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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
|
/* 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 KYRA_SCREEN_H
#define KYRA_SCREEN_H
#include "common/util.h"
#include "common/func.h"
#include "common/list.h"
#include "common/rect.h"
#include "common/stream.h"
class OSystem;
namespace Kyra {
typedef Common::Functor0<void> UpdateFunctor;
class KyraEngine_v1;
struct ScreenDim {
uint16 sx;
uint16 sy;
uint16 w;
uint16 h;
uint16 unk8;
uint16 unkA;
uint16 unkC;
uint16 unkE;
};
struct Font {
uint8 *fontData;
uint8 *charWidthTable;
uint16 fontDescOffset;
uint16 charBitmapOffset;
uint16 charWidthTableOffset;
uint16 charHeightTableOffset;
uint8 lastGlyph;
};
/**
* A class that manages KYRA palettes.
*
* This class stores the palette data as VGA RGB internally.
*/
class Palette {
public:
Palette(const int numColors);
~Palette();
enum {
kVGABytesPerColor = 3,
kAmigaBytesPerColor = 2
};
/**
* Load a VGA palette from the given stream.
*/
void loadVGAPalette(Common::ReadStream &stream, const int colors = -1);
/**
* Load a AMIGA palette from the given stream.
*/
void loadAmigaPalette(Common::ReadStream &stream, const int colors = -1);
/**
* Return the number of colors this palette manages.
*/
int getNumColors() const { return _numColors; }
/**
* Set all palette colors to black.
*/
void clear();
/**
* Copy data from another palette.
*
* @param source palette to copy data from.
* @param firstCol the first color of the source which should be copied.
* @param numCols number of colors, which should be copied. -1 all remaining colors.
* @param dstStart the first color, which should be ovewritten. If -1 firstCol will be used as start.
*/
void copy(const Palette &source, int firstCol = 0, int numCols = -1, int dstStart = -1);
/**
* Copy data from a raw VGA palette.
*
* @param source source buffer
* @param firstCol the first color of the source which should be copied.
* @param numCols number of colors, which should be copied.
* @param dstStart the first color, which should be ovewritten. If -1 firstCol will be used as start.
*/
void copy(const uint8 *source, int firstCol, int numCols, int dstStart = -1);
/**
* Fetch a RGB palette.
*
* @return a pointer to the RGB palette data, the client must delete[] it.
*/
uint8 *fetchRealPalette() const;
//XXX
uint8 &operator[](const int index) {
assert(index >= 0 && index <= _numColors * 3);
return _palData[index];
}
const uint8 &operator[](const int index) const {
assert(index >= 0 && index <= _numColors * 3);
return _palData[index];
}
/**
* Gets raw access to the palette.
*
* TODO: Get rid of this.
*/
uint8 *getData() { return _palData; }
private:
uint8 *_palData;
const int _numColors;
};
class Screen {
public:
enum {
SCREEN_W = 320,
SCREEN_H = 200,
SCREEN_PAGE_SIZE = 320 * 200 + 1024,
SCREEN_OVL_SJIS_SIZE = 640 * 400,
SCREEN_PAGE_NUM = 16,
SCREEN_OVLS_NUM = 4
};
enum CopyRegionFlags {
CR_NO_P_CHECK = 0x01
};
enum DrawShapeFlags {
DSF_X_FLIPPED = 0x01,
DSF_Y_FLIPPED = 0x02,
DSF_SCALE = 0x04,
DSF_WND_COORDS = 0x10,
DSF_CENTER = 0x20
};
enum FontId {
FID_6_FNT = 0,
FID_8_FNT,
FID_9_FNT,
FID_CRED6_FNT,
FID_CRED8_FNT,
FID_BOOKFONT_FNT,
FID_GOLDFONT_FNT,
FID_INTRO_FNT,
FID_NUM
};
Screen(KyraEngine_v1 *vm, OSystem *system);
virtual ~Screen();
// init
virtual bool init();
virtual void setResolution();
void updateScreen();
// debug functions
bool queryScreenDebug() const { return _debugEnabled; }
bool enableScreenDebug(bool enable);
// page cur. functions
int setCurPage(int pageNum);
void clearCurPage();
void copyWsaRect(int x, int y, int w, int h, int dimState, int plotFunc, const uint8 *src,
int unk1, const uint8 *unkPtr1, const uint8 *unkPtr2);
// page 0 functions
void copyToPage0(int y, int h, uint8 page, uint8 *seqBuf);
void shakeScreen(int times);
// page functions
void copyRegion(int x1, int y1, int x2, int y2, int w, int h, int srcPage, int dstPage, int flags=0);
void copyPage(uint8 srcPage, uint8 dstPage);
