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c01a1269b6
(cherry picked from commit 3367aafae37d6c28c1ab1e8323613a56a44e3a5c) ILLUSIONS: Delete dictionary list before it gets removed (cherry picked from commit d9d0c11) ILLUSIONS: Implement PathFinder::postProcess (cherry picked from commit ee98dfc)
70 lines
2.5 KiB
C++
70 lines
2.5 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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* 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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* 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 ILLUSIONS_PATHFINDER_H
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#define ILLUSIONS_PATHFINDER_H
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#include "illusions/graphics.h"
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#include "common/array.h"
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#include "common/list.h"
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#include "common/rect.h"
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namespace Illusions {
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struct PathLine {
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Common::Point p0, p1;
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};
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typedef Common::Array<PathLine> PathLines;
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typedef Common::Array<Common::Point> PointArray;
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class PathFinder {
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public:
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PointArray *findPath(Camera *camera, Common::Point sourcePt, Common::Point destPt,
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PointArray *walkPoints, PathLines *walkRects, WidthHeight bgDimensions);
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protected:
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PathLine _screenRect;
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PointArray *_walkPoints;
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PathLines *_walkRects;
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WidthHeight _bgDimensions;
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byte *_pathBytes;
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PointArray *findPathInternal(Common::Point sourcePt, Common::Point destPt);
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void postProcess(Common::Point sourcePt, PointArray *foundPath);
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bool isLineBlocked(PathLine &line);
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int calcLineDistance(PathLine &line);
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bool findClosestPt(Common::Point &sourcePt, Common::Point &closestPt, Common::Point &destPt);
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bool findValidDestLine(Common::Point &destPt);
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void findValidDestPt(Common::Point &destPt);
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WidthHeight calcRectDimensions(PathLine &rect);
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void adjustRectDimensions(WidthHeight &dimensions);
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void swapDimensions(WidthHeight &dimensions);
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void clipLineToBg(Common::Point &destPt, WidthHeight &rectDimensions, PathLine &outDestLine);
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void findDeltaPt(Common::Point pt, Common::Point &outDeltaPt);
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bool isLineWithinRectangle(PathLine &line, PathLine &rect);
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void swapLine(PathLine &line, PathLine &outLine);
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int calcLineStatus(PathLine &sourceLine, PathLine &destRect, Common::Point *outPoint);
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};
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} // End of namespace Illusions
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#endif // ILLUSIONS_PATHFINDER_H
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