scummvm/engines/scumm/imuse/instrument.h
Jamieson Christian 2469e00248 SysEx data now passed around with const pointers. Permits simplification of some SysEx client code.
Testing on Windows. Developers on other platforms, please verify integrity of music handling in your respective MidiDrivers.

svn-id: r20952
2006-02-27 01:59:07 +00:00

80 lines
2.1 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2006 The ScummVM project
*
* 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.
*
* $URL$
* $Id$
*/
#ifndef INSTRUMENT_H
#define INSTRUMENT_H
#include "common/stdafx.h"
#include "common/scummsys.h"
class MidiChannel;
namespace Scumm {
class Serializer;
class Instrument;
class InstrumentInternal {
public:
virtual ~InstrumentInternal() {}
virtual void saveOrLoad (Serializer *s) = 0;
virtual void send (MidiChannel *mc) = 0;
virtual void copy_to (Instrument *dest) = 0;
virtual bool is_valid() = 0;
virtual operator int() { return 255; }
};
class Instrument {
private:
byte _type;
InstrumentInternal *_instrument;
public:
enum {
itNone = 0,
itProgram = 1,
itAdlib = 2,
itRoland = 3
};
Instrument() : _type (0), _instrument (0) { }
~Instrument() { delete _instrument; }
static void nativeMT32 (bool native);
static const byte _gmRhythmMap[35];
void clear();
void copy_to (Instrument *dest) { if (_instrument) _instrument->copy_to (dest); else dest->clear(); }
void program (byte program, bool mt32);
void adlib (const byte *instrument);
void roland (const byte *instrument);
byte getType() { return _type; }
bool isValid() { return (_instrument ? _instrument->is_valid() : false); }
void saveOrLoad (Serializer *s);
void send (MidiChannel *mc) { if (_instrument) _instrument->send (mc); }
};
} // End of namespace Scumm
#endif