X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Ffiles.c;h=ad444f0208d837d8842b314ab94744ff8ef104d6;hb=d3ffb1e08b58d32e36682e8376c26dd5585bb421;hp=a77b4463660c5821680defce31430e15ed4d09b7;hpb=d7d97176a88ee47f893055480c76b9c05a253d05;p=rocksndiamonds.git diff --git a/src/files.c b/src/files.c index a77b4463..ad444f02 100644 --- a/src/files.c +++ b/src/files.c @@ -1,1386 +1,5185 @@ /*********************************************************** -* Rocks'n'Diamonds -- McDuffin Strikes Back! * +* Rocks'n'Diamonds -- McDuffin Strikes Back! * *----------------------------------------------------------* -* (c) 1995-98 Artsoft Entertainment * -* Holger Schemel * -* Oststrasse 11a * -* 33604 Bielefeld * -* phone: ++49 +521 290471 * -* email: aeglos@valinor.owl.de * +* (c) 1995-2002 Artsoft Entertainment * +* Holger Schemel * +* Detmolder Strasse 189 * +* 33604 Bielefeld * +* Germany * +* e-mail: info@artsoft.org * *----------------------------------------------------------* -* files.h * +* files.c * ***********************************************************/ #include +#include +#include +#include + +#include "libgame/libgame.h" #include "files.h" +#include "init.h" #include "tools.h" -#include "misc.h" #include "tape.h" -#include "joystick.h" -boolean CreateNewScoreFile() + +#define CHUNK_ID_LEN 4 /* IFF style chunk id length */ +#define CHUNK_SIZE_UNDEFINED 0 /* undefined chunk size == 0 */ +#define CHUNK_SIZE_NONE -1 /* do not write chunk size */ +#define FILE_VERS_CHUNK_SIZE 8 /* size of file version chunk */ +#define LEVEL_HEADER_SIZE 80 /* size of level file header */ +#define LEVEL_HEADER_UNUSED 0 /* unused level header bytes */ +#define LEVEL_CHUNK_CNT2_SIZE 160 /* size of level CNT2 chunk */ +#define LEVEL_CHUNK_CNT2_UNUSED 11 /* unused CNT2 chunk bytes */ +#define LEVEL_CHUNK_CNT3_HEADER 16 /* size of level CNT3 header */ +#define LEVEL_CHUNK_CNT3_UNUSED 10 /* unused CNT3 chunk bytes */ +#define LEVEL_CPART_CUS3_SIZE 134 /* size of CUS3 chunk part */ +#define LEVEL_CPART_CUS3_UNUSED 15 /* unused CUS3 bytes / part */ +#define LEVEL_CHUNK_GRP1_SIZE 74 /* size of level GRP1 chunk */ +#define TAPE_HEADER_SIZE 20 /* size of tape file header */ +#define TAPE_HEADER_UNUSED 3 /* unused tape header bytes */ + +#define LEVEL_CHUNK_CNT3_SIZE(x) (LEVEL_CHUNK_CNT3_HEADER + (x)) +#define LEVEL_CHUNK_CUS3_SIZE(x) (2 + (x) * LEVEL_CPART_CUS3_SIZE) +#define LEVEL_CHUNK_CUS4_SIZE(x) (48 + 48 + (x) * 48) + +/* file identifier strings */ +#define LEVEL_COOKIE_TMPL "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_x.x" +#define TAPE_COOKIE_TMPL "ROCKSNDIAMONDS_TAPE_FILE_VERSION_x.x" +#define SCORE_COOKIE "ROCKSNDIAMONDS_SCORE_FILE_VERSION_1.2" + +static struct { - int i,j,k; - char filename[MAX_FILENAME_LEN]; - char empty_alias[MAX_NAMELEN]; - FILE *file; + int filetype; + char *id; +} +filetype_id_list[] = +{ + { LEVEL_FILE_TYPE_RND, "RND" }, + { LEVEL_FILE_TYPE_BD, "BD" }, + { LEVEL_FILE_TYPE_EM, "EM" }, + { LEVEL_FILE_TYPE_SP, "SP" }, + { LEVEL_FILE_TYPE_DX, "DX" }, + { LEVEL_FILE_TYPE_SB, "SB" }, + { LEVEL_FILE_TYPE_DC, "DC" }, + { -1, NULL }, +}; + + +/* ========================================================================= */ +/* level file functions */ +/* ========================================================================= */ + +void setElementChangePages(struct ElementInfo *ei, int change_pages) +{ + int change_page_size = sizeof(struct ElementChangeInfo); + + ei->num_change_pages = MAX(1, change_pages); + + ei->change_page = + checked_realloc(ei->change_page, ei->num_change_pages * change_page_size); + + if (ei->current_change_page >= ei->num_change_pages) + ei->current_change_page = ei->num_change_pages - 1; + + ei->change = &ei->change_page[ei->current_change_page]; +} + +void setElementChangeInfoToDefaults(struct ElementChangeInfo *change) +{ + int i, x, y; + + change->can_change = FALSE; + + for (i = 0; i < NUM_CHANGE_EVENTS; i++) + change->has_event[i] = FALSE; + + change->trigger_player = CH_PLAYER_ANY; + change->trigger_side = CH_SIDE_ANY; + change->trigger_page = CH_PAGE_ANY; + + change->target_element = EL_EMPTY_SPACE; + + change->delay_fixed = 0; + change->delay_random = 0; + change->delay_frames = 1; + + change->trigger_element = EL_EMPTY_SPACE; + + change->explode = FALSE; + change->use_target_content = FALSE; + change->only_if_complete = FALSE; + change->use_random_replace = FALSE; + change->random_percentage = 100; + change->replace_when = CP_WHEN_EMPTY; + + change->has_action = FALSE; + change->action_type = CA_NO_ACTION; + change->action_mode = CA_MODE_UNDEFINED; + change->action_arg = CA_ARG_UNDEFINED; + + for (x = 0; x < 3; x++) + for (y = 0; y < 3; y++) + change->target_content[x][y] = EL_EMPTY_SPACE; + + change->direct_action = 0; + change->other_action = 0; + + change->pre_change_function = NULL; + change->change_function = NULL; + change->post_change_function = NULL; +} + +static void setLevelInfoToDefaults(struct LevelInfo *level) +{ + static boolean clipboard_elements_initialized = FALSE; + int i, j, x, y; + + setLevelInfoToDefaults_EM(); + + level->native_em_level = &native_em_level; + + level->game_engine_type = GAME_ENGINE_TYPE_RND; + + level->file_version = FILE_VERSION_ACTUAL; + level->game_version = GAME_VERSION_ACTUAL; + + level->encoding_16bit_field = FALSE; /* default: only 8-bit elements */ + level->encoding_16bit_yamyam = FALSE; /* default: only 8-bit elements */ + level->encoding_16bit_amoeba = FALSE; /* default: only 8-bit elements */ + + level->fieldx = STD_LEV_FIELDX; + level->fieldy = STD_LEV_FIELDY; + + for (x = 0; x < MAX_LEV_FIELDX; x++) + for (y = 0; y < MAX_LEV_FIELDY; y++) + level->field[x][y] = EL_SAND; + + level->time = 100; + level->gems_needed = 0; + + level->amoeba_speed = 10; + + level->time_magic_wall = 10; + level->time_wheel = 10; + level->time_light = 10; + level->time_timegate = 10; + + level->amoeba_content = EL_DIAMOND; + + level->double_speed = FALSE; + level->initial_gravity = FALSE; + level->em_slippery_gems = FALSE; + level->instant_relocation = FALSE; + level->can_pass_to_walkable = FALSE; + level->grow_into_diggable = TRUE; + + level->block_last_field = FALSE; /* EM does not block by default */ + level->sp_block_last_field = TRUE; /* SP blocks the last field */ + + level->can_move_into_acid_bits = ~0; /* everything can move into acid */ + level->dont_collide_with_bits = ~0; /* always deadly when colliding */ + + level->use_spring_bug = FALSE; + level->use_step_counter = FALSE; + + /* values for the new EMC elements */ + level->android_move_time = 10; + level->android_clone_time = 10; + level->ball_random = FALSE; + level->ball_state_initial = FALSE; + level->ball_time = 10; + level->lenses_score = 10; + level->magnify_score = 10; + level->slurp_score = 10; + level->lenses_time = 10; + level->magnify_time = 10; + level->wind_direction_initial = MV_NO_MOVING; + for (i = 0; i < NUM_MAGIC_BALL_CONTENTS; i++) + for (x = 0; x < 3; x++) + for (y = 0; y < 3; y++) + level->ball_content[i][x][y] = EL_EMPTY; + for (i = 0; i < 16; i++) + level->android_array[i] = FALSE; + + level->use_custom_template = FALSE; + + 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); + + for (i = 0; i < 4; i++) + { + level->envelope_text[i][0] = '\0'; + level->envelope_xsize[i] = MAX_ENVELOPE_XSIZE; + level->envelope_ysize[i] = MAX_ENVELOPE_YSIZE; + } + + for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) + level->score[i] = 10; + + level->num_yamyam_contents = STD_ELEMENT_CONTENTS; + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (x = 0; x < 3; x++) + for (y = 0; y < 3; y++) + level->yamyam_content[i][x][y] = + (i < STD_ELEMENT_CONTENTS ? EL_ROCK : EL_EMPTY); + + level->field[0][0] = EL_PLAYER_1; + level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED; + + for (i = 0; i < MAX_NUM_ELEMENTS; i++) + { + int element = i; + + /* never initialize clipboard elements after the very first time */ + if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized) + continue; + + setElementChangePages(&element_info[element], 1); + setElementChangeInfoToDefaults(element_info[element].change); + + if (IS_CUSTOM_ELEMENT(element) || + IS_GROUP_ELEMENT(element) || + IS_INTERNAL_ELEMENT(element)) + { + for (j = 0; j < MAX_ELEMENT_NAME_LEN + 1; j++) + element_info[element].description[j] = '\0'; + + if (element_info[element].custom_description != NULL) + strncpy(element_info[element].description, + element_info[element].custom_description,MAX_ELEMENT_NAME_LEN); + else + strcpy(element_info[element].description, + element_info[element].editor_description); + + element_info[element].use_gfx_element = FALSE; + element_info[element].gfx_element = EL_EMPTY_SPACE; + + element_info[element].modified_settings = FALSE; + } + + if (IS_CUSTOM_ELEMENT(element) || + IS_INTERNAL_ELEMENT(element)) + { + element_info[element].access_direction = MV_ALL_DIRECTIONS; + + element_info[element].collect_score_initial = 10; /* special default */ + element_info[element].collect_count_initial = 1; /* special default */ + + element_info[element].push_delay_fixed = -1; /* initialize later */ + element_info[element].push_delay_random = -1; /* initialize later */ + element_info[element].drop_delay_fixed = 0; + element_info[element].drop_delay_random = 0; + element_info[element].move_delay_fixed = 0; + element_info[element].move_delay_random = 0; + + element_info[element].move_pattern = MV_ALL_DIRECTIONS; + element_info[element].move_direction_initial = MV_START_AUTOMATIC; + element_info[element].move_stepsize = TILEX / 8; + + element_info[element].move_enter_element = EL_EMPTY_SPACE; + element_info[element].move_leave_element = EL_EMPTY_SPACE; + element_info[element].move_leave_type = LEAVE_TYPE_UNLIMITED; + + element_info[element].slippery_type = SLIPPERY_ANY_RANDOM; + + element_info[element].explosion_type = EXPLODES_3X3; + element_info[element].explosion_delay = 16; + element_info[element].ignition_delay = 8; + + for (x = 0; x < 3; x++) + for (y = 0; y < 3; y++) + element_info[element].content[x][y] = EL_EMPTY_SPACE; + + element_info[element].access_type = 0; + element_info[element].access_layer = 0; + element_info[element].access_protected = 0; + element_info[element].walk_to_action = 0; + element_info[element].smash_targets = 0; + element_info[element].deadliness = 0; + + element_info[element].can_explode_by_fire = FALSE; + element_info[element].can_explode_smashed = FALSE; + element_info[element].can_explode_impact = FALSE; + + element_info[element].current_change_page = 0; + + /* start with no properties at all */ + for (j = 0; j < NUM_EP_BITFIELDS; j++) + Properties[element][j] = EP_BITMASK_DEFAULT; + + /* now set default properties */ + SET_PROPERTY(element, EP_CAN_MOVE_INTO_ACID, TRUE); + } + + if (IS_GROUP_ELEMENT(element) || + IS_INTERNAL_ELEMENT(element)) + { + /* initialize memory for list of elements in group */ + if (element_info[element].group == NULL) + element_info[element].group = + checked_malloc(sizeof(struct ElementGroupInfo)); + + for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++) + element_info[element].group->element[j] = EL_EMPTY_SPACE; + + /* default: only one element in group */ + element_info[element].group->num_elements = 1; + + element_info[element].group->choice_mode = ANIM_RANDOM; + } + } + + clipboard_elements_initialized = TRUE; + + BorderElement = EL_STEELWALL; + + level->no_valid_file = FALSE; + + level->changed = FALSE; + + if (leveldir_current == NULL) /* only when dumping level */ + return; + + /* try to determine better author name than 'anonymous' */ + if (strcmp(leveldir_current->author, ANONYMOUS_NAME) != 0) + { + 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 setFileInfoToDefaults(struct LevelFileInfo *level_file_info) +{ + level_file_info->nr = 0; + level_file_info->type = LEVEL_FILE_TYPE_UNKNOWN; + level_file_info->packed = FALSE; + level_file_info->basename = NULL; + level_file_info->filename = NULL; +} + +static void ActivateLevelTemplate() +{ + /* Currently there is no special action needed to activate the template + data, because 'element_info' and 'Properties' overwrite the original + level data, while all other variables do not change. */ +} + +static char *getLevelFilenameFromBasename(char *basename) +{ + static char *filename = NULL; + + checked_free(filename); + + filename = getPath2(getCurrentLevelDir(), basename); + + return filename; +} + +static int getFileTypeFromBasename(char *basename) +{ + 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 (strlen(basename) == 10 && (strncmp(basename, "levels.d", 8) == 0 || + strncmp(basename, "LEVELS.D", 8) == 0)) + return LEVEL_FILE_TYPE_SP; + + /* ---------- try to determine file type from filesize ---------- */ + + checked_free(filename); + filename = getPath2(getCurrentLevelDir(), basename); + + if (stat(filename, &file_status) == 0) + { + /* check for typical filesize of a Supaplex level package file */ + if (file_status.st_size == 170496) + return LEVEL_FILE_TYPE_SP; + } + + return LEVEL_FILE_TYPE_UNKNOWN; +} + +static char *getSingleLevelBasename(int nr) +{ + static char basename[MAX_FILENAME_LEN]; + + if (nr < 0) + sprintf(basename, "template.%s", LEVELFILE_EXTENSION); + else + sprintf(basename, "%03d.