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
|
/* 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 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 SKY_MUSIC_MUSICBASE_H
#define SKY_MUSIC_MUSICBASE_H
#include "common/scummsys.h"
#include "common/mutex.h"
namespace Sky {
class Disk;
#define FILES_PER_SECTION 4
typedef struct {
uint8 musicToProcess;
} Actions;
class ChannelBase {
public:
virtual ~ChannelBase() {}
virtual uint8 process(uint16 aktTime) = 0;
virtual void updateVolume(uint16 pVolume) = 0;
virtual bool isActive(void) = 0;
private:
};
class MusicBase {
public:
MusicBase(Disk *pDisk);
virtual ~MusicBase(void);
void loadSection(uint8 pSection);
void startMusic(uint16 param);
void stopMusic();
bool musicIsPlaying(void);
uint8 giveVolume(void);
uint8 giveCurrentMusic(void);
virtual void setVolume(uint16 param) = 0;
protected:
Disk *_skyDisk;
uint8 *_musicData;
uint16 _musicDataLoc;
uint16 _driverFileBase;
uint16 _musicVolume, _numberOfChannels;
uint8 _currentMusic, _currentSection;
uint8 _musicTempo0; // can be changed by music stream
uint8 _musicTempo1; // given once per music
uint32 _tempo; // calculated from musicTempo0 and musicTempo1
uint32 _aktTime;
Actions _onNextPoll;
ChannelBase *_channels[10];
Common::Mutex _mutex;
virtual void setupPointers(void) = 0;
virtual void setupChannels(uint8 *channelData) = 0;
virtual void startDriver(void) = 0;
void updateTempo(void);
void loadNewMusic(void);
void pollMusic(void);
void stopMusicInternal(void);
};
} // End of namespace Sky
#endif //MUSICBASE_H
|
