OpenTTD-patches/src/music/allegro_m.h

/*
 * 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 allegro_m.h Base support for playing music via allegro. */

#ifndef MUSIC_ALLEGRO_H
#define MUSIC_ALLEGRO_H

#include "music_driver.hpp"

/** Allegro's music player. */
class MusicDriver_Allegro : public MusicDriver {
public:
	const char *Start(const StringList &param) override;

	void Stop() override;

	void PlaySong(const MusicSongInfo &song) override;

	void StopSong() override;

	bool IsSongPlaying() override;

	void SetVolume(byte vol) override;
	const char *GetName() const override { return "allegro"; }
};

/** Factory for allegro's music player. */
class FMusicDriver_Allegro : public DriverFactoryBase {
public:
#if !defined(WITH_SDL) && defined(WITH_ALLEGRO)
	/* If SDL is not compiled in but Allegro is, chances are quite big
	 * that Allegro is going to be used. Then favour this sound driver
	 * over extmidi because with extmidi we get crashes. */
	static const int PRIORITY = 9;
#else
	static const int PRIORITY = 2;
#endif
	FMusicDriver_Allegro() : DriverFactoryBase(Driver::DT_MUSIC, PRIORITY, "allegro", "Allegro MIDI Driver") {}
	Driver *CreateInstance() const override { return new MusicDriver_Allegro(); }
};

#endif /* MUSIC_ALLEGRO_H */