#include "tape.h"
#include "joystick.h"
-#define MAX_FILENAME_LEN 256 /* maximal filename length */
-#define MAX_LINE_LEN 1000 /* maximal input line length */
-#define CHUNK_ID_LEN 4 /* IFF style chunk id length */
-#define LEVEL_HEADER_SIZE 80 /* size of level file header */
-#define LEVEL_HEADER_UNUSED 15 /* unused level header bytes */
-#define TAPE_HEADER_SIZE 20 /* size of tape file header */
-#define TAPE_HEADER_UNUSED 7 /* unused tape header bytes */
-
-#if 0
-#define FILE_VERSION_1_0 10 /* 1.0 file version (old) */
-#define FILE_VERSION_1_2 12 /* 1.2 file version (still in use) */
-#define FILE_VERSION_1_4 14 /* 1.4 file version (new) */
-#endif
+#define MAX_FILENAME_LEN 256 /* maximal filename length */
+#define MAX_LINE_LEN 1000 /* maximal input line length */
+#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 15 /* 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 7 /* unused tape header bytes */
/* file identifier strings */
-#define LEVEL_COOKIE "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_2.0"
+#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"
-#define TAPE_COOKIE "ROCKSNDIAMONDS_TAPE_FILE_VERSION_1.2"
#define SETUP_COOKIE "ROCKSNDIAMONDS_SETUP_FILE_VERSION_1.2"
#define LEVELSETUP_COOKIE "ROCKSNDIAMONDS_LEVELSETUP_FILE_VERSION_1.2"
#define LEVELINFO_COOKIE "ROCKSNDIAMONDS_LEVELINFO_FILE_VERSION_1.2"
-/* old file identifiers for backward compatibility */
-#define LEVEL_COOKIE_10 "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_1.0"
-#define LEVEL_COOKIE_12 "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_1.2"
-#define LEVEL_COOKIE_14 "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_1.4"
-#define TAPE_COOKIE_10 "ROCKSNDIAMONDS_LEVELREC_FILE_VERSION_1.0"
/* file names and filename extensions */
#if !defined(PLATFORM_MSDOS)
#define SCOREFILE_EXTENSION "sco"
#endif
-#if defined(PLATFORM_WIN32)
-#ifndef S_IRGRP
-#define S_IRGRP S_IRUSR
-#endif
-#ifndef S_IROTH
-#define S_IROTH S_IRUSR
-#endif
-#ifndef S_IWGRP
-#define S_IWGRP S_IWUSR
-#endif
-#ifndef S_IWOTH
-#define S_IWOTH S_IWUSR
-#endif
-#ifndef S_IXGRP
-#define S_IXGRP S_IXUSR
-#endif
-#ifndef S_IXOTH
-#define S_IXOTH S_IXUSR
-#endif
-#endif /* PLATFORM_WIN32 */
-
-/* file permissions for newly written files */
-#define MODE_R_ALL (S_IRUSR | S_IRGRP | S_IROTH)
-#define MODE_W_ALL (S_IWUSR | S_IWGRP | S_IWOTH)
-#define MODE_X_ALL (S_IXUSR | S_IXGRP | S_IXOTH)
-#define LEVEL_PERMS (MODE_R_ALL | MODE_W_ALL)
-#define SCORE_PERMS LEVEL_PERMS
-#define TAPE_PERMS LEVEL_PERMS
-#define SETUP_PERMS LEVEL_PERMS
-
/* sort priorities of level series (also used as level series classes) */
#define LEVELCLASS_TUTORIAL_START 10
#define LEVELCLASS_TUTORIAL_END 99
IS_LEVELCLASS_USER(n) ? 7 : \
9)
-static int getFileVersionFromCookieString(const char *cookie)
-{
- const char *ptr_cookie1, *ptr_cookie2;
- const char *pattern1 = "_FILE_VERSION_";
- const char *pattern2 = "?.?";
- const int len_cookie = strlen(cookie);
- const int len_pattern1 = strlen(pattern1);
- const int len_pattern2 = strlen(pattern2);
- const int len_pattern = len_pattern1 + len_pattern2;
- int version_major, version_minor;
-
- if (len_cookie <= len_pattern)
- return -1;
-
- ptr_cookie1 = &cookie[len_cookie - len_pattern];
- ptr_cookie2 = &cookie[len_cookie - len_pattern2];
-
- if (strncmp(ptr_cookie1, pattern1, len_pattern1) != 0)
- return -1;
-
- if (ptr_cookie2[0] < '0' || ptr_cookie2[0] > '9' ||
- ptr_cookie2[1] != '.' ||
- ptr_cookie2[2] < '0' || ptr_cookie2[2] > '9')
- return -1;
-
- version_major = ptr_cookie2[0] - '0';
- version_minor = ptr_cookie2[2] - '0';
-
- return (version_major * 10 + version_minor);
-}
-
-boolean checkCookieString(const char *cookie, const char *template)
-{
- const char *pattern = "_FILE_VERSION_?.?";
- const int len_cookie = strlen(cookie);
- const int len_template = strlen(template);
- const int len_pattern = strlen(pattern);
-
- if (len_cookie != len_template)
- return FALSE;
-
- if (strncmp(cookie, template, len_cookie - len_pattern) != 0)
- return FALSE;
-
- return TRUE;
-}
-
char *getLevelClassDescription(struct LevelDirInfo *ldi)
{
int position = ldi->sort_priority / 100;
createDirectory(getLevelSetupDir(level_subdir), "level setup");
}
+static void ReadUnusedBytesFromFile(FILE *file, unsigned long bytes)
+{
+ while (bytes--)
+ fgetc(file);
+}
+
+static void WriteUnusedBytesToFile(FILE *file, unsigned long bytes)
+{
+ while (bytes--)
+ fputc(0, file);
+}
+
+static void ReadChunk_VERS(FILE *file, int *file_version, int *game_version)
+{
+ int file_version_major, file_version_minor, file_version_patch;
+ int game_version_major, game_version_minor, game_version_patch;
+
+ file_version_major = fgetc(file);
+ file_version_minor = fgetc(file);
+ file_version_patch = fgetc(file);
+ fgetc(file); /* not used */
+
+ game_version_major = fgetc(file);
