00001 /* $Id: music_driver.hpp 26544 2014-04-29 18:41:19Z frosch $ */ 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 00046 static MusicDriver *GetInstance() { 00047 return static_cast<MusicDriver*>(*DriverFactoryBase::GetActiveDriver(Driver::DT_MUSIC)); 00048 } 00049 }; 00050 00051 extern char *_ini_musicdriver; 00052 00053 #endif /* MUSIC_MUSIC_DRIVER_HPP */