/***********************************************************
-* 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) 1995-2001 Artsoft Entertainment *
+* Holger Schemel *
+* Detmolder Strasse 189 *
+* 33604 Bielefeld *
+* Germany *
+* e-mail: info@artsoft.org *
*----------------------------------------------------------*
-* files.h *
+* files.c *
***********************************************************/
#include <ctype.h>
#include <dirent.h>
#include <sys/stat.h>
+#include "libgame/libgame.h"
+
#include "files.h"
#include "tools.h"
-#include "misc.h"
#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 */
-#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) */
+#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_1.4"
+#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 TAPE_COOKIE_10 "ROCKSNDIAMONDS_LEVELREC_FILE_VERSION_1.0"
/* file names and filename extensions */
-#ifndef MSDOS
-#define USERDATA_DIRECTORY ".rocksndiamonds"
+#if !defined(PLATFORM_MSDOS)
#define LEVELSETUP_DIRECTORY "levelsetup"
#define SETUP_FILENAME "setup.conf"
#define LEVELSETUP_FILENAME "levelsetup.conf"
#define TAPEFILE_EXTENSION "tape"
#define SCOREFILE_EXTENSION "score"
#else
-#define USERDATA_DIRECTORY "userdata"
#define LEVELSETUP_DIRECTORY "lvlsetup"
#define SETUP_FILENAME "setup.cnf"
#define LEVELSETUP_FILENAME "lvlsetup.cnf"
#define SCOREFILE_EXTENSION "sco"
#endif
-#if defined(MSDOS) || defined(WIN32)
-#define ERROR_FILENAME "error.out"
-#endif
-
-#ifdef 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
-
-/* 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 USERDATA_DIR_MODE (MODE_R_ALL | MODE_X_ALL | S_IWUSR)
-#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
static void SaveUserLevelInfo(); /* for 'InitUserLevelDir()' */
static char *getSetupLine(char *, int); /* for 'SaveUserLevelInfo()' */
-char *getUserDataDir()
-{
- static char *userdata_dir = NULL;
-
- if (!userdata_dir)
- {
- char *home_dir = getHomeDir();
- char *data_dir = USERDATA_DIRECTORY;
-
- userdata_dir = getPath2(home_dir, data_dir);
- }
-
- return userdata_dir;
-}
-
-static char *getSetupDir()
-{
- return getUserDataDir();
-}
-
static char *getUserLevelDir(char *level_subdir)
{
static char *userlevel_dir = NULL;
return filename;
}
-static void createDirectory(char *dir, char *text)
-{
- if (access(dir, F_OK) != 0)
-#ifdef WIN32
- if (mkdir(dir) != 0)
-#else
- if (mkdir(dir, USERDATA_DIR_MODE) != 0)
-#endif
- Error(ERR_WARN, "cannot create %s directory '%s'", text, dir);
-}
-
-static void InitUserDataDirectory()
-{
- createDirectory(getUserDataDir(), "user data");
-}
-
static void InitTapeDirectory(char *level_subdir)
{
- createDirectory(getUserDataDir(), "user data");
- createDirectory(getTapeDir(""), "main tape");
- createDirectory(getTapeDir(level_subdir), "level tape");
+ createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
+ createDirectory(getTapeDir(""), "main tape", PERMS_PRIVATE);
+ createDirectory(getTapeDir(level_subdir), "level tape", PERMS_PRIVATE);
}
static void InitScoreDirectory(char *level_subdir)
{
- createDirectory(getScoreDir(""), "main score");
- createDirectory(getScoreDir(level_subdir), "level score");
+ createDirectory(getScoreDir(""), "main score", PERMS_PUBLIC);
+ createDirectory(getScoreDir(level_subdir), "level score", PERMS_PUBLIC);
}
static void InitUserLevelDirectory(char *level_subdir)
{
if (access(getUserLevelDir(level_subdir), F_OK) != 0)
{
- createDirectory(getUserDataDir(), "user data");
- createDirectory(getUserLevelDir(""), "main user level");
- createDirectory(getUserLevelDir(level_subdir), "user level");
+ createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
+ createDirectory(getUserLevelDir(""), "main user level", PERMS_PRIVATE);
+ createDirectory(getUserLevelDir(level_subdir), "user level",PERMS_PRIVATE);
SaveUserLevelInfo();
}
static void InitLevelSetupDirectory(char *level_subdir)
{
- createDirectory(getUserDataDir(), "user data");
- createDirectory(getLevelSetupDir(""), "main level setup");
- createDirectory(getLevelSetupDir(level_subdir), "level setup");
+ createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