+ game_version_minor = fgetc(file);
+ game_version_patch = fgetc(file);
+ fgetc(file); /* not used */
+
+ *file_version = VERSION_IDENT(file_version_major,
+ file_version_minor,
+ file_version_patch);
+
+ *game_version = VERSION_IDENT(game_version_major,
+ game_version_minor,
+ game_version_patch);
+}
+
+static void WriteChunk_VERS(FILE *file, int file_version, int game_version)
+{
+ int file_version_major = VERSION_MAJOR(file_version);
+ int file_version_minor = VERSION_MINOR(file_version);
+ int file_version_patch = VERSION_PATCH(file_version);
+ int game_version_major = VERSION_MAJOR(game_version);
+ int game_version_minor = VERSION_MINOR(game_version);
+ int game_version_patch = VERSION_PATCH(game_version);
+
+ fputc(file_version_major, file);
+ fputc(file_version_minor, file);
+ fputc(file_version_patch, file);
+ fputc(0, file); /* not used */
+
+ fputc(game_version_major, file);
+ fputc(game_version_minor, file);
+ fputc(game_version_patch, file);
+ fputc(0, file); /* not used */
+}
+
+static int getFileVersionFromCookieString(const char *cookie)
+{
+ const char *ptr_cookie1, *ptr_cookie2;
+ const char *pattern1 = "_FILE_VERSION_";
+ const char *pattern2 = "?.?";
+ const int len_cookie = strlen(cookie);
+ const int len_pattern1 = strlen(pattern1);
+ const int len_pattern2 = strlen(pattern2);
+ const int len_pattern = len_pattern1 + len_pattern2;
+ int version_major, version_minor;
+
+ if (len_cookie <= len_pattern)
+ return -1;
+
+ ptr_cookie1 = &cookie[len_cookie - len_pattern];
+ ptr_cookie2 = &cookie[len_cookie - len_pattern2];
+
+ if (strncmp(ptr_cookie1, pattern1, len_pattern1) != 0)
+ return -1;
+
+ if (ptr_cookie2[0] < '0' || ptr_cookie2[0] > '9' ||
+ ptr_cookie2[1] != '.' ||
+ ptr_cookie2[2] < '0' || ptr_cookie2[2] > '9')
+ return -1;
+
+ version_major = ptr_cookie2[0] - '0';
+ version_minor = ptr_cookie2[2] - '0';
+
+ return VERSION_IDENT(version_major, version_minor, 0);
+}
+
+boolean checkCookieString(const char *cookie, const char *template)
+{
+ const char *pattern = "_FILE_VERSION_?.?";
+ const int len_cookie = strlen(cookie);
+ const int len_template = strlen(template);
+ const int len_pattern = strlen(pattern);
+
+ if (len_cookie != len_template)
+ return FALSE;
+
+ if (strncmp(cookie, template, len_cookie - len_pattern) != 0)
+ return FALSE;
+
+ return TRUE;
+}
+
static void setLevelInfoToDefaults()
{
int i, x, y;
level.file_version = FILE_VERSION_ACTUAL;
level.game_version = GAME_VERSION_ACTUAL;
- level.encoding_16bit = FALSE; /* default: only 8-bit elements */
+ 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(i=0; i<MAX_ELEMENT_CONTENTS; i++)
for(x=0; x<3; x++)
for(y=0; y<3; y++)
- level.yam_content[i][x][y] = EL_FELSBROCKEN;
+ level.yam_content[i][x][y] =
+ (i < STD_ELEMENT_CONTENTS ? EL_FELSBROCKEN : EL_LEERRAUM);
Feld[0][0] = Ur[0][0] = EL_SPIELFIGUR;
Feld[STD_LEV_FIELDX-1][STD_LEV_FIELDY-1] =
return element;
}
-void OLD_LoadLevel(int level_nr)
+static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level)
{
- int i, x, y;
- char *filename = getLevelFilename(level_nr);
- char cookie[MAX_LINE_LEN];
- char chunk[CHUNK_ID_LEN + 1];
- boolean encoding_16bit = FALSE; /* default: maximal 256 elements */
- int file_version = FILE_VERSION_ACTUAL;
- int chunk_length;
- FILE *file;
-
- /* always start with reliable default values */
- setLevelInfoToDefaults();
-
- if (!(file = fopen(filename, MODE_READ)))
- {
- Error(ERR_WARN, "cannot read level '%s' - creating new level", filename);
- return;
- }
-
- /* check file identifier */
- fgets(cookie, MAX_LINE_LEN, file);
- if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
- cookie[strlen(cookie) - 1] = '\0';
-
-#if 0
- if (strcmp(cookie, LEVEL_COOKIE_10) == 0) /* old 1.0 level format */
- file_version = FILE_VERSION_1_0;
- else if (strcmp(cookie, LEVEL_COOKIE_12) == 0)/* 1.2 (8 bit) level format */
- file_version = FILE_VERSION_1_2;
- else if (strcmp(cookie, LEVEL_COOKIE) != 0) /* unknown level format */
- {
- Error(ERR_WARN, "wrong file identifier of level file '%s'", filename);
- fclose(file);
- return;
- }
-#else
- if (!checkCookieString(cookie, LEVEL_COOKIE)) /* unknown file format */
- {
- Error(ERR_WARN, "unknown format of level file '%s'", filename);
- fclose(file);
- return;
- }
-
- file_version = getFileVersionFromCookieString(cookie);
-#endif
-
- level.file_version = file_version;
-
- /* read chunk "HEAD" */
- if (file_version >= FILE_VERSION_1_2)
- {
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- if (strcmp(chunk, "HEAD") || chunk_length != LEVEL_HEADER_SIZE)
- {
- Error(ERR_WARN, "wrong 'HEAD' chunk of level file '%s'", filename);
- fclose(file);
- return;
- }
- }
-
- lev_fieldx = level.fieldx = fgetc(file);
- lev_fieldy = level.fieldy = fgetc(file);
-
- level.time = getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