void copyRegionToBuffer(int pageNum, int x, int y, int w, int h, uint8 *dest);
void copyBlockToPage(int pageNum, int x, int y, int w, int h, const uint8 *src);
void shuffleScreen(int sx, int sy, int w, int h, int srcPage, int dstPage, int ticks, bool transparent);
void fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum = -1, bool xored = false);
void clearPage(int pageNum);
uint8 getPagePixel(int pageNum, int x, int y);
void setPagePixel(int pageNum, int x, int y, uint8 color);
const uint8 *getCPagePtr(int pageNum) const;
uint8 *getPageRect(int pageNum, int x, int y, int w, int h);
// palette handling
void fadeFromBlack(int delay=0x54, const UpdateFunctor *upFunc = 0);
void fadeToBlack(int delay=0x54, const UpdateFunctor *upFunc = 0);
virtual void fadePalette(const Palette &pal, int delay, const UpdateFunctor *upFunc = 0);
virtual void getFadeParams(const Palette &pal, int delay, int &delayInc, int &diff);
virtual int fadePalStep(const Palette &pal, int diff);
void setPaletteIndex(uint8 index, uint8 red, uint8 green, uint8 blue);
virtual void setScreenPalette(const Palette &pal);
void getRealPalette(int num, uint8 *dst);
Palette &getPalette(int num);
void copyPalette(const int dst, const int src);
// gui specific (processing on _curPage)
enum ShadeType {
kShadeTypeKyra,
kShadeTypeLol
};
void drawLine(bool vertical, int x, int y, int length, int color);
void drawClippedLine(int x1, int y1, int x2, int y2, int color);
void drawShadedBox(int x1, int y1, int x2, int y2, int color1, int color2, ShadeType shadeType = kShadeTypeKyra);
void drawBox(int x1, int y1, int x2, int y2, int color);
// font/text handling
bool loadFont(FontId fontId, const char *filename);
FontId setFont(FontId fontId);
int getFontHeight() const;
int getFontWidth() const;
int getCharWidth(uint16 c) const;
int getTextWidth(const char *str) const;
void printText(const char *str, int x, int y, uint8 color1, uint8 color2);
virtual void setTextColorMap(const uint8 *cmap) = 0;
void setTextColor(const uint8 *cmap, int a, int b);
virtual void setScreenDim(int dim) = 0;
virtual const ScreenDim *getScreenDim(int dim) = 0;
const ScreenDim *_curDim;
// shape handling
uint8 *encodeShape(int x, int y, int w, int h, int flags);
int setNewShapeHeight(uint8 *shape, int height);
int resetShapeHeight(uint8 *shape);
void drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd, int flags, ...);
// mouse handling
void hideMouse();
void showMouse();
bool isMouseVisible() const;
virtual void setMouseCursor(int x, int y, const byte *shape);
// rect handling
virtual int getRectSize(int w, int h) = 0;
void rectClip(int &x, int &y, int w, int h);
// misc
void loadBitmap(const char *filename, int tempPage, int dstPage, Palette *pal, bool skip=false);
bool loadPalette(const char *filename, Palette &pal);
bool loadPaletteTable(const char *filename, int firstPalette);
void loadPalette(const byte *data, Palette &pal, int bytes);
void setAnimBlockPtr(int size);
void setShapePages(int page1, int page2, int minY = -1, int maxY = 201);
virtual byte getShapeFlag1(int x, int y);
virtual byte getShapeFlag2(int x, int y);
virtual int getDrawLayer(int x, int y);
virtual int getDrawLayer2(int x, int y, int height);
void blockInRegion(int x, int y, int width, int height);
void blockOutRegion(int x, int y, int width, int height);
int _charWidth;
int _charOffset;
int _curPage;
uint8 *_shapePages[2];
int _maskMinY, _maskMaxY;
FontId _currentFont;
bool _disableScreen;
// decoding functions
static void decodeFrame3(const uint8 *src, uint8 *dst, uint32 size);
static uint decodeFrame4(const uint8 *src, uint8 *dst, uint32 dstSize);
static void decodeFrameDelta(uint8 *dst, const uint8 *src, bool noXor = false);
static void decodeFrameDeltaPage(uint8 *dst, const uint8 *src, const int pitch, bool noXor);
static void convertAmigaGfx(uint8 *data, int w, int h, bool offscreen = true);
static void convertAmigaMsc(uint8 *data);
protected:
uint8 *getPagePtr(int pageNum);
void updateDirtyRects();
void updateDirtyRectsOvl();
