return element;
}
-static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level)
+#if 1
+
+static int LoadLevel_VERS(File *file, int chunk_size, struct LevelInfo *level)
{
level->file_version = getFileVersion(file);
level->game_version = getFileVersion(file);
return chunk_size;
}
-static int LoadLevel_DATE(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_DATE(File *file, int chunk_size, struct LevelInfo *level)
{
level->creation_date.year = getFile16BitBE(file);
level->creation_date.month = getFile8Bit(file);
return chunk_size;
}
-static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_HEAD(File *file, int chunk_size, struct LevelInfo *level)
{
int initial_player_stepsize;
int initial_player_gravity;
return chunk_size;
}
-static int LoadLevel_NAME(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_NAME(File *file, int chunk_size, struct LevelInfo *level)
{
int i;
return chunk_size;
}
-static int LoadLevel_AUTH(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_AUTH(File *file, int chunk_size, struct LevelInfo *level)
{
int i;
return chunk_size;
}
-static int LoadLevel_BODY(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_BODY(File *file, int chunk_size, struct LevelInfo *level)
{
int x, y;
int chunk_size_expected = level->fieldx * level->fieldy;
return chunk_size;
}
-static int LoadLevel_CONT(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CONT(File *file, int chunk_size, struct LevelInfo *level)
{
int i, x, y;
int header_size = 4;
return chunk_size;
}
-static int LoadLevel_CNT2(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CNT2(File *file, int chunk_size, struct LevelInfo *level)
{
int i, x, y;
int element;
return chunk_size;
}
-static int LoadLevel_CNT3(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CNT3(File *file, int chunk_size, struct LevelInfo *level)
{
int i;
int element;
return chunk_size;
}
-static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CUS1(File *file, int chunk_size, struct LevelInfo *level)
{
int num_changed_custom_elements = getFile16BitBE(file);
int chunk_size_expected = 2 + num_changed_custom_elements * 6;
return chunk_size;
}
-static int LoadLevel_CUS2(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CUS2(File *file, int chunk_size, struct LevelInfo *level)
{
int num_changed_custom_elements = getFile16BitBE(file);
int chunk_size_expected = 2 + num_changed_custom_elements * 4;
return chunk_size;
}
-static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CUS3(File *file, int chunk_size, struct LevelInfo *level)
{
int num_changed_custom_elements = getFile16BitBE(file);
int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
return chunk_size;
}
-static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CUS4(File *file, int chunk_size, struct LevelInfo *level)
{
struct ElementInfo *ei;
int chunk_size_expected;
return chunk_size;
}
-static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_GRP1(File *file, int chunk_size, struct LevelInfo *level)
{
struct ElementInfo *ei;
struct ElementGroupInfo *group;
return chunk_size;
}
-static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf,
+static int LoadLevel_MicroChunk(File *file, struct LevelFileConfigInfo *conf,
int element, int real_element)
{
int micro_chunk_size = 0;
return micro_chunk_size;
}
-static int LoadLevel_INFO(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_INFO(File *file, int chunk_size, struct LevelInfo *level)
{
int real_chunk_size = 0;
li = *level; /* copy level data into temporary buffer */
- while (!feof(file))
+ while (!checkEndOfFile(file))
{
real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1);
return real_chunk_size;
}
-static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CONF(File *file, int chunk_size, struct LevelInfo *level)
{
int real_chunk_size = 0;
li = *level; /* copy level data into temporary buffer */
- while (!feof(file))
+ while (!checkEndOfFile(file))
{
int element = getMappedElement(getFile16BitBE(file));
return real_chunk_size;
}
-static int LoadLevel_ELEM(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_ELEM(File *file, int chunk_size, struct LevelInfo *level)
{
int real_chunk_size = 0;
li = *level; /* copy level data into temporary buffer */
- while (!feof(file))
+ while (!checkEndOfFile(file))
{
int element = getMappedElement(getFile16BitBE(file));
return real_chunk_size;
}
-static int LoadLevel_NOTE(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_NOTE(File *file, int chunk_size, struct LevelInfo *level)
{
int element = getMappedElement(getFile16BitBE(file));
int envelope_nr = element - EL_ENVELOPE_1;
int real_chunk_size = 2;
- while (!feof(file))
+ while (!checkEndOfFile(file))
{
real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE,
-1, element);
return real_chunk_size;
}
-static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_CUSX(File *file, int chunk_size, struct LevelInfo *level)
{
int element = getMappedElement(getFile16BitBE(file));
int real_chunk_size = 2;
xx_ei.num_change_pages = -1;
- while (!feof(file))
+ while (!checkEndOfFile(file))
{
real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
-1, element);
/* start with reading properties for the first change page */
xx_current_change_page = 0;
- while (!feof(file))
+ while (!checkEndOfFile(file))
{
struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
return real_chunk_size;
}
-static int LoadLevel_GRPX(FILE *file, int chunk_size, struct LevelInfo *level)
+static int LoadLevel_GRPX(File *file, int chunk_size, struct LevelInfo *level)
{
int element = getMappedElement(getFile16BitBE(file));
int real_chunk_size = 2;
xx_ei = *ei; /* copy element data into temporary buffer */
xx_group = *group; /* copy group data into temporary buffer */
- while (!feof(file))
+ while (!checkEndOfFile(file))
{
real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX,
-1, element);
return real_chunk_size;
}
-static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
- struct LevelFileInfo *level_file_info,
- boolean level_info_only)
+#else
+
+static int LoadLevel_VERS(FILE *file, int chunk_size, struct LevelInfo *level)
{
- char *filename = level_file_info->filename;
- char cookie[MAX_LINE_LEN];
- char chunk_name[CHUNK_ID_LEN + 1];
- int chunk_size;
- FILE *file;
+ level->file_version = getFileVersion(file);
+ level->game_version = getFileVersion(file);
- if (!(file = fopen(filename, MODE_READ)))
- {
- level->no_valid_file = TRUE;
+ return chunk_size;
+}
-#if 1
- if (!level_info_only)
- Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
-#else
- if (level != &level_template)
- Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
-#endif
+static int LoadLevel_DATE(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ level->creation_date.year = getFile16BitBE(file);
+ level->creation_date.month = getFile8Bit(file);
+ level->creation_date.day = getFile8Bit(file);
- return;
- }
+ level->creation_date.src = DATE_SRC_LEVELFILE;
- getFileChunkBE(file, chunk_name, NULL);
- if (strEqual(chunk_name, "RND1"))
- {
- getFile32BitBE(file); /* not used */
+ return chunk_size;
+}
- getFileChunkBE(file, chunk_name, NULL);
- if (!strEqual(chunk_name, "CAVE"))
- {
- level->no_valid_file = TRUE;
+static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int initial_player_stepsize;
+ int initial_player_gravity;
+ int i, x, y;
- Error(ERR_WARN, "unknown format of level file '%s'", filename);
- fclose(file);
- return;
- }
- }
- else /* check for pre-2.0 file format with cookie string */
- {
- strcpy(cookie, chunk_name);
- if (fgets(&cookie[4], MAX_LINE_LEN - 4, file) == NULL)
- cookie[4] = '\0';
- if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
- cookie[strlen(cookie) - 1] = '\0';
+ level->fieldx = getFile8Bit(file);
+ level->fieldy = getFile8Bit(file);
- if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
- {
- level->no_valid_file = TRUE;
+ level->time = getFile16BitBE(file);
+ level->gems_needed = getFile16BitBE(file);
- Error(ERR_WARN, "unknown format of level file '%s'", filename);
- fclose(file);
- return;
- }
+ for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
+ level->name[i] = getFile8Bit(file);
+ level->name[MAX_LEVEL_NAME_LEN] = 0;
- if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
- {
- level->no_valid_file = TRUE;
+ for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
+ level->score[i] = getFile8Bit(file);
- Error(ERR_WARN, "unsupported version of level file '%s'", filename);
- fclose(file);
- return;
- }
+ level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
+ for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] = getMappedElement(getFile8Bit(file));
- /* pre-2.0 level files have no game version, so use file version here */
- level->game_version = level->file_version;
- }
+ level->amoeba_speed = getFile8Bit(file);
+ level->time_magic_wall = getFile8Bit(file);
+ level->time_wheel = getFile8Bit(file);
+ level->amoeba_content = getMappedElement(getFile8Bit(file));
- if (level->file_version < FILE_VERSION_1_2)
- {
- /* level files from versions before 1.2.0 without chunk structure */
- LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level);
- LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
- }
- else
- {
- static struct
- {
- char *name;
- int size;
- int (*loader)(FILE *, int, struct LevelInfo *);
- }
- chunk_info[] =
- {
- { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS },
- { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE },
- { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD },
- { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME },
- { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH },
- { "INFO", -1, LoadLevel_INFO },
- { "BODY", -1, LoadLevel_BODY },
- { "CONT", -1, LoadLevel_CONT },
- { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 },
- { "CNT3", -1, LoadLevel_CNT3 },
- { "CUS1", -1, LoadLevel_CUS1 },
- { "CUS2", -1, LoadLevel_CUS2 },
- { "CUS3", -1, LoadLevel_CUS3 },
- { "CUS4", -1, LoadLevel_CUS4 },
- { "GRP1", -1, LoadLevel_GRP1 },
- { "CONF", -1, LoadLevel_CONF },
- { "ELEM", -1, LoadLevel_ELEM },
- { "NOTE", -1, LoadLevel_NOTE },
- { "CUSX", -1, LoadLevel_CUSX },
- { "GRPX", -1, LoadLevel_GRPX },
+ initial_player_stepsize = (getFile8Bit(file) == 1 ? STEPSIZE_FAST :
+ STEPSIZE_NORMAL);
- { NULL, 0, NULL }
- };
+ for (i = 0; i < MAX_PLAYERS; i++)
+ level->initial_player_stepsize[i] = initial_player_stepsize;
- while (getFileChunkBE(file, chunk_name, &chunk_size))
- {
- int i = 0;
+ initial_player_gravity = (getFile8Bit(file) == 1 ? TRUE : FALSE);
- while (chunk_info[i].name != NULL &&
- !strEqual(chunk_name, chunk_info[i].name))
- i++;
+ for (i = 0; i < MAX_PLAYERS; i++)
+ level->initial_player_gravity[i] = initial_player_gravity;
- if (chunk_info[i].name == NULL)
- {
- Error(ERR_WARN, "unknown chunk '%s' in level file '%s'",
- chunk_name, filename);
- ReadUnusedBytesFromFile(file, chunk_size);
- }
- else if (chunk_info[i].size != -1 &&
- chunk_info[i].size != chunk_size)
- {
- Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
- chunk_size, chunk_name, filename);
- ReadUnusedBytesFromFile(file, chunk_size);
- }
- else
- {
- /* call function to load this level chunk */
- int chunk_size_expected =
- (chunk_info[i].loader)(file, chunk_size, level);
+ level->encoding_16bit_field = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->em_slippery_gems = (getFile8Bit(file) == 1 ? TRUE : FALSE);
- /* the size of some chunks cannot be checked before reading other
- chunks first (like "HEAD" and "BODY") that contain some header
- information, so check them here */
- if (chunk_size_expected != chunk_size)
- {
- Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
- chunk_size, chunk_name, filename);
- }
- }
- }
- }
+ level->use_custom_template = (getFile8Bit(file) == 1 ? TRUE : FALSE);
- fclose(file);
+ level->block_last_field = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->sp_block_last_field = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->can_move_into_acid_bits = getFile32BitBE(file);
+ level->dont_collide_with_bits = getFile8Bit(file);
+
+ level->use_spring_bug = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->use_step_counter = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ level->instant_relocation = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->can_pass_to_walkable = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+ level->grow_into_diggable = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ level->game_engine_type = getFile8Bit(file);
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_HEAD_UNUSED);
+
+ return chunk_size;
}
-/* ------------------------------------------------------------------------- */
-/* functions for loading EM level */
-/* ------------------------------------------------------------------------- */
+static int LoadLevel_NAME(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int i;
-#if 0
+ for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
+ level->name[i] = getFile8Bit(file);
+ level->name[MAX_LEVEL_NAME_LEN] = 0;
-static int map_em_element_yam(int element)
+ return chunk_size;
+}
+
+static int LoadLevel_AUTH(FILE *file, int chunk_size, struct LevelInfo *level)
{
- switch (element)
- {
- case 0x00: return EL_EMPTY;
- case 0x01: return EL_EMERALD;
- case 0x02: return EL_DIAMOND;
- case 0x03: return EL_ROCK;
- case 0x04: return EL_ROBOT;
- case 0x05: return EL_SPACESHIP_UP;
- case 0x06: return EL_BOMB;
- case 0x07: return EL_BUG_UP;
- case 0x08: return EL_AMOEBA_DROP;
- case 0x09: return EL_NUT;
- case 0x0a: return EL_YAMYAM;
- case 0x0b: return EL_QUICKSAND_FULL;
- case 0x0c: return EL_SAND;
+ int i;
+
+ for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
+ level->author[i] = getFile8Bit(file);
+ level->author[MAX_LEVEL_AUTHOR_LEN] = 0;
+
+ return chunk_size;
+}
+
+static int LoadLevel_BODY(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int x, y;
+ int chunk_size_expected = level->fieldx * level->fieldy;
+
+ /* Note: "chunk_size" was wrong before version 2.0 when elements are
+ stored with 16-bit encoding (and should be twice as big then).
+ Even worse, playfield data was stored 16-bit when only yamyam content
+ contained 16-bit elements and vice versa. */
+
+ if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
+ chunk_size_expected *= 2;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
+ }
+
+ for (y = 0; y < level->fieldy; y++)
+ for (x = 0; x < level->fieldx; x++)
+ level->field[x][y] =
+ getMappedElement(level->encoding_16bit_field ? getFile16BitBE(file) :
+ getFile8Bit(file));
+ return chunk_size;
+}
+
+static int LoadLevel_CONT(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int i, x, y;
+ int header_size = 4;
+ int content_size = MAX_ELEMENT_CONTENTS * 3 * 3;
+ int chunk_size_expected = header_size + content_size;
+
+ /* Note: "chunk_size" was wrong before version 2.0 when elements are
+ stored with 16-bit encoding (and should be twice as big then).
