(svn r10444) -Codechange: switch to c++ classes and inheritance for sound/music/video drivers, using self-registration based on the blitter-model.

src/music/music_driver.hpp

@@ -0,0 +1,35 @@
+/* $Id$ */
+
+#ifndef MUSIC_MUSIC_DRIVER_HPP
+#define MUSIC_MUSIC_DRIVER_HPP
+
+#include "../driver.h"
+
+class MusicDriver: public Driver {
+public:
+	virtual void PlaySong(const char *filename) = 0;
+
+	virtual void StopSong() = 0;
+
+	virtual bool IsSongPlaying() = 0;
+
+	virtual void SetVolume(byte vol) = 0;
+};
+
+class MusicDriverFactoryBase: public DriverFactoryBase {
+};
+
+template <class T>
+class MusicDriverFactory: public MusicDriverFactoryBase {
+public:
+	MusicDriverFactory() { this->RegisterDriver(((T *)this)->GetName(), Driver::DT_MUSIC); }
+
+	/**
+	 * Get the long, human readable, name for the Driver-class.
+	 */
+	const char *GetName();
+};
+
+extern MusicDriver *_music_driver;
+
+#endif /* MUSIC_MUSIC_DRIVER_HPP */