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-rw-r--r--scumm/resource.cpp1191
1 files changed, 0 insertions, 1191 deletions
diff --git a/scumm/resource.cpp b/scumm/resource.cpp
index 67fdf23327..6276ca822e 100644
--- a/scumm/resource.cpp
+++ b/scumm/resource.cpp
@@ -38,165 +38,6 @@ static uint16 newTag2Old(uint32 oldTag);
static const char *resTypeFromId(int id);
-
-ScummFile::ScummFile() : _encbyte(0), _subFileStart(0), _subFileLen(0) {
-}
-
-void ScummFile::setEnc(byte value) {
- _encbyte = value;
-}
-
-void ScummFile::setSubfileRange(uint32 start, uint32 len) {
- // TODO: Add sanity checks
- const uint32 fileSize = File::size();
- assert(start <= fileSize);
- assert(start + len <= fileSize);
- _subFileStart = start;
- _subFileLen = len;
- seek(0, SEEK_SET);
-}
-
-void ScummFile::resetSubfile() {
- _subFileStart = 0;
- _subFileLen = 0;
- seek(0, SEEK_SET);
-}
-
-bool ScummFile::open(const char *filename, AccessMode mode) {
- if (File::open(filename, mode)) {
- resetSubfile();
- return true;
- } else {
- return false;
- }
-}
-
-bool ScummFile::openSubFile(const char *filename) {
- assert(isOpen());
-
- // Disable the XOR encryption and reset any current subfile range
- setEnc(0);
- resetSubfile();
-
- // Read in the filename table and look for the specified file
-
- unsigned long file_off, file_len;
- char file_name[0x20+1];
- unsigned long i;
-
- // Get the length of the data file to use for consistency checks
- const uint32 data_file_len = size();
-
- // Read offset and length to the file records */
- const uint32 file_record_off = readUint32BE();
- const uint32 file_record_len = readUint32BE();
-
- // Do a quick check to make sure the offset and length are good
- if (file_record_off + file_record_len > data_file_len) {
- return false;
- }
-
- // Do a little consistancy check on file_record_length
- if (file_record_len % 0x28) {
- return false;
- }
-
- // Scan through the files
- for (i = 0; i < file_record_len; i += 0x28) {
- // read a file record
- seek(file_record_off + i, SEEK_SET);
- file_off = readUint32BE();
- file_len = readUint32BE();
- read(file_name, 0x20);
- file_name[0x20] = 0;
-
- assert(file_name[0]);
- //debug(7, " extracting \'%s\'", file_name);
-
- // Consistency check. make sure the file data is in the file
- if (file_off + file_len > data_file_len) {
- return false;
- }
-
- if (scumm_stricmp(file_name, filename) == 0) {
- // We got a match!
- setSubfileRange(file_off, file_len);
- return true;
- }
- }
-
- return false;
-}
-
-
-bool ScummFile::eof() {
- return _subFileLen ? (pos() >= _subFileLen) : File::eof();
-}
-
-uint32 ScummFile::pos() {
- return File::pos() - _subFileStart;
-}
-
-uint32 ScummFile::size() {
- return _subFileLen ? _subFileLen : File::size();
-}
-
-void ScummFile::seek(int32 offs, int whence) {
- if (_subFileLen) {
- // Constrain the seek to the subfile
- switch (whence) {
- case SEEK_END:
- offs = _subFileStart + _subFileLen - offs;
- break;
- case SEEK_SET:
- offs += _subFileStart;
- break;
- case SEEK_CUR:
- offs += File::pos();
- break;
- }
- assert((int32)_subFileStart <= offs && offs <= (int32)(_subFileStart + _subFileLen));
- whence = SEEK_SET;
- }
- File::seek(offs, whence);
-}
-
-uint32 ScummFile::read(void *ptr, uint32 len) {
- uint32 realLen;
-
- if (_subFileLen) {
- // Limit the amount we read by the subfile boundaries.
- const uint32 curPos = pos();
- assert(_subFileLen >= curPos);
- uint32 newPos = curPos + len;
- if (newPos > _subFileLen) {
- len = _subFileLen - curPos;
- _ioFailed = true;
- }
- }
-
- realLen = File::read(ptr, len);
-
-
- // If an encryption byte was specified, XOR the data we just read by it.
- // This simple kind of "encryption" was used by some of the older SCUMM
- // games.
