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kicad/pcbnew/connectivity/connectivity_algo.cpp

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2016-2018 CERN
* Copyright (C) 2020-2023 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <algorithm>
#include <future>
#include <mutex>
#include <connectivity/connectivity_algo.h>
#include <progress_reporter.h>
#include <geometry/geometry_utils.h>
#include <board_commit.h>
#include <thread_pool.h>
#include <wx/log.h>
#ifdef PROFILE
#include <profile.h>
#endif
bool CN_CONNECTIVITY_ALGO::Remove( BOARD_ITEM* aItem )
{
markItemNetAsDirty( aItem );
switch( aItem->Type() )
{
case PCB_FOOTPRINT_T:
for( PAD* pad : static_cast<FOOTPRINT*>( aItem )->Pads() )
{
m_itemMap[pad].MarkItemsAsInvalid();
m_itemMap.erase( pad );
}
m_itemList.SetDirty( true );
break;
case PCB_PAD_T:
m_itemMap[aItem].MarkItemsAsInvalid();
m_itemMap.erase( aItem );
m_itemList.SetDirty( true );
break;
case PCB_TRACE_T:
case PCB_ARC_T:
m_itemMap[aItem].MarkItemsAsInvalid();
m_itemMap.erase( aItem );
m_itemList.SetDirty( true );
break;
case PCB_VIA_T:
m_itemMap[aItem].MarkItemsAsInvalid();
m_itemMap.erase( aItem );
m_itemList.SetDirty( true );
break;
case PCB_ZONE_T:
m_itemMap[aItem].MarkItemsAsInvalid();
m_itemMap.erase ( aItem );
m_itemList.SetDirty( true );
break;
default:
return false;
}
// Once we delete an item, it may connect between lists, so mark both as potentially invalid
m_itemList.SetHasInvalid( true );
return true;
}
void CN_CONNECTIVITY_ALGO::markItemNetAsDirty( const BOARD_ITEM* aItem )
{
if( aItem->IsConnected() )
{
const BOARD_CONNECTED_ITEM* citem = static_cast<const BOARD_CONNECTED_ITEM*>( aItem );
MarkNetAsDirty( citem->GetNetCode() );
}
else
{
if( aItem->Type() == PCB_FOOTPRINT_T )
{
const FOOTPRINT* footprint = static_cast<const FOOTPRINT*>( aItem );
for( PAD* pad : footprint->Pads() )
MarkNetAsDirty( pad->GetNetCode() );
}
}
}
bool CN_CONNECTIVITY_ALGO::Add( BOARD_ITEM* aItem )
{
if( !aItem->IsOnCopperLayer() )
return false;
auto alreadyAdded =
[this]( BOARD_ITEM* item )
{
auto it = m_itemMap.find( item );
if( it == m_itemMap.end() )
return false;
// Don't be fooled by an empty ITEM_MAP_ENTRY auto-created by operator[].
return !it->second.GetItems().empty();
};
switch( aItem->Type() )
{
case PCB_NETINFO_T:
MarkNetAsDirty( static_cast<NETINFO_ITEM*>( aItem )->GetNetCode() );
break;
case PCB_FOOTPRINT_T:
{
if( static_cast<FOOTPRINT*>( aItem )->GetAttributes() & FP_JUST_ADDED )
return false;
for( PAD* pad : static_cast<FOOTPRINT*>( aItem )->Pads() )
{
if( alreadyAdded( pad ) )
return false;
add( m_itemList, pad );
}
break;
}
case PCB_PAD_T:
{
if( FOOTPRINT* fp = dynamic_cast<FOOTPRINT*>( aItem->GetParentFootprint() ) )
{
if( fp->GetAttributes() & FP_JUST_ADDED )
return false;
}
if( alreadyAdded( aItem ) )
return false;
add( m_itemList, static_cast<PAD*>( aItem ) );
break;
}
case PCB_TRACE_T:
if( alreadyAdded( aItem ) )
return false;
add( m_itemList, static_cast<PCB_TRACK*>( aItem ) );
break;
case PCB_ARC_T:
if( alreadyAdded( aItem ) )
return false;
add( m_itemList, static_cast<PCB_ARC*>( aItem ) );
break;
case PCB_VIA_T:
