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/*
* 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_m.h Base for the silent music playback. */
#ifndef MUSIC_NULL_H
#define MUSIC_NULL_H
#include "music_driver.hpp"
/** The music player that does nothing. */
class MusicDriver_Null : public MusicDriver {
public:
const char *Start(const StringList ¶m) override { return nullptr; }
void Stop() override { }
void PlaySong(const MusicSongInfo &song) override { }
void StopSong() override { }
bool IsSongPlaying() override { return true; }
void SetVolume(byte vol) override { }
const char *GetName() const override { return "null"; }
};
/** Factory for the null music player. */
class FMusicDriver_Null : public DriverFactoryBase {
public:
FMusicDriver_Null() : DriverFactoryBase(Driver::DT_MUSIC, 1, "null", "Null Music Driver") {}
Driver *CreateInstance() const override { return new MusicDriver_Null(); }
};
#endif /* MUSIC_NULL_H */
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