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Create proxy items for PNS when needing to query clearances. 

Fixes https://gitlab.com/kicad/code/kicad/issues/5929
This commit is contained in:
Jeff Young 2020-10-12 20:55:36 +01:00
parent 1024584cac
commit 44dbe3577b
1 changed files with 30 additions and 2 deletions
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32
pcbnew/router/pns_kicad_iface.cpp
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@ -226,11 +226,39 @@ bool PNS_PCBNEW_RULE_RESOLVER::QueryConstraint( PNS::CONSTRAINT_TYPE aType,
return false; // should not happen
}
// A track being routed may not have a BOARD_ITEM associated yet.
static TRACK dummyTrack( m_board );
static ARC dummyArc( m_board );
static VIA dummyVia( m_board );
const BOARD_ITEM* parentA = aItemA ? aItemA->Parent() : nullptr;
const BOARD_ITEM* parentB = aItemB ? aItemB->Parent() : nullptr;
DRC_CONSTRAINT hostConstraint;
DRC_CONSTRAINT hostConstraint = drcEngine->EvalRulesForItems( hostRuleType, parentA, parentB,
(PCB_LAYER_ID) aLayer );
if( !parentA )
{
switch( aItemA->Kind() )
{
case PNS::ITEM::ARC_T:
dummyArc.SetLayer( (PCB_LAYER_ID) aLayer );
parentA = &dummyArc;
break;
case PNS::ITEM::VIA_T:
dummyVia.SetLayer( (PCB_LAYER_ID) aLayer );
parentA = &dummyVia;
break;
default:
dummyTrack.SetLayer( (PCB_LAYER_ID) aLayer );
parentA = &dummyTrack;
break;
}
}
if( parentA )
{
hostConstraint = drcEngine->EvalRulesForItems( hostRuleType, parentA, parentB,
(PCB_LAYER_ID) aLayer );
}
if( hostConstraint.IsNull() )
return false;