Ajouts de musique et irrKlang.

SQCSim2021/external/irrKlang-1.6.0/examples.net/CSharp.04.OverrideFileAccess/Class1.cs

@@ -0,0 +1,92 @@
+// This example will show how to override file access with irrKlang.
+// This is useful if you want to read sounds from other sources than
+// just files, for example from custom internet streams or 
+// an own encypted archive format.
+
+using System;
+using System.IO;
+using IrrKlang;
+
+namespace CSharp._04._OverrideFileAccess
+{
+	class Class1
+	{
+		// To start, we need to implement the class IFileFactory, which irrKlang uses
+		// to open files. The interface consists only of one single method named 
+		// openFile(String filename). In this method, we create return 
+		// our own file access class and return it:
+
+		class MyIrrKlangFileFactory : IrrKlang.IFileFactory
+		{
+			public System.IO.Stream openFile(String filename)
+			{
+				// we simply could return an opened FileStream here, but to demonstrate
+				// overriding, we return our own filestream implementation
+				return new MyFileStream(filename);
+			}
+		}
+
+		// an own implementation of FileStream to overwrite read access to files 
+		public class MyFileStream : System.IO.FileStream
+		{
+			public MyFileStream(String filename) : base(filename, FileMode.Open)
+			{
+			}		
+	
+			public override int Read(byte[] array, int offset, int count)
+			{
+				System.Console.Out.WriteLine("MyFileStream read bytes: " + count);
+				return base.Read(array, offset, count);
+			}
+
+			public override long Seek(long offset, SeekOrigin origin)
+			{
+				System.Console.Out.WriteLine("MyFileStream seeked to: " + offset);
+				return base.Seek(offset, origin);
+			}
+		};
+
+
+
+		// The main work is done, the only thing missing is to start up the 
+		// sound engine and tell it to use the created FileFactory for file access:
+
+		// irrKlang 3D sound engine example 04, 
+		// demonstrating how to override file access of irrKlang
+		[STAThread]
+		static void Main(string[] args)
+		{
+			// start the sound engine with default parameters
+			ISoundEngine engine = new ISoundEngine();
+
+			// create an instance of the file factory and let
+			// irrKlang know about it. 
+
+			MyIrrKlangFileFactory myfactory = new MyIrrKlangFileFactory();
+			engine.AddFileFactory(myfactory);
+
+			// that's it, play some sounds with our overriden
+			// file access methods:
+
+			// now play some sounds until user presses 'q'
+
+			Console.Out.WriteLine("\nDemonstrating file access overriding.");
+			Console.Out.WriteLine("Press any key to play some sound, press ESCAPE to quit.");
+
+			_getch();
+
+			engine.Play2D("../../media/getout.ogg", true);			
+
+			do
+			{
+				// play some wave sound
+				engine.Play2D("../../media/bell.wav");
+			}
+			while(_getch() != 27); // user pressed eskape key to cancel
+		}
+		
+		// some simple function for reading keys from the console
+		[System.Runtime.InteropServices.DllImport("msvcrt")]
+		static extern int _getch();
+	}
+}