FieldMax = (FieldWidth * FieldHeight) + HeaderSize - 1;
LevelMax = (FieldWidth * FieldHeight) - 1;
-#if 0
- /* (add one byte for the level number stored as first byte of demo data) */
- FileMax = FieldMax + native_sp_level.demo.length + 1;
-#endif
-
-#if 0
- PlayField8 = REDIM_1D(sizeof(byte), 0, FileMax);
- DisPlayField = REDIM_1D(sizeof(byte), 0, FieldMax);
- PlayField16 = REDIM_1D(sizeof(int), -game_sp.preceding_buffer_size, FieldMax);
-#endif
-
/* initialize preceding playfield buffer */
for (i = -game_sp.preceding_buffer_size; i < 0; i++)
PlayField16[i] = 0;
}
if (native_sp_level.demo.is_available)
- {
DemoAvailable = True;
-#if 0
- /* !!! NEVER USED !!! */
- PlayField8[FieldMax + 1] = native_sp_level.demo.level_nr;
-
- /* !!! NEVER USED !!! */
- for (i = 0; i < native_sp_level.demo.length; i++)
- PlayField8[FieldMax + 2 + i] = native_sp_level.demo.data[i];
-#endif
- }
-
-#if 0
- AnimationPosTable = REDIM_1D(sizeof(int), 0, LevelMax - 2 * FieldWidth);
- AnimationSubTable = REDIM_1D(sizeof(byte), 0, LevelMax - 2 * FieldWidth);
- TerminalState = REDIM_1D(sizeof(byte), 0, FieldMax);
-#endif
-
GravityFlag = LInfo.InitialGravity;
FreezeZonks = LInfo.InitialFreezeZonks;
-#if 1
- /* this is set by main game tape code to native random generator directly */
-#else
- RandomSeed = LInfo.DemoRandomSeed;
-#endif
-
LevelLoaded = True;
-}
-#if 1
+ /* random seed set by main game tape code to native random generator seed */
+}
static void LoadNativeLevelFromFileStream_SP(File *file, int width, int height,
boolean demo_available)
}
}
-#else
-
-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 = MIN(width, SP_MAX_PLAYFIELD_WIDTH);
- native_sp_level.height = MIN(height, SP_MAX_PLAYFIELD_HEIGHT);
-
- /* read level playfield (width * height == 60 * 24 tiles == 1440 bytes) */
- /* (MPX levels may have non-standard playfield size -- check max. size) */
- for (y = 0; y < height; y++)
- {
- for (x = 0; x < width; x++)
- {
- byte element = getFile8Bit(file);
-
- if (x < SP_MAX_PLAYFIELD_WIDTH &&
- y < SP_MAX_PLAYFIELD_HEIGHT)
- native_sp_level.playfield[x][y] = element;
- }
- }
-
- /* read level header (96 bytes) */
-
- ReadUnusedBytesFromFile(file, 4); /* (not used by Supaplex engine) */
-
- /* initial gravity: 1 == "on", anything else (0) == "off" */
- header->InitialGravity = getFile8Bit(file);
-
- /* SpeedFixVersion XOR 0x20 */
- header->Version = getFile8Bit(file);
-
- /* level title in uppercase letters, padded with dashes ("-") (23 bytes) */
- for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
- header->LevelTitle[i] = getFile8Bit(file);
-
- /* initial "freeze zonks": 2 == "on", anything else (0, 1) == "off" */
- header->InitialFreezeZonks = getFile8Bit(file);
-
- /* number of infotrons needed; 0 means that Supaplex will count the total
- amount of infotrons in the level and use the low byte of that number
- (a multiple of 256 infotrons will result in "0 infotrons needed"!) */
- header->InfotronsNeeded = getFile8Bit(file);
-
- /* number of special ("gravity") port entries below (maximum 10 allowed) */
- header->SpecialPortCount = getFile8Bit(file);
-
- /* database of properties of up to 10 special ports (6 bytes per port) */
- for (i = 0; i < SP_MAX_SPECIAL_PORTS; i++)
- {
- SpecialPortType *port = &header->SpecialPort[i];
-
- /* high and low byte of the location of a special port; if (x, y) are the
- coordinates of a port in the field and (0, 0) is the top-left corner,
- the 16 bit value here calculates as 2 * (x + (y * 60)) (this is twice
- of what may be expected: Supaplex works with a game field in memory
- which is 2 bytes per tile) */
- port->PortLocation = getFile16BitBE(file); /* yes, big endian */
-
