X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Ffiles.c;h=21309b825bf505ea3fc4ba98271d55874a3f0fb0;hb=f857fec3082c785b0dd271b6ad1b7642a2ed4e65;hp=9030319de763e6a0818c5aa7ceccde0a4eaef674;hpb=29014045f4de045f8452fdf7ab32622c94b37eef;p=rocksndiamonds.git diff --git a/src/files.c b/src/files.c index 9030319d..1321fe9c 100644 --- a/src/files.c +++ b/src/files.c @@ -1,767 +1,1944 @@ /*********************************************************** -* 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 "libgame/libgame.h" + #include "files.h" +#include "init.h" #include "tools.h" -#include "misc.h" #include "tape.h" -#include "joystick.h" -BOOL 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 14 /* 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 TAPE_HEADER_SIZE 20 /* size of tape file header */ +#define TAPE_HEADER_UNUSED 3 /* unused tape header bytes */ + +/* 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" + + +/* ========================================================================= */ +/* level file functions */ +/* ========================================================================= */ + +static void setLevelInfoToDefaults() +{ + int i, j, x, y; + + 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 */ + + lev_fieldx = level.fieldx = STD_LEV_FIELDX; + lev_fieldy = level.fieldy = STD_LEV_FIELDY; + + for(x=0; xauthor, 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_CONTRIBUTION: + strncpy(level.author, leveldir_current->name,MAX_LEVEL_AUTHOR_LEN); + level.author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + break; + + case LEVELCLASS_USER: + strncpy(level.author, getRealName(), MAX_LEVEL_AUTHOR_LEN); + level.author[MAX_LEVEL_AUTHOR_LEN] = '\0'; + break; + + default: + /* keep default value */ + break; + } + } +} + +static int checkLevelElement(int element) +{ + if (element >= NUM_FILE_ELEMENTS) + { + Error(ERR_WARN, "invalid level element %d", element); + element = EL_CHAR_QUESTION; + } + else if (element == EL_PLAYER_OBSOLETE) + element = EL_PLAYER_1; + else if (element == EL_KEY_OBSOLETE) + element = EL_KEY_1; + + 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; + + lev_fieldx = level->fieldx = fgetc(file); + lev_fieldy = level->fieldy = fgetc(file); + + level->time = getFile16BitBE(file); + level->gems_needed = getFile16BitBE(file); + + for(i=0; iname[i] = fgetc(file); + level->name[MAX_LEVEL_NAME_LEN] = 0; + + for(i=0; iscore[i] = fgetc(file); + + level->num_yam_contents = STD_ELEMENT_CONTENTS; + for(i=0; iyam_content[i][x][y] = checkLevelElement(fgetc(file)); + + level->amoeba_speed = fgetc(file); + level->time_magic_wall = fgetc(file); + level->time_wheel = fgetc(file); + level->amoeba_content = checkLevelElement(fgetc(file)); + level->double_speed = (fgetc(file) == 1 ? TRUE : FALSE); + level->gravity = (fgetc(file) == 1 ? TRUE : FALSE); + level->encoding_16bit_field = (fgetc(file) == 1 ? TRUE : FALSE); + level->em_slippery_gems = (fgetc(file) == 1 ? TRUE : FALSE); + + 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; iauthor[i] = fgetc(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; yfieldy; y++) + for(x=0; xfieldx; x++) + Feld[x][y] = Ur[x][y] = + checkLevelElement(level->encoding_16bit_field ? + getFile16BitBE(file) : fgetc(file)); + return chunk_size; +} + +static int LoadLevel_CONT(FILE *file, int chunk_size, struct LevelInfo *level) { - int i,j,k; - char filename[MAX_FILENAME]; - char empty_alias[MAX_NAMELEN]; + 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; + } + + fgetc(file); + level->num_yam_contents = fgetc(file); + fgetc(file); + fgetc(file); + + /* correct invalid number of content fields -- should never happen */ + if (level->num_yam_contents < 1 || + level->num_yam_contents > MAX_ELEMENT_CONTENTS) + level->num_yam_contents = STD_ELEMENT_CONTENTS; + + for(i=0; iyam_content[i][x][y] = + checkLevelElement(level->encoding_16bit_field ? + getFile16BitBE(file) : fgetc(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 = checkLevelElement(getFile16BitBE(file)); + num_contents = fgetc(file); + content_xsize = fgetc(file); + content_ysize = fgetc(file); + ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED); + + for(i=0; i MAX_ELEMENT_CONTENTS) + num_contents = STD_ELEMENT_CONTENTS; + + if (element == EL_YAMYAM) + { + level->num_yam_contents = num_contents; + + for(i=0; iyam_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_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_element_successor = getFile16BitBE(file); + int i = element - EL_CUSTOM_START; + + if (IS_CUSTOM_ELEMENT(element)) + level->custom_element_successor[i] = custom_element_successor; + else + Error(ERR_WARN, "invalid custom element number %d", element); + } + + return chunk_size; +} + +void LoadLevelFromFilename(char *filename) +{ + char cookie[MAX_LINE_LEN]; + char chunk_name[CHUNK_ID_LEN + 1]; + int chunk_size; FILE *file; - sprintf(filename,"%s/%s/%s", - level_directory,leveldir[leveldir_nr].filename,SCORE_FILENAME); + /* always start with reliable default values */ + setLevelInfoToDefaults(); + + if (!(file = fopen(filename, MODE_READ))) + { + level.no_level_file = TRUE; + + Error(ERR_WARN, "cannot read level '%s' - creating new 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) + { + 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)) + { + Error(ERR_WARN, "unknown format of level file '%s'", filename); + fclose(file); + return; + } + + if ((level.file_version = getFileVersionFromCookieString(cookie)) == -1) + { + 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 }, + { "CUS1", -1, LoadLevel_CUS1 }, + { "CUS2", -1, LoadLevel_CUS2 }, + { 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); + + if (leveldir_current == NULL) /* only when dumping level */ + return; + + if (IS_LEVELCLASS_CONTRIBUTION(leveldir_current) || + IS_LEVELCLASS_USER(leveldir_current)) + { + /* For user contributed and private 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). */ + + /* do some special adjustments to support older level versions */ + if (level.file_version == FILE_VERSION_1_0) + { + Error(ERR_WARN, "level file '%s' has version number 1.0", filename); + Error(ERR_WARN, "using high speed movement for player"); + + /* player was faster than monsters in (pre-)1.0 levels */ + 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)) + level.em_slippery_gems = TRUE; + } + else + { + /* Always use the latest version of the game engine for all but + user contributed and private levels; 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 game emulation 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; + } + + /* map some elements which have changed in newer versions */ + if (level.game_version <= VERSION_IDENT(2,2,0)) + { + int x, y; + + /* map game font elements */ + for(y=0; yfile_version); + putFileVersion(file, level->game_version); +} + +static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level) +{ + int i, x, y; + + fputc(level->fieldx, file); + fputc(level->fieldy, file); + + putFile16BitBE(file, level->time); + putFile16BitBE(file, level->gems_needed); + + for(i=0; iname[i], file); + + for(i=0; iscore[i], file); + + for(i=0; iencoding_16bit_yamyam ? EL_EMPTY : + level->yam_content[i][x][y]), + file); + fputc(level->amoeba_speed, file); + fputc(level->time_magic_wall, file); + fputc(level->time_wheel, file); + fputc((level->encoding_16bit_amoeba ? EL_EMPTY : level->amoeba_content), + file); + fputc((level->double_speed ? 