pns_dp_meander_placer.h

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/*
 * KiRouter - a push-and-(sometimes-)shove PCB router
 *
 * Copyright (C) 2013-2014 CERN
 * Copyright (C) 2016-2021 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_DP_MEANDER_PLACER_H
#define __PNS_DP_MEANDER_PLACER_H

#include <math/vector2d.h>

#include <geometry/shape.h>
#include <geometry/shape_line_chain.h>

#include "pns_node.h"
#include "pns_via.h"
#include "pns_line.h"
#include "pns_placement_algo.h"
#include "pns_meander.h"
#include "pns_meander_placer_base.h"
#include "pns_diff_pair.h"
#include "pns_debug_decorator.h"

namespace PNS {

class ROUTER;

class DP_MEANDER_PLACER : public MEANDER_PLACER_BASE
{
public:
    DP_MEANDER_PLACER( ROUTER* aRouter );
    ~DP_MEANDER_PLACER();

    bool Start( const VECTOR2I& aP, ITEM* aStartItem ) override;

    bool Move( const VECTOR2I& aP, ITEM* aEndItem ) override;

    bool FixRoute( const VECTOR2I& aP, ITEM* aEndItem, bool aForceFinish = false ) override;

    bool CommitPlacement() override;

    bool AbortPlacement() override;

    bool HasPlacedAnything() const override;

    const LINE Trace() const;

    NODE* CurrentNode( bool aLoopsRemoved = false ) const override;

    const ITEM_SET Traces() override;

    const VECTOR2I& CurrentEnd() const override;

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

    int CurrentLayer() const override;

    long long int totalLength();

    const wxString TuningInfo( EDA_UNITS aUnits ) const override;
    TUNING_STATUS TuningStatus() const override;

    bool CheckFit( MEANDER_SHAPE* aShape ) override;


private:
    friend class MEANDER_SHAPE;

    void meanderSegment( const SEG& aBase );

//    void addMeander ( PNS_MEANDER *aM );
//    void addCorner ( const VECTOR2I& aP );

    const SEG baselineSegment( const DIFF_PAIR::COUPLED_SEGMENTS& aCoupledSegs );
    bool pairOrientation( const DIFF_PAIR::COUPLED_SEGMENTS& aPair );

    void setWorld( NODE* aWorld );
    void release();

    long long int origPathLength() const;

    VECTOR2I m_currentStart;

    NODE* m_currentNode;

    DIFF_PAIR m_originPair;
    DIFF_PAIR::COUPLED_SEGMENTS_VEC m_coupledSegments;

    LINE m_currentTraceN, m_currentTraceP;
    ITEM_SET m_tunedPath, m_tunedPathP, m_tunedPathN;

    SHAPE_LINE_CHAIN m_finalShapeP, m_finalShapeN;
    MEANDERED_LINE m_result;
    LINKED_ITEM* m_initialSegment;

    long long int m_lastLength;
    int           m_padToDieP;
    int           m_padToDieN;
    TUNING_STATUS m_lastStatus;
};

}

#endif    // __PNS_DP_MEANDER_PLACER_H