restructure audio cleanup

src/Audio/AudioBuffer.cs

@@ -64,12 +64,16 @@ namespace MoonWorks.Audio
 			};
 		}
 
-		protected override unsafe void DisposeUnmanagedState()
+		protected override unsafe void Dispose(bool disposing)
 		{
-			if (OwnsBufferData)
+			if (!IsDisposed)
 			{
-				NativeMemory.Free((void*) BufferDataPtr);
+				if (OwnsBufferData)
+				{
+					NativeMemory.Free((void*) BufferDataPtr);
+				}
 			}
+			base.Dispose(disposing);
 		}
 	}
 }

src/Audio/AudioDataOgg.cs

@@ -90,9 +90,16 @@ namespace MoonWorks.Audio
 		/// <summary>
 		/// Unloads the Ogg data, freeing resources.
 		/// </summary>
-		public override void Unload()
+		public override unsafe void Unload()
 		{
-			DisposeUnmanagedState();
+			if (Loaded)
+			{
+				FAudio.stb_vorbis_close(VorbisHandle);
+				NativeMemory.Free((void*) FileDataPtr);
+
+				VorbisHandle = IntPtr.Zero;
+				FileDataPtr = IntPtr.Zero;
+			}
 		}
 
 		/// <summary>
@@ -136,17 +143,5 @@ namespace MoonWorks.Audio
 				(uint) lengthInBytes,
 				true);
 		}
-
-		protected override unsafe void DisposeUnmanagedState()
-		{
-			if (Loaded)
-			{
-				FAudio.stb_vorbis_close(VorbisHandle);
-				NativeMemory.Free((void*) FileDataPtr);
-
-				VorbisHandle = IntPtr.Zero;
-				FileDataPtr = IntPtr.Zero;
-			}
-		}
 	}
 }

src/Audio/AudioDataQoa.cs

@@ -99,9 +99,16 @@ namespace MoonWorks.Audio
 		/// <summary>
 		/// Unloads the qoa data, freeing resources.
 		/// </summary>
-		public override void Unload()
+		public override unsafe void Unload()
 		{
-			DisposeUnmanagedState();
+			if (Loaded)
+			{
+				FAudio.qoa_close(QoaHandle);
+				NativeMemory.Free((void*) FileDataPtr);
+
+				QoaHandle = IntPtr.Zero;
+				FileDataPtr = IntPtr.Zero;
+			}
 		}
 
 		/// <summary>
@@ -153,17 +160,5 @@ namespace MoonWorks.Audio
 				((UInt64)(bytes[4]) << 24) | ((UInt64)(bytes[5]) << 16) |
 				((UInt64)(bytes[6]) <<  8) | ((UInt64)(bytes[7]) <<  0);
 		}
-
-		protected override unsafe void DisposeUnmanagedState()
-		{
-			if (Loaded)
-			{
-				FAudio.qoa_close(QoaHandle);
-				NativeMemory.Free((void*) FileDataPtr);
-
-				QoaHandle = IntPtr.Zero;
-				FileDataPtr = IntPtr.Zero;
-			}
-		}
 	}
 }

src/Audio/AudioDataStreamable.cs

@@ -36,5 +36,14 @@ namespace MoonWorks.Audio
 		/// <param name="filledLengthInBytes">How much data was actually filled in by the decode.</param>
 		/// <param name="reachedEnd">Whether the end of the data was reached on this decode.</param>
 		public abstract unsafe void Decode(void* buffer, int bufferLengthInBytes, out int filledLengthInBytes, out bool reachedEnd);
+
+		protected override void Dispose(bool disposing)
+		{
+			if (!IsDisposed)
+			{
+				Unload();
+			}
+			base.Dispose(disposing);
+		}
 	}
 }

src/Audio/AudioResource.cs

@@ -19,23 +19,16 @@ namespace MoonWorks.Audio
 			Device.AddResourceReference(SelfReference);
 		}
 
-		protected virtual void DisposeManagedState() { }
-		protected virtual void DisposeUnmanagedState() { }
-
-		protected void Dispose(bool disposing)
+		protected virtual void Dispose(bool disposing)
 		{
 			if (!IsDisposed)
 			{
 				if (disposing)
 				{
-					DisposeManagedState();
-
 					Device.RemoveResourceReference(SelfReference);
 					SelfReference.Free();
 				}
 
-				DisposeUnmanagedState();
-
 				IsDisposed = true;
 			}
 		}
@@ -43,18 +36,11 @@ namespace MoonWorks.Audio
 		~AudioResource()
 		{
 			#if DEBUG
-			// If the graphics device associated with this resource was already disposed, we assume
-			// that your game is in the middle of shutting down.
-			if (!IsDisposed && Device != null && !Device.IsDisposed)
-			{
-				// If you see this log message, you leaked a graphics resource without disposing it!
-				// This means your game may eventually run out of native memory for mysterious reasons.
-				Logger.LogWarn($"A resource of type {GetType().Name} was not Disposed.");
-			}
+			// If you see this log message, you leaked an audio resource without disposing it!
+			// We can't clean it up for you because this can cause catastrophic issues.
+			// You should really fix this when it happens.
+			Logger.LogWarn($"A resource of type {GetType().Name} was not Disposed.");
 			#endif
-
-			// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
-			Dispose(disposing: false);
 		}
 
 		public void Dispose()

src/Audio/SourceVoice.cs

@@ -214,10 +214,5 @@ namespace MoonWorks.Audio
 			PlaybackInitiated = false;
 			base.Reset();
 		}
-
-		protected override void DisposeManagedState()
-		{
-			Stop();
-		}
 	}
 }

src/Audio/StreamingVoice.cs

@@ -145,5 +145,22 @@ namespace MoonWorks.Audio
 				buffers[i] = (IntPtr) NativeMemory.Alloc(BufferSize);
 			}
 		}
+
+		protected override unsafe void Dispose(bool disposing)
+		{
+			if (!IsDisposed)
+			{
+				Stop();
+
+				for (int i = 0; i < BUFFER_COUNT; i += 1)
+				{
+					if (buffers[i] != IntPtr.Zero)
+					{
+						NativeMemory.Free((void*) buffers[i]);
+					}
+				}
+			}
+			base.Dispose(disposing);
+		}
 	}
 }

src/Audio/Voice.cs

@@ -565,10 +565,14 @@ namespace MoonWorks.Audio
 			);
 		}
 
-		protected override void DisposeUnmanagedState()
+		protected override unsafe void Dispose(bool disposing)
 		{
-			NativeMemory.Free(pMatrixCoefficients);
-			FAudio.FAudioVoice_DestroyVoice(Handle);
+			if (!IsDisposed)
+			{
+				NativeMemory.Free(pMatrixCoefficients);
+				FAudio.FAudioVoice_DestroyVoice(Handle);
+			}
+			base.Dispose(disposing);
 		}
 	}
 }