kicad/pcbnew/router/pns_walkaround.h

100 lines
2.4 KiB
C++

/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013 CERN
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* 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.or/licenses/>.
*/
#ifndef __PNS_WALKAROUND_H
#define __PNS_WALKAROUND_H
#include "pns_line.h"
#include "pns_node.h"
class PNS_WALKAROUND {
static const int DefaultIterationLimit = 50;
public:
PNS_WALKAROUND( PNS_NODE *aWorld ):
m_world(aWorld), m_iteration_limit(DefaultIterationLimit) {
m_forceSingleDirection = false;
m_forceLongerPath = false;
m_cursorApproachMode = false;
};
~PNS_WALKAROUND() {};
enum WalkaroundStatus {
IN_PROGRESS = 0,
DONE,
STUCK
};
void SetWorld ( PNS_NODE *aNode )
{
m_world = aNode;
}
void SetIterationLimit( const int aIterLimit )
{
m_iteration_limit = aIterLimit;
}
void SetSolidsOnly ( bool aSolidsOnly )
{
m_solids_only = aSolidsOnly;
}
void SetSingleDirection (bool aForceSingleDirection )
{
m_forceSingleDirection = aForceSingleDirection;
m_forceLongerPath = true;
}
void SetApproachCursor ( bool aEnabled, const VECTOR2I& aPos )
{
m_cursorPos = aPos;
m_cursorApproachMode = aEnabled;
}
WalkaroundStatus Route( const PNS_LINE& aInitialPath, PNS_LINE& aWalkPath, bool aOptimize = true);
private:
void start( const PNS_LINE& aInitialPath );
WalkaroundStatus singleStep(PNS_LINE& aPath, bool aWindingDirection);
PNS_NODE::OptObstacle nearestObstacle(const PNS_LINE& aPath);
PNS_NODE *m_world;
int m_recursiveBlockageCount;
int m_iteration;
int m_iteration_limit;
bool m_solids_only;
bool m_forceSingleDirection, m_forceLongerPath;
bool m_cursorApproachMode;
VECTOR2I m_cursorPos;
PNS_NODE::OptObstacle m_currentObstacle[2];
bool m_recursiveCollision[2];
};
#endif // __PNS_WALKAROUND_H