if( alreadyAdded( aItem ) )
return false;
add( m_itemList, static_cast<PCB_VIA*>( aItem ) );
break;
case PCB_ZONE_T:
{
ZONE* zone = static_cast<ZONE*>( aItem );
if( alreadyAdded( aItem ) )
return false;
m_itemMap[zone] = ITEM_MAP_ENTRY();
for( PCB_LAYER_ID layer : zone->GetLayerSet().Seq() )
{
for( CN_ITEM* zitem : m_itemList.Add( zone, layer ) )
m_itemMap[zone].Link( zitem );
}
}
break;
default:
return false;
}
markItemNetAsDirty( aItem );
return true;
}
void CN_CONNECTIVITY_ALGO::RemoveInvalidRefs()
{
for( CN_ITEM* item : m_itemList )
item->RemoveInvalidRefs();
}
void CN_CONNECTIVITY_ALGO::searchConnections()
{
#ifdef PROFILE
PROF_TIMER garbage_collection( "garbage-collection" );
#endif
std::vector<CN_ITEM*> garbage;
garbage.reserve( 1024 );
m_parentConnectivityData->RemoveInvalidRefs();
if( m_isLocal )
m_globalConnectivityData->RemoveInvalidRefs();
m_itemList.RemoveInvalidItems( garbage );
for( CN_ITEM* item : garbage )
delete item;
#ifdef PROFILE
garbage_collection.Show();
PROF_TIMER search_basic( "search-basic" );
#endif
thread_pool& tp = GetKiCadThreadPool();
std::vector<CN_ITEM*> dirtyItems;
std::copy_if( m_itemList.begin(), m_itemList.end(), std::back_inserter( dirtyItems ),
[] ( CN_ITEM* aItem )
{
return aItem->Dirty();
} );
if( m_progressReporter )
{
m_progressReporter->SetMaxProgress( dirtyItems.size() );
if( !m_progressReporter->KeepRefreshing() )
return;
}
if( m_itemList.IsDirty() )
{
std::vector<std::future<size_t>> returns( dirtyItems.size() );
auto conn_lambda =
[&dirtyItems]( size_t aItem, CN_LIST* aItemList,
PROGRESS_REPORTER* aReporter) -> size_t
{
if( aReporter && aReporter->IsCancelled() )
return 0;
CN_VISITOR visitor( dirtyItems[aItem] );
aItemList->FindNearby( dirtyItems[aItem], visitor );
if( aReporter )
aReporter->AdvanceProgress();
return 1;
};
for( size_t ii = 0; ii < dirtyItems.size(); ++ii )
returns[ii] = tp.submit( conn_lambda, ii, &m_itemList, m_progressReporter );
for( const std::future<size_t>& ret : returns )
{
// Here we balance returns with a 250ms timeout to allow UI updating
std::future_status status = ret.wait_for( std::chrono::milliseconds( 250 ) );
while( status != std::future_status::ready )
{
if( m_progressReporter )
m_progressReporter->KeepRefreshing();
status = ret.wait_for( std::chrono::milliseconds( 250 ) );
}
}
if( m_progressReporter )
m_progressReporter->KeepRefreshing();
}
#ifdef PROFILE
search_basic.Show();
#endif
m_itemList.ClearDirtyFlags();
}
const CN_CONNECTIVITY_ALGO::CLUSTERS CN_CONNECTIVITY_ALGO::SearchClusters( CLUSTER_SEARCH_MODE aMode )
{
if( aMode == CSM_PROPAGATE )
{
return SearchClusters( aMode,
{ PCB_TRACE_T, PCB_ARC_T, PCB_PAD_T, PCB_VIA_T, PCB_FOOTPRINT_T },
-1 );
}
else
{
return SearchClusters( aMode,
{ PCB_TRACE_T, PCB_ARC_T, PCB_PAD_T, PCB_VIA_T, PCB_ZONE_T, PCB_FOOTPRINT_T },
-1 );
}
}
const CN_CONNECTIVITY_ALGO::CLUSTERS
CN_CONNECTIVITY_ALGO::SearchClusters( CLUSTER_SEARCH_MODE aMode,
const std::initializer_list<KICAD_T>& aTypes,
int aSingleNet, CN_ITEM* rootItem )
{
bool withinAnyNet = ( aMode != CSM_PROPAGATE );
std::deque<CN_ITEM*> Q;
std::set<CN_ITEM*> item_set;
CLUSTERS clusters;
if( m_itemList.IsDirty() )
