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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 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_COMPARE_H
#define SCI_GRAPHICS_COMPARE_H
#include "common/hashmap.h"
namespace Sci {
class Screen;
/**
* Compare class, handles compare operations graphic-wise (like when checking control screen for a pattern etc.)
*/
class GfxCompare {
public:
GfxCompare(SegManager *segMan, GfxCache *cache, GfxScreen *screen, GfxCoordAdjuster16 *coordAdjuster);
~GfxCompare();
uint16 kernelOnControl(byte screenMask, const Common::Rect &rect);
void kernelSetNowSeen(reg_t objectReference);
reg_t kernelCanBeHere(reg_t curObject, reg_t listReference);
reg_t kernelCantBeHere32(const reg_t curObject, const reg_t listReference) const;
bool kernelIsItSkip(GuiResourceId viewId, int16 loopNo, int16 celNo, Common::Point position);
void kernelBaseSetter(reg_t object);
Common::Rect getNSRect(reg_t object);
void setNSRect(reg_t object, Common::Rect nsRect);
private:
SegManager *_segMan;
GfxCache *_cache;
GfxScreen *_screen;
GfxCoordAdjuster16 *_coordAdjuster;
uint16 isOnControl(uint16 screenMask, const Common::Rect &rect);
/**
* This function checks whether any of the objects in the given list,
* *different* from checkObject, has a brRect which is contained inside
* checkRect.
*/
reg_t canBeHereCheckRectList(const reg_t checkObject, const Common::Rect &checkRect, const List *list, const uint16 signalFlags) const;
};
} // End of namespace Sci
#endif // SCI_GRAPHICS_COMPARE_H
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