+ createDirectory(getLevelSetupDir(""), "main level setup", PERMS_PRIVATE);
+ createDirectory(getLevelSetupDir(level_subdir), "level setup",PERMS_PRIVATE);
+}
+
+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 void setLevelInfoToDefaults()
{
int i, 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(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 LoadLevel(int level_nr)
+static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ ReadChunk_VERS(file, &(level->file_version), &(level->game_version));
+
+ return chunk_size;
+}
+
+static int LoadLevel_HEAD(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_1_4; /* last version of level files */
- int chunk_length;
- FILE *file;
- /* always start with reliable default values */
- setLevelInfoToDefaults();
+ lev_fieldx = level->fieldx = fgetc(file);
+ lev_fieldy = level->fieldy = fgetc(file);
- if (!(file = fopen(filename, "r")))
- {
- Error(ERR_WARN, "cannot read level '%s' - creating new level", filename);
- return;
- }
+ level->time = getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
+ level->gems_needed = getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
- /* check file identifier */
- fgets(cookie, MAX_LINE_LEN, file);
- if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
- cookie[strlen(cookie) - 1] = '\0';
+ 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);
- 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 */
+ level->num_yam_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->yam_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);
+
+ 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] = fgetc(file);
+ level->author[MAX_LEVEL_NAME_LEN] = 0;
+
+ 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)
{
- Error(ERR_WARN, "wrong file identifier of level file '%s'", filename);
- fclose(file);
- return;
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
}
- /* read chunk "HEAD" */
- if (file_version >= FILE_VERSION_1_2)
+ 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; 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_field ?
+ getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN) :
+ fgetc(file));
+ 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)
{
- 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;
- }
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
}
- 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(y=0; y<level->fieldy; y++)
+ for(x=0; x<level->fieldx; x++)
+ Feld[x][y] = Ur[x][y] =
+ checkLevelElement(level->encoding_16bit_field ?
+ getFile16BitInteger(file, BYTE_ORDER_BIG_ENDIAN) :
+ fgetc(file));
+ return chunk_size;
+}
- for(i=0; i<MAX_LEVEL_NAME_LEN; i++)
- level.name[i] = fgetc(file);
- level.name[MAX_LEVEL_NAME_LEN] = 0;
+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];
- for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
- level.score[i] = fgetc(file);
+ 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);
- 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;
- }
- }
+ 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);
}
- 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);
+ return chunk_size;
+}
- encoding_16bit = (fgetc(file) == 1 ? TRUE : FALSE);
+void LoadLevel(int level_nr)
+{
+ char *filename = getLevelFilename(level_nr);
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ int chunk_size;
+ FILE *file;
- for(i=0; i<LEVEL_HEADER_UNUSED; i++) /* skip unused header bytes */
- fgetc(file);
+ /* always start with reliable default values */
+ setLevelInfoToDefaults();
- if (file_version >= FILE_VERSION_1_2)
+ if (!(file = fopen(filename, MODE_READ)))
{
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
+ Error(ERR_WARN, "cannot read level '%s' - creating new level", filename);
+ return;
+ }
- /* 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_name, NULL, BYTE_ORDER_BIG_ENDIAN);
+ if (strcmp(chunk_name, "RND1") == 0)
+ {
+ getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN); /* not used */
- getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_BIG_ENDIAN);
+ 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 */
+ {
+ 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';
