aboutsummaryrefslogtreecommitdiff
path: root/engines/hdb/draw-manager.h
blob: 9f05b31c26a42f09bc98ab647f7b5d244aacdd35 (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
/* 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.
 *
 */

#ifndef HDB_DRAW_MANAGER_H
#define HDB_DRAW_MANAGER_H

#include "graphics/managed_surface.h"

#include "hdb/hdb.h"

namespace HDB {

enum {
	kScreenWidth = 640,
	kScreenHeight = 480,
	kTileWidth = 32,
	kTileHeight = 32,
	kMaxSkies = 10,
	kNum3DStars = 300,
	kFontSpace = 5,
	kFontIncrement = 1,
	kGameFPS = 60,
	kAnimFrameDelay = kGameFPS / 30,
	kAnimSlowFrames = kAnimFrameDelay * 10,
	kAnimMediumFrames = kAnimFrameDelay * 6,
	kAnimFastFrames = kAnimFrameDelay * 2
};

class Tile;
class Picture;

struct TileLookup {
	const char *filename;
	Tile *tData;
	uint16 skyIndex;
	uint16 animIndex;

	TileLookup() : filename(NULL), tData(NULL), skyIndex(0), animIndex(0) {}
};

struct GfxCache {
	char name[32];
	union {
		Tile *tileGfx;
		Picture *picGfx;
	};
	uint32 size;
	int16 loaded;

	GfxCache() : name(""), tileGfx(NULL), size(0), loaded(0) {}
};

struct FontInfo {
	int		type;		// 0 = mono, 1 = proportional
	int		numChars;	// how many characters in font
	int		height;		// height of entire font
	int		kerning;	// space between chars
	int		leading;	// space between lines
};

struct CharInfo {
	int16 width;	// Character width in pixels
	int32 offset;	// From the start of the font charInfo chunk
};

class DrawMan {
public:

	DrawMan();
	~DrawMan();

	Graphics::ManagedSurface _globalSurface;

	bool init();
	void fillScreen(uint32 color);
	void updateVideo();

	void setFade(bool fadeIn, bool black, int steps);
	void updateFade();
	bool isFadeActive() { return _fadeInfo.active; }
	bool isFadeStaying() { return _fadeInfo.stayFaded; }
	void turnOffFade() { _fadeInfo.active = _fadeInfo.stayFaded = false; }

	Picture *loadPic(const char *picName);
	Tile *loadTile(const char *tileName);

	Tile *getTile(int index);
	void cacheTileSequence(int index, int count);
	int getTileIndex(const char *name);
	Picture *getPicture(const char *name);

	// Returns: true->Tile, false->Pic
	bool selectGfxType(const char *name);
	Tile *getTileGfx(const char *name, uint32 size);
	Picture *getPicGfx(const char *name, uint32 size);

	int isSky(int skyIndex);
	void setSky(int skyIndex);
	void setup3DStars();
	void setup3DStarsLeft();
	void draw3DStars();
	void draw3DStarsLeft();
	void drawSky();

	int animateTile(int tileIndex);

	// Font Functions

	bool loadFont(const char *string);
	void drawText(const char *string);
	void getDimensions(const char *string, int *pixelsWide, int *lines);
	int stringLength(const char *string);
	void setTextEdges(int left, int right, int top, int bottom);
	void getTextEdges(int *left, int *right, int *top, int *bottom);
	void setKernLead(int kern, int lead);
	void getKernLead(int *kern, int *lead);
	void setCursor(int x, int y);
	void getCursor(int *x, int *y);

private:
	int _numTiles;
	TileLookup *_tLookupArray;
	uint16 _skyTiles[kMaxSkies];

	Common::Array<GfxCache *> *_gfxCache;

	int _currentSky;	// 0 if no Sky, 1+ for which Sky to use
	struct {
		bool active;
		bool stayFaded;
		bool isBlack;
		int speed;
		bool isFadeIn;

		int curStep;
	} _fadeInfo;

	struct {
		int x, y, speed;
		uint16 color;
	} _stars3D[kNum3DStars];

	struct {
		double x, y, speed;
		uint16 color;
	} _stars3DSlow[kNum3DStars];

	int _tileSkyStars; // Index of sky_stars tile
	int _tileSkyStarsLeft; // Left-scrolling stars, slow
	int _tileSkyClouds; // Index of sky_stars tile
	Picture *_starField[4];
	Picture *_skyClouds;

	// Cursor
	int _cursorX, _cursorY;
	Picture *_mousePointer[8];	// Gfx for screen pointer (4 Animations)
	int _pointerDisplayable;
	bool _showCursor;

	// Font Data

	FontInfo _fontHeader;
	Common::Array<CharInfo *> _charInfoBlocks;
	Graphics::Surface _fontSurfaces[256];
	uint16 _fontGfx;
	int _eLeft, _eRight, _eTop, _eBottom;

	bool _systemInit;

};

class Picture {
public:

	Picture();
	~Picture();

	Graphics::Surface load(Common::SeekableReadStream *stream);
	void draw(int x, int y);
	void drawMasked(int x, int y);

	uint _width, _height;

	char *getName() { return _name; }

private:

	char _name[64];

	Graphics::ManagedSurface _surface;

};

class Tile {
public:

	Tile();
	~Tile();

	Graphics::Surface load(Common::SeekableReadStream *stream);
	void draw(int x, int y);
	void drawMasked(int x, int y);

	uint32 _flags;

	char *getName() { return _name; }
private:
	char _name[64];

	Graphics::ManagedSurface _surface;
};

} // End of Namespace HDB

#endif // !HDB_DRAW_MANAGER_H