- level.gems_needed = getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
-
- for(i=0; i<MAX_LEVEL_NAME_LEN; i++)
- level.name[i] = fgetc(file);
- level.name[MAX_LEVEL_NAME_LEN] = 0;
-
- for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
- level.score[i] = fgetc(file);
-
- level.num_yam_contents = STD_ELEMENT_CONTENTS;
- for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
- {
- for(y=0; y<3; y++)
- {
- for(x=0; x<3; x++)
- {
- if (i < STD_ELEMENT_CONTENTS)
- level.yam_content[i][x][y] = checkLevelElement(fgetc(file));
- else
- level.yam_content[i][x][y] = EL_LEERRAUM;
- }
- }
- }
-
- 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);
-
- encoding_16bit = (fgetc(file) == 1 ? TRUE : FALSE);
-
- for(i=0; i<LEVEL_HEADER_UNUSED; i++) /* skip unused header bytes */
- fgetc(file);
-
- if (file_version >= FILE_VERSION_1_2)
- {
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
-
- /* look for optional author chunk */
- if (strcmp(chunk, "AUTH") == 0 && chunk_length == MAX_LEVEL_AUTHOR_LEN)
- {
- for(i=0; i<MAX_LEVEL_AUTHOR_LEN; i++)
- level.author[i] = fgetc(file);
- level.author[MAX_LEVEL_NAME_LEN] = 0;
-
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- }
-
- /* look for optional content chunk */
- if (strcmp(chunk, "CONT") == 0 &&
- chunk_length == 4 + MAX_ELEMENT_CONTENTS * 3 * 3)
- {
- fgetc(file);
- level.num_yam_contents = fgetc(file);
- fgetc(file);
- fgetc(file);
-
- if (level.num_yam_contents < 1 ||
- level.num_yam_contents > MAX_ELEMENT_CONTENTS)
- {
-#if DEBUG
- printf("WARNING: num_yam_contents == %d (corrected)\n",
- level.num_yam_contents);
-#endif
- level.num_yam_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.yam_content[i][x][y] =
- checkLevelElement(encoding_16bit ?
- getFile16BitInteger(file,
- BYTE_ORDER_BIG_ENDIAN) :
- fgetc(file));
-
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- }
-
- /* next check body chunk identifier and chunk length */
- if (strcmp(chunk, "BODY") != 0 || chunk_length != lev_fieldx * lev_fieldy)
- {
- Error(ERR_WARN, "wrong 'BODY' chunk of level file '%s'", filename);
- fclose(file);
- return;
- }
- }
-
- /* clear all other level fields (needed if resized in level editor later) */
- for(x=0; x<MAX_LEV_FIELDX; x++)
- for(y=0; y<MAX_LEV_FIELDY; y++)
- Feld[x][y] = Ur[x][y] = EL_LEERRAUM;
-
- /* now read in the valid level fields from level file */
- for(y=0; y<lev_fieldy; y++)
- for(x=0; x<lev_fieldx; x++)
- Feld[x][y] = Ur[x][y] =
- checkLevelElement(encoding_16bit ?
- getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN) :
- fgetc(file));
-
- fclose(file);
-
- 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 */
- level.game_version = file_version;
-
- /* player was faster than monsters in pre-1.0 levels */
- if (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");
- level.double_speed = TRUE;
- }
- }
- else
- {
- /* always use the latest version of the game engine for all but
- user contributed and private levels */
- level.game_version = GAME_VERSION_ACTUAL;
- }
+ ReadChunk_VERS(file, &(level->file_version), &(level->game_version));
- /* determine border element for this level */
- SetBorderElement();
+ return chunk_size;
}
-static void LoadLevel_HEAD(struct LevelInfo *level, FILE *file)
+static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level)
{
int i, x, y;
level->score[i] = fgetc(file);
level->num_yam_contents = STD_ELEMENT_CONTENTS;
- for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
- {
+ for(i=0; i<STD_ELEMENT_CONTENTS; i++)
for(y=0; y<3; y++)
- {
for(x=0; x<3; x++)
- {
- if (i < STD_ELEMENT_CONTENTS)
- level->yam_content[i][x][y] = checkLevelElement(fgetc(file));
- else
- level->yam_content[i][x][y] = EL_LEERRAUM;
- }
- }
- }
+ level->yam_content[i][x][y] = checkLevelElement(fgetc(file));
level->amoeba_speed = fgetc(file);
level->time_magic_wall = fgetc(file);
level->double_speed = (fgetc(file) == 1 ? TRUE : FALSE);
level->gravity = (fgetc(file) == 1 ? TRUE : FALSE);
- level->encoding_16bit = (fgetc(file) == 1 ? TRUE : FALSE);
+ level->encoding_16bit_field = (fgetc(file) == 1 ? TRUE : FALSE);
- for(i=0; i<LEVEL_HEADER_UNUSED; i++) /* skip unused header bytes */
- fgetc(file);
+ ReadUnusedBytesFromFile(file, LEVEL_HEADER_UNUSED);
+
+ return chunk_size;
}
-static void LoadLevel_AUTH(struct LevelInfo *level, FILE *file)
+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] = fgetc(file);
level->author[MAX_LEVEL_NAME_LEN] = 0;
+
+ return chunk_size;
}
-static void LoadLevel_CONT(struct LevelInfo *level, FILE *file)
+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;
+ }
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)
- {
-#if DEBUG
- printf("WARNING: num_yam_contents == %d (corrected)\n",
- level->num_yam_contents);
-#endif
level->num_yam_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->yam_content[i][x][y] =
- checkLevelElement(level->encoding_16bit ?