- if (_encbyte) {
- byte *p = (byte *)ptr;
- byte *end = p + realLen;
- while (p < end)
- *p++ ^= _encbyte;
- }
-
- return realLen;
-}
-
-uint32 ScummFile::write(const void *, uint32) {
- error("ScummFile does not support writing!");
-}
-
-
-
/* Open a room */
void ScummEngine::openRoom(int room) {
int room_offs, roomlimit;
@@ -885,1038 +726,6 @@ int ScummEngine::loadResource(int type, int idx) {
error("Cannot read resource");
}
-int ScummEngine::readSoundResource(int type, int idx) {
- uint32 pos, total_size, size, tag, basetag, max_total_size;
- int pri, best_pri;
- uint32 best_size = 0, best_offs = 0;
-
- debugC(DEBUG_RESOURCE, "readSoundResource(%s,%d)", resTypeFromId(type), idx);
-
- pos = 0;
-
- _fileHandle.readUint32LE();
- max_total_size = _fileHandle.readUint32BE() - 8;
- basetag = fileReadDword();
- total_size = _fileHandle.readUint32BE();
-
- debugC(DEBUG_RESOURCE, " basetag: %s, total_size=%d", tag2str(TO_BE_32(basetag)), total_size);
-
- if (basetag == MKID('MIDI') || basetag == MKID('iMUS')) {
- if (_midiDriver != MD_PCSPK && _midiDriver != MD_PCJR) {
- _fileHandle.seek(-8, SEEK_CUR);
- _fileHandle.read(createResource(type, idx, total_size + 8), total_size + 8);
- return 1;
- }
- } else if (basetag == MKID('SOU ')) {
- best_pri = -1;
- while (pos < total_size) {
- tag = fileReadDword();
- size = _fileHandle.readUint32BE() + 8;
- pos += size;
-
- pri = -1;
-
- switch (tag) {
- case MKID('TOWS'):
- pri = 16;
- break;
- case MKID('SBL '):
- pri = 15;
- break;
- case MKID('ADL '):
- pri = 1;
- if (_midiDriver == MD_ADLIB)
- pri = 10;
- break;
- case MKID('AMI '):
- pri = 3;
- break;
- case MKID('ROL '):
- pri = 3;
- if (_native_mt32)
- pri = 5;
- break;
- case MKID('GMD '):
- pri = 4;
- break;
- case MKID('MAC '):
- pri = 2;
- break;
- case MKID('SPK '):
- pri = -1;
-// if (_midiDriver == MD_PCSPK)
-// pri = 11;
- break;
- }
-
- if ((_midiDriver == MD_PCSPK || _midiDriver == MD_PCJR) && pri != 11)
- pri = -1;
-
- debugC(DEBUG_RESOURCE, " tag: %s, total_size=%d, pri=%d", tag2str(TO_BE_32(tag)), size, pri);
-
-
- if (pri > best_pri) {
- best_pri = pri;
- best_size = size;
- best_offs = _fileHandle.pos();
- }
-
- _fileHandle.seek(size - 8, SEEK_CUR);
- }
-
- if (best_pri != -1) {
- _fileHandle.seek(best_offs - 8, SEEK_SET);
- _fileHandle.read(createResource(type, idx, best_size), best_size);
- return 1;
- }
- } else if (basetag == MKID('Mac0')) {
- _fileHandle.seek(-12, SEEK_CUR);
- total_size = _fileHandle.readUint32BE() - 8;
- byte *ptr = (byte *)calloc(total_size, 1);
- _fileHandle.read(ptr, total_size);
-// dumpResource("sound-", idx, ptr);
- convertMac0Resource(type, idx, ptr, total_size);
- free(ptr);
- return 1;
- } else if (basetag == MKID('Mac1')) {
- _fileHandle.seek(-12, SEEK_CUR);
- total_size = _fileHandle.readUint32BE();
- _fileHandle.read(createResource(type, idx, total_size), total_size - 8);
- return 1;
- } else if (basetag == MKID('HSHD')) {
- _fileHandle.seek(-12, SEEK_CUR);
- total_size = _fileHandle.readUint32BE();
- _fileHandle.read(createResource(type, idx, total_size), total_size - 8);
- return 1;
- } else if (basetag == MKID('TALK')) {
- _fileHandle.seek(-12, SEEK_CUR);
- total_size = _fileHandle.readUint32BE();
- _fileHandle.read(createResource(type, idx, total_size), total_size - 8);
- return 1;
- } else if (basetag == MKID('DIGI')) {
- _fileHandle.seek(-12, SEEK_CUR);
- total_size = _fileHandle.readUint32BE();
- _fileHandle.read(createResource(type, idx, total_size), total_size - 8);
- return 1;
- } else if (basetag == MKID('FMUS')) {
- // Used in 3DO version of puttputt joins the parade and probably others
- // Specifies a separate file to be used for music from what I gather.
- int tmpsize;
- File dmuFile;
- char buffer[128];
- debugC(DEBUG_SOUND, "Found base tag FMUS in sound %d, size %d", idx, total_size);
- debugC(DEBUG_SOUND, "It was at position %d", _fileHandle.pos());
-
- _fileHandle.seek(4, SEEK_CUR);
- // HSHD size
- tmpsize = _fileHandle.readUint32BE();
- // skip to size part of the SDAT block
- _fileHandle.seek(tmpsize - 4, SEEK_CUR);
- // SDAT size
- tmpsize = _fileHandle.readUint32BE();
-
- // SDAT contains name of file we want
- _fileHandle.read(buffer, tmpsize - 8);
- // files seem to be 11 chars (8.3) unused space is replaced by spaces
- *(strstr(buffer, " ")) = '\0';
-
- debugC(DEBUG_SOUND, "FMUS file %s", buffer);
- if (dmuFile.open(buffer) == false) {
- warning("Can't open music file %s*", buffer);
- res.roomoffs[type][idx] = 0xFFFFFFFF;
- return 0;
- }
- dmuFile.seek(4, SEEK_SET);
- total_size = dmuFile.readUint32BE();
- debugC(DEBUG_SOUND, "dmu file size %d", total_size);
- dmuFile.seek(-8, SEEK_CUR);
- dmuFile.read(createResource(type, idx, total_size), total_size);
- dmuFile.close();
- return 1;
- } else if (basetag == MKID('Crea')) {
- _fileHandle.seek(-12, SEEK_CUR);
- total_size = _fileHandle.readUint32BE();
- _fileHandle.read(createResource(type, idx, total_size), total_size - 8);
- return 1;
- } else if (FROM_LE_32(basetag) == max_total_size) {
- _fileHandle.seek(-12, SEEK_CUR);
- total_size = _fileHandle.readUint32BE();
- _fileHandle.seek(-8, SEEK_CUR);
- _fileHandle.read(createResource(type, idx, total_size), total_size);
- return 1;
- } else {
- warning("Unrecognized base tag 0x%08x in sound %d", basetag, idx);
- }
- res.roomoffs[type][idx] = 0xFFFFFFFF;
- return 0;
-}
-
-// Adlib MIDI-SYSEX to set MIDI instruments for small header games.
