void Music::loadSoundEffect(const Common::String filename, bool loop, bool waitTillFinished) {
stopSoundEffect();
Common::File *file = _vm->_resource->openDataFile(filename, MKTAG('D', 'I', 'F', 'F'));
if (!file)
return;
_vm->_anim->_doBlack = false;
uint32 magicBytes = file->readUint32LE();
if (magicBytes != 1219009121) {
warning("readSound: Bad signature, skipping");
return;
}
uint32 soundTag = file->readUint32LE();
uint32 soundSize = file->readUint32LE();
if (soundTag != 0)
return;
file->skip(soundSize); // skip the header
while (soundTag != 65535) {
_vm->updateEvents();
soundTag = file->readUint32LE();
soundSize = file->readUint32LE() - 8;
if ((soundTag == 30) || (soundTag == 31)) {
if (waitTillFinished) {
while (isSoundEffectActive()) {
_vm->updateEvents();
_vm->waitTOF();
}
}
file->skip(4);
uint16 sampleRate = file->readUint16LE();
file->skip(2);
playSoundEffect(sampleRate, soundSize, loop, file);
} else if (soundTag == 65535) {
if (waitTillFinished) {
while (isSoundEffectActive()) {
_vm->updateEvents();
_vm->waitTOF();
}
}
} else
file->skip(soundSize);
}
}
void Music::readSound(bool waitTillFinished, bool loop, Common::File *file) {
uint32 magicBytes = file->readUint32LE();
if (magicBytes != 1219009121) {
warning("readSound: Bad signature, skipping");
return;
}
uint32 soundTag = file->readUint32LE();
uint32 soundSize = file->readUint32LE();
if (soundTag == 0)
file->skip(soundSize); // skip the header
else
return;
while (soundTag != 65535) {
_vm->updateEvents();
soundTag = file->readUint32LE();
soundSize = file->readUint32LE() - 8;
if ((soundTag == 30) || (soundTag == 31)) {
if (waitTillFinished) {
while (isSoundEffectActive()) {
_vm->updateEvents();
_vm->waitTOF();
}
}
file->skip(4);
uint16 sampleRate = file->readUint16LE();
file->skip(2);
playSoundEffect(sampleRate, soundSize, loop, file);
} else if (soundTag == 65535) {
if (waitTillFinished) {
while (isSoundEffectActive()) {
_vm->updateEvents();
_vm->waitTOF();
}
}
} else
file->skip(soundSize);
}
}
void Music::stopSoundEffect() {
if (isSoundEffectActive())
_vm->_mixer->stopHandle(_sfxHandle);
}
