void Player_AD::stopSound(int sound) {
Common::StackLock lock(_mutex);
if (sound == _soundPlaying) {
stopMusic();
} else {
for (int i = 0; i < ARRAYSIZE(_sfx); ++i) {
if (_sfx[i].resource == sound) {
stopSfx(&_sfx[i]);
}
}
}
}
void AmigaSoundMan_ns::playSfx(const char *filename, uint channel, bool looping, int volume) {
if (channel >= NUM_SFX_CHANNELS) {
warning("unknown sfx channel");
return;
}
stopSfx(channel);
debugC(1, kDebugAudio, "AmigaSoundMan_ns::playSfx(%s, %i)", filename, channel);
Channel *ch = &_channels[channel];
Audio::AudioStream *input = loadChannelData(filename, ch, looping);
if (volume == -1) {
volume = ch->volume;
}
_mixer->playStream(Audio::Mixer::kSFXSoundType, &ch->handle, input, -1, volume);
}
Player_AD::SfxSlot *Player_AD::allocateSfxSlot(int priority) {
// First pass: Check whether there's a unused slot
for (int i = 0; i < ARRAYSIZE(_sfx); ++i) {
if (_sfx[i].resource == -1) {
return &_sfx[i];
}
}
// Second pass: Look for a slot with lower priority
for (int i = 0; i < ARRAYSIZE(_sfx); ++i) {
if (_sfx[i].priority <= priority) {
// Stop the old sfx
stopSfx(&_sfx[i]);
return &_sfx[i];
}
}
return nullptr;
}
void SoundMan_ns::execute(int command, const char *parm = 0) {
uint32 n = strtoul(parm, 0, 10);
bool b = (n == 1) ? true : false;
switch (command) {
case SC_PLAYMUSIC:
if (_musicType == MUSIC_CHARACTER) playCharacterMusic(parm);
else if (_musicType == MUSIC_LOCATION) playLocationMusic(parm);
else playMusic();
break;
case SC_STOPMUSIC:
stopMusic();
break;
case SC_SETMUSICTYPE:
_musicType = n;
break;
case SC_SETMUSICFILE:
setMusicFile(parm);
break;
case SC_PLAYSFX:
playSfx(parm, _sfxChannel, _sfxLooping, _sfxVolume);
break;
case SC_STOPSFX:
stopSfx(n);
break;
case SC_SETSFXCHANNEL:
_sfxChannel = n;
break;
case SC_SETSFXLOOPING:
_sfxLooping = b;
break;
case SC_SETSFXVOLUME:
_sfxVolume = n;
break;
case SC_PAUSE:
pause(b);
break;
}
}
Player_AD::SfxSlot *Player_AD::allocateSfxSlot(int priority) {
// We always reaLlocate the slot with the lowest priority in case none is
// free.
SfxSlot *sfx = nullptr;
int minPrio = priority;
for (int i = 0; i < ARRAYSIZE(_sfx); ++i) {
if (_sfx[i].resource == -1) {
return &_sfx[i];
} else if (_sfx[i].priority <= minPrio) {
minPrio = _sfx[i].priority;
sfx = &_sfx[i];
}
}
// In case we reallocate a slot stop the old one.
if (sfx) {
stopSfx(sfx);
}
return sfx;
}
int Player_AD::allocateHWChannel(int priority, SfxSlot *owner) {
// We always reaLlocate the channel with the lowest priority in case none
// is free.
int channel = -1;
int minPrio = priority;
for (int i = 0; i < _numHWChannels; ++i) {
if (!_hwChannels[i].allocated) {
channel = i;
break;
}
// We don't allow SFX to reallocate their own channels. Otherwise we
// would call stopSfx in the midst of startSfx and that can lead to
// horrible states...
// We also prevent the music from reallocating its own channels like
// in the original.
if (_hwChannels[i].priority <= minPrio && _hwChannels[i].sfxOwner != owner) {
minPrio = _hwChannels[i].priority;
channel = i;
}
}
if (channel != -1) {
// In case the HW channel belongs to a SFX we will completely
// stop playback of that SFX.
// TODO: Maybe be more fine grained in the future and allow
// detachment of individual channels of a SFX?
if (_hwChannels[channel].allocated && _hwChannels[channel].sfxOwner) {
stopSfx(_hwChannels[channel].sfxOwner);
}
_hwChannels[channel].allocated = true;
_hwChannels[channel].priority = priority;
_hwChannels[channel].sfxOwner = owner;
}
return channel;
}
