/* functions for loading Supaplex level */
/* ------------------------------------------------------------------------- */
+void setTapeInfoToDefaults_SP()
+{
+ native_sp_level.demo.is_available = FALSE;
+ native_sp_level.demo.length = 0;
+}
+
void setLevelInfoToDefaults_SP()
{
LevelInfoType *header = &native_sp_level.header;
char *empty_title = "-------- EMPTY --------";
int i, x, y;
- native_sp_level.width = SP_PLAYFIELD_WIDTH;
- native_sp_level.height = SP_PLAYFIELD_HEIGHT;
+ native_sp_level.game_sp = &game_sp;
+
+ native_sp_level.width = SP_STD_PLAYFIELD_WIDTH;
+ native_sp_level.height = SP_STD_PLAYFIELD_HEIGHT;
for (x = 0; x < native_sp_level.width; x++)
for (y = 0; y < native_sp_level.height; y++)
port->FreezeEnemies = 0;
}
- native_sp_level.demo.is_available = FALSE;
- native_sp_level.demo.length = 0;
+ /* set raw header bytes (used for subsequent buffer zone) to "hardware" */
+ for (i = 0; i < SP_HEADER_SIZE; i++)
+ native_sp_level.header_raw_bytes[i] = 0x20;
+
+ setTapeInfoToDefaults_SP();
}
void copyInternalEngineVars_SP()
{
+ char *preceding_playfield_memory[] =
+ {
+ "95 89 95 89 95 89 3b 8a 3b 8a 3b 8a 3b 8a 3b 8a", // |......;.;.;.;.;.|
+ "3b 8a 3b 8a 3b 8a e8 8a e8 8a e8 8a e8 8a e8 8a", // |;.;.;.è.è.è.è.è.|
+ "e8 8a e8 8a e8 8a b1 8b b1 8b b1 8b b1 8b b1 8b", // |è.è.è.±.±.±.±.±.|
+ "b1 8b b1 8b b1 8b 85 8c 85 8c 85 8c 85 8c 85 8c", // |±.±.±...........|
+ "85 8c 85 8c 85 8c 5b 8d 5b 8d 5b 8d 5b 8d 5b 8d", // |......[.[.[.[.[.|
+ "5b 8d 5b 8d 5b 8d 06 8e 06 8e 06 8e 06 8e 06 8e", // |[.[.[...........|
+ "06 8e 06 8e 06 8e ac 8e ac 8e ac 8e ac 8e ac 8e", // |......¬.¬.¬.¬.¬.|
+ "ac 8e ac 8e ac 8e 59 8f 59 8f 59 8f 59 8f 59 8f", // |¬.¬.¬.Y.Y.Y.Y.Y.|
+ "59 8f 59 8f 59 8f 00 00 70 13 00 00 00 00 e8 17", // |Y.Y.Y...p.....è.|
+ "00 00 00 00 00 00 69 38 00 00 00 00 00 00 00 00", // |......i8........|
+ "00 00 00 00 00 00 00 00 d0 86 00 00 b2 34 00 00", // |........Ð...²4..|
+ "00 00 00 00 00 00 8f 8b 1d 34 00 00 00 00 00 00", // |.........4......|
+ "00 00 00 00 23 39 09 09 00 0c 00 08 00 58 00 00", // |....#9.......X..|
+ "00 00 00 25 77 06 7f 00 00 00 01 00 00 00 00 00", // |...%w...........|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 ec 06 26 05 00 00 00", // |.........ì.&....|
+ "00 00 00 01 00 00 00 00 31 32 33 34 35 36 37 38", // |........12345678|
+ "39 30 2d 00 08 00 51 57 45 52 54 59 55 49 4f 50", // |90-...QWERTYUIOP|
+ "00 00 0a 00 41 53 44 46 47 48 4a 4b 4c 00 00 00", // |....ASDFGHJKL...|
+ "00 00 5a 58 43 56 42 4e 4d 00 00 00 00 00 00 20", // |..ZXCVBNM...... |
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 2e 00 1e 00 31 00 14 00 39 00", // |..........1...9.|
+ "1f 00 14 00 18 00 ff ff 01 00 01 4c 45 56 45 4c", // |......ÿÿ...LEVEL|
+ "53 2e 44 41 54 00 00 00 00 00 00 00 00 00 00 00", // |S.DAT...........|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+ "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00", // |................|
+
+ NULL
+ };
+ int preceding_buffer_size = 0;
+ int count;
int i, x, y;
+ for (i = 0; preceding_playfield_memory[i] != NULL; i++)
+ preceding_buffer_size += 8; /* eight 16-bit integer values */
+
+ /* needed for engine snapshots */
+ game_sp.preceding_buffer_size = preceding_buffer_size;