-static byte ADLIB_INSTR_MIDI_HACK[95] = {
- 0x00, 0xf0, 0x14, 0x7d, 0x00, // sysex 00: part on/off
- 0x00, 0x00, 0x03, // part/channel (offset 5)
- 0x00, 0x00, 0x07, 0x0f, 0x00, 0x00, 0x08, 0x00,
- 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0xf7,
- 0x00, 0xf0, 0x41, 0x7d, 0x10, // sysex 16: set instrument
- 0x00, 0x01, // part/channel (offset 28)
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xf7,
- 0x00, 0xb0, 0x07, 0x64 // Controller 7 = 100 (offset 92)
-};
-
-static const byte map_param[7] = {
- 0, 2, 3, 4, 8, 9, 0,
-};
-
-static const byte freq2note[128] = {
- /*128*/ 6, 6, 6, 6,
- /*132*/ 7, 7, 7, 7, 7, 7, 7,
- /*139*/ 8, 8, 8, 8, 8, 8, 8, 8, 8,
- /*148*/ 9, 9, 9, 9, 9, 9, 9, 9, 9,
- /*157*/ 10, 10, 10, 10, 10, 10, 10, 10, 10,
- /*166*/ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
- /*176*/ 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
- /*186*/ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
- /*197*/ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
- /*209*/ 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
- /*222*/ 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
- /*235*/ 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
- /*249*/ 18, 18, 18, 18, 18, 18, 18
-};
-
-static const uint16 num_steps_table[] = {
- 1, 2, 4, 5,
- 6, 7, 8, 9,
- 10, 12, 14, 16,
- 18, 21, 24, 30,
- 36, 50, 64, 82,
- 100, 136, 160, 192,
- 240, 276, 340, 460,
- 600, 860, 1200, 1600
-};
-
-int ScummEngine::convert_extraflags(byte * ptr, byte * src_ptr) {
- int flags = src_ptr[0];
-
- int t1, t2, t3, t4, time;
- int v1, v2, v3;
-
- if (!(flags & 0x80))
- return -1;
-
- t1 = (src_ptr[1] & 0xf0) >> 3;
- t2 = (src_ptr[2] & 0xf0) >> 3;
- t3 = (src_ptr[3] & 0xf0) >> 3 | (flags & 0x40 ? 0x80 : 0);
- t4 = (src_ptr[3] & 0x0f) << 1;
- v1 = (src_ptr[1] & 0x0f);
- v2 = (src_ptr[2] & 0x0f);
- v3 = 31;
- if ((flags & 0x7) == 0) {
- v1 = v1 + 31 + 8;
- v2 = v2 + 31 + 8;
- } else {
- v1 = v1 * 2 + 31;
- v2 = v2 * 2 + 31;
- }
-
- /* flags a */
- if ((flags & 0x7) == 6)
- ptr[0] = 0;
- else {
- ptr[0] = (flags >> 4) & 0xb;
- ptr[1] = map_param[flags & 0x7];
- }
-
- /* extra a */
- ptr[2] = 0;
- ptr[3] = 0;
- ptr[4] = t1 >> 4;
- ptr[5] = t1 & 0xf;
- ptr[6] = v1 >> 4;
- ptr[7] = v1 & 0xf;
- ptr[8] = t2 >> 4;
- ptr[9] = t2 & 0xf;
- ptr[10] = v2 >> 4;
- ptr[11] = v2 & 0xf;
- ptr[12] = t3 >> 4;
- ptr[13] = t3 & 0xf;
- ptr[14] = t4 >> 4;
- ptr[15] = t4 & 0xf;
- ptr[16] = v3 >> 4;
- ptr[17] = v3 & 0xf;
-
- time = num_steps_table[t1] + num_steps_table[t2]
- + num_steps_table[t3 & 0x7f] + num_steps_table[t4];
- if (flags & 0x20) {
- int playtime = ((src_ptr[4] >> 4) & 0xf) * 118 +
- (src_ptr[4] & 0xf) * 8;
- if (playtime > time)
- time = playtime;
- }
- /*
- time = ((src_ptr[4] >> 4) & 0xf) * 118 +
- (src_ptr[4] & 0xf) * 8;
- */
- return time;
-}
-
-#define kMIDIHeaderSize 46
-static inline byte *writeMIDIHeader(byte *ptr, const char *type, int ppqn, int total_size) {
- uint32 dw = TO_BE_32(total_size);
-
- memcpy(ptr, type, 4); ptr += 4;
- memcpy(ptr, &dw, 4); ptr += 4;
- memcpy(ptr, "MDhd", 4); ptr += 4;
- ptr[0] = 0; ptr[1] = 0; ptr[2] = 0; ptr[3] = 8;
- ptr += 4;
- memset(ptr, 0, 8), ptr += 8;
- memcpy(ptr, "MThd", 4); ptr += 4;
- ptr[0] = 0; ptr[1] = 0; ptr[2] = 0; ptr[3] = 6;
- ptr += 4;
- ptr[0] = 0; ptr[1] = 0; ptr[2] = 0; ptr[3] = 1; // MIDI format 0 with 1 track
- ptr += 4;
-
- *ptr++ = ppqn >> 8;
- *ptr++ = ppqn & 0xFF;
-
- memcpy(ptr, "MTrk", 4); ptr += 4;
- memcpy(ptr, &dw, 4); ptr += 4;
-
- return ptr;
-}
-
-static inline byte *writeVLQ(byte *ptr, int value) {
- if (value > 0x7f) {
- if (value > 0x3fff) {
- *ptr++ = (value >> 14) | 0x80;
- value &= 0x3fff;
- }
- *ptr++ = (value >> 7) | 0x80;
- value &= 0x7f;
- }
- *ptr++ = value;
- return ptr;
-}
-
-static inline byte Mac0ToGMInstrument(uint32 type, int &transpose) {
- transpose = 0;
- switch (type) {
- case MKID('MARI'): return 12;
- case MKID('PLUC'): return 45;
- case MKID('HARM'): return 22;
- case MKID('PIPE'): return 19;
- case MKID('TROM'): transpose = -12; return 57;
- case MKID('STRI'): return 48;
- case MKID('HORN'): return 60;
- case MKID('VIBE'): return 11;
- case MKID('SHAK'): return 77;
- case MKID('PANP'): return 75;
- case MKID('WHIS'): return 76;
- case MKID('ORGA'): return 17;
- case MKID('BONG'): return 115;
- case MKID('BASS'): transpose = -24; return 35;
- default:
- error("Unknown Mac0 instrument %s found", tag2str(type));
- }
-}
-
-void ScummEngine::convertMac0Resource(int type, int idx, byte *src_ptr, int size) {
- /*
- From Markus Magnuson (superqult) we got this information:
- Mac0
- ---
- 4 bytes - 'SOUN'
- BE 4 bytes - block length
-
- 4 bytes - 'Mac0'
- BE 4 bytes - (blockLength - 27)
- 28 bytes - ???