- /* change gravity: 1 == "turn on", anything else (0) == "turn off" */
- port->Gravity = getFile8Bit(file);
-
- /* "freeze zonks": 2 == "turn on", anything else (0, 1) == "turn off" */
- port->FreezeZonks = getFile8Bit(file);
-
- /* "freeze enemies": 1 == "turn on", anything else (0) == "turn off" */
- port->FreezeEnemies = getFile8Bit(file);
-
- ReadUnusedBytesFromFile(file, 1); /* (not used by Supaplex engine) */
- }
-
- /* SpeedByte XOR Highbyte(RandomSeed) */
- header->SpeedByte = getFile8Bit(file);
-
- /* CheckSum XOR SpeedByte */
- header->CheckSumByte = getFile8Bit(file);
-
- /* random seed used for recorded demos */
- header->DemoRandomSeed = getFile16BitLE(file); /* yes, little endian */
-
- /* auto-determine number of infotrons if it was stored as "0" -- see above */
- if (header->InfotronsNeeded == 0)
- {
- for (x = 0; x < native_sp_level.width; x++)
- for (y = 0; y < native_sp_level.height; y++)
- if (native_sp_level.playfield[x][y] == fiInfotron)
- header->InfotronsNeeded++;
-
- header->InfotronsNeeded &= 0xff; /* only use low byte -- see above */
- }
-
- /* read raw level header bytes (96 bytes) */
-
- fseek(file, -(SP_HEADER_SIZE), SEEK_CUR); /* rewind file */
- for (i = 0; i < SP_HEADER_SIZE; i++)
- native_sp_level.header_raw_bytes[i] = fgetc(file);
-
- /* also load demo tape, if available (only in single level files) */
-
- if (demo_available)
- {
- int level_nr = getFile8Bit(file);
-
- level_nr &= 0x7f; /* clear highest bit */
- level_nr = (level_nr < 1 ? 1 :
- level_nr > 111 ? 111 : level_nr);
-
- native_sp_level.demo.level_nr = level_nr;
-
- for (i = 0; i < SP_MAX_TAPE_LEN && !feof(file); i++)
- {
- native_sp_level.demo.data[i] = getFile8Bit(file);
-
- if (native_sp_level.demo.data[i] == 0xff) /* "end of demo" byte */
- {
- i++;
-
- break;
- }
- }
-
- native_sp_level.demo.length = i;
- native_sp_level.demo.is_available = (native_sp_level.demo.length > 0);
- }
-}
-
-#endif
-
-#if 1
-
boolean LoadNativeLevel_SP(char *filename, int level_pos,
boolean level_info_only)
{
multipart_xpos = (int)(name_first - '0');
multipart_ypos = (int)(name_last - '0');
-#if 0
- printf("----------> part (%d/%d) of multi-part level '%s'\n",
- multipart_xpos, multipart_ypos, multipart_level.header.LevelTitle);
-#endif
-
if (multipart_xpos * SP_STD_PLAYFIELD_WIDTH > SP_MAX_PLAYFIELD_WIDTH ||
multipart_ypos * SP_STD_PLAYFIELD_HEIGHT > SP_MAX_PLAYFIELD_HEIGHT)
{
return TRUE;
}
-#else
-
-boolean LoadNativeLevel_SP(char *filename, int level_pos,
- boolean level_info_only)
-{
- FILE *file;
- int i, l, x, y;
- char name_first, name_last;
- struct LevelInfo_SP multipart_level;
- int multipart_xpos, multipart_ypos;
- boolean is_multipart_level;
- boolean is_first_part;
- boolean reading_multipart_level = FALSE;
- boolean use_empty_level = FALSE;
- LevelInfoType *header = &native_sp_level.header;
- 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_STD_LEVEL_SIZE;
- int level_width = SP_STD_PLAYFIELD_WIDTH;
- int level_height = SP_STD_PLAYFIELD_HEIGHT;
-
- /* always start with reliable default values */
- setLevelInfoToDefaults_SP();
- copyInternalEngineVars_SP();
-
- if (!(file = fopen(filename, MODE_READ)))
- {
- if (!level_info_only)
- 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, file_seek_pos, SEEK_SET) != 0)
- {
- Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level", filename);
-
- return FALSE;
- }
-
- /* there exist Supaplex level package files with multi-part levels which
- can be detected as follows: instead of leading and trailing dashes ('-')
- to pad the level name, they have leading and trailing numbers which are
- the x and y coordinations of the current part of the multi-part level;
- if there are '?' characters instead of numbers on the left or right side
