soundcd.h

/* 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/>.
 *
 */
 
#ifndef SCUMM_SOUNDCD_H
#define SCUMM_SOUNDCD_H
 
#include "backends/audiocd/audiocd.h"
#include "common/scummsys.h"
#include "common/serializer.h"
 
namespace Scumm {
 
// The number of "ticks" (1/10th of a second) into the Overture that the
// LucasFilm logo should appear. This corresponds to a timer value of 204.
// The default value is selected to work well with the Ozawa recording.
 
#define DEFAULT_LOOM_OVERTURE_TRANSITION 1160
 
class ScummEngine;
class SoundSE;
 
class SoundCD {
private:
    ScummEngine *_vm;
    Audio::Mixer *_mixer;
    SoundSE *_soundSE;
 
    Audio::SoundHandle *_fileBasedCDAudioHandle;
    bool _hasFileBasedCDAudio = false;
    AudioCDManager::Status _fileBasedCDStatus;
 
    int _musicTimer = 0;
 
    bool _useReplacementAudioTracks = false;
    int _loomOvertureTransition = 0;
    uint32 _replacementTrackStartTime = 0;
 
public:
    int16 _currentCDSound = 0;
    uint32 _cdMusicTimerMod = 0;
    uint32 _cdMusicTimer = 0;
    bool _soundsPaused = false;
 
    SoundCD(ScummEngine *parent, Audio::Mixer *mixer, SoundSE *soundSE, bool useReplacementAudioTracks);
    ~SoundCD();
 
    bool triggerCDSound(int soundID);
    void stopCDSound(int sound);
    void stopAllCDSounds();
    void pauseCDSounds(bool pause);
 
    bool useReplacementAudio() const { return _useReplacementAudioTracks; }
    void updateMusicTimer();
    int getMusicTimer() const { return _musicTimer; }
    int getCDMusicTimer() const { return _cdMusicTimer; }
 
    void startCDTimer();
    void stopCDTimer();
 
    int playCDTrackFromSoundID(int soundId);
    void playCDTrack(int track, int numLoops, int startFrame, int duration);
    void stopCD();
    int pollCD() const;
    void updateCD();
    AudioCDManager::Status getCDStatus();
    int getCurrentCDSound() const { return _currentCDSound; }
 
    int restoreAfterLoad();
    void restoreCDAudioAfterLoad(AudioCDManager::Status &info);
 
    bool isRolandLoom() const;
 
private:
    int getReplacementAudioTrack(int soundID);
    void playCDTrackInternal(int track, int numLoops, int startFrame, int duration);
    int getCDTrackIdFromSoundId(int soundId, int &loops, int &start, int &end);
};
 
} // End of namespace Scumm
 
#endif