void EMISound::restoreState(SaveGame *savedState) {
// Clear any current music
flushStack();
setMusicState(0);
freeAllChannels();
// Actually load:
savedState->beginSection('SOUN');
_musicPrefix = savedState->readString();
// Stack:
uint32 stackSize = savedState->readLEUint32();
for (uint32 i = 0; i < stackSize; i++) {
SoundTrack *track = nullptr;
Common::String soundName = savedState->readString();
if (!soundName.empty()) {
track = createEmptyMusicTrack();
if (initTrack(soundName, track)) {
track->play();
track->pause();
} else {
error("Couldn't reopen %s", soundName.c_str());
}
}
_stateStack.push(track);
}
// Currently playing music:
uint32 hasActiveTrack = savedState->readLEUint32();
if (hasActiveTrack) {
_music = createEmptyMusicTrack();
Common::String soundName = savedState->readString();
if (initTrack(soundName, _music)) {
_music->play();
} else {
error("Couldn't reopen %s", soundName.c_str());
}
}
// Channels:
uint32 numChannels = savedState->readLEUint32();
if (numChannels > NUM_CHANNELS) {
error("Save game made with more channels than we have now: %d > %d", numChannels, NUM_CHANNELS);
}
for (uint32 i = 0; i < numChannels; i++) {
uint32 channelIsActive = savedState->readLEUint32();
if (channelIsActive) {
Common::String soundName = savedState->readString();
uint32 volume = savedState->readLEUint32();
uint32 pan = savedState->readLEUint32();
/*uint32 pos = */savedState->readLEUint32();
/*bool isPlaying = */savedState->readByte();
startVoice(soundName.c_str(), volume, pan);
}
}
savedState->endSection();
}
static void doRunUntilShift( traceback **h, a_sym *sym, traceback **ht, unsigned count )
{
index_t sidx;
a_sym *chk_sym;
a_state *state;
a_state *top;
a_reduce_action *raction;
for( ;; ) {
if( *h == NULL ) break;
top = (*h)->state;
if( top == NULL ) {
flushStack( h );
break;
}
state = findNewShiftState( top, sym );
if( state != NULL ) {
pushTrace( h, state, sym );
pushTrace( ht, NULL, sym );
if( sym == eofsym ) {
break;
}
for( ;; ) {
if( *h == NULL ) break;
top = (*h)->state;
if( top->redun->pro == NULL ) break;
performReduce( h, top->redun->pro );
}
break;
}
sidx = sym->idx;
for( raction = top->redun; raction->pro != NULL; ++raction ) {
if( IsBitSet( raction->follow, sidx ) ) {
performReduce( h, raction->pro );
break;
}
}
if( raction->pro == NULL ) {
if( sym != eofsym ) {
/* a syntax error will result */
flushStack( h );
break;
}
if( top->redun->pro != NULL ) {
performReduce( h, top->redun->pro );
} else {
if( count ) {
--count;
chk_sym = findNewShiftSym( top, ht );
} else {
chk_sym = NULL;
}
if( chk_sym != NULL ) {
doRunUntilShift( h, chk_sym, ht, count );
} else {
/* a syntax error will result */
flushStack( h );
break;
}
}
}
}
}