+ Even worse, playfield data was stored 16-bit when only yamyam content
+ contained 16-bit elements and vice versa. */
+
+ if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
+ chunk_size_expected += content_size;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
+ }
+
+ getFile8Bit(file);
+ level->num_yamyam_contents = getFile8Bit(file);
+ getFile8Bit(file);
+ getFile8Bit(file);
+
+ /* correct invalid number of content fields -- should never happen */
+ if (level->num_yamyam_contents < 1 ||
+ level->num_yamyam_contents > MAX_ELEMENT_CONTENTS)
+ level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] =
+ getMappedElement(level->encoding_16bit_field ?
+ getFile16BitBE(file) : getFile8Bit(file));
+ return chunk_size;
+}
+
+static int LoadLevel_CNT2(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int i, x, y;
+ int element;
+ int num_contents;
+#if 0
+ int content_xsize, content_ysize;
+#endif
+ int content_array[MAX_ELEMENT_CONTENTS][3][3];
+
+ element = getMappedElement(getFile16BitBE(file));
+ num_contents = getFile8Bit(file);
+#if 1
+ getFile8Bit(file); /* content x size (unused) */
+ getFile8Bit(file); /* content y size (unused) */
+#else
+ content_xsize = getFile8Bit(file);
+ content_ysize = getFile8Bit(file);
+#endif
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content_array[i][x][y] = getMappedElement(getFile16BitBE(file));
+
+ /* correct invalid number of content fields -- should never happen */
+ if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS)
+ num_contents = STD_ELEMENT_CONTENTS;
+
+ if (element == EL_YAMYAM)
+ {
+ level->num_yamyam_contents = num_contents;
+
+ for (i = 0; i < num_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] = content_array[i][x][y];
+ }
+ else if (element == EL_BD_AMOEBA)
+ {
+ level->amoeba_content = content_array[0][0][0];
+ }
+ else
+ {
+ Error(ERR_WARN, "cannot load content for element '%d'", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CNT3(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int i;
+ int element;
+ int envelope_nr;
+ int envelope_len;
+ int chunk_size_expected;
+
+ element = getMappedElement(getFile16BitBE(file));
+ if (!IS_ENVELOPE(element))
+ element = EL_ENVELOPE_1;
+
+ envelope_nr = element - EL_ENVELOPE_1;
+
+ envelope_len = getFile16BitBE(file);
+
+ level->envelope[envelope_nr].xsize = getFile8Bit(file);
+ level->envelope[envelope_nr].ysize = getFile8Bit(file);
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED);
+
+ chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < envelope_len; i++)
+ level->envelope[envelope_nr].text[i] = getFile8Bit(file);
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS1(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 6;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ int properties = getFile32BitBE(file);
+
+ if (IS_CUSTOM_ELEMENT(element))
+ element_info[element].properties[EP_BITFIELD_BASE_NR] = properties;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ /* older game versions that wrote level files with CUS1 chunks used
+ different default push delay values (not yet stored in level file) */
+ element_info[element].push_delay_fixed = 2;
+ element_info[element].push_delay_random = 8;
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS2(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 4;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ int custom_target_element = getMappedElement(getFile16BitBE(file));
+
+ if (IS_CUSTOM_ELEMENT(element))
+ element_info[element].change->target_element = custom_target_element;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
+ int i, j, x, y;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ struct ElementInfo *ei = &element_info[element];
+ unsigned int event_bits;
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ element = EL_INTERNAL_DUMMY;
+ }
+
+ for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
+ ei->description[j] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, 7);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ ei->collect_score_initial = getFile8Bit(file);
+ ei->collect_count_initial = getFile8Bit(file);
+
+ ei->push_delay_fixed = getFile16BitBE(file);
+ ei->push_delay_random = getFile16BitBE(file);
+ ei->move_delay_fixed = getFile16BitBE(file);
+ ei->move_delay_random = getFile16BitBE(file);
+
+ ei->move_pattern = getFile16BitBE(file);
+ ei->move_direction_initial = getFile8Bit(file);
+ ei->move_stepsize = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
+
+ event_bits = getFile32BitBE(file);
+ for (j = 0; j < NUM_CHANGE_EVENTS; j++)
+ if (event_bits & (1 << j))
+ ei->change->has_event[j] = TRUE;
+
+ ei->change->target_element = getMappedElement(getFile16BitBE(file));
+
+ ei->change->delay_fixed = getFile16BitBE(file);
+ ei->change->delay_random = getFile16BitBE(file);
+ ei->change->delay_frames = getFile16BitBE(file);
+
+ ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file));
+
+ ei->change->explode = getFile8Bit(file);
+ ei->change->use_target_content = getFile8Bit(file);
+ ei->change->only_if_complete = getFile8Bit(file);
+ ei->change->use_random_replace = getFile8Bit(file);
+
+ ei->change->random_percentage = getFile8Bit(file);
+ ei->change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->change->target_content.e[x][y] =
+ getMappedElement(getFile16BitBE(file));
+
+ ei->slippery_type = getFile8Bit(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED);
+
+ /* mark that this custom element has been modified */
+ ei->modified_settings = TRUE;
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ int chunk_size_expected;
+ int element;
+ int i, j, x, y;
+
+ /* ---------- custom element base property values (96 bytes) ------------- */
+
+ element = getMappedElement(getFile16BitBE(file));
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
+
+ ReadUnusedBytesFromFile(file, 4); /* reserved for more base properties */
+
+ ei->num_change_pages = getFile8Bit(file);
+
+ chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 43);
+ return chunk_size_expected;
+ }
+
+ ei->ce_value_fixed_initial = getFile16BitBE(file);
+ ei->ce_value_random_initial = getFile16BitBE(file);
+ ei->use_last_ce_value = getFile8Bit(file);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ ei->collect_score_initial = getFile8Bit(file);
+ ei->collect_count_initial = getFile8Bit(file);
+
+ ei->drop_delay_fixed = getFile8Bit(file);
+ ei->push_delay_fixed = getFile8Bit(file);
+ ei->drop_delay_random = getFile8Bit(file);
+ ei->push_delay_random = getFile8Bit(file);
+ ei->move_delay_fixed = getFile16BitBE(file);
+ ei->move_delay_random = getFile16BitBE(file);
+
+ /* bits 0 - 15 of "move_pattern" ... */
+ ei->move_pattern = getFile16BitBE(file);
+ ei->move_direction_initial = getFile8Bit(file);
+ ei->move_stepsize = getFile8Bit(file);
+
+ ei->slippery_type = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
+
+ ei->move_enter_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_type = getFile8Bit(file);
+
+ /* ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible) */
+ ei->move_pattern |= (getFile16BitBE(file) << 16);
+
+ ei->access_direction = getFile8Bit(file);
+
+ ei->explosion_delay = getFile8Bit(file);
+ ei->ignition_delay = getFile8Bit(file);
+ ei->explosion_type = getFile8Bit(file);
+
+ /* some free bytes for future custom property values and padding */
+ ReadUnusedBytesFromFile(file, 1);
+
+ /* ---------- change page property values (48 bytes) --------------------- */
+
+ setElementChangePages(ei, ei->num_change_pages);
+
+ for (i = 0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+ unsigned int event_bits;
+
+ /* always start with reliable default values */
+ setElementChangeInfoToDefaults(change);
+
+ /* bits 0 - 31 of "has_event[]" ... */
+ event_bits = getFile32BitBE(file);
+ for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
+ if (event_bits & (1 << j))
+ change->has_event[j] = TRUE;
+
+ change->target_element = getMappedElement(getFile16BitBE(file));
+
+ change->delay_fixed = getFile16BitBE(file);
+ change->delay_random = getFile16BitBE(file);
+ change->delay_frames = getFile16BitBE(file);
+
+ change->initial_trigger_element = getMappedElement(getFile16BitBE(file));
+
+ change->explode = getFile8Bit(file);
+ change->use_target_content = getFile8Bit(file);
+ change->only_if_complete = getFile8Bit(file);
+ change->use_random_replace = getFile8Bit(file);
+
+ change->random_percentage = getFile8Bit(file);
+ change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ change->target_content.e[x][y]= getMappedElement(getFile16BitBE(file));
+
+ change->can_change = getFile8Bit(file);
+
+ change->trigger_side = getFile8Bit(file);
+
+ change->trigger_player = getFile8Bit(file);
+ change->trigger_page = getFile8Bit(file);
+
+ change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ?
+ CH_PAGE_ANY : (1 << change->trigger_page));
+
+ change->has_action = getFile8Bit(file);
+ change->action_type = getFile8Bit(file);
+ change->action_mode = getFile8Bit(file);
+ change->action_arg = getFile16BitBE(file);
+
+ /* ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible) */
+ event_bits = getFile8Bit(file);
+ for (j = 32; j < NUM_CHANGE_EVENTS; j++)
+ if (event_bits & (1 << (j - 32)))
+ change->has_event[j] = TRUE;
+ }
+
+ /* mark this custom element as modified */
+ ei->modified_settings = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_GRP1(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ struct ElementGroupInfo *group;
+ int element;
+ int i;
+
+ element = getMappedElement(getFile16BitBE(file));
+
+ if (!IS_GROUP_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid group element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ group = element_info[element].group;
+
+ group->num_elements = getFile8Bit(file);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ group->choice_mode = getFile8Bit(file);
+
+ /* some free bytes for future values and padding */
+ ReadUnusedBytesFromFile(file, 3);
+
+ for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
+ group->element[i] = getMappedElement(getFile16BitBE(file));
+
+ /* mark this group element as modified */
+ element_info[element].modified_settings = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *conf,
+ int element, int real_element)
+{
+ int micro_chunk_size = 0;
+ int conf_type = getFile8Bit(file);
+ int byte_mask = conf_type & CONF_MASK_BYTES;
+ boolean element_found = FALSE;
+ int i;
+
+ micro_chunk_size += 1;
+
+ if (byte_mask == CONF_MASK_MULTI_BYTES)
+ {
+ int num_bytes = getFile16BitBE(file);
+ byte *buffer = checked_malloc(num_bytes);
+
+ ReadBytesFromFile(file, buffer, num_bytes);
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ if (conf[i].element == element &&
+ conf[i].conf_type == conf_type)
+ {
+ int data_type = conf[i].data_type;
+ int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
+ int max_num_entities = conf[i].max_num_entities;
+
+ if (num_entities > max_num_entities)
+ {
+ Error(ERR_WARN,
+ "truncating number of entities for element %d from %d to %d",
+ element, num_entities, max_num_entities);
+
+ num_entities = max_num_entities;
+ }
+
+ if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST ||
+ data_type == TYPE_CONTENT_LIST))
+ {
+ /* for element and content lists, zero entities are not allowed */
+ Error(ERR_WARN, "found empty list of entities for element %d",
+ element);
+
+ /* do not set "num_entities" here to prevent reading behind buffer */
+
+ *(int *)(conf[i].num_entities) = 1; /* at least one is required */
+ }
+ else
+ {
+ *(int *)(conf[i].num_entities) = num_entities;
+ }
+
+ element_found = TRUE;
+
+ if (data_type == TYPE_STRING)
+ {
+ char *string = (char *)(conf[i].value);
+ int j;
+
+ for (j = 0; j < max_num_entities; j++)
+ string[j] = (j < num_entities ? buffer[j] : '\0');
+ }
+ else if (data_type == TYPE_ELEMENT_LIST)
+ {
+ int *element_array = (int *)(conf[i].value);
+ int j;
+
+ for (j = 0; j < num_entities; j++)
+ element_array[j] =
+ getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j));
+ }
+ else if (data_type == TYPE_CONTENT_LIST)
+ {
+ struct Content *content= (struct Content *)(conf[i].value);
+ int c, x, y;
+
+ for (c = 0; c < num_entities; c++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content[c].e[x][y] =
+ getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
+ }
+ else
+ element_found = FALSE;
+
+ break;
+ }
+ }
+
+ checked_free(buffer);
+
+ micro_chunk_size += 2 + num_bytes;
+ }
+ else /* constant size configuration data (1, 2 or 4 bytes) */
+ {
+ int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit (file) :
+ byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
+ byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ if (conf[i].element == element &&
