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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.
*
* $URL$
* $Id$
*
*/
/*
* 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/mididrv.h"
#include "audio/midiparser.h"
#include "audio/softsynth/pcspk.h"
namespace Hugo {
class MidiPlayer : public MidiDriver {
public:
MidiPlayer(MidiDriver *driver);
~MidiPlayer();
bool isPlaying() const;
int getVolume() const;
void adjustVolume(int diff);
void pause(bool p);
void play(uint8 *stream, uint16 size);
void setChannelVolume(int channel);
void setLooping(bool loop);
void setVolume(int volume);
void stop();
void syncVolume();
void updateTimer();
// MidiDriver interface
int open();
MidiChannel *allocateChannel();
MidiChannel *getPercussionChannel();
void close();
void metaEvent(byte type, byte *data, uint16 length);
void send(uint32 b);
void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
uint32 getBaseTempo();
private:
static void timerCallback(void *p);
static const int kNumbChannels = 16;
MidiDriver *_driver;
MidiParser *_parser;
uint8 *_midiData;
bool _isLooping;
bool _isPlaying;
bool _paused;
int _masterVolume;
MidiChannel *_channelsTable[kNumbChannels];
uint8 _channelsVolume[kNumbChannels];
Common::Mutex _mutex;
};
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(sound_pt seq_p, uint16 size);
};
} // End of namespace Hugo
#endif //HUGO_SOUND_H
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