/* $Id$ */ /* * This file is part of OpenTTD. * 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. * 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. * 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/>. */ /** @file null_s.h Base for the sound of silence. */ #ifndef SOUND_NULL_H #define SOUND_NULL_H #include "sound_driver.hpp" /** Implementation of the null sound driver. */ class SoundDriver_Null: public SoundDriver { public: /* virtual */ const char *Start(const char * const *param) { return NULL; } /* virtual */ void Stop() { } /* virtual */ const char *GetName() const { return "null"; } }; /** Factory for the null sound driver. */ class FSoundDriver_Null: public SoundDriverFactory<FSoundDriver_Null> { public: static const int priority = 1; /* virtual */ const char *GetName() { return "null"; } /* virtual */ const char *GetDescription() { return "Null Sound Driver"; } /* virtual */ Driver *CreateInstance() { return new SoundDriver_Null(); } }; #endif /* SOUND_NULL_H */