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0f9b1364cf
Draw::_vgaSmallPalette was supposed to be a 16-color VGA palette / EGA palette, but we've been using the first 16 entries of Draw::_vgaPalette for that for ages now. The only parts where we didn't were codepaths never actually taken in the gob games, so for the sake of clarity (and fixing Coverity issues), this commit removes those as well. Fixes Coverity issues 1192648 and 1192649.
319 lines
8.1 KiB
C++
319 lines
8.1 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef GOB_DRAW_H
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#define GOB_DRAW_H
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#include "gob/video.h"
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namespace Gob {
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#define RENDERFLAG_NOINVALIDATE 0x0001
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#define RENDERFLAG_CAPTUREPUSH 0x0002
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#define RENDERFLAG_COLLISIONS 0x0004
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#define RENDERFLAG_CAPTUREPOP 0x0008
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#define RENDERFLAG_USEDELTAS 0x0010
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#define RENDERFLAG_BORDERHOTSPOTS 0x0040
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#define RENDERFLAG_HASWINDOWS 0x0080
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#define RENDERFLAG_NOBLITINVALIDATED 0x0200
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#define RENDERFLAG_NOSUBTITLES 0x0400
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#define RENDERFLAG_FROMSPLIT 0x0800
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#define RENDERFLAG_DOUBLECOORDS 0x1000
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class Draw {
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public:
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static const int kSpriteCount = 100;
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static const int kFontCount = 16;
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static const int kFrontSurface = 20;
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static const int kBackSurface = 21;
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static const int kAnimSurface = 22;
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static const int kCursorSurface = 23;
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static const int kCaptureSurface = 30;
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struct FontToSprite {
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int8 sprite;
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int8 base;
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int8 width;
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int8 height;
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FontToSprite() : sprite(0), base(0), width(0), height(0) {}
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};
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struct fascinWin {
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int16 id;
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int16 left;
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int16 top;
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int16 width;
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int16 height;
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SurfacePtr savedSurface;
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};
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int16 _renderFlags;
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uint16 _fontIndex;
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int16 _spriteLeft;
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int16 _spriteTop;
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int16 _spriteRight;
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int16 _spriteBottom;
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int16 _destSpriteX;
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int16 _destSpriteY;
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int16 _backColor;
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int16 _frontColor;
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int16 _transparency;
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int16 _sourceSurface;
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int16 _destSurface;
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char _letterToPrint;
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const char *_textToPrint;
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char *_hotspotText;
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int16 _backDeltaX;
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int16 _backDeltaY;
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int16 _subtitleFont;
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int16 _subtitleColor;
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FontToSprite _fontToSprite[4];
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Font *_fonts[kFontCount];
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Common::Array<SurfacePtr> _spritesArray;
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int16 _invalidatedCount;
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int16 _invalidatedLefts[30];
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int16 _invalidatedTops[30];
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int16 _invalidatedRights[30];
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int16 _invalidatedBottoms[30];
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bool _noInvalidated;
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// Don't blit invalidated rects when in video mode 5 or 7
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bool _noInvalidated57;
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bool _paletteCleared;
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bool _applyPal;
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SurfacePtr _backSurface;
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SurfacePtr _frontSurface;
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int16 _unusedPalette1[18];
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int16 _unusedPalette2[16];
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Video::Color _vgaPalette[256];
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// 0 (00b): No cursor
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// 1 (01b): Cursor would be on _backSurface
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// 2 (10b): Cursor would be on _frontSurface
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// 3 (11b): Cursor would be on _backSurface and _frontSurface
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uint8 _showCursor;
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int16 _cursorIndex;
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int16 _transparentCursor;
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uint32 _cursorTimeKey;
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int16 _cursorX;
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int16 _cursorY;
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int16 _cursorWidth;
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int16 _cursorHeight;
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int32 _cursorHotspotXVar;
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int32 _cursorHotspotYVar;
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int32 _cursorHotspotX;
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int32 _cursorHotspotY;
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SurfacePtr _cursorSprites;
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SurfacePtr _cursorSpritesBack;
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SurfacePtr _scummvmCursor;
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int16 _cursorAnim;
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int8 _cursorAnimLow[40];
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int8 _cursorAnimHigh[40];
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int8 _cursorAnimDelays[40];
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int32 _cursorCount;
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bool *_doCursorPalettes;
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byte *_cursorPalettes;
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byte *_cursorKeyColors;
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uint16 *_cursorPaletteStarts;
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uint16 *_cursorPaletteCounts;
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int32 *_cursorHotspotsX;
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int32 *_cursorHotspotsY;
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int16 _palLoadData1[4];
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int16 _palLoadData2[4];
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int16 _needAdjust;
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int16 _scrollOffsetY;
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int16 _scrollOffsetX;
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int16 _pattern;
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fascinWin _fascinWin[10];
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int16 _winMaxWidth;
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int16 _winMaxHeight;
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int16 _winCount;
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int16 _winVarArrayLeft;
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int16 _winVarArrayTop;
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int16 _winVarArrayWidth;
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int16 _winVarArrayHeight;
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int16 _winVarArrayStatus;
