scummvm/engines/cge2/sound.h
2021-12-26 18:48:43 +01:00

129 lines
3.0 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
/*
* This code is based on original Sfinx source code
* Copyright (c) 1994-1997 Janusz B. Wisniewski and L.K. Avalon
*/
#ifndef CGE2_SOUND_H
#define CGE2_SOUND_H
#include "audio/midiplayer.h"
#include "audio/mixer.h"
namespace Audio {
class RewindableAudioStream;
}
namespace CGE2 {
class CGE2Engine;
class EncryptedStream;
// sample info
struct SmpInfo {
const uint8 *_saddr; // address
uint16 _slen; // length
uint16 _span; // left/right pan (0-15)
int _counter; // number of time the sample should be played
};
class DataCk {
byte *_buf;
int _ckSize;
public:
DataCk(byte *buf, int bufSize);
~DataCk();
inline const byte *addr() {
return _buf;
}
inline int size() {
return _ckSize;
}
};
class Sound {
public:
SmpInfo _smpinf;
explicit Sound(CGE2Engine *vm);
~Sound();
void open();
void close();
void play(Audio::Mixer::SoundType soundType, int ref, int sub, int pan = 8);
int16 getRepeat();
void setRepeat(int16 count);
void stop();
void checkSoundHandles();
private:
int _soundRepeatCount;
CGE2Engine *_vm;
Audio::SoundHandle _sfxHandle;
Audio::SoundHandle _speechHandle;
Audio::RewindableAudioStream *_audioStream;
void sndDigiStart(SmpInfo *PSmpInfo, Audio::Mixer::SoundType soundType);
void sndDigiStop(Audio::SoundHandle &handle);
};
class Fx {
CGE2Engine *_vm;
DataCk *loadWave(EncryptedStream *file);
Common::String name(int ref, int sub);
public:
DataCk *_current;
Fx(CGE2Engine *vm, int size);
~Fx();
void clear();
bool exist(int ref, int sub = 0);
DataCk *load(int ref, int sub = 0);
};
class MusicPlayer: public Audio::MidiPlayer {
private:
CGE2Engine *_vm;
byte *_data;
int _dataSize;
bool _isGM;
// Start MIDI File
void sndMidiStart();
// Stop MIDI File
void sndMidiStop();
public:
explicit MusicPlayer(CGE2Engine *vm);
~MusicPlayer() override;
void loadMidi(int ref);
void killMidi();
void send(uint32 b) override;
void sendToChannel(byte channel, uint32 b) override;
};
} // End of namespace CGE2
#endif // CGE2_SOUND_H