searchConnections();
auto addToSearchList =
[&item_set, withinAnyNet, aSingleNet, &aTypes, rootItem ]( CN_ITEM *aItem )
{
if( withinAnyNet && aItem->Net() <= 0 )
return;
if( !aItem->Valid() )
return;
if( aSingleNet >=0 && aItem->Net() != aSingleNet )
return;
bool found = false;
for( KICAD_T type : aTypes )
{
if( aItem->Parent()->Type() == type )
{
found = true;
break;
}
}
if( !found && aItem != rootItem )
return;
aItem->SetVisited( false );
item_set.insert( aItem );
};
std::for_each( m_itemList.begin(), m_itemList.end(), addToSearchList );
if( m_progressReporter && m_progressReporter->IsCancelled() )
return CLUSTERS();
while( !item_set.empty() )
{
std::shared_ptr<CN_CLUSTER> cluster = std::make_shared<CN_CLUSTER>();
CN_ITEM* root;
auto it = item_set.begin();
while( it != item_set.end() && (*it)->Visited() )
it = item_set.erase( item_set.begin() );
if( it == item_set.end() )
break;
root = *it;
root->SetVisited( true );
Q.clear();
Q.push_back( root );
while( Q.size() )
{
CN_ITEM* current = Q.front();
Q.pop_front();
cluster->Add( current );
for( CN_ITEM* n : current->ConnectedItems() )
{
if( withinAnyNet && n->Net() != root->Net() )
continue;
if( !n->Visited() && n->Valid() )
{
n->SetVisited( true );
Q.push_back( n );
}
}
}
clusters.push_back( cluster );
}
if( m_progressReporter && m_progressReporter->IsCancelled() )
return CLUSTERS();
std::sort( clusters.begin(), clusters.end(),
[]( const std::shared_ptr<CN_CLUSTER>& a, const std::shared_ptr<CN_CLUSTER>& b )
{
return a->OriginNet() < b->OriginNet();
} );
return clusters;
}
void CN_CONNECTIVITY_ALGO::Build( BOARD* aBoard, PROGRESS_REPORTER* aReporter )
{
// Generate CN_ZONE_LAYERs for each island on each layer of each zone
//
std::vector<CN_ZONE_LAYER*> zitems;
for( ZONE* zone : aBoard->Zones() )
{
if( zone->IsOnCopperLayer() )
{
m_itemMap[zone] = ITEM_MAP_ENTRY();
markItemNetAsDirty( zone );
for( PCB_LAYER_ID layer : zone->GetLayerSet().Seq() )
{
if( IsCopperLayer( layer ) )
{
for( int j = 0; j < zone->GetFilledPolysList( layer )->OutlineCount(); j++ )
zitems.push_back( new CN_ZONE_LAYER( zone, layer, j ) );
}
}
}
}
// Setup progress metrics
//
int progressDelta = 50;
double size = 0.0;
size += zitems.size(); // Once for building RTrees
size += zitems.size(); // Once for adding to connectivity
size += aBoard->Tracks().size();
for( FOOTPRINT* footprint : aBoard->Footprints() )
size += footprint->Pads().size();
size *= 1.5; // Our caller gets the other third of the progress bar
progressDelta = std::max( progressDelta, (int) size / 4 );
auto report =
[&]( int progress )
{
if( aReporter && ( progress % progressDelta ) == 0 )
{
aReporter->SetCurrentProgress( progress / size );
aReporter->KeepRefreshing( false );
}
};
// Generate RTrees for CN_ZONE_LAYER items (in parallel)
//
thread_pool& tp = GetKiCadThreadPool();
std::vector<std::future<size_t>> returns( zitems.size() );
auto cache_zones =
[aReporter]( CN_ZONE_LAYER* aZoneLayer ) -> size_t
{
if( aReporter && aReporter->IsCancelled() )
return 0;
aZoneLayer->BuildRTree();
if( aReporter )
aReporter->AdvanceProgress();
return 1;
};
for( size_t ii = 0; ii < zitems.size(); ++ii )
