858 lines
19 KiB
C++
858 lines
19 KiB
C++
/*
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* This program source code file is part of KICAD, a free EDA CAD application.
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*
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* Copyright (C) 2013-2017 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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// #define CONNECTIVITY_DEBUG
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#ifndef __CONNECTIVITY_ALGO_H
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#define __CONNECTIVITY_ALGO_H
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#include <class_board.h>
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#include <class_pad.h>
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#include <class_module.h>
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#include <class_zone.h>
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#include <geometry/shape_poly_set.h>
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#include <geometry/poly_grid_partition.h>
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#include <memory>
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#include <algorithm>
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#include <functional>
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#include <vector>
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#include <deque>
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#include <intrusive_list.h>
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#include <connectivity_rtree.h>
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#include <connectivity_data.h>
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class CN_ITEM;
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class CN_CONNECTIVITY_ALGO_IMPL;
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class CN_RATSNEST_NODES;
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class CN_CLUSTER;
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class BOARD;
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class BOARD_CONNECTED_ITEM;
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class BOARD_ITEM;
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class ZONE_CONTAINER;
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class PROGRESS_REPORTER;
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class CN_ANCHOR
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{
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public:
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CN_ANCHOR()
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{
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m_item = nullptr;
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}
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CN_ANCHOR( const VECTOR2I& aPos, CN_ITEM* aItem )
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{
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m_pos = aPos;
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m_item = aItem;
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assert( m_item );
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}
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bool Valid() const;
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CN_ITEM* Item() const
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{
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return m_item;
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}
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BOARD_CONNECTED_ITEM* Parent() const;
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const VECTOR2I& Pos() const
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{
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return m_pos;
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}
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bool IsDirty() const;
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/// Returns tag, common identifier for connected nodes
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inline int GetTag() const
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{
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return m_tag;
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}
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/// Sets tag, common identifier for connected nodes
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inline void SetTag( int aTag )
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{
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m_tag = aTag;
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}
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/// Decides whether this node can be a ratsnest line target
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inline void SetNoLine( bool aEnable )
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{
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m_noline = aEnable;
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}
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/// Returns true if this node can be a target for ratsnest lines
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inline const bool& GetNoLine() const
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{
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return m_noline;
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}
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inline void SetCluster( std::shared_ptr<CN_CLUSTER> aCluster )
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{
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m_cluster = aCluster;
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}
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inline std::shared_ptr<CN_CLUSTER> GetCluster() const
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{
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return m_cluster;
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}
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/**
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* has meaning only for tracks and vias.
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* @return true if this anchor is dangling
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* The anchor point is dangling if the parent is a track
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* and this anchor point is not connected to another item
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* ( track, vas pad or zone) or if the parent is a via and this anchor point
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* is connected to only one track and not to another item
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*/
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bool IsDangling() const;
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// Tag used for unconnected items.
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static const int TAG_UNCONNECTED = -1;
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private:
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/// Position of the anchor
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VECTOR2I m_pos;
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/// Item owning the anchor
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CN_ITEM* m_item = nullptr;
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/// Tag for quick connection resolution
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int m_tag = -1;
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/// Whether it the node can be a target for ratsnest lines
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bool m_noline = false;
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/// Cluster to which the anchor belongs
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std::shared_ptr<CN_CLUSTER> m_cluster;
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};
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typedef std::shared_ptr<CN_ANCHOR> CN_ANCHOR_PTR;
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typedef std::vector<CN_ANCHOR_PTR> CN_ANCHORS;
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class CN_EDGE
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{
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public:
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CN_EDGE() {};
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CN_EDGE( CN_ANCHOR_PTR aSource, CN_ANCHOR_PTR aTarget, int aWeight = 0 ) :
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m_source( aSource ),
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m_target( aTarget ),
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m_weight( aWeight ) {}
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CN_ANCHOR_PTR GetSourceNode() const { return m_source; }
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CN_ANCHOR_PTR GetTargetNode() const { return m_target; }
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int GetWeight() const { return m_weight; }
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void SetSourceNode( const CN_ANCHOR_PTR& aNode ) { m_source = aNode; }
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void SetTargetNode( const CN_ANCHOR_PTR& aNode ) { m_target = aNode; }
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void SetWeight( unsigned int weight ) { m_weight = weight; }
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void SetVisible( bool aVisible )
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{
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m_visible = aVisible;
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}
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bool IsVisible() const
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{
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return m_visible;
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}
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const VECTOR2I GetSourcePos() const
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{
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return m_source->Pos();
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}
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const VECTOR2I GetTargetPos() const
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{
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return m_target->Pos();
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}
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private:
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CN_ANCHOR_PTR m_source;
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CN_ANCHOR_PTR m_target;
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unsigned int m_weight = 0;