+
LInfo = native_sp_level.header;
FieldWidth = native_sp_level.width;
FileMax = FieldMax + native_sp_level.demo.length;
- PlayField8 = REDIM_1D(sizeof(byte), 0, FileMax + 1 - 1);
- DisPlayField = REDIM_1D(sizeof(byte), 0, FieldMax + 1 - 1);
- PlayField16 = REDIM_1D(sizeof(int), -FieldWidth, FieldMax);
+ PlayField8 = REDIM_1D(sizeof(byte), 0, FileMax);
+ DisPlayField = REDIM_1D(sizeof(byte), 0, FieldMax);
+ PlayField16 = REDIM_1D(sizeof(int), -preceding_buffer_size, FieldMax);
- for (i = 0, y = 0; y < native_sp_level.height; y++)
+ count = 0;
+ for (i = 0; preceding_playfield_memory[i] != NULL; i++)
{
- for (x = 0; x < native_sp_level.width; x++)
+ char *s = preceding_playfield_memory[i];
+ boolean hi_byte = FALSE; /* little endian data => start with low byte */
+
+ while (s[0] != '\0' && s[1] != '\0')
{
- PlayField8[i] = native_sp_level.playfield[x][y];
+ int hi_nibble = s[0] - (s[0] > '9' ? 'a' - 10 : '0');
+ int lo_nibble = s[1] - (s[1] > '9' ? 'a' - 10 : '0');
+ int byte = (hi_nibble << 4) | lo_nibble;
+
+ if (hi_byte)
+ byte <<= 8;
- PlayField16[i] = PlayField8[i];
- DisPlayField[i] = PlayField8[i];
- PlayField8[i] = 0;
+ PlayField16[-preceding_buffer_size + count] |= byte;
- i++;
+ if (hi_byte)
+ count++;
+
+ hi_byte = !hi_byte;
+
+ s += 2;
+
+ while (*s == ' ')
+ s++;
}
}
+ count = 0;
+ for (y = 0; y < native_sp_level.height; y++)
+ for (x = 0; x < native_sp_level.width; x++)
+ PlayField8[count++] = native_sp_level.playfield[x][y];
+
+ /* add raw header bytes to subsequent playfield buffer zone */
+ for (i = 0; i < SP_HEADER_SIZE; i++)
+ PlayField8[count++] = native_sp_level.header_raw_bytes[i];
+
+ for (i = 0; i < count; i++)
+ {
+ PlayField16[i] = PlayField8[i];
+ DisPlayField[i] = PlayField8[i];
+ PlayField8[i] = 0;
+ }
+
if (native_sp_level.demo.is_available)
{
DemoAvailable = True;
AnimationSubTable = REDIM_1D(sizeof(byte), 0, LevelMax - 2 * FieldWidth);
TerminalState = REDIM_1D(sizeof(byte), 0, FieldMax + 1 - 1);
- DemoPointer = FieldMax + 1;
- DemoOffset = DemoPointer;
- DemoKeyRepeatCounter = 0;
-
GravityFlag = LInfo.InitialGravity;
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
- printf("::: file.c: copyInternalEngineVars_SP(): RandomSeed = LInfo.DemoRandomSeed\n");
-#endif
-
RandomSeed = LInfo.DemoRandomSeed;
-
#endif
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++)
/* number of special ("gravity") port entries below (maximum 10 allowed) */
header->SpecialPortCount = getFile8Bit(file);
-#if 0
- printf("::: num_special_ports == %d\n", header->SpecialPortCount);
-#endif
-
/* database of properties of up to 10 special ports (6 bytes per port) */
for (i = 0; i < SP_MAX_SPECIAL_PORTS; i++)
{
which is 2 bytes per tile) */
port->PortLocation = getFile16BitBE(file); /* yes, big endian */
-#if 0
- {
- int port_x = (port->PortLocation / 2) % SP_PLAYFIELD_WIDTH;
- int port_y = (port->PortLocation / 2) / SP_PLAYFIELD_WIDTH;
-
- printf("::: %d: port_location == %d => (%d, %d)\n",
- i, port->PortLocation, port_x, port_y);
- }
-#endif
-
/* change gravity: 1 == "turn on", anything else (0) == "turn off" */
port->Gravity = getFile8Bit(file);
/* random seed used for recorded demos */
