304 lines
8.4 KiB
C++
304 lines
8.4 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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* Copyright (C) 2019-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
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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 <board.h>
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#include <pad.h>
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#include <footprint.h>
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#include <zone.h>
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#include <geometry/shape_poly_set.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/connectivity_rtree.h>
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#include <connectivity/connectivity_data.h>
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#include <connectivity/connectivity_items.h>
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class CN_RATSNEST_NODES;
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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;
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class PROGRESS_REPORTER;
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/**
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* CN_EDGE represents a point-to-point connection, whether realized or unrealized (ie: tracks etc.
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* or a ratsnest line).
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*/
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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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m_weight( 0 ),
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m_visible( true )
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{}
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CN_EDGE( const std::shared_ptr<CN_ANCHOR>& aSource, const std::shared_ptr<CN_ANCHOR>& aTarget,
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unsigned 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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m_visible( true )
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{}
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/**
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* This sort operator provides a sort-by-weight for the ratsnest operation.
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*
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* @param aOther the other edge to compare.
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* @return true if our weight is smaller than the other weight.
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*/
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bool operator<( CN_EDGE aOther ) const
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{
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return m_weight < aOther.m_weight;
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}
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std::shared_ptr<CN_ANCHOR> GetSourceNode() const { return m_source; }
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std::shared_ptr<CN_ANCHOR> GetTargetNode() const { return m_target; }
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void SetSourceNode( const std::shared_ptr<CN_ANCHOR>& aNode ) { m_source = aNode; }
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void SetTargetNode( const std::shared_ptr<CN_ANCHOR>& aNode ) { m_target = aNode; }
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void SetWeight( unsigned weight ) { m_weight = weight; }
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unsigned GetWeight() const { return m_weight; }
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void SetVisible( bool aVisible ) { m_visible = aVisible; }
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bool IsVisible() const { return m_visible; }
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const VECTOR2I GetSourcePos() const { return m_source->Pos(); }
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const VECTOR2I GetTargetPos() const { return m_target->Pos(); }
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private:
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std::shared_ptr<CN_ANCHOR> m_source;
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std::shared_ptr<CN_ANCHOR> m_target;
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unsigned m_weight;
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bool m_visible;
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};
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class CN_CONNECTIVITY_ALGO
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{
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public:
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enum CLUSTER_SEARCH_MODE
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{
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CSM_PROPAGATE,
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CSM_CONNECTIVITY_CHECK,
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CSM_RATSNEST
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};
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using CLUSTERS = std::vector<std::shared_ptr<CN_CLUSTER>>;
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class ITEM_MAP_ENTRY
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{
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public:
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ITEM_MAP_ENTRY( CN_ITEM* aItem = nullptr )
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{
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if( aItem )
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m_items.push_back( aItem );
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}
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void MarkItemsAsInvalid()
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{
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for( CN_ITEM* item : m_items )
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item->SetValid( false );
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}
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void Link( CN_ITEM* aItem )
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{
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m_items.push_back( aItem );
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}
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const std::list<CN_ITEM*> GetItems() const
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{
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return m_items;
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}
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std::list<CN_ITEM*> m_items;
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};
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CN_CONNECTIVITY_ALGO() {}
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~CN_CONNECTIVITY_ALGO() { Clear(); }
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bool ItemExists( const BOARD_CONNECTED_ITEM* aItem ) const
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{
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return m_itemMap.find( aItem ) != m_itemMap.end();
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}
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ITEM_MAP_ENTRY& ItemEntry( const BOARD_CONNECTED_ITEM* aItem )
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{
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return m_itemMap[ aItem ];
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}
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bool IsNetDirty( int aNet ) const
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{
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if( aNet < 0 )
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return false;
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return m_dirtyNets[ aNet ];
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}
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void ClearDirtyFlags()
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{
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for( size_t ii = 0; ii < m_dirtyNets.size(); ii++ )
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m_dirtyNets[ii] = false;
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}
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void GetDirtyClusters( CLUSTERS& aClusters ) const
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{
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for( const std::shared_ptr<CN_CLUSTER>& cl : m_ratsnestClusters )
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{
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int net = cl->OriginNet();
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if( net >= 0 && m_dirtyNets[net] )
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aClusters.push_back( cl );
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}
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}
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int NetCount() const
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{
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return m_dirtyNets.size();
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}
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void Build( BOARD* aZoneLayer, PROGRESS_REPORTER* aReporter = nullptr );
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void LocalBuild( const std::vector<BOARD_ITEM*>& aItems );
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void Clear();
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bool Remove( BOARD_ITEM* aItem );
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bool Add( BOARD_ITEM* aItem );
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const CLUSTERS SearchClusters( CLUSTER_SEARCH_MODE aMode,
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const std::initializer_list<KICAD_T>& aTypes,
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int aSingleNet, CN_ITEM* rootItem = nullptr );
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const CLUSTERS SearchClusters( CLUSTER_SEARCH_MODE aMode );
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/**
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* Propagate nets from pads to other items in clusters.
