private Sound parseSound(LuaArgs args, int index)
{
LuaTable table = args.GetTable(index);
string waveform = table.IsNil("waveform") ? "square" : table.GetString("waveform");
float volume = table.IsNil("volume") ? 1.0f : table.GetFloat("volume");
float duty = table.IsNil("duty") ? 0.5f : table.GetFloat("duty");
float duration = table.GetFloat("duration");
float attack = table.IsNil("attack") ? 0.0f : table.GetFloat("attack");
float decay = table.IsNil("decay") ? 0.0f : table.GetFloat("decay");
float frequency = table.GetFloat("frequency");
float slide = table.IsNil("slide") ? 0.0f : table.GetFloat("slide");
float vibratoDepth = table.IsNil("vibrato_depth") ? 0.0f : table.GetFloat("vibrato_depth");
float vibratoFrequency = table.IsNil("vibrato_frequency") ? 0.0f : table.GetFloat("vibrato_frequency");
bool loop = table.IsNil("loop") ? false : table.GetBool("loop");
var sound = new Sound();
sound.Waveform = ParseWaveform(waveform);
sound.Volume = Clamp(volume, 0.0f, 1.0f);
sound.Duty = Clamp(duty, 0.0f, 1.0f);
sound.Attack = Math.Max(attack, 0.0f);
sound.Duration = Math.Max(duration, 0.0f);
sound.Decay = Math.Max(decay, 0.0f);
sound.Frequency = Math.Max(frequency, 0.0f);
sound.Slide = slide;
sound.VibratoDepth = Math.Max(vibratoDepth, 0.0f);
sound.VibratoFrequency = Math.Max(vibratoFrequency, 0.0f);
sound.Loop = loop;
return(sound);
}