%s", nr, LEVELFILE_EXTENSION); + + return basename; +} + +static char *getPackedLevelBasename(int type) +{ + static char basename[MAX_FILENAME_LEN]; + char *directory = getCurrentLevelDir(); + DIR *dir; + struct dirent *dir_entry; + + strcpy(basename, UNDEFINED_FILENAME); /* default: undefined file */ + + if ((dir = opendir(directory)) == NULL) + { + Error(ERR_WARN, "cannot read current level directory '%s'", directory); + + return basename; + } + + while ((dir_entry = readdir(dir)) != NULL) /* loop until last dir entry */ + { + char *entry_basename = dir_entry->d_name; + 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; + } + } + } + + closedir(dir); + + return basename; +} + +static char *getSingleLevelFilename(int nr) +{ + return getLevelFilenameFromBasename(getSingleLevelBasename(nr)); +} + +#if 0 +static char *getPackedLevelFilename(int type) +{ + return getLevelFilenameFromBasename(getPackedLevelBasename(type)); +} +#endif + +char *getDefaultLevelFilename(int nr) +{ + return getSingleLevelFilename(nr); +} + +#if 0 +static void setLevelFileInfo_SingleLevelFilename(struct LevelFileInfo *lfi, + int type) +{ + lfi->type = type; + lfi->packed = FALSE; + lfi->basename = getSingleLevelBasename(lfi->nr, lfi->type); + lfi->filename = getLevelFilenameFromBasename(lfi->basename); +} +#endif + +static void setLevelFileInfo_FormatLevelFilename(struct LevelFileInfo *lfi, + int type, char *format, ...) +{ + static char basename[MAX_FILENAME_LEN]; + va_list ap; + + va_start(ap, format); + vsprintf(basename, format, ap); + va_end(ap); + + lfi->type = type; + lfi->packed = FALSE; + lfi->basename = basename; + lfi->filename = getLevelFilenameFromBasename(lfi->basename); +} + +static void setLevelFileInfo_PackedLevelFilename(struct LevelFileInfo *lfi, + int type) +{ + lfi->type = type; + lfi->packed = TRUE; + lfi->basename = getPackedLevelBasename(lfi->type); + lfi->filename = getLevelFilenameFromBasename(lfi->basename); +} + +static int getFiletypeFromID(char *filetype_id) +{ + char *filetype_id_lower; + int filetype = LEVEL_FILE_TYPE_UNKNOWN; + int i; + + if (filetype_id == NULL) + return LEVEL_FILE_TYPE_UNKNOWN; + + filetype_id_lower = getStringToLower(filetype_id); + + for (i = 0; filetype_id_list[i].id != NULL; i++) + { + char *id_lower = getStringToLower(filetype_id_list[i].id); + + if (strcmp(filetype_id_lower, id_lower) == 0) + filetype = filetype_id_list[i].filetype; + + free(id_lower); + + if (filetype != LEVEL_FILE_TYPE_UNKNOWN) + break; + } + + free(filetype_id_lower); + + return filetype; +} + +static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi) +{ + int nr = lfi->nr; + + /* special case: level number is negative => check for level template file */ + if (nr < 0) + { + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND, + "template.%s", LEVELFILE_EXTENSION); + + /* no fallback if template file not existing */ + return; + } + + /* special case: check for file name/pattern specified in "levelinfo.conf" */ + if (leveldir_current->level_filename != NULL) + { + int filetype = getFiletypeFromID(leveldir_current->level_filetype); + + setLevelFileInfo_FormatLevelFilename(lfi, filetype, + leveldir_current->level_filename, nr); + if (fileExists(lfi->filename)) + return; + } + + /* check for native Rocks'n'Diamonds level file */ + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND, + "%03d.%s", nr, LEVELFILE_EXTENSION); + if (fileExists(lfi->filename)) + return; + + /* check for Emerald Mine level file (V1) */ + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "a%c%c", + 'a' + (nr / 10) % 26, '0' + nr % 10); + if (fileExists(lfi->filename)) + return; + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "A%c%c", + 'A' + (nr / 10) % 26, '0' + nr % 10); + if (fileExists(lfi->filename)) + return; + + /* check for Emerald Mine level file (V2 to V5) */ + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%d", nr); + if (fileExists(lfi->filename)) + return; + + /* check for Emerald Mine level file (V6 / single mode) */ + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02ds", nr); + if (fileExists(lfi->filename)) + return; + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dS", nr); + if (fileExists(lfi->filename)) + return; + + /* check for Emerald Mine level file (V6 / teamwork mode) */ + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dt", nr); + if (fileExists(lfi->filename)) + return; + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dT", nr); + if (fileExists(lfi->filename)) + return; + + /* check for various packed level file formats */ + setLevelFileInfo_PackedLevelFilename(lfi, LEVEL_FILE_TYPE_UNKNOWN); + if (fileExists(lfi->filename)) + return; + + /* no known level file found -- use default values (and fail later) */ + setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND, + "%03d.%s", nr, LEVELFILE_EXTENSION); +} + +static void determineLevelFileInfo_Filetype(struct LevelFileInfo *lfi) +{ + if (lfi->type == LEVEL_FILE_TYPE_UNKNOWN) + lfi->type = getFileTypeFromBasename(lfi->basename); +} + +static void setLevelFileInfo(struct LevelFileInfo *level_file_info, int nr) +{ + /* always start with reliable default values */ + setFileInfoToDefaults(level_file_info); + + level_file_info->nr = nr; /* set requested level number */ + + determineLevelFileInfo_Filename(level_file_info); + determineLevelFileInfo_Filetype(level_file_info); +} + +/* ------------------------------------------------------------------------- */ +/* functions for loading R'n'D level */ +/* ------------------------------------------------------------------------- */ + +int getMappedElement(int element) +{ + /* remap some (historic, now obsolete) elements */ + + switch (element) + { + case EL_PLAYER_OBSOLETE: + element = EL_PLAYER_1; + break; + + case EL_KEY_OBSOLETE: + element = EL_KEY_1; + + case EL_EM_KEY_1_FILE_OBSOLETE: + element = EL_EM_KEY_1; + break; + + case EL_EM_KEY_2_FILE_OBSOLETE: + element = EL_EM_KEY_2; + break; + + case EL_EM_KEY_3_FILE_OBSOLETE: + element = EL_EM_KEY_3; + break; + + case EL_EM_KEY_4_FILE_OBSOLETE: + element = EL_EM_KEY_4; + break; + + case EL_ENVELOPE_OBSOLETE: + element = EL_ENVELOPE_1; + break; + + case EL_SP_EMPTY: + element = EL_EMPTY; + break; + + default: + if (element >= NUM_FILE_ELEMENTS) + { + Error(ERR_WARN, "invalid level element %d", element); + + element = EL_UNKNOWN; + } + break; + } + + return element; +} + +int getMappedElementByVersion(int element, int game_version) +{ + /* remap some elements due to certain game version */ + + if (game_version <= VERSION_IDENT(2,2,0,0)) + { + /* map game font elements */ + element = (element == EL_CHAR('[') ? EL_CHAR_AUMLAUT : + element == EL_CHAR('\\') ? EL_CHAR_OUMLAUT : + element == EL_CHAR(']') ? EL_CHAR_UUMLAUT : + element == EL_CHAR('^') ? EL_CHAR_COPYRIGHT : element); + } + + if (game_version < VERSION_IDENT(3,0,0,0)) + { + /* map Supaplex gravity tube elements */ + element = (element == EL_SP_GRAVITY_PORT_LEFT ? EL_SP_PORT_LEFT : + element == EL_SP_GRAVITY_PORT_RIGHT ? EL_SP_PORT_RIGHT : + element == EL_SP_GRAVITY_PORT_UP ? EL_SP_PORT_UP : + element == EL_SP_GRAVITY_PORT_DOWN ? EL_SP_PORT_DOWN : + element); + } + + return element; +} + +static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level) +{ + level->file_version = getFileVersion(file); + level->game_version = getFileVersion(file); + + return chunk_size; +} + +static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int i, x, y; + + level->fieldx = getFile8Bit(file); + level->fieldy = getFile8Bit(file); + + level->time = getFile16BitBE(file); + level->gems_needed = getFile16BitBE(file); + + for (i = 0; i < MAX_LEVEL_NAME_LEN; i++) + level->name[i] = getFile8Bit(file); + level->name[MAX_LEVEL_NAME_LEN] = 0; + + for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) + level->score[i] = getFile8Bit(file); + + 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][x][y] = getMappedElement(getFile8Bit(file)); + + level->amoeba_speed = getFile8Bit(file); + level->time_magic_wall = getFile8Bit(file); + level->time_wheel = getFile8Bit(file); + level->amoeba_content = getMappedElement(getFile8Bit(file)); + level->double_speed = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->initial_gravity = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->encoding_16bit_field = (getFile8Bit(file) == 1 ? TRUE : FALSE); + level->em_slippery_gems = (getFile8Bit(file) == 1 ? TRUE : FALSE); + + level->use_custom_template = (getFile8Bit(file) == 1 ? TRUE : FALSE); + + 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_HEADER_UNUSED); + + return chunk_size; +} + +static int LoadLevel_AUTH(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int i; + + for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++) + level->author[i] = getFile8Bit(file); + level->author[MAX_LEVEL_NAME_LEN] = 0; + + return chunk_size; +} + +static int LoadLevel_BODY(FILE *file, int chunk_size, struct LevelInfo *level) +{ + int x, y; + int chunk_size_expected = level->fieldx * level->fieldy; + + /* 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) + { + ReadUnusedBytesFromFile(file, chunk_size); + return chunk_size_expected; + } + + 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; +} + +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; + + /* 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 += content_size; + + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size); + return chunk_size_expected; + } + + getFile8Bit(file); + level->num_yamyam_contents = getFile8Bit(file); + getFile8Bit(file); + getFile8Bit(file); + + /* 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; + + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i][x][y] = + getMappedElement(level->encoding_16bit_field ? + getFile16BitBE(file) : getFile8Bit(file)); + return chunk_size; +} + +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 content_array[MAX_ELEMENT_CONTENTS][3][3]; + + element = getMappedElement(getFile16BitBE(file)); + num_contents = getFile8Bit(file); + content_xsize = getFile8Bit(file); + content_ysize = getFile8Bit(file); + + ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED); + + 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)); + + /* correct invalid number of content fields -- should never happen */ + if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS) + num_contents = STD_ELEMENT_CONTENTS; + + if (element == EL_YAMYAM) + { + level->num_yamyam_contents = num_contents; + + for (i = 0; i < num_contents; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + level->yamyam_content[i][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); + } + + return chunk_size; +} + +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; + + element = getMappedElement(getFile16BitBE(file)); + if (!IS_ENVELOPE(element)) + element = EL_ENVELOPE_1; + + envelope_nr = element - EL_ENVELOPE_1; + + envelope_len = getFile16BitBE(file); + + level->envelope_xsize[envelope_nr] = getFile8Bit(file); + level->envelope_ysize[envelope_nr] = 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_text[envelope_nr][i] = getFile8Bit(file); + + return chunk_size; +} + +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; + + 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 = getFile16BitBE(file); + int properties = getFile32BitBE(file); + + if (IS_CUSTOM_ELEMENT(element)) + Properties[element][EP_BITFIELD_BASE] = properties; + else + Error(ERR_WARN, "invalid custom element number %d", element); + } + + return chunk_size; +} + +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; + 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 = getFile16BitBE(file); + int custom_target_element = 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 = getFile16BitBE(file); + unsigned long 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++) + element_info[element].description[j] = getFile8Bit(file); + element_info[element].description[MAX_ELEMENT_NAME_LEN] = 0; + + Properties[element][EP_BITFIELD_BASE] = getFile32BitBE(file); + + /* some free bytes for future properties and padding */ + ReadUnusedBytesFromFile(file, 7); + + element_info[element].use_gfx_element = getFile8Bit(file); + element_info[element].gfx_element = + getMappedElement(getFile16BitBE(file)); + + element_info[element].collect_score_initial = getFile8Bit(file); + element_info[element].collect_count_initial = getFile8Bit(file); + + element_info[element].push_delay_fixed = getFile16BitBE(file); + element_info[element].push_delay_random = getFile16BitBE(file); + element_info[element].move_delay_fixed = getFile16BitBE(file); + element_info[element].move_delay_random = getFile16BitBE(file); + + element_info[element].move_pattern = getFile16BitBE(file); + element_info[element].move_direction_initial = getFile8Bit(file); + element_info[element].move_stepsize = getFile8Bit(file); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + element_info[element].content[x][y] = + getMappedElement(getFile16BitBE(file)); + + event_bits = getFile32BitBE(file); + for (j = 0; j < NUM_CHANGE_EVENTS; j++) + if (event_bits & (1 << j)) + element_info[element].change->has_event[j] = TRUE; + + element_info[element].change->target_element = + getMappedElement(getFile16BitBE(file)); + + element_info[element].change->delay_fixed = getFile16BitBE(file); + element_info[element].change->delay_random = getFile16BitBE(file); + element_info[element].change->delay_frames = getFile16BitBE(file); + + element_info[element].change->trigger_element = + getMappedElement(getFile16BitBE(file)); + + element_info[element].change->explode = getFile8Bit(file); + element_info[element].change->use_target_content = getFile8Bit(file); + element_info[element].change->only_if_complete = getFile8Bit(file); + element_info[element].change->use_random_replace = getFile8Bit(file); + + element_info[element].change->random_percentage = getFile8Bit(file); + element_info[element].change->replace_when = getFile8Bit(file); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + element_info[element].change->target_content[x][y] = + getMappedElement(getFile16BitBE(file)); + + element_info[element].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 */ + element_info[element].