- getFile16BitInteger(file,
- BYTE_ORDER_BIG_ENDIAN) :
+ checkLevelElement(level->encoding_16bit_field ?
+ getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN) :
fgetc(file));
+ return chunk_size;
}
-static void LoadLevel_BODY(struct LevelInfo *level, FILE *file)
+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;
- /* now read in the valid level fields from level file */
- for(y=0; y<lev_fieldy; y++)
- for(x=0; x<lev_fieldx; x++)
+ 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++)
Feld[x][y] = Ur[x][y] =
- checkLevelElement(level->encoding_16bit ?
+ checkLevelElement(level->encoding_16bit_field ?
getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN) :
fgetc(file));
+ return chunk_size;
}
-void LoadLevel(int level_nr)
+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(getFile16BitInteger(file,BYTE_ORDER_BIG_ENDIAN));
+ 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; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ content_array[i][x][y] =
+ checkLevelElement(getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN));
+
+ /* 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_MAMPFER)
+ {
+ level->num_yam_contents = num_contents;
+
+ for(i=0; i<num_contents; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ level->yam_content[i][x][y] = content_array[i][x][y];
+ }
+ else if (element == EL_AMOEBE_BD)
+ {
+ level->amoeba_content = content_array[0][0][0];
+ }
+ else
+ {
+ Error(ERR_WARN, "cannot load content for element '%d'", element);
+ }
+
+ return chunk_size;
+}
+
+void LoadLevel(int level_nr)
{
char *filename = getLevelFilename(level_nr);
char cookie[MAX_LINE_LEN];
- char chunk[CHUNK_ID_LEN + 1];
- int chunk_length;
+ char chunk_name[CHUNK_ID_LEN + 1];
+ int chunk_size;
FILE *file;
/* always start with reliable default values */
return;
}
- /* check file identifier */
- fgets(cookie, MAX_LINE_LEN, file);
- if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
- cookie[strlen(cookie) - 1] = '\0';
-
- if (!checkCookieString(cookie, LEVEL_COOKIE)) /* unknown file format */
+ getFileChunk(file, chunk_name, NULL, BYTE_ORDER_BIG_ENDIAN);
+ if (strcmp(chunk_name, "RND1") == 0)
{
- Error(ERR_WARN, "unknown format of level file '%s'", filename);
- fclose(file);
- return;
- }
+ getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN); /* not used */
- if ((level.file_version = getFileVersionFromCookieString(cookie)) == -1)
+ getFileChunk(file, chunk_name, NULL, BYTE_ORDER_BIG_ENDIAN);
+ 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 */
{
- Error(ERR_WARN, "unsupported version of level file '%s'", filename);
- fclose(file);
- return;
+ 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;
+ }
}
if (level.file_version < FILE_VERSION_1_2)
{
/* level files from versions before 1.2.0 without chunk structure */
- LoadLevel_HEAD(&level, file);
- LoadLevel_BODY(&level, file);
+ LoadLevel_HEAD(file, LEVEL_HEADER_SIZE, &level);
+ LoadLevel_BODY(file, level.fieldx * level.fieldy, &level);
}
else
{
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- if (strcmp(chunk, "HEAD") || chunk_length != LEVEL_HEADER_SIZE)
+ static struct
{
- Error(ERR_WARN, "wrong 'HEAD' chunk of level file '%s'", filename);
- fclose(file);
- return;
+ char *name;
+ int size;
+ int (*loader)(FILE *, int, struct LevelInfo *);
}
-
- LoadLevel_HEAD(&level, file);
-
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
-
- /* look for optional author chunk */
- if (strcmp(chunk, "AUTH") == 0 && chunk_length == MAX_LEVEL_AUTHOR_LEN)
+ chunk_info[] =
{
- LoadLevel_AUTH(&level, file);
-
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- }
-
- /* look for optional content chunk */
- if (strcmp(chunk, "CONT") == 0 &&
- chunk_length == 4 + MAX_ELEMENT_CONTENTS * 3 * 3)
+ { "VERS", FILE_VERS_CHUNK_SIZE, LoadLevel_VERS },
+ { "HEAD", LEVEL_HEADER_SIZE, LoadLevel_HEAD },
+ { "AUTH", MAX_LEVEL_AUTHOR_LEN, LoadLevel_AUTH },
+ { "CONT", -1, LoadLevel_CONT },
+ { "BODY", -1, LoadLevel_BODY },
+ { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 },
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_BIG_ENDIAN))
{
- LoadLevel_CONT(&level, file);
+ int i = 0;
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- }
+ while (chunk_info[i].name != NULL &&
+ strcmp(chunk_name, chunk_info[i].name) != 0)
+ i++;
- /* next check body chunk identifier and chunk length */
- if (strcmp(chunk, "BODY") != 0 || chunk_length != lev_fieldx * lev_fieldy)
- {
- Error(ERR_WARN, "wrong 'BODY' chunk of level file '%s'", filename);
- fclose(file);
- return;
+ 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);
