kicad/pcbnew/router/pns_item.cpp

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* Copyright (C) 2016-2019 KiCad Developers, see AUTHORS.txt for contributors.
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
* 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.
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*
* 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.
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*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "pns_node.h"
#include "pns_item.h"
#include "pns_line.h"
typedef VECTOR2I::extended_type ecoord;
namespace PNS {
bool ITEM::collideSimple( const ITEM* aOther, int aClearance, bool aNeedMTV, VECTOR2I* aMTV,
const NODE* aParentNode, bool aDifferentNetsOnly ) const
{
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// same nets? no collision!
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
if( !m_layers.Overlaps( aOther->m_layers ) )
return false;
if( aNeedMTV )
return Shape()->Collide( aOther->Shape(), aClearance, *aMTV );
else
return Shape()->Collide( aOther->Shape(), aClearance );
}
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bool ITEM::Collide( const ITEM* aOther, int aClearance, bool aNeedMTV, VECTOR2I* aMTV,
const NODE* aParentNode, bool aDifferentNetsOnly ) const
{
if( collideSimple( aOther, aClearance, aNeedMTV, aMTV, aParentNode, aDifferentNetsOnly ) )
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return true;
// special case for "head" line with a via attached at the end.
if( aOther->m_kind == LINE_T )
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{
const LINE* line = static_cast<const LINE*>( aOther );
int clearance = aClearance - line->Width() / 2;
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if( line->EndsWithVia() )
{
return collideSimple( &line->Via(), clearance, aNeedMTV, aMTV, aParentNode,
aDifferentNetsOnly );
}
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}
return false;
}
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std::string ITEM::KindStr() const
{
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switch( m_kind )
{
case LINE_T: return "line";
case SEGMENT_T: return "segment";
case VIA_T: return "via";
case JOINT_T: return "joint";
case SOLID_T: return "solid";
default: return "unknown";
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}
}
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ITEM::~ITEM()
{
}
}