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; + + element = 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; + + Properties[element][EP_BITFIELD_BASE] = getFile32BitBE(file); + ReadUnusedBytesFromFile(file, 4); /* reserved for more base properties */ + + ei->num_change_pages = getFile8Bit(file); + + /* some free bytes for future base property values and padding */ + ReadUnusedBytesFromFile(file, 5); + + chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages); + if (chunk_size_expected != chunk_size) + { + ReadUnusedBytesFromFile(file, chunk_size - 48); + return chunk_size_expected; + } + + /* read custom property values */ + + ei->use_gfx_element = getFile8Bit(file); + ei->gfx_element = 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[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); + + /* read change property values */ + + setElementChangePages(ei, ei->num_change_pages); + + for (i = 0; i < ei->num_change_pages; i++) + { + struct ElementChangeInfo *change = &ei->change_page[i]; + unsigned long event_bits; + + /* always start with reliable default values */ + setElementChangeInfoToDefaults(change); + + event_bits = getFile32BitBE(file); + for (j = 0; j < NUM_CHANGE_EVENTS; 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->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[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); + + /* some free bytes for future change property values and padding */ + ReadUnusedBytesFromFile(file, 1); + } + + /* 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 = 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 = 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 void LoadLevelFromFileInfo_RND(struct LevelInfo *level, + struct LevelFileInfo *level_file_info) +{ + 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 (level != &level_template) + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + + return; + } + + getFileChunkBE(file, chunk_name, NULL); + if (strcmp(chunk_name, "RND1") == 0) + { + getFile32BitBE(file); /* not used */ + + getFileChunkBE(file, chunk_name, NULL); + if (strcmp(chunk_name, "CAVE") != 0) + { + 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); + fgets(&cookie[4], MAX_LINE_LEN - 4, file); + 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_HEADER_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", FILE_VERS_CHUNK_SIZE, LoadLevel_VERS }, + { "HEAD", LEVEL_HEADER_SIZE, LoadLevel_HEAD }, + { "AUTH", MAX_LEVEL_AUTHOR_LEN, LoadLevel_AUTH }, + { "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 }, + { NULL, 0, NULL } + }; + + while (getFileChunkBE(file, chunk_name, &chunk_size)) + { + int i = 0; + + while (chunk_info[i].name != NULL && + strcmp(chunk_name, chunk_info[i].name) != 0) + 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); +} + +/* ------------------------------------------------------------------------- */ +/* 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; + + 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][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 *ply1 = level_em->ply1; + struct PLAYER *ply2 = level_em->ply2; + 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][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->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 = level->wind_direction_initial; + + for (i = 0; i < NUM_MAGIC_BALL_CONTENTS; i++) + for (j = 0; j < 8; j++) + lev->ball_array[i][j] = + map_element_RND_to_EM(level-> + ball_content[i][ball_xy[j][0]][ball_xy[j][1]]); + + for (i = 0; i < 16; i++) + lev->android_array[i] = FALSE; /* !!! YET TO COME !!! */ + + /* 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; + + /* 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]); + + if (level->field[x][y] == EL_AMOEBA_DEAD) + new_element = map_element_RND_to_EM(EL_AMOEBA_WET); + + level_em->cave[x + 1][y + 1] = new_element; + } + + ply1->x_initial = 0; + ply1->y_initial = 0; + + ply2->x_initial = 0; + ply2->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 (level->field[x][y] == EL_PLAYER_1) + { + ply1->x_initial = x + 1; + ply1->y_initial = y + 1; + level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_EMPTY); + } + else if (level->field[x][y] == EL_PLAYER_2) + { + ply2->x_initial = x + 1; + ply2->y_initial = y + 1; + level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_EMPTY); + } + } +} + +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 *ply1 = level_em->ply1; + struct PLAYER *ply2 = level_em->ply2; + 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][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->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 = lev->wind_direction_initial; + + for (i = 0; i < NUM_MAGIC_BALL_CONTENTS; i++) + for (j = 0; j < 8; j++) + level->ball_content[i][ball_xy[j][0]][ball_xy[j][1]] = + map_element_EM_to_RND(lev->ball_array[i][j]); + + for (i = 0; i < 16; i++) + level->android_array[i] = FALSE; /* !!! YET TO COME !!! */ + + /* 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; + } + + /* in case of both players set to the same field, use the first player */ + level->field[ply2->x_initial - 1][ply2->y_initial - 1] = EL_PLAYER_2; + level->field[ply1->x_initial - 1][ply1->y_initial - 1] = EL_PLAYER_1; + +#if 0 + printf("::: native Emerald Mine file version: %d\n", level_em->file_version); +#endif +} + +static void LoadLevelFromFileInfo_EM(struct LevelInfo *level, + struct LevelFileInfo *level_file_info) +{ + if (!LoadNativeLevel_EM(level_file_info->filename)) + level->no_valid_file = TRUE; +} + +void CopyNativeLevel_RND_to_Native(struct LevelInfo *level) +{ + if (level->game_engine_type == GAME_ENGINE_TYPE_EM) + CopyNativeLevel_RND_to_EM(level); +} + +void CopyNativeLevel_Native_to_RND(struct LevelInfo *level) +{ + if (level->game_engine_type == GAME_ENGINE_TYPE_EM) + CopyNativeLevel_EM_to_RND(level); +} + + +/* ------------------------------------------------------------------------- */ +/* functions for loading SP level */ +/* ------------------------------------------------------------------------- */ + +#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 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" */ + level->initial_gravity = (fgetc(file) == 1 ? TRUE : FALSE); + + 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; + + for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) + level->score[i] = 0; /* !!! CORRECT THIS !!! */ + + /* 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][x][y] = EL_EMPTY; +} + +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; + + if (!(file = fopen(filename, MODE_READ))) + { + level->no_valid_file = TRUE; + + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + + return; + } + + /* 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; + + Error(ERR_WARN, "cannot fseek level '%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 || + strcmp(level->name, multipart_level.name) != 0)) + { + /* 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; +} + +/* ------------------------------------------------------------------------- */ +/* functions for loading generic level */ +/* ------------------------------------------------------------------------- */ + +void LoadLevelFromFileInfo(struct LevelInfo *level, + struct LevelFileInfo *level_file_info) +{ + /* always start with reliable default values */ + setLevelInfoToDefaults(level); + + switch (level_file_info->type) + { + case LEVEL_FILE_TYPE_RND: + LoadLevelFromFileInfo_RND(level, level_file_info); + break; + + case LEVEL_FILE_TYPE_EM: + LoadLevelFromFileInfo_EM(level, level_file_info); + level->game_engine_type = GAME_ENGINE_TYPE_EM; + break; + + case LEVEL_FILE_TYPE_SP: + LoadLevelFromFileInfo_SP(level, level_file_info); + break; + + default: + LoadLevelFromFileInfo_RND(level, level_file_info); + break; + } + + /* if level file is invalid, restore level structure to default values */ + if (level->no_valid_file) + setLevelInfoToDefaults(level); + + if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN) + level->game_engine_type = GAME_ENGINE_TYPE_RND; + + if (level_file_info->type == LEVEL_FILE_TYPE_RND) + CopyNativeLevel_RND_to_Native(level); + else + CopyNativeLevel_Native_to_RND(level); +} + +void LoadLevelFromFilename(struct LevelInfo *level, char *filename) +{ + static struct LevelFileInfo level_file_info; + + /* always start with reliable default values */ + setFileInfoToDefaults(&level_file_info); + + level_file_info.nr = 0; /* unknown level number */ + level_file_info.type = LEVEL_FILE_TYPE_RND; /* no others supported yet */ + level_file_info.filename = filename; + + LoadLevelFromFileInfo(level, &level_file_info); +} + +static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename) +{ + if (leveldir_current == NULL) /* only when dumping level */ + return; + +#if 0 + printf("::: sort_priority: %d\n", leveldir_current->sort_priority); +#endif + + /* determine correct game engine version of current level */ + if (!leveldir_current->latest_engine) + { + /* For all levels which are not forced to use the latest game engine + version (normally user contributed, private and undefined levels), + use the version of the game engine the levels were created for. + + Since 2.0.1, the game engine version is now directly stored + in the level file (chunk "VERS"), so there is no need anymore + to set the game version from the file version (except for old, + pre-2.0 levels, where the game version is still taken from the + file format version used to store the level -- see above). */ + + /* player was faster than enemies in 1.0.0 and before */ + if (level->file_version == FILE_VERSION_1_0) + level->double_speed = TRUE; + + /* default behaviour for EM style gems was "slippery" only in 2.0.1 */ + if (level->game_version == VERSION_IDENT(2,0,1,0)) + level->em_slippery_gems = TRUE; + + /* springs could be pushed over pits before (pre-release version) 2.2.0 */ + if (level->game_version < VERSION_IDENT(2,2,0,0)) + level->use_spring_bug = TRUE; + + /* only few elements were able to actively move into acid before 3.1.0 */ + /* trigger settings did not exist before 3.1.0; set to default "any" */ + if (level->game_version < VERSION_IDENT(3,1,0,0)) + { + int i, j; + + /* correct "can move into acid" settings (all zero in old levels) */ + + level->can_move_into_acid_bits = 0; /* nothing can move into acid */ + level->dont_collide_with_bits = 0; /* nothing is deadly when colliding */ + + setMoveIntoAcidProperty(level, EL_ROBOT, TRUE); + setMoveIntoAcidProperty(level, EL_SATELLITE, TRUE); + setMoveIntoAcidProperty(level, EL_PENGUIN, TRUE); + setMoveIntoAcidProperty(level, EL_BALLOON, TRUE); + + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + SET_PROPERTY(EL_CUSTOM_START + i, EP_CAN_MOVE_INTO_ACID, TRUE); + + /* correct trigger settings (stored as zero == "none" in old levels) */ + + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + struct ElementInfo *ei = &element_info[element]; + + for (j = 0; j < ei->num_change_pages; j++) + { + struct ElementChangeInfo *change = &ei->change_page[j]; + + change->trigger_player = CH_PLAYER_ANY; + change->trigger_page = CH_PAGE_ANY; + } + } + } + } + else /* always use the latest game engine version */ + { + /* For all levels which are forced to use the latest game engine version + (normally all but user contributed, private and undefined levels), set + the game engine version to the actual version; this allows for actual + corrections in the game engine to take effect for existing, converted + levels (from "classic" or other existing games) to make the emulation + of the corresponding game more accurate, while (hopefully) not breaking + existing levels created from other players. */ + + level->game_version = GAME_VERSION_ACTUAL; + + /* Set special EM style gems behaviour: EM style gems slip down from + normal, steel and growing wall. As this is a more fundamental change, + it seems better to set the default behaviour to "off" (as it is more + natural) and make it configurable in the level editor (as a property + of gem style elements). Already existing converted levels (neither + private nor contributed levels) are changed to the new behaviour. */ + + if (level->file_version < FILE_VERSION_2_0) + level->em_slippery_gems = TRUE; + } +} + +static void LoadLevel_InitElements(struct LevelInfo *level, char *filename) +{ + int i, j, x, y; + + /* map custom element change events that have changed in newer versions + (these following values were accidentally changed in version 3.0.1) + (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4') */ + if (level->game_version <= VERSION_IDENT(3,0,0,0)) + { + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + /* order of checking and copying events to be mapped is important */ + for (j = CE_BY_OTHER_ACTION; j >= CE_COUNT_AT_ZERO; j--) + { + if (HAS_CHANGE_EVENT(element, j - 2)) + { + SET_CHANGE_EVENT(element, j - 2, FALSE); + SET_CHANGE_EVENT(element, j, TRUE); + } + } + + /* order of checking and copying events to be mapped is important */ + for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--) + { + if (HAS_CHANGE_EVENT(element, j - 1)) + { + SET_CHANGE_EVENT(element, j - 1, FALSE); + SET_CHANGE_EVENT(element, j, TRUE); + } + } + } + } + + /* initialize "can_change" field for old levels with only one change page */ + if (level->game_version <= VERSION_IDENT(3,0,2,0)) + { + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + if (CAN_CHANGE(element)) + element_info[element].change->can_change = TRUE; + } + } + + /* correct custom element values (for old levels without these options) */ + if (level->game_version < VERSION_IDENT(3,1,1,0)) + { + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + struct ElementInfo *ei = &element_info[element]; + + if (ei->access_direction == MV_NO_DIRECTIONS) + ei->access_direction = MV_ALL_DIRECTIONS; + +#if 0 + for (j = 0; j < ei->num_change_pages; j++) + { + struct ElementChangeInfo *change = &ei->change_page[j]; + + if (change->trigger_side == CH_SIDE_NONE) + change->trigger_side = CH_SIDE_ANY; + } +#endif + } + } + + /* correct custom element values (fix invalid values for all versions) */ + if (1) + { + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + struct ElementInfo *ei = &element_info[element]; + + for (j = 0; j < ei->num_change_pages; j++) + { + struct ElementChangeInfo *change = &ei->change_page[j]; + + if (change->trigger_player == CH_PLAYER_NONE) + change->trigger_player = CH_PLAYER_ANY; + + if (change->trigger_side == CH_SIDE_NONE) + change->trigger_side = CH_SIDE_ANY; + } + } + } + + /* initialize "can_explode" field for old levels which did not store this */ + /* !