+ }
+ }
}
-
- LoadLevel_BODY(&level, file);
}
fclose(file);
SetBorderElement();
}
-void SaveLevel(int level_nr)
+static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
{
int i, x, y;
- char *filename = getLevelFilename(level_nr);
-#if 0
- boolean encoding_16bit_amoeba = FALSE;
- boolean encoding_16bit_yamyam = FALSE;
-#endif
- boolean encoding_16bit = FALSE; /* default: only 8-bit elements */
- char *oldest_possible_cookie;
- FILE *file;
- if (!(file = fopen(filename, MODE_WRITE)))
- {
- Error(ERR_WARN, "cannot save level file '%s'", filename);
- return;
- }
+ fputc(level->fieldx, file);
+ fputc(level->fieldy, file);
- /* check yam content for 16-bit elements */
- for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
- for(y=0; y<3; y++)
- for(x=0; x<3; x++)
- if (level.yam_content[i][x][y] > 255)
- encoding_16bit = TRUE;
-
- /* check level field for 16-bit elements */
- for(y=0; y<lev_fieldy; y++)
- for(x=0; x<lev_fieldx; x++)
- if (Ur[x][y] > 255)
- encoding_16bit = TRUE;
-
- oldest_possible_cookie = (encoding_16bit ? LEVEL_COOKIE : LEVEL_COOKIE_12);
-
- fputs(oldest_possible_cookie, file); /* file identifier */
- fputc('\n', file);
-
- putFileChunk(file, "HEAD", LEVEL_HEADER_SIZE, BYTE_ORDER_BIG_ENDIAN);
-
- fputc(level.fieldx, file);
- fputc(level.fieldy, file);
-
- putFile16BitInteger(file, level.time, BYTE_ORDER_BIG_ENDIAN);
- putFile16BitInteger(file, level.gems_needed, BYTE_ORDER_BIG_ENDIAN);
+ putFile16BitInteger(file, level->time, BYTE_ORDER_BIG_ENDIAN);
+ putFile16BitInteger(file, level->gems_needed, BYTE_ORDER_BIG_ENDIAN);
for(i=0; i<MAX_LEVEL_NAME_LEN; i++)
- fputc(level.name[i], file);
+ fputc(level->name[i], file);
+
for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
- fputc(level.score[i], file);
+ fputc(level->score[i], file);
+
for(i=0; i<STD_ELEMENT_CONTENTS; i++)
for(y=0; y<3; y++)
for(x=0; x<3; x++)
- fputc(encoding_16bit ? EL_LEERRAUM : 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.amoeba_content, file);
- fputc((level.double_speed ? 1 : 0), file);
- fputc((level.gravity ? 1 : 0), file);
-
- fputc((encoding_16bit ? 1 : 0), file);
-
- for(i=0; i<LEVEL_HEADER_UNUSED; i++) /* set unused header bytes to zero */
- fputc(0, file);
+ fputc((level->encoding_16bit_yamyam ? EL_LEERRAUM :
+ 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_LEERRAUM : 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);
+
+ WriteUnusedBytesToFile(file, LEVEL_HEADER_UNUSED);
+}
- putFileChunk(file, "AUTH", MAX_LEVEL_AUTHOR_LEN, BYTE_ORDER_BIG_ENDIAN);
+static void SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
+{
+ int i;
for(i=0; i<MAX_LEVEL_AUTHOR_LEN; i++)
- fputc(level.author[i], file);
+ fputc(level->author[i], file);
+}
- putFileChunk(file, "CONT", 4 + MAX_ELEMENT_CONTENTS * 3 * 3,
- BYTE_ORDER_BIG_ENDIAN);
+#if 0
+static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
+{
+ int i, x, y;
fputc(EL_MAMPFER, file);
- fputc(level.num_yam_contents, file);
+ fputc(level->num_yam_contents, file);
fputc(0, file);
fputc(0, file);
for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
for(y=0; y<3; y++)
for(x=0; x<3; x++)
- if (encoding_16bit)
- putFile16BitInteger(file, level.yam_content[i][x][y],
+ if (level->encoding_16bit_field)
+ putFile16BitInteger(file, level->yam_content[i][x][y],
BYTE_ORDER_BIG_ENDIAN);
else
- fputc(level.yam_content[i][x][y], file);
+ fputc(level->yam_content[i][x][y], file);
+}
+#endif
- putFileChunk(file, "BODY", lev_fieldx * lev_fieldy, BYTE_ORDER_BIG_ENDIAN);
+static void SaveLevel_BODY(FILE *file, struct LevelInfo *level)
+{
+ int x, y;
for(y=0; y<lev_fieldy; y++)
for(x=0; x<lev_fieldx; x++)
- if (encoding_16bit)
+ if (level->encoding_16bit_field)
putFile16BitInteger(file, Ur[x][y], BYTE_ORDER_BIG_ENDIAN);
else
fputc(Ur[x][y], file);
+}
- fclose(file);
+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];
- chmod(filename, LEVEL_PERMS);
+ if (element == EL_MAMPFER)
+ {
+ num_contents = level->num_yam_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->yam_content[i][x][y];
+ }
+ else if (element == EL_AMOEBE_BD)
+ {
+ 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_LEERRAUM;
+ 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;
+ }
+
+ putFile16BitInteger(file, element, BYTE_ORDER_BIG_ENDIAN);
+ fputc(num_contents, file);
+ fputc(content_xsize, file);
+ fputc(content_ysize, file);
+
+ 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++)
+ putFile16BitInteger(file, content_array[i][x][y],
+ BYTE_ORDER_BIG_ENDIAN);
}
-void LoadTape(int level_nr)
+void SaveLevel(int level_nr)
