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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001/2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef IMUSE_H
#define IMUSE_H
class IMuseInternal;
class MidiDriver;
class OSystem;
class Scumm;
struct Serializer;
class SoundMixer;
class IMuse {
public:
enum {
PROP_TEMPO_BASE = 1,
};
IMuse() { }
virtual ~IMuse() { };
virtual void on_timer() = 0; // For the MacOS 9 port only
virtual void pause(bool paused) = 0;
virtual int save_or_load(Serializer *ser, Scumm *scumm) = 0;
virtual int set_music_volume(uint vol) = 0;
virtual int get_music_volume() = 0;
virtual int set_master_volume(uint vol) = 0;
virtual int get_master_volume() = 0;
virtual bool start_sound(int sound) = 0;
virtual int stop_sound(int sound) = 0;
virtual int stop_all_sounds() = 0;
virtual int get_sound_status(int sound) = 0;
virtual int32 do_command(int a, int b, int c, int d, int e, int f, int g, int h) = 0;
virtual int clear_queue() = 0;
virtual void setBase(byte **base) = 0;
virtual uint32 property(int prop, uint32 value) = 0;
// Factory methods
static IMuse *create(OSystem *syst, MidiDriver *midi, SoundMixer *mixer);
static IMuse *create_adlib(OSystem *syst, SoundMixer *mixer) {
return create(syst, NULL, mixer);
}
static IMuse *create_midi(OSystem *syst, MidiDriver *midi) {
return create(syst, midi, NULL);
}
};
#define MAX_DIGITAL_CHANNELS 8
#define MAX_IMUSE_JUMPS 1
#define MAX_IMUSE_REGIONS 3
class IMuseDigital {
private:
struct region {
uint32 _offset; // begin of region
uint32 _length; // lenght of region
};
struct jump {
uint32 _offset; // jump position
uint32 _dest; // jump to
uint32 _id; // id of jump
uint32 _numLoops; // allmost 500 except one value: 2
};
struct channel {
int8 _volumeRight;
int8 _volume;
int8 _volumeFade;
int8 _volumeFadeParam;
int8 _volumeFadeStep;
uint32 _delay;
bool _isJump;
uint32 _numLoops;
uint32 _offsetStop;
jump _jump[MAX_IMUSE_JUMPS];
uint32 _numJumps;
region _region[MAX_IMUSE_REGIONS];
uint32 _numRegions;
uint32 _offset;
byte *_data;
uint32 _freq;
uint32 _channels;
uint32 _bits;
uint32 _size;
int32 _idSound;
uint32 _mixerSize;
uint8 _mixerFlags;
bool _used;
bool _toBeRemoved;
bool _initialized;
} _channel[MAX_DIGITAL_CHANNELS];
Scumm *_scumm;
bool _pause;
public:
IMuseDigital(Scumm *scumm);
~IMuseDigital();
void handler();
void startSound(int sound);
void stopSound(int sound);
void stopAll();
void pause(bool pause);
int32 doCommand(int a, int b, int c, int d, int e, int f, int g, int h);
int getSoundStatus(int sound);
};
#endif
|