-
- do this three times (once for each channel):
- 4 bytes - 'Chan'
- BE 4 bytes - channel length
- 4 bytes - instrument name (e.g. 'MARI')
-
- do this for ((chanLength-24)/4) times:
- 2 bytes - note duration
- 1 byte - note value
- 1 byte - note velocity
-
- 4 bytes - ???
- 4 bytes - 'Loop'/'Done'
- 4 bytes - ???
-
- 1 byte - 0x09
- ---
-
- Instruments (General Midi):
- "MARI" - Marimba (12)
- "PLUC" - Pizzicato Strings (45)
- "HARM" - Harmonica (22)
- "PIPE" - Church Organ? (19) or Flute? (73) or Bag Pipe (109)
- "TROM" - Trombone (57)
- "STRI" - String Ensemble (48 or 49)
- "HORN" - French Horn? (60) or English Horn? (69)
- "VIBE" - Vibraphone (11)
- "SHAK" - Shakuhachi? (77)
- "PANP" - Pan Flute (75)
- "WHIS" - Whistle (78) / Bottle (76)
- "ORGA" - Drawbar Organ (16; but could also be 17-20)
- "BONG" - Woodblock? (115)
- "BASS" - Bass (32-39)
-
-
- Now the task could be to convert this into MIDI, to be fed into iMuse.
- Or we do something similiar to what is done in Player_V3, assuming
- we can identify SFX in the MI datafiles for each of the instruments
- listed above.
- */
-
-#if 0
- byte *ptr = createResource(type, idx, size);
- memcpy(ptr, src_ptr, size);
-#else
- const int ppqn = 480;
- byte *ptr, *start_ptr;
-
- int total_size = 0;
- total_size += kMIDIHeaderSize; // Header
- total_size += 7; // Tempo META
- total_size += 3 * 3; // Three program change mesages
- total_size += 22; // Possible jump SysEx
- total_size += 5; // EOT META
-
- int i, len;
- byte track_instr[3];
- byte *track_data[3];
- int track_len[3];
- int track_transpose[3];
- bool looped = false;
-
- src_ptr += 8;
- // TODO: Decipher the unknown bytes in the header. For now, skip 'em
- src_ptr += 28;
-
- // Parse the three channels
- for (i = 0; i < 3; i++) {
- assert(*((uint32*)src_ptr) == MKID('Chan'));
- len = READ_BE_UINT32(src_ptr + 4);
- track_len[i] = len - 24;
- track_instr[i] = Mac0ToGMInstrument(*(uint32*)(src_ptr + 8), track_transpose[i]);
- track_data[i] = src_ptr + 12;
- src_ptr += len;
- looped = (*((uint32*)(src_ptr - 8)) == MKID('Loop'));
-
- // For each note event, we need up to 6 bytes for the
- // Note On (3 VLQ, 3 event), and 6 bytes for the Note
- // Off (3 VLQ, 3 event). So 12 bytes total.
- total_size += 12 * track_len[i];
- }
- assert(*src_ptr == 0x09);
-
- // Create sound resource
- start_ptr = createResource(type, idx, total_size);
-
- // Insert MIDI header
- ptr = writeMIDIHeader(start_ptr, "GMD ", ppqn, total_size);
-
- // Write a tempo change Meta event
- // 473 / 4 Hz, convert to micro seconds.
- uint32 dw = 1000000 * 437 / 4 / ppqn; // 1000000 * ppqn * 4 / 473;
- memcpy(ptr, "\x00\xFF\x51\x03", 4); ptr += 4;
- *ptr++ = (byte)((dw >> 16) & 0xFF);
- *ptr++ = (byte)((dw >> 8) & 0xFF);
- *ptr++ = (byte)(dw & 0xFF);
-
- // Insert program change messages
- *ptr++ = 0; // VLQ
- *ptr++ = 0xC0;
- *ptr++ = track_instr[0];
- *ptr++ = 0; // VLQ
- *ptr++ = 0xC1;
- *ptr++ = track_instr[1];
- *ptr++ = 0; // VLQ
- *ptr++ = 0xC2;
- *ptr++ = track_instr[2];
-
- // And now, the actual composition. Please turn all cell phones
- // and pagers off during the performance. Thank you.