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bool m_visible = true;
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};
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class CN_CLUSTER
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{
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private:
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bool m_conflicting = false;
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int m_originNet = 0;
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CN_ITEM* m_originPad = nullptr;
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std::vector<CN_ITEM*> m_items;
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public:
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CN_CLUSTER();
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~CN_CLUSTER();
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bool HasValidNet() const
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{
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return m_originNet >= 0;
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}
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int OriginNet() const
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{
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return m_originNet;
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}
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wxString OriginNetName() const;
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bool Contains( const CN_ITEM* aItem );
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bool Contains( const BOARD_CONNECTED_ITEM* aItem );
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void Dump();
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int Size() const
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{
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return m_items.size();
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}
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bool HasNet() const
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{
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return m_originNet >= 0;
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}
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bool IsOrphaned() const
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{
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return m_originPad == nullptr;
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}
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bool IsConflicting() const
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{
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return m_conflicting;
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}
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void Add( CN_ITEM* item );
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using ITER = decltype(m_items)::iterator;
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ITER begin() { return m_items.begin(); };
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ITER end() { return m_items.end(); };
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};
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typedef std::shared_ptr<CN_CLUSTER> CN_CLUSTER_PTR;
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// basic connectivity item
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class CN_ITEM : public INTRUSIVE_LIST<CN_ITEM>
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{
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private:
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BOARD_CONNECTED_ITEM* m_parent;
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using CONNECTED_ITEMS = std::set<CN_ITEM*>;
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///> list of items physically connected (touching)
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CONNECTED_ITEMS m_connected;
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CN_ANCHORS m_anchors;
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///> visited flag for the BFS scan
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bool m_visited;
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///> can the net propagator modify the netcode?
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bool m_canChangeNet;
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///> valid flag, used to identify garbage items (we use lazy removal)
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bool m_valid;
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///> mutex protecting this item's connected_items set to allow parallel connection threads
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std::mutex m_listLock;
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protected:
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///> dirty flag, used to identify recently added item not yet scanned into the connectivity search
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bool m_dirty;
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///> layer range over which the item exists
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LAYER_RANGE m_layers;
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///> bounding box for the item
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BOX2I m_bbox;
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public:
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void Dump();
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CN_ITEM( BOARD_CONNECTED_ITEM* aParent, bool aCanChangeNet, int aAnchorCount = 2 )
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{
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m_parent = aParent;
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m_canChangeNet = aCanChangeNet;
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m_visited = false;
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m_valid = true;
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m_dirty = true;
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m_anchors.reserve( 2 );
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m_layers = LAYER_RANGE( 0, PCB_LAYER_ID_COUNT );
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}
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virtual ~CN_ITEM() {};
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void AddAnchor( const VECTOR2I& aPos )
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{
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m_anchors.emplace_back( std::make_unique<CN_ANCHOR>( aPos, this ) );
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}
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CN_ANCHORS& Anchors()
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{
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return m_anchors;
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}
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void SetValid( bool aValid )
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{
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m_valid = aValid;
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}
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bool Valid() const
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{
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return m_valid;
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}
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void SetDirty( bool aDirty )
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{
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m_dirty = aDirty;
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}
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bool Dirty() const
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{
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return m_dirty;
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}
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/**
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* Function SetLayers()
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*
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* Sets the layers spanned by the item to aLayers.
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*/
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void SetLayers( const LAYER_RANGE& aLayers )
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{
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m_layers = aLayers;
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}
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/**
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* Function SetLayer()
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*
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* Sets the layers spanned by the item to a single layer aLayer.
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*/
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void SetLayer( int aLayer )
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{
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m_layers = LAYER_RANGE( aLayer, aLayer );
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}
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/**
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* Function Layers()
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*
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* Returns the contiguous set of layers spanned by the item.
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*/
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const LAYER_RANGE& Layers() const
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{
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return m_layers;
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}
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/**
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* Function Layer()
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*
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* Returns the item's layer, for single-layered items only.
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*/
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virtual int Layer() const
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{
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return Layers().Start();
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}
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/**
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* Function LayersOverlap()
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*
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* Returns true if the set of layers spanned by aOther overlaps our
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* layers.