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!! */ + if (level->game_version <= VERSION_IDENT(3,1,0,0)) + { + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + if (EXPLODES_1X1_OLD(element)) + element_info[element].explosion_type = EXPLODES_1X1; + + SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) || + EXPLODES_SMASHED(element) || + EXPLODES_IMPACT(element))); + } + } + + /* correct previously hard-coded move delay values for maze runner style */ + if (level->game_version < VERSION_IDENT(3,1,1,0)) + { + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE) + { + /* previously hard-coded and therefore ignored */ + element_info[element].move_delay_fixed = 9; + element_info[element].move_delay_random = 0; + } + } + } + + /* map elements that have changed in newer versions */ + level->amoeba_content = getMappedElementByVersion(level->amoeba_content, + level->game_version); + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (x = 0; x < 3; x++) + for (y = 0; y < 3; y++) + level->yamyam_content[i][x][y] = + getMappedElementByVersion(level->yamyam_content[i][x][y], + level->game_version); + + /* initialize element properties for level editor etc. */ + InitElementPropertiesEngine(level->game_version); +} + +static void LoadLevel_InitPlayfield(struct LevelInfo *level, char *filename) +{ + int x, y; + + /* map elements that have changed in newer versions */ + for (y = 0; y < level->fieldy; y++) + for (x = 0; x < level->fieldx; x++) + level->field[x][y] = getMappedElementByVersion(level->field[x][y], + level->game_version); + + /* copy elements to runtime playfield array */ + for (x = 0; x < MAX_LEV_FIELDX; x++) + for (y = 0; y < MAX_LEV_FIELDY; y++) + Feld[x][y] = level->field[x][y]; + + /* initialize level size variables for faster access */ + lev_fieldx = level->fieldx; + lev_fieldy = level->fieldy; + + /* determine border element for this level */ + SetBorderElement(); +} + +void LoadLevelTemplate(int nr) +{ + char *filename; + + setLevelFileInfo(&level_template.file_info, nr); + filename = level_template.file_info.filename; + + LoadLevelFromFileInfo(&level_template, &level_template.file_info); + + LoadLevel_InitVersion(&level_template, filename); + LoadLevel_InitElements(&level_template, filename); + + ActivateLevelTemplate(); +} + +void LoadLevel(int nr) +{ + char *filename; + + setLevelFileInfo(&level.file_info, nr); + filename = level.file_info.filename; + + LoadLevelFromFileInfo(&level, &level.file_info); + + if (level.use_custom_template) + LoadLevelTemplate(-1); + + LoadLevel_InitVersion(&level, filename); + LoadLevel_InitElements(&level, filename); + LoadLevel_InitPlayfield(&level, filename); +} + +static void SaveLevel_VERS(FILE *file, struct LevelInfo *level) +{ + putFileVersion(file, level->file_version); + putFileVersion(file, level->game_version); +} + +static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level) +{ + int i, x, y; + + putFile8Bit(file, level->fieldx); + putFile8Bit(file, level->fieldy); + + putFile16BitBE(file, level->time); + putFile16BitBE(file, level->gems_needed); + + for (i = 0; i < MAX_LEVEL_NAME_LEN; i++) + putFile8Bit(file, level->name[i]); + + for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++) + putFile8Bit(file, level->score[i]); + + for (i = 0; i < STD_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY : + level->yamyam_content[i][x][y])); + putFile8Bit(file, level->amoeba_speed); + putFile8Bit(file, level->time_magic_wall); + putFile8Bit(file, level->time_wheel); + putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY : + level->amoeba_content)); + putFile8Bit(file, (level->double_speed ? 1 : 0)); + putFile8Bit(file, (level->initial_gravity ? 1 : 0)); + putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0)); + putFile8Bit(file, (level->em_slippery_gems ? 1 : 0)); + + putFile8Bit(file, (level->use_custom_template ? 1 : 0)); + + putFile8Bit(file, (level->block_last_field ? 1 : 0)); + putFile8Bit(file, (level->sp_block_last_field ? 1 : 0)); + putFile32BitBE(file, level->can_move_into_acid_bits); + putFile8Bit(file, level->dont_collide_with_bits); + + putFile8Bit(file, (level->use_spring_bug ? 1 : 0)); + putFile8Bit(file, (level->use_step_counter ? 1 : 0)); + + putFile8Bit(file, (level->instant_relocation ? 1 : 0)); + putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0)); + putFile8Bit(file, (level->grow_into_diggable ? 1 : 0)); + + putFile8Bit(file, level->game_engine_type); + + WriteUnusedBytesToFile(file, LEVEL_HEADER_UNUSED); +} + +static void SaveLevel_AUTH(FILE *file, struct LevelInfo *level) +{ + int i; + + for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++) + putFile8Bit(file, level->author[i]); +} + +static void SaveLevel_BODY(FILE *file, struct LevelInfo *level) +{ + int x, y; + + for (y = 0; y < level->fieldy; y++) + for (x = 0; x < level->fieldx; x++) + if (level->encoding_16bit_field) + putFile16BitBE(file, level->field[x][y]); + else + putFile8Bit(file, level->field[x][y]); +} + +#if 0 +static void SaveLevel_CONT(FILE *file, struct LevelInfo *level) +{ + int i, x, y; + + putFile8Bit(file, EL_YAMYAM); + putFile8Bit(file, level->num_yamyam_contents); + putFile8Bit(file, 0); + putFile8Bit(file, 0); + + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + if (level->encoding_16bit_field) + putFile16BitBE(file, level->yamyam_content[i][x][y]); + else + putFile8Bit(file, level->yamyam_content[i][x][y]); +} +#endif + +static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element) +{ + int i, x, y; + int num_contents, content_xsize, content_ysize; + int content_array[MAX_ELEMENT_CONTENTS][3][3]; + + if (element == EL_YAMYAM) + { + num_contents = level->num_yamyam_contents; + content_xsize = 3; + content_ysize = 3; + + 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] = level->yamyam_content[i][x][y]; + } + else if (element == EL_BD_AMOEBA) + { + num_contents = 1; + content_xsize = 1; + content_ysize = 1; + + 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] = EL_EMPTY; + content_array[0][0][0] = level->amoeba_content; + } + else + { + /* chunk header already written -- write empty chunk data */ + WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE); + + Error(ERR_WARN, "cannot save content for element '%d'", element); + return; + } + + putFile16BitBE(file, element); + putFile8Bit(file, num_contents); + putFile8Bit(file, content_xsize); + putFile8Bit(file, content_ysize); + + WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED); + + for (i = 0; i < MAX_ELEMENT_CONTENTS; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + putFile16BitBE(file, content_array[i][x][y]); +} + +static void SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element) +{ + int i; + int envelope_nr = element - EL_ENVELOPE_1; + int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1; + + putFile16BitBE(file, element); + putFile16BitBE(file, envelope_len); + putFile8Bit(file, level->envelope_xsize[envelope_nr]); + putFile8Bit(file, level->envelope_ysize[envelope_nr]); + + WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED); + + for (i = 0; i < envelope_len; i++) + putFile8Bit(file, level->envelope_text[envelope_nr][i]); +} + +#if 0 +static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level, + int num_changed_custom_elements) +{ + int i, check = 0; + + putFile16BitBE(file, num_changed_custom_elements); + + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + if (Properties[element][EP_BITFIELD_BASE] != EP_BITMASK_DEFAULT) + { + if (check < num_changed_custom_elements) + { + putFile16BitBE(file, element); + putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]); + } + + check++; + } + } + + if (check != num_changed_custom_elements) /* should not happen */ + Error(ERR_WARN, "inconsistent number of custom element properties"); +} +#endif + +#if 0 +static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level, + int num_changed_custom_elements) +{ + int i, check = 0; + + putFile16BitBE(file, num_changed_custom_elements); + + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + if (element_info[element].change->target_element != EL_EMPTY_SPACE) + { + if (check < num_changed_custom_elements) + { + putFile16BitBE(file, element); + putFile16BitBE(file, element_info[element].change->target_element); + } + + check++; + } + } + + if (check != num_changed_custom_elements) /* should not happen */ + Error(ERR_WARN, "inconsistent number of custom target elements"); +} +#endif + +#if 0 +static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level, + int num_changed_custom_elements) +{ + int i, j, x, y, check = 0; + + putFile16BitBE(file, num_changed_custom_elements); + + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + if (element_info[element].modified_settings) + { + if (check < num_changed_custom_elements) + { + putFile16BitBE(file, element); + + for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++) + putFile8Bit(file, element_info[element].description[j]); + + putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]); + + /* some free bytes for future properties and padding */ + WriteUnusedBytesToFile(file, 7); + + putFile8Bit(file, element_info[element].use_gfx_element); + putFile16BitBE(file, element_info[element].gfx_element); + + putFile8Bit(file, element_info[element].collect_score_initial); + putFile8Bit(file, element_info[element].collect_count_initial); + + putFile16BitBE(file, element_info[element].push_delay_fixed); + putFile16BitBE(file, element_info[element].push_delay_random); + putFile16BitBE(file, element_info[element].move_delay_fixed); + putFile16BitBE(file, element_info[element].move_delay_random); + + putFile16BitBE(file, element_info[element].move_pattern); + putFile8Bit(file, element_info[element].move_direction_initial); + putFile8Bit(file, element_info[element].move_stepsize); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + putFile16BitBE(file, element_info[element].content[x][y]); + + putFile32BitBE(file, element_info[element].change->events); + + putFile16BitBE(file, element_info[element].change->target_element); + + putFile16BitBE(file, element_info[element].change->delay_fixed); + putFile16BitBE(file, element_info[element].change->delay_random); + putFile16BitBE(file, element_info[element].change->delay_frames); + + putFile16BitBE(file, element_info[element].change->trigger_element); + + putFile8Bit(file, element_info[element].change->explode); + putFile8Bit(file, element_info[element].change->use_target_content); + putFile8Bit(file, element_info[element].change->only_if_complete); + putFile8Bit(file, element_info[element].change->use_random_replace); + + putFile8Bit(file, element_info[element].change->random_percentage); + putFile8Bit(file, element_info[element].change->replace_when); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + putFile16BitBE(file, element_info[element].change->content[x][y]); + + putFile8Bit(file, element_info[element].slippery_type); + + /* some free bytes for future properties and padding */ + WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED); + } + + check++; + } + } + + if (check != num_changed_custom_elements) /* should not happen */ + Error(ERR_WARN, "inconsistent number of custom element properties"); +} +#endif + +static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element) +{ + struct ElementInfo *ei = &element_info[element]; + int i, j, x, y; + + putFile16BitBE(file, element); + + for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++) + putFile8Bit(file, ei->description[i]); + + putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]); + WriteUnusedBytesToFile(file, 4); /* reserved for more base properties */ + + putFile8Bit(file, ei->num_change_pages); + + /* some free bytes for future base property values and padding */ + WriteUnusedBytesToFile(file, 5); + + /* write custom property values */ + + putFile8Bit(file, ei->use_gfx_element); + putFile16BitBE(file, ei->gfx_element); + + putFile8Bit(file, ei->collect_score_initial); + putFile8Bit(file, ei->collect_count_initial); + + putFile8Bit(file, ei->drop_delay_fixed); + putFile8Bit(file, ei->push_delay_fixed); + putFile8Bit(file, ei->drop_delay_random); + putFile8Bit(file, ei->push_delay_random); + putFile16BitBE(file, ei->move_delay_fixed); + putFile16BitBE(file, ei->move_delay_random); + + /* bits 0 - 15 of "move_pattern" ... */ + putFile16BitBE(file, ei->move_pattern & 0xffff); + putFile8Bit(file, ei->move_direction_initial); + putFile8Bit(file, ei->move_stepsize); + + putFile8Bit(file, ei->slippery_type); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + putFile16BitBE(file, ei->content[x][y]); + + putFile16BitBE(file, ei->move_enter_element); + putFile16BitBE(file, ei->move_leave_element); + putFile8Bit(file, ei->move_leave_type); + + /* ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible) */ + putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff); + + putFile8Bit(file, ei->access_direction); + + putFile8Bit(file, ei->explosion_delay); + putFile8Bit(file, ei->ignition_delay); + putFile8Bit(file, ei->explosion_type); + + /* some free bytes for future custom property values and padding */ + WriteUnusedBytesToFile(file, 1); + + /* write change property values */ + + for (i = 0; i < ei->num_change_pages; i++) + { + struct ElementChangeInfo *change = &ei->change_page[i]; + unsigned long event_bits = 0; + + for (j = 0; j < NUM_CHANGE_EVENTS; j++) + if (change->has_event[j]) + event_bits |= (1 << j); + + putFile32BitBE(file, event_bits); + + putFile16BitBE(file, change->target_element); + + putFile16BitBE(file, change->delay_fixed); + putFile16BitBE(file, change->delay_random); + putFile16BitBE(file, change->delay_frames); + + putFile16BitBE(file, change->trigger_element); + + putFile8Bit(file, change->explode); + putFile8Bit(file, change->use_target_content); + putFile8Bit(file, change->only_if_complete); + putFile8Bit(file, change->use_random_replace); + + putFile8Bit(file, change->random_percentage); + putFile8Bit(file, change->replace_when); + + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + putFile16BitBE(file, change->target_content[x][y]); + + putFile8Bit(file, change->can_change); + + putFile8Bit(file, change->trigger_side); + + putFile8Bit(file, change->trigger_player); + putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE : + log_2(change->trigger_page))); + + putFile8Bit(file, change->has_action); + putFile8Bit(file, change->action_type); + putFile8Bit(file, change->action_mode); + putFile16BitBE(file, change->action_arg); + + /* some free bytes for future change property values and padding */ + WriteUnusedBytesToFile(file, 1); + } +} + +static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element) +{ + struct ElementInfo *ei = &element_info[element]; + struct ElementGroupInfo *group = ei->group; + int i; + + putFile16BitBE(file, element); + + for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++) + putFile8Bit(file, ei->description[i]); + + putFile8Bit(file, group->num_elements); + + putFile8Bit(file, ei->use_gfx_element); + putFile16BitBE(file, ei->gfx_element); + + putFile8Bit(file, group->choice_mode); + + /* some free bytes for future values and padding */ + WriteUnusedBytesToFile(file, 3); + + for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++) + putFile16BitBE(file, group->element[i]); +} + +static void SaveLevelFromFilename(struct LevelInfo *level, char *filename) +{ + int body_chunk_size; + int i, x, y; + FILE *file; + + if (!