From b049b4f88dad22bd6bc774a55c583294441baa1a Mon Sep 17 00:00:00 2001
From: Nicky McDonald <43690021+nickyMcDonald@users.noreply.github.com>
Date: Sat, 24 Feb 2024 03:44:13 -0500
Subject: [PATCH 1/3] AttachAudioMixedProcessor Utils for easy callback (#215)

---
 Raylib-cs/types/AudioCallback.cs | 10 ++++++++++
 Raylib-cs/types/AudioMixed.cs    | 23 +++++++++++++++++++++++
 Raylib-cs/types/Raylib.Utils.cs  | 24 ++++++++++++++++++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 Raylib-cs/types/AudioCallback.cs
 create mode 100644 Raylib-cs/types/AudioMixed.cs

diff --git a/Raylib-cs/types/AudioCallback.cs b/Raylib-cs/types/AudioCallback.cs
new file mode 100644
index 0000000..2f7b372
--- /dev/null
+++ b/Raylib-cs/types/AudioCallback.cs
@@ -0,0 +1,10 @@
+using System;
+
+namespace Raylib_cs;
+
+/// <summary>
+/// Audio stream processor.
+/// Used with Raylib.AttachAudioMixedProcessor()
+/// and Raylib.DetachAudioMixedProcessor()
+/// </summary>
+public delegate void AudioCallback<T>(Span<T> buffer);
diff --git a/Raylib-cs/types/AudioMixed.cs b/Raylib-cs/types/AudioMixed.cs
new file mode 100644
index 0000000..bf98491
--- /dev/null
+++ b/Raylib-cs/types/AudioMixed.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Raylib_cs;
+
+internal static unsafe class AudioMixed
+{
+    public static AudioCallback<float> Callback = null;
+
+    [UnmanagedCallersOnly(CallConvs = new[]
+    {
+        typeof(CallConvCdecl),
+    })]
+    public static void Processor(void* buffer, uint frames)
+    {
+        // The buffer is stereo audio, so we need to double our frame count.
+        frames = Math.Min(frames * 2, int.MaxValue);
+
+        Span<float> floats = new(buffer, (int)frames);
+        Callback?.Invoke(floats);
+    }
+}
diff --git a/Raylib-cs/types/Raylib.Utils.cs b/Raylib-cs/types/Raylib.Utils.cs
index c3b2f1d..46ba915 100644
--- a/Raylib-cs/types/Raylib.Utils.cs
+++ b/Raylib-cs/types/Raylib.Utils.cs
@@ -1261,6 +1261,30 @@ public static unsafe partial class Raylib
         }
     }
 
+    /// <summary>
+    /// Attach audio stream processor to the entire audio pipeline
+    /// </summary>
+    public static void AttachAudioMixedProcessor(AudioCallback<float> processor)
+    {
+        if (AudioMixed.Callback == null)
+        {
+            AudioMixed.Callback = processor;
+            AttachAudioMixedProcessor(&AudioMixed.Processor);
+        }
+    }
+
+    /// <summary>
+    /// Detach audio stream processor from the entire audio pipeline
+    /// </summary>
+    public static void DetachAudioMixedProcessor(AudioCallback<float> processor)
+    {
+        if (AudioMixed.Callback == processor)
+        {
+            DetachAudioMixedProcessor(&AudioMixed.Processor);
+            AudioMixed.Callback = null;
+        }
+    }
+
     public static string SubText(this string input, int position, int length)
     {
         return input.Substring(position, Math.Min(length, input.Length));

From 47877ee2e771398988d386f0503ab37a041f3e26 Mon Sep 17 00:00:00 2001
From: Ben Parsons <9ParsonsB@users.noreply.github.com>
Date: Tue, 21 May 2024 16:40:05 +1000
Subject: [PATCH 2/3] Update Language Version to C# 12 (#242)

---
 Examples/Examples.csproj               | 2 +-
 Raylib-cs.Tests/Raylib-cs.Tests.csproj | 1 +
 Raylib-cs/Raylib-cs.csproj             | 4 ++--
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Examples/Examples.csproj b/Examples/Examples.csproj
index 6fc42f2..cd05201 100644
--- a/Examples/Examples.csproj
+++ b/Examples/Examples.csproj
@@ -5,7 +5,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <StartupObject>Examples.Program</StartupObject>
     <RunWorkingDirectory>$(MSBuildThisFileDirectory)</RunWorkingDirectory>
-    <LangVersion>10</LangVersion>
+    <LangVersion>12</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
diff --git a/Raylib-cs.Tests/Raylib-cs.Tests.csproj b/Raylib-cs.Tests/Raylib-cs.Tests.csproj
index c6c27ee..fa9d3a9 100644
--- a/Raylib-cs.Tests/Raylib-cs.Tests.csproj
+++ b/Raylib-cs.Tests/Raylib-cs.Tests.csproj
@@ -2,6 +2,7 @@
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>12</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Raylib-cs/Raylib-cs.csproj b/Raylib-cs/Raylib-cs.csproj
index 48c59a0..9969b12 100644
--- a/Raylib-cs/Raylib-cs.csproj
+++ b/Raylib-cs/Raylib-cs.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net5.0;net6.0</TargetFrameworks>
+    <TargetFramework>net6.0</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
     <AssemblyName>Raylib-cs</AssemblyName>
     <RootNamespace>Raylib_cs</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <NoWarn>$(NoWarn);1591</NoWarn>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>12</LangVersion>
   </PropertyGroup>
 
   <PropertyGroup>

From 502a583e076cf1595a12def81206be7f804002e5 Mon Sep 17 00:00:00 2001
From: JupiterRider <60042618+JupiterRider@users.noreply.github.com>
Date: Tue, 21 May 2024 20:06:11 +0200
Subject: [PATCH 3/3] UnloadMesh needs a value, not a pointer (#243)

---
 Raylib-cs/interop/Raylib.cs     | 2 +-
 Raylib-cs/types/Raylib.Utils.cs | 9 ---------
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/Raylib-cs/interop/Raylib.cs b/Raylib-cs/interop/Raylib.cs
index cebd3a8..662ee7d 100644
--- a/Raylib-cs/interop/Raylib.cs
+++ b/Raylib-cs/interop/Raylib.cs
@@ -2350,7 +2350,7 @@ public static unsafe partial class Raylib
 
     /// <summary>Unload mesh from memory (RAM and/or VRAM)</summary>
     [DllImport(NativeLibName, CallingConvention = CallingConvention.Cdecl)]
-    public static extern void UnloadMesh(Mesh* mesh);
+    public static extern void UnloadMesh(Mesh mesh);
 
     /// <summary>Draw a 3d mesh with material and transform</summary>
     [DllImport(NativeLibName, CallingConvention = CallingConvention.Cdecl)]
diff --git a/Raylib-cs/types/Raylib.Utils.cs b/Raylib-cs/types/Raylib.Utils.cs
index 46ba915..1b83b66 100644
--- a/Raylib-cs/types/Raylib.Utils.cs
+++ b/Raylib-cs/types/Raylib.Utils.cs
@@ -911,15 +911,6 @@ public static unsafe partial class Raylib
         }
     }
 
-    /// <summary>Unload mesh from memory (RAM and/or VRAM)</summary>
-    public static void UnloadMesh(ref Mesh mesh)
-    {
-        fixed (Mesh* p = &mesh)
-        {
-            UnloadMesh(p);
-        }
-    }
-
     /// <summary>Set texture for a material map type (MAP_DIFFUSE, MAP_SPECULAR...)</summary>
     public static void SetMaterialTexture(ref Material material, MaterialMapIndex mapType, Texture2D texture)
     {