1 : 0), file); + fputc((level->gravity ? 1 : 0), file); + fputc((level->encoding_16bit_field ? 1 : 0), file); + fputc((level->em_slippery_gems ? 1 : 0), file); + + WriteUnusedBytesToFile(file, LEVEL_HEADER_UNUSED); +} + +static void SaveLevel_AUTH(FILE *file, struct LevelInfo *level) +{ + int i; + + for(i=0; iauthor[i], file); +} + +static void SaveLevel_BODY(FILE *file, struct LevelInfo *level) +{ + int x, y; + + for(y=0; yfieldy; y++) + for(x=0; xfieldx; x++) + if (level->encoding_16bit_field) + putFile16BitBE(file, Ur[x][y]); + else + fputc(Ur[x][y], file); +} + +#if 0 +static void SaveLevel_CONT(FILE *file, struct LevelInfo *level) +{ + int i, x, y; + + fputc(EL_YAMYAM, file); + fputc(level->num_yam_contents, file); + fputc(0, file); + fputc(0, file); + + for(i=0; iencoding_16bit_field) + putFile16BitBE(file, level->yam_content[i][x][y]); + else + fputc(level->yam_content[i][x][y], file); +} +#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_yam_contents; + content_xsize = 3; + content_ysize = 3; + + for(i=0; iyam_content[i][x][y]; + } + else if (element == EL_BD_AMOEBA) + { + num_contents = 1; + content_xsize = 1; + content_ysize = 1; + + for(i=0; iamoeba_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); + fputc(num_contents, file); + fputc(content_xsize, file); + fputc(content_ysize, file); + + WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED); + + for(i=0; icustom_element_successor[i] != EL_EMPTY_SPACE) + { + if (check < num_changed_custom_elements) + { + putFile16BitBE(file, element); + putFile16BitBE(file, level->custom_element_successor[i]); + } + + check++; + } + } + + if (check != num_changed_custom_elements) /* should not happen */ + Error(ERR_WARN, "inconsistent number of custom element successors"); +} + +void SaveLevel(int level_nr) +{ + char *filename = getLevelFilename(level_nr); + int body_chunk_size; + int num_changed_custom_elements1 = 0; + int num_changed_custom_elements2 = 0; + 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 255) + level.encoding_16bit_field = TRUE; + + /* check yamyam content for 16-bit elements */ + level.encoding_16bit_yamyam = FALSE; + for(i=0; i 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); + + /* check for non-standard custom elements and calculate "CUS1" chunk size */ + for (i=0; i < NUM_CUSTOM_ELEMENTS; i++) + if (Properties[EL_CUSTOM_START +i][EP_BITFIELD_BASE] != EP_BITMASK_DEFAULT) + num_changed_custom_elements1++; + + /* check for non-standard custom elements and calculate "CUS2" chunk size */ + for (i=0; i < NUM_CUSTOM_ELEMENTS; i++) + if (level.custom_element_successor[i] != EL_EMPTY_SPACE) + num_changed_custom_elements2++; + + 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_yam_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); + } + + if (num_changed_custom_elements1 > 0) + { + putFileChunkBE(file, "CUS1", 2 + num_changed_custom_elements1 * 6); + SaveLevel_CUS1(file, &level, num_changed_custom_elements1); + } + + if (num_changed_custom_elements2 > 0) + { + putFileChunkBE(file, "CUS2", 2 + num_changed_custom_elements2 * 4); + SaveLevel_CUS2(file, &level, num_changed_custom_elements2); + } + + fclose(file); + + SetFilePermissions(filename, PERMS_PRIVATE); +} + +void DumpLevel(struct LevelInfo *level) +{ + printf_line("-", 79); + printf("Level xxx (file version %06d, game version %06d)\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("Gravity: %s\n", (level->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_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; ifile_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 = fgetc(file); + int engine_version; + + /* since