scummvm/engines/got/musicparser.h
2025-03-01 21:31:15 +01:00

77 lines
2 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/>.
*
*/
#ifndef GOT_MUSICPARSER_H
#define GOT_MUSICPARSER_H
#include "got/musicdriver_adlib.h"
#include "common/scummsys.h"
namespace Got {
class MusicParser_Got {
public:
MusicParser_Got();
~MusicParser_Got();
bool startPlaying();
void pausePlaying();
void resumePlaying();
void stopPlaying();
bool isPlaying();
void setMusicDriver(MusicDriver_Got *driver);
bool loadMusic(byte *data, uint32 size);
void unloadMusic();
void onTimer();
static void timerCallback(void *data);
protected:
void allNotesOff();
void sendToDriver(uint16 b);
void sendToDriver(byte reg, byte value);
void resetTracking();
bool _pause;
bool _abortParse;
// Number of ticks to the next event to process.
uint16 _currentDelta;
MusicDriver_Got *_driver;
// Points to start of current track data, or nullptr if no track is loaded.
byte *_track;
// The length of the track data.
uint32 _trackLength;
// The current play position in the track data, or nullptr if the parser is
// not playing.
byte *_playPos;
// The offset from the start of _track where playback should restart if the
// track has reached the end. -1 if there is no (valid) loop point defined.
int32 _loopStart;
};
} // namespace Got
#endif