Reorganize types

- Move into types folder
- Group types based on usage

Raylib-cs/types/Audio.cs

@@ -0,0 +1,107 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Raylib_cs
+{
+    /// <summary>Wave type, defines audio wave data</summary>
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Wave
+    {
+        /// <summary>
+        /// Number of samples
+        /// </summary>
+        public uint sampleCount;
+
+        /// <summary>
+        /// Frequency (samples per second)
+        /// </summary>
+        public uint sampleRate;
+
+        /// <summary>
+        /// Bit depth (bits per sample): 8, 16, 32 (24 not supported)
+        /// </summary>
+        public uint sampleSize;
+
+        /// <summary>
+        /// Number of channels (1-mono, 2-stereo)
+        /// </summary>
+        public uint channels;
+
+        /// <summary>
+        /// Buffer data pointer (void *)
+        /// </summary>
+        public IntPtr data;
+    }
+
+    /// <summary>Audio stream type
+    /// NOTE: Useful to create custom audio streams not bound to a specific file</summary>
+    [StructLayout(LayoutKind.Sequential)]
+    public struct AudioStream
+    {
+        /// <summary>
+        /// Pointer to internal data(rAudioBuffer *) used by the audio system
+        /// </summary>
+        public IntPtr audioBuffer;
+
+        /// <summary>
+        /// Frequency (samples per second)
+        /// </summary>
+        public uint sampleRate;
+
+        /// <summary>
+        /// Bit depth (bits per sample): 8, 16, 32 (24 not supported)
+        /// </summary>
+        public uint sampleSize;
+
+        /// <summary>
+        /// Number of channels (1-mono, 2-stereo)
+        /// </summary>
+        public uint channels;
+    }
+
+    /// <summary>Sound source type</summary>
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Sound
+    {
+        /// <summary>
+        /// Audio stream
+        /// </summary>
+        public AudioStream stream;
+
+        /// <summary>
+        /// Total number of frames (considering channels)
+        /// </summary>
+        public uint frameCount;
+    }
+
+    /// <summary>Music stream type (audio file streaming from memory)
+    /// NOTE: Anything longer than ~10 seconds should be streamed</summary>
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Music
+    {
+        /// <summary>
+        /// Audio stream
+        /// </summary>
+        public AudioStream stream;
+
+        /// <summary>
+        /// Total number of samples
+        /// </summary>
+        public uint frameCount;
+
+        /// <summary>
+        /// Music looping enable
+        /// </summary>
+        public byte looping;
+
+        /// <summary>
+        /// Type of music context (audio filetype)
+        /// </summary>
+        public int ctxType;
+
+        /// <summary>
+        /// Audio context data, depends on type (void *)
+        /// </summary>
+        public IntPtr ctxData;
+    }
+}