- /* look for optional content chunk */
- if (strcmp(chunk, "CONT") == 0 &&
- chunk_length == 4 + MAX_ELEMENT_CONTENTS * 3 * 3)
+ if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
{
- 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);
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+ fclose(file);
+ return;
}
- /* next check body chunk identifier and chunk length */
- if (strcmp(chunk, "BODY") || chunk_length != lev_fieldx * lev_fieldy)
+ if ((level.file_version = getFileVersionFromCookieString(cookie)) == -1)
{
- Error(ERR_WARN, "wrong 'BODY' chunk of level file '%s'", filename);
+ Error(ERR_WARN, "unsupported version 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;
+ 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 },
+ { "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))
+ {
+ int i = 0;
- /* 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));
+ 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);
- /* player was faster than monsters in pre-1.0 levels */
- if (file_version == FILE_VERSION_1_0 &&
- IS_LEVELCLASS_CONTRIBUTION(leveldir_current))
+ 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 = level.file_version;
+
+ /* player was faster than monsters in pre-1.0 levels */
+ 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");
+ level.double_speed = TRUE;
+ }
+ }
+ else
{
- 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;
+ /* always use the latest version of the game engine for all but
+ user contributed and private levels */
+ level.game_version = GAME_VERSION_ACTUAL;
}
/* determine border element for this level */
SetBorderElement();
}
-void SaveLevel(int level_nr)
+static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
{
int i, x, y;
- char *filename = getLevelFilename(level_nr);
- boolean encoding_16bit = FALSE; /* default: maximal 256 elements */
- char *oldest_possible_cookie;
- FILE *file;
-
- if (!(file = fopen(filename, "w")))
- {
- Error(ERR_WARN, "cannot save level file '%s'", filename);
- return;
- }
-
- /* 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);
+ fputc(level->fieldx, file);
+ fputc(level->fieldy, file);
- 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)
+ for(y=0; y<level->fieldy; y++)
+ for(x=0; x<level->fieldx; x++)
+ 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];
+
+ if (element == EL_MAMPFER)
+ {
+ num_contents = level->num_yam_contents;
+ content_xsize = 3;
+ content_ysize = 3;
- chmod(filename, LEVEL_PERMS);
+ 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_1_2; /* 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 */
+ level.encoding_16bit_field = FALSE;
+ 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 */
+ level.encoding_16bit_yamyam = FALSE;
+ 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 */
+ level.encoding_16bit_amoeba = FALSE;
+ 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(filename, PERMS_PRIVATE);
+}
+
+static void setTapeInfoToDefaults()
+{
+ int i;
/* always start with reliable default values (empty tape) */
+ tape.file_version = FILE_VERSION_ACTUAL;
+ tape.game_version = GAME_VERSION_ACTUAL;
TapeErase();
/* default values (also for pre-1.2 tapes) with only the first player */
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, "r")))
- return;
+ 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 (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;
- }
+static int LoadTape_VERS(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ ReadChunk_VERS(file, &(tape->file_version), &(tape->game_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 != TAPE_HEADER_SIZE)
- {
- Error(ERR_WARN, "wrong 'HEAD' chunk of tape file '%s'", filename);
- fclose(file);
- return;
- }
- }
+ return chunk_size;
+}
+
+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;
-
- if (tape.player_participates[j])
- tape.pos[i].action[j] = fgetc(file);
+ tape->pos[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)
+ {
+ 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 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 }
+ };
- tape.pos[i].delay = fgetc(file);
-
- if (file_version == FILE_VERSION_1_0)
