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Location: alysbrooks-public/games/isometric-park-fna/FNA/src/Audio/Cue.cs

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Commit Description:
Various UI improvements.
Commit Description:
Various UI improvements.
References:
r291:6a7d5e8510b1 default
File last commit:
r0:e33f209de7e5 default
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FNA/src/Audio/Cue.cs
306 lines | 5.1 KiB | text/x-csharp | CSharpLexer
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#region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
* Copyright 2009-2020 Ethan Lee and the MonoGame Team
*
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System;
using System.Runtime.InteropServices;
#endregion
namespace Microsoft.Xna.Framework.Audio
{
// http://msdn.microsoft.com/en-us/library/microsoft.xna.framework.audio.cue.aspx
public sealed class Cue : IDisposable
{
#region Public Properties
public bool IsCreated
{
get
{
uint state;
FAudio.FACTCue_GetState(handle, out state);
return (state & FAudio.FACT_STATE_CREATED) != 0;
}
}
public bool IsDisposed
{
get;
private set;
}
public bool IsPaused
{
get
{
uint state;
FAudio.FACTCue_GetState(handle, out state);
return (state & FAudio.FACT_STATE_PAUSED) != 0;
}
}
public bool IsPlaying
{
get
{
uint state;
FAudio.FACTCue_GetState(handle, out state);
return (state & FAudio.FACT_STATE_PLAYING) != 0;
}
}
public bool IsPrepared
{
get
{
uint state;
FAudio.FACTCue_GetState(handle, out state);
return (state & FAudio.FACT_STATE_PREPARED) != 0;
}
}
public bool IsPreparing
{
get
{
uint state;
FAudio.FACTCue_GetState(handle, out state);
return (state & FAudio.FACT_STATE_PREPARING) != 0;
}
}
public bool IsStopped
{
get
{
uint state;
FAudio.FACTCue_GetState(handle, out state);
return (state & FAudio.FACT_STATE_STOPPED) != 0;
}
}
public bool IsStopping
{
get
{
uint state;
FAudio.FACTCue_GetState(handle, out state);
return (state & FAudio.FACT_STATE_STOPPING) != 0;
}
}
public string Name
{
get;
private set;
}
#endregion
#region Private Variables
private IntPtr handle;
private SoundBank bank;
private WeakReference selfReference;
#endregion
#region Disposing Event
public event EventHandler<EventArgs> Disposing;
#endregion
#region Internal Constructor
internal Cue(IntPtr cue, string name, SoundBank soundBank)
{
handle = cue;
Name = name;
bank = soundBank;
selfReference = new WeakReference(this, true);
bank.engine.RegisterCue(handle, selfReference);
}
#endregion
#region Destructor
~Cue()
{
if (AudioEngine.ProgramExiting)
{
return;
}
if (!IsDisposed && IsPlaying)
{
// STOP LEAKING YOUR CUES, ARGH
GC.ReRegisterForFinalize(this);
return;
}
Dispose(false);
}
#endregion
#region Public Dispose Method
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
#endregion
#region Public Methods
public void Apply3D(AudioListener listener, AudioEmitter emitter)
{
if (listener == null)
{
throw new ArgumentNullException("listener");
}
if (emitter == null)
{
throw new ArgumentNullException("emitter");
}
emitter.emitterData.ChannelCount = bank.dspSettings.SrcChannelCount;
emitter.emitterData.CurveDistanceScaler = float.MaxValue;
FAudio.FACT3DCalculate(
bank.engine.handle3D,
ref listener.listenerData,
ref emitter.emitterData,
ref bank.dspSettings
);
FAudio.FACT3DApply(ref bank.dspSettings, handle);
}
public float GetVariable(string name)
{
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
ushort variable = FAudio.FACTCue_GetVariableIndex(
handle,
name
);
if (variable == FAudio.FACTVARIABLEINDEX_INVALID)
{
throw new InvalidOperationException(
"Invalid variable name!"
);
}
float result;
FAudio.FACTCue_GetVariable(
handle,
variable,
out result
);
return result;
}
public void Pause()
{
FAudio.FACTCue_Pause(handle, 1);
}
public void Play()
{
FAudio.FACTCue_Play(handle);
}
public void Resume()
{
FAudio.FACTCue_Pause(handle, 0);
}
public void SetVariable(string name, float value)
{
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
ushort variable = FAudio.FACTCue_GetVariableIndex(
handle,
name
);
if (variable == FAudio.FACTVARIABLEINDEX_INVALID)
{
throw new InvalidOperationException(
"Invalid variable name!"
);
}
FAudio.FACTCue_SetVariable(
handle,
variable,
value
);
}
public void Stop(AudioStopOptions options)
{
FAudio.FACTCue_Stop(
handle,
(options == AudioStopOptions.Immediate) ?
FAudio.FACT_FLAG_STOP_IMMEDIATE :
FAudio.FACT_FLAG_STOP_RELEASE
);
}
#endregion
#region Internal Methods
internal void OnCueDestroyed()
{
IsDisposed = true;
handle = IntPtr.Zero;
selfReference = null;
}
#endregion
#region Private Methods
private void Dispose(bool disposing)
{
lock (bank.engine.gcSync)
{
if (!IsDisposed)
{
if (Disposing != null)
{
Disposing.Invoke(this, null);
}
// If this is Disposed, stop leaking memory!
if (!bank.engine.IsDisposed)
{
bank.engine.UnregisterCue(handle);
FAudio.FACTCue_Destroy(handle);
}
OnCueDestroyed();
}
}
}
#endregion
}
}