src/sound/sound_driver.hpp

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