#if 1
+#if 0
+ /* fill preceding playfield buffer zone with (indestructible) "hardware" */
+ for (i = -FieldWidth; i < 0; i++)
+ PlayField16[i] = 0x20;
+#endif
+
count = 0;
for (y = 0; y < native_sp_level.height; y++)
for (x = 0; x < native_sp_level.width; x++)
FreezeZonks = LInfo.InitialFreezeZonks;
#if 1
- /* set by main game tape code directly */
+ /* this is set by main game tape code to native random generator directly */
#else
#if 1
LevelLoaded = True;
}
-static void LoadNativeLevelFromFileStream_SP(FILE *file, boolean demo_available)
+static void LoadNativeLevelFromFileStream_SP(FILE *file, int width, int height,
+ boolean demo_available)
{
LevelInfoType *header = &native_sp_level.header;
int i, x, y;
/* for details of the Supaplex level format, see Herman Perk's Supaplex
documentation file "SPFIX63.DOC" from his Supaplex "SpeedFix" package */
- native_sp_level.width = SP_PLAYFIELD_WIDTH;
- native_sp_level.height = SP_PLAYFIELD_HEIGHT;
+ native_sp_level.width = width;
+ native_sp_level.height = height;
/* read level playfield (width * height == 60 * 24 tiles == 1440 bytes) */
for (y = 0; y < native_sp_level.height; y++)
/* random seed used for recorded demos */
header->DemoRandomSeed = getFile16BitLE(file); /* yes, little endian */
+ // header->DemoRandomSeed = getFile16BitBE(file); /* !!! TEST ONLY !!! */
#if 0
printf("::: file.c: DemoRandomSeed == %d\n", header->DemoRandomSeed);
for (i = 0; i < SP_HEADER_SIZE; i++)
native_sp_level.header_raw_bytes[i] = fgetc(file);
- /* also load demo tape, if available */
+ /* also load demo tape, if available (only in single level files) */
if (demo_available)
{
}
}
-boolean LoadNativeLevel_SP(char *filename, int pos)
+boolean LoadNativeLevel_SP(char *filename, int level_pos)
{
FILE *file;
int i, l, x, y;
boolean reading_multipart_level = FALSE;
boolean use_empty_level = FALSE;
LevelInfoType *header = &native_sp_level.header;
- boolean demo_available = (strSuffix(filename, ".sp") ||
- strSuffix(filename, ".SP"));
+ boolean is_single_level_file = (strSuffixLower(filename, ".sp") ||
+ strSuffixLower(filename, ".mpx"));
+ boolean demo_available = is_single_level_file;
+ boolean is_mpx_file = strSuffixLower(filename, ".mpx");
+ int file_seek_pos = level_pos * SP_LEVEL_SIZE;
+ int level_width = SP_PLAYFIELD_WIDTH;
+ int level_height = SP_PLAYFIELD_HEIGHT;
/* always start with reliable default values */
setLevelInfoToDefaults_SP();
if (!(file = fopen(filename, MODE_READ)))
{
- Error(ERR_WARN, "cannot open level '%s' -- using empty level", filename);
+ Error(ERR_WARN, "cannot open file '%s' -- using empty level", filename);
return FALSE;
}
+ if (is_mpx_file)
+ {
+ char mpx_chunk_name[4 + 1];
+ int mpx_version;
+ int mpx_level_count;
+ LevelDescriptor *mpx_level_desc;
+
+ getFileChunkBE(file, mpx_chunk_name, NULL);
+
+ if (!strEqual(mpx_chunk_name, "MPX "))
+ {
+ Error(ERR_WARN, "cannot find MPX ID in file '%s' -- using empty level",
+ filename);
+
+ return FALSE;
+ }
+
+ mpx_version = getFile16BitLE(file);
+
+ if (mpx_version != 1)
+ {
+ Error(ERR_WARN, "unknown MPX version in file '%s' -- using empty level",
+ filename);
+
+ return FALSE;
+ }
+
+ mpx_level_count = getFile16BitLE(file);
+
+ if (mpx_level_count < 1)
+ {
+ Error(ERR_WARN, "no MPX levels found in file '%s' -- using empty level",
+ filename);
+
+ return FALSE;
+ }
+
+ if (level_pos >= mpx_level_count)
+ {
+ Error(ERR_WARN, "MPX level not found in file '%s' -- using empty level",
+ filename);
+
+ return FALSE;
+ }
+
+ mpx_level_desc = checked_calloc(mpx_level_count * sizeof(LevelDescriptor));
+
+ for (i = 0; i < mpx_level_count; i++)
+ {
+ LevelDescriptor *ldesc = &mpx_level_desc[i];
+
+ ldesc->Width = getFile16BitLE(file);
+ ldesc->Height = getFile16BitLE(file);
+ ldesc->OffSet = getFile32BitLE(file); /* starts with 1, not with 0 */
+ ldesc->Size = getFile32BitLE(file);
+ }
+
+ level_width = mpx_level_desc[level_pos].Width;
+ level_height = mpx_level_desc[level_pos].Height;
+
+ file_seek_pos = mpx_level_desc[level_pos].OffSet - 1;
+ }
+
/* position file stream to the requested level (in case of level package) */
- if (fseek(file, pos * SP_LEVEL_SIZE, SEEK_SET) != 0)
+ if (fseek(file, file_seek_pos, SEEK_SET) != 0)
{
Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename);
of the level name, the multi-part level consists of only horizontal or
vertical parts */
- for (l = pos; l < SP_NUM_LEVELS_PER_PACKAGE; l++)
+ for (l = level_pos; l < SP_NUM_LEVELS_PER_PACKAGE; l++)
{
- LoadNativeLevelFromFileStream_SP(file, demo_available);
+ LoadNativeLevelFromFileStream_SP(file, level_width, level_height,
+ demo_available);
/* check if this level is a part of a bigger multi-part level */
+ if (is_single_level_file)
+ break;
+
name_first = header->LevelTitle[0];
name_last = header->LevelTitle[SP_LEVEL_NAME_LEN - 1];
((name_first == '?' || name_first == '1') &&
(name_last == '?' || name_last == '1'));
- /* correct leading multipart level meta information in level name */
- for (i = 0; i < SP_LEVEL_NAME_LEN && header->LevelTitle[i] == name_first; i++)
- header->LevelTitle[i] = '-';
-
- /* correct trailing multipart level meta information in level name */
- for (i = SP_LEVEL_NAME_LEN - 1; i >= 0 && header->LevelTitle[i] == name_last; i--)
- header->LevelTitle[i] = '-';
+ if (is_multipart_level)
+ {
+ /* correct leading multipart level meta information in level name */
+ for (i = 0;
+ i < SP_LEVEL_NAME_LEN && header->LevelTitle[i] == name_first;
+ i++)
+ header->LevelTitle[i] = '-';
+
+ /* correct trailing multipart level meta information in level name */
+ for (i = SP_LEVEL_NAME_LEN - 1;
+ i >= 0 && header->LevelTitle[i] == name_last;
+ i--)
+ header->LevelTitle[i] = '-';
+ }
/* ---------- check for normal single level ---------- */
projects / rocksndiamonds.git / blobdiff