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Diffstat (limited to 'engines/hopkins/graphics.h')
| -rw-r--r-- | engines/hopkins/graphics.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/engines/hopkins/graphics.h b/engines/hopkins/graphics.h new file mode 100644 index 0000000000..268db7fc2b --- /dev/null +++ b/engines/hopkins/graphics.h @@ -0,0 +1,193 @@ +/* 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 _clipX1, _clipY1; + int _reduceX, _reducedY; + int _zoomOutFactor; + + bool _manualScroll; + + 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 translateSurface(byte *destP, const byte *srcP, int count, int minThreshold, int maxThreshold); + void displayScaled8BitRect(const byte *surface, int xp, int yp, int width, int height, int destX, int destY); + + void lockScreen(); + void unlockScreen(); +public: + byte _paletteBuffer[PALETTE_SIZE * 2]; + 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; + bool _showZones; + bool _showLines; + + byte *_palettePixels; +public: + GraphicsManager(HopkinsEngine *vm); + ~GraphicsManager(); + + 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 displayZones(); + void displayLines(); + void displayDebugRect(Graphics::Surface *surface, const Common::Rect &srcRect, uint32 color = 0xffffff); + 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 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 setColorPercentage(int palIndex, int r, int g, int b); + void setColorPercentage2(int palIndex, int r, int g, int b); + void fastDisplay(const byte *spriteData, int xp, int yp, int spriteIndex, bool addSegment = true); + void fastDisplay2(const byte *objectData, int xp, int yp, int idx, bool addSegment = true); + void drawCompressedSprite(byte *surface, const byte *srcData, int xp300, int yp300, int frameIndex, int zoom1, int zoom2, bool flipFl); + void copyRect(const byte *srcSurface, int x1, int y1, uint16 width, int height, byte *destSurface, int destX, int destY); + void drawVesaSprite(byte *surface, const byte *spriteData, int xp, int yp, int spriteIndex); + void display8BitRect(const byte *surface, int xs, int ys, int width, int height, int destX, int destY); + void fillSurface(byte *surface, byte *col, int size); + void displayScreen(bool initPalette); + void backupScreen(); + void restoreScreen(); +}; + +} // End of namespace Hopkins + +#endif /* HOPKINS_GRAPHICS_H */ |