2021-12-26 18:48:43 +01:00

116 lines
3.9 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef SCI_GRAPHICS_VIEW_H
#define SCI_GRAPHICS_VIEW_H
#include "sci/util.h"
namespace Sci {
struct CelInfo {
int16 width, height;
int16 scriptWidth, scriptHeight;
int16 displaceX;
int16 displaceY;
byte clearKey;
uint16 offsetEGA;
uint32 offsetRLE;
uint32 offsetLiteral;
Common::SpanOwner<SciSpan<const byte> > rawBitmap;
};
struct LoopInfo {
bool mirrorFlag;
Common::Array<CelInfo> cel;
};
enum {
SCI_VIEW_EGAMAPPING_SIZE = 16,
SCI_VIEW_EGAMAPPING_COUNT = 8
};
class GfxScreen;
class GfxPalette;
class Resource;
/**
* View class, handles loading of view resources and drawing contained cels to screen
* every view resource has its own instance of this class
*/
class GfxView {
public:
GfxView(ResourceManager *resMan, GfxScreen *screen, GfxPalette *palette, GuiResourceId resourceId);
~GfxView();
GuiResourceId getResourceId() const;
int16 getWidth(int16 loopNo, int16 celNo) const;
int16 getHeight(int16 loopNo, int16 celNo) const;
const CelInfo *getCelInfo(int16 loopNo, int16 celNo) const;
void getCelRect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, Common::Rect &outRect) const;
void getCelSpecialHoyle4Rect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, Common::Rect &outRect) const;
void getCelScaledRect(int16 loopNo, int16 celNo, int16 x, int16 y, int16 z, int16 scaleX, int16 scaleY, Common::Rect &outRect) const;
const SciSpan<const byte> &getBitmap(int16 loopNo, int16 celNo);
void draw(const Common::Rect &rect, const Common::Rect &clipRect, const Common::Rect &clipRectTranslated, int16 loopNo, int16 celNo, byte priority, uint16 EGAmappingNr, bool upscaledHires, uint16 scaleSignal = 0);
void drawScaled(const Common::Rect &rect, const Common::Rect &clipRect, const Common::Rect &clipRectTranslated, int16 loopNo, int16 celNo, byte priority, int16 scaleX, int16 scaleY, uint16 scaleSignal = 0);
uint16 getLoopCount() const { return _loop.size(); }
uint16 getCelCount(int16 loopNo) const;
Palette *getPalette();
bool isScaleable();
void adjustToUpscaledCoordinates(int16 &y, int16 &x);
void adjustBackUpscaledCoordinates(int16 &y, int16 &x);
private:
void initData(GuiResourceId resourceId);
void unpackCel(int16 loopNo, int16 celNo, SciSpan<byte> &outPtr);
void unditherBitmap(SciSpan<byte> &bitmap, int16 width, int16 height, byte clearKey);
byte getMappedColor(byte color, uint16 scaleSignal, const Palette *palette, int x2, int y2);
static void createScalingTable(Common::Array<uint16> &table, int16 celSize, uint16 maxSize, int16 scale);
ResourceManager *_resMan;
GfxCoordAdjuster16 *_coordAdjuster;
GfxScreen *_screen;
GfxPalette *_palette;
GuiResourceId _resourceId;
Resource *_resource;
Common::Array<LoopInfo> _loop;
bool _embeddedPal;
Palette _viewPalette;
SciSpan<const byte> _EGAmapping;
// this is set for sci0early to adjust for the getCelRect() change
int16 _adjustForSci0Early;
// this is not set for some views in laura bow 2 floppy and signals that the view shall never get scaled
// even if scaleX/Y are set (inside kAnimate)
bool _isScaleable;
};
} // End of namespace Sci
#endif