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int16 _winVarArrayLimitsX;
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int16 _winVarArrayLimitsY;
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void invalidateRect(int16 left, int16 top, int16 right, int16 bottom);
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void blitInvalidated();
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void setPalette();
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void clearPalette();
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uint32 getColor(uint8 index) const;
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void dirtiedRect(int16 surface, int16 left, int16 top, int16 right, int16 bottom);
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void dirtiedRect(SurfacePtr surface, int16 left, int16 top, int16 right, int16 bottom);
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void initSpriteSurf(int16 index, int16 width, int16 height, int16 flags);
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void freeSprite(int16 index);
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void adjustCoords(char adjust, int16 *coord1, int16 *coord2);
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void adjustCoords(char adjust, uint16 *coord1, uint16 *coord2) {
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adjustCoords(adjust, (int16 *)coord1, (int16 *)coord2);
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}
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int stringLength(const char *str, uint16 fontIndex);
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void printTextCentered(int16 id, int16 left, int16 top, int16 right,
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int16 bottom, const char *str, int16 fontIndex, int16 color);
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void oPlaytoons_sub_F_1B( uint16 id, int16 left, int16 top, int16 right, int16 bottom, char *paramStr, int16 var3, int16 var4, int16 shortId);
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int32 getSpriteRectSize(int16 index);
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void forceBlit(bool backwards = false);
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static const int16 _wobbleTable[360];
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void wobble(Surface &surfDesc);
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Font *loadFont(const char *path) const;
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bool loadFont(uint16 fontIndex, const char *path);
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virtual void initScreen() = 0;
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virtual void closeScreen() = 0;
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virtual void blitCursor() = 0;
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virtual void animateCursor(int16 cursor) = 0;
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virtual void printTotText(int16 id) = 0;
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virtual void spriteOperation(int16 operation) = 0;
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virtual int16 openWin(int16 id) { return 0; }
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virtual void closeWin(int16 id) {}
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virtual int16 handleCurWin() { return 0; }
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virtual int16 getWinFromCoord(int16 &dx, int16 &dy) { return -1; }
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virtual void moveWin(int16 id) {}
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virtual bool overlapWin(int16 idWin1, int16 idWin2) { return false; }
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virtual void closeAllWin() {}
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virtual void activeWin(int16 id) {}
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Draw(GobEngine *vm);
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virtual ~Draw();
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protected:
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GobEngine *_vm;
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};
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class Draw_v1 : public Draw {
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public:
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virtual void initScreen();
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virtual void closeScreen();
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virtual void blitCursor();
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virtual void animateCursor(int16 cursor);
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virtual void printTotText(int16 id);
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virtual void spriteOperation(int16 operation);
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Draw_v1(GobEngine *vm);
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virtual ~Draw_v1() {}
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};
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class Draw_v2 : public Draw_v1 {
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public:
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virtual void initScreen();
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virtual void closeScreen();
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virtual void blitCursor();
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virtual void animateCursor(int16 cursor);
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virtual void printTotText(int16 id);
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virtual void spriteOperation(int16 operation);
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Draw_v2(GobEngine *vm);
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virtual ~Draw_v2() {}
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private:
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uint8 _mayorWorkaroundStatus;
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void fixLittleRedStrings();
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};
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class Draw_Bargon: public Draw_v2 {
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public:
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virtual void initScreen();
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Draw_Bargon(GobEngine *vm);
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virtual ~Draw_Bargon() {}
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};
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class Draw_Fascination: public Draw_v2 {
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public:
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Draw_Fascination(GobEngine *vm);
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virtual ~Draw_Fascination() {}
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virtual void spriteOperation(int16 operation);
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void decompWin(int16 x, int16 y, SurfacePtr destPtr);
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void drawWin(int16 fct);
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void saveWin(int16 id);
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void restoreWin(int16 id);
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void handleWinBorder(int16 id);
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void drawWinTrace(int16 left, int16 top, int16 width, int16 height);
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virtual int16 openWin(int16 id);
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virtual void closeWin(int16 id);
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virtual int16 getWinFromCoord(int16 &dx, int16 &dy);
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virtual int16 handleCurWin();
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virtual void activeWin(int16 id);
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virtual void moveWin(int16 id);
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virtual bool overlapWin(int16 idWin1, int16 idWin2);
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virtual void closeAllWin();
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};
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class Draw_Playtoons: public Draw_v2 {
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public:
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Draw_Playtoons(GobEngine *vm);
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virtual ~Draw_Playtoons() {}
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virtual void spriteOperation(int16 operation);
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};
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// Draw operations
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#define DRAW_BLITSURF 0
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#define DRAW_PUTPIXEL 1
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#define DRAW_FILLRECT 2
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#define DRAW_DRAWLINE 3
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#define DRAW_INVALIDATE 4
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#define DRAW_LOADSPRITE 5
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#define DRAW_PRINTTEXT 6
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#define DRAW_DRAWBAR 7
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#define DRAW_CLEARRECT 8
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#define DRAW_FILLRECTABS 9
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#define DRAW_DRAWLETTER 10
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} // End of namespace Gob
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#endif // GOB_DRAW_H
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