00001 /* $Id: music_driver.hpp 17248 2009-08-21 20:21:05Z 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 00017 class MusicDriver: public Driver { 00018 public: 00019 virtual void PlaySong(const char *filename) = 0; 00020 00021 virtual void StopSong() = 0; 00022 00023 virtual bool IsSongPlaying() = 0; 00024 00025 virtual void SetVolume(byte vol) = 0; 00026 }; 00027 00028 class MusicDriverFactoryBase: public DriverFactoryBase { 00029 }; 00030 00031 template <class T> 00032 class MusicDriverFactory: public MusicDriverFactoryBase { 00033 public: 00034 MusicDriverFactory() { this->RegisterDriver(((T *)this)->GetName(), Driver::DT_MUSIC, ((T *)this)->priority); } 00035 00039 const char *GetName(); 00040 }; 00041 00042 extern MusicDriver *_music_driver; 00043 extern char *_ini_musicdriver; 00044 00045 #endif /* MUSIC_MUSIC_DRIVER_HPP */