- uint16 nextTime[3] = { 1, 1, 1 };
- int stage[3] = { 0, 0, 0 };
-
- while (track_len[0] | track_len[1] | track_len[2]) {
- int best = -1;
- uint16 bestTime = 0xFFFF;
- for (i = 0; i < 3; ++i) {
- if (track_len[i] && nextTime[i] < bestTime) {
- bestTime = nextTime[i];
- best = i;
- }
- }
- assert (best != -1);
-
- if (!stage[best]) {
- // We are STARTING this event.
- if (track_data[best][2] > 1) {
- // Note On
- ptr = writeVLQ(ptr, nextTime[best]);
- *ptr++ = 0x90 | best;
- *ptr++ = track_data[best][2] + track_transpose[best];
- *ptr++ = track_data[best][3] * 127 / 100; // Scale velocity
- for (i = 0; i < 3; ++i)
- nextTime[i] -= bestTime;
- }
- nextTime[best] += READ_BE_UINT16 (track_data[best]);
- stage[best] = 1;
- } else {
- // We are ENDING this event.
- if (track_data[best][2] > 1) {
- // There was a Note On, so do a Note Off
- ptr = writeVLQ(ptr, nextTime[best]);
- *ptr++ = 0x80 | best;
- *ptr++ = track_data[best][2] + track_transpose[best];
- *ptr++ = track_data[best][3] * 127 / 100; // Scale velocity
- for (i = 0; i < 3; ++i)
- nextTime[i] -= bestTime;
- }
- track_data[best] += 4;
- track_len[best] -= 4;
- stage[best] = 0;
- }
- }
-
- // Is this a looped song? If so, effect a loop by
- // using the S&M maybe_jump SysEx command.
- // FIXME: Jamieson630: The jump seems to be happening
- // too quickly! There should maybe be a pause after
- // the last Note Off? But I couldn't find one in the
- // MI1 Lookout music, where I was hearing problems.
- if (looped) {
- memcpy(ptr, "\x00\xf0\x13\x7d\x30\00", 6); ptr += 6; // maybe_jump
- memcpy(ptr, "\x00\x00", 2); ptr += 2; // cmd -> 0 means always jump
- memcpy(ptr, "\x00\x00\x00\x00", 4); ptr += 4; // track -> 0 (only track)
- memcpy(ptr, "\x00\x00\x00\x01", 4); ptr += 4; // beat -> 1 (first beat)
- memcpy(ptr, "\x00\x00\x00\x01", 4); ptr += 4; // tick -> 1
- memcpy(ptr, "\x00\xf7", 2); ptr += 2; // SysEx end marker
- }
-
- // Insert end of song META
- memcpy(ptr, "\x00\xff\x2f\x00\x00", 5); ptr += 5;
-
- assert(ptr <= start_ptr + total_size);
-
- // Rewrite MIDI header, this time with true size
- total_size = ptr - start_ptr;
- ptr = writeMIDIHeader(start_ptr, "GMD ", ppqn, total_size);
-#endif
-}
-
-void ScummEngine::convertADResource(int type, int idx, byte *src_ptr, int size) {
-
- // We will ignore the PPQN in the original resource, because
- // it's invalid anyway. We use a constant PPQN of 480.
- const int ppqn = 480;
- uint32 dw;
- int i, ch;
- byte *ptr;
- int total_size = kMIDIHeaderSize + 7 + 8 * sizeof(ADLIB_INSTR_MIDI_HACK) + size;
- total_size += 24; // Up to 24 additional bytes are needed for the jump sysex
-
- ptr = createResource(type, idx, total_size);
-
- src_ptr += 2;
- size -= 2;
-
- // 0x80 marks a music resource. Otherwise it's a SFX
- if (*src_ptr == 0x80) {
- byte ticks, play_once;
- byte num_instr;
- byte *channel, *instr, *track;
-
- ptr = writeMIDIHeader(ptr, "ADL ", ppqn, total_size);
-
- // The "speed" of the song
- ticks = *(src_ptr + 1);
-
- // Flag that tells us whether we should loop the song (0) or play it only once (1)
- play_once = *(src_ptr + 2);
-
- // Number of instruments used
- num_instr = *(src_ptr + 8); // Normally 8
-
- // copy the pointer to instrument data
- channel = src_ptr + 9;
- instr = src_ptr + 0x11;
-
- // skip over the rest of the header and copy the MIDI data into a buffer
- src_ptr += 0x11 + 8 * 16;
- size -= 0x11 + 8 * 16;
-
- CHECK_HEAP
-
- track = src_ptr;
-
- // Convert the ticks into a MIDI tempo.
- // Unfortunate LOOM and INDY3 have different interpretation
- // of the ticks value.
- if (_gameId == GID_INDY3) {
- // Note: since we fix ppqn at 480, ppqn/473 is almost 1
- dw = 500000 * 256 / 473 * ppqn / ticks;
- } else if (_gameId == GID_LOOM) {
- dw = 500000 * ppqn / 4 / ticks;
- } else {
- dw = 500000 * 256 / ticks;
- }
- debugC(DEBUG_SOUND, " ticks = %d, speed = %ld", ticks, dw);
-
- // Write a tempo change Meta event
- memcpy(ptr, "\x00\xFF\x51\x03", 4); ptr += 4;
- *ptr++ = (byte)((dw >> 16) & 0xFF);
- *ptr++ = (byte)((dw >> 8) & 0xFF);
- *ptr++ = (byte)(dw & 0xFF);
-
- // Copy our hardcoded instrument table into it
- // Then, convert the instrument table as given in this song resource
- // And write it *over* the hardcoded table.
- // Note: we deliberately.