+ conf[i].conf_type == conf_type)
+ {
+ int data_type = conf[i].data_type;
+
+ if (data_type == TYPE_ELEMENT)
+ value = getMappedElement(value);
+
+ if (data_type == TYPE_BOOLEAN)
+ *(boolean *)(conf[i].value) = value;
+ else
+ *(int *) (conf[i].value) = value;
+
+ element_found = TRUE;
+
+ break;
+ }
+ }
+
+ micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
+ }
+
+ if (!element_found)
+ {
+ char *error_conf_chunk_bytes =
+ (byte_mask == CONF_MASK_1_BYTE ? "CONF_VALUE_8_BIT" :
+ byte_mask == CONF_MASK_2_BYTE ? "CONF_VALUE_16_BIT" :
+ byte_mask == CONF_MASK_4_BYTE ? "CONF_VALUE_32_BIT" :"CONF_VALUE_BYTES");
+ int error_conf_chunk_token = conf_type & CONF_MASK_TOKEN;
+ int error_element = real_element;
+
+ Error(ERR_WARN, "cannot load micro chunk '%s(%d)' value for element %d ['%s']",
+ error_conf_chunk_bytes, error_conf_chunk_token,
+ error_element, EL_NAME(error_element));
+ }
+
+ return micro_chunk_size;
+}
+
+static int LoadLevel_INFO(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!feof(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_CONF(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!feof(file))
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+
+ real_chunk_size += 2;
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF,
+ element, element);
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_ELEM(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!feof(file))
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+
+ real_chunk_size += 2;
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
+ element, element);
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_NOTE(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int envelope_nr = element - EL_ENVELOPE_1;
+ int real_chunk_size = 2;
+
+ while (!feof(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE,
+ -1, element);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ level->envelope[envelope_nr] = xx_envelope;
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_CUSX(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int real_chunk_size = 2;
+ struct ElementInfo *ei = &element_info[element];
+ int i;
+
+ xx_ei = *ei; /* copy element data into temporary buffer */
+
+ xx_ei.num_change_pages = -1;
+
+ while (!feof(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
+ -1, element);
+ if (xx_ei.num_change_pages != -1)
+ break;
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *ei = xx_ei;
+
+ if (ei->num_change_pages == -1)
+ {
+ Error(ERR_WARN, "LoadLevel_CUSX(): missing 'num_change_pages' for '%s'",
+ EL_NAME(element));
+
+ ei->num_change_pages = 1;
+
+ setElementChangePages(ei, 1);
+ setElementChangeInfoToDefaults(ei->change);
+
+ return real_chunk_size;
+ }
+
+ /* initialize number of change pages stored for this custom element */
+ setElementChangePages(ei, ei->num_change_pages);
+ for (i = 0; i < ei->num_change_pages; i++)
+ setElementChangeInfoToDefaults(&ei->change_page[i]);
+
+ /* start with reading properties for the first change page */
+ xx_current_change_page = 0;
+
+ while (!feof(file))
+ {
+ struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
+
+ xx_change = *change; /* copy change data into temporary buffer */
+
+ resetEventBits(); /* reset bits; change page might have changed */
+
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_change,
+ -1, element);
+
+ *change = xx_change;
+
+ setEventFlagsFromEventBits(change);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_GRPX(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int real_chunk_size = 2;
+ struct ElementInfo *ei = &element_info[element];
+ struct ElementGroupInfo *group = ei->group;
+
+ xx_ei = *ei; /* copy element data into temporary buffer */
+ xx_group = *group; /* copy group data into temporary buffer */
+
+ while (!feof(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX,
+ -1, element);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *ei = xx_ei;
+ *group = xx_group;
+
+ return real_chunk_size;
+}
+
+#endif
+
+#if 1
+
+static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ int chunk_size;
+ File *file;
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+#if 1
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#else
+ if (level != &level_template)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#endif
+
+ return;
+ }
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strEqual(chunk_name, "RND1"))
+ {
+ getFile32BitBE(file); /* not used */
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (!strEqual(chunk_name, "CAVE"))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+ }
+ else /* check for pre-2.0 file format with cookie string */
+ {
+ strcpy(cookie, chunk_name);
+ if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
+ cookie[4] = '\0';
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ /* pre-2.0 level files have no game version, so use file version here */
+ level->game_version = level->file_version;
+ }
+
+ if (level->file_version < FILE_VERSION_1_2)
+ {
+ /* level files from versions before 1.2.0 without chunk structure */
+ LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level);
+ LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(File *, int, struct LevelInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS },
+ { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE },
+ { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD },
+ { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME },
+ { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH },
+ { "INFO", -1, LoadLevel_INFO },
+ { "BODY", -1, LoadLevel_BODY },
+ { "CONT", -1, LoadLevel_CONT },
+ { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 },
+ { "CNT3", -1, LoadLevel_CNT3 },
+ { "CUS1", -1, LoadLevel_CUS1 },
+ { "CUS2", -1, LoadLevel_CUS2 },
+ { "CUS3", -1, LoadLevel_CUS3 },
+ { "CUS4", -1, LoadLevel_CUS4 },
+ { "GRP1", -1, LoadLevel_GRP1 },
+ { "CONF", -1, LoadLevel_CONF },
+ { "ELEM", -1, LoadLevel_ELEM },
+ { "NOTE", -1, LoadLevel_NOTE },
+ { "CUSX", -1, LoadLevel_CUSX },
+ { "GRPX", -1, LoadLevel_GRPX },
+
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ !strEqual(chunk_name, chunk_info[i].name))
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in level file '%s'",
+ chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else if (chunk_info[i].size != -1 &&
+ chunk_info[i].size != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ /* call function to load this level chunk */
+ int chunk_size_expected =
+ (chunk_info[i].loader)(file, chunk_size, level);
+
+ /* the size of some chunks cannot be checked before reading other
+ chunks first (like "HEAD" and "BODY") that contain some header
+ information, so check them here */
+ if (chunk_size_expected != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ }
+ }
+ }
+ }
+
+ closeFile(file);
+}
+
+#else
+
+static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ int chunk_size;
+ FILE *file;
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+#if 1
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#else
+ if (level != &level_template)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#endif
+
+ return;
+ }
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strEqual(chunk_name, "RND1"))
+ {
+ getFile32BitBE(file); /* not used */
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (!strEqual(chunk_name, "CAVE"))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+ fclose(file);
+ return;
+ }
+ }
+ else /* check for pre-2.0 file format with cookie string */
+ {
+ strcpy(cookie, chunk_name);
+ if (fgets(&cookie[4], MAX_LINE_LEN - 4, file) == NULL)
+ cookie[4] = '\0';
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+ fclose(file);
+ return;
+ }
+
+ if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of level file '%s'", filename);
+ fclose(file);
+ return;
+ }
+
+ /* pre-2.0 level files have no game version, so use file version here */
+ level->game_version = level->file_version;
+ }
+
+ if (level->file_version < FILE_VERSION_1_2)
+ {
+ /* level files from versions before 1.2.0 without chunk structure */
+ LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level);
+ LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(FILE *, int, struct LevelInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS },
+ { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE },
+ { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD },
+ { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME },
+ { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH },
+ { "INFO", -1, LoadLevel_INFO },
+ { "BODY", -1, LoadLevel_BODY },
+ { "CONT", -1, LoadLevel_CONT },
+ { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 },
+ { "CNT3", -1, LoadLevel_CNT3 },
+ { "CUS1", -1, LoadLevel_CUS1 },
+ { "CUS2", -1, LoadLevel_CUS2 },
+ { "CUS3", -1, LoadLevel_CUS3 },
+ { "CUS4", -1, LoadLevel_CUS4 },
+ { "GRP1", -1, LoadLevel_GRP1 },
+ { "CONF", -1, LoadLevel_CONF },
+ { "ELEM", -1, LoadLevel_ELEM },
+ { "NOTE", -1, LoadLevel_NOTE },
+ { "CUSX", -1, LoadLevel_CUSX },
+ { "GRPX", -1, LoadLevel_GRPX },
+
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ !strEqual(chunk_name, chunk_info[i].name))
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in level file '%s'",
+ chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else if (chunk_info[i].size != -1 &&
+ chunk_info[i].size != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ /* call function to load this level chunk */
+ int chunk_size_expected =
+ (chunk_info[i].loader)(file, chunk_size, level);
+
+ /* the size of some chunks cannot be checked before reading other
+ chunks first (like "HEAD" and "BODY") that contain some header
+ information, so check them here */
+ if (chunk_size_expected != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
+ chunk_size, chunk_name, filename);
+ }
+ }
+ }
+ }
+
+ fclose(file);
+}
+
+#endif
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading EM level */
+/* ------------------------------------------------------------------------- */
+
+#if 0
+
+static int map_em_element_yam(int element)
+{
+ switch (element)
+ {
+ case 0x00: return EL_EMPTY;
+ case 0x01: return EL_EMERALD;
+ case 0x02: return EL_DIAMOND;
+ case 0x03: return EL_ROCK;
+ case 0x04: return EL_ROBOT;
+ case 0x05: return EL_SPACESHIP_UP;
+ case 0x06: return EL_BOMB;
+ case 0x07: return EL_BUG_UP;
+ case 0x08: return EL_AMOEBA_DROP;
+ case 0x09: return EL_NUT;
+ case 0x0a: return EL_YAMYAM;
+ case 0x0b: return EL_QUICKSAND_FULL;
+ case 0x0c: return EL_SAND;
case 0x0d: return EL_WALL_SLIPPERY;
case 0x0e: return EL_STEELWALL;
case 0x0f: return EL_WALL;
element = EL_STEEL_CHAR_F;
break;
- case 0x161b: /* (blue steel) */
+ case 0x161b: /* (blue steel) */
+ element = EL_STEEL_CHAR_G;
+ break;
+
+ case 0x161c: /* (blue steel) */
+ element = EL_STEEL_CHAR_H;
+ break;
+
+ case 0x161d: /* (blue steel) */
+ element = EL_STEEL_CHAR_I;
+ break;
+
+ case 0x161e: /* (blue steel) */
+ element = EL_STEEL_CHAR_J;
+ break;
+
+ case 0x161f: /* (blue steel) */
+ element = EL_STEEL_CHAR_K;
+ break;
+
+ case 0x1620: /* (blue steel) */
+ element = EL_STEEL_CHAR_L;
+ break;
+
+ case 0x1621: /* (blue steel) */
+ element = EL_STEEL_CHAR_M;
+ break;
+
+ case 0x1622: /* (blue steel) */
+ element = EL_STEEL_CHAR_N;
+ break;
+
+ case 0x1623: /* (blue steel) */
+ element = EL_STEEL_CHAR_O;
+ break;
+
+ case 0x1624: /* (blue steel) */
+ element = EL_STEEL_CHAR_P;
+ break;
+
+ case 0x1625: /* (blue steel) */
+ element = EL_STEEL_CHAR_Q;
+ break;
+
+ case 0x1626: /* (blue steel) */
+ element = EL_STEEL_CHAR_R;
+ break;
+
+ case 0x1627: /* (blue steel) */
+ element = EL_STEEL_CHAR_S;
+ break;
+
+ case 0x1628: /* (blue steel) */
+ element = EL_STEEL_CHAR_T;
+ break;
+
+ case 0x1629: /* (blue steel) */
+ element = EL_STEEL_CHAR_U;
+ break;
+
+ case 0x162a: /* (blue steel) */
+ element = EL_STEEL_CHAR_V;
+ break;
+
+ case 0x162b: /* (blue steel) */
+ element = EL_STEEL_CHAR_W;
+ break;
+
+ case 0x162c: /* (blue steel) */
+ element = EL_STEEL_CHAR_X;
+ break;
+
+ case 0x162d: /* (blue steel) */
+ element = EL_STEEL_CHAR_Y;
+ break;
+
+ case 0x162e: /* (blue steel) */
+ element = EL_STEEL_CHAR_Z;
+ break;
+
+ case 0x162f: /* (blue steel) */
+ element = EL_STEEL_CHAR_AUMLAUT;
+ break;
+
+ case 0x1630: /* (blue steel) */
+ element = EL_STEEL_CHAR_OUMLAUT;
+ break;
+
+ case 0x1631: /* (blue steel) */
+ element = EL_STEEL_CHAR_UUMLAUT;
+ break;
+
+ case 0x1632: /* (blue steel) */
+ element = EL_STEEL_CHAR_0;
+ break;
+
+ case 0x1633: /* (blue steel) */
+ element = EL_STEEL_CHAR_1;
+ break;
+
+ case 0x1634: /* (blue steel) */
+ element = EL_STEEL_CHAR_2;
+ break;
+
+ case 0x1635: /* (blue steel) */
