aboutsummaryrefslogtreecommitdiff
path: root/engines/gob/draw.h
blob: ef8149d514f5714a2e10ae74ce193763553f9924 (plain)
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
/* 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_DRAW_H
#define GOB_DRAW_H

#include "gob/video.h"

namespace Gob {

#define SPRITES_COUNT 100

#define RENDERFLAG_NOINVALIDATE      0x0001
#define RENDERFLAG_CAPTUREPUSH       0x0002
#define RENDERFLAG_COLLISIONS        0x0004
#define RENDERFLAG_CAPTUREPOP        0x0008
#define RENDERFLAG_USEDELTAS         0x0010
#define RENDERFLAG_UNKNOWN           0x0080
#define RENDERFLAG_NOBLITINVALIDATED 0x0200
#define RENDERFLAG_NOSUBTITLES       0x0400
#define RENDERFLAG_FROMSPLIT         0x0800
#define RENDERFLAG_DOUBLECOORDS      0x1000

class Draw {
public:
	static const int kFontCount = 8;

	struct FontToSprite {
		int8 sprite;
		int8 base;
		int8 width;
		int8 height;
		FontToSprite() : sprite(0), base(0), width(0), height(0) {}
	};

	int16 _renderFlags;

	int16 _fontIndex;
	int16 _spriteLeft;
	int16 _spriteTop;
	int16 _spriteRight;
	int16 _spriteBottom;
	int16 _destSpriteX;
	int16 _destSpriteY;
	int16 _backColor;
	int16 _frontColor;
	int16 _transparency;

	int16 _sourceSurface;
	int16 _destSurface;

	char _letterToPrint;
	const char *_textToPrint;

	int16 _backDeltaX;
	int16 _backDeltaY;

	int16 _subtitleFont;
	int16 _subtitleColor;

	FontToSprite _fontToSprite[4];
	Font *_fonts[kFontCount];

	Common::Array<SurfaceDescPtr> _spritesArray;

	int16 _invalidatedCount;
	int16 _invalidatedTops[30];
	int16 _invalidatedLefts[30];
	int16 _invalidatedRights[30];
	int16 _invalidatedBottoms[30];

	bool _noInvalidated;
	// Don't blit invalidated rects when in video mode 5 or 7
	bool _noInvalidated57;
	bool _paletteCleared;
	bool _applyPal;

	SurfaceDescPtr _backSurface;
	SurfaceDescPtr _frontSurface;

	int16 _unusedPalette1[18];
	int16 _unusedPalette2[16];
	Video::Color _vgaPalette[256];
	Video::Color _vgaSmallPalette[16];

	// 0 (00b): No cursor
	// 1 (01b): Cursor would be on _backSurface
	// 2 (10b): Cursor would be on _frontSurface
	// 3 (11b): Cursor would be on _backSurface and _frontSurface
	uint8 _showCursor;
	int16 _cursorIndex;
	int16 _transparentCursor;
	uint32 _cursorTimeKey;

	int16 _cursorX;
	int16 _cursorY;
	int16 _cursorWidth;
	int16 _cursorHeight;

	int32 _cursorHotspotXVar;
	int32 _cursorHotspotYVar;

	SurfaceDescPtr _cursorSprites;
	SurfaceDescPtr _cursorSpritesBack;
	SurfaceDescPtr _scummvmCursor;

	int16 _cursorAnim;
	int8 _cursorAnimLow[40];
	int8 _cursorAnimHigh[40];
	int8 _cursorAnimDelays[40];

	int16 _palLoadData1[4];
	int16 _palLoadData2[4];

	int16 _needAdjust;
	int16 _scrollOffsetY;
	int16 _scrollOffsetX;

	int16 _pattern;

	void invalidateRect(int16 left, int16 top, int16 right, int16 bottom);
	void blitInvalidated();
	void setPalette();
	void clearPalette();

	void dirtiedRect(int16 surface, int16 left, int16 top, int16 right, int16 bottom);
	void dirtiedRect(SurfaceDescPtr surface, int16 left, int16 top, int16 right, int16 bottom);

	void initSpriteSurf(int16 index, int16 width, int16 height, int16 flags);
	void freeSprite(int16 index) {
		assert(index < SPRITES_COUNT);
		_spritesArray[index].reset();
	}
	void adjustCoords(char adjust, int16 *coord1, int16 *coord2);
	void adjustCoords(char adjust, uint16 *coord1, uint16 *coord2) {
		adjustCoords(adjust, (int16 *) coord1, (int16 *) coord2);
	}
	int stringLength(const char *str, int16 fontIndex);
	void drawString(const char *str, int16 x, int16 y, int16 color1, int16 color2,
			int16 transp, SurfaceDesc &dest, const Font &font);
	void printTextCentered(int16 id, int16 left, int16 top, int16 right,
			int16 bottom, const char *str, int16 fontIndex, int16 color);
	int32 getSpriteRectSize(int16 index);
	void forceBlit(bool backwards = false);

	static const int16 _wobbleTable[360];
	void wobble(SurfaceDesc &surfDesc);

	Font *loadFont(const char *path) const;
	bool loadFont(int fontIndex, const char *path);

	virtual void initScreen() = 0;
	virtual void closeScreen() = 0;
	virtual void blitCursor() = 0;
	virtual void animateCursor(int16 cursor) = 0;
	virtual void printTotText(int16 id) = 0;
	virtual void spriteOperation(int16 operation) = 0;

	Draw(GobEngine *vm);
	virtual ~Draw();

protected:
	GobEngine *_vm;
};

class Draw_v1 : public Draw {
public:
	virtual void initScreen();
	virtual void closeScreen();
	virtual void blitCursor();
	virtual void animateCursor(int16 cursor);
	virtual void printTotText(int16 id);
	virtual void spriteOperation(int16 operation);

	Draw_v1(GobEngine *vm);
	virtual ~Draw_v1() {}
};

class Draw_v2 : public Draw_v1 {
public:
	virtual void initScreen();
	virtual void closeScreen();
	virtual void blitCursor();
	virtual void animateCursor(int16 cursor);
	virtual void printTotText(int16 id);
	virtual void spriteOperation(int16 operation);

	Draw_v2(GobEngine *vm);
	virtual ~Draw_v2() {}

private:
	uint8 _mayorWorkaroundStatus;
};

class Draw_Bargon: public Draw_v2 {
public:
	virtual void initScreen();

	Draw_Bargon(GobEngine *vm);
	virtual ~Draw_Bargon() {}
};

class Draw_Fascin: public Draw_v2 {
public:
	virtual void initScreen();

	Draw_Fascin(GobEngine *vm);
	virtual ~Draw_Fascin() {}
};

class Draw_Playtoons: public Draw_v2 {
public:
	Draw_Playtoons(GobEngine *vm);
	virtual ~Draw_Playtoons() {}
	virtual void spriteOperation(int16 operation);
};
	
// Draw operations

#define DRAW_BLITSURF	0
#define DRAW_PUTPIXEL	1
#define DRAW_FILLRECT	2
#define DRAW_DRAWLINE	3
#define DRAW_INVALIDATE	4
#define DRAW_LOADSPRITE	5
#define DRAW_PRINTTEXT	6
#define DRAW_DRAWBAR 7
#define DRAW_CLEARRECT	8
#define DRAW_FILLRECTABS 9
#define DRAW_DRAWLETTER	10

} // End of namespace Gob

#endif // GOB_DRAW_H