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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.
*
* $URL$
* $Id$
*
*/
#ifndef KYRA_SCREEN_H
#define KYRA_SCREEN_H
#include "common/util.h"
#include "kyra/util.h"
class OSystem;
namespace Kyra {
typedef Functor0<void> UpdateFunctor;
class KyraEngine;
struct Rect;
struct ScreenDim {
uint16 sx;
uint16 sy;
uint16 w;
uint16 h;
uint16 unk8;
uint16 unkA;
uint16 unkC;
uint16 unkE;
};
struct Font {
uint8 *fontData;
uint8 *charWidthTable;
uint16 charSizeOffset;
uint16 charBitmapOffset;
uint16 charWidthTableOffset;
uint16 charHeightTableOffset;
};
class Screen {
friend class Debugger_v1;
public:
enum {
SCREEN_W = 320,
SCREEN_H = 200,
SCREEN_PAGE_SIZE = 320 * 200 + 1024,
SCREEN_OVL_SJIS_SIZE = 640 * 400,
SCREEN_PAGE_NUM = 16,
SCREEN_OVLS_NUM = 4
};
enum CopyRegionFlags {
CR_X_FLIPPED = 0x01,
CR_NO_P_CHECK = 0x02
};
enum DrawShapeFlags {
DSF_X_FLIPPED = 0x01,
DSF_Y_FLIPPED = 0x02,
DSF_SCALE = 0x04,
DSF_WND_COORDS = 0x10,
DSF_CENTER = 0x20
};
enum FontId {
FID_6_FNT = 0,
FID_8_FNT,
FID_CRED6_FNT,
FID_CRED8_FNT,
FID_BOOKFONT_FNT,
FID_GOLDFONT_FNT,
FID_NUM
};
Screen(KyraEngine *vm, OSystem *system);
virtual ~Screen();
virtual bool init();
void updateScreen();
// debug functions
bool queryScreenDebug() const { return _debugEnabled; }
bool enableScreenDebug(bool enable);
// page cur. functions
int setCurPage(int pageNum);
void copyFromCurPageBlock(int x, int y, int w, int h, const uint8 *src);
void copyCurPageBlock(int x, int y, int w, int h, uint8 *dst);
void clearCurPage();
// page 0 functions
void copyToPage0(int y, int h, uint8 page, uint8 *seqBuf);
void shakeScreen(int times);
// page functions
void copyRegion(int x1, int y1, int x2, int y2, int w, int h, int srcPage, int dstPage, int flags=0);
void copyPage(uint8 srcPage, uint8 dstPage);
void copyRegionToBuffer(int pageNum, int x, int y, int w, int h, uint8 *dest);
void copyBlockToPage(int pageNum, int x, int y, int w, int h, const uint8 *src);
void shuffleScreen(int sx, int sy, int w, int h, int srcPage, int dstPage, int ticks, bool transparent);
void fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum = -1, bool xored = false);
void clearPage(int pageNum);
uint8 getPagePixel(int pageNum, int x, int y);
void setPagePixel(int pageNum, int x, int y, uint8 color);
const uint8 *getCPagePtr(int pageNum) const;
uint8 *getPageRect(int pageNum, int x, int y, int w, int h);
// palette handling
void fadeFromBlack(int delay=0x54, const UpdateFunctor *upFunc = 0);
void fadeToBlack(int delay=0x54, const UpdateFunctor *upFunc = 0);
void fadePalette(const uint8 *palData, int delay, const UpdateFunctor *upFunc = 0);
void setPaletteIndex(uint8 index, uint8 red, uint8 green, uint8 blue);
void setScreenPalette(const uint8 *palData);
const uint8 *getScreenPalette() const { return _screenPalette; }
uint8 *getPalette(int num);
// gui specific (processing on _curPage)
void drawLine(bool vertical, int x, int y, int length, int color);
void drawClippedLine(int x1, int y1, int x2, int y2, int color);
void drawShadedBox(int x1, int y1, int x2, int y2, int color1, int color2);
void drawBox(int x1, int y1, int x2, int y2, int color);
// font/text handling
bool loadFont(FontId fontId, const char *filename);
FontId setFont(FontId fontId);
int getFontHeight() const;
int getFontWidth() const;
