/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. */ /** @file null_m.h Base for the silent music playback. */ #ifndef MUSIC_NULL_H #define MUSIC_NULL_H #include "music_driver.hpp" class MusicDriver_Null: public MusicDriver { public: /* virtual */ const char *Start(const char * const *param) { return NULL; } /* virtual */ void Stop() { } /* virtual */ void PlaySong(const char *filename) { } /* virtual */ void StopSong() { } /* virtual */ bool IsSongPlaying() { return true; } /* virtual */ void SetVolume(byte vol) { } /* virtual */ const char *GetName() const { return "null"; } }; class FMusicDriver_Null: public MusicDriverFactory<FMusicDriver_Null> { public: static const int priority = 1; /* virtual */ const char *GetName() { return "null"; } /* virtual */ const char *GetDescription() { return "Null Music Driver"; } /* virtual */ Driver *CreateInstance() { return new MusicDriver_Null(); } }; #endif /* MUSIC_NULL_H */