CHAR_I; - break; + /* !!! not always true !!! keep level and set BorderElement instead !!! */ - case 0x1654: /* (green steel) */ - element = EL_STEEL_CHAR_J; - break; + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + { +#if 1 + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == EL_EMPTY) + level->field[x][y] = EL_INVISIBLE_STEELWALL; +#else + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == EL_EMPTY) + FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL, + level->field, level->fieldx, level->fieldy); +#endif + } +#endif +} - case 0x1655: /* (green steel) */ - element = EL_STEEL_CHAR_K; - break; +#endif - case 0x1656: /* (green steel) */ - element = EL_STEEL_CHAR_L; - break; - case 0x1657: /* (green steel) */ - element = EL_STEEL_CHAR_M; - break; +/* ------------------------------------------------------------------------- */ +/* functions for loading SB level */ +/* ------------------------------------------------------------------------- */ - case 0x1658: /* (green steel) */ - element = EL_STEEL_CHAR_N; - break; +int getMappedElement_SB(int element_ascii, boolean use_ces) +{ + static struct + { + int ascii; + int sb; + int ce; + } + sb_element_mapping[] = + { + { ' ', EL_EMPTY, EL_CUSTOM_1 }, /* floor (space) */ + { '#', EL_STEELWALL, EL_CUSTOM_2 }, /* wall */ + { '@', EL_PLAYER_1, EL_CUSTOM_3 }, /* player */ + { '$', EL_SOKOBAN_OBJECT, EL_CUSTOM_4 }, /* box */ + { '.', EL_SOKOBAN_FIELD_EMPTY, EL_CUSTOM_5 }, /* goal square */ + { '*', EL_SOKOBAN_FIELD_FULL, EL_CUSTOM_6 }, /* box on goal square */ + { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 }, /* player on goal square */ +#if 0 + { '_', EL_INVISIBLE_STEELWALL, EL_CUSTOM_8 }, /* floor beyond border */ +#else + { '_', EL_INVISIBLE_STEELWALL, EL_FROM_LEVEL_TEMPLATE }, /* floor beyond border */ +#endif - case 0x1659: /* (green steel) */ - element = EL_STEEL_CHAR_O; - break; + { 0, -1, -1 }, + }; - case 0x165a: /* (green steel) */ - element = EL_STEEL_CHAR_P; - break; + int i; - case 0x165b: /* (green steel) */ - element = EL_STEEL_CHAR_Q; - break; + for (i = 0; sb_element_mapping[i].ascii != 0; i++) + if (element_ascii == sb_element_mapping[i].ascii) + return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb); - case 0x165c: /* (green steel) */ - element = EL_STEEL_CHAR_R; - break; + return EL_UNDEFINED; +} - case 0x165d: /* (green steel) */ - element = EL_STEEL_CHAR_S; - break; +#if 1 - case 0x165e: /* (green steel) */ - element = EL_STEEL_CHAR_T; - break; +static void LoadLevelFromFileInfo_SB(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + char *filename = level_file_info->filename; + char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN]; + char last_comment[MAX_LINE_LEN]; + char level_name[MAX_LINE_LEN]; + char *line_ptr; + File *file; + int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level; + boolean read_continued_line = FALSE; + boolean reading_playfield = FALSE; + boolean got_valid_playfield_line = FALSE; + boolean invalid_playfield_char = FALSE; + boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces"); + int file_level_nr = 0; + int line_nr = 0; + int x = 0, y = 0; /* initialized to make compilers happy */ - case 0x165f: /* (green steel) */ - element = EL_STEEL_CHAR_U; - break; +#if 0 + printf("::: looking for level number %d [%d]\n", + level_file_info->nr, num_levels_to_skip); +#endif - case 0x1660: /* (green steel) */ - element = EL_STEEL_CHAR_V; - break; + last_comment[0] = '\0'; + level_name[0] = '\0'; - case 0x1661: /* (green steel) */ - element = EL_STEEL_CHAR_W; - break; + if (!(file = openFile(filename, MODE_READ))) + { + level->no_valid_file = TRUE; - case 0x1662: /* (green steel) */ - element = EL_STEEL_CHAR_X; - break; + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); - case 0x1663: /* (green steel) */ - element = EL_STEEL_CHAR_Y; - break; + return; + } - case 0x1664: /* (green steel) */ - element = EL_STEEL_CHAR_Z; - break; + while (!checkEndOfFile(file)) + { + /* level successfully read, but next level may follow here */ + if (!got_valid_playfield_line && reading_playfield) + { +#if 0 + printf("::: read complete playfield\n"); +#endif - case 0x1665: /* (green steel) */ - element = EL_STEEL_CHAR_AUMLAUT; - break; + /* read playfield from single level file -- skip remaining file */ + if (!level_file_info->packed) + break; - case 0x1666: /* (green steel) */ - element = EL_STEEL_CHAR_OUMLAUT; - break; + if (file_level_nr >= num_levels_to_skip) + break; - case 0x1667: /* (green steel) */ - element = EL_STEEL_CHAR_UUMLAUT; - break; + file_level_nr++; - case 0x1668: /* (green steel) */ - element = EL_STEEL_CHAR_0; - break; + last_comment[0] = '\0'; + level_name[0] = '\0'; - case 0x1669: /* (green steel) */ - element = EL_STEEL_CHAR_1; - break; + reading_playfield = FALSE; + } - case 0x166a: /* (green steel) */ - element = EL_STEEL_CHAR_2; - break; + got_valid_playfield_line = FALSE; - case 0x166b: /* (green steel) */ - element = EL_STEEL_CHAR_3; + /* read next line of input file */ + if (!getStringFromFile(file, line, MAX_LINE_LEN)) break; - case 0x166c: /* (green steel) */ - element = EL_STEEL_CHAR_4; - break; + /* check if line was completely read and is terminated by line break */ + if (strlen(line) > 0 && line[strlen(line) - 1] == '\n') + line_nr++; - case 0x166d: /* (green steel) */ - element = EL_STEEL_CHAR_5; - break; + /* cut trailing line break (this can be newline and/or carriage return) */ + for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--) + if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0') + *line_ptr = '\0'; - case 0x166e: /* (green steel) */ - element = EL_STEEL_CHAR_6; - break; + /* copy raw input line for later use (mainly debugging output) */ + strcpy(line_raw, line); - case 0x166f: /* (green steel) */ - element = EL_STEEL_CHAR_7; - break; + if (read_continued_line) + { + /* append new line to existing line, if there is enough space */ + if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN) + strcat(previous_line, line_ptr); - case 0x1670: /* (green steel) */ - element = EL_STEEL_CHAR_8; - break; + strcpy(line, previous_line); /* copy storage buffer to line */ - case 0x1671: /* (green steel) */ - element = EL_STEEL_CHAR_9; - break; + read_continued_line = FALSE; + } - case 0x1672: /* (green steel) */ - element = EL_STEEL_CHAR_PERIOD; - break; + /* if the last character is '\', continue at next line */ + if (strlen(line) > 0 && line[strlen(line) - 1] == '\\') + { + line[strlen(line) - 1] = '\0'; /* cut off trailing backslash */ + strcpy(previous_line, line); /* copy line to storage buffer */ - case 0x1673: /* (green steel) */ - element = EL_STEEL_CHAR_EXCLAM; - break; + read_continued_line = TRUE; - case 0x1674: /* (green steel) */ - element = EL_STEEL_CHAR_COLON; - break; + continue; + } - case 0x1675: /* (green steel) */ - element = EL_STEEL_CHAR_LESS; - break; + /* skip empty lines */ + if (line[0] == '\0') + continue; - case 0x1676: /* (green steel) */ - element = EL_STEEL_CHAR_GREATER; - break; + /* extract comment text from comment line */ + if (line[0] == ';') + { + for (line_ptr = line; *line_ptr; line_ptr++) + if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';') + break; - case 0x1677: /* (green steel) */ - element = EL_STEEL_CHAR_QUESTION; - break; + strcpy(last_comment, line_ptr); - case 0x1678: /* (green steel) */ - element = EL_STEEL_CHAR_COPYRIGHT; - break; +#if 0 + printf("::: found comment '%s' in line %d\n", last_comment, line_nr); +#endif - case 0x1679: /* (green steel) */ - element = EL_STEEL_CHAR_UP; - break; + continue; + } - case 0x167a: /* (green steel) */ - element = EL_STEEL_CHAR_DOWN; - break; + /* extract level title text from line containing level title */ + if (line[0] == '\'') + { + strcpy(level_name, &line[1]); - case 0x167b: /* (green steel) */ - element = EL_STEEL_CHAR_BUTTON; - break; + if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'') + level_name[strlen(level_name) - 1] = '\0'; - case 0x167c: /* (green steel) */ - element = EL_STEEL_CHAR_PLUS; - break; +#if 0 + printf("::: found level name '%s' in line %d\n", level_name, line_nr); +#endif - case 0x167d: /* (green steel) */ - element = EL_STEEL_CHAR_MINUS; - break; + continue; + } - case 0x167e: /* (green steel) */ - element = EL_STEEL_CHAR_APOSTROPHE; - break; + /* skip lines containing only spaces (or empty lines) */ + for (line_ptr = line; *line_ptr; line_ptr++) + if (*line_ptr != ' ') + break; + if (*line_ptr == '\0') + continue; - case 0x167f: /* (green steel) */ - element = EL_STEEL_CHAR_PARENLEFT; - break; + /* at this point, we have found a line containing part of a playfield */ - case 0x1680: /* (green steel) */ - element = EL_STEEL_CHAR_PARENRIGHT; - break; +#if 0 + printf("::: found playfield row in line %d\n", line_nr); +#endif - case 0x1681: /* gate (red) */ - element = EL_EM_GATE_1; - break; + got_valid_playfield_line = TRUE; - case 0x1682: /* secret gate (red) */ - element = EL_GATE_1_GRAY; - break; + if (!reading_playfield) + { + reading_playfield = TRUE; + invalid_playfield_char = FALSE; - case 0x1683: /* gate (yellow) */ - element = EL_EM_GATE_2; - break; + for (x = 0; x < MAX_LEV_FIELDX; x++) + for (y = 0; y < MAX_LEV_FIELDY; y++) + level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces); - case 0x1684: /* secret gate (yellow) */ - element = EL_GATE_2_GRAY; - break; + level->fieldx = 0; + level->fieldy = 0; - case 0x1685: /* gate (blue) */ - element = EL_EM_GATE_4; - break; + /* start with topmost tile row */ + y = 0; + } - case 0x1686: /* secret gate (blue) */ - element = EL_GATE_4_GRAY; - break; + /* skip playfield line if larger row than allowed */ + if (y >= MAX_LEV_FIELDY) + continue; - case 0x1687: /* gate (green) */ - element = EL_EM_GATE_3; - break; + /* start with leftmost tile column */ + x = 0; - case 0x1688: /* secret gate (green) */ - element = EL_GATE_3_GRAY; - break; + /* read playfield elements from line */ + for (line_ptr = line; *line_ptr; line_ptr++) + { + int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces); - case 0x1689: /* gate (white) */ - element = EL_DC_GATE_WHITE; - break; + /* stop parsing playfield line if larger column than allowed */ + if (x >= MAX_LEV_FIELDX) + break; - case 0x168a: /* secret gate (white) */ - element = EL_DC_GATE_WHITE_GRAY; - break; + if (mapped_sb_element == EL_UNDEFINED) + { + invalid_playfield_char = TRUE; - case 0x168b: /* secret gate (no key) */ - element = EL_DC_GATE_FAKE_GRAY; - break; + break; + } - case 0x168c: - element = EL_ROBOT_WHEEL; - break; + level->field[x][y] = mapped_sb_element; - case 0x168d: - element = EL_DC_TIMEGATE_SWITCH; - break; + /* continue with next tile column */ + x++; - case 0x168e: - element = EL_ACID_POOL_BOTTOM; - break; + level->fieldx = MAX(x, level->fieldx); + } - case 0x168f: - element = EL_ACID_POOL_TOPLEFT; - break; + if (invalid_playfield_char) + { + /* if first playfield line, treat invalid lines as comment lines */ + if (y == 0) + reading_playfield = FALSE; - case 0x1690: - element = EL_ACID_POOL_TOPRIGHT; - break; + continue; + } - case 0x1691: - element = EL_ACID_POOL_BOTTOMLEFT; - break; + /* continue with next tile row */ + y++; + } - case 0x1692: - element = EL_ACID_POOL_BOTTOMRIGHT; - break; + closeFile(file); - case 0x1693: - element = EL_STEELWALL; - break; + level->fieldy = y; - case 0x1694: - element = EL_STEELWALL_SLIPPERY; - break; + level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX); + level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY); - case 0x1695: /* steel wall (not round) */ - element = EL_STEELWALL; - break; + if (!reading_playfield) + { + level->no_valid_file = TRUE; - case 0x1696: /* steel wall (left) */ - element = EL_DC_STEELWALL_1_LEFT; - break; + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); - case 0x1697: /* steel wall (bottom) */ - element = EL_DC_STEELWALL_1_BOTTOM; - break; + return; + } - case 0x1698: /* steel wall (right) */ - element = EL_DC_STEELWALL_1_RIGHT; - break; + if (*level_name != '\0') + { + strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN); + level->name[MAX_LEVEL_NAME_LEN] = '\0'; - case 0x1699: /* steel wall (top) */ - element = EL_DC_STEELWALL_1_TOP; - break; +#if 0 + printf(":1: level name: '%s'\n", level->name); +#endif + } + else if (*last_comment != '\0') + { + strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN); + level->name[MAX_LEVEL_NAME_LEN] = '\0'; - case 0x169a: /* steel wall (left/bottom) */ - element = EL_DC_STEELWALL_1_BOTTOMLEFT; - break; +#if 0 + printf(":2: level name: '%s'\n", level->name); +#endif + } + else + { + sprintf(level->name, "--> Level %d <--", level_file_info->nr); + } - case 0x169b: /* steel wall (right/bottom) */ - element = EL_DC_STEELWALL_1_BOTTOMRIGHT; - break; + /* set all empty fields beyond the border walls to invisible steel wall */ + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + { + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces)) + FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces), + level->field, level->fieldx, level->fieldy); + } - case 0x169c: /* steel wall (right/top) */ - element = EL_DC_STEELWALL_1_TOPRIGHT; - break; + /* set special level settings for Sokoban levels */ - case 0x169d: /* steel wall (left/top) */ - element = EL_DC_STEELWALL_1_TOPLEFT; - break; + level->time = 0; + level->use_step_counter = TRUE; - case 0x169e: /* steel wall (right/bottom small) */ - element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2; - break; + if (load_xsb_to_ces) + { +#if 1 + /* !!! special global settings can now be set in level template !!! */ +#else + level->initial_player_stepsize[0] = STEPSIZE_SLOW; +#endif - case 0x169f: /* steel wall (left/bottom small) */ - element = EL_DC_STEELWALL_1_BOTTOMLEFT_2; - break; + /* fill smaller playfields with padding "beyond border wall" elements */ + if (level->fieldx < SCR_FIELDX || + level->fieldy < SCR_FIELDY) + { + short field[level->fieldx][level->fieldy]; + int new_fieldx = MAX(level->fieldx, SCR_FIELDX); + int new_fieldy = MAX(level->fieldy, SCR_FIELDY); + int pos_fieldx = (new_fieldx - level->fieldx) / 2; + int pos_fieldy = (new_fieldy - level->fieldy) / 2; + + /* copy old playfield (which is smaller than the visible area) */ + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + field[x][y] = level->field[x][y]; + + /* fill new, larger playfield with "beyond border wall" elements */ + for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++) + level->field[x][y] = getMappedElement_SB('_', load_xsb_to_ces); + + /* copy the old playfield to the middle of the new playfield */ + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + level->field[pos_fieldx + x][pos_fieldy + y] = field[x][y]; + + level->fieldx = new_fieldx; + level->fieldy = new_fieldy; + } - case 0x16a0: /* steel wall (right/top small) */ - element = EL_DC_STEELWALL_1_TOPRIGHT_2; - break; + level->use_custom_template = TRUE; + } +} - case 0x16a1: /* steel wall (left/top small) */ - element = EL_DC_STEELWALL_1_TOPLEFT_2; - break; +#else - case 0x16a2: /* steel wall (left/right) */ - element = EL_DC_STEELWALL_1_VERTICAL; - break; +static void LoadLevelFromFileInfo_SB(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + char *filename = level_file_info->filename; + char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN]; + char last_comment[MAX_LINE_LEN]; + char level_name[MAX_LINE_LEN]; + char *line_ptr; + FILE *file; + int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level; + boolean read_continued_line = FALSE; + boolean reading_playfield = FALSE; + boolean got_valid_playfield_line = FALSE; + boolean invalid_playfield_char = FALSE; + boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces"); + int file_level_nr = 0; + int line_nr = 0; + int x = 0, y = 0; /* initialized to make compilers happy */ - case 0x16a3: /* steel wall (top/bottom) */ - element = EL_DC_STEELWALL_1_HORIZONTAL; - break; +#if 0 + printf("::: looking for level number %d [%d]\n", + level_file_info->nr, num_levels_to_skip); +#endif - case 0x16a4: /* steel wall 2 (left end) */ - element = EL_DC_STEELWALL_2_LEFT; - break; + last_comment[0] = '\0'; + level_name[0] = '\0'; + + if (!(file = fopen(filename, MODE_READ))) + { + level->no_valid_file = TRUE; + + if (!level_info_only) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + + return; + } - case 0x16a5: /* steel wall 2 (right end) */ - element = EL_DC_STEELWALL_2_RIGHT; - break; + while (!feof(file)) + { + /* level successfully read, but next level may follow here */ + if (!got_valid_playfield_line && reading_playfield) + { +#if 0 + printf("::: read complete playfield\n"); +#endif - case 0x16a6: /* steel wall 2 (top end) */ - element = EL_DC_STEELWALL_2_TOP; - break; + /* read playfield from single level file -- skip remaining file */ + if (!level_file_info->packed) + break; - case 0x16a7: /* steel wall 2 (bottom end) */ - element = EL_DC_STEELWALL_2_BOTTOM; - break; + if (file_level_nr >= num_levels_to_skip) + break; - case 0x16a8: /* steel wall 2 (left/right) */ - element = EL_DC_STEELWALL_2_HORIZONTAL; - break; + file_level_nr++; - case 0x16a9: /* steel wall 2 (up/down) */ - element = EL_DC_STEELWALL_2_VERTICAL; - break; + last_comment[0] = '\0'; + level_name[0] = '\0'; - case 0x16aa: /* steel wall 2 (mid) */ - element = EL_DC_STEELWALL_2_MIDDLE; - break; + reading_playfield = FALSE; + } - case 0x16ab: - element = EL_SIGN_EXCLAMATION; - break; + got_valid_playfield_line = FALSE; - case 0x16ac: - element = EL_SIGN_RADIOACTIVITY; + /* read next line of input file */ + if (!fgets(line, MAX_LINE_LEN, file)) break; - case 0x16ad: - element = EL_SIGN_STOP; - break; + /* check if line was completely read and is terminated by line break */ + if (strlen(line) > 0 && line[strlen(line) - 1] == '\n') + line_nr++; - case 0x16ae: - element = EL_SIGN_WHEELCHAIR; - break; + /* cut trailing line break (this can be newline and/or carriage return) */ + for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--) + if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0') + *line_ptr = '\0'; - case 0x16af: - element = EL_SIGN_PARKING; - break; + /* copy raw input line for later use (mainly debugging output) */ + strcpy(line_raw, line); - case 0x16b0: - element = EL_SIGN_NO_ENTRY; - break; + if (read_continued_line) + { + /* append new line to existing line, if there is enough space */ + if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN) + strcat(previous_line, line_ptr); - case 0x16b1: - element = EL_SIGN_HEART; - break; + strcpy(line, previous_line); /* copy storage buffer to line */ - case 0x16b2: - element = EL_SIGN_GIVE_WAY; - break; + read_continued_line = FALSE; + } - case 0x16b3: - element = EL_SIGN_ENTRY_FORBIDDEN; - break; + /* if the last character is '\', continue at next line */ + if (strlen(line) > 0 && line[strlen(line) - 1] == '\\') + { + line[strlen(line) - 1] = '\0'; /* cut off trailing backslash */ + strcpy(previous_line, line); /* copy line to storage buffer */ - case 0x16b4: - element = EL_SIGN_EMERGENCY_EXIT; - break; + read_continued_line = TRUE; - case 0x16b5: - element = EL_SIGN_YIN_YANG; - break; + continue; + } - case 0x16b6: - element = EL_WALL_EMERALD; - break; + /* skip empty lines */ + if (line[0] == '\0') + continue; - case 0x16b7: - element = EL_WALL_DIAMOND; - break; + /* extract comment text from comment line */ + if (line[0] == ';') + { + for (line_ptr = line; *line_ptr; line_ptr++) + if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';') + break; - case 0x16b8: - element = EL_WALL_PEARL; - break; + strcpy(last_comment, line_ptr); - case 0x16b9: - element = EL_WALL_CRYSTAL; - break; +#if 0 + printf("::: found comment '%s' in line %d\n", last_comment, line_nr); +#endif - case 0x16ba: - element = EL_INVISIBLE_WALL; - break; + continue; + } - case 0x16bb: - element = EL_INVISIBLE_STEELWALL; - break; + /* extract level title text from line containing level title */ + if (line[0] == '\'') + { + strcpy(level_name, &line[1]); - /* 0x16bc - 0x16cb: */ - /* EL_INVISIBLE_SAND */ + if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'') + level_name[strlen(level_name) - 1] = '\0'; - case 0x16cc: - element = EL_LIGHT_SWITCH; - break; +#if 0 + printf("::: found level name '%s' in line %d\n", level_name, line_nr); +#endif - case 0x16cd: - element = EL_ENVELOPE_1; - break; + continue; + } - default: - if (element >= 0x0117 && element <= 0x036e) /* (?) */ - element = EL_DIAMOND; - else if (element >= 0x042d && element <= 0x0684) /* (?) */ - element = EL_EMERALD; - else if (element >= 0x157c && element <= 0x158b) - element = EL_SAND; - else if (element >= 0x1590 && element <= 0x159f) - element = EL_DC_LANDMINE; - else if (element >= 0x16bc && element <= 0x16cb) - element = EL_INVISIBLE_SAND; - else - { - Error(ERR_WARN, "unknown Diamond Caves element 0x%04x", element); - element = EL_UNKNOWN; - } - break; - } + /* skip lines containing only spaces (or empty lines) */ + for (line_ptr = line; *line_ptr; line_ptr++) + if (*line_ptr != ' ') + break; + if (*line_ptr == '\0') + continue; - return getMappedElement(element); -} + /* at this point, we have found a line containing part of a playfield */ -static void LoadLevelFromFileInfo_DC(struct LevelInfo *level, - struct LevelFileInfo *level_file_info) -{ - char *filename = level_file_info->filename; - FILE *file; #if 0 - int nr = level_file_info->nr - leveldir_current->first_level; + printf("::: found playfield row in line %d\n", line_nr); #endif - byte header[DC_LEVEL_HEADER_SIZE]; - int envelope_size; - int envelope_header_pos = 62; - int envelope_content_pos = 94; - int level_name_pos = 251; - int level_author_pos = 292; - int envelope_header_len; - int envelope_content_len; - int level_name_len; - int level_author_len; - int fieldx, fieldy; - int num_yamyam_contents; - int i, x, y; - if (!