void SoundEngine::initSound()
{
if( !Configuration::soundenabled )
return;
// This seems to be done, but since I found it in the library documentation it might be code
// needed for a higher version of SDL_Mixer
//int flags = MIX_INIT_OGG;
//int initedFlags = Mix_Init( flags );
//if ( initedFlags != flags )
//{
// dawn_debug_fatal( "Could not initialize all sound modes (Mix_Init left error message \"%s\")", Mix_GetError() );
//}
// Chunksize is 256 since this is the smallest my system can handle.
// Higher chunk sizes seem to make time between click and click sound noticable
if( Mix_OpenAudio(MIX_DEFAULT_FREQUENCY, MIX_DEFAULT_FORMAT, MIX_DEFAULT_CHANNELS, 256) == -1 )
{
dawn_debug_fatal( "Could not open audio (Mix_OpenAudio exited with error message \"%s\")", Mix_GetError() );
}
// this should be enough for the beginning, but we might need to group the channels so each group can take care of
// and fade out old channels if more are needed.
const int totalNumChannels = 64;
int numChannels = Mix_AllocateChannels(totalNumChannels);
dawn_debug_info( "Currently allocated channels for sound = %d", numChannels );
}
void SoundEngine::playSound( std::string soundFile )
{
if( !Configuration::soundenabled )
return;
Mix_Chunk *soundSample = soundCache->getSoundFromCache( soundFile );
int curChannel = Mix_PlayChannel( -1, soundSample, 0 );
if( curChannel == -1 )
{
dawn_debug_fatal( "Could not play sound %s: %s", soundFile.c_str(), Mix_GetError() );
}
logChannelUsage( curChannel );
}
Resolution Resolution::getBestResolution( bool fullscreenPreferred )
{
for ( std::vector<Resolution>::iterator it=possibleResolutions.begin(); it!=possibleResolutions.end(); ++it ) {
Resolution &curRes = *it;
if ( curRes.fullscreen == fullscreenPreferred )
return curRes;
}
// no resolution with wanted fullscreen-mode found. Return first resolution available
if ( possibleResolutions.size() > 0 ) {
return possibleResolutions[0];
}
dawn_debug_fatal("no working resolutions found");
abort();
}
std::string getItemReferenceRestore( CallIndirection *eventHandler )
{
if ( eventHandler == NULL ) {
return "nil;";
}
for ( std::map< std::string, CZone* >::iterator it = Globals::allZones.begin(); it != Globals::allZones.end(); ++it ) {
CZone *curZone = it->second;
bool found;
size_t foundPos;
curZone->findEventHandler( eventHandler, found, foundPos );
if ( found ) {
std::ostringstream oss;
oss << "DawnInterface.restoreEventHandlerReference( \"" << curZone->getZoneName() << "\", " << foundPos << " )";
return oss.str();
}
}
// not found
dawn_debug_fatal( "could not find event handler in any of the zones" );
abort();
}
void SoundEngine::playMusic( std::string musicFile, bool playInLoop )
{
if( !Configuration::soundenabled )
return;
if( currentlyPlayedMusic == musicFile && currentMusicInLoop == playInLoop )
return;
Mix_HaltMusic(); // halts the current played music stream so we don't mix music. Perhaps should be handled in other manners.
Mix_Music *musicSample = musicCache->getMusicFromCache( musicFile );
int loops = 1;
if ( playInLoop )
loops = -1;
if ( Mix_PlayMusic( musicSample, loops ) == -1 ) {
dawn_debug_fatal( "Could not play music %s: %s", musicFile.c_str(), Mix_GetError() );
}
currentlyPlayedMusic = musicFile;
currentMusicInLoop = playInLoop;
}
EquipPosition::EquipPosition Inventory::getEquipType( ItemSlot::ItemSlot itemSlot )
{
switch ( itemSlot )
{
case ItemSlot::HEAD:
return EquipPosition::HEAD;
case ItemSlot::AMULET:
return EquipPosition::AMULET;
case ItemSlot::MAIN_HAND:
return EquipPosition::MAIN_HAND;
case ItemSlot::OFF_HAND:
return EquipPosition::OFF_HAND;
case ItemSlot::BELT:
return EquipPosition::BELT;
case ItemSlot::LEGS:
return EquipPosition::LEGS;
case ItemSlot::SHOULDER:
return EquipPosition::SHOULDER;
case ItemSlot::CHEST:
return EquipPosition::CHEST;
case ItemSlot::GLOVES:
return EquipPosition::GLOVES;
case ItemSlot::CLOAK:
return EquipPosition::CLOAK;
case ItemSlot::BOOTS:
return EquipPosition::BOOTS;
case ItemSlot::RING_ONE:
return EquipPosition::RING;
case ItemSlot::RING_TWO:
return EquipPosition::RING;
case ItemSlot::COUNT:
return EquipPosition::NONE;
}
dawn_debug_fatal("Reached end of Inventory::getEquipType without finding the given ItemSlot. This should not be.");
abort();
}
void SoundEngine::useWalkingSound( bool enabled )
{
if ( ! Configuration::soundenabled )
return;
if ( !enabled && walkingChannel >= 0 ) {
if ( ! Mix_Paused( walkingChannel ) ) {
Mix_Pause( walkingChannel );
}
} else if ( enabled ) {
if ( walkingChannel == -1 ) {
std::string soundFile = "data/sound/walking.ogg";
Mix_Chunk *soundSample = soundCache->getSoundFromCache( soundFile.c_str() );
walkingChannel = Mix_PlayChannel( -1, soundSample, -1 );
if ( walkingChannel == -1 ) {
dawn_debug_fatal( "Could not play sound %s: %s", soundFile.c_str(), Mix_GetError() );
}
dawn_debug_info("using channel %d for walking sound", walkingChannel);
logChannelUsage( walkingChannel );
} else if ( Mix_Paused( walkingChannel ) ) {
Mix_Resume( walkingChannel );
}
}
}
