void QSoundManager::stopAllChannels() {
qsWaveMixFlushChannel(0, QMIX_OPENALL);
for (int idx = 0; idx < 16; ++idx)
_sounds.flushChannel(idx);
resetChannel(10);
}
void QSoundManager::stopSound(int handle) {
resetChannel(10);
for (uint idx = 0; idx < _slots.size(); ++idx) {
Slot &slot = _slots[idx];
if (slot._handle == handle) {
qsWaveMixFlushChannel(slot._channel);
_sounds.flushChannel(slot._channel);
resetChannel(10);
}
}
}
int QSoundManager::resetChannel(int iChannel) {
int newChannel = -1;
int channelStart = 10;
int channelEnd = 16;
if (iChannel != 10) {
qsWaveMixFlushChannel(iChannel);
_sounds.flushChannel(iChannel);
channelStart = iChannel;
channelEnd = iChannel + 1;
} else {
uint ticks = g_vm->_events->getTicksCount();
for (uint idx = 0; idx < _slots.size(); ++idx) {
Slot &slot = _slots[idx];
if (slot._isTimed && slot._ticks && ticks > slot._ticks) {
qsWaveMixFlushChannel(slot._channel);
_sounds.flushChannel(slot._channel);
}
}
}
for (iChannel = channelStart; iChannel < channelEnd; ++iChannel) {
if (qsWaveMixIsChannelDone(iChannel)) {
// Scan through the slots, and reset any slot using the channel
for (uint idx = 0; idx < _slots.size(); ++idx) {
Slot &slot = _slots[idx];
if (slot._channel == iChannel)
slot.clear();
}
// Use the empty channel
newChannel = iChannel;
}
}
return newChannel;
}
void QMixer::qsWaveMixFlushChannel(int iChannel, uint flags) {
if (flags & QMIX_OPENALL) {
// Ignore channel, and flush all the channels
for (uint idx = 0; idx < _channels.size(); ++idx)
qsWaveMixFlushChannel(idx, 0);
} else {
// Flush the specified channel
Common::List<SoundEntry>::iterator i;
Common::List<SoundEntry> &sounds = _channels[iChannel]._sounds;
for (i = sounds.begin(); i != sounds.end(); ++i)
_mixer->stopHandle((*i)._soundHandle);
sounds.clear();
}
}
void QSoundManager::stopChannel(int channel) {
int endChannel;
switch (channel) {
case 0:
case 3:
endChannel = channel + 3;
break;
case 6:
endChannel = 10;
break;
case 10:
endChannel = 48;
break;
default:
return;
}
for (; channel < endChannel; ++channel) {
qsWaveMixFlushChannel(channel);
_sounds.flushChannel(channel);
}
}