+ element = EL_STEEL_CHAR_3;
+ break;
+
+ case 0x1636: /* (blue steel) */
+ element = EL_STEEL_CHAR_4;
+ break;
+
+ case 0x1637: /* (blue steel) */
+ element = EL_STEEL_CHAR_5;
+ break;
+
+ case 0x1638: /* (blue steel) */
+ element = EL_STEEL_CHAR_6;
+ break;
+
+ case 0x1639: /* (blue steel) */
+ element = EL_STEEL_CHAR_7;
+ break;
+
+ case 0x163a: /* (blue steel) */
+ element = EL_STEEL_CHAR_8;
+ break;
+
+ case 0x163b: /* (blue steel) */
+ element = EL_STEEL_CHAR_9;
+ break;
+
+ case 0x163c: /* (blue steel) */
+ element = EL_STEEL_CHAR_PERIOD;
+ break;
+
+ case 0x163d: /* (blue steel) */
+ element = EL_STEEL_CHAR_EXCLAM;
+ break;
+
+ case 0x163e: /* (blue steel) */
+ element = EL_STEEL_CHAR_COLON;
+ break;
+
+ case 0x163f: /* (blue steel) */
+ element = EL_STEEL_CHAR_LESS;
+ break;
+
+ case 0x1640: /* (blue steel) */
+ element = EL_STEEL_CHAR_GREATER;
+ break;
+
+ case 0x1641: /* (blue steel) */
+ element = EL_STEEL_CHAR_QUESTION;
+ break;
+
+ case 0x1642: /* (blue steel) */
+ element = EL_STEEL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x1643: /* (blue steel) */
+ element = EL_STEEL_CHAR_UP;
+ break;
+
+ case 0x1644: /* (blue steel) */
+ element = EL_STEEL_CHAR_DOWN;
+ break;
+
+ case 0x1645: /* (blue steel) */
+ element = EL_STEEL_CHAR_BUTTON;
+ break;
+
+ case 0x1646: /* (blue steel) */
+ element = EL_STEEL_CHAR_PLUS;
+ break;
+
+ case 0x1647: /* (blue steel) */
+ element = EL_STEEL_CHAR_MINUS;
+ break;
+
+ case 0x1648: /* (blue steel) */
+ element = EL_STEEL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x1649: /* (blue steel) */
+ element = EL_STEEL_CHAR_PARENLEFT;
+ break;
+
+ case 0x164a: /* (blue steel) */
+ element = EL_STEEL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x164b: /* (green steel) */
+ element = EL_STEEL_CHAR_A;
+ break;
+
+ case 0x164c: /* (green steel) */
+ element = EL_STEEL_CHAR_B;
+ break;
+
+ case 0x164d: /* (green steel) */
+ element = EL_STEEL_CHAR_C;
+ break;
+
+ case 0x164e: /* (green steel) */
+ element = EL_STEEL_CHAR_D;
+ break;
+
+ case 0x164f: /* (green steel) */
+ element = EL_STEEL_CHAR_E;
+ break;
+
+ case 0x1650: /* (green steel) */
+ element = EL_STEEL_CHAR_F;
+ break;
+
+ case 0x1651: /* (green steel) */
element = EL_STEEL_CHAR_G;
break;
- case 0x161c: /* (blue steel) */
+ case 0x1652: /* (green steel) */
element = EL_STEEL_CHAR_H;
break;
- case 0x161d: /* (blue steel) */
+ case 0x1653: /* (green steel) */
element = EL_STEEL_CHAR_I;
break;
- case 0x161e: /* (blue steel) */
+ case 0x1654: /* (green steel) */
element = EL_STEEL_CHAR_J;
break;
- case 0x161f: /* (blue steel) */
+ case 0x1655: /* (green steel) */
element = EL_STEEL_CHAR_K;
break;
- case 0x1620: /* (blue steel) */
+ case 0x1656: /* (green steel) */
element = EL_STEEL_CHAR_L;
break;
- case 0x1621: /* (blue steel) */
+ case 0x1657: /* (green steel) */
element = EL_STEEL_CHAR_M;
break;
- case 0x1622: /* (blue steel) */
+ case 0x1658: /* (green steel) */
element = EL_STEEL_CHAR_N;
break;
- case 0x1623: /* (blue steel) */
+ case 0x1659: /* (green steel) */
element = EL_STEEL_CHAR_O;
break;
- case 0x1624: /* (blue steel) */
+ case 0x165a: /* (green steel) */
element = EL_STEEL_CHAR_P;
break;
- case 0x1625: /* (blue steel) */
+ case 0x165b: /* (green steel) */
element = EL_STEEL_CHAR_Q;
break;
- case 0x1626: /* (blue steel) */
+ case 0x165c: /* (green steel) */
element = EL_STEEL_CHAR_R;
break;
- case 0x1627: /* (blue steel) */
+ case 0x165d: /* (green steel) */
element = EL_STEEL_CHAR_S;
break;
- case 0x1628: /* (blue steel) */
+ case 0x165e: /* (green steel) */
element = EL_STEEL_CHAR_T;
break;
- case 0x1629: /* (blue steel) */
+ case 0x165f: /* (green steel) */
element = EL_STEEL_CHAR_U;
break;
- case 0x162a: /* (blue steel) */
+ case 0x1660: /* (green steel) */
element = EL_STEEL_CHAR_V;
break;
- case 0x162b: /* (blue steel) */
+ case 0x1661: /* (green steel) */
element = EL_STEEL_CHAR_W;
break;
- case 0x162c: /* (blue steel) */
+ case 0x1662: /* (green steel) */
element = EL_STEEL_CHAR_X;
break;
- case 0x162d: /* (blue steel) */
+ case 0x1663: /* (green steel) */
element = EL_STEEL_CHAR_Y;
break;
- case 0x162e: /* (blue steel) */
+ case 0x1664: /* (green steel) */
element = EL_STEEL_CHAR_Z;
break;
- case 0x162f: /* (blue steel) */
+ case 0x1665: /* (green steel) */
element = EL_STEEL_CHAR_AUMLAUT;
break;
- case 0x1630: /* (blue steel) */
+ case 0x1666: /* (green steel) */
element = EL_STEEL_CHAR_OUMLAUT;
break;
- case 0x1631: /* (blue steel) */
+ case 0x1667: /* (green steel) */
element = EL_STEEL_CHAR_UUMLAUT;
break;
- case 0x1632: /* (blue steel) */
+ case 0x1668: /* (green steel) */
element = EL_STEEL_CHAR_0;
break;
- case 0x1633: /* (blue steel) */
+ case 0x1669: /* (green steel) */
element = EL_STEEL_CHAR_1;
break;
- case 0x1634: /* (blue steel) */
+ case 0x166a: /* (green steel) */
element = EL_STEEL_CHAR_2;
break;
- case 0x1635: /* (blue steel) */
+ case 0x166b: /* (green steel) */
element = EL_STEEL_CHAR_3;
break;
- case 0x1636: /* (blue steel) */
+ case 0x166c: /* (green steel) */
element = EL_STEEL_CHAR_4;
break;
- case 0x1637: /* (blue steel) */
+ case 0x166d: /* (green steel) */
element = EL_STEEL_CHAR_5;
break;
- case 0x1638: /* (blue steel) */
+ case 0x166e: /* (green steel) */
element = EL_STEEL_CHAR_6;
break;
- case 0x1639: /* (blue steel) */
+ case 0x166f: /* (green steel) */
element = EL_STEEL_CHAR_7;
break;
- case 0x163a: /* (blue steel) */
+ case 0x1670: /* (green steel) */
element = EL_STEEL_CHAR_8;
break;
- case 0x163b: /* (blue steel) */
+ case 0x1671: /* (green steel) */
element = EL_STEEL_CHAR_9;
break;
- case 0x163c: /* (blue steel) */
+ case 0x1672: /* (green steel) */
element = EL_STEEL_CHAR_PERIOD;
break;
- case 0x163d: /* (blue steel) */
+ case 0x1673: /* (green steel) */
element = EL_STEEL_CHAR_EXCLAM;
break;
- case 0x163e: /* (blue steel) */
+ case 0x1674: /* (green steel) */
element = EL_STEEL_CHAR_COLON;
break;
- case 0x163f: /* (blue steel) */
+ case 0x1675: /* (green steel) */
element = EL_STEEL_CHAR_LESS;
break;
- case 0x1640: /* (blue steel) */
+ case 0x1676: /* (green steel) */
element = EL_STEEL_CHAR_GREATER;
break;
- case 0x1641: /* (blue steel) */
+ case 0x1677: /* (green steel) */
element = EL_STEEL_CHAR_QUESTION;
break;
- case 0x1642: /* (blue steel) */
+ case 0x1678: /* (green steel) */
element = EL_STEEL_CHAR_COPYRIGHT;
break;
- case 0x1643: /* (blue steel) */
+ case 0x1679: /* (green steel) */
element = EL_STEEL_CHAR_UP;
break;
- case 0x1644: /* (blue steel) */
+ case 0x167a: /* (green steel) */
element = EL_STEEL_CHAR_DOWN;
break;
- case 0x1645: /* (blue steel) */
+ case 0x167b: /* (green steel) */
element = EL_STEEL_CHAR_BUTTON;
break;
- case 0x1646: /* (blue steel) */
+ case 0x167c: /* (green steel) */
element = EL_STEEL_CHAR_PLUS;
break;
- case 0x1647: /* (blue steel) */
+ case 0x167d: /* (green steel) */
element = EL_STEEL_CHAR_MINUS;
break;
- case 0x1648: /* (blue steel) */
+ case 0x167e: /* (green steel) */
element = EL_STEEL_CHAR_APOSTROPHE;
break;
- case 0x1649: /* (blue steel) */
+ case 0x167f: /* (green steel) */
element = EL_STEEL_CHAR_PARENLEFT;
break;
- case 0x164a: /* (blue steel) */
+ case 0x1680: /* (green steel) */
element = EL_STEEL_CHAR_PARENRIGHT;
break;
- case 0x164b: /* (green steel) */
- element = EL_STEEL_CHAR_A;
+ case 0x1681: /* gate (red) */
+ element = EL_EM_GATE_1;
break;
- case 0x164c: /* (green steel) */
- element = EL_STEEL_CHAR_B;
+ case 0x1682: /* secret gate (red) */
+ element = EL_GATE_1_GRAY;
break;
- case 0x164d: /* (green steel) */
- element = EL_STEEL_CHAR_C;
+ case 0x1683: /* gate (yellow) */
+ element = EL_EM_GATE_2;
break;
- case 0x164e: /* (green steel) */
- element = EL_STEEL_CHAR_D;
+ case 0x1684: /* secret gate (yellow) */
+ element = EL_GATE_2_GRAY;
break;
- case 0x164f: /* (green steel) */
- element = EL_STEEL_CHAR_E;
+ case 0x1685: /* gate (blue) */
+ element = EL_EM_GATE_4;
break;
- case 0x1650: /* (green steel) */
- element = EL_STEEL_CHAR_F;
+ case 0x1686: /* secret gate (blue) */
+ element = EL_GATE_4_GRAY;
break;
- case 0x1651: /* (green steel) */
- element = EL_STEEL_CHAR_G;
+ case 0x1687: /* gate (green) */
+ element = EL_EM_GATE_3;
break;
- case 0x1652: /* (green steel) */
- element = EL_STEEL_CHAR_H;
+ case 0x1688: /* secret gate (green) */
+ element = EL_GATE_3_GRAY;
break;
- case 0x1653: /* (green steel) */
- element = EL_STEEL_CHAR_I;
+ case 0x1689: /* gate (white) */
+ element = EL_DC_GATE_WHITE;
break;
- case 0x1654: /* (green steel) */
- element = EL_STEEL_CHAR_J;
+ case 0x168a: /* secret gate (white) */
+ element = EL_DC_GATE_WHITE_GRAY;
break;
- case 0x1655: /* (green steel) */
- element = EL_STEEL_CHAR_K;
+ case 0x168b: /* secret gate (no key) */
+ element = EL_DC_GATE_FAKE_GRAY;
break;
- case 0x1656: /* (green steel) */
- element = EL_STEEL_CHAR_L;
+ case 0x168c:
+ element = EL_ROBOT_WHEEL;
+ break;
+
+ case 0x168d:
+ element = EL_DC_TIMEGATE_SWITCH;
+ break;
+
+ case 0x168e:
+ element = EL_ACID_POOL_BOTTOM;
+ break;
+
+ case 0x168f:
+ element = EL_ACID_POOL_TOPLEFT;
+ break;
+
+ case 0x1690:
+ element = EL_ACID_POOL_TOPRIGHT;
+ break;
+
+ case 0x1691:
+ element = EL_ACID_POOL_BOTTOMLEFT;
+ break;
+
+ case 0x1692:
+ element = EL_ACID_POOL_BOTTOMRIGHT;
+ break;
+
+ case 0x1693:
+ element = EL_STEELWALL;
+ break;
+
+ case 0x1694:
+ element = EL_STEELWALL_SLIPPERY;
+ break;
+
+ case 0x1695: /* steel wall (not round) */
+ element = EL_STEELWALL;
+ break;
+
+ case 0x1696: /* steel wall (left) */
+ element = EL_DC_STEELWALL_1_LEFT;
+ break;
+
+ case 0x1697: /* steel wall (bottom) */
+ element = EL_DC_STEELWALL_1_BOTTOM;
+ break;
+
+ case 0x1698: /* steel wall (right) */
+ element = EL_DC_STEELWALL_1_RIGHT;
+ break;
+
+ case 0x1699: /* steel wall (top) */
+ element = EL_DC_STEELWALL_1_TOP;
+ break;
+
+ case 0x169a: /* steel wall (left/bottom) */
+ element = EL_DC_STEELWALL_1_BOTTOMLEFT;
+ break;
+
+ case 0x169b: /* steel wall (right/bottom) */
+ element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
+ break;
+
+ case 0x169c: /* steel wall (right/top) */
+ element = EL_DC_STEELWALL_1_TOPRIGHT;
+ break;
+
+ case 0x169d: /* steel wall (left/top) */
+ element = EL_DC_STEELWALL_1_TOPLEFT;
+ break;
+
+ case 0x169e: /* steel wall (right/bottom small) */
+ element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
+ break;
+
+ case 0x169f: /* steel wall (left/bottom small) */
+ element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
+ break;
+
+ case 0x16a0: /* steel wall (right/top small) */
+ element = EL_DC_STEELWALL_1_TOPRIGHT_2;
+ break;
+
+ case 0x16a1: /* steel wall (left/top small) */
+ element = EL_DC_STEELWALL_1_TOPLEFT_2;
+ break;
+
+ case 0x16a2: /* steel wall (left/right) */
+ element = EL_DC_STEELWALL_1_VERTICAL;
+ break;
+
+ case 0x16a3: /* steel wall (top/bottom) */
+ element = EL_DC_STEELWALL_1_HORIZONTAL;
+ break;
+
+ case 0x16a4: /* steel wall 2 (left end) */
+ element = EL_DC_STEELWALL_2_LEFT;
+ break;
+
+ case 0x16a5: /* steel wall 2 (right end) */
+ element = EL_DC_STEELWALL_2_RIGHT;
+ break;
+
+ case 0x16a6: /* steel wall 2 (top end) */
+ element = EL_DC_STEELWALL_2_TOP;
+ break;
+
+ case 0x16a7: /* steel wall 2 (bottom end) */
+ element = EL_DC_STEELWALL_2_BOTTOM;
+ break;
+
+ case 0x16a8: /* steel wall 2 (left/right) */
+ element = EL_DC_STEELWALL_2_HORIZONTAL;
break;
- case 0x1657: /* (green steel) */
- element = EL_STEEL_CHAR_M;
+ case 0x16a9: /* steel wall 2 (up/down) */
+ element = EL_DC_STEELWALL_2_VERTICAL;
break;
- case 0x1658: /* (green steel) */
- element = EL_STEEL_CHAR_N;
+ case 0x16aa: /* steel wall 2 (mid) */
+ element = EL_DC_STEELWALL_2_MIDDLE;
break;
- case 0x1659: /* (green steel) */
- element = EL_STEEL_CHAR_O;
+ case 0x16ab:
+ element = EL_SIGN_EXCLAMATION;
break;
- case 0x165a: /* (green steel) */
- element = EL_STEEL_CHAR_P;
+ case 0x16ac:
+ element = EL_SIGN_RADIOACTIVITY;
break;
- case 0x165b: /* (green steel) */
- element = EL_STEEL_CHAR_Q;
+ case 0x16ad:
+ element = EL_SIGN_STOP;
break;
- case 0x165c: /* (green steel) */
- element = EL_STEEL_CHAR_R;
+ case 0x16ae:
+ element = EL_SIGN_WHEELCHAIR;
break;
- case 0x165d: /* (green steel) */
- element = EL_STEEL_CHAR_S;
+ case 0x16af:
+ element = EL_SIGN_PARKING;
break;
- case 0x165e: /* (green steel) */
- element = EL_STEEL_CHAR_T;
+ case 0x16b0:
+ element = EL_SIGN_NO_ENTRY;
break;
- case 0x165f: /* (green steel) */
- element = EL_STEEL_CHAR_U;
+ case 0x16b1:
+ element = EL_SIGN_HEART;
break;
- case 0x1660: /* (green steel) */
- element = EL_STEEL_CHAR_V;
+ case 0x16b2:
+ element = EL_SIGN_GIVE_WAY;
break;
- case 0x1661: /* (green steel) */
- element = EL_STEEL_CHAR_W;
+ case 0x16b3:
+ element = EL_SIGN_ENTRY_FORBIDDEN;
break;
- case 0x1662: /* (green steel) */
- element = EL_STEEL_CHAR_X;