+ while (getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_BIG_ENDIAN))
{
- /* eliminate possible diagonal moves in old tapes */
- /* this is only for backward compatibility */
+ int i = 0;
- byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
- byte action = tape.pos[i].action[0];
- int k, num_moves = 0;
+ while (chunk_info[i].name != NULL &&
+ strcmp(chunk_name, chunk_info[i].name) != 0)
+ i++;
- for (k=0; k<4; k++)
+ if (chunk_info[i].name == NULL)
{
- if (action & joy_dir[k])
- {
- tape.pos[i + num_moves].action[0] = joy_dir[k];
- if (num_moves > 0)
- tape.pos[i + num_moves].delay = 0;
- num_moves++;
- }
+ Error(ERR_WARN, "unknown chunk '%s' in tape file '%s'",
+ chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
}
-
- if (num_moves > 1)
+ else if (chunk_info[i].size != -1 &&
+ chunk_info[i].size != chunk_size)
{
- num_moves--;
- i += num_moves;
- tape.length += num_moves;
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in tape file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ /* 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);
+ }
}
}
-
- if (feof(file))
- break;
}
fclose(file);
- if (i != tape.length)
- Error(ERR_WARN, "level recording file '%s' corrupted", filename);
-
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, "w")))
+ 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(filename, PERMS_PRIVATE);
- 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");
+
+ for(i=0; i<tape->length; i++)
+ {
+ if (i >= MAX_TAPELEN)
+ break;
- chmod(filename, TAPE_PERMS);
+ 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' : ' '));
+ }
+ }
- tape.changed = FALSE;
+ printf("(%03d)\n", tape->pos[i].delay);
+ }
- if (new_tape)
- Request("tape saved !", REQ_CONFIRM);
+ printf("-------------------------------------------------------------------------------\n");
}
void LoadScore(int level_nr)
highscore[i].Score = 0;
}
- if (!(file = fopen(filename, "r")))
+ if (!(file = fopen(filename, MODE_READ)))
return;
/* check file identifier */
if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
cookie[strlen(cookie) - 1] = '\0';
- if (strcmp(cookie, SCORE_COOKIE) != 0)
+ if (!checkCookieString(cookie, SCORE_COOKIE))
{
- Error(ERR_WARN, "wrong file identifier of score file '%s'", filename);
+ Error(ERR_WARN, "unknown format of score file '%s'", filename);
fclose(file);
return;
}
InitScoreDirectory(leveldir_current->filename);
- if (!(file = fopen(filename, "w")))
+ if (!(file = fopen(filename, MODE_WRITE)))
{
Error(ERR_WARN, "cannot save score for level %d", level_nr);
return;
fclose(file);
- chmod(filename, SCORE_PERMS);
+ SetFilePermissions(filename, PERMS_PUBLIC);
}
-#define TOKEN_STR_FILE_IDENTIFIER "file_identifier"
+/* ------------------------------------------------------------------------- */
+/* setup file stuff */
+/* ------------------------------------------------------------------------- */
+
#define TOKEN_STR_LAST_LEVEL_SERIES "last_level_series"
#define TOKEN_STR_LAST_PLAYED_LEVEL "last_played_level"
#define TOKEN_STR_HANDICAP_LEVEL "handicap_level"
#define TOKEN_STR_PLAYER_PREFIX "player_"
-#define TOKEN_VALUE_POSITION 30
-
/* global setup */
#define SETUP_TOKEN_PLAYER_NAME 0
#define SETUP_TOKEN_SOUND 1
#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
#define FIRST_LEVELINFO_TOKEN LEVELINFO_TOKEN_NAME
#define LAST_LEVELINFO_TOKEN LEVELINFO_TOKEN_READONLY
-#define TYPE_BOOLEAN 1
-#define TYPE_SWITCH 2
-#define TYPE_KEY 3
-#define TYPE_INTEGER 4
-#define TYPE_STRING 5
-
static struct SetupInfo si;
static struct SetupInputInfo sii;
static struct LevelDirInfo ldi;
-static struct
-{
- int type;
- void *value;
- char *text;
-} token_info[] =
+static struct TokenInfo token_info[] =
{
/* global setup */
{ TYPE_STRING, &si.player_name, "player_name" },
{ 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" },
{ TYPE_BOOLEAN, &ldi.readonly, "readonly" }
};
-static char *string_tolower(char *s)
-{
- static char s_lower[100];
- int i;
-
- if (strlen(s) >= 100)
- return s;
-
- strcpy(s_lower, s);
-
- for (i=0; i<strlen(s_lower); i++)
- s_lower[i] = tolower(s_lower[i]);
-
- return s_lower;
-}
-
-static int get_string_integer_value(char *s)
-{
