Method setVolume

src/Engine/Game.cpp:338–359

* Changes the audio volume of the music and * sound effect channels. * @param sound Sound volume, from 0 to MIX_MAX_VOLUME. * @param music Music volume, from 0 to MIX_MAX_VOLUME. * @param ui UI volume, from 0 to MIX_MAX_VOLUME. */

 * @param ui UI volume, from 0 to MIX_MAX_VOLUME.
 */
void Game::setVolume(int sound, int music, int ui)
{
	if (!Options::mute)
	{
		if (sound >= 0)
		{
			sound = volumeExponent(sound) * (double)SDL_MIX_MAXVOLUME;
			Mix_Volume(-1, sound);
		}
		if (music >= 0)
		{
			music = volumeExponent(music) * (double)SDL_MIX_MAXVOLUME;
			Mix_VolumeMusic(music);
		}
		if (ui >= 0)
		{
			ui = volumeExponent(ui) * (double)SDL_MIX_MAXVOLUME;
			Mix_Volume(1, ui);
			Mix_Volume(2, ui);
		}
	}
}

double Game::volumeExponent(int volume)
{