+ case 0x16b4:
+ element = EL_SIGN_EMERGENCY_EXIT;
break;
- case 0x1663: /* (green steel) */
- element = EL_STEEL_CHAR_Y;
+ case 0x16b5:
+ element = EL_SIGN_YIN_YANG;
break;
- case 0x1664: /* (green steel) */
- element = EL_STEEL_CHAR_Z;
+ case 0x16b6:
+ element = EL_WALL_EMERALD;
break;
- case 0x1665: /* (green steel) */
- element = EL_STEEL_CHAR_AUMLAUT;
+ case 0x16b7:
+ element = EL_WALL_DIAMOND;
break;
- case 0x1666: /* (green steel) */
- element = EL_STEEL_CHAR_OUMLAUT;
+ case 0x16b8:
+ element = EL_WALL_PEARL;
break;
- case 0x1667: /* (green steel) */
- element = EL_STEEL_CHAR_UUMLAUT;
+ case 0x16b9:
+ element = EL_WALL_CRYSTAL;
break;
- case 0x1668: /* (green steel) */
- element = EL_STEEL_CHAR_0;
+ case 0x16ba:
+ element = EL_INVISIBLE_WALL;
break;
- case 0x1669: /* (green steel) */
- element = EL_STEEL_CHAR_1;
+ case 0x16bb:
+ element = EL_INVISIBLE_STEELWALL;
break;
- case 0x166a: /* (green steel) */
- element = EL_STEEL_CHAR_2;
+ /* 0x16bc - 0x16cb: */
+ /* EL_INVISIBLE_SAND */
+
+ case 0x16cc:
+ element = EL_LIGHT_SWITCH;
break;
- case 0x166b: /* (green steel) */
- element = EL_STEEL_CHAR_3;
+ case 0x16cd:
+ element = EL_ENVELOPE_1;
break;
- case 0x166c: /* (green steel) */
- element = EL_STEEL_CHAR_4;
+ default:
+ if (element >= 0x0117 && element <= 0x036e) /* (?) */
+ element = EL_DIAMOND;
+ else if (element >= 0x042d && element <= 0x0684) /* (?) */
+ element = EL_EMERALD;
+ else if (element >= 0x157c && element <= 0x158b)
+ element = EL_SAND;
+ else if (element >= 0x1590 && element <= 0x159f)
+ element = EL_DC_LANDMINE;
+ else if (element >= 0x16bc && element <= 0x16cb)
+ element = EL_INVISIBLE_SAND;
+ else
+ {
+ Error(ERR_WARN, "unknown Diamond Caves element 0x%04x", element);
+ element = EL_UNKNOWN;
+ }
break;
+ }
+
+ return getMappedElement(element);
+}
+
+#if 1
+
+#if 1
+
+static void LoadLevelFromFileStream_DC(File *file, struct LevelInfo *level,
+ int nr)
+{
+ byte header[DC_LEVEL_HEADER_SIZE];
+ int envelope_size;
+ int envelope_header_pos = 62;
+ int envelope_content_pos = 94;
+ int level_name_pos = 251;
+ int level_author_pos = 292;
+ int envelope_header_len;
+ int envelope_content_len;
+ int level_name_len;
+ int level_author_len;
+ int fieldx, fieldy;
+ int num_yamyam_contents;
+ int i, x, y;
+
+ getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */
+
+ for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
+ {
+ unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+
+ header[i * 2 + 0] = header_word >> 8;
+ header[i * 2 + 1] = header_word & 0xff;
+ }
+
+ /* read some values from level header to check level decoding integrity */
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ num_yamyam_contents = header[60] | (header[61] << 8);
+
+ /* do some simple sanity checks to ensure that level was correctly decoded */
+ if (fieldx < 1 || fieldx > 256 ||
+ fieldy < 1 || fieldy > 256 ||
+ num_yamyam_contents < 1 || num_yamyam_contents > 8)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot decode level from stream -- using empty level");
+
+ return;
+ }
+
+ /* maximum envelope header size is 31 bytes */
+ envelope_header_len = header[envelope_header_pos];
+ /* maximum envelope content size is 110 (156?) bytes */
+ envelope_content_len = header[envelope_content_pos];
+
+ /* maximum level title size is 40 bytes */
+ level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN);
+ /* maximum level author size is 30 (51?) bytes */
+ level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
+
+ envelope_size = 0;
+
+ for (i = 0; i < envelope_header_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_header_pos + 1 + i];
+
+ if (envelope_header_len > 0 && envelope_content_len > 0)
+ {
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ }
+
+ for (i = 0; i < envelope_content_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_content_pos + 1 + i];
+
+ level->envelope[0].text[envelope_size] = '\0';
+
+ level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
+ level->envelope[0].ysize = 10;
+ level->envelope[0].autowrap = TRUE;
+ level->envelope[0].centered = TRUE;
+
+ for (i = 0; i < level_name_len; i++)
+ level->name[i] = header[level_name_pos + 1 + i];
+ level->name[level_name_len] = '\0';
+
+ for (i = 0; i < level_author_len; i++)
+ level->author[i] = header[level_author_pos + 1 + i];
+ level->author[level_author_len] = '\0';
+
+ num_yamyam_contents = header[60] | (header[61] << 8);
+ level->num_yamyam_contents =
+ MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
+
+ for (i = 0; i < num_yamyam_contents; i++)
+ {
+ for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
+
+ if (i < MAX_ELEMENT_CONTENTS)
+ level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+ }
+ }
+
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
+
+ for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
+
+ if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
+ level->field[x][y] = getMappedElement_DC(element_dc);
+ }
+
+ x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_1;
+
+ x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_2;
+
+ level->gems_needed = header[18] | (header[19] << 8);
+
+ level->score[SC_EMERALD] = header[20] | (header[21] << 8);
+ level->score[SC_DIAMOND] = header[22] | (header[23] << 8);
+ level->score[SC_PEARL] = header[24] | (header[25] << 8);
+ level->score[SC_CRYSTAL] = header[26] | (header[27] << 8);
+ level->score[SC_NUT] = header[28] | (header[29] << 8);
+ level->score[SC_ROBOT] = header[30] | (header[31] << 8);
+ level->score[SC_SPACESHIP] = header[32] | (header[33] << 8);
+ level->score[SC_BUG] = header[34] | (header[35] << 8);
+ level->score[SC_YAMYAM] = header[36] | (header[37] << 8);
+ level->score[SC_DYNAMITE] = header[38] | (header[39] << 8);
+ level->score[SC_KEY] = header[40] | (header[41] << 8);
+ level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8);
- case 0x166d: /* (green steel) */
- element = EL_STEEL_CHAR_5;
- break;
+ level->time = header[44] | (header[45] << 8);
- case 0x166e: /* (green steel) */
- element = EL_STEEL_CHAR_6;
- break;
+ level->amoeba_speed = header[46] | (header[47] << 8);
+ level->time_light = header[48] | (header[49] << 8);
+ level->time_timegate = header[50] | (header[51] << 8);
+ level->time_wheel = header[52] | (header[53] << 8);
+ level->time_magic_wall = header[54] | (header[55] << 8);
+ level->extra_time = header[56] | (header[57] << 8);
+ level->shield_normal_time = header[58] | (header[59] << 8);
- case 0x166f: /* (green steel) */
- element = EL_STEEL_CHAR_7;
- break;
+ /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
+ can slip down from flat walls, like normal walls and steel walls */
+ level->em_slippery_gems = TRUE;
- case 0x1670: /* (green steel) */
- element = EL_STEEL_CHAR_8;
- break;
+#if 0
+ /* Diamond Caves II levels are always surrounded by indestructible wall, but
+ not necessarily in a rectangular way -- fill with invisible steel wall */
- case 0x1671: /* (green steel) */
- element = EL_STEEL_CHAR_9;
- break;
+ /* !!! not always true !!! keep level and set BorderElement instead !!! */
- case 0x1672: /* (green steel) */
- element = EL_STEEL_CHAR_PERIOD;
- break;
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+#if 1
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ level->field[x][y] = EL_INVISIBLE_STEELWALL;
+#else
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL,
+ level->field, level->fieldx, level->fieldy);
+#endif
+ }
+#endif
+}
- case 0x1673: /* (green steel) */
- element = EL_STEEL_CHAR_EXCLAM;
- break;
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ File *file;
+ int num_magic_bytes = 8;
+ char magic_bytes[num_magic_bytes + 1];
+ int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
- case 0x1674: /* (green steel) */
- element = EL_STEEL_CHAR_COLON;
- break;
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
- case 0x1675: /* (green steel) */
- element = EL_STEEL_CHAR_LESS;
- break;
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
- case 0x1676: /* (green steel) */
- element = EL_STEEL_CHAR_GREATER;
- break;
+ return;
+ }
- case 0x1677: /* (green steel) */
- element = EL_STEEL_CHAR_QUESTION;
- break;
+ // fseek(file, 0x0000, SEEK_SET);
- case 0x1678: /* (green steel) */
- element = EL_STEEL_CHAR_COPYRIGHT;
- break;
+ if (level_file_info->packed)
+ {
+ /* read "magic bytes" from start of file */
+ if (getStringFromFile(file, magic_bytes, num_magic_bytes + 1) == NULL)
+ magic_bytes[0] = '\0';
- case 0x1679: /* (green steel) */
- element = EL_STEEL_CHAR_UP;
- break;
+ /* check "magic bytes" for correct file format */
+ if (!strPrefix(magic_bytes, "DC2"))
+ {
+ level->no_valid_file = TRUE;
- case 0x167a: /* (green steel) */
- element = EL_STEEL_CHAR_DOWN;
- break;
+ Error(ERR_WARN, "unknown DC level file '%s' -- using empty level",
+ filename);
- case 0x167b: /* (green steel) */
- element = EL_STEEL_CHAR_BUTTON;
- break;
+ return;
+ }
- case 0x167c: /* (green steel) */
- element = EL_STEEL_CHAR_PLUS;
- break;
+ if (strPrefix(magic_bytes, "DC2Win95") ||
+ strPrefix(magic_bytes, "DC2Win98"))
+ {
+ int position_first_level = 0x00fa;
+ int extra_bytes = 4;
+ int skip_bytes;
- case 0x167d: /* (green steel) */
- element = EL_STEEL_CHAR_MINUS;
- break;
+ /* advance file stream to first level inside the level package */
+ skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
- case 0x167e: /* (green steel) */
- element = EL_STEEL_CHAR_APOSTROPHE;
- break;
+ /* each block of level data is followed by block of non-level data */
+ num_levels_to_skip *= 2;
- case 0x167f: /* (green steel) */
- element = EL_STEEL_CHAR_PARENLEFT;
- break;
+ /* at least skip header bytes, therefore use ">= 0" instead of "> 0" */
+ while (num_levels_to_skip >= 0)
+ {
+ /* advance file stream to next level inside the level package */
+ if (seekFile(file, skip_bytes, SEEK_CUR) != 0)
+ {
+ level->no_valid_file = TRUE;
- case 0x1680: /* (green steel) */
- element = EL_STEEL_CHAR_PARENRIGHT;
- break;
+ Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level",
+ filename);
- case 0x1681: /* gate (red) */
- element = EL_EM_GATE_1;
- break;
+ return;
+ }
- case 0x1682: /* secret gate (red) */
- element = EL_GATE_1_GRAY;
- break;
+ /* skip apparently unused extra bytes following each level */
+ ReadUnusedBytesFromFile(file, extra_bytes);
- case 0x1683: /* gate (yellow) */
- element = EL_EM_GATE_2;
- break;
+ /* read size of next level in level package */
+ skip_bytes = getFile32BitLE(file);
- case 0x1684: /* secret gate (yellow) */
- element = EL_GATE_2_GRAY;
- break;
+ num_levels_to_skip--;
+ }
+ }
+ else
+ {
+ level->no_valid_file = TRUE;
- case 0x1685: /* gate (blue) */
- element = EL_EM_GATE_4;
- break;
+ Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level",
+ filename);
- case 0x1686: /* secret gate (blue) */
- element = EL_GATE_4_GRAY;
- break;
+ return;
+ }
+ }
- case 0x1687: /* gate (green) */
- element = EL_EM_GATE_3;
- break;
+ LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
- case 0x1688: /* secret gate (green) */
- element = EL_GATE_3_GRAY;
- break;
+ closeFile(file);
+}
- case 0x1689: /* gate (white) */
- element = EL_DC_GATE_WHITE;
- break;
+#else
- case 0x168a: /* secret gate (white) */
- element = EL_DC_GATE_WHITE_GRAY;
- break;
+static void LoadLevelFromFileStream_DC(FILE *file, struct LevelInfo *level,
+ int nr)
+{
+ byte header[DC_LEVEL_HEADER_SIZE];
+ int envelope_size;
+ int envelope_header_pos = 62;
+ int envelope_content_pos = 94;
+ int level_name_pos = 251;
+ int level_author_pos = 292;
+ int envelope_header_len;
+ int envelope_content_len;
+ int level_name_len;
+ int level_author_len;
+ int fieldx, fieldy;
+ int num_yamyam_contents;
+ int i, x, y;
- case 0x168b: /* secret gate (no key) */
- element = EL_DC_GATE_FAKE_GRAY;
- break;
+ getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */
- case 0x168c:
- element = EL_ROBOT_WHEEL;
- break;
+ for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
+ {
+ unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
- case 0x168d:
- element = EL_DC_TIMEGATE_SWITCH;
- break;
+ header[i * 2 + 0] = header_word >> 8;
+ header[i * 2 + 1] = header_word & 0xff;
+ }
- case 0x168e:
- element = EL_ACID_POOL_BOTTOM;
- break;
+ /* read some values from level header to check level decoding integrity */
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ num_yamyam_contents = header[60] | (header[61] << 8);
- case 0x168f:
- element = EL_ACID_POOL_TOPLEFT;
- break;
+ /* do some simple sanity checks to ensure that level was correctly decoded */
+ if (fieldx < 1 || fieldx > 256 ||
+ fieldy < 1 || fieldy > 256 ||
+ num_yamyam_contents < 1 || num_yamyam_contents > 8)
+ {
+ level->no_valid_file = TRUE;
- case 0x1690:
- element = EL_ACID_POOL_TOPRIGHT;
