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/* 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 HOPKINS_GRAPHICS_H
#define HOPKINS_GRAPHICS_H
#include "common/scummsys.h"
#include "common/array.h"
#include "common/endian.h"
#include "common/rect.h"
#include "common/str.h"
#include "graphics/surface.h"
namespace Hopkins {
#define DIRTY_RECTS_SIZE 250
#define PALETTE_SIZE 256
#define PALETTE_BLOCK_SIZE (PALETTE_SIZE * 3)
#define PALETTE_EXT_BLOCK_SIZE 800
static const byte kSetOffset = 251;
static const byte kByteStop = 252;
static const byte k8bVal = 253;
static const byte k16bVal = 254;
struct RGB8 {
byte r;
byte g;
byte b;
};
class HopkinsEngine;
class GraphicsManager {
private:
HopkinsEngine *_vm;
int _lockCounter;
bool _initGraphicsFl;
int _screenWidth;
int _screenHeight;
byte *_videoPtr;
int _width;
int _posXClipped, _posYClipped;
bool _clipFl;
int _specialWidth;
int _enlargedX, _enlargedY;
bool _enlargedXFl, _enlargedYFl;
int clip_x1, clip_y1;
int _reduceX, _reducedY;
int _zoomOutFactor;
byte SD_PIXELS[PALETTE_SIZE * 2];
bool MANU_SCROLL;
void loadScreen(const Common::String &file);
void loadPCX640(byte *surface, const Common::String &file, byte *palette, bool typeFlag);
void loadPCX320(byte *surface, const Common::String &file, byte *palette);
void fadeIn(const byte *palette, int step, const byte *surface);
void fadeOut(const byte *palette, int step, const byte *surface);
void changePalette(const byte *palette);
uint16 mapRGB(byte r, byte g, byte b);
void copy16bFromSurfaceScaleX2(const byte *surface);
void Trans_bloc(byte *destP, const byte *srcP, int count, int minThreshold, int maxThreshold);
void Copy_Vga16(const byte *surface, int xp, int yp, int width, int height, int destX, int destY);
public:
byte _colorTable[PALETTE_EXT_BLOCK_SIZE];
byte _palette[PALETTE_EXT_BLOCK_SIZE];
byte _oldPalette[PALETTE_EXT_BLOCK_SIZE];
byte *_backBuffer;
byte *_frontBuffer;
byte *_screenBuffer;
byte *_backupScreen;
bool _largeScreenFl;
bool _noFadingFl;
bool _fadingFl;
bool _skipVideoLockFl;
int _scrollOffset;
int _scrollPosX;
int _oldScrollPosX;
int _scrollSpeed;
int _lineNbr;
int _lineNbr2;
int _minX, _minY;
int _maxX, _maxY;
int _scrollStatus;
int _fadeDefaultSpeed;
int _screenLineSize;
/**
* The _dirtyRects list contains paletted game areas that need to be redrawn.
* The _dstrect array is the list of areas of the screen that ScummVM needs to be redrawn.
* Some areas, such as the animation managers, skip the _dirtyRects and use _dstrec directly.
*/
Common::Array<Common::Rect> _dirtyRects;
Common::Array<Common::Rect> _refreshRects;
bool _showDirtyRects;
byte *PAL_PIXELS;
public:
GraphicsManager(HopkinsEngine *vm);
~GraphicsManager();
void lockScreen();
void unlockScreen();
void clearPalette();
void clearScreen();
void clearVesaScreen();
void resetDirtyRects();
void resetRefreshRects();
void addDirtyRect(int x1, int y1, int x2, int y2);
void addDirtyRect(const Common::Rect &r) { addDirtyRect(r.left, r.top, r.right, r.bottom); }
void addRefreshRect(int x1, int y1, int x2, int y2);
void addRectToArray(Common::Array<Common::Rect> &rects, const Common::Rect &newRect);
void displayDirtyRects();
void displayRefreshRects();
void copySurface(const byte *surface, int x1, int y1, int width, int height, byte *destSurface, int destX, int destY);
void loadImage(const Common::String &file);
void loadVgaImage(const Common::String &file);
void fadeInLong();
void fadeInBreakout();
void fadeInDefaultLength(const byte *surface);
void fadeInShort();
void fadeOutDefaultLength(const byte *surface);
void fadeOutBreakout();
void fadeOutLong();
void fadeOutShort();
void fastDisplay(const byte *spriteData, int xp, int yp, int spriteIndex, bool addSegment = true);
void copyWinscanVbe3(const byte *srcData, byte *destSurface);
void copyWinscanVbe(const byte *srcP, byte *destP);
void copyVideoVbe16(const byte *srcData);
void copyVideoVbe16a(const byte *srcData);
void copySurfaceRect(const byte *srcSurface, byte *destSurface, int xs, int ys, int width, int height);
void restoreSurfaceRect(byte *destSurface, const byte *src, int xp, int yp, int width, int height);
void displayFont(byte *surface, const byte *spriteData, int xp, int yp, int characterIndex, int color);
void drawHorizontalLine(byte *surface, int xp, int yp, uint16 width, byte col);
void drawVerticalLine(byte *surface, int xp, int yp, int height, byte col);
void initColorTable(int minIndex, int maxIndex, byte *palette);
void setGraphicalMode(int width, int height);
void setPaletteVGA256(const byte *palette);
void setPaletteVGA256WithRefresh(const byte *palette, const byte *surface);
void scrollScreen(int amount);
int zoomIn(int v, int percentage);
int zoomOut(int v, int percentage);
void initScreen(const Common::String &file, int mode, bool initializeScreen);
void displayAllBob();
void endDisplayBob();
void updateScreen();
void reduceScreenPart(const byte *srcSruface, byte *destSurface, int xp, int yp, int width, int height, int zoom);
void setScreenWidth(int pitch);
void SETCOLOR3(int palIndex, int r, int g, int b);
void SETCOLOR4(int palIndex, int r, int g, int b);
void AFFICHE_SPEEDVGA(const byte *objectData, int xp, int yp, int idx, bool addSegment = true);
void Affiche_Perfect(byte *surface, const byte *srcData, int xp300, int yp300, int frameIndex, int zoom1, int zoom2, bool flipFl);
void Copy_Mem(const byte *srcSurface, int x1, int y1, uint16 width, int height, byte *destSurface, int destX, int destY);
void Sprite_Vesa(byte *surface, const byte *spriteData, int xp, int yp, int spriteIndex);
void m_scroll16(const byte *surface, int xs, int ys, int width, int height, int destX, int destY);
void Trans_bloc2(byte *surface, byte *col, int size);
void NB_SCREEN(bool initPalette);
void backupScreen();
void restoreScreen();
};
} // End of namespace Hopkins
#endif /* HOPKINS_GRAPHICS_H */
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