static ALuint GetSound(const std::string& name)
{
BufferMap::iterator iter = sounds.find(name);
if (iter != sounds.end())
return iter->second;
size_t length;
ALubyte* data = GetSoundData("Sounds/" + name, length);
ALuint buf = alureCreateBufferFromMemory(data, length);
free(data);
sounds.insert(std::make_pair(name, buf));
return buf;
}
static ALuint GetSound(const std::string& name)
{
BufferMap::iterator iter = sounds.find(name);
if (iter != sounds.end())
return iter->second;
size_t length;
ALubyte* data = GetSoundData("Sounds/" + name, length);
ALuint buf = alureCreateBufferFromMemory(data, length);
free(data);
sounds.insert(std::make_pair(name, buf));
#ifndef NDEBUG
const ALchar* err = alureGetErrorString();
if (strcmp(err, "No error"))
{
LOG("Sound", LOG_ERROR, "GetSound: %s", err);
exit(1);
}
#endif
return buf;
}
namespace Sound
{
const int CHUNK_LENGTH = 16386;
typedef std::map<std::string, ALuint> BufferMap;
BufferMap sounds;
int soundSourceCount;
ALuint* soundSources;
ALuint musicSource;
ALuint musicBufs[2];
alureStream* currentMusicStream = NULL;
std::string currentMusicName = "";
int soundSourceIndex = 0;
void Quit()
{
StopMusic();
alureUpdateInterval(0);
alureSleep(0.1f);
alureShutdownDevice();
}
ALubyte* GetSoundData(const std::string& path, size_t& length)
{
SDL_RWops* rwops = ResourceManager::OpenFile(path + ".aiff");
if (!rwops)
rwops = ResourceManager::OpenFile(path + ".ogg");
if (!rwops)
{
length = 0;
return NULL;
}
return (ALubyte*)ResourceManager::ReadFull(&length, rwops, 1);
}
static ALuint GetSound(const std::string& name)
{
BufferMap::iterator iter = sounds.find(name);
if (iter != sounds.end())
return iter->second;
size_t length;
ALubyte* data = GetSoundData("Sounds/" + name, length);
ALuint buf = alureCreateBufferFromMemory(data, length);
free(data);
sounds.insert(std::make_pair(name, buf));
#ifndef NDEBUG
const ALchar* err = alureGetErrorString();
if (strcmp(err, "No error"))
{
LOG("Sound", LOG_ERROR, "GetSound: %s", err);
exit(1);
}
#endif
return buf;
}
void Init(int frequency, int resolution, int sources)
{
(void)resolution;
--sources; // one spare source for music
ALCint attribs[] = {
ALC_FREQUENCY, frequency,
/*ALC_MONO_SOURCES, sources,
ALC_STEREO_SOURCES, 1,*/
0
};
if (AL_FALSE == alureInitDevice(NULL, attribs)) {
LOG("Sound", LOG_ERROR, "ALURE init failure");
exit(1);
}
soundSources = new ALuint[sources];
alGenSources(sources, soundSources);
alGenSources(1, &musicSource);
alGenBuffers(2, musicBufs);
soundSourceCount = sources;
alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
alSpeedOfSound(1400.0);
alDopplerFactor(0.7);
alureUpdateInterval(0.03333f);
#ifndef NDEBUG
if (alGetError())
LOG("Sound", LOG_ERROR, "OpenAL init failure");
const ALchar* err = alureGetErrorString();
if (strcmp(err, "No error"))
{
LOG("Sound", LOG_ERROR, "ALURE init failure: %s", err);
exit(1);
}
#endif
}
static ALuint GetFreeSource()
{
int idx = soundSourceIndex++;
soundSourceIndex = soundSourceIndex % soundSourceCount;
return soundSources[idx];
}
void Preload(const std::string& name)
{
GetSound(name);
}
