Method PlaySound3d

sndlib/sdlsound.cpp:378–419

}

int lnxsound::PlaySound3d(play_information *play_info, int sound_index, pos_state *cur_pos, float adjusted_volume,
                          bool f_looped, float reverb) //, uint16_t frequency
{
  float volume = adjusted_volume; // Adjust base volume by sent volume, let 3d stuff do the rest

  if (sound_device == 0)
    return -1;

  ASSERT(Sounds[sound_index].used != 0);
  if (Sounds[sound_index].used == 0)
    return -1;

  float dist;
  vector dir_to_sound = *cur_pos->position - m_emulated_listener.position;
  float pan;

  dist = vm_NormalizeVector(&dir_to_sound);
  if (dist < .1f) {
    dir_to_sound = m_emulated_listener.orient.fvec;
  }

  if (dist >= Sounds[sound_index].max_distance) {
    return -1;
  } else if (dist > Sounds[sound_index].min_distance) {
    volume *= (1.0f - ((dist - Sounds[sound_index].min_distance) /
                       (Sounds[sound_index].max_distance - Sounds[sound_index].min_distance)));
  }

  pan = (dir_to_sound * m_emulated_listener.orient.rvec);

  if (volume < 0.0f)
    volume = 0.0f;
  else if (volume > 1.0f)
    volume = 1.0f;

  if (pan < -1.0f)
    pan = -1.0f;
  else if (pan > 1.0f)
    pan = 1.0f;

  return PlaySound2d(play_info, sound_index, volume, pan, f_looped);
}

void lnxsound::AdjustSound(int sound_uid, float f_volume, float f_pan, uint16_t frequency) {
  int current_slot;