- static char *number_text[][3] =
- {
- { "0", "zero", "null", },
- { "1", "one", "first" },
- { "2", "two", "second" },
- { "3", "three", "third" },
- { "4", "four", "fourth" },
- { "5", "five", "fifth" },
- { "6", "six", "sixth" },
- { "7", "seven", "seventh" },
- { "8", "eight", "eighth" },
- { "9", "nine", "ninth" },
- { "10", "ten", "tenth" },
- { "11", "eleven", "eleventh" },
- { "12", "twelve", "twelfth" },
- };
-
- int i, j;
-
- for (i=0; i<13; i++)
- for (j=0; j<3; j++)
- if (strcmp(string_tolower(s), number_text[i][j]) == 0)
- return i;
-
- return atoi(s);
-}
-
-static boolean get_string_boolean_value(char *s)
-{
- if (strcmp(string_tolower(s), "true") == 0 ||
- strcmp(string_tolower(s), "yes") == 0 ||
- strcmp(string_tolower(s), "on") == 0 ||
- get_string_integer_value(s) == 1)
- return TRUE;
- else
- return FALSE;
-}
-
-static char *getFormattedSetupEntry(char *token, char *value)
-{
- int i;
- static char entry[MAX_LINE_LEN];
-
- sprintf(entry, "%s:", token);
- for (i=strlen(entry); i<TOKEN_VALUE_POSITION; i++)
- entry[i] = ' ';
- entry[i] = '\0';
-
- strcat(entry, value);
-
- return entry;
-}
-
-static void freeSetupFileList(struct SetupFileList *setup_file_list)
-{
- if (!setup_file_list)
- return;
-
- if (setup_file_list->token)
- free(setup_file_list->token);
- if (setup_file_list->value)
- free(setup_file_list->value);
- if (setup_file_list->next)
- freeSetupFileList(setup_file_list->next);
- free(setup_file_list);
-}
-
-static struct SetupFileList *newSetupFileList(char *token, char *value)
-{
- struct SetupFileList *new = checked_malloc(sizeof(struct SetupFileList));
-
- new->token = checked_malloc(strlen(token) + 1);
- strcpy(new->token, token);
-
- new->value = checked_malloc(strlen(value) + 1);
- strcpy(new->value, value);
-
- new->next = NULL;
-
- return new;
-}
-
-static char *getTokenValue(struct SetupFileList *setup_file_list,
- char *token)
-{
- if (!setup_file_list)
- return NULL;
-
- if (strcmp(setup_file_list->token, token) == 0)
- return setup_file_list->value;
- else
- return getTokenValue(setup_file_list->next, token);
-}
-
-static void setTokenValue(struct SetupFileList *setup_file_list,
- char *token, char *value)
-{
- if (!setup_file_list)
- return;
-
- if (strcmp(setup_file_list->token, token) == 0)
- {
- free(setup_file_list->value);
- setup_file_list->value = checked_malloc(strlen(value) + 1);
- strcpy(setup_file_list->value, value);
- }
- else if (setup_file_list->next == NULL)
- setup_file_list->next = newSetupFileList(token, value);
- else
- setTokenValue(setup_file_list->next, token, value);
-}
-
-#ifdef DEBUG
-static void printSetupFileList(struct SetupFileList *setup_file_list)
-{
- if (!setup_file_list)
- return;
-
- printf("token: '%s'\n", setup_file_list->token);
- printf("value: '%s'\n", setup_file_list->value);
-
- printSetupFileList(setup_file_list->next);
-}
-#endif
-
-static struct SetupFileList *loadSetupFileList(char *filename)
-{
- int line_len;
- char line[MAX_LINE_LEN];
- char *token, *value, *line_ptr;
- struct SetupFileList *setup_file_list = newSetupFileList("", "");
- struct SetupFileList *first_valid_list_entry;
-
- FILE *file;
-
- if (!(file = fopen(filename, "r")))
- {
- Error(ERR_WARN, "cannot open configuration file '%s'", filename);
- return NULL;
- }
-
- while(!feof(file))
- {
- /* read next line of input file */
- if (!fgets(line, MAX_LINE_LEN, file))
- break;
-
- /* cut trailing comment or whitespace from input line */
- for (line_ptr = line; *line_ptr; line_ptr++)
- {
- if (*line_ptr == '#' || *line_ptr == '\n' || *line_ptr == '\r')
- {
- *line_ptr = '\0';
- break;
- }
- }
-
- /* 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';
-
- /* ignore empty lines */
- if (*line == '\0')
- continue;
-
- line_len = strlen(line);
-
- /* cut leading whitespaces from token */
- for (token = line; *token; token++)
- if (*token != ' ' && *token != '\t')
- break;
-
- /* find end of token */
- for (line_ptr = token; *line_ptr; line_ptr++)
- {
- if (*line_ptr == ' ' || *line_ptr == '\t' || *line_ptr == ':')
- {
- *line_ptr = '\0';
- break;
- }
- }
-
- if (line_ptr < line + line_len)
- value = line_ptr + 1;
- else