-
- /* now fill in the instruments */
- for (i = 0; i < num_instr; i++) {
- ch = channel[i] - 1;
- if (ch < 0 || ch > 15)
- continue;
-
- if (instr[i*16 + 13])
- warning("Sound %d instrument %d uses percussion", idx, i);
-
- debugC(DEBUG_SOUND, "Sound %d: instrument %d on channel %d.", idx, i, ch);
-
- memcpy(ptr, ADLIB_INSTR_MIDI_HACK, sizeof(ADLIB_INSTR_MIDI_HACK));
-
- ptr[5] += ch;
- ptr[28] += ch;
- ptr[92] += ch;
-
- /* flags_1 */
- ptr[30 + 0] = (instr[i * 16 + 3] >> 4) & 0xf;
- ptr[30 + 1] = instr[i * 16 + 3] & 0xf;
-
- /* oplvl_1 */
- ptr[30 + 2] = (instr[i * 16 + 4] >> 4) & 0xf;
- ptr[30 + 3] = instr[i * 16 + 4] & 0xf;
-
- /* atdec_1 */
- ptr[30 + 4] = ((~instr[i * 16 + 5]) >> 4) & 0xf;
- ptr[30 + 5] = (~instr[i * 16 + 5]) & 0xf;
-
- /* sustrel_1 */
- ptr[30 + 6] = ((~instr[i * 16 + 6]) >> 4) & 0xf;
- ptr[30 + 7] = (~instr[i * 16 + 6]) & 0xf;
-
- /* waveform_1 */
- ptr[30 + 8] = (instr[i * 16 + 7] >> 4) & 0xf;
- ptr[30 + 9] = instr[i * 16 + 7] & 0xf;
-
- /* flags_2 */
- ptr[30 + 10] = (instr[i * 16 + 8] >> 4) & 0xf;
- ptr[30 + 11] = instr[i * 16 + 8] & 0xf;
-
- /* oplvl_2 */
- ptr[30 + 12] = (instr[i * 16 + 9] >> 4) & 0xf;
- ptr[30 + 13] = instr[i * 16 + 9] & 0xf;
-
- /* atdec_2 */
- ptr[30 + 14] = ((~instr[i * 16 + 10]) >> 4) & 0xf;
- ptr[30 + 15] = (~instr[i * 16 + 10]) & 0xf;
-
- /* sustrel_2 */
- ptr[30 + 16] = ((~instr[i * 16 + 11]) >> 4) & 0xf;
- ptr[30 + 17] = (~instr[i * 16 + 11]) & 0xf;
-
- /* waveform_2 */
- ptr[30 + 18] = (instr[i * 16 + 12] >> 4) & 0xf;
- ptr[30 + 19] = instr[i * 16 + 12] & 0xf;
-
- /* feedback */
- ptr[30 + 20] = (instr[i * 16 + 2] >> 4) & 0xf;
- ptr[30 + 21] = instr[i * 16 + 2] & 0xf;
- ptr += sizeof(ADLIB_INSTR_MIDI_HACK);
- }
-
- // There is a constant delay of ppqn/3 before the music starts.
- if (ppqn / 3 >= 128)
- *ptr++ = (ppqn / 3 >> 7) | 0x80;
- *ptr++ = ppqn / 3 & 0x7f;
-
- // Now copy the actual music data
- memcpy(ptr, track, size);
- ptr += size;
-
- if (!play_once) {
- // The song is meant to be looped. We achieve this by inserting just
- // before the song end a jump to the song start. More precisely we abuse
- // a S&M sysex, "maybe_jump" to achieve this effect. We could also
- // use a set_loop sysex, but it's a bit longer, a little more complicated,
- // and has no advantage either.
-
- // First, find the track end
- byte *end = ptr;
- ptr -= size;
- for (; ptr < end; ptr++) {
- if (*ptr == 0xff && *(ptr + 1) == 0x2f)
- break;
- }
- assert(ptr < end);
-
- // Now insert the jump. The jump offset is measured in ticks.
- // We have ppqn/3 ticks before the first note.
-
- const int jump_offset = ppqn / 3;
- memcpy(ptr, "\xf0\x13\x7d\x30\00", 5); ptr += 5; // maybe_jump
- memcpy(ptr, "\x00\x00", 2); ptr += 2; // cmd -> 0 means always jump
- memcpy(ptr, "\x00\x00\x00\x00", 4); ptr += 4; // track -> there is only one track, 0
- memcpy(ptr, "\x00\x00\x00\x01", 4); ptr += 4; // beat -> for now, 1 (first beat)
- // Ticks
- *ptr++ = (byte)((jump_offset >> 12) & 0x0F);
- *ptr++ = (byte)((jump_offset >> 8) & 0x0F);
- *ptr++ = (byte)((jump_offset >> 4) & 0x0F);
- *ptr++ = (byte)(jump_offset & 0x0F);
- memcpy(ptr, "\x00\xf7", 2); ptr += 2; // sysex end marker
- }
- } else {
-
- /* This is a sfx resource. First parse it quickly to find the parallel
- * tracks.
- */
- ptr = writeMIDIHeader(ptr, "ASFX", ppqn, total_size);
-
- byte current_instr[3][14];
- int current_note[3];
- int track_time[3];
- byte *track_data[3];
-
- int track_ctr = 0;
- byte chunk_type = 0;
- int delay, delay2, olddelay;
-
- // Write a tempo change Meta event
- // 473 / 4 Hz, convert to micro seconds.
