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author | Travis Howell | 2003-07-06 06:47:26 +0000 |
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committer | Travis Howell | 2003-07-06 06:47:26 +0000 |
commit | 81871c5ad02cab6839a15dd4ea0822488b0e991c (patch) | |
tree | 0613ca9c0fb962b00806caa92bd21ac6af24d007 /scumm/sound.cpp | |
parent | 817d600d8ef191e9bd8745f4eff23998b72f313d (diff) | |
download | scummvm-rg350-81871c5ad02cab6839a15dd4ea0822488b0e991c.tar.gz scummvm-rg350-81871c5ad02cab6839a15dd4ea0822488b0e991c.tar.bz2 scummvm-rg350-81871c5ad02cab6839a15dd4ea0822488b0e991c.zip |
zak256 sound updates from Hibernatus
svn-id: r8793
Diffstat (limited to 'scumm/sound.cpp')
-rw-r--r-- | scumm/sound.cpp | 66 |
1 files changed, 36 insertions, 30 deletions
diff --git a/scumm/sound.cpp b/scumm/sound.cpp index 897854ebe5..9a02877b92 100644 --- a/scumm/sound.cpp +++ b/scumm/sound.cpp @@ -308,7 +308,7 @@ void Sound::playSound(int soundID) { return; } else if (_scumm->_features & GF_OLD256) { size = READ_LE_UINT32(ptr); - #if 0 +#if 0 // FIXME - this is just some debug output for Zak256 if (size != 30) { char name[9]; @@ -340,8 +340,7 @@ void Sound::playSound(int soundID) { 83 84 86 88 89 8b 89 89 |........| As you can see, there are quite some patterns, e.g. - the "3c 00 00 00" - the sound data seems to start at - offset 54 = 0x36, but it could also be 0x3c... + the "3c 00 00 00" - the sound data starts at offset 0x36 Indy 3 uses a different format. The very first sound played in Indy 3 looks as follows: @@ -367,11 +366,9 @@ void Sound::playSound(int soundID) { So there seems to be a "SO" chunk which contains again a SO chunk and a WA chunk. WA probably again contains audio data? */ - #endif +#endif rate = 11000; int type = *(ptr + 0x0D); - int loop_start = READ_LE_UINT32(ptr+0x26); - int loop_end = READ_LE_UINT32(ptr+0x2A); // Check if it is a CD playback resource if (type == 2) { @@ -389,29 +386,40 @@ void Sound::playSound(int soundID) { _currentCDSound = soundID; return; } - - ptr += 0x36; - size -= 0x36; - sound = (char *)malloc(size); - for (int x = 0; x < size; x++) { - int bit = *ptr++; - if (bit < 0x80) - sound[x] = 0x7F - bit; - else - sound[x] = bit; - } - - if (loop_end > 0) { - flags |= SoundMixer::FLAG_LOOP; - - if ((loop_end < size) || (loop_start > 0)) { - // FIXME: Implement partial loops - warning("Partial loops not implemented. Loop at 0x%X thru 0x%X", loop_start, loop_end); + // Check if it is sound effect + // FIXME: Remove " || type == 1" when the kazoo tune format is supported + if (type == 0 || type == 1) { + int waveSize = READ_LE_UINT32(ptr + 0x22); + int loopStart = READ_LE_UINT32(ptr + 0x26); + int loopEnd = READ_LE_UINT32(ptr + 0x2A); + + if (size - 0x36 < waveSize) { + warning("Wrong wave size in sound #%i: %i", soundID, waveSize); + waveSize = size - 0x36; } + ptr += 0x36; + sound = (char *)malloc(waveSize); + for (int x = 0; x < waveSize; x++) { + int bit = *ptr++; + if (bit < 0x80) + sound[x] = 0x7F - bit; + else + sound[x] = bit; + } + // FIXME: Remove " && type == 0" when the kazoo tune format is supported + if (loopEnd > 0 && type == 0) { + flags |= SoundMixer::FLAG_LOOP; + if ((loopEnd < waveSize) || (loopStart > 0)) { + // FIXME: Implement partial loops + warning("Partial loops not implemented. Loop at 0x%X thru 0x%X", loopStart, loopEnd); + } + } + _scumm->_mixer->playRaw(NULL, sound, waveSize, 11000, flags, soundID); + return; } - - _scumm->_mixer->playRaw(NULL, sound, size, 11000, flags, soundID); - return; + // TODO: Kazoo tune +// if (type == 1) { +// } } } @@ -463,9 +471,7 @@ void Sound::playSound(int soundID) { // This hack relays on the fact that we currently don't support SFX // in these games, only music. Once we add SFX support, we'll have to // revise it / replace it by a proper fix. - if (_scumm->_features & GF_AMIGA) - return; - else if (ptr) { + if (ptr) { _scumm->_imuse->stop_all_sounds(); } } |