fix audio bug

Author: Redninja106

src/SimulationFramework.Desktop/Audio/DesktopSound.cs

@@ -10,6 +10,7 @@ internal sealed class DesktopSound : ISound
     private readonly DesktopAudioProvider provider;
     // internal readonly List<DesktopSoundPlayback> activePlaybacks;
     internal readonly uint buffer;
+    internal HashSet<DesktopSoundPlayback> activePlaybacks = [];
 
     public int SampleRate { get; }
     public float Duration { get; }
@@ -41,7 +42,7 @@ public unsafe DesktopSound(DesktopAudioProvider provider, ReadOnlySpan<byte> enc
                 reader = new Wave24To16Stream(reader);
             }
 
-            var data = new byte[stream.Length / reader.BlockAlign * reader.BlockAlign];
+            var data = new byte[reader.Length / reader.BlockAlign * reader.BlockAlign];
             reader.Read(data.AsSpan());
 
             buffer = provider.al.GenBuffer();
@@ -108,6 +109,8 @@ private static BufferFormat GetBufferFormat(WaveFormat format)
 
     public SoundPlayback Play(float volume = 1)
     {
+        activePlaybacks.RemoveWhere(pb => pb.IsStopped);
+
         return new DesktopSoundPlayback(provider, this, volume, false);
     }
 

src/SimulationFramework.Desktop/Audio/DesktopSoundPlayback.cs

@@ -5,6 +5,7 @@ internal sealed unsafe class DesktopSoundPlayback : SoundPlayback, IDisposable
 {
     private readonly uint source;
     private readonly DesktopAudioProvider provider;
+    private readonly DesktopSound sound;
 
     public override float Volume
     {
@@ -41,6 +42,7 @@ public override bool IsPaused
 
     public DesktopSoundPlayback(DesktopAudioProvider provider, DesktopSound sound, float volume, bool loop)
     {
+        sound.activePlaybacks.Add(this);
         this.provider = provider;
 
         source = provider.al.GenSource();
@@ -49,7 +51,6 @@ public DesktopSoundPlayback(DesktopAudioProvider provider, DesktopSound sound, f
             throw new Exception($"alGenSource() returned 0! (error: {provider.al.GetError()})");
         }
 
-
         if (loop)
         {
             provider.al.SetSourceProperty(source, SourceBoolean.Looping, loop);
@@ -67,6 +68,8 @@ public DesktopSoundPlayback(DesktopAudioProvider provider, DesktopSound sound, f
     public override void Dispose()
     {
         GC.SuppressFinalize(this);
+
+        _ = sound.activePlaybacks.Remove(this);
         provider.al.DeleteSource(source);
     }
 
@@ -83,6 +86,8 @@ public override void Resume()
     public override void Stop()
     {
         provider.al.SourceStop(source);
+        sound.activePlaybacks.Remove(this);
+        Dispose();
     }
 
     public override void Restart()

src/SimulationFramework.OpenGL/GLCanvas.cs

@@ -96,6 +96,7 @@ public void Antialias(bool antialias)
 
     public void Clear(ColorF color)
     {
+        SubmitCommands();
         glBindFramebuffer(GL_FRAMEBUFFER, fbo);
         glClearColor(color.R, color.G, color.B, color.A);
         glClear(GL_COLOR_BUFFER_BIT);