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*/
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bool LayersOverlap( const CN_ITEM* aOther ) const
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{
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return Layers().Overlaps( aOther->Layers() );
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}
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const BOX2I& BBox()
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{
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if( m_dirty && m_valid )
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{
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EDA_RECT box = m_parent->GetBoundingBox();
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m_bbox = BOX2I( box.GetPosition(), box.GetSize() );
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}
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return m_bbox;
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}
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BOARD_CONNECTED_ITEM* Parent() const
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{
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return m_parent;
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}
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const CONNECTED_ITEMS& ConnectedItems() const
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{
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return m_connected;
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}
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void ClearConnections()
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{
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m_connected.clear();
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}
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void SetVisited( bool aVisited )
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{
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m_visited = aVisited;
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}
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bool Visited() const
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{
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return m_visited;
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}
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bool CanChangeNet() const
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{
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return m_canChangeNet;
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}
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bool isConnected( CN_ITEM* aItem ) const
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{
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return ( m_connected.find( aItem ) != m_connected.end() );
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}
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void Connect( CN_ITEM* b )
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{
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std::lock_guard<std::mutex> lock( m_listLock );
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m_connected.insert( b );
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}
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void RemoveInvalidRefs();
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virtual int AnchorCount() const;
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virtual const VECTOR2I GetAnchor( int n ) const;
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int Net() const;
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};
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typedef std::shared_ptr<CN_ITEM> CN_ITEM_PTR;
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class CN_ZONE : public CN_ITEM
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{
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public:
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CN_ZONE( ZONE_CONTAINER* aParent, bool aCanChangeNet, int aSubpolyIndex ) :
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CN_ITEM( aParent, aCanChangeNet ),
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m_subpolyIndex( aSubpolyIndex )
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{
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SHAPE_LINE_CHAIN outline = aParent->GetFilledPolysList().COutline( aSubpolyIndex );
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outline.SetClosed( true );
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outline.Simplify();
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m_cachedPoly.reset( new POLY_GRID_PARTITION( outline, 16 ) );
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}
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int SubpolyIndex() const
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{
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return m_subpolyIndex;
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}
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bool ContainsAnchor( const CN_ANCHOR_PTR anchor ) const
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{
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return ContainsPoint( anchor->Pos() );
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}
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bool ContainsPoint( const VECTOR2I p ) const
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{
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auto zone = static_cast<ZONE_CONTAINER*> ( Parent() );
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return m_cachedPoly->ContainsPoint( p, zone->GetMinThickness() );
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}
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const BOX2I& BBox()
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{
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if( m_dirty )
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m_bbox = m_cachedPoly->BBox();
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return m_bbox;
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}
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virtual int AnchorCount() const override;