version 1.2, tapes store which players participate in the tape */ + tape->num_participating_players = 0; + for(i=0; iplayer_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; + } + + 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] = fgetc(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; ilength; i++) + { + if (i >= MAX_TAPELEN) + break; + + for(j=0; jpos[i].action[j] = MV_NO_MOVING; + + if (tape->player_participates[j]) + tape->pos[i].action[j] = fgetc(file); + } + + tape->pos[i].delay = fgetc(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; jpos[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))) + 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) + { + 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)) + { + Error(ERR_WARN, "unknown format of tape file '%s'", filename); + fclose(file); + return; + } - if (!(file=fopen(filename,"w"))) - return(FALSE); + if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1) + { + Error(ERR_WARN, "unsupported version of tape file '%s'", filename); + fclose(file); + return; + } - for(i=0;ifile_version); + putFileVersion(file, tape->game_version); } -BOOL LoadLevelInfo() +static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape) { int i; - char filename[MAX_FILENAME]; - char cookie[MAX_FILENAME]; - FILE *file; - - sprintf(filename,"%s/%s",level_directory,LEVDIR_FILENAME); - - if (!(file=fopen(filename,"r"))) - { - Error(ERR_RETURN, "cannot load level info '%s'", filename); - return(FALSE); - } + byte store_participating_players = 0; - fscanf(file,"%s\n",cookie); - if (strcmp(cookie,LEVELDIR_COOKIE)) /* ungültiges Format? */ - { - Error(ERR_RETURN, "wrong format of level info file"); - fclose(file); - return(FALSE); - } + /* set bits for participating players for compact storage */ + for(i=0; iplayer_participates[i]) + store_participating_players |= (1 << i); - num_leveldirs = 0; - leveldir_nr = 0; - for(i=0;irandom_seed); + putFile32BitBE(file, tape->date); + putFile32BitBE(file, tape->length); - num_leveldirs++; - } + fputc(store_participating_players, file); - if (!num_leveldirs) - { - Error(ERR_RETURN, "empty level info '%s'", filename); - return(FALSE); - } + /* unused bytes not at the end here for 4-byte alignment of engine_version */ + WriteUnusedBytesToFile(file, TAPE_HEADER_UNUSED); - return(TRUE); + putFileVersion(file, tape->engine_version); } -void LoadLevel(int level_nr) +static void SaveTape_INFO(FILE *file, struct TapeInfo *tape) { - int i,x,y; - char filename[MAX_FILENAME]; - char cookie[MAX_FILENAME]; - FILE *file; - - sprintf(filename,"%s/%s/%d", - level_directory,leveldir[leveldir_nr].filename,level_nr); - - if (!(file = fopen(filename,"r"))) - { -/* - Error(ERR_RETURN, "cannot load level '%s'", filename); -*/ - } - else - { - fgets(cookie,LEVEL_COOKIE_LEN,file); - fgetc(file); - - if (strcmp(cookie,LEVEL_COOKIE)) /* ungültiges Format? */ - { - Error(ERR_RETURN, "wrong format of level file '%s'", filename); - fclose(file); - file = NULL; - } - } - - if (file) - { - lev_fieldx = level.fieldx = fgetc(file); - lev_fieldy = level.fieldy = fgetc(file); - - level.time = (fgetc(file)<<8) | fgetc(file); - level.edelsteine = (fgetc(file)<<8) | fgetc(file); - for(i=0;ilevel_identifier) + 1; + int i; - for(i=0;ilevel_identifier[i], file); - for(y=0;ylevel_nr); +} - fclose(file); +static void SaveTape_BODY(FILE *file, struct TapeInfo *tape) +{ + int i, j; - if (level.time<=10) /* Mindestspieldauer */ - level.time = 10; - } - else + for(i=0; ilength; i++) { - lev_fieldx = level.fieldx = STD_LEV_FIELDX; - lev_fieldy = level.fieldy = STD_LEV_FIELDY; - - level.time = 100; - level.edelsteine = 0; - strncpy(level.name,"Nameless