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router: prevent disconencting via fanout traces when shoving

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Note to self: move-endpoints fallback mode must check for vias connected at the obstacle LINE's ends - fallback is only applicable for unconnected ends.
This commit is contained in:
Tomasz Wlostowski 2025-02-24 23:21:32 +01:00
parent bfbdfcf872
commit 29a4ec0fde
1 changed files with 15 additions and 1 deletions

16
pcbnew/router/pns_shove.cpp
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@ -510,6 +510,20 @@ bool SHOVE::ShoveObstacleLine( const LINE& aCurLine, const LINE& aObstacleLine,
const int cHullFailureExpansionFactor = 1000;
int extraHullExpansion = 0;
bool voeA = true, voeB = true;
const JOINT* ja = nullptr;
const JOINT* jb = nullptr;
if( aObstacleLine.PointCount() >= 2 )
{
ja = m_currentNode->FindJoint( aObstacleLine.CPoint(0), &aObstacleLine );
jb = m_currentNode->FindJoint( aObstacleLine.CPoint(-1), &aObstacleLine );
}
if( ja )
voeA = !ja->Via();
if( jb )
voeB = !jb->Via();
aResultLine.ClearLinks();
bool viaOnEnd = aCurLine.EndsWithVia();
@ -586,7 +600,7 @@ bool SHOVE::ShoveObstacleLine( const LINE& aCurLine, const LINE& aObstacleLine,
hulls.push_back( aCurLine.Via().Hull( viaClearance, obstacleLineWidth, layer ) );
}
bool permitMovingEndpoints = (attempt >= 2);
bool permitMovingEndpoints = (attempt >= 2) && !voeA && !voeB;
if (shoveLineToHullSet( aCurLine, obstacleLine, aResultLine, hulls, permitMovingEndpoints ) )
{