- value = "\0";
-
- /* cut leading whitespaces from value */
- for (; *value; value++)
- if (*value != ' ' && *value != '\t')
- break;
-
- if (*token && *value)
- setTokenValue(setup_file_list, token, value);
- }
-
- fclose(file);
-
- first_valid_list_entry = setup_file_list->next;
-
- /* free empty list header */
- setup_file_list->next = NULL;
- freeSetupFileList(setup_file_list);
-
- if (first_valid_list_entry == NULL)
- Error(ERR_WARN, "configuration file '%s' is empty", filename);
-
- return first_valid_list_entry;
-}
-
-static void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
- char *identifier)
-{
- if (!setup_file_list)
- return;
-
- if (strcmp(setup_file_list->token, TOKEN_STR_FILE_IDENTIFIER) == 0)
- {
- if (strcmp(setup_file_list->value, identifier) != 0)
- {
- Error(ERR_WARN, "configuration file has wrong version");
- return;
- }
- else
- return;
- }
-
- if (setup_file_list->next)
- checkSetupFileListIdentifier(setup_file_list->next, identifier);
- else
- {
- Error(ERR_WARN, "configuration file has no version information");
- return;
- }
-}
-
static void setLevelDirInfoToDefaults(struct LevelDirInfo *ldi)
{
ldi->filename = NULL;
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 : KEY_UNDEFINED);
- si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KEY_UNDEFINED);
- si->input[i].key.up = (i == 0 ? DEFAULT_KEY_UP : KEY_UNDEFINED);
- si->input[i].key.down = (i == 0 ? DEFAULT_KEY_DOWN : KEY_UNDEFINED);
- si->input[i].key.snap = (i == 0 ? DEFAULT_KEY_SNAP : KEY_UNDEFINED);
- si->input[i].key.bomb = (i == 0 ? DEFAULT_KEY_BOMB : KEY_UNDEFINED);
+ 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);
}
}
filename = getPath2(getUserLevelDir(getLoginName()), LEVELINFO_FILENAME);
- if (!(file = fopen(filename, "w")))
+ if (!(file = fopen(filename, MODE_WRITE)))
{
Error(ERR_WARN, "cannot write level info file '%s'", filename);
free(filename);
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
+ SetFilePermissions(filename, PERMS_PRIVATE);
}
void LoadSetup()
filename = getPath2(getSetupDir(), SETUP_FILENAME);
- if (!(file = fopen(filename, "w")))
+ if (!(file = fopen(filename, MODE_WRITE)))
{
Error(ERR_WARN, "cannot write setup file '%s'", filename);
free(filename);
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
+ SetFilePermissions(filename, PERMS_PRIVATE);
}
void LoadLevelSetup_LastSeries()
struct SetupFileList *level_setup_list = NULL;
/* always start with reliable default values */
- leveldir_current = leveldir_first;
+ leveldir_current = getFirstValidLevelSeries(leveldir_first);
/* ----------------------------------------------------------------------- */
/* ~/.rocksndiamonds/levelsetup.conf */
filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
- if (!(file = fopen(filename, "w")))
+ if (!(file = fopen(filename, MODE_WRITE)))
{
Error(ERR_WARN, "cannot write setup file '%s'", filename);
free(filename);
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
+ SetFilePermissions(filename, PERMS_PRIVATE);
}
static void checkSeriesInfo()
filename = getPath2(getLevelSetupDir(level_subdir), LEVELSETUP_FILENAME);
- if (!(file = fopen(filename, "w")))
+ if (!(file = fopen(filename, MODE_WRITE)))
{
Error(ERR_WARN, "cannot write setup file '%s'", filename);
free(filename);
fclose(file);
free(filename);
- chmod(filename, SETUP_PERMS);
-}
-
-#if defined(MSDOS) || defined(WIN32)
-void initErrorFile()
-{
- char *filename;
-
- InitUserDataDirectory();
-
- filename = getPath2(getUserDataDir(), ERROR_FILENAME);
- unlink(filename);
- free(filename);
-}
-
-FILE *openErrorFile()
-{
- char *filename;
- FILE *error_file;
-
- filename = getPath2(getUserDataDir(), ERROR_FILENAME);
- error_file = fopen(filename, "a");
- free(filename);
-
- return error_file;
-}
-
-void dumpErrorFile()
-{
- char *filename;
- FILE *error_file;
-
- filename = getPath2(getUserDataDir(), ERROR_FILENAME);
- error_file = fopen(filename, "r");
- free(filename);
-
- if (error_file != NULL)
- {
- while (!feof(error_file))
- fputc(fgetc(error_file), stderr);
-
- fclose(error_file);
- }
+ SetFilePermissions(filename, PERMS_PRIVATE);
}
-#endif
projects / rocksndiamonds.git / blobdiff