void scale2x(byte *dst, int dstPitch, const byte *src, int srcPitch, int w, int h);
virtual void mergeOverlay(int x, int y, int w, int h);
// overlay specific
byte *getOverlayPtr(int pageNum);
void clearOverlayPage(int pageNum);
void clearOverlayRect(int pageNum, int x, int y, int w, int h);
void copyOverlayRegion(int x, int y, int x2, int y2, int w, int h, int srcPage, int dstPage);
// font/text specific
void drawCharANSI(uint8 c, int x, int y);
void drawCharSJIS(uint16 c, int x, int y);
enum {
SJIS_CHARSIZE = 18,
SJIS_CHARS = 8192
};
int16 encodeShapeAndCalculateSize(uint8 *from, uint8 *to, int size);
template<bool noXor> static void wrapped_decodeFrameDelta(uint8 *dst, const uint8 *src);
template<bool noXor> static void wrapped_decodeFrameDeltaPage(uint8 *dst, const uint8 *src, const int pitch);
uint8 *_pagePtrs[16];
uint8 *_sjisOverlayPtrs[SCREEN_OVLS_NUM];
bool _useOverlays;
bool _useSJIS;
bool _use16ColorMode;
uint8 *_sjisFontData;
uint8 *_sjisTempPage;
uint8 *_sjisTempPage2;
uint8 *_sjisSourceChar;
uint8 _sjisInvisibleColor;
Palette *_screenPalette;
Palette *_palettes[12];
Palette *_internFadePalette;
Font _fonts[FID_NUM];
uint8 _textColorsMap[16];
uint8 *_decodeShapeBuffer;
int _decodeShapeBufferSize;
uint8 *_animBlockPtr;
int _animBlockSize;
int _mouseLockCount;
enum {
kMaxDirtyRects = 50
};
bool _forceFullUpdate;
Common::List<Common::Rect> _dirtyRects;
void addDirtyRect(int x, int y, int w, int h);
OSystem *_system;
KyraEngine_v1 *_vm;
// shape
int drawShapeMarginNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeMarginNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeMarginScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeMarginScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeSkipScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeSkipScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
void drawShapeProcessLineNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, uint16 scaleState);
void drawShapeProcessLineNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, uint16 scaleState);
void drawShapeProcessLineScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, uint16 scaleState);
void drawShapeProcessLineScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, uint16 scaleState);
void drawShapePlotType0(uint8 *dst, uint8 cmd);
void drawShapePlotType1(uint8 *dst, uint8 cmd);
void drawShapePlotType3_7(uint8 *dst, uint8 cmd);
void drawShapePlotType4(uint8 *dst, uint8 cmd);
void drawShapePlotType5(uint8 *dst, uint8 cmd);
void drawShapePlotType6(uint8 *dst, uint8 cmd);
void drawShapePlotType8(uint8 *dst, uint8 cmd);
void drawShapePlotType9(uint8 *dst, uint8 cmd);
void drawShapePlotType11_15(uint8 *dst, uint8 cmd);
void drawShapePlotType12(uint8 *dst, uint8 cmd);
void drawShapePlotType13(uint8 *dst, uint8 cmd);
void drawShapePlotType14(uint8 *dst, uint8 cmd);
void drawShapePlotType20(uint8 *dst, uint8 cmd);
void drawShapePlotType21(uint8 *dst, uint8 cmd);
void drawShapePlotType33(uint8 *dst, uint8 cmd);
void drawShapePlotType37(uint8 *dst, uint8 cmd);
void drawShapePlotType48(uint8 *dst, uint8 cmd);
void drawShapePlotType52(uint8 *dst, uint8 cmd);
typedef int (Screen::*DsMarginSkipFunc)(uint8 *&dst, const uint8 *&src, int &cnt);
typedef void (Screen::*DsLineFunc)(uint8 *&dst, const uint8 *&src, int &cnt, uint16 scaleState);
typedef void (Screen::*DsPlotFunc)(uint8 *dst, uint8 cmd);
DsMarginSkipFunc _dsProcessMargin;
DsMarginSkipFunc _dsScaleSkip;
DsLineFunc _dsProcessLine;
DsPlotFunc _dsPlot;
const uint8 *_dsTable;
int _dsTableLoopCount;
const uint8 *_dsTable2;
const uint8 *_dsTable3;
const uint8 *_dsTable4;
const uint8 *_dsTable5;
int _dsDrawLayer;
uint8 *_dsDstPage;
int _dsTmpWidth;
int _dsOffscreenLeft;
int _dsOffscreenRight;
int _dsScaleW;
int _dsScaleH;
int _dsOffscreenScaleVal1;
int _dsOffscreenScaleVal2;
int _drawShapeVar1;
int _drawShapeVar3;
int _drawShapeVar4;
int _drawShapeVar5;
// debug
bool _debugEnabled;
};
} // End of namespace Kyra
#endif
|