(file = fopen(filename, MODE_WRITE))) + { + Error(ERR_WARN, "cannot save level file '%s'", filename); + return; + } + + level->file_version = FILE_VERSION_ACTUAL; + level->game_version = GAME_VERSION_ACTUAL; + + /* check level field for 16-bit elements */ + level->encoding_16bit_field = FALSE; + for (y = 0; y < level->fieldy; y++) + for (x = 0; x < level->fieldx; x++) + if (level->field[x][y] > 255) + level->encoding_16bit_field = TRUE; + + /* check yamyam content for 16-bit elements */ + level->encoding_16bit_yamyam = FALSE; + for (i = 0; i < level->num_yamyam_contents; i++) + for (y = 0; y < 3; y++) + for (x = 0; x < 3; x++) + if (level->yamyam_content[i][x][y] > 255) + level->encoding_16bit_yamyam = TRUE; + + /* check amoeba content for 16-bit elements */ + level->encoding_16bit_amoeba = FALSE; + if (level->amoeba_content > 255) + level->encoding_16bit_amoeba = TRUE; + + /* calculate size of "BODY" chunk */ + body_chunk_size = + level->fieldx * level->fieldy * (level->encoding_16bit_field ? 2 : 1); + + putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED); + putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE); + + putFileChunkBE(file, "VERS", FILE_VERS_CHUNK_SIZE); + SaveLevel_VERS(file, level); + + putFileChunkBE(file, "HEAD", LEVEL_HEADER_SIZE); + SaveLevel_HEAD(file, level); + + putFileChunkBE(file, "AUTH", MAX_LEVEL_AUTHOR_LEN); + SaveLevel_AUTH(file, level); + + putFileChunkBE(file, "BODY", body_chunk_size); + SaveLevel_BODY(file, level); + + if (level->encoding_16bit_yamyam || + level->num_yamyam_contents != STD_ELEMENT_CONTENTS) + { + putFileChunkBE(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE); + SaveLevel_CNT2(file, level, EL_YAMYAM); + } + + if (level->encoding_16bit_amoeba) + { + putFileChunkBE(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE); + SaveLevel_CNT2(file, level, EL_BD_AMOEBA); + } + + /* check for envelope content */ + for (i = 0; i < 4; i++) + { + if (strlen(level->envelope_text[i]) > 0) + { + int envelope_len = strlen(level->envelope_text[i]) + 1; + + putFileChunkBE(file, "CNT3", LEVEL_CHUNK_CNT3_SIZE(envelope_len)); + SaveLevel_CNT3(file, level, EL_ENVELOPE_1 + i); + } + } + + /* check for non-default custom elements (unless using template level) */ + if (!level->use_custom_template) + { + for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++) + { + int element = EL_CUSTOM_START + i; + + if (element_info[element].modified_settings) + { + int num_change_pages = element_info[element].num_change_pages; + + putFileChunkBE(file, "CUS4", LEVEL_CHUNK_CUS4_SIZE(num_change_pages)); + SaveLevel_CUS4(file, level, element); + } + } + } + + /* check for non-default group elements (unless using template level) */ + if (!level->use_custom_template) + { + for (i = 0; i < NUM_GROUP_ELEMENTS; i++) + { + int element = EL_GROUP_START + i; + + if (element_info[element].modified_settings) + { + putFileChunkBE(file, "GRP1", LEVEL_CHUNK_GRP1_SIZE); + SaveLevel_GRP1(file, level, element); + } + } + } + + fclose(file); + + SetFilePermissions(filename, PERMS_PRIVATE); +} + +void SaveLevel(int nr) +{ + char *filename = getDefaultLevelFilename(nr); + + SaveLevelFromFilename(&level, filename); +} + +void SaveLevelTemplate() +{ + char *filename = getDefaultLevelFilename(-1); + + SaveLevelFromFilename(&level, filename); +} + +void DumpLevel(struct LevelInfo *level) +{ + if (level->no_valid_file) + { + Error(ERR_WARN, "cannot dump -- no valid level file found"); + + return; + } + + printf_line("-", 79); + printf("Level xxx (file version %08d, game version %08d)\n", + level->file_version, level->game_version); + printf_line("-", 79); + + printf("Level author: '%s'\n", level->author); + printf("Level title: '%s'\n", level->name); + printf("\n"); + printf("Playfield size: %d x %d\n", level->fieldx, level->fieldy); + printf("\n"); + printf("Level time: %d seconds\n", level->time); + printf("Gems needed: %d\n", level->gems_needed); + printf("\n"); + printf("Time for magic wall: %d seconds\n", level->time_magic_wall); + printf("Time for wheel: %d seconds\n", level->time_wheel); + printf("Time for light: %d seconds\n", level->time_light); + printf("Time for timegate: %d seconds\n", level->time_timegate); + printf("\n"); + printf("Amoeba speed: %d\n", level->amoeba_speed); + printf("\n"); + printf("Initial gravity: %s\n", (level->initial_gravity ? "yes" : "no")); + printf("Double speed movement: %s\n", (level->double_speed ? "yes" : "no")); + printf("EM style slippery gems: %s\n", (level->em_slippery_gems ? "yes" : "no")); + printf("Player blocks last field: %s\n", (level->block_last_field ? "yes" : "no")); + printf("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no")); + printf("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no")); + printf("use step counter: %s\n", (level->use_step_counter ? "yes" : "no")); + + printf_line("-", 79); +} + + +/* ========================================================================= */ +/* tape file functions */ +/* ========================================================================= */ + +static void setTapeInfoToDefaults() +{ + int i; + + /* 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; + + /* 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; +} + +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_HEADER_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_NO_MOVING; + + 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; + + /* delay part */ + for (j = 0; j < MAX_PLAYERS; j++) + tape->pos[i].action[j] = MV_NO_MOVING; + 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; +} + +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 (!(file = fopen(filename, MODE_READ))) + { + tape.no_valid_file = TRUE; + + return; + } + + getFileChunkBE(file, chunk_name, NULL); + if (strcmp(chunk_name, "RND1") == 0) + { + getFile32BitBE(file); /* not used */ + + getFileChunkBE(file, chunk_name, NULL); + if (strcmp(chunk_name, "TAPE") != 0) + { + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of tape 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'; + + if (!checkCookieString(cookie, TAPE_COOKIE_TMPL)) + { + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unknown format of tape file '%s'", filename); + fclose(file); + return; + } + + if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1) + { + tape.no_valid_file = TRUE; + + Error(ERR_WARN, "unsupported version of tape file '%s'", filename); + fclose(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_HEADER_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", FILE_VERS_CHUNK_SIZE, LoadTape_VERS }, + { "HEAD", TAPE_HEADER_SIZE, LoadTape_HEAD }, + { "INFO", -1, LoadTape_INFO }, + { "BODY", -1, LoadTape_BODY }, + { NULL, 0, NULL } + }; + + while (getFileChunkBE(file, chunk_name, &chunk_size)) + { + int i = 0; + + while (chunk_info[i].name != NULL && + strcmp(chunk_name, chunk_info[i].name) != 0) + i++; + + if (chunk_info[i].name == NULL) + { + Error(ERR_WARN, "unknown chunk '%s' in tape 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 tape file '%s'", + chunk_size, chunk_name, filename); + ReadUnusedBytesFromFile(file, chunk_size); + } + else + { + /* call function to load this tape chunk */ + int chunk_size_expected = + (chunk_info[i].loader)(file, chunk_size, &tape); + + /* 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); + } + } + } + } + + fclose(file); + + tape.length_seconds = GetTapeLength(); + +#if 0 + printf("::: tape game version: %d\n", tape.game_version); + printf("::: tape engine version: %d\n", tape.engine_version); +#endif +} + +void LoadTape(int nr) +{ + char *filename = getTapeFilename(nr); + + LoadTapeFromFilename(filename); +} + +void LoadSolutionTape(int nr) +{ + char *filename = getSolutionTapeFilename(nr); + + LoadTapeFromFilename(filename); +} + +static void SaveTape_VERS(FILE *file, struct TapeInfo *tape) +{ + putFileVersion(file, tape->file_version); + putFileVersion(file, tape->game_version); +} + +static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape) +{ + int i; + byte store_participating_players = 0; - sprintf(filename,"%s/%s/%s", - level_directory,leveldir[leveldir_nr].filename,SCORE_FILENAME); + /* set bits for participating players for compact storage */ + for (i = 0; i < MAX_PLAYERS; i++) + if (tape->player_participates[i]) + store_participating_players |= (1 << i); - if (!(file=fopen(filename,"w"))) - return(FALSE); + putFile32BitBE(file, tape->random_seed); + putFile32BitBE(file, tape->date); + putFile32BitBE(file, tape->length); - for(i=0;iengine_version); } -boolean CreateNewNamesFile(int mode) +static void SaveTape_INFO(FILE *file, struct TapeInfo *tape) { - char filename[MAX_FILENAME_LEN]; - FILE *file; + int level_identifier_size = strlen(tape->level_identifier) + 1; + int i; - if (mode==PLAYER_LEVEL) - sprintf(filename,"%s/%s/%s", - level_directory,leveldir[leveldir_nr].filename,NAMES_FILENAME); - else - sprintf(filename,"%s/%s",CONFIG_PATH,NAMES_FILENAME); + putFile16BitBE(file, level_identifier_size); - if (!(file=fopen(filename,"w"))) - return(FALSE); + for (i = 0; i < level_identifier_size; i++) + putFile8Bit(file, tape->level_identifier[i]); - fputs(NAMES_COOKIE,file); /* Formatkennung */ - fclose(file); + putFile16BitBE(file, tape->level_nr); +} + +static void SaveTape_BODY(FILE *file, struct TapeInfo *tape) +{ + int i, j; + + for (i = 0; i < tape->length; i++) + { + for (j = 0; j < MAX_PLAYERS; j++) + if (tape->player_participates[j]) + putFile8Bit(file, tape->pos[i].action[j]); - chmod(filename, NAMES_PERMS); - return(TRUE); + putFile8Bit(file, tape->pos[i].delay); + } } -boolean LoadLevelInfo() +void SaveTape(int nr) { - int i; - char filename[MAX_FILENAME_LEN]; - char cookie[MAX_FILENAME_LEN]; + char *filename = getTapeFilename(nr); FILE *file; + boolean new_tape = TRUE; + int num_participating_players = 0; + int info_chunk_size; + int body_chunk_size; + int i; - sprintf(filename,"%s/%s",level_directory,LEVDIR_FILENAME); + InitTapeDirectory(leveldir_current->subdir); - if (!(file=fopen(filename,"r"))) + /* if a tape still exists, ask to overwrite it */ + if (fileExists(filename)) { - Error(ERR_RETURN, "cannot read level info '%s'", filename); - return(FALSE); + new_tape = FALSE; + if (!Request("Replace old tape ?", REQ_ASK)) + return; } - fscanf(file,"%s\n",cookie); - if (strcmp(cookie,LEVELDIR_COOKIE)) /* ungültiges Format? */ + if (!(file = fopen(filename, MODE_WRITE))) { - Error(ERR_RETURN, "wrong format of level info file"); - fclose(file); - return(FALSE); + Error(ERR_WARN, "cannot save level recording file '%s'", filename); + return; } - num_leveldirs = 0; - leveldir_nr = 0; - for(i=0;ino_valid_file) + { + Error(ERR_WARN, "cannot dump -- no valid tape file found"); - if (level.time<=10) /* Mindestspieldauer */ - level.time = 10; + return; } - else + + printf_line("-", 79); + printf("Tape of Level %03d (file version %08d, game version %08d)\n", + tape->level_nr, tape->file_version, tape->game_version); + printf(" (effective engine version %08d)\n", + tape->engine_version); + printf("Level series identifier: '%s'\n", tape->level_identifier); + printf_line("-", 79); + + for (i = 0; i < tape->length; i++) { - lev_fieldx = level.fieldx = STD_LEV_FIELDX; - lev_fieldy = level.fieldy = STD_LEV_FIELDY; + if (i >= MAX_TAPE_LEN) + break; + + printf("%03d: ", i); - level.time = 100; - level.edelsteine = 0; - strncpy(level.name,"Nameless Level",MAX_LEVNAMLEN-1); - for(i=0;iplayer_participates[j]) + { + int action = tape->pos[i].action[j]; + + printf("%d:%02x ", j, action); + printf("[%c%c%c%c|%c%c] - ", + (action & JOY_LEFT ? '<' : ' '), + (action & JOY_RIGHT ? '>' : ' '), + (action & JOY_UP ? '^' : ' '), + (action & JOY_DOWN ? 