- break;
+ Error(ERR_WARN, "cannot decode level from stream -- using empty level");
- case 0x1691:
- element = EL_ACID_POOL_BOTTOMLEFT;
- break;
+ return;
+ }
- case 0x1692:
- element = EL_ACID_POOL_BOTTOMRIGHT;
- break;
+ /* maximum envelope header size is 31 bytes */
+ envelope_header_len = header[envelope_header_pos];
+ /* maximum envelope content size is 110 (156?) bytes */
+ envelope_content_len = header[envelope_content_pos];
- case 0x1693:
- element = EL_STEELWALL;
- break;
+ /* maximum level title size is 40 bytes */
+ level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN);
+ /* maximum level author size is 30 (51?) bytes */
+ level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
- case 0x1694:
- element = EL_STEELWALL_SLIPPERY;
- break;
+ envelope_size = 0;
- case 0x1695: /* steel wall (not round) */
- element = EL_STEELWALL;
- break;
+ for (i = 0; i < envelope_header_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_header_pos + 1 + i];
- case 0x1696: /* steel wall (left) */
- element = EL_DC_STEELWALL_1_LEFT;
- break;
+ if (envelope_header_len > 0 && envelope_content_len > 0)
+ {
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ }
- case 0x1697: /* steel wall (bottom) */
- element = EL_DC_STEELWALL_1_BOTTOM;
- break;
+ for (i = 0; i < envelope_content_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_content_pos + 1 + i];
- case 0x1698: /* steel wall (right) */
- element = EL_DC_STEELWALL_1_RIGHT;
- break;
+ level->envelope[0].text[envelope_size] = '\0';
- case 0x1699: /* steel wall (top) */
- element = EL_DC_STEELWALL_1_TOP;
- break;
+ level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
+ level->envelope[0].ysize = 10;
+ level->envelope[0].autowrap = TRUE;
+ level->envelope[0].centered = TRUE;
- case 0x169a: /* steel wall (left/bottom) */
- element = EL_DC_STEELWALL_1_BOTTOMLEFT;
- break;
+ for (i = 0; i < level_name_len; i++)
+ level->name[i] = header[level_name_pos + 1 + i];
+ level->name[level_name_len] = '\0';
- case 0x169b: /* steel wall (right/bottom) */
- element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
- break;
+ for (i = 0; i < level_author_len; i++)
+ level->author[i] = header[level_author_pos + 1 + i];
+ level->author[level_author_len] = '\0';
- case 0x169c: /* steel wall (right/top) */
- element = EL_DC_STEELWALL_1_TOPRIGHT;
- break;
+ num_yamyam_contents = header[60] | (header[61] << 8);
+ level->num_yamyam_contents =
+ MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
- case 0x169d: /* steel wall (left/top) */
- element = EL_DC_STEELWALL_1_TOPLEFT;
- break;
+ for (i = 0; i < num_yamyam_contents; i++)
+ {
+ for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
- case 0x169e: /* steel wall (right/bottom small) */
- element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
- break;
+ if (i < MAX_ELEMENT_CONTENTS)
+ level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+ }
+ }
- case 0x169f: /* steel wall (left/bottom small) */
- element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
- break;
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
- case 0x16a0: /* steel wall (right/top small) */
- element = EL_DC_STEELWALL_1_TOPRIGHT_2;
- break;
+ for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+#if 1
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+#else
+ int element_dc = word;
+#endif
- case 0x16a1: /* steel wall (left/top small) */
- element = EL_DC_STEELWALL_1_TOPLEFT_2;
- break;
+ if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
+ level->field[x][y] = getMappedElement_DC(element_dc);
+ }
- case 0x16a2: /* steel wall (left/right) */
- element = EL_DC_STEELWALL_1_VERTICAL;
- break;
+ x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_1;
- case 0x16a3: /* steel wall (top/bottom) */
- element = EL_DC_STEELWALL_1_HORIZONTAL;
- break;
+ x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_2;
- case 0x16a4: /* steel wall 2 (left end) */
- element = EL_DC_STEELWALL_2_LEFT;
- break;
+ level->gems_needed = header[18] | (header[19] << 8);
- case 0x16a5: /* steel wall 2 (right end) */
- element = EL_DC_STEELWALL_2_RIGHT;
- break;
+ level->score[SC_EMERALD] = header[20] | (header[21] << 8);
+ level->score[SC_DIAMOND] = header[22] | (header[23] << 8);
+ level->score[SC_PEARL] = header[24] | (header[25] << 8);
+ level->score[SC_CRYSTAL] = header[26] | (header[27] << 8);
+ level->score[SC_NUT] = header[28] | (header[29] << 8);
+ level->score[SC_ROBOT] = header[30] | (header[31] << 8);
+ level->score[SC_SPACESHIP] = header[32] | (header[33] << 8);
+ level->score[SC_BUG] = header[34] | (header[35] << 8);
+ level->score[SC_YAMYAM] = header[36] | (header[37] << 8);
+ level->score[SC_DYNAMITE] = header[38] | (header[39] << 8);
+ level->score[SC_KEY] = header[40] | (header[41] << 8);
+ level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8);
- case 0x16a6: /* steel wall 2 (top end) */
- element = EL_DC_STEELWALL_2_TOP;
- break;
+ level->time = header[44] | (header[45] << 8);
- case 0x16a7: /* steel wall 2 (bottom end) */
- element = EL_DC_STEELWALL_2_BOTTOM;
- break;
+ level->amoeba_speed = header[46] | (header[47] << 8);
+ level->time_light = header[48] | (header[49] << 8);
+ level->time_timegate = header[50] | (header[51] << 8);
+ level->time_wheel = header[52] | (header[53] << 8);
+ level->time_magic_wall = header[54] | (header[55] << 8);
+ level->extra_time = header[56] | (header[57] << 8);
+ level->shield_normal_time = header[58] | (header[59] << 8);
- case 0x16a8: /* steel wall 2 (left/right) */
- element = EL_DC_STEELWALL_2_HORIZONTAL;
- break;
+ /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
+ can slip down from flat walls, like normal walls and steel walls */
+ level->em_slippery_gems = TRUE;
- case 0x16a9: /* steel wall 2 (up/down) */
- element = EL_DC_STEELWALL_2_VERTICAL;
- break;
+#if 0
+ /* Diamond Caves II levels are always surrounded by indestructible wall, but
+ not necessarily in a rectangular way -- fill with invisible steel wall */
- case 0x16aa: /* steel wall 2 (mid) */
- element = EL_DC_STEELWALL_2_MIDDLE;
- break;
+ /* !!! not always true !!! keep level and set BorderElement instead !!! */
- case 0x16ab:
- element = EL_SIGN_EXCLAMATION;
- break;
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+#if 1
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ level->field[x][y] = EL_INVISIBLE_STEELWALL;
+#else
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == EL_EMPTY)
+ FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL,
+ level->field, level->fieldx, level->fieldy);
+#endif
+ }
+#endif
+}
- case 0x16ac:
- element = EL_SIGN_RADIOACTIVITY;
- break;
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ FILE *file;
+ int num_magic_bytes = 8;
+ char magic_bytes[num_magic_bytes + 1];
+ int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
- case 0x16ad:
- element = EL_SIGN_STOP;
- break;
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
- case 0x16ae:
- element = EL_SIGN_WHEELCHAIR;
- break;
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
- case 0x16af:
- element = EL_SIGN_PARKING;
- break;
+ return;
+ }
- case 0x16b0:
- element = EL_SIGN_NO_ENTRY;
- break;
+ // fseek(file, 0x0000, SEEK_SET);
- case 0x16b1:
- element = EL_SIGN_HEART;
- break;
+ if (level_file_info->packed)
+ {
+ /* read "magic bytes" from start of file */
+ if (fgets(magic_bytes, num_magic_bytes + 1, file) == NULL)
+ magic_bytes[0] = '\0';
- case 0x16b2:
- element = EL_SIGN_GIVE_WAY;
- break;
+ /* check "magic bytes" for correct file format */
+ if (!strPrefix(magic_bytes, "DC2"))
+ {
+ level->no_valid_file = TRUE;
- case 0x16b3:
- element = EL_SIGN_ENTRY_FORBIDDEN;
- break;
+ Error(ERR_WARN, "unknown DC level file '%s' -- using empty level",
+ filename);
- case 0x16b4:
- element = EL_SIGN_EMERGENCY_EXIT;
- break;
+ return;
+ }
- case 0x16b5:
- element = EL_SIGN_YIN_YANG;
- break;
+ if (strPrefix(magic_bytes, "DC2Win95") ||
+ strPrefix(magic_bytes, "DC2Win98"))
+ {
+ int position_first_level = 0x00fa;
+ int extra_bytes = 4;
+ int skip_bytes;
- case 0x16b6:
- element = EL_WALL_EMERALD;
- break;
+ /* advance file stream to first level inside the level package */
+ skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
- case 0x16b7:
- element = EL_WALL_DIAMOND;
- break;
+ /* each block of level data is followed by block of non-level data */
+ num_levels_to_skip *= 2;
- case 0x16b8:
- element = EL_WALL_PEARL;
- break;
+ /* at least skip header bytes, therefore use ">= 0" instead of "> 0" */
+ while (num_levels_to_skip >= 0)
+ {
+ /* advance file stream to next level inside the level package */
+ if (fseek(file, skip_bytes, SEEK_CUR) != 0)
+ {
+ level->no_valid_file = TRUE;
- case 0x16b9:
- element = EL_WALL_CRYSTAL;
- break;
+ Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level",
+ filename);
- case 0x16ba:
- element = EL_INVISIBLE_WALL;
- break;
+ return;
+ }
- case 0x16bb:
- element = EL_INVISIBLE_STEELWALL;
- break;
+ /* skip apparently unused extra bytes following each level */
+ ReadUnusedBytesFromFile(file, extra_bytes);
- /* 0x16bc - 0x16cb: */
- /* EL_INVISIBLE_SAND */
+ /* read size of next level in level package */
+ skip_bytes = getFile32BitLE(file);
- case 0x16cc:
- element = EL_LIGHT_SWITCH;
- break;
+ num_levels_to_skip--;
+ }
+ }
+ else
+ {
+ level->no_valid_file = TRUE;
- case 0x16cd:
- element = EL_ENVELOPE_1;
- break;
+ Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level",
+ filename);
- default:
- if (element >= 0x0117 && element <= 0x036e) /* (?) */
- element = EL_DIAMOND;
- else if (element >= 0x042d && element <= 0x0684) /* (?) */
- element = EL_EMERALD;
- else if (element >= 0x157c && element <= 0x158b)
- element = EL_SAND;
- else if (element >= 0x1590 && element <= 0x159f)
- element = EL_DC_LANDMINE;
- else if (element >= 0x16bc && element <= 0x16cb)
- element = EL_INVISIBLE_SAND;
- else
- {
- Error(ERR_WARN, "unknown Diamond Caves element 0x%04x", element);
- element = EL_UNKNOWN;
- }
- break;
+ return;
+ }
}
- return getMappedElement(element);
+ LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
+
+ fclose(file);
}
-#if 1
+#endif
-static void LoadLevelFromFileStream_DC(FILE *file, struct LevelInfo *level,
- int nr)
+#else
+
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
{
+ char *filename = level_file_info->filename;
+ FILE *file;
+#if 0
+ int nr = level_file_info->nr - leveldir_current->first_level;
+#endif
byte header[DC_LEVEL_HEADER_SIZE];
int envelope_size;
int envelope_header_pos = 62;
int num_yamyam_contents;
int i, x, y;
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+#if 0
+ /* position file stream to the requested level inside the level package */
+ if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename);
+
+ return;
+ }
+#endif
+
getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */
for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
{
level->no_valid_file = TRUE;
- Error(ERR_WARN, "cannot decode level from stream -- using empty level");
+ Error(ERR_WARN, "cannot read level from file '%s' -- using empty level",
+ filename);
return;
}
level->extra_time = header[56] | (header[57] << 8);
level->shield_normal_time = header[58] | (header[59] << 8);
+ fclose(file);
+
/* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
can slip down from flat walls, like normal walls and steel walls */
level->em_slippery_gems = TRUE;
#endif
}
-static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+#endif
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading SB level */
+/* ------------------------------------------------------------------------- */
+
+int getMappedElement_SB(int element_ascii, boolean use_ces)
+{
+ static struct
+ {
+ int ascii;
+ int sb;
+ int ce;
+ }
+ sb_element_mapping[] =
+ {
+ { ' ', EL_EMPTY, EL_CUSTOM_1 }, /* floor (space) */
+ { '#', EL_STEELWALL, EL_CUSTOM_2 }, /* wall */
+ { '@', EL_PLAYER_1, EL_CUSTOM_3 }, /* player */
+ { '$', EL_SOKOBAN_OBJECT, EL_CUSTOM_4 }, /* box */
+ { '.', EL_SOKOBAN_FIELD_EMPTY, EL_CUSTOM_5 }, /* goal square */
+ { '*', EL_SOKOBAN_FIELD_FULL, EL_CUSTOM_6 }, /* box on goal square */
+ { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 }, /* player on goal square */
+#if 0
+ { '_', EL_INVISIBLE_STEELWALL, EL_CUSTOM_8 }, /* floor beyond border */
+#else
+ { '_', EL_INVISIBLE_STEELWALL, EL_FROM_LEVEL_TEMPLATE }, /* floor beyond border */
+#endif
+
+ { 0, -1, -1 },
+ };
+
+ int i;
+
+ for (i = 0; sb_element_mapping[i].ascii != 0; i++)
+ if (element_ascii == sb_element_mapping[i].ascii)
+ return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
+
+ return EL_UNDEFINED;
+}
+
+#if 1
+
+static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
struct LevelFileInfo *level_file_info,
