src/sound/sound_driver.hpp

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file sound_driver.hpp Base for all sound drivers. */
  11
  12 #ifndef SOUND_SOUND_DRIVER_HPP
  13 #define SOUND_SOUND_DRIVER_HPP
  14
  15 #include "../driver.h"
  16
  17 /** Base for all sound drivers. */
  18 class SoundDriver : public Driver {
  19 public:
  20         /** Called once every tick */
  21         virtual void MainLoop() {}
  22
  23         /**
  24          * Get the currently active instance of the sound driver.
  25          */
  26         static SoundDriver *GetInstance() {
  27                 return static_cast<SoundDriver*>(*DriverFactoryBase::GetActiveDriver(Driver::DT_SOUND));
  28         }
  29 };
  30
  31 extern char *_ini_sounddriver;
  32
  33 #endif /* SOUND_SOUND_DRIVER_HPP */