'v' : ' '), + (action & JOY_BUTTON_1 ? '1' : ' '), + (action & JOY_BUTTON_2 ? '2' : ' ')); + } + } - for(y=0;ypos[i].delay); } + + printf_line("-", 79); } -void LoadLevelTape(int level_nr) + +/* ========================================================================= */ +/* score file functions */ +/* ========================================================================= */ + +void LoadScore(int nr) { int i; - char filename[MAX_FILENAME_LEN]; - char cookie[MAX_FILENAME_LEN]; + char *filename = getScoreFilename(nr); + char cookie[MAX_LINE_LEN]; + char line[MAX_LINE_LEN]; + char *line_ptr; FILE *file; - boolean levelrec_10 = FALSE; - -#ifndef MSDOS - sprintf(filename,"%s/%s/%d.tape", - level_directory,leveldir[leveldir_nr].filename,level_nr); -#else - sprintf(filename,"%s/%s/%d.tap", - level_directory,leveldir[leveldir_nr].filename,level_nr); -#endif - if ((file=fopen(filename,"r"))) + /* always start with reliable default values */ + for (i = 0; i < MAX_SCORE_ENTRIES; i++) { - fgets(cookie,LEVELREC_COOKIE_LEN,file); - fgetc(file); - if (!strcmp(cookie,LEVELREC_COOKIE_10)) /* old 1.0 tape format */ - levelrec_10 = TRUE; - else if (strcmp(cookie,LEVELREC_COOKIE)) /* unknown tape format */ - { - Error(ERR_RETURN, "wrong format of level recording file '%s'", filename); - fclose(file); - file = NULL; - } + strcpy(highscore[i].Name, EMPTY_PLAYER_NAME); + highscore[i].Score = 0; } - if (!file) + if (!(file = fopen(filename, MODE_READ))) return; - tape.random_seed = - (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file); - tape.date = - (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file); - tape.length = - (fgetc(file)<<24) | (fgetc(file)<<16) | (fgetc(file)<<8) | fgetc(file); - - tape.level_nr = level_nr; - tape.counter = 0; - tape.changed = FALSE; + /* check file identifier */ + fgets(cookie, MAX_LINE_LEN, file); + if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n') + cookie[strlen(cookie) - 1] = '\0'; - tape.recording = FALSE; - tape.playing = FALSE; - tape.pausing = FALSE; + if (!checkCookieString(cookie, SCORE_COOKIE)) + { + Error(ERR_WARN, "unknown format of score file '%s'", filename); + fclose(file); + return; + } - for(i=0;i= MAX_TAPELEN) - break; + if (line[strlen(line) - 1] == '\n') + line[strlen(line) - 1] = '\0'; - for(j=0; j0) + if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0') { - tape.pos[i].action[j] = MV_NO_MOVING; - continue; + strncpy(highscore[i].Name, line_ptr, MAX_PLAYER_NAME_LEN); + highscore[i].Name[MAX_PLAYER_NAME_LEN] = '\0'; + break; } - tape.pos[i].action[j] = fgetc(file); } - - tape.pos[i].delay = fgetc(file); - - if (feof(file)) - break; } fclose(file); - - if (i != tape.length) - Error(ERR_RETURN, "level recording file '%s' corrupted", filename); - - tape.length_seconds = GetTapeLength(); } -void LoadScore(int level_nr) +void SaveScore(int nr) { - int i,j; - char filename[MAX_FILENAME_LEN]; - char cookie[MAX_FILENAME_LEN]; + int i; + char *filename = getScoreFilename(nr); FILE *file; - sprintf(filename,"%s/%s/%s", - level_directory,leveldir[leveldir_nr].filename,SCORE_FILENAME); + InitScoreDirectory(leveldir_current->subdir); - if (!(file = fopen(filename,"r"))) + if (!(file = fopen(filename, MODE_WRITE))) { - if (!CreateNewScoreFile()) - Error(ERR_RETURN, "cannot create score file '%s'", filename); - else if (!(file = fopen(filename,"r"))) - Error(ERR_RETURN, "cannot read score for level %d", level_nr); + Error(ERR_WARN, "cannot save score for level %d", nr); + return; } - if (file) - { - fgets(cookie,SCORE_COOKIE_LEN,file); - if (strcmp(cookie,SCORE_COOKIE)) /* ungültiges Format? */ - { - Error(ERR_RETURN, "wrong format of score file '%s'", filename); - fclose(file); - file = NULL; - } - } + fprintf(file, "%s\n\n", SCORE_COOKIE); - if (file) - { - fseek(file, - SCORE_COOKIE_LEN-1+level_nr*(MAX_SCORE_ENTRIES*(MAX_NAMELEN+2)), - SEEK_SET); - for(i=0;i MAX_PLAYER_NAME_LEN) /* name has been cut */ + if (strchr(login_name_new, ' ')) + *strchr(login_name_new, ' ') = '\0'; + + return login_name_new; +} + +static void setSetupInfoToDefaults(struct SetupInfo *si) +{ + int i; + + si->player_name = get_corrected_login_name(getLoginName()); + + si->sound = TRUE; + si->sound_loops = TRUE; + 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->soft_scrolling = TRUE; + si->fading = FALSE; + si->autorecord = TRUE; + si->quick_doors = FALSE; + si->team_mode = FALSE; + si->handicap = TRUE; + si->skip_levels = TRUE; + si->time_limit = TRUE; + si->fullscreen = FALSE; + si->ask_on_escape = TRUE; + + si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR); + si->sounds_set = getStringCopy(SND_CLASSIC_SUBDIR); + si->music_set = getStringCopy(MUS_CLASSIC_SUBDIR); + si->override_level_graphics = FALSE; + si->override_level_sounds = FALSE; + si->override_level_music = FALSE; + + si->editor.el_boulderdash = TRUE; + si->editor.el_emerald_mine = TRUE; + si->editor.el_emerald_mine_club = TRUE; + si->editor.el_more = TRUE; + si->editor.el_sokoban = TRUE; + si->editor.el_supaplex = TRUE; + si->editor.el_diamond_caves = TRUE; + si->editor.el_dx_boulderdash = TRUE; + si->editor.el_chars = TRUE; + si->editor.el_custom = TRUE; + si->editor.el_custom_more = FALSE; + + si->editor.el_headlines = TRUE; + si->editor.el_user_defined = FALSE; + + si->shortcut.save_game = DEFAULT_KEY_SAVE_GAME; + si->shortcut.load_game = DEFAULT_KEY_LOAD_GAME; + si->shortcut.toggle_pause = DEFAULT_KEY_TOGGLE_PAUSE; + + for (i = 0; i < MAX_PLAYERS; i++) { - fgets(cookie,NAMES_COOKIE_LEN,file); - if (!strcmp(cookie,NAMES_COOKIE_10)) /* altes Format? */ - version_10_file = TRUE; - else if (strcmp(cookie,NAMES_COOKIE)) /* ungültiges Format? */ - { - Error(ERR_RETURN, "wrong format of names file '%s'", filename); - fclose(file); - file = NULL; - } + si->input[i].use_joystick = FALSE; + si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i)); + si->input[i].joy.xleft = JOYSTICK_XLEFT; + si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE; + si->input[i].joy.xright = JOYSTICK_XRIGHT; + si->input[i].joy.yupper = JOYSTICK_YUPPER; + si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE; + si->input[i].joy.ylower = JOYSTICK_YLOWER; + si->input[i].joy.snap = (i == 0 ? JOY_BUTTON_1 : 0); + si->input[i].joy.drop = (i == 0 ? JOY_BUTTON_2 : 0); + si->input[i].key.left = (i == 0 ? DEFAULT_KEY_LEFT : KSYM_UNDEFINED); + si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED); + si->input[i].key.up = (i == 0 ? DEFAULT_KEY_UP : KSYM_UNDEFINED); + si->input[i].key.down = (i == 0 ? DEFAULT_KEY_DOWN : KSYM_UNDEFINED); + si->input[i].key.snap = (i == 0 ? DEFAULT_KEY_SNAP : KSYM_UNDEFINED); + si->input[i].key.drop = (i == 0 ? DEFAULT_KEY_DROP : KSYM_UNDEFINED); } - if (!file) - { - *local_player = default_player; - level_nr = default_player.level_nr; + si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT); + si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE; + + si->options.verbose = FALSE; +} + +static void decodeSetupFileHash(SetupFileHash *setup_file_hash) +{ + int i, pnr; + + if (!setup_file_hash) return; - } - while(1) + /* global setup */ + si = setup; + for (i = 0; i < NUM_GLOBAL_SETUP_TOKENS; i++) + setSetupInfo(global_setup_tokens, i, + getHashEntry(setup_file_hash, global_setup_tokens[i].text)); + setup = si; + + /* editor setup */ + sei = setup.editor; + for (i = 0; i < NUM_EDITOR_SETUP_TOKENS; i++) + setSetupInfo(editor_setup_tokens, i, + getHashEntry(setup_file_hash,editor_setup_tokens[i].text)); + setup.editor = sei; + + /* shortcut setup */ + ssi = setup.shortcut; + for (i = 0; i < NUM_SHORTCUT_SETUP_TOKENS; i++) + setSetupInfo(shortcut_setup_tokens, i, + getHashEntry(setup_file_hash,shortcut_setup_tokens[i].text)); + setup.shortcut = ssi; + + /* player setup */ + for (pnr = 0; pnr < MAX_PLAYERS; pnr++) { - for(i=0;ileveldir_nr < num_leveldirs) - leveldir_nr = local_player->leveldir_nr; - else - leveldir_nr = 0; - } - else + /* system setup */ + syi = setup.system; + for (i = 0; i < NUM_SYSTEM_SETUP_TOKENS; i++) + setSetupInfo(system_setup_tokens, i, + getHashEntry(setup_file_hash, system_setup_tokens[i].text)); + setup.system = syi; + + /* options setup */ + soi = setup.options; + for (i = 0; i < NUM_OPTIONS_SETUP_TOKENS; i++) + setSetupInfo(options_setup_tokens, i, + getHashEntry(setup_file_hash, options_setup_tokens[i].text)); + setup.options = soi; +} + +void LoadSetup() +{ + char *filename = getSetupFilename(); + SetupFileHash *setup_file_hash = NULL; + + /* always start with reliable default values */ + setSetupInfoToDefaults(&setup); + + setup_file_hash = loadSetupFileHash(filename); + + if (setup_file_hash) { - local_player->handicap = new_player.handicap; - local_player->level_nr = new_player.level_nr; - } + char *player_name_new; - level_nr = local_player->level_nr; + checkSetupFileHashIdentifier(setup_file_hash, getCookie("SETUP")); + decodeSetupFileHash(setup_file_hash); - if (file) - fclose(file); + setup.direct_draw = !setup.double_buffering; + + freeSetupFileHash(setup_file_hash); + + /* needed to work around problems with fixed length strings */ + player_name_new = get_corrected_login_name(setup.player_name); + free(setup.player_name); + setup.player_name = player_name_new; + } + else + Error(ERR_WARN, "using default setup values"); } -void SaveLevel(int level_nr) +void SaveSetup() { - int i,x,y; - char filename[MAX_FILENAME_LEN]; + char *filename = getSetupFilename(); FILE *file; + int i, pnr; - sprintf(filename,"%s/%s/%d", - level_directory,leveldir[leveldir_nr].filename,level_nr); + InitUserDataDirectory(); - if (!(file=fopen(filename,"w"))) + if (!(file = fopen(filename, MODE_WRITE))) { - Error(ERR_RETURN, "cannot save level file '%s'", filename); + Error(ERR_WARN, "cannot write setup file '%s'", filename); return; } - fputs(LEVEL_COOKIE,file); /* Formatkennung */ - fputc(0x0a,file); - - fputc(level.fieldx,file); - fputc(level.fieldy,file); - fputc(level.time / 256,file); - fputc(level.time % 256,file); - fputc(level.edelsteine / 256,file); - fputc(level.edelsteine % 256,file); - - for(i=0;i> 24) & 0xff,file); - fputc((tape.random_seed >> 16) & 0xff,file); - fputc((tape.random_seed >> 8) & 0xff,file); - fputc((tape.random_seed >> 0) & 0xff,file); + /* system setup */ + syi = setup.system; + fprintf(file, "\n"); + for (i = 0; i < NUM_SYSTEM_SETUP_TOKENS; i++) + fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i)); - fputc((tape.date >> 24) & 0xff,file); - fputc((tape.date >> 16) & 0xff,file); - fputc((tape.date >> 8) & 0xff,file); - fputc((tape.date >> 0) & 0xff,file); + /* options setup */ + soi = setup.options; + fprintf(file, "\n"); + for (i = 0; i < NUM_OPTIONS_SETUP_TOKENS; i++) + fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i)); - fputc((tape.length >> 24) & 0xff,file); - fputc((tape.length >> 16) & 0xff,file); - fputc((tape.length >> 8) & 0xff,file); - fputc((tape.length >> 0) & 0xff,file); + fclose(file); - for(i=0;inext) + (*num_elements)++; - if (mode == PLAYER_LEVEL) - sprintf(filename,"%s/%s/%s", - level_directory,leveldir[leveldir_nr].filename,NAMES_FILENAME); - else - sprintf(filename,"%s/%s",CONFIG_PATH,NAMES_FILENAME); + /* add space for up to 3 more elements for padding that may be needed */ + *num_elements += 3; - if (!(file = fopen(filename,"r+"))) - { - Error(ERR_RETURN, "cannot save player information to file '%s'", filename); - return; - } + *elements = checked_malloc(*num_elements * sizeof(int)); - fgets(cookie,NAMES_COOKIE_LEN,file); - if (!strcmp(cookie,NAMES_COOKIE_10)) /* altes Format? */ - version_10_file = TRUE; - else if (strcmp(cookie,NAMES_COOKIE)) /* ungültiges Format? */ + *num_elements = 0; + for (list = setup_file_list; list != NULL; list = list->next) { - Error(ERR_RETURN, "wrong format of names file '%s'", filename); - fclose(file); - return; - } + char *value = getHashEntry(element_hash, list->token); - while(1) - { - for(i=0;itoken); - if (feof(file)) /* Spieler noch nicht in Liste enthalten */ - break; - else /* prüfen, ob Spieler in Liste enthalten */ - if (!strncmp(default_player.login_name, - local_player->login_name, MAX_NAMELEN-1)) + if (mapped_token != NULL) { - fseek(file,-(2*MAX_NAMELEN+1+2+1+(version_10_file ? 0 : 11)),SEEK_CUR); - break; - } - } - - local_player->level_nr = level_nr; + value = getHashEntry(element_hash, mapped_token); - for(i=0;ilogin_name[i],file); - for(i=0;ialias_name[i],file); - fputc(local_player->handicap,file); - fputc(local_player->setup / 256,file); - fputc(local_player->setup % 256,file); - fputc(local_player->leveldir_nr,file); - if (!version_10_file) - { - fputc(local_player->level_nr,file); - for(i=0;i<10;i++) /* currently unused bytes */ - fputc(0,file); - } - - fclose(file); -} - -void LoadJoystickData() -{ - int i; - char cookie[256]; - FILE *file; + free(mapped_token); + } + } - if (joystick_status==JOYSTICK_OFF) - return; + if (value != NULL) + { + (*elements)[(*num_elements)++] = atoi(value); + } + else + { + if (num_unknown_tokens == 0) + { + Error(ERR_RETURN_LINE, "-"); + Error(ERR_RETURN, "warning: unknown token(s) found in config file:"); + Error(ERR_RETURN, "- config file: '%s'", filename); -#ifndef MSDOS - if (!(file=fopen(JOYDAT_FILE,"r"))) - return; + num_unknown_tokens++; + } - fscanf(file,"%s",cookie); - if (strcmp(cookie,JOYSTICK_COOKIE)) /* ungültiges Format? */ - { - Error(ERR_RETURN, "wrong format of joystick file '%s'", JOYDAT_FILE); - fclose(file); - return; + Error(ERR_RETURN, "- token: '%s'", list->token); + } } - for(i=0;i<2;i++) - { - fscanf(file,"%s",cookie); - fscanf(file, "%d %d %d \n", - &joystick[i].xleft, &joystick[i].xmiddle, &joystick[i].xright); - fscanf(file, "%d %d %d \n", - &joystick[i].yupper, &joystick[i].ymiddle, &joystick[i].ylower); - } - fclose(file); + if (num_unknown_tokens > 0) + Error(ERR_RETURN_LINE, "-"); + + while (*num_elements % 4) /* pad with empty elements, if needed */ + (*elements)[(*num_elements)++] = EL_EMPTY; + + freeSetupFileList(setup_file_list); + freeSetupFileHash(element_hash); - CheckJoystickData(); -#else - load_joystick_data(JOYDAT_FILE); +#if 0 + for (i = 0; i < *num_elements; i++) + printf("editor: element '%s' [%d]\n", + element_info[(*elements)[i]].token_name, (*elements)[i]); #endif } -void SaveJoystickData() +static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music, + boolean is_sound) { + SetupFileHash *setup_file_hash = NULL; + struct MusicFileInfo tmp_music_file_info, *new_music_file_info; + char *filename_music, *filename_prefix, *filename_info; + struct + { + char *token; + char **value_ptr; + } + token_to_value_ptr[] = + { + { "title_header", &tmp_music_file_info.title_header }, + { "artist_header", &tmp_music_file_info.artist_header }, + { "album_header", &tmp_music_file_info.album_header }, + { "year_header", &tmp_music_file_info.year_header }, + + { "title", &tmp_music_file_info.title }, + { "artist", &tmp_music_file_info.artist }, + { "album", &tmp_music_file_info.album }, + { "year", &tmp_music_file_info.year }, + + { NULL, NULL }, + }; int i; - FILE *file; - if (joystick_status==JOYSTICK_OFF) - return; + filename_music = (is_sound ? getCustomSoundFilename(basename) : + getCustomMusicFilename(basename)); -#ifndef MSDOS - CheckJoystickData(); + if (filename_music == NULL) + return NULL; - if (!