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DREAMWEB: added comment about volumes

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This commit is contained in:
Vladimir Menshakov 2011-06-14 10:32:00 +04:00 committed by Alyssa Milburn
parent 9008f2c442
commit 8a87835638
1 changed files with 10 additions and 0 deletions
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10
engines/dreamweb/dreamweb.cpp
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@ -453,6 +453,16 @@ void DreamWebEngine::soundHandler() {
_context.ax = _context.pop();
uint volume = _context.data.byte(dreamgen::kVolume);
//.vol file loaded into soundbuf:0x4000
//volume table at (volume * 0x100 + 0x3f00)
//volume value could be from 1 to 7
//1 - 0x10-0xff
//2 - 0x1f-0xdf
//3 - 0x2f-0xd0
//4 - 0x3e-0xc1
//5 - 0x4d-0xb2
//6 - 0x5d-0xa2
//7 - 0x6f-0x91
volume = (8 - volume) * Audio::Mixer::kMaxChannelVolume / 8;
_mixer->setChannelVolume(_channelHandle[0], volume);