music_driver.hpp

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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 */