pns_dragger.h

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/*
 * KiRouter - a push-and-(sometimes-)shove PCB router
 *
 * Copyright (C) 2013-2014 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 * Author: Tomasz Wlostowski <[email protected]>
 *
 * 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 <https://www.gnu.org/licenses/>.
 */
 
#ifndef __PNS_DRAGGER_H
#define __PNS_DRAGGER_H
 
#include <memory>
#include <math/vector2d.h>
 
#include "pns_node.h"
#include "pns_via.h"
#include "pns_line.h"
#include "pns_drag_algo.h"
#include "pns_itemset.h"
#include "pns_layerset.h"
#include "pns_mouse_trail_tracer.h"
 
namespace PNS {
 
class ROUTER;
class SHOVE;
class OPTIMIZER;

class DRAGGER : public DRAG_ALGO
{
public:
     DRAGGER( ROUTER* aRouter );
    ~DRAGGER();

    virtual bool Start( const VECTOR2I& aP, ITEM_SET& aPrimitives ) override;

    bool Drag( const VECTOR2I& aP ) override;

    bool FixRoute( bool aForceCommit ) override;

    NODE* CurrentNode() const override;

    const std::vector<NET_HANDLE> CurrentNets() const override;

    int CurrentLayer() const override
    {
        return m_draggedLine.Layer();
    }
 
    const LINE& GetOriginalLine()
    {
        return m_draggedLine;
    }
 
    const LINE& GetLastDragSolution()
    {
        return m_lastDragSolution;
    }

    const ITEM_SET Traces() override;
 
    void SetMode( PNS::DRAG_MODE aDragMode ) override;
 
    PNS::DRAG_MODE Mode() const override;
 
    bool GetForceMarkObstaclesMode( bool* aDragStatus ) const override
    {
        *aDragStatus = m_dragStatus;
        return m_forceMarkObstaclesMode;
    }
 
private:
    const ITEM_SET findViaFanoutByHandle ( NODE *aNode, const VIA_HANDLE& handle );
 
    bool dragMarkObstacles( const VECTOR2I& aP );
    bool dragShove(const VECTOR2I& aP );
    bool dragWalkaround(const VECTOR2I& aP );
    bool startDragSegment( const VECTOR2D& aP, SEGMENT* aSeg );
    bool startDragArc( const VECTOR2D& aP, ARC* aArc );
    bool startDragVia( VIA* aVia );
    bool dragViaMarkObstacles( const VIA_HANDLE& aHandle, NODE* aNode, const VECTOR2I& aP );
    bool dragViaWalkaround( const VIA_HANDLE& aHandle, NODE* aNode, const VECTOR2I& aP );
    void optimizeAndUpdateDraggedLine( LINE& aDragged, const LINE& aOrig, const VECTOR2I& aP );
    bool propagateViaForces( NODE* node, std::set<VIA*>& vias );
    bool tryWalkaround( NODE* aNode, LINE& aOrig, LINE& aWalk );
    VVIA* checkVirtualVia( const VECTOR2D& aP, SEGMENT* aSeg );

    VECTOR2I bestAnchorForPoint( const SHAPE_LINE_CHAIN& aLine, const VECTOR2I& aP ) const;

    bool pointHasBadCorner( const SHAPE_LINE_CHAIN& aLine, int aVertexIndex ) const;
 
 
    VIA_HANDLE             m_initialVia;
    VIA_HANDLE             m_draggedVia;
 
    NODE*                  m_lastNode;
    NODE*                  m_preDragNode;
    int                    m_mode;
    LINE                   m_draggedLine;
    LINE                   m_lastDragSolution;
    std::unique_ptr<SHOVE> m_shove;
    int                    m_draggedSegmentIndex;
    bool                   m_dragStatus;
    PNS_MODE               m_currentMode;
    ITEM_SET               m_origViaConnections;
    VECTOR2D               m_lastValidPoint;

    ITEM_SET               m_draggedItems;

    bool                   m_freeAngleMode;
    bool                   m_forceMarkObstaclesMode;
    MOUSE_TRAIL_TRACER     m_mouseTrailTracer;
};
 
}
 
#endif