Level",MAX_LEVNAMLEN-1); - for(i=0;iplayer_participates[j]) + fputc(tape->pos[i].action[j], file); - for(y=0;ypos[i].delay, file); } } -void LoadLevelTape(int level_nr) +void SaveTape(int level_nr) { - int i; - char filename[MAX_FILENAME]; - char cookie[MAX_FILENAME]; + char *filename = getTapeFilename(level_nr); FILE *file; - BOOL levelrec_10 = FALSE; + boolean new_tape = TRUE; + int num_participating_players = 0; + int info_chunk_size; + int body_chunk_size; + int i; -#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 + InitTapeDirectory(leveldir_current->filename); - if ((file=fopen(filename,"r"))) + /* if a tape still exists, ask to overwrite it */ + if (access(filename, F_OK) == 0) { - 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; - } + new_tape = FALSE; + if (!Request("Replace old tape ?", REQ_ASK)) + return; } - if (!file) + if (!(file = fopen(filename, MODE_WRITE))) + { + Error(ERR_WARN, "cannot save level recording file '%s'", filename); 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.file_version = FILE_VERSION_ACTUAL; + tape.game_version = GAME_VERSION_ACTUAL; - tape.level_nr = level_nr; - tape.counter = 0; - tape.changed = FALSE; + /* count number of participating players */ + for(i=0; i= MAX_TAPELEN) - break; + putFileChunkBE(file, "VERS", FILE_VERS_CHUNK_SIZE); + SaveTape_VERS(file, &tape); - for(j=0; j0) - { - tape.pos[i].joystickdata[j] = MV_NO_MOVING; - continue; - } - tape.pos[i].joystickdata[j] = fgetc(file); - } + putFileChunkBE(file, "HEAD", TAPE_HEADER_SIZE); + SaveTape_HEAD(file, &tape); - tape.pos[i].delay = fgetc(file); + putFileChunkBE(file, "INFO", info_chunk_size); + SaveTape_INFO(file, &tape); - if (feof(file)) - break; - } + putFileChunkBE(file, "BODY", body_chunk_size); + SaveTape_BODY(file, &tape); fclose(file); - if (i != tape.length) - Error(ERR_RETURN, "level recording file '%s' corrupted", filename); + SetFilePermissions(filename, PERMS_PRIVATE); - tape.length_seconds = GetTapeLength(); + tape.changed = FALSE; + + if (new_tape) + Request("tape saved !", REQ_CONFIRM); } -void LoadScore(int level_nr) +void DumpTape(struct TapeInfo *tape) { - int i,j; - char filename[MAX_FILENAME]; - char cookie[MAX_FILENAME]; - FILE *file; + int i, j; - sprintf(filename,"%s/%s/%s", - level_directory,leveldir[leveldir_nr].filename,SCORE_FILENAME); - - if (!(file = fopen(filename,"r"))) + if (TAPE_IS_EMPTY(*tape)) { - if (!CreateNewScoreFile()) - Error(ERR_RETURN, "cannot create score file '%s'", filename); - else if (!(file = fopen(filename,"r"))) - Error(ERR_RETURN, "cannot load score for level %d", level_nr); + Error(ERR_WARN, "no tape available for level %d", tape->level_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; - } - } + printf_line("-", 79); + printf("Tape of Level %03d (file version %06d, game version %06d)\n", + tape->level_nr, tape->file_version, tape->game_version); + printf("Level series identifier: '%s'\n", tape->level_identifier); + printf_line("-", 79); - if (file) - { - fseek(file, - SCORE_COOKIE_LEN-1+level_nr*(MAX_SCORE_ENTRIES*(MAX_NAMELEN+2)), - SEEK_SET); - for(i=0;ilength; i++) { - for(i=0;i= MAX_TAPELEN) + break; + + printf("%03d: ", i); + + for(j=0; jplayer_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' : ' ')); + } } + + printf("(%03d)\n", tape->pos[i].delay); } + + printf_line("-", 79); } -void LoadPlayerInfo(int mode) + +/* ========================================================================= */ +/* score file functions */ +/* ========================================================================= */ + +void LoadScore(int level_nr) { int i; - char filename[MAX_FILENAME]; - char cookie[MAX_FILENAME]; + char *filename = getScoreFilename(level_nr); + char