00001 /* $Id: music_driver.hpp 26108 2013-11-25 14:30:22Z rubidium $ */ 00002 00003 /* 00004 * This file is part of OpenTTD. 00005 * 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. 00006 * 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. 00007 * 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/>. 00008 */ 00009 00012 #ifndef MUSIC_MUSIC_DRIVER_HPP 00013 #define MUSIC_MUSIC_DRIVER_HPP 00014 00015 #include "../driver.h" 00016 00018 class MusicDriver : public Driver { 00019 public: 00024 virtual void PlaySong(const char *filename) = 0; 00025 00029 virtual void StopSong() = 0; 00030 00035 virtual bool IsSongPlaying() = 0; 00036 00041 virtual void SetVolume(byte vol) = 0; 00042 }; 00043 00044 extern MusicDriver *_music_driver; 00045 extern char *_ini_musicdriver; 00046 00047 #endif /* MUSIC_MUSIC_DRIVER_HPP */