thirdparty/scummvm
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AGOS: Got rid of _masterVolume and replaced with _musicVolume and _sfxVolume so that music and sfx are separately controlled via the Options menu

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svn-id: r33065
This commit is contained in:
Christopher Page 2008-07-14 22:10:04 +00:00
parent d2e8d4831e
commit ebd3510b72
5 changed files with 46 additions and 25 deletions
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54
engines/agos/midi.cpp
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@ -49,7 +49,9 @@ MidiPlayer::MidiPlayer() {
_enable_sfx = true;
_current = 0;
_masterVolume = 255;
_musicVolume = 255;
_sfxVolume = 255;
resetVolumeTable();
_paused = false;
@ -104,10 +106,13 @@ void MidiPlayer::send(uint32 b) {
byte channel = (byte)(b & 0x0F);
if ((b & 0xFFF0) == 0x07B0) {
// Adjust volume changes by master volume.
// Adjust volume changes by master music and master sfx volume.
byte volume = (byte)((b >> 16) & 0x7F);
_current->volume[channel] = volume;
volume = volume * _masterVolume / 255;
if (_current == &_sfx)
volume = volume * _sfxVolume / 255;
else if (_current == &_music)
volume = volume * _musicVolume / 255;
b = (b & 0xFF00FFFF) | (volume << 16);
} else if ((b & 0xF0) == 0xC0 && _map_mt32_to_gm) {
b = (b & 0xFFFF00FF) | (MidiDriver::_mt32ToGm[(b >> 8) & 0xFF] << 8);
@ -133,8 +138,12 @@ void MidiPlayer::send(uint32 b) {
if (!_current->channel[channel])
_current->channel[channel] = (channel == 9) ? _driver->getPercussionChannel() : _driver->allocateChannel();
if (_current->channel[channel]) {
if (channel == 9)
_current->channel[9]->volume(_current->volume[9] * _masterVolume / 255);
if (channel == 9) {
if (_current == &_sfx)
_current->channel[9]->volume(_current->volume[9] * _sfxVolume / 255);
else if (_current == &_music)
_current->channel[9]->volume(_current->volume[9] * _musicVolume / 255);
}
_current->channel[channel]->send(b);
if ((b & 0xFFF0) == 0x79B0) {
// We have received a "Reset All Controllers" message
@ -143,7 +152,10 @@ void MidiPlayer::send(uint32 b) {
// consistent behaviour, explicitly set the volume to
// what we think it should be.
_current->channel[channel]->volume(_current->volume[channel] * _masterVolume / 255);
if (_current == &_sfx)
_current->channel[channel]->volume(_current->volume[channel] * _sfxVolume / 255);
else if (_current == &_music)
_current->channel[channel]->volume(_current->volume[channel] * _musicVolume / 255);
}
}
}
@ -255,30 +267,36 @@ void MidiPlayer::pause(bool b) {
Common::StackLock lock(_mutex);
for (int i = 0; i < 16; ++i) {
if (_music.channel[i])
_music.channel[i]->volume(_paused ? 0 : (_music.volume[i] * _masterVolume / 255));
_music.channel[i]->volume(_paused ? 0 : (_music.volume[i] * _musicVolume / 255));
if (_sfx.channel[i])
_sfx.channel[i]->volume(_paused ? 0 : (_sfx.volume[i] * _masterVolume / 255));
_sfx.channel[i]->volume(_paused ? 0 : (_sfx.volume[i] * _sfxVolume / 255));
}
}
void MidiPlayer::setVolume(int volume) {
if (volume < 0)
volume = 0;
else if (volume > 255)
volume = 255;
void MidiPlayer::setVolume(int musicVol, int sfxVol) {
if (musicVol < 0)
musicVol = 0;
else if (musicVol > 255)
musicVol = 255;
if (sfxVol < 0)
sfxVol = 0;
else if (sfxVol > 255)
sfxVol = 255;
if (_masterVolume == volume)
if (_musicVolume == musicVol && _sfxVolume == sfxVol)
return;
_masterVolume = volume;
_musicVolume = musicVol;
_sfxVolume = sfxVol;
// Now tell all the channels this.
Common::StackLock lock(_mutex);
if (_driver && !_paused) {
for (int i = 0; i < 16; ++i) {
if (_music.channel[i])
_music.channel[i]->volume(_music.volume[i] * _masterVolume / 255);
_music.channel[i]->volume(_music.volume[i] * _musicVolume / 255);
if (_sfx.channel[i])
_sfx.channel[i]->volume(_sfx.volume[i] * _masterVolume / 255);
_sfx.channel[i]->volume(_sfx.volume[i] * _sfxVolume / 255);
}
}
}
@ -354,7 +372,7 @@ void MidiPlayer::resetVolumeTable() {
for (i = 0; i < 16; ++i) {
_music.volume[i] = _sfx.volume[i] = 127;
if (_driver)
_driver->send(((_masterVolume >> 1) << 16) | 0x7B0 | i);
_driver->send(((_musicVolume >> 1) << 16) | 0x7B0 | i);
}
}