void PlaySound(const std::string& name, float gain)
{
const static ALfloat fz[] = { 0.0f, 0.0f, 0.0f };
ALuint buf = GetSound(name);
ALuint source = GetFreeSource();
LOG("Sound", LOG_NOTICE, "playing sound %s on channel %d", name.c_str(), source);
const ALchar* err = alureGetErrorString();
alSourcei(source, AL_BUFFER, buf);
alSourcei(source, AL_SOURCE_RELATIVE, AL_TRUE);
alSourcef(source, AL_GAIN, gain);
alSourcefv(source, AL_POSITION, fz);
alSourcefv(source, AL_VELOCITY, fz);
alSourcePlay(source);
#ifndef NDEBUG
if (alGetError())
LOG("Sound", LOG_ERROR, "OpenAL error");
err = alureGetErrorString();
if (strcmp(err, "No error"))
{
LOG("Sound", LOG_ERROR, "ALURE error: %s", err);
exit(1);
}
#endif
}
void PlaySoundPositional(const std::string& name, vec2 pos, vec2 vel, float gain)
{
ALfloat fpos[] = {pos.X(), pos.Y(), 0.0f};
ALfloat fvel[] = {vel.X(), vel.Y(), 0.0f};
ALuint buf = GetSound(name);
ALuint source = GetFreeSource();
alSourcei(source, AL_BUFFER, buf);
alSourcei(source, AL_SOURCE_RELATIVE, AL_FALSE);
alSourcefv(source, AL_POSITION, fpos);
alSourcefv(source, AL_VELOCITY, fvel);
alSourcef(source, AL_REFERENCE_DISTANCE, 50.0);
alSourcef(source, AL_GAIN, gain);
alSourcePlay(source);
#ifndef NDEBUG
if (alGetError())
LOG("Sound", LOG_ERROR, "OpenAL error");
const ALchar* err = alureGetErrorString();
if (strcmp(err, "No error"))
{
LOG("Sound", LOG_ERROR, "ALURE error: %s", err);
exit(1);
}
#endif
}
static ALfloat forientation[] = {1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f};
void SetListener(vec2 pos, vec2 vel)
{
ALfloat fpos[] = {pos.X(), pos.Y(), 0.0f};
ALfloat fvel[] = {vel.X(), vel.Y(), 0.0f};
alListenerfv(AL_POSITION, fpos);
alListenerfv(AL_VELOCITY, fvel);
if (vel.ModulusSquared() > 0.2f)
{
forientation[0] = fvel[0];
forientation[1] = fvel[1];
}
alListenerfv(AL_ORIENTATION, forientation);
}
static void MusicEndCallback(void* ud, ALuint source)
{
alureDestroyStream(currentMusicStream, 2, musicBufs);
currentMusicStream = NULL;
currentMusicName = "";
free(ud);
}
void PlayMusic(const std::string& name)
{
StopMusic();
size_t length;
ALubyte* data = GetSoundData("Music/" + name, length);
currentMusicName = name;
currentMusicStream = alureCreateStreamFromStaticMemory(data, length, CHUNK_LENGTH, 2, musicBufs);
alurePlaySourceStream(musicSource, currentMusicStream, 2, 1, MusicEndCallback, data);
LOG("Sound", LOG_MESSAGE, "Music: %s", name.c_str());
if (!data)
LOG("Sound", LOG_WARNING, "failed to find music");
#ifndef NDEBUG
if (alGetError())
LOG("Sound", LOG_ERROR, "OpenAL error");
const ALchar* err = alureGetErrorString();
if (strcmp(err, "No error"))
{
LOG("Sound", LOG_ERROR, "ALURE error attempting to play song %s: %s", name.c_str(), err);
exit(1);
}
#endif
}
void StopMusic()
{
if (!currentMusicStream)
return;
alureStopSource(musicSource, AL_TRUE);
}
std::string MusicName()
{
return "";
}
float MusicVolume()
{
ALfloat rv;
alGetSourcefv(musicSource, AL_GAIN, &rv);
return rv;
}
void SetMusicVolume(float mvol)
{
alSourcef(musicSource, AL_GAIN, mvol);
}
float SoundVolume()
{
return 0.5f; // [HARDCODED] [PLZFIX]
}
void SetSoundVolume(float mvol)
{
}
}
