mirror of
https://github.com/libretro/scummvm.git
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193 lines
6.8 KiB
C++
193 lines
6.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef HOPKINS_GRAPHICS_H
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#define HOPKINS_GRAPHICS_H
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#include "common/scummsys.h"
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#include "common/array.h"
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#include "common/endian.h"
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#include "common/rect.h"
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#include "common/str.h"
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#include "graphics/surface.h"
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namespace Hopkins {
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#define DIRTY_RECTS_SIZE 250
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#define PALETTE_SIZE 256
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#define PALETTE_BLOCK_SIZE (PALETTE_SIZE * 3)
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#define PALETTE_EXT_BLOCK_SIZE 800
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static const byte kSetOffset = 251;
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static const byte kByteStop = 252;
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static const byte k8bVal = 253;
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static const byte k16bVal = 254;
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struct RGB8 {
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byte r;
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byte g;
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byte b;
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};
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class HopkinsEngine;
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class GraphicsManager {
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private:
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HopkinsEngine *_vm;
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int _lockCounter;
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bool _initGraphicsFl;
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int _screenWidth;
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int _screenHeight;
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byte *_videoPtr;
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int _width;
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int _posXClipped, _posYClipped;
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bool _clipFl;
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int _specialWidth;
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int _enlargedX, _enlargedY;
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bool _enlargedXFl, _enlargedYFl;
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int _clipX1, _clipY1;
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int _reduceX, _reducedY;
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int _zoomOutFactor;
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bool _manualScroll;
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void loadScreen(const Common::String &file);
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void loadPCX640(byte *surface, const Common::String &file, byte *palette, bool typeFlag);
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void loadPCX320(byte *surface, const Common::String &file, byte *palette);
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void fadeIn(const byte *palette, int step, const byte *surface);
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void fadeOut(const byte *palette, int step, const byte *surface);
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void changePalette(const byte *palette);
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uint16 mapRGB(byte r, byte g, byte b);
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void copy16bFromSurfaceScaleX2(const byte *surface);
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void translateSurface(byte *destP, const byte *srcP, int count, int minThreshold, int maxThreshold);
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void displayScaled8BitRect(const byte *surface, int xp, int yp, int width, int height, int destX, int destY);
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void lockScreen();
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void unlockScreen();
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public:
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byte _paletteBuffer[PALETTE_SIZE * 2];
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byte _colorTable[PALETTE_EXT_BLOCK_SIZE];
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byte _palette[PALETTE_EXT_BLOCK_SIZE];
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byte _oldPalette[PALETTE_EXT_BLOCK_SIZE];
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byte *_backBuffer;
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byte *_frontBuffer;
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byte *_screenBuffer;
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byte *_backupScreen;
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bool _largeScreenFl;
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bool _noFadingFl;
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bool _fadingFl;
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bool _skipVideoLockFl;
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int _scrollOffset;
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int _scrollPosX;
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int _oldScrollPosX;
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int _scrollSpeed;
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int _lineNbr;
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int _lineNbr2;
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int _minX, _minY;
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int _maxX, _maxY;
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int _scrollStatus;
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int _fadeDefaultSpeed;
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int _screenLineSize;
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/**
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* The _dirtyRects list contains paletted game areas that need to be redrawn.
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* The _dstrect array is the list of areas of the screen that ScummVM needs to be redrawn.
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* Some areas, such as the animation managers, skip the _dirtyRects and use _dstrec directly.
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*/
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Common::Array<Common::Rect> _dirtyRects;
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Common::Array<Common::Rect> _refreshRects;
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bool _showDirtyRects;
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bool _showZones;
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bool _showLines;
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byte *_palettePixels;
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public:
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GraphicsManager(HopkinsEngine *vm);
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~GraphicsManager();
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void clearPalette();
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void clearScreen();
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void clearVesaScreen();
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void resetDirtyRects();
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void resetRefreshRects();
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void addDirtyRect(int x1, int y1, int x2, int y2);
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void addDirtyRect(const Common::Rect &r) { addDirtyRect(r.left, r.top, r.right, r.bottom); }
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void addRefreshRect(int x1, int y1, int x2, int y2);
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void addRectToArray(Common::Array<Common::Rect> &rects, const Common::Rect &newRect);
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void displayDirtyRects();
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void displayRefreshRects();
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void displayZones();
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void displayLines();
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void displayDebugRect(Graphics::Surface *surface, const Common::Rect &srcRect, uint32 color = 0xffffff);
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void copySurface(const byte *surface, int x1, int y1, int width, int height, byte *destSurface, int destX, int destY);
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void loadImage(const Common::String &file);
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void loadVgaImage(const Common::String &file);
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void fadeInLong();
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void fadeInBreakout();
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void fadeInDefaultLength(const byte *surface);
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void fadeInShort();
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void fadeOutDefaultLength(const byte *surface);
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void fadeOutBreakout();
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void fadeOutLong();
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void fadeOutShort();
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void copyWinscanVbe3(const byte *srcData, byte *destSurface);
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void copyWinscanVbe(const byte *srcP, byte *destP);
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void copyVideoVbe16(const byte *srcData);
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void copyVideoVbe16a(const byte *srcData);
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void copySurfaceRect(const byte *srcSurface, byte *destSurface, int xs, int ys, int width, int height);
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void restoreSurfaceRect(byte *destSurface, const byte *src, int xp, int yp, int width, int height);
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void displayFont(byte *surface, const byte *spriteData, int xp, int yp, int characterIndex, int color);
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void drawHorizontalLine(byte *surface, int xp, int yp, uint16 width, byte col);
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void drawVerticalLine(byte *surface, int xp, int yp, int height, byte col);
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void initColorTable(int minIndex, int maxIndex, byte *palette);
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void setGraphicalMode(int width, int height);
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void setPaletteVGA256(const byte *palette);
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void setPaletteVGA256WithRefresh(const byte *palette, const byte *surface);
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void scrollScreen(int amount);
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int zoomIn(int v, int percentage);
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int zoomOut(int v, int percentage);
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void initScreen(const Common::String &file, int mode, bool initializeScreen);
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void displayAllBob();
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void endDisplayBob();
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void updateScreen();
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void reduceScreenPart(const byte *srcSruface, byte *destSurface, int xp, int yp, int width, int height, int zoom);
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void setScreenWidth(int pitch);
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void setColorPercentage(int palIndex, int r, int g, int b);
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void setColorPercentage2(int palIndex, int r, int g, int b);
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void fastDisplay(const byte *spriteData, int xp, int yp, int spriteIndex, bool addSegment = true);
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void fastDisplay2(const byte *objectData, int xp, int yp, int idx, bool addSegment = true);
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void drawCompressedSprite(byte *surface, const byte *srcData, int xp300, int yp300, int frameIndex, int zoom1, int zoom2, bool flipFl);
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void copyRect(const byte *srcSurface, int x1, int y1, uint16 width, int height, byte *destSurface, int destX, int destY);
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void drawVesaSprite(byte *surface, const byte *spriteData, int xp, int yp, int spriteIndex);
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void display8BitRect(const byte *surface, int xs, int ys, int width, int height, int destX, int destY);
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void fillSurface(byte *surface, byte *col, int size);
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void displayScreen(bool initPalette);
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void backupScreen();
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void restoreScreen();
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};
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} // End of namespace Hopkins
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#endif /* HOPKINS_GRAPHICS_H */
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