{
- int i, j;
- char *filename = getTapeFilename(level_nr);
- char cookie[MAX_LINE_LEN];
- char chunk[CHUNK_ID_LEN + 1];
+ int i, x, y;
+ char *filename = getLevelFilename(level_nr);
+ int body_chunk_size;
FILE *file;
- int num_participating_players;
- int file_version = FILE_VERSION_ACTUAL; /* last version of tape files */
- int chunk_length;
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot save level file '%s'", filename);
+ return;
+ }
+
+ /* check level field for 16-bit elements */
+ for(y=0; y<level.fieldy; y++)
+ for(x=0; x<level.fieldx; x++)
+ if (Ur[x][y] > 255)
+ level.encoding_16bit_field = TRUE;
+
+ /* check yamyam content for 16-bit elements */
+ for(i=0; i<level.num_yam_contents; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ if (level.yam_content[i][x][y] > 255)
+ level.encoding_16bit_yamyam = TRUE;
+
+ /* check amoeba content for 16-bit elements */
+ if (level.amoeba_content > 255)
+ level.encoding_16bit_amoeba = TRUE;
+
+ body_chunk_size =
+ level.fieldx * level.fieldy * (level.encoding_16bit_field ? 2 : 1);
+
+ putFileChunk(file, "RND1", CHUNK_SIZE_UNDEFINED, BYTE_ORDER_BIG_ENDIAN);
+ putFileChunk(file, "CAVE", CHUNK_SIZE_NONE, BYTE_ORDER_BIG_ENDIAN);
+
+ putFileChunk(file, "VERS", FILE_VERS_CHUNK_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ WriteChunk_VERS(file, FILE_VERSION_ACTUAL, GAME_VERSION_ACTUAL);
+
+ putFileChunk(file, "HEAD", LEVEL_HEADER_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_HEAD(file, &level);
+
+ putFileChunk(file, "AUTH", MAX_LEVEL_AUTHOR_LEN, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_AUTH(file, &level);
+
+ putFileChunk(file, "BODY", body_chunk_size, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_BODY(file, &level);
+
+ if (level.encoding_16bit_yamyam ||
+ level.num_yam_contents != STD_ELEMENT_CONTENTS)
+ {
+ putFileChunk(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_CNT2(file, &level, EL_MAMPFER);
+ }
+
+ if (level.encoding_16bit_amoeba)
+ {
+ putFileChunk(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveLevel_CNT2(file, &level, EL_AMOEBE_BD);
+ }
+
+ fclose(file);
+
+ SetFilePermissions_Level(filename);
+}
+
+static void setTapeInfoToDefaults()
+{
+ int i;
/* always start with reliable default values (empty tape) */
tape.file_version = FILE_VERSION_ACTUAL;
tape.player_participates[i] = FALSE;
/* at least one (default: the first) player participates in every tape */
- num_participating_players = 1;
+ tape.num_participating_players = 1;
- if (!(file = fopen(filename, MODE_READ)))
- return;
-
- /* check file identifier */
- fgets(cookie, MAX_LINE_LEN, file);
- if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
- cookie[strlen(cookie) - 1] = '\0';
+ tape.level_nr = level_nr;
+ tape.counter = 0;
+ tape.changed = FALSE;
-#if 0
- if (strcmp(cookie, TAPE_COOKIE_10) == 0) /* old 1.0 tape format */
- file_version = FILE_VERSION_1_0;
- else if (strcmp(cookie, TAPE_COOKIE) != 0) /* unknown tape format */
- {
- Error(ERR_WARN, "wrong file identifier of tape file '%s'", filename);
- fclose(file);
- return;
- }
-#else
- if (!checkCookieString(cookie, TAPE_COOKIE)) /* unknown file format */
- {
- Error(ERR_WARN, "unknown format of tape file '%s'", filename);
- fclose(file);
- return;
- }
+ tape.recording = FALSE;
+ tape.playing = FALSE;
+ tape.pausing = FALSE;
+}
- file_version = getFileVersionFromCookieString(cookie);
-#endif
+static int LoadTape_VERS(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ ReadChunk_VERS(file, &(tape->file_version), &(tape->game_version));
- tape.file_version = file_version;
- tape.game_version = file_version;
+ return chunk_size;
+}
- /* read chunk "HEAD" */
- if (file_version >= FILE_VERSION_1_2)
- {
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- if (strcmp(chunk, "HEAD") || chunk_length != TAPE_HEADER_SIZE)
- {
- Error(ERR_WARN, "wrong 'HEAD' chunk of tape file '%s'", filename);
- fclose(file);
- return;
- }
- }
+static int LoadTape_HEAD(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ int i;
- tape.random_seed = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
- tape.date = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
- tape.length = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
+ tape->random_seed = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
+ tape->date = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
+ tape->length = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
/* read header fields that are new since version 1.2 */
- if (file_version >= FILE_VERSION_1_2)
+ if (tape->file_version >= FILE_VERSION_1_2)
