Soundtrack.cxx

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#include "Soundtrack.hxx"
#include "../util/Exception.hxx"
#include "../util/LOG.hxx"
#include "../basics/Settings.hxx"
 
Soundtrack::Soundtrack(SoundtrackID id, ChannelID channelID, DecodedAudioData *dAudioData, RepeatCount repeat, bool isMusic,
                       bool isPlaying, bool isPlayable, bool isTriggerable)
    : ID(id), Channel(channelID), Loop(repeat), isMusic(isMusic), isPlaying(isPlaying), isTriggerable(isTriggerable),
      isPlayable(isPlayable), source(), buffer(0)
{
 
  /* initialize buffer */
  alGenBuffers(1, &buffer);
  ALenum errorCode = alGetError();
  if (errorCode != AL_NO_ERROR)
    throw AudioError(TRACE_INFO "Could not create buffers: Error " + std::to_string(errorCode));
 
  /* set buffer data */
  ALenum format = Settings::instance().audio3DStatus ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
 
  /* parameters: buffer, format, data, sample length in bytes, frequency(sample rate) */
  alBufferData(buffer, format, dAudioData->char_data_vec.data(), dAudioData->nBytes, dAudioData->data_sample_rate);
 
  errorCode = alGetError();
  if (errorCode != AL_NO_ERROR)
    throw AudioError(TRACE_INFO "Failed to load audio data into buffer: Error " + std::to_string(errorCode));
 
  /* initialize sources */
  alGenSources(2, source);
  alSourcei(source[0], AL_SOURCE_RELATIVE, AL_FALSE); // sfx channel/source
  alSourcei(source[1], AL_SOURCE_RELATIVE, AL_FALSE); // music channel/source
  errorCode = alGetError();
  if (errorCode != AL_NO_ERROR)
    throw AudioError(TRACE_INFO "Failed to setup sound source: Error " + std::to_string(errorCode));
 
  /* attach buffer to source */
  alSourcei(source[isMusic], AL_BUFFER, buffer);
}
 
Soundtrack::~Soundtrack()
{
  if (alIsSource(source[0]))
    alDeleteSources(2, source);
  if (alIsBuffer(buffer))
    alDeleteBuffers(1, &buffer);
}