boolean level_info_only)
{
char *filename = level_file_info->filename;
- FILE *file;
- int num_magic_bytes = 8;
- char magic_bytes[num_magic_bytes + 1];
+ char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
+ char last_comment[MAX_LINE_LEN];
+ char level_name[MAX_LINE_LEN];
+ char *line_ptr;
+ File *file;
int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
+ boolean read_continued_line = FALSE;
+ boolean reading_playfield = FALSE;
+ boolean got_valid_playfield_line = FALSE;
+ boolean invalid_playfield_char = FALSE;
+ boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
+ int file_level_nr = 0;
+ int line_nr = 0;
+ int x = 0, y = 0; /* initialized to make compilers happy */
- if (!(file = fopen(filename, MODE_READ)))
+#if 0
+ printf("::: looking for level number %d [%d]\n",
+ level_file_info->nr, num_levels_to_skip);
+#endif
+
+ last_comment[0] = '\0';
+ level_name[0] = '\0';
+
+ if (!(file = openFile(filename, MODE_READ)))
{
level->no_valid_file = TRUE;
return;
}
- // fseek(file, 0x0000, SEEK_SET);
-
- if (level_file_info->packed)
+ while (!checkEndOfFile(file))
{
- /* read "magic bytes" from start of file */
- if (fgets(magic_bytes, num_magic_bytes + 1, file) == NULL)
- magic_bytes[0] = '\0';
-
- /* check "magic bytes" for correct file format */
- if (!strPrefix(magic_bytes, "DC2"))
+ /* level successfully read, but next level may follow here */
+ if (!got_valid_playfield_line && reading_playfield)
{
- level->no_valid_file = TRUE;
+#if 0
+ printf("::: read complete playfield\n");
+#endif
- Error(ERR_WARN, "unknown DC level file '%s' -- using empty level",
- filename);
+ /* read playfield from single level file -- skip remaining file */
+ if (!level_file_info->packed)
+ break;
- return;
- }
+ if (file_level_nr >= num_levels_to_skip)
+ break;
- if (strPrefix(magic_bytes, "DC2Win95") ||
- strPrefix(magic_bytes, "DC2Win98"))
- {
- int position_first_level = 0x00fa;
- int extra_bytes = 4;
- int skip_bytes;
+ file_level_nr++;
- /* advance file stream to first level inside the level package */
- skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
+ last_comment[0] = '\0';
+ level_name[0] = '\0';
- /* each block of level data is followed by block of non-level data */
- num_levels_to_skip *= 2;
+ reading_playfield = FALSE;
+ }
- /* at least skip header bytes, therefore use ">= 0" instead of "> 0" */
- while (num_levels_to_skip >= 0)
- {
- /* advance file stream to next level inside the level package */
- if (fseek(file, skip_bytes, SEEK_CUR) != 0)
- {
- level->no_valid_file = TRUE;
+ got_valid_playfield_line = FALSE;
- Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level",
- filename);
+ /* read next line of input file */
+ if (!getStringFromFile(file, line, MAX_LINE_LEN))
+ break;
- return;
- }
+ /* check if line was completely read and is terminated by line break */
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
+ line_nr++;
- /* skip apparently unused extra bytes following each level */
- ReadUnusedBytesFromFile(file, extra_bytes);
+ /* cut trailing line break (this can be newline and/or carriage return) */
+ for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
+ if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
+ *line_ptr = '\0';
+
+ /* copy raw input line for later use (mainly debugging output) */
+ strcpy(line_raw, line);
+
+ if (read_continued_line)
+ {
+ /* append new line to existing line, if there is enough space */
+ if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
+ strcat(previous_line, line_ptr);
- /* read size of next level in level package */
- skip_bytes = getFile32BitLE(file);
+ strcpy(line, previous_line); /* copy storage buffer to line */
- num_levels_to_skip--;
- }
+ read_continued_line = FALSE;
}
- else
+
+ /* if the last character is '\', continue at next line */
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
{
- level->no_valid_file = TRUE;
+ line[strlen(line) - 1] = '\0'; /* cut off trailing backslash */
+ strcpy(previous_line, line); /* copy line to storage buffer */
- Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level",
- filename);
+ read_continued_line = TRUE;
- return;
+ continue;
}
- }
- LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
+ /* skip empty lines */
+ if (line[0] == '\0')
+ continue;
- fclose(file);
-}
+ /* extract comment text from comment line */
+ if (line[0] == ';')
+ {
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
+ break;
-#else
+ strcpy(last_comment, line_ptr);
-static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
- struct LevelFileInfo *level_file_info)
-{
- char *filename = level_file_info->filename;
- FILE *file;
#if 0
- int nr = level_file_info->nr - leveldir_current->first_level;
+ printf("::: found comment '%s' in line %d\n", last_comment, line_nr);
#endif
- byte header[DC_LEVEL_HEADER_SIZE];
- int envelope_size;
- int envelope_header_pos = 62;
- int envelope_content_pos = 94;
- int level_name_pos = 251;
- int level_author_pos = 292;
- int envelope_header_len;
- int envelope_content_len;
- int level_name_len;
- int level_author_len;
- int fieldx, fieldy;
- int num_yamyam_contents;
- int i, x, y;
- if (!(file = fopen(filename, MODE_READ)))
- {
- level->no_valid_file = TRUE;
+ continue;
+ }
- if (!level_info_only)
- Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+ /* extract level title text from line containing level title */
+ if (line[0] == '\'')
+ {
+ strcpy(level_name, &line[1]);
- return;
- }
+ if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
+ level_name[strlen(level_name) - 1] = '\0';
#if 0
- /* position file stream to the requested level inside the level package */
- if (fseek(file, nr * SP_LEVEL_SIZE, SEEK_SET) != 0)
- {
- level->no_valid_file = TRUE;
-
- Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename);
-
- return;
- }
+ printf("::: found level name '%s' in line %d\n", level_name, line_nr);
#endif
- getDecodedWord_DC(0, TRUE); /* initialize DC2 decoding engine */
+ continue;
+ }
- for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
- {
- unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+ /* skip lines containing only spaces (or empty lines) */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ if (*line_ptr != ' ')
+ break;
+ if (*line_ptr == '\0')
+ continue;
- header[i * 2 + 0] = header_word >> 8;
- header[i * 2 + 1] = header_word & 0xff;
- }
+ /* at this point, we have found a line containing part of a playfield */
- /* read some values from level header to check level decoding integrity */
- fieldx = header[6] | (header[7] << 8);
- fieldy = header[8] | (header[9] << 8);
- num_yamyam_contents = header[60] | (header[61] << 8);
+#if 0
+ printf("::: found playfield row in line %d\n", line_nr);
+#endif
- /* do some simple sanity checks to ensure that level was correctly decoded */
- if (fieldx < 1 || fieldx > 256 ||
- fieldy < 1 || fieldy > 256 ||
- num_yamyam_contents < 1 || num_yamyam_contents > 8)
- {
- level->no_valid_file = TRUE;
+ got_valid_playfield_line = TRUE;
- Error(ERR_WARN, "cannot read level from file '%s' -- using empty level",
- filename);
+ if (!reading_playfield)
+ {
+ reading_playfield = TRUE;
+ invalid_playfield_char = FALSE;
- return;
- }
+ for (x = 0; x < MAX_LEV_FIELDX; x++)
+ for (y = 0; y < MAX_LEV_FIELDY; y++)
+ level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
- /* maximum envelope header size is 31 bytes */
- envelope_header_len = header[envelope_header_pos];
- /* maximum envelope content size is 110 (156?) bytes */
- envelope_content_len = header[envelope_content_pos];
+ level->fieldx = 0;
+ level->fieldy = 0;
- /* maximum level title size is 40 bytes */
- level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN);
- /* maximum level author size is 30 (51?) bytes */
- level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
+ /* start with topmost tile row */
+ y = 0;
+ }
- envelope_size = 0;
+ /* skip playfield line if larger row than allowed */
+ if (y >= MAX_LEV_FIELDY)
+ continue;
- for (i = 0; i < envelope_header_len; i++)
- if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
- level->envelope[0].text[envelope_size++] =
- header[envelope_header_pos + 1 + i];
+ /* start with leftmost tile column */
+ x = 0;
- if (envelope_header_len > 0 && envelope_content_len > 0)
- {
- if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
- level->envelope[0].text[envelope_size++] = '\n';
- if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
- level->envelope[0].text[envelope_size++] = '\n';
- }
+ /* read playfield elements from line */
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
- for (i = 0; i < envelope_content_len; i++)
- if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
- level->envelope[0].text[envelope_size++] =
- header[envelope_content_pos + 1 + i];
+ /* stop parsing playfield line if larger column than allowed */
+ if (x >= MAX_LEV_FIELDX)
+ break;
- level->envelope[0].text[envelope_size] = '\0';
+ if (mapped_sb_element == EL_UNDEFINED)
+ {
+ invalid_playfield_char = TRUE;
- level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
- level->envelope[0].ysize = 10;
- level->envelope[0].autowrap = TRUE;
- level->envelope[0].centered = TRUE;
+ break;
+ }
- for (i = 0; i < level_name_len; i++)
- level->name[i] = header[level_name_pos + 1 + i];
- level->name[level_name_len] = '\0';
+ level->field[x][y] = mapped_sb_element;
- for (i = 0; i < level_author_len; i++)
- level->author[i] = header[level_author_pos + 1 + i];
- level->author[level_author_len] = '\0';
+ /* continue with next tile column */
+ x++;
- num_yamyam_contents = header[60] | (header[61] << 8);
- level->num_yamyam_contents =
- MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
+ level->fieldx = MAX(x, level->fieldx);
+ }
- for (i = 0; i < num_yamyam_contents; i++)
- {
- for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+ if (invalid_playfield_char)
{
- unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
-#if 1
- int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
-#else
- int element_dc = word;
-#endif
+ /* if first playfield line, treat invalid lines as comment lines */
+ if (y == 0)
+ reading_playfield = FALSE;
- if (i < MAX_ELEMENT_CONTENTS)
- level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+ continue;
}
- }
-
- fieldx = header[6] | (header[7] << 8);
- fieldy = header[8] | (header[9] << 8);
- level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
- level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
- for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
- {
- unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
-#if 1
- int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
-#else
- int element_dc = word;
-#endif
-
- if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
- level->field[x][y] = getMappedElement_DC(element_dc);
+ /* continue with next tile row */
+ y++;
}
- x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
- y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
- level->field[x][y] = EL_PLAYER_1;
-
- x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
- y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
- level->field[x][y] = EL_PLAYER_2;
-
- level->gems_needed = header[18] | (header[19] << 8);
+ closeFile(file);
- level->score[SC_EMERALD] = header[20] | (header[21] << 8);
- level->score[SC_DIAMOND] = header[22] | (header[23] << 8);
- level->score[SC_PEARL] = header[24] | (header[25] << 8);
- level->score[SC_CRYSTAL] = header[26] | (header[27] << 8);
- level->score[SC_NUT] = header[28] | (header[29] << 8);
- level->score[SC_ROBOT] = header[30] | (header[31] << 8);
- level->score[SC_SPACESHIP] = header[32] | (header[33] << 8);
- level->score[SC_BUG] = header[34] | (header[35] << 8);
- level->score[SC_YAMYAM] = header[36] | (header[37] << 8);
- level->score[SC_DYNAMITE] = header[38] | (header[39] << 8);
- level->score[SC_KEY] = header[40] | (header[41] << 8);
- level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8);
+ level->fieldy = y;
- level->time = header[44] | (header[45] << 8);
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
- level->amoeba_speed = header[46] | (header[47] << 8);
- level->time_light = header[48] | (header[49] << 8);
- level->time_timegate = header[50] | (header[51] << 8);
- level->time_wheel = header[52] | (header[53] << 8);
- level->time_magic_wall = header[54] | (header[55] << 8);
- level->extra_time = header[56] | (header[57] << 8);
- level->shield_normal_time = header[58] | (header[59] << 8);
+ if (!reading_playfield)
+ {
+ level->no_valid_file = TRUE;
- fclose(file);
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
- /* Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
- can slip down from flat walls, like normal walls and steel walls */
