98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
/*
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* KiRouter - a push-and-(sometimes-)shove PCB router
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*
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* Copyright (C) 2013 CERN
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* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.or/licenses/>.
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*/
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#ifndef __PNS_WALKAROUND_H
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#define __PNS_WALKAROUND_H
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#include "pns_line.h"
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#include "pns_node.h"
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class PNS_WALKAROUND
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{
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static const int DefaultIterationLimit = 50;
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public:
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PNS_WALKAROUND( PNS_NODE* aWorld ) :
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m_world( aWorld ), m_iteration_limit( DefaultIterationLimit )
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{
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m_forceSingleDirection = false;
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m_forceLongerPath = false;
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m_cursorApproachMode = false;
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};
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~PNS_WALKAROUND() {};
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enum WalkaroundStatus
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{
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IN_PROGRESS = 0,
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DONE,
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STUCK
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};
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void SetWorld( PNS_NODE* aNode )
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{
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m_world = aNode;
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}
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void SetIterationLimit( const int aIterLimit )
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{
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m_iteration_limit = aIterLimit;
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}
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void SetSolidsOnly( bool aSolidsOnly )
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{
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m_solids_only = aSolidsOnly;
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}
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void SetSingleDirection( bool aForceSingleDirection )
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{
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m_forceSingleDirection = aForceSingleDirection;
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m_forceLongerPath = true;
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}
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void SetApproachCursor( bool aEnabled, const VECTOR2I& aPos )
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{
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m_cursorPos = aPos;
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m_cursorApproachMode = aEnabled;
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}
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WalkaroundStatus Route( const PNS_LINE& aInitialPath, PNS_LINE& aWalkPath,
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bool aOptimize = true );
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private:
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void start( const PNS_LINE& aInitialPath );
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WalkaroundStatus singleStep( PNS_LINE& aPath, bool aWindingDirection );
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PNS_NODE::OptObstacle nearestObstacle( const PNS_LINE& aPath );
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PNS_NODE* m_world;
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int m_recursiveBlockageCount;
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int m_iteration;
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int m_iteration_limit;
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bool m_solids_only;
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bool m_forceSingleDirection, m_forceLongerPath;
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bool m_cursorApproachMode;
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VECTOR2I m_cursorPos;
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PNS_NODE::OptObstacle m_currentObstacle[2];
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bool m_recursiveCollision[2];
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};
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#endif // __PNS_WALKAROUND_H
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