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virtual const VECTOR2I GetAnchor( int n ) const override;
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private:
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std::vector<VECTOR2I> m_testOutlinePoints;
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std::unique_ptr<POLY_GRID_PARTITION> m_cachedPoly;
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int m_subpolyIndex;
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};
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class CN_LIST
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{
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private:
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bool m_dirty;
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bool m_hasInvalid;
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CN_RTREE<CN_ITEM*> m_index;
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protected:
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std::vector<CN_ITEM*> m_items;
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void addItemtoTree( CN_ITEM* item )
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{
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m_index.Insert( item );
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}
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public:
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CN_LIST()
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{
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m_dirty = false;
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m_hasInvalid = false;
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}
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void Clear()
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{
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for( auto item : m_items )
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delete item;
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m_items.clear();
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m_index.RemoveAll();
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}
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using ITER = decltype(m_items)::iterator;
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ITER begin() { return m_items.begin(); };
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ITER end() { return m_items.end(); };
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CN_ITEM* operator[] ( int aIndex ) { return m_items[aIndex]; }
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template <class T>
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void FindNearby( CN_ITEM *aItem, T aFunc );
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void SetHasInvalid( bool aInvalid = true )
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{
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m_hasInvalid = aInvalid;
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}
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void SetDirty( bool aDirty = true )
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{
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m_dirty = aDirty;
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}
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bool IsDirty() const
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{
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return m_dirty;
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}
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void RemoveInvalidItems( std::vector<CN_ITEM*>& aGarbage );
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void ClearDirtyFlags()
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{
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for( auto item : m_items )
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item->SetDirty( false );
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SetDirty( false );
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}
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void MarkAllAsDirty()
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{
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for( auto item : m_items )
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item->SetDirty( true );
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SetDirty( true );
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}
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int Size() const
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{
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return m_items.size();
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}
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CN_ITEM* Add( D_PAD* pad )
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{
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auto item = new CN_ITEM( pad, false, 1 );
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item->AddAnchor( pad->ShapePos() );
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item->SetLayers( LAYER_RANGE( F_Cu, B_Cu ) );
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switch( pad->GetAttribute() )
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{
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case PAD_ATTRIB_SMD:
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case PAD_ATTRIB_HOLE_NOT_PLATED:
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case PAD_ATTRIB_CONN:
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{
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LSET lmsk = pad->GetLayerSet();
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for( int i = 0; i <= MAX_CU_LAYERS; i++ )
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{
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if( lmsk[i] )
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{
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item->SetLayer( i );
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break;
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}
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}
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break;