(file = fopen(filename, MODE_READ))) - { - level->no_valid_file = TRUE; + got_valid_playfield_line = TRUE; - Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + if (!reading_playfield) + { + reading_playfield = TRUE; + invalid_playfield_char = FALSE; - return; - } + for (x = 0; x < MAX_LEV_FIELDX; x++) + for (y = 0; y < MAX_LEV_FIELDY; y++) + level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces); -#if 0 - /* position file stream to the requested level inside the level package */ - if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0) - { - level->no_valid_file = TRUE; + level->fieldx = 0; + level->fieldy = 0; - Error(ERR_WARN, "cannot fseek level '%s' -- using empty level", filename); + /* start with topmost tile row */ + y = 0; + } - return; - } -#endif + /* skip playfield line if larger row than allowed */ + if (y >= MAX_LEV_FIELDY) + continue; - getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */ + /* start with leftmost tile column */ + x = 0; - for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++) - { - unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE); + /* read playfield elements from line */ + for (line_ptr = line; *line_ptr; line_ptr++) + { + int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces); - header[i * 2 + 0] = header_word >> 8; - header[i * 2 + 1] = header_word & 0xff; - } + /* stop parsing playfield line if larger column than allowed */ + if (x >= MAX_LEV_FIELDX) + break; - /* maximum envelope header size is 31 bytes */ - envelope_header_len = header[envelope_header_pos]; - /* maximum envelope content size is 110 (156?) bytes */ - envelope_content_len = header[envelope_content_pos]; + if (mapped_sb_element == EL_UNDEFINED) + { + invalid_playfield_char = TRUE; - /* maximum level title size is 40 bytes */ - level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN); - /* maximum level author size is 30 (51?) bytes */ - level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN); + break; + } - envelope_size = 0; + level->field[x][y] = mapped_sb_element; - for (i = 0; i < envelope_header_len; i++) - if (envelope_size < MAX_ENVELOPE_TEXT_LEN) - level->envelope[0].text[envelope_size++] = - header[envelope_header_pos + 1 + i]; + /* continue with next tile column */ + x++; - if (envelope_header_len > 0 && envelope_content_len > 0) - { - if (envelope_size < MAX_ENVELOPE_TEXT_LEN) - level->envelope[0].text[envelope_size++] = '\n'; - if (envelope_size < MAX_ENVELOPE_TEXT_LEN) - level->envelope[0].text[envelope_size++] = '\n'; + level->fieldx = MAX(x, level->fieldx); + } + + if (invalid_playfield_char) + { + /* if first playfield line, treat invalid lines as comment lines */ + if (y == 0) + reading_playfield = FALSE; + + continue; + } + + /* continue with next tile row */ + y++; } - for (i = 0; i < envelope_content_len; i++) - if (envelope_size < MAX_ENVELOPE_TEXT_LEN) - level->envelope[0].text[envelope_size++] = - header[envelope_content_pos + 1 + i]; + fclose(file); - level->envelope[0].text[envelope_size] = '\0'; + level->fieldy = y; - level->envelope[0].xsize = MAX_ENVELOPE_XSIZE; - level->envelope[0].ysize = 10; - level->envelope[0].autowrap = TRUE; - level->envelope[0].centered = TRUE; + level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX); + level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY); - for (i = 0; i < level_name_len; i++) - level->name[i] = header[level_name_pos + 1 + i]; - level->name[level_name_len] = '\0'; + if (!reading_playfield) + { + level->no_valid_file = TRUE; - for (i = 0; i < level_author_len; i++) - level->author[i] = header[level_author_pos + 1 + i]; - level->author[level_author_len] = '\0'; + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); - num_yamyam_contents = header[60] | (header[61] << 8); - level->num_yamyam_contents = - MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS); + return; + } - for (i = 0; i < num_yamyam_contents; i++) + if (*level_name != '\0') { - for (y = 0; y < 3; y++) for (x = 0; x < 3; x++) - { - unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); -#if 1 - int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); -#else - int element_dc = word; + strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN); + level->name[MAX_LEVEL_NAME_LEN] = '\0'; + +#if 0 + printf(":1: level name: '%s'\n", level->name); #endif + } + else if (*last_comment != '\0') + { + strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN); + level->name[MAX_LEVEL_NAME_LEN] = '\0'; - if (i < MAX_ELEMENT_CONTENTS) - level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc); - } +#if 0 + printf(":2: level name: '%s'\n", level->name); +#endif + } + else + { + sprintf(level->name, "--> Level %d <--", level_file_info->nr); } - fieldx = header[6] | (header[7] << 8); - fieldy = header[8] | (header[9] << 8); - level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX); - level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY); + /* set all empty fields beyond the border walls to invisible steel wall */ + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + { + if ((x == 0 || x == level->fieldx - 1 || + y == 0 || y == level->fieldy - 1) && + level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces)) + FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces), + level->field, level->fieldx, level->fieldy); + } - for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++) + /* set special level settings for Sokoban levels */ + + level->time = 0; + level->use_step_counter = TRUE; + + if (load_xsb_to_ces) { - unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE); #if 1 - int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff); + /* !!! special global settings can now be set in level template !!! */ #else - int element_dc = word; + level->initial_player_stepsize[0] = STEPSIZE_SLOW; #endif - if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY) - level->field[x][y] = getMappedElement_DC(element_dc); - } + /* fill smaller playfields with padding "beyond border wall" elements */ + if (level->fieldx < SCR_FIELDX || + level->fieldy < SCR_FIELDY) + { + short field[level->fieldx][level->fieldy]; + int new_fieldx = MAX(level->fieldx, SCR_FIELDX); + int new_fieldy = MAX(level->fieldy, SCR_FIELDY); + int pos_fieldx = (new_fieldx - level->fieldx) / 2; + int pos_fieldy = (new_fieldy - level->fieldy) / 2; + + /* copy old playfield (which is smaller than the visible area) */ + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + field[x][y] = level->field[x][y]; + + /* fill new, larger playfield with "beyond border wall" elements */ + for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++) + level->field[x][y] = getMappedElement_SB('_', load_xsb_to_ces); + + /* copy the old playfield to the middle of the new playfield */ + for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) + level->field[pos_fieldx + x][pos_fieldy + y] = field[x][y]; + + level->fieldx = new_fieldx; + level->fieldy = new_fieldy; + } - x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1); - y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1); - level->field[x][y] = EL_PLAYER_1; + level->use_custom_template = TRUE; + } +} - x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1); - y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1); - level->field[x][y] = EL_PLAYER_2; +#endif - level->gems_needed = header[18] | (header[19] << 8); - level->score[SC_EMERALD] = header[20] | (header[21] << 8); - level->score[SC_DIAMOND] = header[22] | (header[23] << 8); - level->score[SC_PEARL] = header[24] | (header[25] << 8); - level->score[SC_CRYSTAL] = header[26] | (header[27] << 8); - level->score[SC_NUT] = header[28] | (header[29] << 8); - level->score[SC_ROBOT] = header[30] | (header[31] << 8); - level->score[SC_SPACESHIP] = header[32] | (header[33] << 8); - level->score[SC_BUG] = header[34] | (header[35] << 8); - level->score[SC_YAMYAM] = header[36] | (header[37] << 8); - level->score[SC_DYNAMITE] = header[38] | (header[39] << 8); - level->score[SC_KEY] = header[40] | (header[41] << 8); - level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8); +/* ------------------------------------------------------------------------- */ +/* functions for handling native levels */ +/* ------------------------------------------------------------------------- */ - level->time = header[44] | (header[45] << 8); +static void LoadLevelFromFileInfo_EM(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + if (!LoadNativeLevel_EM(level_file_info->filename, level_info_only)) + level->no_valid_file = TRUE; +} - level->amoeba_speed = header[46] | (header[47] << 8); - level->time_light = header[48] | (header[49] << 8); - level->time_timegate = header[50] | (header[51] << 8); - level->time_wheel = header[52] | (header[53] << 8); - level->time_magic_wall = header[54] | (header[55] << 8); - level->extra_time = header[56] | (header[57] << 8); - level->shield_normal_time = header[58] | (header[59] << 8); +static void LoadLevelFromFileInfo_SP(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) +{ + int pos = 0; - fclose(file); + /* determine position of requested level inside level package */ + if (level_file_info->packed) + pos = level_file_info->nr - leveldir_current->first_level; - /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems - can slip down from flat walls, like normal walls and steel walls */ - level->em_slippery_gems = TRUE; + if (!LoadNativeLevel_SP(level_file_info->filename, pos, level_info_only)) + level->no_valid_file = TRUE; +} -#if 0 - /* Diamond Caves II levels are always surrounded by indestructible wall, but - not necessarily in a rectangular way -- fill with invisible steel wall */ +void CopyNativeLevel_RND_to_Native(struct LevelInfo *level) +{ + if (level->game_engine_type == GAME_ENGINE_TYPE_EM) + CopyNativeLevel_RND_to_EM(level); + else if (level->game_engine_type == GAME_ENGINE_TYPE_SP) + CopyNativeLevel_RND_to_SP(level); +} - /* !!! not always true !!! keep level and set BorderElement instead !!! */ +void CopyNativeLevel_Native_to_RND(struct LevelInfo *level) +{ + if (level->game_engine_type == GAME_ENGINE_TYPE_EM) + CopyNativeLevel_EM_to_RND(level); + else if (level->game_engine_type == GAME_ENGINE_TYPE_SP) + CopyNativeLevel_SP_to_RND(level); +} - for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++) +void SaveNativeLevel(struct LevelInfo *level) +{ + if (level->game_engine_type == GAME_ENGINE_TYPE_SP) { -#if 1 - if ((x == 0 || x == level->fieldx - 1 || - y == 0 || y == level->fieldy - 1) && - level->field[x][y] == EL_EMPTY) - level->field[x][y] = EL_INVISIBLE_STEELWALL; -#else - if ((x == 0 || x == level->fieldx - 1 || - y == 0 || y == level->fieldy - 1) && - level->field[x][y] == EL_EMPTY) - FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL, - level->field, level->fieldx, level->fieldy); -#endif + char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp"); + char *filename = getLevelFilenameFromBasename(basename); + + CopyNativeLevel_RND_to_SP(level); + CopyNativeTape_RND_to_SP(level); + + SaveNativeLevel_SP(filename); } -#endif } @@ -5750,39 +8833,49 @@ static void LoadLevelFromFileInfo_DC(struct LevelInfo *level, /* functions for loading generic level */ /* ------------------------------------------------------------------------- */ -void LoadLevelFromFileInfo(struct LevelInfo *level, - struct LevelFileInfo *level_file_info) +static void LoadLevelFromFileInfo(struct LevelInfo *level, + struct LevelFileInfo *level_file_info, + boolean level_info_only) { /* always start with reliable default values */ - setLevelInfoToDefaults(level); + setLevelInfoToDefaults(level, level_info_only); switch (level_file_info->type) { case LEVEL_FILE_TYPE_RND: - LoadLevelFromFileInfo_RND(level, level_file_info); + LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only); break; case LEVEL_FILE_TYPE_EM: - LoadLevelFromFileInfo_EM(level, level_file_info); + LoadLevelFromFileInfo_EM(level, level_file_info, level_info_only); level->game_engine_type = GAME_ENGINE_TYPE_EM; break; case LEVEL_FILE_TYPE_SP: - LoadLevelFromFileInfo_SP(level, level_file_info); + LoadLevelFromFileInfo_SP(level, level_file_info, level_info_only); + level->game_engine_type = GAME_ENGINE_TYPE_SP; break; case LEVEL_FILE_TYPE_DC: - LoadLevelFromFileInfo_DC(level, level_file_info); + LoadLevelFromFileInfo_DC(level, level_file_info, level_info_only); + break; + + case LEVEL_FILE_TYPE_SB: + LoadLevelFromFileInfo_SB(level, level_file_info, level_info_only); break; default: - LoadLevelFromFileInfo_RND(level, level_file_info); + LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only); break; } /* if level file is invalid, restore level structure to default values */ if (level->no_valid_file) - setLevelInfoToDefaults(level); + { + setLevelInfoToDefaults(level, level_info_only); + + level->no_valid_file = TRUE; /* but keep "no valid file" flag */ + } if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN) level->game_engine_type = GAME_ENGINE_TYPE_RND; @@ -5802,7 +8895,7 @@ void LoadLevelFromFilename(struct LevelInfo *level, char *filename) level_file_info.type = LEVEL_FILE_TYPE_RND; /* no others supported yet */ level_file_info.filename = filename; - LoadLevelFromFileInfo(level, &level_file_info); + LoadLevelFromFileInfo(level, &level_file_info, FALSE); } static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename) @@ -5934,7 +9027,7 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename) /* try to detect and fix "Snake Bite" levels, which are broken with 3.2.0 */ { - int element = EL_CUSTOM_START + 255; + int element = EL_CUSTOM_256; struct ElementInfo *ei = &element_info[element]; struct ElementChangeInfo *change = &ei->change_page[0]; @@ -5954,9 +9047,67 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename) change->target_element = EL_PLAYER_1; } +#if 1 + /* try to detect and fix "Zelda" style levels, which are broken with 3.2.5 */ + if (level->game_version < VERSION_IDENT(3,2,5,0)) + { + /* This is needed to fix a problem that was caused by a bugfix in function + game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that + corrects the behaviour when a custom element changes to another custom + element with a higher element number that has change actions defined. + Normally, only one change per frame is allowed for custom elements. + Therefore, it is checked if a custom element already changed in the + current frame; if it did, subsequent changes are suppressed. + Unfortunately, this is only checked for element changes, but not for + change actions, which are still executed. As the function above loops + through all custom elements from lower to higher, an element change + resulting in a lower CE number won't be checked again, while a target + element with a higher number will also be checked, and potential change + actions will get executed for this CE, too (which is wrong), while + further changes are ignored (which is correct). As this bugfix breaks + Zelda II (and introduces graphical bugs to Zelda I, and also breaks a + few other levels like Alan Bond's "FMV"), allow the previous, incorrect + behaviour for existing levels and tapes that make use of this bug */ + + level->use_action_after_change_bug = TRUE; + } +#else + /* !!! THIS DOES NOT FIX "Zelda I" (GRAPHICALLY) AND "Alan's FMV" LEVELS */ + /* try to detect and fix "Zelda II" levels, which are broken with 3.2.5 */ + { + int element = EL_CUSTOM_16; + struct ElementInfo *ei = &element_info[element]; + + /* This is needed to fix a problem that was caused by a bugfix in function + game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that + corrects the behaviour when a custom element changes to another custom + element with a higher element number that has change actions defined. + Normally, only one change per frame is allowed for custom elements. + Therefore, it is checked if a custom element already changed in the + current frame; if it did, subsequent changes are suppressed. + Unfortunately, this is only checked for element changes, but not for + change actions, which are still executed. As the function above loops + through all custom elements from lower to higher, an element change + resulting in a lower CE number won't be checked again, while a target + element with a higher number will also be checked, and potential change + actions will get executed for this CE, too (which is wrong), while + further changes are ignored (which is correct). As this bugfix breaks + Zelda II (but no other levels), allow the previous, incorrect behaviour + for this outstanding level set to not break the game or existing tapes */ + + if (strncmp(leveldir_current->identifier, "zelda2", 6) == 0 || + strncmp(ei->description, "scanline - row 1", 16) == 0) + level->use_action_after_change_bug = TRUE; + } +#endif + /* not centering level after relocating player was default only in 3.2.3 */ if (level->game_version == VERSION_IDENT(3,2,3,0)) /* (no pre-releases) */ level->shifted_relocation = TRUE; + + /* EM style elements always chain-exploded in R'n'D engine before 3.2.6 */ + if (level->game_version < VERSION_IDENT(3,2,6,0)) + level->em_explodes_by_fire = TRUE; } static void LoadLevel_InitElements(struct LevelInfo *level, char *filename) @@ -6088,6 +9239,7 @@ static void LoadLevel_InitElements(struct LevelInfo *level, char *filename) /* initialize element properties for level editor etc. */ InitElementPropertiesEngine(level->game_version); InitElementPropertiesAfterLoading(level->game_version); + InitElementPropertiesGfxElement(); } static void LoadLevel_InitPlayfield(struct LevelInfo *level, char *filename) @@ -6131,7 +9283,7 @@ void LoadLevelTemplate(int nr) setLevelFileInfo(&level_template.file_info, nr); filename = level_template.file_info.filename; - LoadLevelFromFileInfo(&level_template, &level_template.file_info); + LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE); LoadLevel_InitVersion(&level_template, filename); LoadLevel_InitElements(&level_template, filename); @@ -6146,7 +9298,7 @@ void LoadLevel(int nr) setLevelFileInfo(&level.file_info, nr); filename = level.file_info.filename; - LoadLevelFromFileInfo(&level, &level.file_info); + LoadLevelFromFileInfo(&level, &level.file_info, FALSE); if (level.use_custom_template) LoadLevelTemplate(-1); @@ -6158,6 +9310,20 @@ void LoadLevel(int nr) LoadLevel_InitNativeEngines(&level, filename); } +void LoadLevelInfoOnly(int nr) +{ +#if 0 + char *filename; +#endif + + setLevelFileInfo(&level.file_info, nr); +#if 0 + filename = level.file_info.filename; +#endif + + LoadLevelFromFileInfo(&level, &level.file_info, TRUE); +} + static int SaveLevel_VERS(FILE *file, struct LevelInfo *level) { int chunk_size = 0; @@ -6466,7 +9632,7 @@ static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level, WriteUnusedBytesToFile(file, 7); putFile8Bit(file, ei->use_gfx_element); - putFile16BitBE(file, ei->gfx_element); + putFile16BitBE(file, ei->gfx_element_initial); putFile8Bit(file, ei->collect_score_initial); putFile8Bit(file, ei->collect_count_initial); @@ -6492,7 +9658,7 @@ static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level, putFile16BitBE(file, ei->change->delay_random); putFile16BitBE(file, ei->change->delay_frames); - putFile16BitBE(file, ei->change->trigger_element); + putFile16BitBE(file, ei->change->initial_trigger_element); putFile8Bit(file, ei->change->explode); putFile8Bit(file, ei->change->use_target_content); @@ -6545,7 +9711,7 @@ static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element) putFile8Bit(file, ei->use_last_ce_value); putFile8Bit(file, ei->use_gfx_element); - putFile16BitBE(file, ei->gfx_element); + putFile16BitBE(file, ei->gfx_element_initial); putFile8Bit(file, ei->collect_score_initial); putFile8Bit(file, ei->collect_count_initial); @@ -6604,7 +9770,7 @@ static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element) putFile16BitBE(file, change->delay_random); putFile16BitBE(file, change->delay_frames); - putFile16BitBE(file, change->trigger_element); + putFile16BitBE(file, change->initial_trigger_element); putFile8Bit(file, change->explode); putFile8Bit(file, change->use_target_content); @@ -6656,7 +9822,7 @@ static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element) putFile8Bit(file, group->num_elements); putFile8Bit(file, ei->use_gfx_element); - putFile16BitBE(file, ei->gfx_element); + putFile16BitBE(file, ei->gfx_element_initial); putFile8Bit(file, group->choice_mode); @@ -7008,12 +10174,12 @@ boolean SaveLevelChecked(int nr) boolean new_level = !fileExists(filename); boolean level_saved = FALSE; - if (new_level || Request("Save this level and kill the old ?", REQ_ASK)) + if (new_level || Request("Save this level and kill the old?", REQ_ASK)) { SaveLevel(nr); if (new_level) - Request("Level saved !", REQ_CONFIRM); + Request("Level saved!", REQ_CONFIRM); level_saved = TRUE; } @@ -7072,25 +10238,180 @@ static void setTapeInfoToDefaults() /* always start with reliable default values (empty tape) */ TapeErase(); - /* default values (also for pre-1.2 tapes) with only the first player */ - tape.player_participates[0] = TRUE; - for (i = 1; i < MAX_PLAYERS; i++) - tape.player_participates[i] = FALSE; + /* default values (also for pre-1.2 tapes) with only the first player */ + tape.player_participates[0] = TRUE; + for (i = 1; i < MAX_PLAYERS; i++) + tape.player_participates[i] = FALSE; + + /* at least one (default: the first) player participates in every tape */ + tape.num_participating_players = 1; + + tape.level_nr = level_nr; + tape.counter = 0; + tape.changed = FALSE; + + tape.recording = FALSE; + tape.playing = FALSE; + tape.pausing = FALSE; + + tape.no_valid_file = FALSE; +} + +#if 1 + +static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape) +{ + tape->file_version = getFileVersion(file); + tape->game_version = getFileVersion(file); + + return chunk_size; +} + +static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape) +{ + int i; + + tape->random_seed = getFile32BitBE(file); + tape->date = getFile32BitBE(file); + tape->length = getFile32BitBE(file); + + /* read header fields that are new since version 1.2 */ + if (tape->file_version >= FILE_VERSION_1_2) + { + byte store_participating_players = getFile8Bit(file); + int engine_version; + + /* since version 1.2, tapes store which players participate in the tape */ + tape->num_participating_players = 0; + for (i = 0; i < MAX_PLAYERS; i++) + { + tape->player_participates[i] = FALSE; + + if (store_participating_players & (1 << i)) + { + tape->player_participates[i] = TRUE; + tape->num_participating_players++; + } + } + + ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED); + + engine_version = getFileVersion(file); + if (engine_version > 0) + tape->engine_version = engine_version; + else + tape->engine_version = tape->game_version; + } + + return chunk_size; +} + +static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape) +{ + int level_identifier_size; + int i; + + level_identifier_size = getFile16BitBE(file); + + tape->level_identifier = + checked_realloc(tape->level_identifier, level_identifier_size); + + for (i = 0; i < level_identifier_size; i++) + tape->level_identifier[i] = getFile8Bit(file); + + tape->level_nr = getFile16BitBE(file); + + chunk_size = 2 + level_identifier_size + 2; + + return chunk_size; +} + +static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape) +{ + int i, j; + int chunk_size_expected = + (tape->num_participating_players + 1) * tape->length; + + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size); + return chunk_size_expected; + } + + for (i = 0; i < tape->length; i++) + { + if (i >= MAX_TAPE_LEN) + break; + + for (j = 0; j < MAX_PLAYERS; j++) + { + tape->pos[i].action[j] = MV_NONE; + + if (tape->player_participates[j]) + tape->pos[i].action[j] = getFile8Bit(file); + } + + tape->pos[i].delay = getFile8Bit(file); + + if (tape->file_version == FILE_VERSION_1_0) + { + /* eliminate possible diagonal moves in old tapes */ + /* this is only for backward compatibility */ + + byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN }; + byte action = tape->pos[i].action[0]; + int k, num_moves = 0; + + for (k = 0; k<4; k++) + { + if (action & joy_dir[k]) + { + tape->pos[i + num_moves].action[0] = joy_dir[k]; + if (num_moves > 0) + tape->pos[i + num_moves].delay = 0; + num_moves++; + } + } + + if (num_moves > 1) + { + num_moves--; + i += num_moves; + tape->length += num_moves; + } + } + else if (tape->file_version < FILE_VERSION_2_0) + { + /* convert pre-2.0 tapes to new tape format */ + + if (tape->pos[i].delay > 1) + { + /* action part */ + tape->pos[i + 1] = tape->pos[i]; + tape->pos[i + 1].delay = 1; - /* at least one (default: the first) player participates in every tape */ - tape.num_participating_players = 1; + /* delay part */ + for (j = 0; j < MAX_PLAYERS; j++) + tape->pos[i].action[j] = MV_NONE; + tape->pos[i].delay--; - tape.level_nr = level_nr; - tape.counter = 0; - tape.changed = FALSE; + i++; + tape->length++; + } + } - tape.recording = FALSE; - tape.playing = FALSE; - tape.pausing = FALSE; + if (checkEndOfFile(file)) + break; + } - tape.no_valid_file = FALSE; + if (i != tape->length) + chunk_size = (tape->num_participating_players + 1) * i; + + return chunk_size; } +#else + static int LoadTape_VERS(FILE *file, int chunk_size, struct TapeInfo *tape) { tape->file_version = getFileVersion(file); @@ -7183,65 +10504,371 @@ static int LoadTape_BODY(FILE *file, int chunk_size, struct TapeInfo *tape) tape->pos[i].action[j] = getFile8Bit(file); } - tape->pos[i].delay = getFile8Bit(file); - - if (tape->file_version == FILE_VERSION_1_0) + tape->pos[i].delay = getFile8Bit(file); + + if (tape->file_version == FILE_VERSION_1_0) + { + /* eliminate possible diagonal moves in old tapes */ + /* this is only for backward compatibility */ + + byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN }; + byte action = tape->pos[i].action[0]; + int k, num_moves = 0; + + for (k = 0; k<4; k++) + { + if (action & joy_dir[k]) + { + tape->pos[i + num_moves].action[0] = joy_dir[k]; + if (num_moves > 0) + tape->pos[i + num_moves].delay = 0; + num_moves++; + } + } + + if (num_moves > 1) + { + num_moves--; + i += num_moves; + tape->length += num_moves; + } + } + else if (tape->file_version < FILE_VERSION_2_0) + { + /* convert pre-2.0 tapes to new tape format */ + + if (tape->pos[i].delay > 1) + { + /* action part */ + tape->pos[i + 1] = tape->pos[i]; + tape->pos[i + 1].delay = 1; + + /* delay part */ + for (j = 0; j < MAX_PLAYERS; j++) + tape->pos[i].action[j] = MV_NONE; + tape->pos[i].delay--; + + i++; + tape->length++; + } + } + + if (feof(file)) + break; + } + + if (i != tape->length) + chunk_size = (tape->num_participating_players + 1) * i; + + return chunk_size; +} + +#endif + +#if 1 + +void LoadTape_SokobanSolution(char *filename) +{ + File *file; + int move_delay = TILESIZE / level.initial_player_stepsize[0]; + + if (!(file = openFile(filename, MODE_READ))) + { + tape.no_valid_file = TRUE; + + return; + } + + while (!checkEndOfFile(file)) + { + unsigned char c = getByteFromFile(file); + + if (checkEndOfFile(file)) + break; + + switch (c) + { + case 'u': + case 'U': + tape.pos[tape.length].action[0] = MV_UP; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case 'd': + case 'D': + tape.pos[tape.length].action[0] = MV_DOWN; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case 'l': + case 'L': + tape.pos[tape.length].action[0] = MV_LEFT; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case 'r': + case 'R': + tape.pos[tape.length].action[0] = MV_RIGHT; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case '\n': + case '\r': + case '\t': + case ' ': + /* ignore white-space characters */ + break; + + default: + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unsupported Sokoban solution file '%s' ['%d']", filename, c); + + break; + } + } + + closeFile(file); + + if (tape.no_valid_file) + return; + + tape.length_seconds = GetTapeLength(); +} + +#else + +void LoadTape_SokobanSolution(char *filename) +{ + FILE *file; + int move_delay = TILESIZE / level.initial_player_stepsize[0]; + + if (!(file = fopen(filename, MODE_READ))) + { + tape.no_valid_file = TRUE; + + return; + } + + while (!feof(file)) + { + unsigned char c = fgetc(file); + + if (feof(file)) + break; + + switch (c) + { + case 'u': + case 'U': + tape.pos[tape.length].action[0] = MV_UP; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case 'd': + case 'D': + tape.pos[tape.length].action[0] = MV_DOWN; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case 'l': + case 'L': + tape.pos[tape.length].action[0] = MV_LEFT; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case 'r': + case 'R': + tape.pos[tape.length].action[0] = MV_RIGHT; + tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0); + tape.length++; + break; + + case '\n': + case '\r': + case '\t': + case ' ': + /* ignore white-space characters */ + break; + + default: + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unsupported Sokoban solution file '%s' ['%d']", filename, c); + + break; + } + } + + fclose(file); + + if (tape.no_valid_file) + return; + + tape.length_seconds = GetTapeLength(); +} + +#endif + +#if 1 + +void LoadTapeFromFilename(char *filename) +{ + char cookie[MAX_LINE_LEN]; + char chunk_name[CHUNK_ID_LEN + 1]; + File *file; + int chunk_size; + + /* always start with reliable default values */ + setTapeInfoToDefaults(); + + if (strSuffix(filename, ".sln")) + { + LoadTape_SokobanSolution(filename); + + return; + } + + if (!(file = openFile(filename, MODE_READ))) + { + tape.no_valid_file = TRUE; + + return; + } + + getFileChunkBE(file, chunk_name, NULL); + if (strEqual(chunk_name, "RND1")) + { + getFile32BitBE(file); /* not used */ + + getFileChunkBE(file, chunk_name, NULL); + if (!strEqual(chunk_name, "TAPE")) + { + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of tape file '%s'", filename); + + closeFile(file); + + return; + } + } + else /* check for pre-2.0 file format with cookie string */ + { + strcpy(cookie, chunk_name); + if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL) + cookie[4] = '\0'; + if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n') + cookie[strlen(cookie) - 1] = '\0'; + + if (!checkCookieString(cookie, TAPE_COOKIE_TMPL)) + { + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of tape file '%s'", filename); + + closeFile(file); + + return; + } + + if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1) + { + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unsupported version of tape file '%s'", filename); + + closeFile(file); + + return; + } + + /* pre-2.0 tape files have no game version, so use file version here */ + tape.game_version = tape.file_version; + } + + if (tape.file_version < FILE_VERSION_1_2) + { + /* tape files from versions before 1.2.0 without chunk structure */ + LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape); + LoadTape_BODY(file, 2 * tape.length, &tape); + } + else + { + static struct + { + char *name; + int size; + int (*loader)(File *, int, struct TapeInfo *); + } + chunk_info[] = + { + { "VERS", TAPE_CHUNK_VERS_SIZE, LoadTape_VERS }, + { "HEAD", TAPE_CHUNK_HEAD_SIZE, LoadTape_HEAD }, + { "INFO", -1, LoadTape_INFO }, + { "BODY", -1, LoadTape_BODY }, + { NULL, 0, NULL } + }; + + while (getFileChunkBE(file, chunk_name, &chunk_size)) { - /* eliminate possible diagonal moves in old tapes */ - /* this is only for backward compatibility */ + int i = 0; - byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN }; - byte action = tape->pos[i].action[0]; - int k, num_moves = 0; + while (chunk_info[i].name != NULL && + !strEqual(chunk_name, chunk_info[i].name)) + i++; - for (k = 0; k<4; k++) + if (chunk_info[i].name == NULL) { - if (action & joy_dir[k]) - { - tape->pos[i + num_moves].action[0] = joy_dir[k]; - if (num_moves > 0) - tape->pos[i + num_moves].delay = 0; - num_moves++; - } + Error(ERR_WARN, "unknown chunk '%s' in tape file '%s'", + chunk_name, filename); + ReadUnusedBytesFromFile(file, chunk_size); } - - if (num_moves > 1) + else if (chunk_info[i].size != -1 && + chunk_info[i].size != chunk_size) { - num_moves--; - i += num_moves; - tape->length += num_moves; + Error(ERR_WARN, "wrong size (%d) of chunk '%s' in tape file '%s'", + chunk_size, chunk_name, filename); + ReadUnusedBytesFromFile(file, chunk_size); } - } - else if (tape->file_version < FILE_VERSION_2_0) - { - /* convert pre-2.0 tapes to new tape format */ - - if (tape->pos[i].delay > 1) + else { - /* action part */ - tape->pos[i + 1] = tape->pos[i]; - tape->pos[i + 1].delay = 1; - - /* delay part */ - for (j = 0; j < MAX_PLAYERS; j++) - tape->pos[i].action[j] = MV_NONE; - tape->pos[i].delay--; + /* call function to load this tape chunk */ + int chunk_size_expected = + (chunk_info[i].loader)(file, chunk_size, &tape); - i++; - tape->length++; + /* the size of some chunks cannot be checked before reading other + chunks first (like "HEAD" and "BODY") that contain some header + information, so check them here */ + if (chunk_size_expected != chunk_size) + { + Error(ERR_WARN, "wrong size (%d) of chunk '%s' in tape file '%s'", + chunk_size, chunk_name, filename); + } } } - - if (feof(file)) - break; } - if (i != tape->length) - chunk_size = (tape->num_participating_players + 1) * i; + closeFile(file); - return chunk_size; + tape.length_seconds = GetTapeLength(); + +#if 0 + printf("::: tape file version: %d\n", tape.file_version); + printf("::: tape game version: %d\n", tape.game_version); + printf("::: tape engine version: %d\n", tape.engine_version); +#endif } +#else + void LoadTapeFromFilename(char *filename) { char cookie[MAX_LINE_LEN]; @@ -7252,6 +10879,13 @@ void LoadTapeFromFilename(char *filename) /* always start with reliable default values */ setTapeInfoToDefaults(); + if (strSuffix(filename, ".sln")) + { + LoadTape_SokobanSolution(filename); + + return; + } + if (!(file = fopen(filename, MODE_READ))) { tape.no_valid_file = TRUE; @@ -7277,7 +10911,8 @@ void LoadTapeFromFilename(char *filename) else /* check for pre-2.0 file format with cookie string */ { strcpy(cookie, chunk_name); - fgets(&cookie[4], MAX_LINE_LEN - 4, file); + if (fgets(&cookie[4], MAX_LINE_LEN - 4, file) == NULL) + cookie[4] = '\0'; if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n') cookie[strlen(cookie) - 1] = '\0'; @@ -7296,6 +10931,7 @@ void LoadTapeFromFilename(char *filename) Error(ERR_WARN, "unsupported version of tape file '%s'", filename); fclose(file); + return; } @@ -7315,7 +10951,7 @@ void LoadTapeFromFilename(char *filename) { char *name; int size; - int (*loader)(FILE *, int, struct TapeInfo *); + int (*loader)(File *, int, struct TapeInfo *); } chunk_info[] = { @@ -7376,6 +11012,8 @@ void LoadTapeFromFilename(char *filename) #endif } +#endif + void LoadTape(int nr) { char *filename = getTapeFilename(nr); @@ -7388,6 +11026,13 @@ void LoadSolutionTape(int nr) char *filename = getSolutionTapeFilename(nr); LoadTapeFromFilename(filename); + +#if 1 + if (TAPE_IS_EMPTY(tape) && + level.game_engine_type == GAME_ENGINE_TYPE_SP && + level.native_sp_level->demo.is_available) + CopyNativeTape_SP_to_RND(&level); +#endif } static void SaveTape_VERS(FILE *file, struct TapeInfo *tape) @@ -7464,7 +11109,7 @@ void SaveTape(int nr) if (fileExists(filename)) { new_tape = FALSE; - if (!Request("Replace old tape ?", REQ_ASK)) + if (!Request("Replace old tape?", REQ_ASK)) return; } #endif @@ -7509,7 +11154,7 @@ void SaveTape(int nr) #if 0 if (new_tape) - Request("Tape saved !", REQ_CONFIRM); + Request("Tape saved!", REQ_CONFIRM); #endif } @@ -7519,12 +11164,12 @@ boolean SaveTapeChecked(int nr) boolean new_tape = !fileExists(filename); boolean tape_saved = FALSE; - if (new_tape || Request("Replace old tape ?", REQ_ASK)) + if (new_tape || Request("Replace old tape?", REQ_ASK)) { SaveTape(nr); if (new_tape) - Request("Tape saved !", REQ_CONFIRM); + Request("Tape saved!", REQ_CONFIRM); tape_saved = TRUE; } @@ -7612,7 +11257,8 @@ void LoadScore(int nr) return; /* check file identifier */ - fgets(cookie, MAX_LINE_LEN, file); + if (fgets(cookie, MAX_LINE_LEN, file) == NULL) + cookie[0] = '\0'; if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n') cookie[strlen(cookie) - 1] = '\0'; @@ -7625,10 +11271,12 @@ void LoadScore(int nr) for (i = 0; i < MAX_SCORE_ENTRIES; i++) { - fscanf(file, "%d", &highscore[i].Score); - fgets(line, MAX_LINE_LEN, file); + if (fscanf(file, "%d", &highscore[i].Score) == EOF) + Error(ERR_WARN, "fscanf() failed; %s", strerror(errno)); + if (fgets(line, MAX_LINE_LEN, file) == NULL) + line[0] = '\0'; - if (line[strlen(line) - 1] == '\n') + if (strlen(line) > 0 && line[strlen(line) - 1] == '\n') line[strlen(line) - 1] = '\0'; for (line_ptr = line; *line_ptr; line_ptr++) @@ -7696,20 +11344,30 @@ void SaveScore(int nr) #define SETUP_TOKEN_TIME_LIMIT 16 #define SETUP_TOKEN_FULLSCREEN 17 #define SETUP_TOKEN_FULLSCREEN_MODE 18 -#define SETUP_TOKEN_ASK_ON_ESCAPE 19 -#define SETUP_TOKEN_ASK_ON_ESCAPE_EDITOR 20 -#define SETUP_TOKEN_QUICK_SWITCH 21 -#define SETUP_TOKEN_INPUT_ON_FOCUS 22 -#define SETUP_TOKEN_PREFER_AGA_GRAPHICS 23 -#define SETUP_TOKEN_GAME_FRAME_DELAY 24 -#define SETUP_TOKEN_GRAPHICS_SET 25 -#define SETUP_TOKEN_SOUNDS_SET 26 -#define SETUP_TOKEN_MUSIC_SET 27 -#define SETUP_TOKEN_OVERRIDE_LEVEL_GRAPHICS 28 -#define SETUP_TOKEN_OVERRIDE_LEVEL_SOUNDS 29 -#define SETUP_TOKEN_OVERRIDE_LEVEL_MUSIC 30 - -#define NUM_GLOBAL_SETUP_TOKENS 31 +#define SETUP_TOKEN_WINDOW_SCALING_PERCENT 19 +#define SETUP_TOKEN_WINDOW_SCALING_QUALITY 20 +#define SETUP_TOKEN_ASK_ON_ESCAPE 21 +#define SETUP_TOKEN_ASK_ON_ESCAPE_EDITOR 22 +#define SETUP_TOKEN_QUICK_SWITCH 23 +#define SETUP_TOKEN_INPUT_ON_FOCUS 24 +#define SETUP_TOKEN_PREFER_AGA_GRAPHICS 25 +#define SETUP_TOKEN_GAME_FRAME_DELAY 26 +#define SETUP_TOKEN_SP_SHOW_BORDER_ELEMENTS 27 +#define SETUP_TOKEN_SMALL_GAME_GRAPHICS 28 +#define SETUP_TOKEN_GRAPHICS_SET 29 +#define SETUP_TOKEN_SOUNDS_SET 30 +#define SETUP_TOKEN_MUSIC_SET 31 +#define SETUP_TOKEN_OVERRIDE_LEVEL_GRAPHICS 32 +#define SETUP_TOKEN_OVERRIDE_LEVEL_SOUNDS 33 +#define SETUP_TOKEN_OVERRIDE_LEVEL_MUSIC 34 +#define SETUP_TOKEN_VOLUME_SIMPLE 35 +#define SETUP_TOKEN_VOLUME_LOOPS 36 +#define SETUP_TOKEN_VOLUME_MUSIC 37 +#define SETUP_TOKEN_TOUCH_CONTROL_TYPE 38 +#define SETUP_TOKEN_TOUCH_MOVE_DISTANCE 39 +#define SETUP_TOKEN_TOUCH_DROP_DISTANCE 40 + +#define NUM_GLOBAL_SETUP_TOKENS 41 /* editor setup */ #define SETUP_TOKEN_EDITOR_EL_BOULDERDASH 0 @@ -7760,8 +11418,21 @@ void SaveScore(int nr) #define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_3 5 #define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_4 6 #define SETUP_TOKEN_SHORTCUT_FOCUS_PLAYER_ALL 7 - -#define NUM_SHORTCUT_SETUP_TOKENS 8 +#define SETUP_TOKEN_SHORTCUT_TAPE_EJECT 8 +#define SETUP_TOKEN_SHORTCUT_TAPE_EXTRA 9 +#define SETUP_TOKEN_SHORTCUT_TAPE_STOP 10 +#define SETUP_TOKEN_SHORTCUT_TAPE_PAUSE 11 +#define SETUP_TOKEN_SHORTCUT_TAPE_RECORD 12 +#define SETUP_TOKEN_SHORTCUT_TAPE_PLAY 13 +#define SETUP_TOKEN_SHORTCUT_SOUND_SIMPLE 14 +#define SETUP_TOKEN_SHORTCUT_SOUND_LOOPS 15 +#define SETUP_TOKEN_SHORTCUT_SOUND_MUSIC 16 +#define SETUP_TOKEN_SHORTCUT_SNAP_LEFT 17 +#define SETUP_TOKEN_SHORTCUT_SNAP_RIGHT 18 +#define SETUP_TOKEN_SHORTCUT_SNAP_UP 19 +#define SETUP_TOKEN_SHORTCUT_SNAP_DOWN 20 + +#define NUM_SHORTCUT_SETUP_TOKENS 21 /* player setup */ #define SETUP_TOKEN_PLAYER_USE_JOYSTICK 0 @@ -7806,37 +11477,47 @@ static struct OptionInfo soi; static struct TokenInfo global_setup_tokens[] = { - { TYPE_STRING, &si.player_name, "player_name" }, - { TYPE_SWITCH, &si.sound, "sound" }, - { TYPE_SWITCH, &si.sound_loops, "repeating_sound_loops" }, - { TYPE_SWITCH, &si.sound_music, "background_music" }, - { TYPE_SWITCH, &si.sound_simple, "simple_sound_effects" }, - { TYPE_SWITCH, &si.toons, "toons" }, - { TYPE_SWITCH, &si.scroll_delay, "scroll_delay" }, - { TYPE_INTEGER,&si.scroll_delay_value,"scroll_delay_value" }, - { TYPE_SWITCH, &si.soft_scrolling, "soft_scrolling" }, - { TYPE_SWITCH, &si.fade_screens, "fade_screens" }, - { TYPE_SWITCH, &si.autorecord, "automatic_tape_recording" }, - { TYPE_SWITCH, &si.show_titlescreen, "show_titlescreen" }, - { TYPE_SWITCH, &si.quick_doors, "quick_doors" }, - { TYPE_SWITCH, &si.team_mode, "team_mode" }, - { TYPE_SWITCH, &si.handicap, "handicap" }, - { TYPE_SWITCH, &si.skip_levels, "skip_levels" }, - { TYPE_SWITCH, &si.time_limit, "time_limit" }, - { TYPE_SWITCH, &si.fullscreen, "fullscreen" }, - { TYPE_STRING, &si.fullscreen_mode, "fullscreen_mode" }, - { TYPE_SWITCH, &si.ask_on_escape, "ask_on_escape" }, - { TYPE_SWITCH, &si.ask_on_escape_editor, "ask_on_escape_editor" }, - { TYPE_SWITCH, &si.quick_switch, "quick_player_switch" }, - { TYPE_SWITCH, &si.input_on_focus, "input_on_focus" }, - { TYPE_SWITCH, &si.prefer_aga_graphics, "prefer_aga_graphics" }, - { TYPE_INTEGER,&si.game_frame_delay, "game_frame_delay" }, - { TYPE_STRING, &si.graphics_set, "graphics_set" }, - { TYPE_STRING, &si.sounds_set, "sounds_set" }, - { TYPE_STRING, &si.music_set, "music_set" }, - { TYPE_SWITCH, &si.override_level_graphics, "override_level_graphics" }, - { TYPE_SWITCH, &si.override_level_sounds, "override_level_sounds" }, - { TYPE_SWITCH, &si.override_level_music, "override_level_music" }, + { TYPE_STRING, &si.player_name, "player_name" }, + { TYPE_SWITCH, &si.sound, "sound" }, + { TYPE_SWITCH, &si.sound_loops, "repeating_sound_loops" }, + { TYPE_SWITCH, &si.sound_music, "background_music" }, + { TYPE_SWITCH, &si.sound_simple, "simple_sound_effects" }, + { TYPE_SWITCH, &si.toons, "toons" }, + { TYPE_SWITCH, &si.scroll_delay, "scroll_delay" }, + { TYPE_INTEGER,&si.scroll_delay_value, "scroll_delay_value" }, + { TYPE_SWITCH, &si.soft_scrolling, "soft_scrolling" }, + { TYPE_SWITCH, &si.fade_screens, "fade_screens" }, + { TYPE_SWITCH, &si.autorecord, "automatic_tape_recording"}, + { TYPE_SWITCH, &si.show_titlescreen, "show_titlescreen" }, + { TYPE_SWITCH, &si.quick_doors, "quick_doors" }, + { TYPE_SWITCH, &si.team_mode, "team_mode" }, + { TYPE_SWITCH, &si.handicap, "handicap" }, + { TYPE_SWITCH, &si.skip_levels, "skip_levels" }, + { TYPE_SWITCH, &si.time_limit, "time_limit" }, + { TYPE_SWITCH, &si.fullscreen, "fullscreen" }, + { TYPE_STRING, &si.fullscreen_mode, "fullscreen_mode" }, + { TYPE_INTEGER,&si.window_scaling_percent, "window_scaling_percent" }, + { TYPE_STRING, &si.window_scaling_quality, "window_scaling_quality" }, + { TYPE_SWITCH, &si.ask_on_escape, "ask_on_escape" }, + { TYPE_SWITCH, &si.ask_on_escape_editor, "ask_on_escape_editor" }, + { TYPE_SWITCH, &si.quick_switch, "quick_player_switch" }, + { TYPE_SWITCH, &si.input_on_focus, "input_on_focus" }, + { TYPE_SWITCH, &si.prefer_aga_graphics, "prefer_aga_graphics" }, + { TYPE_INTEGER,&si.game_frame_delay, "game_frame_delay" }, + { TYPE_SWITCH, &si.sp_show_border_elements, "sp_show_border_elements" }, + { TYPE_SWITCH, &si.small_game_graphics, "small_game_graphics" }, + { TYPE_STRING, &si.graphics_set, "graphics_set" }, + { TYPE_STRING, &si.sounds_set, "sounds_set" }, + { TYPE_STRING, &si.music_set, "music_set" }, + { TYPE_SWITCH3,&si.override_level_graphics, "override_level_graphics" }, + { TYPE_SWITCH3,&si.override_level_sounds, "override_level_sounds" }, + { TYPE_SWITCH3,&si.override_level_music, "override_level_music" }, + { TYPE_INTEGER,&si.volume_simple, "volume_simple" }, + { TYPE_INTEGER,&si.volume_loops, "volume_loops" }, + { TYPE_INTEGER,&si.volume_music, "volume_music" }, + { TYPE_STRING, &si.touch.control_type, "touch.control_type" }, + { TYPE_INTEGER,&si.touch.move_distance, "touch.move_distance" }, + { TYPE_INTEGER,&si.touch.drop_distance, "touch.drop_distance" }, }; static boolean not_used = FALSE; @@ -7905,6 +11586,19 @@ static struct TokenInfo shortcut_setup_tokens[] = { TYPE_KEY_X11, &ssi.focus_player[2], "shortcut.focus_player_3" }, { TYPE_KEY_X11, &ssi.focus_player[3], "shortcut.focus_player_4" }, { TYPE_KEY_X11, &ssi.focus_player_all,"shortcut.focus_player_all" }, + { TYPE_KEY_X11, &ssi.tape_eject, "shortcut.tape_eject" }, + { TYPE_KEY_X11, &ssi.tape_extra, "shortcut.tape_extra" }, + { TYPE_KEY_X11, &ssi.tape_stop, "shortcut.tape_stop" }, + { TYPE_KEY_X11, &ssi.tape_pause, "shortcut.tape_pause" }, + { TYPE_KEY_X11, &ssi.tape_record, "shortcut.tape_record" }, + { TYPE_KEY_X11, &ssi.tape_play, "shortcut.tape_play" }, + { TYPE_KEY_X11, &ssi.sound_simple, "shortcut.sound_simple" }, + { TYPE_KEY_X11, &ssi.sound_loops, "shortcut.sound_loops" }, + { TYPE_KEY_X11, &ssi.sound_music, "shortcut.sound_music" }, + { TYPE_KEY_X11, &ssi.snap_left, "shortcut.snap_left" }, + { TYPE_KEY_X11, &ssi.snap_right, "shortcut.snap_right" }, + { TYPE_KEY_X11, &ssi.snap_up, "shortcut.snap_up" }, + { TYPE_KEY_X11, &ssi.snap_down, "shortcut.snap_down" }, }; static struct TokenInfo player_setup_tokens[] = @@ -7965,8 +11659,6 @@ static void setSetupInfoToDefaults(struct SetupInfo *si) si->sound_music = TRUE; si->sound_simple = TRUE; si->toons = TRUE; - si->double_buffering = TRUE; - si->direct_draw = !si->double_buffering; si->scroll_delay = TRUE; si->scroll_delay_value = STD_SCROLL_DELAY; si->soft_scrolling = TRUE; @@ -7980,20 +11672,32 @@ static void setSetupInfoToDefaults(struct SetupInfo *si) si->time_limit = TRUE; si->fullscreen = FALSE; si->fullscreen_mode = getStringCopy(DEFAULT_FULLSCREEN_MODE); + si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT; + si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT); si->ask_on_escape = TRUE; si->ask_on_escape_editor = TRUE; si->quick_switch = FALSE; si->input_on_focus = FALSE; si->prefer_aga_graphics = TRUE; si->game_frame_delay = GAME_FRAME_DELAY; + si->sp_show_border_elements = FALSE; + si->small_game_graphics = FALSE; - si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR); - si->sounds_set = getStringCopy(SND_CLASSIC_SUBDIR); - si->music_set = getStringCopy(MUS_CLASSIC_SUBDIR); + si->graphics_set = getStringCopy(GFX_DEFAULT_SUBDIR); + si->sounds_set = getStringCopy(SND_DEFAULT_SUBDIR); + si->music_set = getStringCopy(MUS_DEFAULT_SUBDIR); si->override_level_graphics = FALSE; si->override_level_sounds = FALSE; si->override_level_music = FALSE; + si->volume_simple = 100; /* percent */ + si->volume_loops = 100; /* percent */ + si->volume_music = 100; /* percent */ + + si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT); + si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT; /* percent */ + si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT; /* percent */ + si->editor.el_boulderdash = TRUE; si->editor.el_emerald_mine = TRUE; si->editor.el_emerald_mine_club = TRUE; @@ -8022,6 +11726,22 @@ static void setSetupInfoToDefaults(struct SetupInfo *si) si->shortcut.focus_player[3] = DEFAULT_KEY_FOCUS_PLAYER_4; si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL; + si->shortcut.tape_eject = DEFAULT_KEY_TAPE_EJECT; + si->shortcut.tape_extra = DEFAULT_KEY_TAPE_EXTRA; + si->shortcut.tape_stop = DEFAULT_KEY_TAPE_STOP; + si->shortcut.tape_pause = DEFAULT_KEY_TAPE_PAUSE; + si->shortcut.tape_record = DEFAULT_KEY_TAPE_RECORD; + si->shortcut.tape_play = DEFAULT_KEY_TAPE_PLAY; + + si->shortcut.sound_simple = DEFAULT_KEY_SOUND_SIMPLE; + si->shortcut.sound_loops = DEFAULT_KEY_SOUND_LOOPS; + si->shortcut.sound_music = DEFAULT_KEY_SOUND_MUSIC; + + si->shortcut.snap_left = DEFAULT_KEY_SNAP_LEFT; + si->shortcut.snap_right = DEFAULT_KEY_SNAP_RIGHT; + si->shortcut.snap_up = DEFAULT_KEY_SNAP_UP; + si->shortcut.snap_down = DEFAULT_KEY_SNAP_DOWN; + for (i = 0; i < MAX_PLAYERS; i++) { si->input[i].use_joystick = FALSE; @@ -8047,6 +11767,19 @@ static void setSetupInfoToDefaults(struct SetupInfo *si) si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE; si->options.verbose = FALSE; + +#if defined(CREATE_SPECIAL_EDITION_RND_JUE) + si->toons = FALSE; + si->handicap = FALSE; + si->fullscreen = TRUE; + si->override_level_graphics = AUTO; + si->override_level_sounds = AUTO; + si->override_level_music = AUTO; +#endif + +#if defined(PLATFORM_ANDROID) + si->fullscreen = TRUE; +#endif } static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si) @@ -8164,8 +11897,6 @@ void LoadSetup() checkSetupFileHashIdentifier(setup_file_hash, filename,getCookie("SETUP")); decodeSetupFileHash(setup_file_hash); - setup.direct_draw = !setup.double_buffering; - freeSetupFileHash(setup_file_hash); /* needed to work around problems with fixed length strings */ @@ -8233,7 +11964,9 @@ void SaveSetup() { /* just to make things nicer :) */ if (i == SETUP_TOKEN_PLAYER_NAME + 1 || - i == SETUP_TOKEN_GRAPHICS_SET) + i == SETUP_TOKEN_GRAPHICS_SET || + i == SETUP_TOKEN_VOLUME_SIMPLE || + i == SETUP_TOKEN_TOUCH_CONTROL_TYPE) fprintf(file, "\n"); fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i)); @@ -8346,12 +12079,19 @@ void LoadCustomElementDescriptions() static int getElementFromToken(char *token) { +#if 1 + char *value = getHashEntry(element_token_hash, token); + + if (value != NULL) + return atoi(value); +#else int i; /* !!! OPTIMIZE THIS BY USING HASH !!! */ for (i = 0; i < MAX_NUM_ELEMENTS; i++) if (strEqual(token, element_info[i].token_name)) return i; +#endif Error(ERR_WARN, "unknown element token '%s'", token); @@ -8389,10 +12129,106 @@ static int get_token_parameter_value(char *token, char *value_raw) } #endif + /* !