144 lines
3.5 KiB
C++
144 lines
3.5 KiB
C++
/*
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* KiRouter - a push-and-(sometimes-)shove PCB router
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*
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* Copyright (C) 2013-2014 CERN
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* Copyright (C) 2016 KiCad Developers, see AUTHORS.txt for contributors.
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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.org/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 <set>
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#include "pns_line.h"
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#include "pns_node.h"
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#include "pns_router.h"
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#include "pns_logger.h"
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#include "pns_algo_base.h"
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namespace PNS {
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class WALKAROUND : public ALGO_BASE
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{
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static const int DefaultIterationLimit = 50;
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public:
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WALKAROUND( NODE* aWorld, ROUTER* aRouter ) :
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ALGO_BASE ( aRouter ),
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m_world( aWorld ),
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m_iterationLimit( DefaultIterationLimit )
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{
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m_forceWinding = false;
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m_itemMask = ITEM::ANY_T;
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// Initialize other members, to avoid uninitialized variables.
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m_iteration = 0;
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m_forceCw = false;
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m_forceLongerPath = false;
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m_lengthLimitOn = true;
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}
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~WALKAROUND() {};
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enum WALKAROUND_STATUS
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{
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IN_PROGRESS = 0,
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ALMOST_DONE,
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DONE,
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STUCK
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};
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struct RESULT
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{
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RESULT( WALKAROUND_STATUS aStatusCw = STUCK, WALKAROUND_STATUS aStatusCcw = STUCK, const LINE& aLineCw = LINE(), const LINE& aLineCcw = LINE() )
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{
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statusCw = aStatusCw;
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statusCcw = aStatusCcw;
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lineCw = aLineCw;
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lineCcw = aLineCcw;
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}
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WALKAROUND_STATUS statusCw, statusCcw;
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LINE lineCw, lineCcw;
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};
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void SetWorld( 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_iterationLimit = aIterLimit;
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}
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void SetSolidsOnly( bool aSolidsOnly )
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{
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if( aSolidsOnly )
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m_itemMask = ITEM::SOLID_T;
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else
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m_itemMask = ITEM::ANY_T;
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}
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void SetItemMask( int aMask )
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{
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m_itemMask = aMask;
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}
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void SetForceWinding ( bool aEnabled, bool aCw )
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{
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m_forceCw = aCw;
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m_forceWinding = aEnabled;
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}
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void RestrictToSet( bool aEnabled, const std::set<ITEM*>& aSet );
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WALKAROUND_STATUS Route( const LINE& aInitialPath, LINE& aWalkPath,
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bool aOptimize = true );
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const RESULT Route( const LINE& aInitialPath );
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void SetLengthLimit( bool aEnable )
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{
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m_lengthLimitOn = aEnable;
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}
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private:
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void start( const LINE& aInitialPath );
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WALKAROUND_STATUS singleStep( LINE& aPath, bool aWindingDirection );
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NODE::OPT_OBSTACLE nearestObstacle( const LINE& aPath );
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NODE* m_world;
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int m_iteration;
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int m_iterationLimit;
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int m_itemMask;
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bool m_forceWinding;
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bool m_forceCw;
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VECTOR2I m_cursorPos;
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NODE::OPT_OBSTACLE m_currentObstacle[2];
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std::set<ITEM*> m_restrictedSet;
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std::vector<VECTOR2I> m_restrictedVertices;
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bool m_forceLongerPath;
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bool m_lengthLimitOn;
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};
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}
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#endif // __PNS_WALKAROUND_H
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