- dw = 1000000 * ppqn * 4 / 473;
- memcpy(ptr, "\x00\xFF\x51\x03", 4); ptr += 4;
- *ptr++ = (byte)((dw >> 16) & 0xFF);
- *ptr++ = (byte)((dw >> 8) & 0xFF);
- *ptr++ = (byte)(dw & 0xFF);
-
- for (i = 0; i < 3; i++) {
- track_time[i] = -1;
- current_note[i] = -1;
- }
- while (size > 0) {
- assert(track_ctr < 3);
- track_data[track_ctr] = src_ptr;
- track_time[track_ctr] = 0;
- track_ctr++;
- while (size > 0) {
- chunk_type = *(src_ptr);
- if (chunk_type == 1) {
- src_ptr += 15;
- size -= 15;
- } else if (chunk_type == 2) {
- src_ptr += 11;
- size -= 11;
- } else if (chunk_type == 0x80) {
- src_ptr ++;
- size --;
- } else {
- break;
- }
- }
- if (chunk_type == 0xff)
- break;
- src_ptr++;
- }
-
- int curtime = 0;
- for (;;) {
- int mintime = -1;
- ch = -1;
- for (i = 0; i < 3; i++) {
- if (track_time[i] >= 0 &&
- (mintime == -1 || mintime > track_time[i])) {
- mintime = track_time[i];
- ch = i;
- }
- }
- if (mintime < 0)
- break;
-
- src_ptr = track_data[ch];
- chunk_type = *src_ptr;
-
- if (current_note[ch] >= 0) {
- delay = mintime - curtime;
- curtime = mintime;
- ptr = writeVLQ(ptr, delay);
- *ptr++ = 0x80 + ch; // key off channel;
- *ptr++ = current_note[ch];
- *ptr++ = 0;
- current_note[ch] = -1;
- }
-
- switch (chunk_type) {
- case 1:
- /* Instrument definition */
- memcpy(current_instr[ch], src_ptr + 1, 14);
- src_ptr += 15;
- break;
-
- case 2:
- /* tone/parammodulation */
- memcpy(ptr, ADLIB_INSTR_MIDI_HACK,
- sizeof(ADLIB_INSTR_MIDI_HACK));
-
- ptr[5] += ch;
- ptr[28] += ch;
- ptr[92] += ch;
-
- /* flags_1 */
- ptr[30 + 0] = (current_instr[ch][3] >> 4) & 0xf;
- ptr[30 + 1] = current_instr[ch][3] & 0xf;
-
- /* oplvl_1 */
- ptr[30 + 2] = (current_instr[ch][4] >> 4) & 0xf;
- ptr[30 + 3] = current_instr[ch][4] & 0xf;
-
- /* atdec_1 */
- ptr[30 + 4] = ((~current_instr[ch][5]) >> 4) & 0xf;
- ptr[30 + 5] = (~current_instr[ch][5]) & 0xf;
-
- /* sustrel_1 */
- ptr[30 + 6] = ((~current_instr[ch][6]) >> 4) & 0xf;
- ptr[30 + 7] = (~current_instr[ch][6]) & 0xf;
-
- /* waveform_1 */
- ptr[30 + 8] = (current_instr[ch][7] >> 4) & 0xf;
- ptr[30 + 9] = current_instr[ch][7] & 0xf;
-
- /* flags_2 */
- ptr[30 + 10] = (current_instr[ch][8] >> 4) & 0xf;
- ptr[30 + 11] = current_instr[ch][8] & 0xf;
-
- /* oplvl_2 */
- ptr[30 + 12] = ((current_instr[ch][9]) >> 4) & 0xf;
- ptr[30 + 13] = (current_instr[ch][9]) & 0xf;
-
- /* atdec_2 */
- ptr[30 + 14] = ((~current_instr[ch][10]) >> 4) & 0xf;
- ptr[30 + 15] = (~current_instr[ch][10]) & 0xf;
-
- /* sustrel_2 */
- ptr[30 + 16] = ((~current_instr[ch][11]) >> 4) & 0xf;
- ptr[30 + 17] = (~current_instr[ch][11]) & 0xf;
-
- /* waveform_2 */
- ptr[30 + 18] = (current_instr[ch][12] >> 4) & 0xf;
- ptr[30 + 19] = current_instr[ch][12] & 0xf;
-
- /* feedback */
- ptr[30 + 20] = (current_instr[ch][2] >> 4) & 0xf;
- ptr[30 + 21] = current_instr[ch][2] & 0xf;
-
- delay = mintime - curtime;
- curtime = mintime;
-
- {
- delay = convert_extraflags(ptr + 30 + 22, src_ptr + 1);
- delay2 = convert_extraflags(ptr + 30 + 40, src_ptr + 6);
- debugC(DEBUG_SOUND, "delays: %d / %d", delay, delay2);
- if (delay2 >= 0 && delay2 < delay)
- delay = delay2;
- if (delay == -1)
- delay = 0;
- }
-
- /* duration */
- ptr[30 + 58] = 0; // ((delay * 17 / 63) >> 4) & 0xf;
- ptr[30 + 59] = 0; // (delay * 17 / 63) & 0xf;
-
- ptr += sizeof(ADLIB_INSTR_MIDI_HACK);
-
- olddelay = mintime - curtime;
- curtime = mintime;
- ptr = writeVLQ(ptr, olddelay);
-
- {
- int freq = ((current_instr[ch][1] & 3) << 8)
- | current_instr[ch][0];
- if (!freq)
- freq = 0x80;
- freq <<= ((current_instr[ch][1] >> 2) & 7) + 1;
- int note = -11;
- while (freq >= 0x100) {
- note += 12;
- freq >>= 1;
- }
- debugC(DEBUG_SOUND, "Freq: %d (%x) Note: %d", freq, freq, note);
- if (freq < 0x80)
- note = 0;
- else
- note += freq2note[freq - 0x80];
-
- debugC(DEBUG_SOUND, "Note: %d", note);
- if (note <= 0)
- note = 1;
- else if (note > 127)
- note = 127;
-
- // Insert a note on event
- *ptr++ = 0x90 + ch; // key on channel
- *ptr++ = note;
- *ptr++ = 63;
- current_note[ch] = note;
