null_m.h

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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/>.
 */
 
#ifndef MUSIC_NULL_H
#define MUSIC_NULL_H
 
#include "music_driver.hpp"
 
class MusicDriver_Null : public MusicDriver {
public:
  std::optional<std::string_view> Start(const StringList &) override { return std::nullopt; }
 
  void Stop() override { }
 
  void PlaySong(const MusicSongInfo &) override { }
 
  void StopSong() override { }
 
  bool IsSongPlaying() override { return true; }
 
  void SetVolume(uint8_t) override { }
  std::string_view GetName() const override { return "null"; }
};
 
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 */