aboutsummaryrefslogtreecommitdiff
path: root/engines/parallaction/graphics.h
blob: 400f08d43f650e45b3a0c20640d7a1255b125618 (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
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2006 The ScummVM project
 *
 * 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 PARALLACTION_GRAPHICS_H
#define PARALLACTION_GRAPHICS_H

#include "parallaction/defs.h"
#include "common/stream.h"


namespace Parallaction {



#define SCREEN_WIDTH		320
#define SCREEN_HEIGHT		200
#define SCREEN_SIZE 		SCREEN_WIDTH*SCREEN_HEIGHT

#define SCREENMASK_WIDTH	SCREEN_WIDTH/4
#define SCREENPATH_WIDTH	SCREEN_WIDTH/8

#define BASE_PALETTE_COLORS		32
#define FIRST_BASE_COLOR		0
#define LAST_BASE_COLOR			(FIRST_BASE_COLOR+BASE_PALETTE_COLORS-1)

#define EHB_PALETTE_COLORS		32										// extra half-brite colors for amiga
#define FIRST_EHB_COLOR			(LAST_BASE_COLOR+1)
#define LAST_EHB_COLOR			(FIRST_EHB_COLOR+EHB_PALETTE_COLORS-1)

#define PALETTE_COLORS			(BASE_PALETTE_COLORS+EHB_PALETTE_COLORS)

#define BASE_PALETTE_SIZE		BASE_PALETTE_COLORS*3
#define PALETTE_SIZE			PALETTE_COLORS*3

#include "common/pack-start.h"	// START STRUCT PACKING

struct PaletteFxRange {

	uint16	_timer;
	uint16	_step;
	uint16	_flags;
	byte	_first;
	byte	_last;

};

#include "common/pack-end.h"	// END STRUCT PACKING

#define NUM_BUFFERS 6

class Parallaction;

struct DoorData;
struct GetData;

class Gfx {

public:
	typedef byte Palette[PALETTE_SIZE];

	enum Buffers {
		// bit buffers
		kBitFront,
		kBitBack,
		kBit2,
		// mask buffers
		kMask0
	};

public:

	// dialogue and text
	void drawBalloon(const Common::Rect& r, uint16 arg_8);
	void displayBalloonString(uint16 x, uint16 y, const char *text, byte color);
	void displayString(uint16 x, uint16 y, const char *text);
	bool displayWrappedString(char *text, uint16 x, uint16 y, uint16 maxwidth, byte color);
	uint16 getStringWidth(const char *text);
	void getStringExtent(char *text, uint16 maxwidth, int16* width, int16* height);

	// cnv management
	void makeCnvFromString(StaticCnv *cnv, char *text);
	void freeStaticCnv(StaticCnv *cnv);
	void backupDoorBackground(DoorData *data, int16 x, int16 y);
	void backupGetBackground(GetData *data, int16 x, int16 y);
	void restoreZoneBackground(const Common::Rect& r, byte *data);

	// location
	void setBackground(byte *background);
	void setMask(byte *mask);
	int16 queryMask(int16 v);
	void intGrottaHackMask();
	void restoreBackground(const Common::Rect& r);

	// intro
	void maskClearRectangle(const Common::Rect& r);
	void maskOpNot(uint16 x, uint16 y, uint16 unused);

	// low level
	void swapBuffers();
	void updateScreen();
	void clearScreen(Gfx::Buffers buffer);
	void copyScreen(Gfx::Buffers srcbuffer, Gfx::Buffers dstbuffer);
	void copyRect(Gfx::Buffers dstbuffer, const Common::Rect& r, byte *src, uint16 pitch);
	void grabRect(byte *dst, const Common::Rect& r, Gfx::Buffers srcbuffer, uint16 pitch);
	void floodFill(Gfx::Buffers buffer, const Common::Rect& r, byte color);

	// NOTE: flatBlitCnv used to have an additional unused parameter,
	// that was always the _data1 member of the StaticCnv parameter.
	// DOS version didn't make use of it, but it is probably needed for Amiga stuff.
	void flatBlitCnv(StaticCnv *cnv, int16 x, int16 y, Gfx::Buffers buffer);
	void blitCnv(StaticCnv *cnv, int16 x, int16 y, uint16 z, Gfx::Buffers buffer);

	// palette
	void setPalette(Palette palette, uint32 first = FIRST_BASE_COLOR, uint32 num = PALETTE_COLORS);
	void setBlackPalette();
	void animatePalette();
	void fadePalette(Palette palette);
	void buildBWPalette(Palette palette);
	void quickFadePalette(Palette palette);
	void extendPalette(Palette palette);

	// init
	Gfx(Parallaction* vm);
	virtual ~Gfx();

	void setMousePointer(int16 index);

	void setFont(const char* name);

public:
	Common::Point		_labelPosition[2];
	static bool 		_proportionalFont;

	uint16				_bgLayers[4];
	PaletteFxRange		_palettefx[6];
	Palette				_palette;

protected:
	Parallaction*		_vm;

	static byte *		_buffers[NUM_BUFFERS];

	static byte			_mouseArrow[256];
	StaticCnv			*_mouseComposedArrow;

	Cnv					*_font;


protected:

	//
	//	maps a character for representation
	//
	byte mapChar(byte c);

	void flatBlit(const Common::Rect& r, byte *data, Gfx::Buffers buffer);
	void blit(const Common::Rect& r, uint16 z, byte *data, Gfx::Buffers buffer);


	void initBuffers();
	void initMouse(uint16 arg_0);


};


} // Parallaction


#endif