src/sound/null_s.h

   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 null_s.h Base for the sound of silence. */
  11
  12 #ifndef SOUND_NULL_H
  13 #define SOUND_NULL_H
  14
  15 #include "sound_driver.hpp"
  16
  17 /** Implementation of the null sound driver. */
  18 class SoundDriver_Null : public SoundDriver {
  19 public:
  20         /* virtual */ const char *Start(const char * const *param) { return NULL; }
  21
  22         /* virtual */ void Stop() { }
  23         /* virtual */ const char *GetName() const { return "null"; }
  24 };
  25
  26 /** Factory for the null sound driver. */
  27 class FSoundDriver_Null : public DriverFactoryBase {
  28 public:
  29         FSoundDriver_Null() : DriverFactoryBase(Driver::DT_SOUND, 1, "null", "Null Sound Driver") {}
  30         /* virtual */ Driver *CreateInstance() const { return new SoundDriver_Null(); }
  31 };
  32
  33 #endif /* SOUND_NULL_H */