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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/* 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 M4_GRAPHICS_H
#define M4_GRAPHICS_H
#include "common/rect.h"
#include "common/system.h"
#include "common/stream.h"
#include "graphics/surface.h"
#include "m4/globals.h"
namespace M4 {
struct BGR8 {
uint8 b, g, r;
};
struct RGB8 {
uint8 r, g, b, u;
};
//later use ScummVM's Rect?
struct M4Rect {
int32 x1, y1, x2, y2;
};
class M4Surface;
// RGBList
// Implements a list of RGB entries
class RGBList {
private:
int _size;
RGB8 *_data;
byte *_palIndexes;
bool _freeData;
public:
RGBList(int numEntries = 256, RGB8 *srcData = NULL, bool freeData = true);
~RGBList();
RGB8 *data() { return _data; }
byte *palIndexes() { return _palIndexes; }
int size() { return _size; }
RGB8 &operator[](int idx) { return _data[idx]; }
void setRange(int start, int count, const RGB8 *src);
};
// M4Surface
// Class representing either a buffered surface or the physical screen.
class M4Sprite;
struct SpriteInfo {
M4Sprite *sprite;
int hotX, hotY;
int width, height;
int scaleX, scaleY;
uint8 encoding;
byte *inverseColorTable;
RGB8 *palette;
};
class M4Surface : protected Graphics::Surface {
private:
byte _color;
bool _isScreen;
void rexLoadBackground(Common::SeekableReadStream *source, RGBList **palData = NULL);
void madsLoadBackground(int roomNumber, RGBList **palData = NULL);
void m4LoadBackground(Common::SeekableReadStream *source);
public:
M4Surface(bool isScreen = false) {
create(g_system->getWidth(), g_system->getHeight(), 1);
_isScreen = isScreen;
}
M4Surface(int width_, int height_) {
create(width_, height_, 1);
_isScreen = false;
}
// loads a .COD file into the M4Surface
// TODO: maybe move this to the rail system? check where it makes sense
// The sprite drawing needs this, too, so should be more global.
void loadCodesM4(Common::SeekableReadStream *source);
void loadCodesMads(Common::SeekableReadStream *source);
// loads the specified background
void loadBackground(int sceneNumber, RGBList **palData = NULL);
void loadBackgroundRiddle(const char *sceneName);
void madsloadInterface(int index, RGBList **palData);
void setColor(byte value) { _color = value; }
void setColour(byte value) { _color = value; }
inline byte getColor() const { return _color; }
void vLine(int x, int y1, int y2);
void hLine(int x1, int x2, int y);
void vLineXor(int x, int y1, int y2);
void hLineXor(int x1, int x2, int y);
void drawLine(int x1, int y1, int x2, int y2, byte color);
void frameRect(int x1, int y1, int x2, int y2);
void fillRect(int x1, int y1, int x2, int y2);
void drawSprite(int x, int y, SpriteInfo &info, const Common::Rect &clipRect);
// Surface methods
inline int width() const { return w; }
inline int height() const { return h; }
void setSize(int sizeX, int sizeY) { create(sizeX, sizeY, 1); }
inline byte *getBasePtr() {
return (byte *)pixels;
}
inline byte *getBasePtr(int x, int y) {
return (byte *)Graphics::Surface::getBasePtr(x, y);
}
inline const byte *getBasePtr(int x, int y) const {
return (const byte *)Graphics::Surface::getBasePtr(x, y);
}
void freeData();
void clear();
void frameRect(const Common::Rect &r, uint8 color);
void fillRect(const Common::Rect &r, uint8 color);
void copyFrom(M4Surface *src, const Common::Rect &srcBounds, int destX, int destY,
int transparentColor = -1);
void update() {
if (_isScreen) {
g_system->copyRectToScreen((const byte *)pixels, pitch, 0, 0, w, h);
g_system->updateScreen();
}
}
// copyTo methods
inline void copyTo(M4Surface *dest, int transparentColor = -1) {
dest->copyFrom(this, Common::Rect(width(), height()), 0, 0, transparentColor);
}
inline void copyTo(M4Surface *dest, int x, int y, int transparentColor = -1) {
dest->copyFrom(this, Common::Rect(width(), height()), x, y, transparentColor);
}
inline void copyTo(M4Surface *dest, const Common::Rect &srcBounds, int destX, int destY,
int transparentColor = -1) {
dest->copyFrom(this, srcBounds, destX, destY, transparentColor);
}
void translate(RGBList *list, bool isTransparent = false);
};
enum FadeType {FT_TO_GREY, FT_TO_COLOR, FT_TO_BLOCK};
class Palette {
private:
M4Engine *_vm;
bool _colorsChanged;
bool _fading_in_progress;
byte _originalPalette[256 * 4];
byte _fadedPalette[256 * 4];
int _usageCount[256];
void reset();
public:
Palette(M4Engine *vm);
void setPalette(const byte *colors, uint start, uint num);
void setPalette(const RGB8 *colors, uint start, uint num);
void grabPalette(byte *colors, uint start, uint num);
void grabPalette(RGB8 *colors, uint start, uint num) {
grabPalette((byte *)colors, start, num);
}
uint8 palIndexFromRgb(byte r, byte g, byte b, RGB8 *paletteData = NULL);
void fadeToGreen(int numSteps, uint delayAmount);
void fadeFromGreen(int numSteps, uint delayAmount, bool fadeToBlack);
void fadeIn(int numSteps, uint delayAmount, RGB8 *destPalette, int numColors);
void fadeIn(int numSteps, uint delayAmount, RGBList *destPalette);
static RGB8 *decodeMadsPalette(Common::SeekableReadStream *palStream, int *numColors);
int setMadsPalette(Common::SeekableReadStream *palStream, int indexStart = 0);
void setMadsSystemPalette();
// Methods used for reference counting color usage
void resetColorCounts();
void blockRange(int startIndex, int size);
void addRange(RGBList *list);
void deleteRange(RGBList *list);
void deleteAllRanges();
// Color indexes
uint8 BLACK;
uint8 BLUE;
uint8 GREEN;
uint8 CYAN;
uint8 RED;
uint8 VIOLET;
uint8 BROWN;
uint8 LIGHT_GRAY;
uint8 DARK_GRAY;
uint8 LIGHT_BLUE;
uint8 LIGHT_GREEN;
uint8 LIGHT_CYAN;
uint8 LIGHT_RED;
uint8 PINK;
uint8 YELLOW;
uint8 WHITE;
};
void decompressRle(byte *rleData, int rleSize, byte *celData, int w, int h);
void decompressRle(Common::SeekableReadStream &rleData, byte *celData, int w, int h);
int scaleValue(int value, int scale, int err);
} // End of namespace M4
#endif
|
