scummvm/engines/kyra/sound_adlib.h

109 lines
3.1 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* LGPL License
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef KYRA_SOUND_ADLIB_H
#define KYRA_SOUND_ADLIB_H
#include "kyra/sound.h"
#include "common/mutex.h"
namespace Kyra {
class AdLibDriver;
/**
* AdLib implementation of the sound output device.
*
* It uses a special sound file format special to
* Dune II, Kyrandia 1 and 2. While Dune II and
* Kyrandia 1 are using exact the same format, the
* one of Kyrandia 2 slightly differs.
*
* See AdLibDriver for more information.
* @see AdLibDriver
*/
class SoundAdLibPC : public Sound {
public:
SoundAdLibPC(KyraEngine_v1 *vm, Audio::Mixer *mixer);
~SoundAdLibPC();
virtual kType getMusicType() const { return kAdLib; }
virtual bool init();
virtual void process();
virtual void updateVolumeSettings();
virtual void loadSoundFile(uint file);
virtual void loadSoundFile(Common::String file);
virtual void playTrack(uint8 track);
virtual void haltTrack();
virtual bool isPlaying() const;
virtual void playSoundEffect(uint8 track, uint8 volume = 0xff);
virtual void beginFadeOut();
virtual int checkTrigger();
virtual void resetTrigger();
private:
void internalLoadFile(Common::String file);
void play(uint8 track, uint8 volume);
AdLibDriver *_driver;
int _version;
uint8 _trackEntries[500];
uint8 *_soundDataPtr;
int _sfxPlayingSound;
Common::String _soundFileLoaded;
int _numSoundTriggers;
const int *_soundTriggers;
static const int _kyra1NumSoundTriggers;
static const int _kyra1SoundTriggers[];
};
} // End of namespace Kyra
#endif