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}
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default:
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break;
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}
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addItemtoTree( item );
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m_items.push_back( item );
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SetDirty();
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return item;
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}
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CN_ITEM* Add( TRACK* track )
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{
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auto item = new CN_ITEM( track, true );
|
|
m_items.push_back( item );
|
|
item->AddAnchor( track->GetStart() );
|
|
item->AddAnchor( track->GetEnd() );
|
|
item->SetLayer( track->GetLayer() );
|
|
addItemtoTree( item );
|
|
SetDirty();
|
|
return item;
|
|
}
|
|
|
|
CN_ITEM* Add( VIA* via )
|
|
{
|
|
auto item = new CN_ITEM( via, true, 1 );
|
|
|
|
m_items.push_back( item );
|
|
item->AddAnchor( via->GetStart() );
|
|
item->SetLayers( LAYER_RANGE( F_Cu, B_Cu ) );
|
|
addItemtoTree( item );
|
|
SetDirty();
|
|
return item;
|
|
}
|
|
|
|
const std::vector<CN_ITEM*> Add( ZONE_CONTAINER* zone )
|
|
{
|
|
const auto& polys = zone->GetFilledPolysList();
|
|
|
|
std::vector<CN_ITEM*> rv;
|
|
|
|
for( int j = 0; j < polys.OutlineCount(); j++ )
|
|
{
|
|
CN_ZONE* zitem = new CN_ZONE( zone, false, j );
|
|
const auto& outline = zone->GetFilledPolysList().COutline( j );
|
|
|
|
for( int k = 0; k < outline.PointCount(); k++ )
|
|
zitem->AddAnchor( outline.CPoint( k ) );
|
|
|
|
m_items.push_back( zitem );
|
|
zitem->SetLayer( zone->GetLayer() );
|
|
addItemtoTree( zitem );
|
|
rv.push_back( zitem );
|
|
SetDirty();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
};
|
|
|
|
template <class T>
|
|
void CN_LIST::FindNearby( CN_ITEM *aItem, T aFunc )
|
|
{
|
|
m_index.Query( aItem->BBox(), aItem->Layers(), aFunc );
|
|
}
|
|
|
|
class CN_CONNECTIVITY_ALGO
|
|
{
|
|
public:
|
|
enum CLUSTER_SEARCH_MODE
|
|
{
|
|
CSM_PROPAGATE,
|
|
CSM_CONNECTIVITY_CHECK,
|
|
CSM_RATSNEST
|
|
};
|
|
|
|
using CLUSTERS = std::vector<CN_CLUSTER_PTR>;
|
|
|
|
private:
|
|
|
|
class ITEM_MAP_ENTRY
|
|
{
|
|
public:
|
|
ITEM_MAP_ENTRY( CN_ITEM* aItem = nullptr )
|
|
{
|
|
if( aItem )
|
|
m_items.push_back( aItem );
|
|
}
|
|
|
|
void MarkItemsAsInvalid()
|
|
{
|
|
for( auto item : m_items )
|
|
{
|
|
item->SetValid( false );
|
|
}
|
|
}
|
|
|
|
void Link( CN_ITEM* aItem )
|
|
{
|
|
m_items.push_back( aItem );
|
|
}
|
|
|
|
const std::list<CN_ITEM*> GetItems() const
|
|
{
|
|
return m_items;
|
|
}
|
|
|
|
std::list<CN_ITEM*> m_items;
|
|
};
|
|
|
|
std::mutex m_listLock;
|
|
CN_LIST m_itemList;
|
|
|
|
using ITEM_MAP_PAIR = std::pair <const BOARD_CONNECTED_ITEM*, ITEM_MAP_ENTRY>;
|
|
|
|
std::unordered_map<const BOARD_CONNECTED_ITEM*, ITEM_MAP_ENTRY> m_itemMap;
|
|
|
|
CLUSTERS m_connClusters;
|
|
CLUSTERS m_ratsnestClusters;
|
|
std::vector<bool> m_dirtyNets;
|
|
PROGRESS_REPORTER* m_progressReporter = nullptr;
|
|
|
|
void searchConnections();
|
|
|
|
void update();
|
|
void propagateConnections();
|
|
|
|
template <class Container, class BItem>
|
|
void add( Container& c, BItem brditem )
|
|
{
|
|
auto item = c.Add( brditem );
|
|
|
|
m_itemMap[ brditem ] = ITEM_MAP_ENTRY( item );
|
|
}
|
|
|
|
bool addConnectedItem( BOARD_CONNECTED_ITEM* aItem );
|
|
bool isDirty() const;
|
|
|
|
void markItemNetAsDirty( const BOARD_ITEM* aItem );
|
|
|
|
public:
|
|
|
|
CN_CONNECTIVITY_ALGO();
|
|
~CN_CONNECTIVITY_ALGO();
|
|
|
|
bool ItemExists( const BOARD_CONNECTED_ITEM* aItem )
|
|
{
|
|
return m_itemMap.find( aItem ) != m_itemMap.end();
|
|
}
|
|
|
|
ITEM_MAP_ENTRY& ItemEntry( const BOARD_CONNECTED_ITEM* aItem )
|
|
{
|
|
return m_itemMap[ aItem ];
|
|
}
|
|
|
|
bool IsNetDirty( int aNet ) const
|
|
{
|
|
if( aNet < 0 )
|
|
return false;
|
|
|
|
return m_dirtyNets[ aNet ];
|
|
}
|
|
|
|
void ClearDirtyFlags()
|
|
{
|
|
for( auto i = m_dirtyNets.begin(); i != m_dirtyNets.end(); ++i )
|
|
*i = false;
|
|
}
|
|
|
|
void GetDirtyClusters( CLUSTERS& aClusters )
|
|
{
|
|
for( auto cl : m_ratsnestClusters )
|
|
{
|
|
int net = cl->OriginNet();
|
|
|
|
if( net >= 0 && m_dirtyNets[net] )
|
|
aClusters.push_back( cl );
|
|
}
|
|
}
|
|
|
|
int NetCount() const
|
|
{
|
|
return m_dirtyNets.size();
|
|
}
|
|
|
|
void Build( BOARD* aBoard );
|
|
void Build( const std::vector<BOARD_ITEM*>& aItems );
|
|
|
|
void Clear();
|
|
|
|
bool Remove( BOARD_ITEM* aItem );
|
|
bool Add( BOARD_ITEM* aItem );
|
|
|
|
const CLUSTERS SearchClusters( CLUSTER_SEARCH_MODE aMode, const KICAD_T aTypes[], int aSingleNet );
|
|
const CLUSTERS SearchClusters( CLUSTER_SEARCH_MODE aMode );
|
|
|
|
void PropagateNets();
|
|
void FindIsolatedCopperIslands( ZONE_CONTAINER* aZone, std::vector<int>& aIslands );
|
|
|
|
/**
|
|
* Finds the copper islands that are not connected to a net. These are added to
|
|
* the m_islands vector.
|
|
* N.B. This must be called after aZones has been refreshed.
|
|
* @param: aZones The set of zones to search for islands
|
|
*/
|
|
void FindIsolatedCopperIslands( std::vector<CN_ZONE_ISOLATED_ISLAND_LIST>& aZones );
|
|
|
|
bool CheckConnectivity( std::vector<CN_DISJOINT_NET_ENTRY>& aReport );
|
|
|
|
const CLUSTERS& GetClusters();
|
|
int GetUnconnectedCount();
|
|
|
|
CN_LIST& ItemList() { return m_itemList; }
|
|
|
|
void ForEachAnchor( const std::function<void( CN_ANCHOR& )>& aFunc );
|
|
void ForEachItem( const std::function<void( CN_ITEM& )>& aFunc );
|
|
|
|
void MarkNetAsDirty( int aNet );
|
|
void SetProgressReporter( PROGRESS_REPORTER* aReporter );
|
|
|
|
};
|
|
|
|
bool operator<( const CN_ANCHOR_PTR& a, const CN_ANCHOR_PTR& b );
|
|
|
|
|
|
/**
|
|
* Struct CN_VISTOR
|
|
**/
|
|
class CN_VISITOR {
|
|
|
|
public:
|
|
|
|
CN_VISITOR( CN_ITEM* aItem ) :
|
|
m_item( aItem )
|
|
{}
|
|
|
|
bool operator()( CN_ITEM* aCandidate );
|
|
|
|
protected:
|
|
|
|
void checkZoneItemConnection( CN_ZONE* aZone, CN_ITEM* aItem );
|
|
|
|
void checkZoneZoneConnection( CN_ZONE* aZoneA, CN_ZONE* aZoneB );
|
|
|
|
///> the item we are looking for connections to
|
|
CN_ITEM* m_item;
|
|
};
|
|
|
|
#endif
|