aboutsummaryrefslogtreecommitdiff
path: root/engines/scumm/imuse/instrument.h
blob: 49d8b00880cbb914c46c6caa1920e954c434b887 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/* 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