- level->em_slippery_gems = TRUE;
+ return;
+ }
+
+ if (*level_name != '\0')
+ {
+ strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
+ level->name[MAX_LEVEL_NAME_LEN] = '\0';
#if 0
- /* Diamond Caves II levels are always surrounded by indestructible wall, but
- not necessarily in a rectangular way -- fill with invisible steel wall */
+ printf(":1: level name: '%s'\n", level->name);
+#endif
+ }
+ else if (*last_comment != '\0')
+ {
+ strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
+ level->name[MAX_LEVEL_NAME_LEN] = '\0';
- /* !!! not always true !!! keep level and set BorderElement instead !!! */
+#if 0
+ printf(":2: level name: '%s'\n", level->name);
+#endif
+ }
+ else
+ {
+ sprintf(level->name, "--> Level %d <--", level_file_info->nr);
+ }
+ /* set all empty fields beyond the border walls to invisible steel wall */
for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
{
-#if 1
if ((x == 0 || x == level->fieldx - 1 ||
y == 0 || y == level->fieldy - 1) &&
- level->field[x][y] == EL_EMPTY)
- level->field[x][y] = EL_INVISIBLE_STEELWALL;
-#else
- if ((x == 0 || x == level->fieldx - 1 ||
- y == 0 || y == level->fieldy - 1) &&
- level->field[x][y] == EL_EMPTY)
- FloodFillLevel(x, y, EL_INVISIBLE_STEELWALL,
+ level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
+ FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
level->field, level->fieldx, level->fieldy);
-#endif
}
-#endif
-}
-
-#endif
+ /* set special level settings for Sokoban levels */
-/* ------------------------------------------------------------------------- */
-/* functions for loading SB level */
-/* ------------------------------------------------------------------------- */
+ level->time = 0;
+ level->use_step_counter = TRUE;
-int getMappedElement_SB(int element_ascii, boolean use_ces)
-{
- static struct
- {
- int ascii;
- int sb;
- int ce;
- }
- sb_element_mapping[] =
+ if (load_xsb_to_ces)
{
- { ' ', EL_EMPTY, EL_CUSTOM_1 }, /* floor (space) */
- { '#', EL_STEELWALL, EL_CUSTOM_2 }, /* wall */
- { '@', EL_PLAYER_1, EL_CUSTOM_3 }, /* player */
- { '$', EL_SOKOBAN_OBJECT, EL_CUSTOM_4 }, /* box */
- { '.', EL_SOKOBAN_FIELD_EMPTY, EL_CUSTOM_5 }, /* goal square */
- { '*', EL_SOKOBAN_FIELD_FULL, EL_CUSTOM_6 }, /* box on goal square */
- { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 }, /* player on goal square */
-#if 0
- { '_', EL_INVISIBLE_STEELWALL, EL_CUSTOM_8 }, /* floor beyond border */
+#if 1
+ /* !!! special global settings can now be set in level template !!! */
#else
- { '_', EL_INVISIBLE_STEELWALL, EL_FROM_LEVEL_TEMPLATE }, /* floor beyond border */
+ level->initial_player_stepsize[0] = STEPSIZE_SLOW;
#endif
- { 0, -1, -1 },
- };
+ /* fill smaller playfields with padding "beyond border wall" elements */
+ if (level->fieldx < SCR_FIELDX ||
+ level->fieldy < SCR_FIELDY)
+ {
+ short field[level->fieldx][level->fieldy];
+ int new_fieldx = MAX(level->fieldx, SCR_FIELDX);
+ int new_fieldy = MAX(level->fieldy, SCR_FIELDY);
+ int pos_fieldx = (new_fieldx - level->fieldx) / 2;
+ int pos_fieldy = (new_fieldy - level->fieldy) / 2;
- int i;
+ /* copy old playfield (which is smaller than the visible area) */
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ field[x][y] = level->field[x][y];
- for (i = 0; sb_element_mapping[i].ascii != 0; i++)
- if (element_ascii == sb_element_mapping[i].ascii)
- return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
+ /* fill new, larger playfield with "beyond border wall" elements */
+ for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++)
+ level->field[x][y] = getMappedElement_SB('_', load_xsb_to_ces);
- return EL_UNDEFINED;
+ /* copy the old playfield to the middle of the new playfield */
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ level->field[pos_fieldx + x][pos_fieldy + y] = field[x][y];
+
+ level->fieldx = new_fieldx;
+ level->fieldy = new_fieldy;
+ }
+
+ level->use_custom_template = TRUE;
+ }
}
+#else
+
static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
struct LevelFileInfo *level_file_info,
boolean level_info_only)
}
}
+#endif
+
/* ------------------------------------------------------------------------- */
/* functions for handling native levels */
{
int i;
- /* always start with reliable default values (empty tape) */
- TapeErase();
+ /* always start with reliable default values (empty tape) */
+ TapeErase();
+
+ /* default values (also for pre-1.2 tapes) with only the first player */
+ tape.player_participates[0] = TRUE;
+ for (i = 1; i < MAX_PLAYERS; i++)
+ tape.player_participates[i] = FALSE;
+
+ /* at least one (default: the first) player participates in every tape */
+ tape.num_participating_players = 1;
+
+ tape.level_nr = level_nr;
+ tape.counter = 0;
+ tape.changed = FALSE;
+
+ tape.recording = FALSE;
+ tape.playing = FALSE;
+ tape.pausing = FALSE;
+
+ tape.no_valid_file = FALSE;
+}
+
+#if 1
+
+static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
+{
+ tape->file_version = getFileVersion(file);
+ tape->game_version = getFileVersion(file);
+
+ return chunk_size;
+}
+
+static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
+{
+ int i;
+
+ tape->random_seed = getFile32BitBE(file);
+ tape->date = getFile32BitBE(file);
+ tape->length = getFile32BitBE(file);
+
+ /* read header fields that are new since version 1.2 */
+ if (tape->file_version >= FILE_VERSION_1_2)
+ {
+ byte store_participating_players = getFile8Bit(file);
+ int engine_version;
+
+ /* since version 1.2, tapes store which players participate in the tape */
+ tape->num_participating_players = 0;
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ tape->player_participates[i] = FALSE;
+
+ if (store_participating_players & (1 << i))
+ {
+ tape->player_participates[i] = TRUE;
+ tape->num_participating_players++;
+ }
+ }
+
+ ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
+
+ engine_version = getFileVersion(file);
+ if (engine_version > 0)
+ tape->engine_version = engine_version;
+ else
+ tape->engine_version = tape->game_version;
+ }
+
+ return chunk_size;
+}
+
+static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
+{
+ int level_identifier_size;
+ int i;
+
+ level_identifier_size = getFile16BitBE(file);
+
+ tape->level_identifier =
+ checked_realloc(tape->level_identifier, level_identifier_size);
+
+ for (i = 0; i < level_identifier_size; i++)
+ tape->level_identifier[i] = getFile8Bit(file);
+
+ tape->level_nr = getFile16BitBE(file);
+
+ chunk_size = 2 + level_identifier_size + 2;
+
+ return chunk_size;
+}
+
+static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
+{
+ int i, j;
+ int chunk_size_expected =
+ (tape->num_participating_players + 1) * tape->length;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < tape->length; i++)
+ {
+ if (i >= MAX_TAPE_LEN)
+ break;
+
+ for (j = 0; j < MAX_PLAYERS; j++)
+ {
+ tape->pos[i].action[j] = MV_NONE;
+
+ if (tape->player_participates[j])
+ tape->pos[i].action[j] = getFile8Bit(file);
+ }
+
+ tape->pos[i].delay = getFile8Bit(file);
+
+ if (tape->file_version == FILE_VERSION_1_0)
+ {
+ /* eliminate possible diagonal moves in old tapes */
+ /* this is only for backward compatibility */
+
+ byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
+ byte action = tape->pos[i].action[0];
+ int k, num_moves = 0;
+
+ for (k = 0; k<4; k++)
+ {
+ if (action & joy_dir[k])
+ {
+ tape->pos[i + num_moves].action[0] = joy_dir[k];
+ if (num_moves > 0)
+ tape->pos[i + num_moves].delay = 0;
+ num_moves++;
+ }
+ }
+
+ if (num_moves > 1)
+ {
+ num_moves--;
+ i += num_moves;
+ tape->length += num_moves;
+ }
+ }
+ else if (tape->file_version < FILE_VERSION_2_0)
+ {
+ /* convert pre-2.0 tapes to new tape format */
+
+ if (tape->pos[i].delay > 1)
+ {
+ /* action part */
+ tape->pos[i + 1] = tape->pos[i];
+ tape->pos[i + 1].delay = 1;
- /* default values (also for pre-1.2 tapes) with only the first player */
- tape.player_participates[0] = TRUE;
- for (i = 1; i < MAX_PLAYERS; i++)
- tape.player_participates[i] = FALSE;
+ /* delay part */
+ for (j = 0; j < MAX_PLAYERS; j++)
+ tape->pos[i].action[j] = MV_NONE;
+ tape->pos[i].delay--;
- /* at least one (default: the first) player participates in every tape */
- tape.num_participating_players = 1;
+ i++;
+ tape->length++;
+ }
+ }
- tape.level_nr = level_nr;
- tape.counter = 0;
- tape.changed = FALSE;
+ if (checkEndOfFile(file))
+ break;
+ }
- tape.recording = FALSE;
- tape.playing = FALSE;
- tape.pausing = FALSE;
+ if (i != tape->length)
+ chunk_size = (tape->num_participating_players + 1) * i;
- tape.no_valid_file = FALSE;
+ return chunk_size;
}
+#else
+
static int LoadTape_VERS(FILE *file, int chunk_size, struct TapeInfo *tape)
{
tape->file_version = getFileVersion(file);
return chunk_size;
}
+#endif
+
+#if 1
+
+void LoadTape_SokobanSolution(char *filename)
+{
+ File *file;
+ int move_delay = TILESIZE / level.initial_player_stepsize[0];
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ tape.no_valid_file = TRUE;
+
+ return;
+ }
+
+ while (!checkEndOfFile(file))
+ {
+ unsigned char c = getByteFromFile(file);
+
+ if (checkEndOfFile(file))
+ break;
+
+ switch (c)
+ {
+ case 'u':
+ case 'U':
+ tape.pos[tape.length].action[0] = MV_UP;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case 'd':
+ case 'D':
+ tape.pos[tape.length].action[0] = MV_DOWN;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case 'l':
+ case 'L':
+ tape.pos[tape.length].action[0] = MV_LEFT;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case 'r':
+ case 'R':
+ tape.pos[tape.length].action[0] = MV_RIGHT;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case '\n':
+ case '\r':
+ case '\t':
+ case ' ':
+ /* ignore white-space characters */
+ break;
+
+ default:
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported Sokoban solution file '%s' ['%d']", filename, c);
+
+ break;
+ }
+ }
+
+ closeFile(file);
+
+ if (tape.no_valid_file)
+ return;
+
+ tape.length_seconds = GetTapeLength();
+}
+
+#else
+
void LoadTape_SokobanSolution(char *filename)
{
FILE *file;
tape.length_seconds = GetTapeLength();
}
+#endif
+
+#if 1
+
+void LoadTapeFromFilename(char *filename)
+{
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ File *file;
+ int chunk_size;
+
+ /* always start with reliable default values */
+ setTapeInfoToDefaults();
+
+ if (strSuffix(filename, ".sln"))
+ {
+ LoadTape_SokobanSolution(filename);
+
+ return;
+ }
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ tape.no_valid_file = TRUE;
+
+ return;
+ }
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strEqual(chunk_name, "RND1"))
+ {
+ getFile32BitBE(file); /* not used */
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (!strEqual(chunk_name, "TAPE"))
+ {
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of tape file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+ }
+ else /* check for pre-2.0 file format with cookie string */
+ {
+ strcpy(cookie, chunk_name);
+ if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
+ cookie[4] = '\0';
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
+ {
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of tape file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of tape file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ /* pre-2.0 tape files have no game version, so use file version here */
+ tape.game_version = tape.file_version;
+ }
+
+ if (tape.file_version < FILE_VERSION_1_2)
+ {
+ /* tape files from versions before 1.2.0 without chunk structure */
+ LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
+ LoadTape_BODY(file, 2 * tape.length, &tape);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(File *, int, struct TapeInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", TAPE_CHUNK_VERS_SIZE, LoadTape_VERS },
+ { "HEAD", TAPE_CHUNK_HEAD_SIZE, LoadTape_HEAD },
+ { "INFO", -1, LoadTape_INFO },
+ { "BODY", -1, LoadTape_BODY },
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ !strEqual(chunk_name, chunk_info[i].name))
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in 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);
+ }
+ }
+ }
+ }
+
+ closeFile(file);
+
+ tape.length_seconds = GetTapeLength();
+
+#if 0
+ printf("::: tape file version: %d\n", tape.file_version);
+ printf("::: tape game version: %d\n", tape.game_version);
+ printf("::: tape engine version: %d\n", tape.engine_version);
+#endif
+}
+
+#else
+
void LoadTapeFromFilename(char *filename)
{
char cookie[MAX_LINE_LEN];
{
char *name;
int size;
- int (*loader)(FILE *, int, struct TapeInfo *);
+ int (*loader)(File *, int, struct TapeInfo *);
}
chunk_info[] =
{
#endif
}
+#endif
+
void LoadTape(int nr)
{
char *filename = getTapeFilename(nr);
projects / rocksndiamonds.git / commitdiff