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
|
/* 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.
*
*/
#ifndef SKY_MUSIC_GMCHANNEL_H
#define SKY_MUSIC_GMCHANNEL_H
#include "sky/music/musicbase.h"
class MidiDriver;
namespace Sky {
typedef struct {
uint16 eventDataPtr;
int32 nextEventTime;
uint16 loopPoint;
uint8 midiChannelNumber;
uint8 note;
bool channelActive;
} MidiChannelType;
class GmChannel : public ChannelBase {
public:
GmChannel(uint8 *pMusicData, uint16 startOfData, MidiDriver *pMidiDrv, const byte *pInstMap, const byte *veloTab);
~GmChannel();
virtual void stopNote();
virtual uint8 process(uint16 aktTime);
virtual void updateVolume(uint16 pVolume);
virtual bool isActive();
private:
const byte *_instMap;
const byte *_veloTab;
MidiDriver *_midiDrv;
uint8 *_musicData;
uint16 _musicVolume;
MidiChannelType _channelData;
uint8 _currentChannelVolume;
//- normal subs
void setRegister(uint8 regNum, uint8 value);
int32 getNextEventTime();
uint16 getNextNote(uint8 param);
void adlibSetupInstrument();
void setupInstrument(uint8 opcode);
void setupChannelVolume(uint8 volume);
//- Streamfunctions from Command90hTable
void com90_caseNoteOff(); // 0
void com90_stopChannel(); // 1
void com90_setupInstrument(); // 2
uint8 com90_updateTempo(); // 3
//void com90_dummy(); // 4
void com90_getPitch(); // 5
void com90_getChannelVolume(); // 6
//void com90_skipTremoVibro(); // 7
void com90_loopMusic(); // 8
void com90_keyOff(); // 9
//void com90_error(); // 10
void com90_getChannelPanValue(); // 11
void com90_setLoopPoint(); // 12
void com90_getChannelControl(); // 13
};
} // End of namespace Sky
#endif //SKYGMCHANNEL_H
|
