null_m.h

00001 /* $Id: null_m.h 10471 2007-07-07 20:31:23Z peter1138 $ */
00002 
00003 #ifndef MUSIC_NULL_H
00004 #define MUSIC_NULL_H
00005 
00006 #include "music_driver.hpp"
00007 
00008 class MusicDriver_Null: public MusicDriver {
00009 public:
00010   /* virtual */ const char *Start(const char * const *param) { return NULL; }
00011 
00012   /* virtual */ void Stop() { }
00013 
00014   /* virtual */ void PlaySong(const char *filename) { }
00015 
00016   /* virtual */ void StopSong() { }
00017 
00018   /* virtual */ bool IsSongPlaying() { return true; }
00019 
00020   /* virtual */ void SetVolume(byte vol) { }
00021 };
00022 
00023 class FMusicDriver_Null: public MusicDriverFactory<FMusicDriver_Null> {
00024 public:
00025   static const int priority = 0;
00026   /* virtual */ const char *GetName() { return "null"; }
00027   /* virtual */ const char *GetDescription() { return "Null Music Driver"; }
00028   /* virtual */ Driver *CreateInstance() { return new MusicDriver_Null(); }
00029 };
00030 
00031 #endif /* MUSIC_NULL_H */

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