1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef NEVERHOOD_SCREEN_H
24 #define NEVERHOOD_SCREEN_H
25 
26 #include "common/array.h"
27 #include "graphics/surface.h"
28 #include "neverhood/neverhood.h"
29 #include "neverhood/microtiles.h"
30 #include "neverhood/graphics.h"
31 
32 namespace Video {
33 	class SmackerDecoder;
34 }
35 
36 namespace Neverhood {
37 
38 struct RenderItem {
39 	const Graphics::Surface *_surface;
40 	const Graphics::Surface *_shadowSurface;
41 	int16 _destX, _destY;
42 	int16 _srcX, _srcY, _width, _height;
43 	bool _transparent;
44 	byte _version;
45 	bool _refresh;
46 	bool operator==(const RenderItem &second) const {
47 		return
48 			_surface == second._surface &&
49 			_shadowSurface == second._shadowSurface &&
50 			_destX == second._destX &&
51 			_destY == second._destY &&
52 			_srcX == second._srcX &&
53 			_srcY == second._srcY &&
54 			_width == second._width &&
55 			_height == second._height &&
56 			_transparent == second._transparent &&
57 			_version == second._version;
58 	}
59 };
60 
61 typedef Common::Array<RenderItem> RenderQueue;
62 
63 class Screen {
64 public:
65 	Screen(NeverhoodEngine *vm);
66 	~Screen();
67 	void update();
68 	uint32 getNextFrameTime();
69 	void saveParams();
70 	void restoreParams();
71 	void setFps(int fps);
72 	int getFps();
73 	void setYOffset(int16 yOffset);
74 	int16 getYOffset();
75 	void setPaletteData(byte *paletteData);
76 	void unsetPaletteData(byte *paletteData);
getPaletteData()77 	byte *getPaletteData() { return _paletteData; }
78 	void testPalette(byte *paletteData);
79 	void updatePalette();
80 	void clear();
81 	void clearRenderQueue();
82 	void drawSurface2(const Graphics::Surface *surface, NDrawRect &drawRect, NRect &clipRect, bool transparent, byte version,
83 		const Graphics::Surface *shadowSurface = NULL);
84 	void drawSurface3(const Graphics::Surface *surface, int16 x, int16 y, NDrawRect &drawRect, NRect &clipRect, bool transparent, byte version);
85 	void drawDoubleSurface2(const Graphics::Surface *surface, NDrawRect &drawRect);
86 	void drawUnk(const Graphics::Surface *surface, NDrawRect &drawRect, NDrawRect &sysRect, NRect &clipRect, bool transparent, byte version);
87 	void drawSurfaceClipRects(const Graphics::Surface *surface, NDrawRect &drawRect, NRect *clipRects, uint clipRectsCount, bool transparent, byte version);
setSmackerDecoder(Video::SmackerDecoder * smackerDecoder)88 	void setSmackerDecoder(Video::SmackerDecoder *smackerDecoder) { _smackerDecoder = smackerDecoder; }
89 	void queueBlit(const Graphics::Surface *surface, int16 destX, int16 destY, NRect &ddRect, bool transparent, byte version,
90 		const Graphics::Surface *shadowSurface = NULL);
91 	void blitRenderItem(const RenderItem &renderItem, const Common::Rect &clipRect);
92 protected:
93 	NeverhoodEngine *_vm;
94 	MicroTileArray *_microTiles;
95 	Graphics::Surface *_backScreen;
96 	Video::SmackerDecoder *_smackerDecoder, *_savedSmackerDecoder;
97 	int32 _ticks;
98 	int32 _frameDelay, _savedFrameDelay;
99 	byte *_paletteData;
100 	bool _paletteChanged;
101 	int16 _yOffset, _savedYOffset;
102 	bool _fullRefresh;
103 	RenderQueue *_renderQueue, *_prevRenderQueue;
104 };
105 
106 } // End of namespace Neverhood
107 
108 #endif /* NEVERHOOD_SCREEN_H */
109