{
byte store_participating_players = fgetc(file);
- for(i=0; i<TAPE_HEADER_UNUSED; i++) /* skip unused header bytes */
- fgetc(file);
+ ReadUnusedBytesFromFile(file, TAPE_HEADER_UNUSED);
/* since version 1.2, tapes store which players participate in the tape */
- num_participating_players = 0;
+ tape->num_participating_players = 0;
for(i=0; i<MAX_PLAYERS; i++)
{
- tape.player_participates[i] = FALSE;
+ tape->player_participates[i] = FALSE;
if (store_participating_players & (1 << i))
{
- tape.player_participates[i] = TRUE;
- num_participating_players++;
+ tape->player_participates[i] = TRUE;
+ tape->num_participating_players++;
}
}
}
- tape.level_nr = level_nr;
- tape.counter = 0;
- tape.changed = FALSE;
+ return chunk_size;
+}
- tape.recording = FALSE;
- tape.playing = FALSE;
- tape.pausing = FALSE;
+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;
- /* read chunk "BODY" */
- if (file_version >= FILE_VERSION_1_2)
+ if (chunk_size_expected != chunk_size)
{
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
- if (strcmp(chunk, "BODY") ||
- chunk_length != (num_participating_players + 1) * tape.length)
- {
- Error(ERR_WARN, "wrong 'BODY' chunk of tape file '%s'", filename);
- fclose(file);
- return;
- }
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
}
- for(i=0; i<tape.length; i++)
+ for(i=0; i<tape->length; i++)
{
if (i >= MAX_TAPELEN)
break;
for(j=0; j<MAX_PLAYERS; j++)
{
- tape.pos[i].action[j] = MV_NO_MOVING;
+ tape->pos[i].action[j] = MV_NO_MOVING;
- if (tape.player_participates[j])
- tape.pos[i].action[j] = fgetc(file);
+ if (tape->player_participates[j])
+ tape->pos[i].action[j] = fgetc(file);
}
- tape.pos[i].delay = fgetc(file);
+ tape->pos[i].delay = fgetc(file);
- if (file_version == FILE_VERSION_1_0)
+ 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];
+ 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];
+ tape->pos[i + num_moves].action[0] = joy_dir[k];
if (num_moves > 0)
- tape.pos[i + num_moves].delay = 0;
+ tape->pos[i + num_moves].delay = 0;
num_moves++;
}
}
{
num_moves--;
i += num_moves;
- tape.length += num_moves;
+ tape->length += num_moves;
+ }
+ }
+ else if (tape->file_version < FILE_VERSION_2_0)
+ {
+ 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++;
}
}
break;
}
- fclose(file);
+ if (i != tape->length)
+ chunk_size = (tape->num_participating_players + 1) * i;
+
+ return chunk_size;
+}
+
+void LoadTape(int level_nr)
+{
+ char *filename = getTapeFilename(level_nr);
+ 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;
+
+ getFileChunk(file, chunk_name, NULL, BYTE_ORDER_BIG_ENDIAN);
+ if (strcmp(chunk_name, "RND1") == 0)
+ {
+ getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN); /* not used */
+
+ getFileChunk(file, chunk_name, NULL, BYTE_ORDER_BIG_ENDIAN);
+ 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 ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ Error(ERR_WARN, "unsupported version of tape file '%s'", filename);
+ fclose(file);
+ return;
+ }
+ }
+
+ 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 },
+ { "BODY", -1, LoadTape_BODY },
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_BIG_ENDIAN))
+ {
+ int i = 0;
- if (i != tape.length)
- Error(ERR_WARN, "level recording file '%s' corrupted", filename);
+ 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();
}
+static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
+{
+ int i;
+ byte store_participating_players = 0;
+
+ /* 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);
+
+ putFile32BitInteger(file, tape->random_seed, BYTE_ORDER_BIG_ENDIAN);
+ putFile32BitInteger(file, tape->date, BYTE_ORDER_BIG_ENDIAN);
+ putFile32BitInteger(file, tape->length, BYTE_ORDER_BIG_ENDIAN);
+
+ fputc(store_participating_players, file);
+
+ WriteUnusedBytesToFile(file, TAPE_HEADER_UNUSED);
+}
+
+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])
+ fputc(tape->pos[i].action[j], file);
+
+ fputc(tape->pos[i].delay, file);
+ }
+}
+
void SaveTape(int level_nr)
{
int i;
char *filename = getTapeFilename(level_nr);
FILE *file;
boolean new_tape = TRUE;
- byte store_participating_players;
- int num_participating_players;
+ int num_participating_players = 0;
+ int body_chunk_size;
InitTapeDirectory(leveldir_current->filename);
return;
}
- /* count number of players and set corresponding bits for compact storage */
- store_participating_players = 0;
- num_participating_players = 0;
- for(i=0; i<MAX_PLAYERS; i++)
- {
- if (tape.player_participates[i])
- {
- num_participating_players++;
- store_participating_players |= (1 << i);
- }
- }
