118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
/*
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* KiRouter - a push-and-(sometimes-)shove PCB router
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*
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* Copyright (C) 2013-2014 CERN
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* Copyright (C) 2016-2020 KiCad Developers, see AUTHORS.txt for contributors.
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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 modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "pns_node.h"
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#include "pns_item.h"
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#include "pns_line.h"
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#include "pns_router.h"
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typedef VECTOR2I::extended_type ecoord;
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namespace PNS {
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bool ITEM::collideSimple( const ITEM* aOther, int aClearance, bool aNeedMTV, VECTOR2I* aMTV,
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const NODE* aParentNode, bool aDifferentNetsOnly ) const
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{
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const SHAPE* shapeA = Shape();
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const SHAPE* shapeB = aOther->Shape();
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// same nets? no collision!
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if( aDifferentNetsOnly && m_net == aOther->m_net && m_net >= 0 && aOther->m_net >= 0 )
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return false;
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// check if we are not on completely different layers first
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if( !m_layers.Overlaps( aOther->m_layers ) )
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return false;
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if( !aOther->Layers().IsMultilayer()
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&& !ROUTER::GetInstance()->GetInterface()->IsOnLayer( this, aOther->Layer() ) )
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{
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if( !AlternateShape() )
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wxLogError
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( "Missing expected Alternate shape for %s at %d %d", m_parent->GetClass(),
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Anchor( 0 ).x, Anchor( 0 ).y );
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else
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shapeA = AlternateShape();
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}
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if( !Layers().IsMultilayer()
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&& !ROUTER::GetInstance()->GetInterface()->IsOnLayer( aOther, Layer() ) )
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{
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if( !aOther->AlternateShape() )
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wxLogError
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( "Missing expected Alternate shape for %s at %d %d", aOther->Parent()->GetClass(),
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aOther->Anchor( 0 ).x, aOther->Anchor( 0 ).y );
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else
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shapeB = aOther->AlternateShape();
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}
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if( aNeedMTV )
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return shapeA->Collide( shapeB, aClearance, aMTV );
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else
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return shapeA->Collide( shapeB, aClearance );
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}
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bool ITEM::Collide( const ITEM* aOther, int aClearance, bool aNeedMTV, VECTOR2I* aMTV,
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const NODE* aParentNode, bool aDifferentNetsOnly ) const
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{
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if( collideSimple( aOther, aClearance, aNeedMTV, aMTV, aParentNode, aDifferentNetsOnly ) )
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return true;
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// special case for "head" line with a via attached at the end.
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if( aOther->m_kind == LINE_T )
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{
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const LINE* line = static_cast<const LINE*>( aOther );
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int clearance = aClearance - line->Width() / 2;
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if( line->EndsWithVia() )
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{
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return collideSimple( &line->Via(), clearance, aNeedMTV, aMTV, aParentNode,
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aDifferentNetsOnly );
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}
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}
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return false;
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}
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std::string ITEM::KindStr() const
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{
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switch( m_kind )
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{
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case ARC_T: return "arc";
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case LINE_T: return "line";
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case SEGMENT_T: return "segment";
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case VIA_T: return "via";
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case JOINT_T: return "joint";
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case SOLID_T: return "solid";
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case DIFF_PAIR_T: return "diff-pair";
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default: return "unknown";
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}
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}
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ITEM::~ITEM()
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{
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}
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}
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