int getCharWidth(uint16 c) const;
int getTextWidth(const char *str) const;
void printText(const char *str, int x, int y, uint8 color1, uint8 color2);
virtual void setTextColorMap(const uint8 *cmap) = 0;
void setTextColor(const uint8 *cmap, int a, int b);
virtual void setScreenDim(int dim) = 0;
virtual const ScreenDim *getScreenDim(int dim) = 0;
const ScreenDim *_curDim;
// shape handling
uint8 *encodeShape(int x, int y, int w, int h, int flags);
int setNewShapeHeight(uint8 *shape, int height);
int resetShapeHeight(uint8 *shape);
void drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd, int flags, ...);
// mouse handling
void hideMouse();
void showMouse();
bool isMouseVisible() const;
void setMouseCursor(int x, int y, byte *shape);
// rect handling
virtual int getRectSize(int w, int h) = 0;
void rectClip(int &x, int &y, int w, int h);
// misc
void loadBitmap(const char *filename, int tempPage, int dstPage, uint8 *palData);
bool loadPalette(const char *filename, uint8 *palData);
void loadPalette(const byte *data, uint8 *palData, int bytes);
void setAnimBlockPtr(int size);
void setShapePages(int page1, int page2);
byte getShapeFlag1(int x, int y);
byte getShapeFlag2(int x, int y);
int getDrawLayer(int x, int y);
int getDrawLayer2(int x, int y, int height);
void blockInRegion(int x, int y, int width, int height);
void blockOutRegion(int x, int y, int width, int height);
int _charWidth;
int _charOffset;
int _curPage;
uint8 *_currentPalette;
uint8 *_shapePages[2];
FontId _currentFont;
bool _disableScreen;
// decoding functions
static void decodeFrame3(const uint8 *src, uint8 *dst, uint32 size);
static uint decodeFrame4(const uint8 *src, uint8 *dst, uint32 dstSize);
static void decodeFrameDelta(uint8 *dst, const uint8 *src, bool noXor = false);
static void decodeFrameDeltaPage(uint8 *dst, const uint8 *src, const int pitch, bool noXor);
static void convertAmigaGfx(uint8 *data, int w, int h, bool offscreen = true);
static void convertAmigaMsc(uint8 *data);
protected:
uint8 *getPagePtr(int pageNum);
void updateDirtyRects();
void updateDirtyRectsOvl();
void scale2x(byte *dst, int dstPitch, const byte *src, int srcPitch, int w, int h);
void mergeOverlay(int x, int y, int w, int h);
// overlay specific
byte *getOverlayPtr(int pageNum);
void clearOverlayPage(int pageNum);
void clearOverlayRect(int pageNum, int x, int y, int w, int h);
void copyOverlayRegion(int x, int y, int x2, int y2, int w, int h, int srcPage, int dstPage);
// font/text specific
void drawCharANSI(uint8 c, int x, int y);
void drawCharSJIS(uint16 c, int x, int y);
enum {
SJIS_CHARSIZE = 18,
SJIS_CHARS = 8192
};
int16 encodeShapeAndCalculateSize(uint8 *from, uint8 *to, int size);
void restoreMouseRect();
void copyMouseToScreen();
void copyScreenFromRect(int x, int y, int w, int h, const uint8 *ptr);
void copyScreenToRect(int x, int y, int w, int h, uint8 *ptr);
template<bool noXor> static void wrapped_decodeFrameDelta(uint8 *dst, const uint8 *src);
template<bool noXor> static void wrapped_decodeFrameDeltaPage(uint8 *dst, const uint8 *src, const int pitch);
uint8 *_pagePtrs[16];
uint8 *_sjisOverlayPtrs[SCREEN_OVLS_NUM];
bool _useOverlays;
bool _useSJIS;
uint8 *_sjisFontData;
uint8 *_sjisTempPage;
uint8 *_sjisTempPage2;
uint8 *_sjisSourceChar;
uint8 *_screenPalette;
uint8 *_palettes[6];
Font _fonts[FID_NUM];
uint8 _textColorsMap[16];
