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
80
81
|
/* 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_IMUSE_H
#define SCUMM_IMUSE_H
#include "audio/mididrv.h"
#include "common/scummsys.h"
#include "common/serializer.h"
#include "common/mutex.h"
#include "scumm/music.h"
class MidiDriver;
class OSystem;
namespace Scumm {
class IMuseInternal;
class Player;
class ScummEngine;
typedef void (*sysexfunc)(Player *, const byte *, uint16);
/**
* iMuse implementation interface.
* MusicEngine derivative for state-tracked, interactive,
* persistent event-based music playback and control.
* This class serves as an interface to actual implementations
* so that client code is not exposed to the details of
* any specific implementation.
*/
class IMuse : public MusicEngine {
public:
enum {
PROP_TEMPO_BASE,
PROP_LIMIT_PLAYERS,
PROP_RECYCLE_PLAYERS
};
public:
virtual void on_timer(MidiDriver *midi) = 0;
virtual void pause(bool paused) = 0;
virtual void saveLoadIMuse(Common::Serializer &ser, ScummEngine *scumm, bool fixAfterLoad = true) = 0;
virtual bool get_sound_active(int sound) const = 0;
virtual int32 doCommand(int numargs, int args[]) = 0;
virtual int clear_queue() = 0;
virtual uint32 property(int prop, uint32 value) = 0;
virtual void addSysexHandler(byte mfgID, sysexfunc handler) = 0;
public:
virtual void startSoundWithNoteOffset(int sound, int offset) = 0;
// MusicEngine base class methods.
// Not actually redefined here because none are implemented.
public:
// Factory methods
static IMuse *create(ScummEngine *vm, MidiDriver *nativeMidiDriver, MidiDriver *adlibMidiDriver, MidiDriverFlags sndType, bool nativeMT32);
};
} // End of namespace Scumm
#endif
|
