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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/* 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 GOB_GLOBAL_H
#define GOB_GLOBAL_H
#include "common/file.h"
#include "common/endian.h"
#include "gob/video.h"
namespace Gob {
#define VIDMODE_CGA 0x05
#define VIDMODE_EGA 0x0D
#define VIDMODE_VGA 0x13
#define VIDMODE_HER 7
#define PROAUDIO_FLAG 0x10
#define ADLIB_FLAG 0x08
#define BLASTER_FLAG 0x04
#define INTERSOUND_FLAG 0x02
#define SPEAKER_FLAG 0x01
#define MIDI_FLAG 0x4000
#define NO 0
#define YES 1
#define UNDEF 2
#define F1_KEY 0x3B00
#define F2_KEY 0x3C00
#define F3_KEY 0x3D00
#define F4_KEY 0x3E00
#define F5_KEY 0x3F00
#define F6_KEY 0x4000
#define ESCAPE 0x001B
#define ENTER 0x000D
/* Video drivers */
#define UNK_DRIVER 0
#define VGA_DRIVER 1
#define EGA_DRIVER 2
#define CGA_DRIVER 3
#define HER_DRIVER 4
class Global {
public:
char _pressedKeys[128];
int16 _presentCGA;
int16 _presentEGA;
int16 _presentVGA;
int16 _presentHER;
int16 _videoMode;
int16 _fakeVideoMode;
int16 _oldMode;
int16 _frameWaitTime;
int32 _startFrameTime;
uint16 _soundFlags;
uint16 _language;
uint16 _languageWanted;
char _useMouse;
int16 _mousePresent;
int16 _mouseXShift;
int16 _mouseYShift;
int16 _mouseMaxCol;
int16 _mouseMaxRow;
char _useJoystick;
int16 _primaryWidth;
int16 _primaryHeight;
int16 _colorCount;
char _redPalette[256];
char _greenPalette[256];
char _bluePalette[256];
int16 _unusedPalette1[18];
int16 _unusedPalette2[16];
Video::Color _vgaPalette[16];
Video::PalDesc _paletteStruct;
Video::PalDesc *_pPaletteDesc;
bool _setAllPalette;
bool _dontSetPalette;
SurfaceDesc::Ptr _primarySurfDesc;
int16 _debugFlag;
int16 _inVM;
char _inter_resStr[200];
int32 _inter_resVal;
byte *_inter_variablesSizes; // 0: single byte, 1: two bytes, 3: four bytes
byte *_inter_variables;
byte *_inter_execPtr;
int16 _inter_animDataSize;
int16 _inter_mouseX;
int16 _inter_mouseY;
// Can be 1, 2 or 3 for normal, double and triple speed, respectively
uint8 _speedFactor;
void clearVars(uint32 count) {
uint32 size = count * 4;
memset(_inter_variables, 0, size);
memset(_inter_variablesSizes, 0, size);
for (uint32 i = 0; i < size; i += 4)
_inter_variablesSizes[i] = 3;
}
void writeVarSizeStr(uint32 offset, uint32 len) {
uint32 i;
uint32 inVar;
uint32 varOff;
inVar = offset % 4;
varOff = (offset >> 2) << 2;
for (i = 0; i < 4; i++) {
if (_inter_variablesSizes[varOff + i] == 3)
_inter_variablesSizes[varOff + i] = 0;
else if ((inVar == (i+1)) && (_inter_variablesSizes[varOff + i] == 1))
_inter_variablesSizes[varOff + i] = 0;
}
memset(_inter_variablesSizes + offset, 0, len);
}
void writeVar(uint32 offset, uint32 val) {
WRITE_UINT32(_inter_variables + offset, val);
writeVarSize(offset, 3);
}
void writeVar(uint32 offset, uint16 val) {
WRITE_UINT16(_inter_variables + offset, val);
writeVarSize(offset, 1);
}
void writeVar(uint32 offset, uint8 val) {
(*(uint8 *)(_inter_variables + offset)) = val;
writeVarSize(offset, 0);
}
void writeVar(uint32 offset, const char *str) {
writeVarSizeStr(offset, strlen(str));
strcpy((char *) (_inter_variables + offset), str);
}
Global(GobEngine *vm);
~Global();
protected:
GobEngine *_vm;
void writeVarSize(uint32 offset, byte n) {
uint32 i;
uint32 inVar;
uint32 varOff;
inVar = offset % 4;
varOff = (offset >> 2) << 2;
for (i = 0; i < 4; i++) {
if (_inter_variablesSizes[varOff + i] == 3)
_inter_variablesSizes[varOff + i] = 0;
else if ((inVar == (i+1)) && (_inter_variablesSizes[varOff + i] == 1))
_inter_variablesSizes[varOff + i] = 0;
}
_inter_variablesSizes[offset] = n;
for (; n > 0; n--)
_inter_variablesSizes[offset + n] = 0;
}
};
} // End of namespace Gob
#endif // GOB_GLOBAL_H
|