uint8 *_decodeShapeBuffer;
int _decodeShapeBufferSize;
uint8 *_animBlockPtr;
int _animBlockSize;
int _mouseLockCount;
enum {
kMaxDirtyRects = 50
};
bool _forceFullUpdate;
int _numDirtyRects;
Rect *_dirtyRects;
void addDirtyRect(int x, int y, int w, int h);
OSystem *_system;
KyraEngine *_vm;
// shape
int drawShapeMarginNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeMarginNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeMarginScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeMarginScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeSkipScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt);
int drawShapeSkipScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt);
void drawShapeProcessLineNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
void drawShapeProcessLineNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
void drawShapeProcessLineScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
void drawShapeProcessLineScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
void drawShapePlotType0(uint8 *dst, uint8 cmd);
void drawShapePlotType4(uint8 *dst, uint8 cmd);
void drawShapePlotType8(uint8 *dst, uint8 cmd);
void drawShapePlotType9(uint8 *dst, uint8 cmd);
void drawShapePlotType11_15(uint8 *dst, uint8 cmd);
void drawShapePlotType12(uint8 *dst, uint8 cmd);
void drawShapePlotType13(uint8 *dst, uint8 cmd);
void drawShapePlotType14(uint8 *dst, uint8 cmd);
typedef int (Screen::*DsMarginSkipFunc)(uint8 *&dst, const uint8 *&src, int &cnt);
typedef void (Screen::*DsLineFunc)(uint8 *&dst, const uint8 *&src, int &cnt, int scaleState);
typedef void (Screen::*DsPlotFunc)(uint8 *dst, uint8 cmd);
DsMarginSkipFunc _dsProcessMargin;
DsMarginSkipFunc _dsScaleSkip;
DsLineFunc _dsProcessLine;
DsPlotFunc _dsPlot;
const uint8 *_dsTable;
int _dsTableLoopCount;
const uint8 *_dsTable2;
int _dsDrawLayer;
uint8 *_dsDstPage;
int _dsTmpWidth;
int _dsOffscreenLeft;
int _dsOffscreenRight;
int _dsScaleW;
int _dsScaleH;
int _dsOffscreenScaleVal1;
int _dsOffscreenScaleVal2;
int _drawShapeVar1;
int _drawShapeVar3;
int _drawShapeVar4;
int _drawShapeVar5;
// init
virtual void setResolution();
// debug
bool _debugEnabled;
};
class ScreenEx : public Screen {
public:
ScreenEx(KyraEngine *vm, OSystem *system) : Screen(vm, system) {}
// screen page handling
void copyWsaRect(int x, int y, int w, int h, int dimState, int plotFunc, const uint8 *src,
int unk1, const uint8 *unkPtr1, const uint8 *unkPtr2);
// palette handling
uint8 *generateOverlay(const uint8 *palette, uint8 *buffer, int color, uint16 factor);
void applyOverlay(int x, int y, int w, int h, int pageNum, const uint8 *overlay);
int findLeastDifferentColor(const uint8 *paletteEntry, const uint8 *palette, uint16 numColors);
// shape handling
uint8 *getPtrToShape(uint8 *shpFile, int shape);
const uint8 *getPtrToShape(const uint8 *shpFile, int shape);
int getShapeScaledWidth(const uint8 *shpFile, int scale);
int getShapeScaledHeight(const uint8 *shpFile, int scale);
uint16 getShapeSize(const uint8 *shp);
uint8 *makeShapeCopy(const uint8 *src, int index);
// rect handling
int getRectSize(int w, int h);
// text display
void setTextColorMap(const uint8 *cmap);
// layer handling
virtual int getLayer(int x, int y);
protected:
};
} // End of namespace Kyra
#endif
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