kicad/pcbnew/router/pns_walkaround.h

168 lines
4.3 KiB
C++

/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* Copyright (C) 2016 KiCad Developers, see AUTHORS.txt for contributors.
* 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.org/licenses/>.
*/
#ifndef __PNS_WALKAROUND_H
#define __PNS_WALKAROUND_H
#include <set>
#include "pns_line.h"
#include "pns_node.h"
#include "pns_router.h"
#include "pns_logger.h"
#include "pns_algo_base.h"
namespace PNS {
class WALKAROUND : public ALGO_BASE
{
static const int DefaultIterationLimit = 50;
public:
WALKAROUND( NODE* aWorld, ROUTER* aRouter ) :
ALGO_BASE ( aRouter ),
m_world( aWorld ),
m_iterationLimit( DefaultIterationLimit )
{
m_forceSingleDirection = false;
m_forceLongerPath = false;
m_forceWinding = false;
m_cursorApproachMode = false;
m_itemMask = ITEM::ANY_T;
// Initialize other members, to avoid uninitialized variables.
m_recursiveBlockageCount = 0;
m_recursiveCollision[0] = m_recursiveCollision[1] = false;
m_iteration = 0;
m_forceCw = false;
m_forceUniqueWindingDirection = false;
}
~WALKAROUND() {};
enum WALKAROUND_STATUS
{
IN_PROGRESS = 0,
ALMOST_DONE,
DONE,
STUCK
};
struct RESULT
{
RESULT( WALKAROUND_STATUS aStatusCw = STUCK, WALKAROUND_STATUS aStatusCcw = STUCK, const LINE& aLineCw = LINE(), const LINE& aLineCcw = LINE() )
{
statusCw = aStatusCw;
statusCcw = aStatusCcw;
lineCw = aLineCw;
lineCcw = aLineCcw;
}
WALKAROUND_STATUS statusCw, statusCcw;
LINE lineCw, lineCcw;
};
void SetWorld( NODE* aNode )
{
m_world = aNode;
}
void SetIterationLimit( const int aIterLimit )
{
m_iterationLimit = aIterLimit;
}
void SetSolidsOnly( bool aSolidsOnly )
{
if( aSolidsOnly )
m_itemMask = ITEM::SOLID_T;
else
m_itemMask = ITEM::ANY_T;
}
void SetItemMask( int aMask )
{
m_itemMask = aMask;
}
void SetSingleDirection( bool aForceSingleDirection )
{
m_forceSingleDirection = aForceSingleDirection;
m_forceLongerPath = aForceSingleDirection;
}
void SetSingleDirection2( bool aForceSingleDirection )
{
m_forceSingleDirection = aForceSingleDirection;
}
void SetApproachCursor( bool aEnabled, const VECTOR2I& aPos )
{
m_cursorPos = aPos;
m_cursorApproachMode = aEnabled;
}
void SetForceWinding ( bool aEnabled, bool aCw )
{
m_forceCw = aCw;
m_forceWinding = aEnabled;
}
void RestrictToSet( bool aEnabled, const std::set<ITEM*>& aSet )
{
if( aEnabled )
m_restrictedSet = aSet;
else
m_restrictedSet.clear();
}
WALKAROUND_STATUS Route( const LINE& aInitialPath, LINE& aWalkPath,
bool aOptimize = true );
const RESULT Route( const LINE& aInitialPath );
private:
void start( const LINE& aInitialPath );
WALKAROUND_STATUS singleStep( LINE& aPath, bool aWindingDirection );
NODE::OPT_OBSTACLE nearestObstacle( const LINE& aPath );
NODE* m_world;
int m_recursiveBlockageCount;
int m_iteration;
int m_iterationLimit;
int m_itemMask;
bool m_forceSingleDirection, m_forceLongerPath;
bool m_cursorApproachMode;
bool m_forceWinding;
bool m_forceCw;
bool m_forceUniqueWindingDirection;
VECTOR2I m_cursorPos;
NODE::OPT_OBSTACLE m_currentObstacle[2];
bool m_recursiveCollision[2];
std::set<ITEM*> m_restrictedSet;
};
}
#endif // __PNS_WALKAROUND_H