header->DemoRandomSeed = getFile16BitLE(file); /* yes, little endian */
-#if 0
- printf("::: file.c: DemoRandomSeed == %d\n", header->DemoRandomSeed);
-#endif
-
/* auto-determine number of infotrons if it was stored as "0" -- see above */
if (header->InfotronsNeeded == 0)
{
header->InfotronsNeeded &= 0xff; /* only use low byte -- see above */
}
- /* also load demo tape, if available */
+ /* 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)
{
}
}
-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_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();
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 ---------- */
multipart_xpos, multipart_ypos, multipart_level.header.LevelTitle);
#endif
- if (multipart_xpos * SP_PLAYFIELD_WIDTH > SP_MAX_PLAYFIELD_WIDTH ||
- multipart_ypos * SP_PLAYFIELD_HEIGHT > SP_MAX_PLAYFIELD_HEIGHT)
+ 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");
}
multipart_level.width = MAX(multipart_level.width,
- multipart_xpos * SP_PLAYFIELD_WIDTH);
+ multipart_xpos * SP_STD_PLAYFIELD_WIDTH);
multipart_level.height = MAX(multipart_level.height,
- multipart_ypos * SP_PLAYFIELD_HEIGHT);
+ multipart_ypos * SP_STD_PLAYFIELD_HEIGHT);
/* copy level part at the right position of multi-part level */
- for (x = 0; x < SP_PLAYFIELD_WIDTH; x++)
+ for (x = 0; x < SP_STD_PLAYFIELD_WIDTH; x++)
{
- for (y = 0; y < SP_PLAYFIELD_HEIGHT; y++)
+ for (y = 0; y < SP_STD_PLAYFIELD_HEIGHT; y++)
{
- int start_x = (multipart_xpos - 1) * SP_PLAYFIELD_WIDTH;
- int start_y = (multipart_ypos - 1) * SP_PLAYFIELD_HEIGHT;
+ 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];
return TRUE;
}
+
+void SaveNativeLevel_SP(char *filename)
+{
+ LevelInfoType *header = &native_sp_level.header;
+ FILE *file;
+ int i, x, y;
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot save native level file '%s'", filename);
+
+ return;
+ }
+
+ /* write level playfield (width * height == 60 * 24 tiles == 1440 bytes) */
+ for (y = 0; y < native_sp_level.height; y++)
+ for (x = 0; x < native_sp_level.width; x++)
+ putFile8Bit(file, native_sp_level.playfield[x][y]);
+
+ /* write level header (96 bytes) */
+
+ WriteUnusedBytesToFile(file, 4);
+
+ putFile8Bit(file, header->InitialGravity);
+ putFile8Bit(file, header->Version);
+
+ for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+ putFile8Bit(file, header->LevelTitle[i]);
+
+ putFile8Bit(file, header->InitialFreezeZonks);
+ putFile8Bit(file, header->InfotronsNeeded);
+ putFile8Bit(file, header->SpecialPortCount);
+
+ for (i = 0; i < SP_MAX_SPECIAL_PORTS; i++)
+ {
+ SpecialPortType *port = &header->SpecialPort[i];
+
+ putFile16BitBE(file, port->PortLocation);
+ putFile8Bit(file, port->Gravity);
+ putFile8Bit(file, port->FreezeZonks);
+ putFile8Bit(file, port->FreezeEnemies);
+
+ WriteUnusedBytesToFile(file, 1);
+ }
+
+ putFile8Bit(file, header->SpeedByte);
+ putFile8Bit(file, header->CheckSumByte);
+ putFile16BitLE(file, header->DemoRandomSeed);
+
+ /* also save demo tape, if available */
+
+ if (native_sp_level.demo.is_available)
+ {
+ putFile8Bit(file, native_sp_level.demo.level_nr);
+
+ for (i = 0; i < native_sp_level.demo.length; i++)
+ putFile8Bit(file, native_sp_level.demo.data[i]);
+ }
+
+ fclose(file);
+}