using System; namespace MoonWorks.Audio { public class StaticSoundInstance : SoundInstance { public StaticSound Parent { get; } private SoundState _state = SoundState.Stopped; public override SoundState State { get { FAudio.FAudioSourceVoice_GetState( Handle, out var state, FAudio.FAUDIO_VOICE_NOSAMPLESPLAYED ); if (state.BuffersQueued == 0) { Stop(true); } return _state; } protected set { _state = value; } } internal StaticSoundInstance( AudioDevice device, StaticSound parent ) : base(device, parent.FormatTag, parent.BitsPerSample, parent.BlockAlign, parent.Channels, parent.SamplesPerSecond) { Parent = parent; } public override void Play(bool loop = false) { if (State == SoundState.Playing) { return; } Loop = loop; if (Loop) { Parent.Handle.LoopCount = 255; Parent.Handle.LoopBegin = Parent.LoopStart; Parent.Handle.LoopLength = Parent.LoopLength; } else { Parent.Handle.LoopCount = 0; Parent.Handle.LoopBegin = 0; Parent.Handle.LoopLength = 0; } FAudio.FAudioSourceVoice_SubmitSourceBuffer( Handle, ref Parent.Handle, IntPtr.Zero ); FAudio.FAudioSourceVoice_Start(Handle, 0, 0); State = SoundState.Playing; } public override void Pause() { if (State == SoundState.Paused) { FAudio.FAudioSourceVoice_Stop(Handle, 0, 0); State = SoundState.Paused; } } public override void Stop(bool immediate = true) { if (immediate) { FAudio.FAudioSourceVoice_Stop(Handle, 0, 0); FAudio.FAudioSourceVoice_FlushSourceBuffers(Handle); State = SoundState.Stopped; } else { FAudio.FAudioSourceVoice_ExitLoop(Handle, 0); } } public void Free() { Parent.FreeInstance(this); } } }