(file=fopen(JOYDAT_FILE,"w"))) - { - Error(ERR_RETURN, "cannot save joystick calibration data to file '%s'", - JOYDAT_FILE); - return; - } + /* ---------- try to replace file extension ---------- */ - fprintf(file,"%s\n",JOYSTICK_COOKIE); /* Formatkennung */ - for(i=0;i<2;i++) - { - fprintf(file,"JOYSTICK_%d_DATA\n",i); - fprintf(file, "%d %d %d \n", - joystick[i].xleft, joystick[i].xmiddle, joystick[i].xright); - fprintf(file, "%d %d %d \n", - joystick[i].yupper, joystick[i].ymiddle, joystick[i].ylower); - } - fclose(file); + filename_prefix = getStringCopy(filename_music); + if (strrchr(filename_prefix, '.') != NULL) + *strrchr(filename_prefix, '.') = '\0'; + filename_info = getStringCat2(filename_prefix, ".txt"); - chmod(JOYDAT_FILE, JOYDAT_PERMS); -#else - save_joystick_data(JOYDAT_FILE); +#if 0 + printf("trying to load file '%s'...\n", filename_info); #endif -} + if (fileExists(filename_info)) + setup_file_hash = loadSetupFileHash(filename_info); -/* ------------------------------------------------------------------------- */ -/* new setup functions */ -/* ------------------------------------------------------------------------- */ + free(filename_prefix); + free(filename_info); -#define SETUP_TOKEN_SOUND 0 -#define SETUP_TOKEN_SOUND_LOOPS 1 -#define SETUP_TOKEN_SOUND_MUSIC 2 -#define SETUP_TOKEN_SOUND_SIMPLE 3 -#define SETUP_TOKEN_TOONS 4 -#define SETUP_TOKEN_DIRECT_DRAW 5 -#define SETUP_TOKEN_SCROLL_DELAY 6 -#define SETUP_TOKEN_SOFT_SCROLLING 7 -#define SETUP_TOKEN_FADING 8 -#define SETUP_TOKEN_AUTORECORD 9 -#define SETUP_TOKEN_QUICK_DOORS 10 -#define SETUP_TOKEN_USE_JOYSTICK 11 -#define SETUP_TOKEN_JOYSTICK_NR 12 -#define SETUP_TOKEN_JOY_SNAP 13 -#define SETUP_TOKEN_JOY_BOMB 14 -#define SETUP_TOKEN_KEY_LEFT 15 -#define SETUP_TOKEN_KEY_RIGHT 16 -#define SETUP_TOKEN_KEY_UP 17 -#define SETUP_TOKEN_KEY_DOWN 18 -#define SETUP_TOKEN_KEY_SNAP 19 -#define SETUP_TOKEN_KEY_BOMB 20 - -#define NUM_SETUP_TOKENS 21 - -#define SETUP_TOKEN_PLAYER_PREFIX "player_" + if (setup_file_hash == NULL) + { + /* ---------- try to add file extension ---------- */ -static struct -{ - char *token, *value_true, *value_false; -} setup_info[] = -{ - { "sound", "on", "off" }, - { "repeating_sound_loops", "on", "off" }, - { "background_music", "on", "off" }, - { "simple_sound_effects", "on", "off" }, - { "toons", "on", "off" }, - { "double_buffering", "off", "on" }, - { "scroll_delay", "on", "off" }, - { "soft_scrolling", "on", "off" }, - { "screen_fading", "on", "off" }, - { "automatic_tape_recording", "on", "off" }, - { "quick_doors", "on", "off" }, - - /* for each player: */ - { ".use_joystick", "true", "false" }, - { ".joystick_device", "second", "first" }, - { ".joy.snap_field", "", "" }, - { ".joy.place_bomb", "", "" }, - { ".key.move_left", "", "" }, - { ".key.move_right", "", "" }, - { ".key.move_up", "", "" }, - { ".key.move_down", "", "" }, - { ".key.snap_field", "", "" }, - { ".key.place_bomb", "", "" } -}; + filename_prefix = getStringCopy(filename_music); + filename_info = getStringCat2(filename_prefix, ".txt"); -static char *string_tolower(char *s) -{ - static char s_lower[100]; - int i; +#if 0 + printf("trying to load file '%s'...\n", filename_info); +#endif - if (strlen(s) >= 100) - return s; + if (fileExists(filename_info)) + setup_file_hash = loadSetupFileHash(filename_info); - strcpy(s_lower, s); + free(filename_prefix); + free(filename_info); + } - for (i=0; inext) + if (list->is_sound == is_sound && strcmp(list->basename, basename) == 0) + return TRUE; - sprintf(entry, "%s%s:", prefix, getSetupToken(token_nr)); - for (i=strlen(entry); i<30; i++) - entry[i] = ' '; - entry[i] = '\0'; + return FALSE; +} - strcat(entry, getSetupValue(token_nr, token_value)); +static boolean music_info_listed(struct MusicFileInfo *list, char *basename) +{ + return music_info_listed_ext(list, basename, FALSE); +} - return entry; +static boolean sound_info_listed(struct MusicFileInfo *list, char *basename) +{ + return music_info_listed_ext(list, basename, TRUE); } -static char *getSetupEntryWithComment(char *prefix,int token_nr, KeySym keysym) +void LoadMusicInfo() { + char *music_directory = getCustomMusicDirectory(); + int num_music = getMusicListSize(); + int num_music_noconf = 0; + int num_sounds = getSoundListSize(); + DIR *dir; + struct dirent *dir_entry; + struct FileInfo *music, *sound; + struct MusicFileInfo *next, **new; int i; - static char entry[80]; - char *keyname = getKeyNameFromKeySym(keysym); - sprintf(entry, "%s%s:", prefix, getSetupToken(token_nr)); - for (i=strlen(entry); i<30; i++) - entry[i] = ' '; - entry[i] = '\0'; + while (music_file_info != NULL) + { + next = music_file_info->next; - strcat(entry, getX11KeyNameFromKeySym(keysym)); - for (i=strlen(entry); i<50; i++) - entry[i] = ' '; - entry[i] = '\0'; + checked_free(music_file_info->basename); - /* add comment, if useful */ - if (strcmp(keyname, "(undefined)") != 0 && - strcmp(keyname, "(unknown)") != 0) - { - strcat(entry, "# "); - strcat(entry, keyname); - } + 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); - return entry; -} + checked_free(music_file_info->title); + checked_free(music_file_info->artist); + checked_free(music_file_info->album); + checked_free(music_file_info->year); -static void freeSetupFileInfo(struct SetupFileInfo *setup_file_info) -{ - if (!setup_file_info) - return; + free(music_file_info); - if (setup_file_info->token) - free(setup_file_info->token); - if (setup_file_info->value) - free(setup_file_info->value); - if (setup_file_info->next) - freeSetupFileInfo(setup_file_info->next); - free(setup_file_info); -} + music_file_info = next; + } -static struct SetupFileInfo *newSetupFileInfo(char *token, char *value) -{ - struct SetupFileInfo *new = checked_malloc(sizeof(struct SetupFileInfo)); + new = &music_file_info; - new->token = checked_malloc(strlen(token) + 1); - strcpy(new->token, token); + for (i = 0; i < num_music; i++) + { + music = getMusicListEntry(i); - new->value = checked_malloc(strlen(value) + 1); - strcpy(new->value, value); + if (music->filename == NULL) + continue; - new->next = NULL; + if (strcmp(music->filename, UNDEFINED_FILENAME) == 0) + continue; - return new; -} + /* a configured file may be not recognized as music */ + if (!FileIsMusic(music->filename)) + continue; -static char *lookupSetupFileValue(struct SetupFileInfo *setup_file_info, - char *token) -{ - if (!setup_file_info) - return NULL; +#if 0 + printf("::: -> '%s' (configured)\n", music->filename); +#endif - if (strcmp(setup_file_info->token, token) == 0) - return setup_file_info->value; - else - return lookupSetupFileValue(setup_file_info->next, token); -} + if (!music_info_listed(music_file_info, music->filename)) + { + *new = get_music_file_info(music->filename, i); + if (*new != NULL) + new = &(*new)->next; + } + } -#ifdef DEBUG -static void printSetupFileInfo(struct SetupFileInfo *setup_file_info) -{ - if (!setup_file_info) + if ((dir = opendir(music_directory)) == NULL) + { + Error(ERR_WARN, "cannot read music directory '%s'", music_directory); return; + } - printf("token: '%s'\n", setup_file_info->token); - printf("value: '%s'\n", setup_file_info->value); + while ((dir_entry = readdir(dir)) != NULL) /* loop until last dir entry */ + { + char *basename = dir_entry->d_name; + boolean music_already_used = FALSE; + int i; - printSetupFileInfo(setup_file_info->next); -} -#endif + /* skip all music files that are configured in music config file */ + for (i = 0; i < num_music; i++) + { + music = getMusicListEntry(i); -static void decodeSetupFileInfo(struct SetupFileInfo *setup_file_info) -{ - int i; - int token_nr = -1; - int player_nr = 0; - char *token; - char *token_value; - int token_integer_value; - boolean token_boolean_value; - int token_player_prefix_len; - - if (!setup_file_info) - return; + if (music->filename == NULL) + continue; + + if (strcmp(basename, music->filename) == 0) + { + music_already_used = TRUE; + break; + } + } - token = setup_file_info->token; - token_value = setup_file_info->value; - token_integer_value = get_string_integer_value(token_value); - token_boolean_value = get_string_boolean_value(token_value); + if (music_already_used) + continue; - token_player_prefix_len = strlen(SETUP_TOKEN_PLAYER_PREFIX); + if (!FileIsMusic(basename)) + continue; - if (strncmp(token, SETUP_TOKEN_PLAYER_PREFIX, token_player_prefix_len) == 0) - { - token += token_player_prefix_len; +#if 0 + printf("::: -> '%s' (found in directory)\n", basename); +#endif - if (*token >= '0' && *token <= '9') + if (!music_info_listed(music_file_info, basename)) { - player_nr = ((int)(*token - '0') - 1 + MAX_PLAYERS) % MAX_PLAYERS; - token++; + *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf)); + if (*new != NULL) + new = &(*new)->next; } + + num_music_noconf++; } - for (i=0; ifilename == NULL) + continue; + if (strcmp(sound->filename, UNDEFINED_FILENAME) == 0) + continue; - /* - printf("token == '%s', token_integer_value == %d\n", - token, token_integer_value); + /* a configured file may be not recognized as sound */ + if (!FileIsSound(sound->filename)) + continue; +#if 0 + printf("::: -> '%s' (configured)\n", sound->filename); +#endif - printf("[player %d] token == '%s', token_value == '%s' (%ld)\n", - player_nr, token, token_value, - (unsigned long)getKeySymFromX11KeyName(token_value)); - */ + 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 +} +void add_helpanim_entry(int element, int action, int direction, int delay, + int *num_list_entries) +{ + struct HelpAnimInfo *new_list_entry; + (*num_list_entries)++; + + helpanim_info = + checked_realloc(helpanim_info, + *num_list_entries * sizeof(struct HelpAnimInfo)); + new_list_entry = &helpanim_info[*num_list_entries - 1]; + + new_list_entry->element = element; + new_list_entry->action = action; + new_list_entry->direction = direction; + new_list_entry->delay = delay; +} - switch (token_nr) +void print_unknown_token(char *filename, char *token, int token_nr) +{ + if (token_nr == 0) { - case SETUP_TOKEN_SOUND: - setup.sound_on = token_boolean_value; - break; - case SETUP_TOKEN_SOUND_LOOPS: - setup.sound_loops_on = token_boolean_value; - break; - case SETUP_TOKEN_SOUND_MUSIC: - setup.sound_music_on = token_boolean_value; - break; - case SETUP_TOKEN_SOUND_SIMPLE: - setup.sound_simple_on = token_boolean_value; - break; - case SETUP_TOKEN_TOONS: - setup.toons_on = token_boolean_value; - break; - case SETUP_TOKEN_DIRECT_DRAW: - setup.direct_draw_on = token_boolean_value; - break; - case SETUP_TOKEN_SCROLL_DELAY: - setup.scroll_delay_on = token_boolean_value; - break; - case SETUP_TOKEN_SOFT_SCROLLING: - setup.soft_scrolling_on = token_boolean_value; - break; - case SETUP_TOKEN_FADING: - setup.fading_on = token_boolean_value; - break; - case SETUP_TOKEN_AUTORECORD: - setup.autorecord_on = token_boolean_value; - break; - case SETUP_TOKEN_QUICK_DOORS: - setup.quick_doors = token_boolean_value; - break; - - case SETUP_TOKEN_USE_JOYSTICK: - setup.input[player_nr].use_joystick = token_boolean_value; - break; - case SETUP_TOKEN_JOYSTICK_NR: - if (token_integer_value < 0 || token_integer_value > 1) - token_integer_value = 1; - setup.input[player_nr].joystick_nr = token_integer_value - 1; - break; - case SETUP_TOKEN_JOY_SNAP: - setup.input[player_nr].joy.snap = getJoySymbolFromJoyName(token_value); - break; - case SETUP_TOKEN_JOY_BOMB : - setup.input[player_nr].joy.bomb = getJoySymbolFromJoyName(token_value); - break; - case SETUP_TOKEN_KEY_LEFT: - setup.input[player_nr].key.left = getKeySymFromX11KeyName(token_value); - break; - case SETUP_TOKEN_KEY_RIGHT: - setup.input[player_nr].key.right = getKeySymFromX11KeyName(token_value); - break; - case SETUP_TOKEN_KEY_UP: - setup.input[player_nr].key.up = getKeySymFromX11KeyName(token_value); - break; - case SETUP_TOKEN_KEY_DOWN: - setup.input[player_nr].key.down = getKeySymFromX11KeyName(token_value); - break; - case SETUP_TOKEN_KEY_SNAP: - setup.input[player_nr].key.snap = getKeySymFromX11KeyName(token_value); - break; - case SETUP_TOKEN_KEY_BOMB: - setup.input[player_nr].key.bomb = getKeySymFromX11KeyName(token_value); - break; - default: - break; + Error(ERR_RETURN_LINE, "-"); + Error(ERR_RETURN, "warning: unknown token(s) found in config file:"); + Error(ERR_RETURN, "- config file: '%s'", filename); } - decodeSetupFileInfo(setup_file_info->next); + Error(ERR_RETURN, "- token: '%s'", token); } -void LoadSetup() +void print_unknown_token_end(int token_nr) { - int line_len; - char filename[MAX_FILENAME_LEN]; - char line[MAX_LINE_LEN]; - char *token, *value, *line_ptr; - struct SetupFileInfo *setup_file_info, **next_entry = &setup_file_info; - FILE *file; + if (token_nr > 0) + Error(ERR_RETURN_LINE, "-"); +} +void LoadHelpAnimInfo() +{ + char *filename = getHelpAnimFilename(); + SetupFileList *setup_file_list = NULL, *list; + SetupFileHash *element_hash, *action_hash, *direction_hash; + int num_list_entries = 0; + int num_unknown_tokens = 0; + int i; + if (fileExists(filename)) + setup_file_list = loadSetupFileList(filename); - printf("LoadSetup\n"); + if (setup_file_list == NULL) + { + /* use reliable default values from static configuration */ + SetupFileList *insert_ptr; + insert_ptr = setup_file_list = + newSetupFileList(helpanim_config[0].token, + helpanim_config[0].value); + for (i = 1; helpanim_config[i].token; i++) + insert_ptr = addListEntry(insert_ptr, + helpanim_config[i].token, + helpanim_config[i].value); + } - sprintf(filename, "%s/%s", SETUP_PATH, SETUP_FILENAME); + element_hash = newSetupFileHash(); + action_hash = newSetupFileHash(); + direction_hash = newSetupFileHash(); - if (!