cookie[MAX_LINE_LEN]; + char line[MAX_LINE_LEN]; + char *line_ptr; FILE *file; - char *login_name = GetLoginName(); - struct PlayerInfo default_player, new_player; - int version_10_file = FALSE; - - 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); - - for(i=0;i 0 && cookie[strlen(cookie) - 1] == '\n') + cookie[strlen(cookie) - 1] = '\0'; - if (!file) + if (!checkCookieString(cookie, SCORE_COOKIE)) { - *local_player = default_player; - level_nr = default_player.level_nr; + Error(ERR_WARN, "unknown format of score file '%s'", filename); + fclose(file); return; } - while(1) + for(i=0; ileveldir_nr < num_leveldirs) - leveldir_nr = local_player->leveldir_nr; - else - leveldir_nr = 0; - } - else - { - local_player->handicap = new_player.handicap; - local_player->level_nr = new_player.level_nr; } - level_nr = local_player->level_nr; fclose(file); } -void SaveLevel(int level_nr) +void SaveScore(int level_nr) { - int i,x,y; - char filename[MAX_FILENAME]; + int i; + char *filename = getScoreFilename(level_nr); FILE *file; - sprintf(filename,"%s/%s/%d", - level_directory,leveldir[leveldir_nr].filename,level_nr); + InitScoreDirectory(leveldir_current->filename); - if (!(file=fopen(filename,"w"))) + if (!(file = fopen(filename, MODE_WRITE))) { - Error(ERR_RETURN, "cannot save level file '%s'", filename); + Error(ERR_WARN, "cannot save score for level %d", level_nr); 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 MAX_PLAYER_NAME_LEN) /* name has been cut */ + if (strchr(login_name_new, ' ')) + *strchr(login_name_new, ' ') = '\0'; + + return login_name_new; +} - if (!(file=fopen(filename,"w"))) +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->time_limit = TRUE; + si->fullscreen = FALSE; + si->ask_on_escape = TRUE; + + si->graphics_set = getStringCopy(GRAPHICS_SUBDIR); + si->sounds_set = getStringCopy(SOUNDS_SUBDIR); + si->music_set = getStringCopy(MUSIC_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_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->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; iinput[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.bomb = (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.bomb = (i == 0 ? DEFAULT_KEY_BOMB : KSYM_UNDEFINED); } - fputs(LEVELREC_COOKIE,file); /* Formatkennung */ - fputc(0x0a,file); + si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT); + si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE; - fputc((tape.random_seed >> 24) & 0xff,file); - fputc((tape.random_seed >> 16) & 0xff,file); - fputc((tape.random_seed >> 8) & 0xff,file); - fputc((tape.random_seed >> 0) & 0xff,file); + si->options.verbose = FALSE; +} - fputc((tape.date >> 24) & 0xff,file); - fputc((tape.date >> 16) & 0xff,file); - fputc((tape.date >> 8) & 0xff,file); - fputc((tape.date >> 0) & 0xff,file); +static void decodeSetupFileHash(SetupFileHash *setup_file_hash) +{ + int i, pnr; - fputc((tape.length >> 24) & 0xff,file); - fputc((tape.length >> 16) & 0xff,file); - fputc((tape.length >> 8) & 0xff,file); - fputc((tape.length >> 0) & 0xff,file); + if (!setup_file_hash) + return; - for(i=0;ilogin_name, MAX_NAMELEN-1)) - { - fseek(file,-(2*MAX_NAMELEN+1+2+1+(version_10_file ? 0 : 11)),SEEK_CUR); - break; - } + fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i)); } - local_player->level_nr = level_nr; + /* editor setup */ + sei = setup.editor; + fprintf(file, "\n"); + 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) + /* player setup */ + for (pnr=0; pnrlevel_nr,file); - for(i=0;i<10;i++) /* currently unused bytes */ - fputc(0,file); + char prefix[30]; + + sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1); + fprintf(file, "\n"); + + sii = setup.input[pnr]; + for (i=0; i