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!! */ return get_parameter_value(value_raw, suffix, TYPE_INTEGER); } -static void LoadSpecialMenuDesignSettingsFromFilename(char *filename) +void InitMenuDesignSettings_Static() +{ +#if 0 + static SetupFileHash *image_config_hash = NULL; +#endif + int i; + +#if 0 + if (image_config_hash == NULL) + { + image_config_hash = newSetupFileHash(); + + for (i = 0; image_config[i].token != NULL; i++) + setHashEntry(image_config_hash, + image_config[i].token, + image_config[i].value); + } +#endif + +#if 1 + /* always start with reliable default values from static default config */ + for (i = 0; image_config_vars[i].token != NULL; i++) + { + char *value = getHashEntry(image_config_hash, image_config_vars[i].token); + + if (value != NULL) + *image_config_vars[i].value = + get_token_parameter_value(image_config_vars[i].token, value); + } + +#else + + int j; + + /* always start with reliable default values from static default config */ + for (i = 0; image_config_vars[i].token != NULL; i++) + for (j = 0; image_config[j].token != NULL; j++) + if (strEqual(image_config_vars[i].token, image_config[j].token)) + *image_config_vars[i].value = + get_token_parameter_value(image_config_vars[i].token, + image_config[j].value); +#endif +} + +static void InitMenuDesignSettings_SpecialPreProcessing() +{ + int i; + + /* the following initializes hierarchical values from static configuration */ + + /* special case: initialize "ARG_DEFAULT" values in static default config */ + /* (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode") */ + titlemessage_initial_default.fade_mode = title_initial_default.fade_mode; + titlemessage_initial_default.fade_delay = title_initial_default.fade_delay; + titlemessage_initial_default.post_delay = title_initial_default.post_delay; + titlemessage_initial_default.auto_delay = title_initial_default.auto_delay; + titlemessage_default.fade_mode = title_default.fade_mode; + titlemessage_default.fade_delay = title_default.fade_delay; + titlemessage_default.post_delay = title_default.post_delay; + titlemessage_default.auto_delay = title_default.auto_delay; + + /* special case: initialize "ARG_DEFAULT" values in static default config */ + /* (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode") */ + for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++) + { + titlemessage_initial[i] = titlemessage_initial_default; + titlemessage[i] = titlemessage_default; + } + + /* special case: initialize "ARG_DEFAULT" values in static default config */ + /* (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz") */ + for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++) + { + menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT]; + menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT]; + } + + /* special case: initialize "ARG_DEFAULT" values in static default config */ + /* (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz") */ + for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++) + { + viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT]; + viewport.door_1[i] = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT]; + if (i != GFX_SPECIAL_ARG_EDITOR) /* editor value already initialized */ + viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT]; + } +} + +static void InitMenuDesignSettings_SpecialPostProcessing() +{ + /* special case: initialize later added SETUP list size from LEVELS value */ + if (menu.list_size[GAME_MODE_SETUP] == -1) + menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS]; +} + +static void LoadMenuDesignSettingsFromFilename(char *filename) { static struct TitleMessageInfo tmi; static struct TokenInfo titlemessage_tokens[] = @@ -8433,7 +12269,7 @@ static void LoadSpecialMenuDesignSettingsFromFilename(char *filename) int i, j, k; #if 0 - printf("LoadSpecialMenuDesignSettings from file '%s' ...\n", filename); + printf("LoadMenuDesignSettings from file '%s' ...\n", filename); #endif if ((setup_file_hash = loadSetupFileHash(filename)) == NULL) @@ -8458,7 +12294,7 @@ static void LoadSpecialMenuDesignSettingsFromFilename(char *filename) } /* special case: initialize with default values that may be overwritten */ - /* (eg, init "menu.draw_xoffset.INFO[MUSIC]" from "menu.draw_xoffset.INFO") */ + /* (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO") */ for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++) { char *value_1 = getHashEntry(setup_file_hash, "menu.draw_xoffset.INFO"); @@ -8470,6 +12306,19 @@ static void LoadSpecialMenuDesignSettingsFromFilename(char *filename) menu.draw_yoffset_info[i] = get_integer_from_string(value_2); } + /* special case: initialize with default values that may be overwritten */ + /* (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP") */ + for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++) + { + char *value_1 = getHashEntry(setup_file_hash, "menu.draw_xoffset.SETUP"); + char *value_2 = getHashEntry(setup_file_hash, "menu.draw_yoffset.SETUP"); + + if (value_1 != NULL) + menu.draw_xoffset_setup[i] = get_integer_from_string(value_1); + if (value_2 != NULL) + menu.draw_yoffset_setup[i] = get_integer_from_string(value_2); + } + /* special case: initialize with default values that may be overwritten */ /* (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz") */ for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++) @@ -8507,6 +12356,78 @@ static void LoadSpecialMenuDesignSettingsFromFilename(char *filename) value_6); } + /* special case: initialize with default values that may be overwritten */ + /* (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz") */ + for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++) + { + char *token_01 = "viewport.playfield.x"; + char *token_02 = "viewport.playfield.y"; + char *token_03 = "viewport.playfield.width"; + char *token_04 = "viewport.playfield.height"; + char *token_05 = "viewport.playfield.border_size"; + char *token_06 = "viewport.door_1.x"; + char *token_07 = "viewport.door_1.y"; + char *token_08 = "viewport.door_1.width"; + char *token_09 = "viewport.door_1.height"; + char *token_10 = "viewport.door_1.border_size"; + char *token_11 = "viewport.door_2.x"; + char *token_12 = "viewport.door_2.y"; + char *token_13 = "viewport.door_2.width"; + char *token_14 = "viewport.door_2.height"; + char *token_15 = "viewport.door_2.border_size"; + char *value_01 = getHashEntry(setup_file_hash, token_01); + char *value_02 = getHashEntry(setup_file_hash, token_02); + char *value_03 = getHashEntry(setup_file_hash, token_03); + char *value_04 = getHashEntry(setup_file_hash, token_04); + char *value_05 = getHashEntry(setup_file_hash, token_05); + char *value_06 = getHashEntry(setup_file_hash, token_06); + char *value_07 = getHashEntry(setup_file_hash, token_07); + char *value_08 = getHashEntry(setup_file_hash, token_08); + char *value_09 = getHashEntry(setup_file_hash, token_09); + char *value_10 = getHashEntry(setup_file_hash, token_10); + char *value_11 = getHashEntry(setup_file_hash, token_11); + char *value_12 = getHashEntry(setup_file_hash, token_12); + char *value_13 = getHashEntry(setup_file_hash, token_13); + char *value_14 = getHashEntry(setup_file_hash, token_14); + char *value_15 = getHashEntry(setup_file_hash, token_15); + + if (value_01 != NULL) + viewport.playfield[i].x = get_token_parameter_value(token_01, value_01); + if (value_02 != NULL) + viewport.playfield[i].y = get_token_parameter_value(token_02, value_02); + if (value_03 != NULL) + viewport.playfield[i].width = get_token_parameter_value(token_03, + value_03); + if (value_04 != NULL) + viewport.playfield[i].height = get_token_parameter_value(token_04, + value_04); + if (value_05 != NULL) + viewport.playfield[i].border_size = get_token_parameter_value(token_05, + value_05); + if (value_06 != NULL) + viewport.door_1[i].x = get_token_parameter_value(token_06, value_06); + if (value_07 != NULL) + viewport.door_1[i].y = get_token_parameter_value(token_07, value_07); + if (value_08 != NULL) + viewport.door_1[i].width = get_token_parameter_value(token_08, value_08); + if (value_09 != NULL) + viewport.door_1[i].height = get_token_parameter_value(token_09, value_09); + if (value_10 != NULL) + viewport.door_1[i].border_size = get_token_parameter_value(token_10, + value_10); + if (value_11 != NULL) + viewport.door_2[i].x = get_token_parameter_value(token_11, value_11); + if (value_12 != NULL) + viewport.door_2[i].y = get_token_parameter_value(token_12, value_12); + if (value_13 != NULL) + viewport.door_2[i].width = get_token_parameter_value(token_13, value_13); + if (value_14 != NULL) + viewport.door_2[i].height = get_token_parameter_value(token_14, value_14); + if (value_15 != NULL) + viewport.door_1[i].border_size = get_token_parameter_value(token_15, + value_15); + } + /* special case: initialize with default values that may be overwritten */ /* (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode") */ for (i = 0; titlemessage_arrays[i].array != NULL; i++) @@ -8531,83 +12452,55 @@ static void LoadSpecialMenuDesignSettingsFromFilename(char *filename) *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value; else *(int *)titlemessage_tokens[j].value = (int)parameter_value; - - array[k] = tmi; - } - } - - free(token); - } - } - - /* read (and overwrite with) values that may be specified in config file */ - for (i = 0; image_config_vars[i].token != NULL; i++) - { - char *value = getHashEntry(setup_file_hash, image_config_vars[i].token); - - if (value != NULL) - *image_config_vars[i].value = - get_token_parameter_value(image_config_vars[i].token, value); - } - - freeSetupFileHash(setup_file_hash); -} - -void LoadSpecialMenuDesignSettings() -{ - char *filename_base = UNDEFINED_FILENAME, *filename_local; - int i, j; - - /* always start with reliable default values from static default config */ - for (i = 0; image_config_vars[i].token != NULL; i++) - for (j = 0; image_config[j].token != NULL; j++) - if (strEqual(image_config_vars[i].token, image_config[j].token)) - *image_config_vars[i].value = - get_token_parameter_value(image_config_vars[i].token, - image_config[j].value); - - /* the following initializes hierarchical values from static configuration */ - - /* special case: initialize "ARG_DEFAULT" values in static default config */ - /* (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode") */ - titlemessage_initial_default.fade_mode = title_initial_default.fade_mode; - titlemessage_initial_default.fade_delay = title_initial_default.fade_delay; - titlemessage_initial_default.post_delay = title_initial_default.post_delay; - titlemessage_initial_default.auto_delay = title_initial_default.auto_delay; - titlemessage_default.fade_mode = title_default.fade_mode; - titlemessage_default.fade_delay = title_default.fade_delay; - titlemessage_default.post_delay = title_default.post_delay; - titlemessage_default.auto_delay = title_default.auto_delay; - - /* special case: initialize "ARG_DEFAULT" values in static default config */ - /* (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode") */ - for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++) - { - titlemessage_initial[i] = titlemessage_initial_default; - titlemessage[i] = titlemessage_default; + + array[k] = tmi; + } + } + + free(token); + } } - /* special case: initialize "ARG_DEFAULT" values in static default config */ - /* (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz") */ - for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++) + /* read (and overwrite with) values that may be specified in config file */ + for (i = 0; image_config_vars[i].token != NULL; i++) { - menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT]; - menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT]; + char *value = getHashEntry(setup_file_hash, image_config_vars[i].token); + + /* (ignore definitions set to "[DEFAULT]" which are already initialized) */ + if (value != NULL && !strEqual(value, ARG_DEFAULT)) + *image_config_vars[i].value = + get_token_parameter_value(image_config_vars[i].token, value); } + freeSetupFileHash(setup_file_hash); +} + +void LoadMenuDesignSettings() +{ + char *filename_base = UNDEFINED_FILENAME, *filename_local; + + InitMenuDesignSettings_Static(); + InitMenuDesignSettings_SpecialPreProcessing(); + +#if 1 + if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS)) +#else if (!SETUP_OVERRIDE_ARTWORK(setup, ARTWORK_TYPE_GRAPHICS)) +#endif { /* first look for special settings configured in level series config */ filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS); if (fileExists(filename_base)) - LoadSpecialMenuDesignSettingsFromFilename(filename_base); + LoadMenuDesignSettingsFromFilename(filename_base); } filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS); if (filename_local != NULL && !strEqual(filename_base, filename_local)) - LoadSpecialMenuDesignSettingsFromFilename(filename_local); + LoadMenuDesignSettingsFromFilename(filename_local); + + InitMenuDesignSettings_SpecialPostProcessing(); } void LoadUserDefinedEditorElementList(int **elements, int *num_elements) @@ -8765,7 +12658,7 @@ static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music, /* ---------- music file info found ---------- */ - memset(&tmp_music_file_info, 0, sizeof(struct MusicFileInfo)); + clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo)); for (i = 0; token_to_value_ptr[i].token != NULL; i++) { @@ -8815,6 +12708,160 @@ static boolean sound_info_listed(struct MusicFileInfo *list, char *basename) return music_info_listed_ext(list, basename, TRUE); } +#if 1 + +void LoadMusicInfo() +{ + char *music_directory = getCustomMusicDirectory(); + int num_music = getMusicListSize(); + int num_music_noconf = 0; + int num_sounds = getSoundListSize(); + Directory *dir; + DirectoryEntry *dir_entry; + struct FileInfo *music, *sound; + struct MusicFileInfo *next, **new; + int i; + + while (music_file_info != NULL) + { + next = music_file_info->next; + + checked_free(music_file_info->basename); + + checked_free(music_file_info->title_header); + checked_free(music_file_info->artist_header); + checked_free(music_file_info->album_header); + checked_free(music_file_info->year_header); + + checked_free(music_file_info->title); + checked_free(music_file_info->artist); + checked_free(music_file_info->album); + checked_free(music_file_info->year); + + free(music_file_info); + + music_file_info = next; + } + + new = &music_file_info; + + for (i = 0; i < num_music; i++) + { + music = getMusicListEntry(i); + + if (music->filename == NULL) + continue; + + if (strEqual(music->filename, UNDEFINED_FILENAME)) + continue; + + /* a configured file may be not recognized as music */ + if (!FileIsMusic(music->filename)) + continue; + +#if 0 + printf("::: -> '%s' (configured)\n", music->filename); +#endif + + if (!music_info_listed(music_file_info, music->filename)) + { + *new = get_music_file_info(music->filename, i); +#if 0 + if (*new != NULL) + printf(":1: adding '%s' ['%s'] ...\n", (*new)->title, music->filename); +#endif + if (*new != NULL) + new = &(*new)->next; + } + } + + if ((dir = openDirectory(music_directory)) == NULL) + { + Error(ERR_WARN, "cannot read music directory '%s'", music_directory); + return; + } + + while ((dir_entry = readDirectory(dir)) != NULL) /* loop all entries */ + { + char *basename = dir_entry->basename; + boolean music_already_used = FALSE; + int i; + + /* skip all music files that are configured in music config file */ + for (i = 0; i < num_music; i++) + { + music = getMusicListEntry(i); + + if (music->filename == NULL) + continue; + + if (strEqual(basename, music->filename)) + { + music_already_used = TRUE; + break; + } + } + + if (music_already_used) + continue; + + if (!FileIsMusic(basename)) + continue; + +#if 0 + printf("::: -> '%s' (found in directory)\n", basename); +#endif + + if (!music_info_listed(music_file_info, basename)) + { + *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf)); +#if 0 + if (*new != NULL) + printf(":2: adding '%s' ['%s'] ...\n", (*new)->title, basename); +#endif + if (*new != NULL) + new = &(*new)->next; + } + + num_music_noconf++; + } + + closeDirectory(dir); + + for (i = 0; i < num_sounds; i++) + { + sound = getSoundListEntry(i); + + if (sound->filename == NULL) + continue; + + if (strEqual(sound->filename, UNDEFINED_FILENAME)) + continue; + + /* a configured file may be not recognized as sound */ + if (!FileIsSound(sound->filename)) + continue; + +#if 0 + printf("::: -> '%s' (configured)\n", sound->filename); +#endif + + if (!sound_info_listed(music_file_info, sound->filename)) + { + *new = get_sound_file_info(sound->filename, i); + if (*new != NULL) + new = &(*new)->next; + } + } + +#if 0 + for (next = music_file_info; next != NULL; next = next->next) + printf("::: title == '%s'\n", next->title); +#endif +} + +#else + void LoadMusicInfo() { char *music_directory = getCustomMusicDirectory(); @@ -8871,6 +12918,10 @@ void LoadMusicInfo() if (!music_info_listed(music_file_info, music->filename)) { *new = get_music_file_info(music->filename, i); +#if 0 + if (*new != NULL) + printf(":1: adding '%s' ['%s'] ...\n", (*new)->title, music->filename); +#endif if (*new != NULL) new = &(*new)->next; } @@ -8916,6 +12967,10 @@ void LoadMusicInfo() if (!music_info_listed(music_file_info, basename)) { *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf)); +#if 0 + if (*new != NULL) + printf(":2: adding '%s' ['%s'] ...\n", (*new)->title, basename); +#endif if (*new != NULL) new = &(*new)->next; } @@ -8957,6 +13012,8 @@ void LoadMusicInfo() #endif } +#endif + void add_helpanim_entry(int element, int action, int direction, int delay, int *num_list_entries) { @@ -9238,9 +13295,9 @@ void LoadHelpTextInfo() } -/* ------------------------------------------------------------------------- * - * convert levels - * ------------------------------------------------------------------------- */ +/* ------------------------------------------------------------------------- */ +/* convert levels */ +/* ------------------------------------------------------------------------- */ #define MAX_NUM_CONVERT_LEVELS 1000 @@ -9350,3 +13407,173 @@ void ConvertLevels() CloseAllAndExit(0); } + + +/* ------------------------------------------------------------------------- */ +/* create and save images for use in level sketches (raw BMP format) */ +/* ------------------------------------------------------------------------- */ + +void CreateLevelSketchImages() +{ +#if defined(TARGET_SDL) + Bitmap *bitmap1; + Bitmap *bitmap2; + int i; + + InitElementPropertiesGfxElement(); + + bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH); + bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH); + + for (i = 0; i < NUM_FILE_ELEMENTS; i++) + { + Bitmap *src_bitmap; + int src_x, src_y; + int element = getMappedElement(i); + int graphic = el2edimg(element); + char basename1[16]; + char basename2[16]; + char *filename1; + char *filename2; + + sprintf(basename1, "%03d.bmp", i); + sprintf(basename2, "%03ds.bmp", i); + + filename1 = getPath2(global.create_images_dir, basename1); + filename2 = getPath2(global.create_images_dir, basename2); + + getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y); + BlitBitmap(src_bitmap, bitmap1, src_x, src_y, TILEX, TILEY, + 0, 0); + + if (SDL_SaveBMP(bitmap1->surface, filename1) != 0) + Error(ERR_EXIT, "cannot save level sketch image file '%s'", filename1); + + getMiniGraphicSource(graphic, &src_bitmap, &src_x, &src_y); + BlitBitmap(src_bitmap, bitmap2, src_x, src_y, MINI_TILEX, MINI_TILEY, 0, 0); + + if (SDL_SaveBMP(bitmap2->surface, filename2) != 0) + Error(ERR_EXIT, "cannot save level sketch image file '%s'", filename2); + + free(filename1); + free(filename2); + + if (options.debug) + printf("%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n')); + } + + FreeBitmap(bitmap1); + FreeBitmap(bitmap2); + + if (options.debug) + printf("\n"); + + Error(ERR_INFO, "%d normal and small images created", NUM_FILE_ELEMENTS); + + CloseAllAndExit(0); +#endif +} + + +/* ------------------------------------------------------------------------- */ +/* create and save images for custom and group elements (raw BMP format) */ +/* ------------------------------------------------------------------------- */ + +void CreateCustomElementImages() +{ +#if defined(TARGET_SDL) + char *filename = "graphics.classic/RocksCE.bmp"; + Bitmap *bitmap; + Bitmap *src_bitmap; + int dummy_graphic = IMG_CUSTOM_99; + int yoffset_ce = 0; + int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16); + int src_x, src_y; + int i; + + bitmap = CreateBitmap(TILEX * 16 * 2, + TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16, + DEFAULT_DEPTH); + + getFixedGraphicSource(dummy_graphic, 0, &src_bitmap, &src_x, &src_y); + + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int x = i % 16; + int y = i / 16; + int ii = i + 1; + int j; + + BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY, + TILEX * x, TILEY * y + yoffset_ce); + + BlitBitmap(src_bitmap, bitmap, 0, TILEY, + TILEX, TILEY, + TILEX * x + TILEX * 16, + TILEY * y + yoffset_ce); + + for (j = 2; j >= 0; j--) + { + int c = ii % 10; + + BlitBitmap(src_bitmap, bitmap, + TILEX + c * 7, 0, 6, 10, + TILEX * x + 6 + j * 7, + TILEY * y + 11 + yoffset_ce); + + BlitBitmap(src_bitmap, bitmap, + TILEX + c * 8, TILEY, 6, 10, + TILEX * 16 + TILEX * x + 6 + j * 8, + TILEY * y + 10 + yoffset_ce); + + ii /= 10; + } + } + + for (i = 0; i < NUM_GROUP_ELEMENTS; i++) + { + int x = i % 16; + int y = i / 16; + int ii = i + 1; + int j; + + BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY, + TILEX * x, TILEY * y + yoffset_ge); + + BlitBitmap(src_bitmap, bitmap, 0, TILEY, + TILEX, TILEY, + TILEX * x + TILEX * 16, + TILEY * y + yoffset_ge); + + for (j = 1; j >= 0; j--) + { + int c = ii % 10; + + BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10, + TILEX * x + 6 + j * 10, + TILEY * y + 11 + yoffset_ge); + + BlitBitmap(src_bitmap, bitmap, + TILEX + c * 8, TILEY + 12, 6, 10, + TILEX * 16 + TILEX * x + 10 + j * 8, + TILEY * y + 10 + yoffset_ge); + + ii /= 10; + } + } + + if (SDL_SaveBMP(bitmap->surface, filename) != 0) + Error(ERR_EXIT, "cannot save CE graphics file '%s'", filename); + + FreeBitmap(bitmap); + + CloseAllAndExit(0); +#endif +} + +#if 0 +void CreateLevelSketchImages_TEST() +{ + void CreateCustomElementImages() +} +#endif