- track_time[ch] = curtime + delay;
- }
- src_ptr += 11;
- break;
-
- case 0x80:
- track_time[ch] = -1;
- src_ptr ++;
- break;
-
- default:
- track_time[ch] = -1;
- }
- track_data[ch] = src_ptr;
- }
- }
-
- // Insert end of song sysex
- memcpy(ptr, "\x00\xff\x2f\x00\x00", 5); ptr += 5;
-}
-
-
-int ScummEngine::readSoundResourceSmallHeader(int type, int idx) {
- uint32 pos, total_size, size, tag;
- uint32 ad_size = 0, ad_offs = 0;
- uint32 ro_size = 0, ro_offs = 0;
- uint32 wa_size = 0, wa_offs = 0;
-
- debug(4, "readSoundResourceSmallHeader(%s,%d)", resTypeFromId(type), idx);
-
- if ((_gameId == GID_LOOM) && (_features & GF_PC) && VAR(VAR_SOUNDCARD) == 4) {
- // Roland resources in Loom are tagless
- // So we add an RO tag to allow imuse to detect format
- byte *ptr, *src_ptr;
- ro_offs = _fileHandle.pos();
- ro_size = _fileHandle.readUint16LE();
-
- src_ptr = (byte *) calloc(ro_size - 4, 1);
- _fileHandle.seek(ro_offs + 4, SEEK_SET);
- _fileHandle.read(src_ptr, ro_size -4);
-
- ptr = createResource(type, idx, ro_size + 2);
- memcpy(ptr, "RO", 2); ptr += 2;
- memcpy(ptr, src_ptr, ro_size - 4); ptr += ro_size - 4;
- return 1;
- } else if (_features & GF_OLD_BUNDLE) {
- wa_offs = _fileHandle.pos();
- wa_size = _fileHandle.readUint16LE();
- _fileHandle.seek(wa_size - 2, SEEK_CUR);
-
- if (!(_features & GF_ATARI_ST || _features & GF_MACINTOSH)) {
- ad_offs = _fileHandle.pos();
- ad_size = _fileHandle.readUint16LE();
- }
- _fileHandle.seek(4, SEEK_CUR);
- total_size = wa_size + ad_size;
- } else {
- total_size = size = _fileHandle.readUint32LE();
- tag = _fileHandle.readUint16LE();
- debug(4, " tag='%c%c', size=%d", (char) (tag & 0xff),
- (char) ((tag >> 8) & 0xff), size);
-
- if (tag == 0x4F52) { // RO
- ro_offs = _fileHandle.pos();
- ro_size = size;
- } else {
- pos = 6;
- while (pos < total_size) {
- size = _fileHandle.readUint32LE();
- tag = _fileHandle.readUint16LE();
- debug(4, " tag='%c%c', size=%d", (char) (tag & 0xff),
- (char) ((tag >> 8) & 0xff), size);
- pos += size;
-
- // MI1 and Indy3 uses one or more nested SO resources, which contains AD and WA
- // resources.
- if ((tag == 0x4441) && !(ad_offs)) { // AD
- ad_size = size;
- ad_offs = _fileHandle.pos();
- } else if ((tag == 0x4157) && !(wa_offs)) { // WA
- wa_size = size;
- wa_offs = _fileHandle.pos();
- } else { // other AD, WA and nested SO resources
- if (tag == 0x4F53) { // SO
- pos -= size;
- size = 6;
- pos += 6;
- }
- }
- _fileHandle.seek(size - 6, SEEK_CUR);
- }
- }
- }
-
- if ((_midiDriver == MD_ADLIB) && ad_offs != 0) {
- // AD resources have a header, instrument definitions and one MIDI track.
- // We build an 'ADL ' resource from that:
- // 8 bytes resource header
- // 16 bytes MDhd header
- // 14 bytes MThd header
- // 8 bytes MTrk header
- // 7 bytes MIDI tempo sysex
- // + some default instruments
- byte *ptr;
- if (_features & GF_OLD_BUNDLE) {
- ptr = (byte *) calloc(ad_size - 4, 1);
- _fileHandle.seek(ad_offs + 4, SEEK_SET);
- _fileHandle.read(ptr, ad_size - 4);
- convertADResource(type, idx, ptr, ad_size - 4);
- free(ptr);
- return 1;
- } else {
- ptr = (byte *) calloc(ad_size - 6, 1);
- _fileHandle.seek(ad_offs, SEEK_SET);
- _fileHandle.read(ptr, ad_size - 6);
- convertADResource(type, idx, ptr, ad_size - 6);
- free(ptr);
- return 1;
- }
- } else if (((_midiDriver == MD_PCJR) || (_midiDriver == MD_PCSPK)) && wa_offs != 0) {
- if (_features & GF_OLD_BUNDLE) {
- _fileHandle.seek(wa_offs, SEEK_SET);
- _fileHandle.read(createResource(type, idx, wa_size), wa_size);
- } else {
- _fileHandle.seek(wa_offs - 6, SEEK_SET);
- _fileHandle.read(createResource(type, idx, wa_size + 6), wa_size + 6);
- }
- return 1;
- } else if (ro_offs != 0) {
- _fileHandle.seek(ro_offs - 2, SEEK_SET);
- _fileHandle.read(createResource(type, idx, ro_size - 4), ro_size - 4);
- return 1;
- }
- res.roomoffs[type][idx] = 0xFFFFFFFF;
- return 0;
-}
-
int ScummEngine::getResourceRoomNr(int type, int idx) {
if (type == rtRoom && _heversion < 70)
return idx;
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