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/* Copyright (C) 1994-2004 Revolution Software Ltd
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef D_DRAW_H
#define D_DRAW_H
#include "common/rect.h"
namespace Sword2 {
// This is the maximum mouse cursor size in the SDL backend
#define MAX_MOUSE_W 80
#define MAX_MOUSE_H 80
#define RENDERAVERAGETOTAL 4
#define BLOCKWIDTH 64
#define BLOCKHEIGHT 64
#define MAXLAYERS 5
#define PALTABLESIZE 64 * 64 * 64
// Maximum scaled size of a sprite
#define SCALE_MAXWIDTH 512
#define SCALE_MAXHEIGHT 512
// Dirty grid cell size
#define CELLWIDE 10
#define CELLDEEP 20
#if !defined(__GNUC__)
#pragma START_PACK_STRUCTS
#endif
struct MouseAnim {
uint8 runTimeComp; // type of runtime compression used for the
// frame data
uint8 noAnimFrames; // number of frames in the anim
int8 xHotSpot;
int8 yHotSpot;
uint8 mousew;
uint8 mouseh;
} GCC_PACK;
#if !defined(__GNUC__)
#pragma END_PACK_STRUCTS
#endif
struct BlockSurface {
byte data[BLOCKWIDTH * BLOCKHEIGHT];
bool transparent;
};
class Graphics {
friend class MoviePlayer;
private:
Sword2Engine *_vm;
byte *_buffer;
byte *_dirtyGrid;
uint16 _gridWide;
uint16 _gridDeep;
int32 _renderCaps;
int8 _renderLevel;
uint8 _menuStatus[2];
byte *_icons[2][RDMENU_MAXPOCKETS];
uint8 _pocketStatus[2][RDMENU_MAXPOCKETS];
uint8 _iconCount;
bool _needFullRedraw;
uint8 _paletteMatch[PALTABLESIZE];
uint8 _fadePalette[256][4];
uint8 _fadeStatus;
int32 _fadeStartTime;
int32 _fadeTotalTime;
byte _mouseData[MAX_MOUSE_W * MAX_MOUSE_H];
uint8 _mouseFrame;
uint8 *_mouseSprite;
struct MouseAnim *_mouseAnim;
struct MouseAnim *_luggageAnim;
int32 *_mouseOffsets;
int32 *_luggageOffset;
// Scroll variables. _scrollX and _scrollY hold the current scroll
// position, and _scrollXTarget and _scrollYTarget are the target
// position for the end of the game cycle.
int16 _scrollX;
int16 _scrollY;
int16 _scrollXTarget;
int16 _scrollYTarget;
int16 _scrollXOld;
int16 _scrollYOld;
int16 _parallaxScrollX; // current x offset to link a sprite to the
// parallax layer
int16 _parallaxScrollY; // current y offset to link a sprite to the
// parallax layer
int16 _locationWide;
int16 _locationDeep;
uint16 _layer;
int32 _initialTime;
int32 _startTime;
int32 _totalTime;
int32 _renderAverageTime;
int32 _framesPerGameCycle;
bool _renderTooSlow;
uint8 _xBlocks[MAXLAYERS];
uint8 _yBlocks[MAXLAYERS];
// An array of sub-blocks, one for each of the parallax layers.
BlockSurface **_blockSurfaces[MAXLAYERS];
uint16 _xScale[SCALE_MAXWIDTH];
uint16 _yScale[SCALE_MAXHEIGHT];
uint8 *_lightMask;
void clearIconArea(int menu, int pocket, Common::Rect *r);
void decompressMouse(uint8 *decomp, uint8 *comp, int width, int height, int pitch, int xOff = 0, int yOff = 0);
uint8 getMatch(uint8 r, uint8 g, uint8 b);
void fadeServer(void);
void squashImage(byte *dst, uint16 dstPitch, uint16 dstWidth,
uint16 dstHeight, byte *src, uint16 srcPitch, uint16 srcWidth,
uint16 srcHeight, byte *backbuf);
void stretchImage(byte *dst, uint16 dstPitch, uint16 dstWidth,
uint16 dstHeight, byte *src, uint16 srcPitch, uint16 srcWidth,
uint16 srcHeight, byte *backbuf);
void updateRect(Common::Rect *r);
void blitBlockSurface(BlockSurface *s, Common::Rect *r, Common::Rect *clipRect);
void mirrorSprite(uint8 *dst, uint8 *src, int16 w, int16 h);
int32 decompressRLE256(uint8 *dest, uint8 *source, int32 decompSize);
void unwindRaw16(uint8 *dest, uint8 *source, uint8 blockSize, uint8 *colTable);
int32 decompressRLE16(uint8 *dest, uint8 *source, int32 decompSize, uint8 *colTable);
public:
Graphics(Sword2Engine *vm, int16 width, int16 height);
~Graphics();
// Game screen metrics
int16 _screenWide;
int16 _screenDeep;
uint8 _palCopy[256][4];
byte *getScreen(void) { return _buffer; }
int8 getRenderLevel(void);
void setRenderLevel(int8 level);
void clearScene(void);
void processMenu(void);
int32 showMenu(uint8 menu);
int32 hideMenu(uint8 menu);
int32 setMenuIcon(uint8 menu, uint8 pocket, uint8 *icon);
void closeMenuImmediately(void);
void updateDisplay(bool redrawScene = true);
void setWindowName(const char *windowName);
void setNeedFullRedraw(void);
void setPalette(int16 startEntry, int16 noEntries, uint8 *palette, uint8 setNow);
void updatePaletteMatchTable(uint8 *data);
uint8 quickMatch(uint8 r, uint8 g, uint8 b);
int32 fadeUp(float time = 0.75);
int32 fadeDown(float time = 0.75);
uint8 getFadeStatus(void);
void dimPalette(void);
void waitForFade(void);
int32 setMouseAnim(uint8 *ma, int32 size, int32 mouseFlash);
int32 setLuggageAnim(uint8 *la, int32 size);
int32 animateMouse(void);
void drawMouse(void);
void resetRenderEngine(void);
void setScrollTarget(int16 sx, int16 sy);
void initialiseRenderCycle(void);
void startRenderCycle(void);
bool endRenderCycle(void);
void renderParallax(Parallax *p, int16 layer);
void setLocationMetrics(uint16 w, uint16 h);
int32 initialiseBackgroundLayer(Parallax *p);
void closeBackgroundLayer(void);
void plotPoint(uint16 x, uint16 y, uint8 colour);
void drawLine(int16 x1, int16 y1, int16 x2, int16 y2, uint8 colour);
#ifdef BACKEND_8BIT
void plotYUV(byte *lut, int width, int height, byte *const *dat);
#endif
int32 createSurface(SpriteInfo *s, uint8 **surface);
void drawSurface(SpriteInfo *s, uint8 *surface, Common::Rect *clipRect = NULL);
void deleteSurface(uint8 *surface);
int32 drawSprite(SpriteInfo *s);
int32 openLightMask(SpriteInfo *s);
int32 closeLightMask(void);
};
} // End of namespace Sword2
#endif
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