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* @param aCommit is used to store undo information for items modified by the call.
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* @param aMode controls how clusters with conflicting nets are resolved.
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*/
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void PropagateNets( BOARD_COMMIT* aCommit = nullptr,
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PROPAGATE_MODE aMode = PROPAGATE_MODE::SKIP_CONFLICTS );
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void FindIsolatedCopperIslands( ZONE* aZone, PCB_LAYER_ID aLayer, std::vector<int>& aIslands );
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/**
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* Find the copper islands that are not connected to a net.
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*
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* These are added to the m_islands vector.
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* N.B. This must be called after aZones has been refreshed.
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*
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* @param: aZones is the set of zones to search for islands.
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*/
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void FindIsolatedCopperIslands( std::vector<CN_ZONE_ISOLATED_ISLAND_LIST>& aZones,
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bool aConnectivityAlreadyRebuilt );
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const CLUSTERS& GetClusters();
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const CN_LIST& ItemList() const
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{
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return m_itemList;
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}
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template <typename Func>
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void ForEachAnchor( Func&& aFunc ) const
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{
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for( CN_ITEM* item : m_itemList )
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{
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for( std::shared_ptr<CN_ANCHOR>& anchor : item->Anchors() )
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aFunc( *anchor );
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}
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}
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template <typename Func>
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void ForEachItem( Func&& aFunc ) const
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{
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for( CN_ITEM* item : m_itemList )
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aFunc( *item );
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}
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void MarkNetAsDirty( int aNet );
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void SetProgressReporter( PROGRESS_REPORTER* aReporter );
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private:
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void searchConnections();
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void propagateConnections( BOARD_COMMIT* aCommit = nullptr,
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PROPAGATE_MODE aMode = PROPAGATE_MODE::SKIP_CONFLICTS );
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template <class Container, class BItem>
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void add( Container& c, BItem brditem )
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{
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CN_ITEM* item = c.Add( brditem );
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m_itemMap[ brditem ] = ITEM_MAP_ENTRY( item );
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}
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void markItemNetAsDirty( const BOARD_ITEM* aItem );
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private:
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CN_LIST m_itemList;
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std::unordered_map<const BOARD_ITEM*, ITEM_MAP_ENTRY> m_itemMap;
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std::vector<std::shared_ptr<CN_CLUSTER>> m_connClusters;
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std::vector<std::shared_ptr<CN_CLUSTER>> m_ratsnestClusters;
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std::vector<bool> m_dirtyNets;
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PROGRESS_REPORTER* m_progressReporter = nullptr;
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};
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class CN_VISITOR
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{
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public:
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CN_VISITOR( CN_ITEM* aItem ) :
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m_item( aItem )
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{}
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bool operator()( CN_ITEM* aCandidate );
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protected:
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void checkZoneItemConnection( CN_ZONE_LAYER* aZoneLayer, CN_ITEM* aItem );
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void checkZoneZoneConnection( CN_ZONE_LAYER* aZoneLayerA, CN_ZONE_LAYER* aZoneLayerB );
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protected:
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CN_ITEM* m_item; ///< The item we are looking for connections to.
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};
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#endif
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