- of the level name, the multi-part level consists of only horizontal or
- vertical parts */
-
- for (l = level_pos; l < SP_NUM_LEVELS_PER_PACKAGE; l++)
- {
- 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];
-
- is_multipart_level =
- ((name_first == '?' || (name_first >= '0' && name_first <= '9')) &&
- (name_last == '?' || (name_last >= '0' && name_last <= '9')));
-
- is_first_part =
- ((name_first == '?' || name_first == '1') &&
- (name_last == '?' || name_last == '1'));
-
- 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 ---------- */
-
- if (!reading_multipart_level && !is_multipart_level)
- {
- /* the current level is simply a normal single-part level, and we are
- not reading a multi-part level yet, so return the level as it is */
-
- break;
- }
-
- /* ---------- check for empty level (unused multi-part) ---------- */
-
- if (!reading_multipart_level && is_multipart_level && !is_first_part)
- {
- /* this is a part of a multi-part level, but not the first part
- (and we are not already reading parts of a multi-part level);
- in this case, use an empty level instead of the single part */
-
- use_empty_level = TRUE;
-
- break;
- }
-
- /* ---------- check for finished multi-part level ---------- */
-
- if (reading_multipart_level &&
- (!is_multipart_level ||
- !strEqualN(header->LevelTitle, multipart_level.header.LevelTitle,
- SP_LEVEL_NAME_LEN)))
- {
- /* we are already reading parts of a multi-part level, but this level is
- either not a multi-part level, or a part of a different multi-part
- level; in both cases, the multi-part level seems to be complete */
-
- break;
- }
-
- /* ---------- here we have one part of a multi-part level ---------- */
-
- reading_multipart_level = TRUE;
-
- if (is_first_part) /* start with first part of new multi-part level */
- {
- /* copy level info structure from first part */
- multipart_level = native_sp_level;
-
- /* clear playfield of new multi-part level */
- for (x = 0; x < SP_MAX_PLAYFIELD_WIDTH; x++)
- for (y = 0; y < SP_MAX_PLAYFIELD_HEIGHT; y++)
- multipart_level.playfield[x][y] = fiSpace;
- }
-
- if (name_first == '?')
- name_first = '1';
- if (name_last == '?')
- name_last = '1';
-
- multipart_xpos = (int)(name_first - '0');
- multipart_ypos = (int)(name_last - '0');
-
-#if 0
- printf("----------> part (%d/%d) of multi-part level '%s'\n",
- multipart_xpos, multipart_ypos, multipart_level.header.LevelTitle);
-#endif
-
- if (multipart_xpos * SP_STD_PLAYFIELD_WIDTH > SP_MAX_PLAYFIELD_WIDTH ||
- multipart_ypos * SP_STD_PLAYFIELD_HEIGHT > SP_MAX_PLAYFIELD_HEIGHT)
- {
- Error(ERR_WARN, "multi-part level is too big -- ignoring part of it");
-
- break;
- }
-
- multipart_level.width = MAX(multipart_level.width,
- multipart_xpos * SP_STD_PLAYFIELD_WIDTH);
- multipart_level.height = MAX(multipart_level.height,
- multipart_ypos * SP_STD_PLAYFIELD_HEIGHT);
-
- /* copy level part at the right position of multi-part level */
- for (x = 0; x < SP_STD_PLAYFIELD_WIDTH; x++)
- {
- for (y = 0; y < SP_STD_PLAYFIELD_HEIGHT; y++)
- {
- int start_x = (multipart_xpos - 1) * SP_STD_PLAYFIELD_WIDTH;
- int start_y = (multipart_ypos - 1) * SP_STD_PLAYFIELD_HEIGHT;
-
- multipart_level.playfield[start_x + x][start_y + y] =
- native_sp_level.playfield[x][y];
- }
- }
- }
-
- fclose(file);
-
- if (use_empty_level)
- {
- setLevelInfoToDefaults_SP();
-
- Error(ERR_WARN, "single part of multi-part level -- using empty level");
- }
-
- if (reading_multipart_level)
- native_sp_level = multipart_level;
-
- copyInternalEngineVars_SP();
-
- return TRUE;
-}
-
-#endif
-
void SaveNativeLevel_SP(char *filename)
{
LevelInfoType *header = &native_sp_level.header;
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