returns[ii] = tp.submit( cache_zones, zitems[ii] );
for( const std::future<size_t>& ret : returns )
{
std::future_status status = ret.wait_for( std::chrono::milliseconds( 250 ) );
while( status != std::future_status::ready )
{
if( aReporter )
aReporter->KeepRefreshing();
status = ret.wait_for( std::chrono::milliseconds( 250 ) );
}
}
// Add CN_ZONE_LAYERS, tracks, and pads to connectivity
//
int ii = zitems.size();
for( CN_ZONE_LAYER* zitem : zitems )
{
m_itemList.Add( zitem );
m_itemMap[ zitem->Parent() ].Link( zitem );
report( ++ii );
}
for( PCB_TRACK* tv : aBoard->Tracks() )
{
Add( tv );
report( ++ii );
}
for( FOOTPRINT* footprint : aBoard->Footprints() )
{
for( PAD* pad : footprint->Pads() )
{
Add( pad );
report( ++ii );
}
}
if( aReporter )
{
aReporter->SetCurrentProgress( (double) ii / (double) size );
aReporter->KeepRefreshing( false );
}
}
void CN_CONNECTIVITY_ALGO::LocalBuild( std::shared_ptr<CONNECTIVITY_DATA> aGlobalConnectivity,
const std::vector<BOARD_ITEM*>& aLocalItems )
{
m_isLocal = true;
m_globalConnectivityData = aGlobalConnectivity;
for( BOARD_ITEM* item : aLocalItems )
{
switch( item->Type() )
{
case PCB_TRACE_T:
case PCB_ARC_T:
case PCB_VIA_T:
case PCB_PAD_T:
case PCB_FOOTPRINT_T:
Add( item );
break;
default:
break;
}
}
}
void CN_CONNECTIVITY_ALGO::propagateConnections( BOARD_COMMIT* aCommit )
{
for( const std::shared_ptr<CN_CLUSTER>& cluster : m_connClusters )
{
if( cluster->IsConflicting() )
{
// Conflicting pads in cluster: we don't know the user's intent so best to do
// nothing.
wxLogTrace( wxT( "CN" ), wxT( "Conflicting pads in cluster %p; skipping propagation" ),
cluster.get() );
}
else if( cluster->HasValidNet() )
{
// Propagate from the origin (will be a pad if there are any, or another item if
// there are no pads).
int n_changed = 0;
for( CN_ITEM* item : *cluster )
{
if( item->Valid() && item->CanChangeNet()
&& item->Parent()->GetNetCode() != cluster->OriginNet() )
{
MarkNetAsDirty( item->Parent()->GetNetCode() );
MarkNetAsDirty( cluster->OriginNet() );
if( aCommit )
aCommit->Modify( item->Parent() );
item->Parent()->SetNetCode( cluster->OriginNet() );
n_changed++;
}
}
if( n_changed )
{
wxLogTrace( wxT( "CN" ), wxT( "Cluster %p: net: %d %s" ),
cluster.get(),
cluster->OriginNet(),
(const char*) cluster->OriginNetName().c_str() );
}
else
{
wxLogTrace( wxT( "CN" ), wxT( "Cluster %p: no changeable items to propagate to" ),
cluster.get() );
}
}
else
{
wxLogTrace( wxT( "CN" ), wxT( "Cluster %p: connected to unused net" ),
cluster.get() );
}
}
}
void CN_CONNECTIVITY_ALGO::PropagateNets( BOARD_COMMIT* aCommit )
{
m_connClusters = SearchClusters( CSM_PROPAGATE );
propagateConnections( aCommit );
}
void CN_CONNECTIVITY_ALGO::FillIsolatedIslandsMap(
std::map<ZONE*, std::map<PCB_LAYER_ID, ISOLATED_ISLANDS>>& aMap,
bool aConnectivityAlreadyRebuilt )
{
int progressDelta = 50;
int ii = 0;
progressDelta = std::max( progressDelta, (int) aMap.size() / 4 );
if( !aConnectivityAlreadyRebuilt )
{
for( const auto& [ zone, islands ] : aMap )
{
Remove( zone );
Add( zone );
ii++;
if( m_progressReporter && ( ii % progressDelta ) == 0 )
{