-
if (!(file = fopen(filename, MODE_WRITE)))
{
Error(ERR_WARN, "cannot save level recording file '%s'", filename);
return;
}
- fputs(TAPE_COOKIE, file); /* file identifier */
- fputc('\n', file);
+ /* count number of participating players */
+ for(i=0; i<MAX_PLAYERS; i++)
+ if (tape.player_participates[i])
+ num_participating_players++;
+
+ body_chunk_size = (num_participating_players + 1) * tape.length;
+
+ putFileChunk(file, "RND1", CHUNK_SIZE_UNDEFINED, BYTE_ORDER_BIG_ENDIAN);
+ putFileChunk(file, "TAPE", CHUNK_SIZE_NONE, BYTE_ORDER_BIG_ENDIAN);
+
+ putFileChunk(file, "VERS", FILE_VERS_CHUNK_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ WriteChunk_VERS(file, FILE_VERSION_ACTUAL, GAME_VERSION_ACTUAL);
putFileChunk(file, "HEAD", TAPE_HEADER_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveTape_HEAD(file, &tape);
- putFile32BitInteger(file, tape.random_seed, BYTE_ORDER_BIG_ENDIAN);
- putFile32BitInteger(file, tape.date, BYTE_ORDER_BIG_ENDIAN);
- putFile32BitInteger(file, tape.length, BYTE_ORDER_BIG_ENDIAN);
+ putFileChunk(file, "BODY", body_chunk_size, BYTE_ORDER_BIG_ENDIAN);
+ SaveTape_BODY(file, &tape);
- fputc(store_participating_players, file);
+ fclose(file);
- for(i=0; i<TAPE_HEADER_UNUSED; i++) /* set unused header bytes to zero */
- fputc(0, file);
+ SetFilePermissions_Tape(filename);
- putFileChunk(file, "BODY", (num_participating_players + 1) * tape.length,
- BYTE_ORDER_BIG_ENDIAN);
+ tape.changed = FALSE;
- for(i=0; i<tape.length; i++)
- {
- int j;
+ if (new_tape)
+ Request("tape saved !", REQ_CONFIRM);
+}
- for(j=0; j<MAX_PLAYERS; j++)
- if (tape.player_participates[j])
- fputc(tape.pos[i].action[j], file);
+void DumpTape(struct TapeInfo *tape)
+{
+ int i, j;
- fputc(tape.pos[i].delay, file);
+ if (TAPE_IS_EMPTY(*tape))
+ {
+ Error(ERR_WARN, "no tape available for level %d", tape->level_nr);
+ return;
}
- fclose(file);
+ printf("\n");
+ printf("-------------------------------------------------------------------------------\n");
+ printf("Tape of Level %d (file version %06d, game version %06d\n",
+ tape->level_nr, tape->file_version, tape->game_version);
+ printf("-------------------------------------------------------------------------------\n");
- chmod(filename, TAPE_PERMS);
+ for(i=0; i<tape->length; i++)
+ {
+ if (i >= MAX_TAPELEN)
+ break;
- tape.changed = FALSE;
+ for(j=0; j<MAX_PLAYERS; j++)
+ {
+ if (tape->player_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' : ' '));
+ }
+ }
- if (new_tape)
- Request("tape saved !", REQ_CONFIRM);
+ printf("(%03d)\n", tape->pos[i].delay);
+ }
+
+ printf("-------------------------------------------------------------------------------\n");
}
void LoadScore(int level_nr)
if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
cookie[strlen(cookie) - 1] = '\0';
-#if 0
- if (strcmp(cookie, SCORE_COOKIE) != 0)
- {
- Error(ERR_WARN, "wrong file identifier of score file '%s'", filename);
- fclose(file);
- return;
- }
-#else
- if (!checkCookieString(cookie, SCORE_COOKIE)) /* unknown file format */
+ if (!checkCookieString(cookie, SCORE_COOKIE))
{
Error(ERR_WARN, "unknown format of score file '%s'", filename);
fclose(file);
return;
}
-#endif
for(i=0; i<MAX_SCORE_ENTRIES; i++)
{
fclose(file);
- chmod(filename, SCORE_PERMS);
+ SetFilePermissions_Score(filename);
}
#define TOKEN_STR_FILE_IDENTIFIER "file_identifier"
#define SETUP_TOKEN_SOUND_LOOPS 2
#define SETUP_TOKEN_SOUND_MUSIC 3
#define SETUP_TOKEN_SOUND_SIMPLE 4
-
-#if 0
-#define SETUP_TOKEN_TOONS 5
-#define SETUP_TOKEN_DOUBLE_BUFFERING 6
-#endif
-
#define SETUP_TOKEN_SCROLL_DELAY 5
#define SETUP_TOKEN_SOFT_SCROLLING 6
#define SETUP_TOKEN_FADING 7
{ TYPE_SWITCH, &si.sound_loops, "repeating_sound_loops" },
{ TYPE_SWITCH, &si.sound_music, "background_music" },
{ TYPE_SWITCH, &si.sound_simple, "simple_sound_effects" },
-
-#if 0
- { TYPE_SWITCH, &si.toons, "toons" },
- { TYPE_SWITCH, &si.double_buffering, "double_buffering" },
-#endif
-
{ TYPE_SWITCH, &si.scroll_delay, "scroll_delay" },
{ TYPE_SWITCH, &si.soft_scrolling, "soft_scrolling" },
{ TYPE_SWITCH, &si.fading, "screen_fading" },
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
+ SetFilePermissions_Setup(filename);
}
void LoadSetup()
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
+ SetFilePermissions_Setup(filename);
}
void LoadLevelSetup_LastSeries()
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
+ SetFilePermissions_Setup(filename);
}
static void checkSeriesInfo()
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
+ SetFilePermissions_Setup(filename);
}
-/* LocalWords: Rocks'n
- */