MoonWorks/src/Audio/StaticSoundInstance.cs

97 lines
1.7 KiB
C#
Raw Normal View History

2022-02-23 05:14:32 +00:00
using System;
2021-01-20 02:06:10 +00:00
namespace MoonWorks.Audio
{
2022-02-23 05:14:32 +00:00
public class StaticSoundInstance : SoundInstance
{
public StaticSound Parent { get; }
2022-02-23 05:14:32 +00:00
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);
}
2021-01-20 03:26:30 +00:00
2022-02-23 05:14:32 +00:00
return _state;
}
2021-01-20 03:26:30 +00:00
2022-02-23 05:14:32 +00:00
protected set
{
_state = value;
}
}
2021-01-20 02:06:10 +00:00
2022-02-23 05:14:32 +00:00
internal StaticSoundInstance(
AudioDevice device,
StaticSound parent,
bool is3D,
bool loop
) : base(device, parent.Channels, parent.SamplesPerSecond, is3D, loop)
{
Parent = parent;
}
2021-01-20 02:06:10 +00:00
2022-02-23 05:14:32 +00:00
public override void Play()
{
if (State == SoundState.Playing)
{
return;
}
2021-01-20 02:06:10 +00:00
2022-02-23 05:14:32 +00:00
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;
}
2021-01-20 02:06:10 +00:00
2022-02-23 05:14:32 +00:00
FAudio.FAudioSourceVoice_SubmitSourceBuffer(
Handle,
ref Parent.Handle,
IntPtr.Zero
);
2021-01-20 02:06:10 +00:00
2022-02-23 05:14:32 +00:00
FAudio.FAudioSourceVoice_Start(Handle, 0, 0);
State = SoundState.Playing;
}
2021-01-20 02:06:10 +00:00
2022-02-23 05:14:32 +00:00
public override void Pause()
{
if (State == SoundState.Paused)
{
FAudio.FAudioSourceVoice_Stop(Handle, 0, 0);
State = SoundState.Paused;
}
}
2021-01-20 02:06:10 +00:00
2022-02-23 05:14:32 +00:00
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);
}
}
}
2021-01-20 02:06:10 +00:00
}