(file = fopen(filename, "r"))) - { - int i; + for (i = 0; i < MAX_NUM_ELEMENTS; i++) + setHashEntry(element_hash, element_info[i].token_name, i_to_a(i)); - Error(ERR_RETURN, "cannot open setup file '%s'", filename); + for (i = 0; i < NUM_ACTIONS; i++) + setHashEntry(action_hash, element_action_info[i].suffix, + i_to_a(element_action_info[i].value)); - /* use default values for setup */ + /* do not store direction index (bit) here, but direction value! */ + for (i = 0; i < NUM_DIRECTIONS; i++) + setHashEntry(direction_hash, element_direction_info[i].suffix, + i_to_a(1 << element_direction_info[i].value)); - setup.sound_on = TRUE; - setup.sound_loops_on = FALSE; - setup.sound_music_on = FALSE; - setup.sound_simple_on = FALSE; - setup.toons_on = TRUE; - setup.direct_draw_on = FALSE; - setup.scroll_delay_on = FALSE; - setup.soft_scrolling_on = TRUE; - setup.fading_on = FALSE; - setup.autorecord_on = FALSE; - setup.quick_doors = FALSE; + for (list = setup_file_list; list != NULL; list = list->next) + { + char *element_token, *action_token, *direction_token; + char *element_value, *action_value, *direction_value; + int delay = atoi(list->value); - for (i=0; itoken, "end") == 0) { - setup.input[i].use_joystick = FALSE; - setup.input[i].joystick_nr = 0; - setup.input[i].joy.snap = (i == 0 ? JOY_BUTTON_1 : 0); - setup.input[i].joy.bomb = (i == 0 ? JOY_BUTTON_2 : 0); - setup.input[i].key.left = (i == 0 ? DEFAULT_KEY_LEFT : KEY_UNDEFINDED); - setup.input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KEY_UNDEFINDED); - setup.input[i].key.up = (i == 0 ? DEFAULT_KEY_UP : KEY_UNDEFINDED); - setup.input[i].key.down = (i == 0 ? DEFAULT_KEY_DOWN : KEY_UNDEFINDED); - setup.input[i].key.snap = (i == 0 ? DEFAULT_KEY_SNAP : KEY_UNDEFINDED); - setup.input[i].key.bomb = (i == 0 ? DEFAULT_KEY_BOMB : KEY_UNDEFINDED); + add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries); + + continue; } - return; - } + /* first try to break element into element/action/direction parts; + if this does not work, also accept combined "element[.act][.dir]" + elements (like "dynamite.active"), which are unique elements */ + if (strchr(list->token, '.') == NULL) /* token contains no '.' */ + { + element_value = getHashEntry(element_hash, list->token); + if (element_value != NULL) /* element found */ + add_helpanim_entry(atoi(element_value), -1, -1, delay, + &num_list_entries); + else + { + /* no further suffixes found -- this is not an element */ + print_unknown_token(filename, list->token, num_unknown_tokens++); + } + continue; + } - /* - next_entry = &setup_file; - */ + /* token has format "." */ + action_token = strchr(list->token, '.'); /* suffix may be action ... */ + direction_token = action_token; /* ... or direction */ + element_token = getStringCopy(list->token); + *strchr(element_token, '.') = '\0'; - while(!feof(file)) - { - /* read next line */ - if (!fgets(line, MAX_LINE_LEN, file)) - break; + element_value = getHashEntry(element_hash, element_token); - /* cut trailing comment or whitespace from input line */ - for (line_ptr = line; *line_ptr; line_ptr++) + if (element_value == NULL) /* this is no element */ { - if (*line_ptr == '#' || *line_ptr == '\n') - { - *line_ptr = '\0'; - break; - } - } + element_value = getHashEntry(element_hash, list->token); + if (element_value != NULL) /* combined element found */ + add_helpanim_entry(atoi(element_value), -1, -1, delay, + &num_list_entries); + else + print_unknown_token(filename, list->token, num_unknown_tokens++); - /* cut trailing whitespaces from input line */ - for (line_ptr = &line[strlen(line)]; line_ptr > line; line_ptr--) - if ((*line_ptr == ' ' || *line_ptr == '\t') && line_ptr[1] == '\0') - *line_ptr = '\0'; + free(element_token); - /* ignore empty lines */ - if (*line == '\0') continue; + } - line_len = strlen(line); + action_value = getHashEntry(action_hash, action_token); + if (action_value != NULL) /* action found */ + { + add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay, + &num_list_entries); - /* - printf("line: '%s'\n", line); - */ + free(element_token); + continue; + } - /* cut leading whitespaces from token */ - for (token = line; *token; token++) - if (*token != ' ' && *token != '\t') - break; + direction_value = getHashEntry(direction_hash, direction_token); - /* find end of token */ - for (line_ptr = token; *line_ptr; line_ptr++) + if (direction_value != NULL) /* direction found */ { - if (*line_ptr == ' ' || *line_ptr == '\t' || *line_ptr == ':') - { - *line_ptr = '\0'; - break; - } + add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay, + &num_list_entries); + + free(element_token); + + continue; } - if (line_ptr < line + line_len) - value = line_ptr + 1; - else - value = "\0"; + if (strchr(action_token + 1, '.') == NULL) + { + /* no further suffixes found -- this is not an action nor direction */ - /* cut leading whitespaces from value */ - for (; *value; value++) - if (*value != ' ' && *value != '\t') - break; + element_value = getHashEntry(element_hash, list->token); + if (element_value != NULL) /* combined element found */ + add_helpanim_entry(atoi(element_value), -1, -1, delay, + &num_list_entries); + else + print_unknown_token(filename, list->token, num_unknown_tokens++); + + free(element_token); + + continue; + } + /* token has format ".." */ - /* - printf("token / value: '%s' / '%s'\n", token, value); - */ + direction_token = strchr(action_token + 1, '.'); + action_token = getStringCopy(action_token); + *strchr(action_token + 1, '.') = '\0'; - if (*token && *value) + action_value = getHashEntry(action_hash, action_token); + + if (action_value == NULL) /* this is no action */ { - /* allocate new token/value pair */ + element_value = getHashEntry(element_hash, list->token); + if (element_value != NULL) /* combined element found */ + add_helpanim_entry(atoi(element_value), -1, -1, delay, + &num_list_entries); + else + print_unknown_token(filename, list->token, num_unknown_tokens++); - *next_entry = newSetupFileInfo(token, value); - next_entry = &((*next_entry)->next); + free(element_token); + free(action_token); + + continue; } - } - fclose(file); + direction_value = getHashEntry(direction_hash, direction_token); -#if 0 - printf("Content of setup file info:\n"); + if (direction_value != NULL) /* direction found */ + { + add_helpanim_entry(atoi(element_value), atoi(action_value), + atoi(direction_value), delay, &num_list_entries); - printSetupFileInfo(setup_file_info); -#endif + free(element_token); + free(action_token); + + continue; + } + /* this is no direction */ + + element_value = getHashEntry(element_hash, list->token); + if (element_value != NULL) /* combined element found */ + add_helpanim_entry(atoi(element_value), -1, -1, delay, + &num_list_entries); + else + print_unknown_token(filename, list->token, num_unknown_tokens++); + free(element_token); + free(action_token); + } - printf("decodeSetupFileInfo\n"); + print_unknown_token_end(num_unknown_tokens); + add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries); + add_helpanim_entry(HELPANIM_LIST_END, -1, -1, -1, &num_list_entries); + freeSetupFileList(setup_file_list); + freeSetupFileHash(element_hash); + freeSetupFileHash(action_hash); + freeSetupFileHash(direction_hash); - decodeSetupFileInfo(setup_file_info); - freeSetupFileInfo(setup_file_info); +#if 0 + for (i = 0; i < num_list_entries; i++) + printf("::: %d, %d, %d => %d\n", + helpanim_info[i].element, + helpanim_info[i].action, + helpanim_info[i].direction, + helpanim_info[i].delay); +#endif } -void SaveSetup() +void LoadHelpTextInfo() { + char *filename = getHelpTextFilename(); int i; - char filename[MAX_FILENAME_LEN]; - FILE *file; + if (helptext_info != NULL) + { + freeSetupFileHash(helptext_info); + helptext_info = NULL; + } + + if (fileExists(filename)) + helptext_info = loadSetupFileHash(filename); + + if (helptext_info == NULL) + { + /* use reliable default values from static configuration */ + helptext_info = newSetupFileHash(); + + for (i = 0; helptext_config[i].token; i++) + setHashEntry(helptext_info, + helptext_config[i].token, + helptext_config[i].value); + } + +#if 0 + BEGIN_HASH_ITERATION(helptext_info, itr) + { + printf("::: '%s' => '%s'\n", + HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr)); + } + END_HASH_ITERATION(hash, itr) +#endif +} + + +/* ------------------------------------------------------------------------- * + * convert levels + * ------------------------------------------------------------------------- */ +#define MAX_NUM_CONVERT_LEVELS 1000 - printf("SaveSetup\n"); +void ConvertLevels() +{ + static LevelDirTree *convert_leveldir = NULL; + static int convert_level_nr = -1; + static int num_levels_handled = 0; + static int num_levels_converted = 0; + static boolean levels_failed[MAX_NUM_CONVERT_LEVELS]; + int i; + convert_leveldir = getTreeInfoFromIdentifier(leveldir_first, + global.convert_leveldir); + if (convert_leveldir == NULL) + Error(ERR_EXIT, "no such level identifier: '%s'", + global.convert_leveldir); - sprintf(filename, "%s/%s", SETUP_PATH, SETUP_FILENAME); + leveldir_current = convert_leveldir; - if (!(file = fopen(filename, "w"))) + if (global.convert_level_nr != -1) { - Error(ERR_RETURN, "cannot write setup file '%s'", filename); - return; + convert_leveldir->first_level = global.convert_level_nr; + convert_leveldir->last_level = global.convert_level_nr; } - fprintf(file, "file_identifier: %s\n", - SETUP_COOKIE); + convert_level_nr = convert_leveldir->first_level; - fprintf(file, "\n"); + printf_line("=", 79); + printf("Converting levels\n"); + printf_line("-", 79); + printf("Level series identifier: '%s'\n", convert_leveldir->identifier); + printf("Level series name: '%s'\n", convert_leveldir->name); + printf("Level series author: '%s'\n", convert_leveldir->author); + printf("Number of levels: %d\n", convert_leveldir->levels); + printf_line("=", 79); + printf("\n"); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_SOUND, - setup.sound_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_SOUND_LOOPS, - setup.sound_loops_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_SOUND_MUSIC, - setup.sound_music_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_SOUND_SIMPLE, - setup.sound_simple_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_TOONS, - setup.toons_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_DIRECT_DRAW, - setup.direct_draw_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_SCROLL_DELAY, - setup.scroll_delay_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_SOFT_SCROLLING, - setup.soft_scrolling_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_FADING, - setup.fading_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_AUTORECORD, - setup.autorecord_on)); - fprintf(file, "%s\n", - getSetupEntry("", SETUP_TOKEN_QUICK_DOORS, - setup.quick_doors)); - - for (i=0; ilast_level) { - char prefix[30]; + char *level_filename; + boolean new_level; - sprintf(prefix, "%s%d", SETUP_TOKEN_PLAYER_PREFIX, i + 1); + level_nr = convert_level_nr++; - fprintf(file, "\n"); + printf("Level %03d: ", level_nr); + + LoadLevel(level_nr); + if (level.no_valid_file) + { + printf("(no level)\n"); + continue; + } + + printf("converting level ... "); + + level_filename = getDefaultLevelFilename(level_nr); + new_level = !fileExists(level_filename); + + if (new_level) + { + SaveLevel(level_nr); + + num_levels_converted++; + + printf("converted.\n"); + } + else + { + if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS) + levels_failed[level_nr] = TRUE; + + printf("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n"); + } + + num_levels_handled++; + } + + printf("\n"); + printf_line("=", 79); + printf("Number of levels handled: %d\n", num_levels_handled); + printf("Number of levels converted: %d (%d%%)\n", num_levels_converted, + (num_levels_handled ? + num_levels_converted * 100 / num_levels_handled : 0)); + printf_line("-", 79); + printf("Summary (for automatic parsing by scripts):\n"); + printf("LEVELDIR '%s', CONVERTED %d/%d (%d%%)", + convert_leveldir->identifier, num_levels_converted, + num_levels_handled, + (num_levels_handled ? + num_levels_converted * 100 / num_levels_handled : 0)); + + if (num_levels_handled != num_levels_converted) + { + printf(", FAILED:"); + for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++) + if (levels_failed[i]) + printf(" %03d", i); + } + + printf("\n"); + printf_line("=", 79); - fprintf(file, "%s\n", - getSetupEntry(prefix, SETUP_TOKEN_USE_JOYSTICK, - setup.input[i].use_joystick)); - fprintf(file, "%s\n", - getSetupEntry(prefix, SETUP_TOKEN_JOYSTICK_NR, - setup.input[i].joystick_nr)); - - fprintf(file, "%s%s: %s\n", prefix, - getSetupToken(SETUP_TOKEN_JOY_SNAP), - getJoyNameFromJoySymbol(setup.input[i].joy.snap)); - fprintf(file, "%s%s: %s\n", prefix, - getSetupToken(SETUP_TOKEN_JOY_BOMB), - getJoyNameFromJoySymbol(setup.input[i].joy.bomb)); - - fprintf(file, "%s\n", - getSetupEntryWithComment(prefix, SETUP_TOKEN_KEY_LEFT, - setup.input[i].key.left)); - fprintf(file, "%s\n", - getSetupEntryWithComment(prefix, SETUP_TOKEN_KEY_RIGHT, - setup.input[i].key.right)); - fprintf(file, "%s\n", - getSetupEntryWithComment(prefix, SETUP_TOKEN_KEY_UP, - setup.input[i].key.up)); - fprintf(file, "%s\n", - getSetupEntryWithComment(prefix, SETUP_TOKEN_KEY_DOWN, - setup.input[i].key.down)); - fprintf(file, "%s\n", - getSetupEntryWithComment(prefix, SETUP_TOKEN_KEY_SNAP, - setup.input[i].key.snap)); - fprintf(file, "%s\n", - getSetupEntryWithComment(prefix, SETUP_TOKEN_KEY_BOMB, - setup.input[i].key.bomb)); - } - - chmod(filename, SETUP_PERMS); + CloseAllAndExit(0); }