scummvm/engines/agos/midiparser_gmf.h

58 lines
1.8 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 AGOS_MIDIPARSER_GMF_H
#define AGOS_MIDIPARSER_GMF_H
#include "audio/midiparser_smf.h"
namespace AGOS {
/**
* MIDI parser for the GMF format used by the DOS (and Acorn CD) versions of
* Simon The Sorcerer. GMF is basically SMF but with the following differences:
* - Different header
* - Tempo is determined by a header field
* - Just a single track with no track header
* - No end of track or other meta events
*/
class MidiParser_GMF : public MidiParser_SMF {
public:
MidiParser_GMF(int8 source = -1, bool useDosTempos = false);
bool loadMusic(byte *data, uint32 size) override;
protected:
void parseNextEvent(EventInfo &info) override;
// The end position of each track, exclusive
// (i.e. 1 byte past the end of the data).
byte *_tracksEndPos[MAXIMUM_TRACKS];
// True if the music tempos from the DOS version should be used; false if
// the tempos from the Windows version should be used.
bool _useDosTempos;
};
} // End of namespace AGOS
#endif