m_progressReporter->SetCurrentProgress( (double) ii / (double) aMap.size() );
m_progressReporter->KeepRefreshing( false );
}
if( m_progressReporter && m_progressReporter->IsCancelled() )
return;
}
}
m_connClusters = SearchClusters( CSM_CONNECTIVITY_CHECK );
for( auto& [ zone, zoneIslands ] : aMap )
{
for( auto& [ layer, layerIslands ] : zoneIslands )
{
if( zone->GetFilledPolysList( layer )->IsEmpty() )
continue;
for( const std::shared_ptr<CN_CLUSTER>& cluster : m_connClusters )
{
for( CN_ITEM* item : *cluster )
{
if( item->Parent() == zone && item->Layer() == layer )
{
CN_ZONE_LAYER* z = static_cast<CN_ZONE_LAYER*>( item );
if( cluster->IsOrphaned() )
layerIslands.m_IsolatedOutlines.push_back( z->SubpolyIndex() );
else if( z->HasSingleConnection() )
layerIslands.m_SingleConnectionOutlines.push_back( z->SubpolyIndex() );
}
}
}
}
}
}
const CN_CONNECTIVITY_ALGO::CLUSTERS& CN_CONNECTIVITY_ALGO::GetClusters()
{
m_ratsnestClusters = SearchClusters( CSM_RATSNEST );
return m_ratsnestClusters;
}
void CN_CONNECTIVITY_ALGO::MarkNetAsDirty( int aNet )
{
if( aNet < 0 )
return;
if( (int) m_dirtyNets.size() <= aNet )
{
int lastNet = m_dirtyNets.size() - 1;
if( lastNet < 0 )
lastNet = 0;
m_dirtyNets.resize( aNet + 1 );
for( int i = lastNet; i < aNet + 1; i++ )
m_dirtyNets[i] = true;
}
m_dirtyNets[aNet] = true;
}
void CN_VISITOR::checkZoneItemConnection( CN_ZONE_LAYER* aZoneLayer, CN_ITEM* aItem )
{
PCB_LAYER_ID layer = aZoneLayer->GetLayer();
BOARD_CONNECTED_ITEM* item = aItem->Parent();
if( !item->IsOnLayer( layer ) )
return;
auto connect =
[&]()
{
aZoneLayer->Connect( aItem );
aItem->Connect( aZoneLayer );
};
// Try quick checks first...
if( item->Type() == PCB_PAD_T )
{
PAD* pad = static_cast<PAD*>( item );
if( pad->ConditionallyFlashed( layer )
&& pad->GetZoneLayerOverride( layer ) == ZLO_FORCE_NO_ZONE_CONNECTION )
{
return;
}
}
else if( item->Type() == PCB_VIA_T )
{
PCB_VIA* via = static_cast<PCB_VIA*>( item );
if( via->ConditionallyFlashed( layer )
&& via->GetZoneLayerOverride( layer ) == ZLO_FORCE_NO_ZONE_CONNECTION )
{
return;
}
}
for( int i = 0; i < aItem->AnchorCount(); ++i )
{
if( aZoneLayer->ContainsPoint( aItem->GetAnchor( i ) ) )
{
connect();
return;
}
}
if( item->Type() == PCB_VIA_T || item->Type() == PCB_PAD_T )
{
// As long as the pad/via crosses the zone layer, check for the full effective shape
// We check for the overlapping layers above
if( aZoneLayer->Collide( item->GetEffectiveShape( layer, FLASHING::ALWAYS_FLASHED ).get() ) )
connect();
return;
}
if( aZoneLayer->Collide( item->GetEffectiveShape( layer ).get() ) )
connect();
}
void CN_VISITOR::checkZoneZoneConnection( CN_ZONE_LAYER* aZoneLayerA, CN_ZONE_LAYER* aZoneLayerB )
{
const ZONE* zoneA = static_cast<const ZONE*>( aZoneLayerA->Parent() );
const ZONE* zoneB = static_cast<const ZONE*>( aZoneLayerB->Parent() );
const BOX2I& boxA = aZoneLayerA->BBox();
const BOX2I& boxB = aZoneLayerB->BBox();
PCB_LAYER_ID layer = aZoneLayerA->GetLayer();
if( aZoneLayerB->GetLayer() != layer )
return;
if( !boxA.Intersects( boxB ) )
return;
const SHAPE_LINE_CHAIN& outline =
zoneA->GetFilledPolysList( layer )->COutline( aZoneLayerA->SubpolyIndex() );
