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/* 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.
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#ifndef HUGO_SOUND_H
#define HUGO_SOUND_H
#include "audio/mixer.h"
#include "audio/midiplayer.h"
namespace Audio {
class PCSpeaker;
}
namespace Hugo {
class MidiPlayer : public Audio::MidiPlayer {
public:
MidiPlayer();
void pause(bool p);
void play(uint8 *stream, uint16 size);
// The following line prevents compiler warnings about hiding the pause()
// method from the parent class.
// FIXME: Maybe the pause(bool p) method should be removed and the
// pause/resume methods of the parent class be used instead?
virtual void pause() { Audio::MidiPlayer::pause(); }
uint32 getBaseTempo();
// Overload Audio::MidiPlayer method
virtual void sendToChannel(byte channel, uint32 b);
virtual void onTimer();
private:
bool _paused;
};
class SoundHandler {
public:
SoundHandler(HugoEngine *vm);
~SoundHandler();
static const int kHugoCNT = 1190000;
int8 _pcspkrTimer; // Timer (ticks) for note being played
int8 _pcspkrOctave; // Current octave 1..7
int8 _pcspkrNoteDuration; // Current length of note (ticks)
const char *_DOSSongPtr;
const char *_DOSIntroSong;
void toggleMusic();
void toggleSound();
void setMusicVolume();
static void loopPlayer(void *refCon);
void pcspkr_player();
void playMusic(int16 tune);
void playSound(int16 sound, const byte priority);
void initSound();
void syncVolume();
void checkMusic();
void loadIntroSong(Common::ReadStream &in);
void initPcspkrPlayer();
protected:
byte _curPriority; // Priority of currently playing sound
private:
HugoEngine *_vm;
Audio::SoundHandle _soundHandle;
MidiPlayer *_midiPlayer;
Audio::PCSpeaker *_speakerStream;
Audio::SoundHandle _speakerHandle;
void stopSound();
void stopMusic();
void playMIDI(SoundPtr seqPtr, uint16 size);
};
} // End of namespace Hugo
#endif //HUGO_SOUND_H
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