for( int i = 0; i < outline.PointCount(); i++ )
{
if( !boxB.Contains( outline.CPoint( i ) ) )
continue;
if( aZoneLayerB->ContainsPoint( outline.CPoint( i ) ) )
{
aZoneLayerA->Connect( aZoneLayerB );
aZoneLayerB->Connect( aZoneLayerA );
return;
}
}
const SHAPE_LINE_CHAIN& outline2 =
zoneB->GetFilledPolysList( layer )->COutline( aZoneLayerB->SubpolyIndex() );
for( int i = 0; i < outline2.PointCount(); i++ )
{
if( !boxA.Contains( outline2.CPoint( i ) ) )
continue;
if( aZoneLayerA->ContainsPoint( outline2.CPoint( i ) ) )
{
aZoneLayerA->Connect( aZoneLayerB );
aZoneLayerB->Connect( aZoneLayerA );
return;
}
}
}
bool CN_VISITOR::operator()( CN_ITEM* aCandidate )
{
const BOARD_CONNECTED_ITEM* parentA = aCandidate->Parent();
const BOARD_CONNECTED_ITEM* parentB = m_item->Parent();
if( !aCandidate->Valid() || !m_item->Valid() )
return true;
if( parentA == parentB )
return true;
// Don't connect items in different nets that can't be changed
if( !aCandidate->CanChangeNet() && !m_item->CanChangeNet() && aCandidate->Net() != m_item->Net() )
return true;
// If both m_item and aCandidate are marked dirty, they will both be searched
// Since we are reciprocal in our connection, we arbitrarily pick one of the connections
// to conduct the expensive search
if( aCandidate->Dirty() && aCandidate < m_item )
return true;
// We should handle zone-zone connection separately
if ( parentA->Type() == PCB_ZONE_T && parentB->Type() == PCB_ZONE_T )
{
checkZoneZoneConnection( static_cast<CN_ZONE_LAYER*>( m_item ),
static_cast<CN_ZONE_LAYER*>( aCandidate ) );
return true;
}
if( parentA->Type() == PCB_ZONE_T )
{
checkZoneItemConnection( static_cast<CN_ZONE_LAYER*>( aCandidate ), m_item );
return true;
}
if( parentB->Type() == PCB_ZONE_T )
{
checkZoneItemConnection( static_cast<CN_ZONE_LAYER*>( m_item ), aCandidate );
return true;
}
LSET commonLayers = parentA->GetLayerSet() & parentB->GetLayerSet();
for( PCB_LAYER_ID layer : commonLayers.Seq() )
{
FLASHING flashingA = FLASHING::NEVER_FLASHED;
FLASHING flashingB = FLASHING::NEVER_FLASHED;
if( const PAD* pad = dyn_cast<const PAD*>( parentA ) )
{
if( !pad->ConditionallyFlashed( layer ) )
flashingA = FLASHING::ALWAYS_FLASHED;
}
else if( const PCB_VIA* via = dyn_cast<const PCB_VIA*>( parentA ) )
{
if( !via->ConditionallyFlashed( layer ) )
flashingA = FLASHING::ALWAYS_FLASHED;
}
if( const PAD* pad = dyn_cast<const PAD*>( parentB ) )
{
if( !pad->ConditionallyFlashed( layer ) )
flashingB = FLASHING::ALWAYS_FLASHED;
}
else if( const PCB_VIA* via = dyn_cast<const PCB_VIA*>( parentB ) )
{
if( !via->ConditionallyFlashed( layer ) )
flashingB = FLASHING::ALWAYS_FLASHED;
}
if( parentA->GetEffectiveShape( layer, flashingA )->Collide(
parentB->GetEffectiveShape( layer, flashingB ).get() ) )
{
m_item->Connect( aCandidate );
aCandidate->Connect( m_item );
return true;
}
}
return true;
};
void CN_CONNECTIVITY_ALGO::Clear()
{
m_ratsnestClusters.clear();
m_connClusters.clear();
m_itemMap.clear();
m_itemList.Clear();
}
void CN_CONNECTIVITY_ALGO::SetProgressReporter( PROGRESS_REPORTER* aReporter )
{
m_progressReporter = aReporter;
}
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