P&S router: fixed shove force propagation incorrect issues causing improper via dragging.

common/geometry/shape_collisions.cpp

@@ -175,7 +175,7 @@ static inline bool Collide( const SHAPE_CIRCLE& aA, const SHAPE_SEGMENT& aSeg, i
 
     if( col && aNeedMTV )
     {
-        aMTV = pushoutForce( aA, aSeg.GetSeg(), aClearance + aSeg.GetWidth() / 2);
+        aMTV = -pushoutForce( aA, aSeg.GetSeg(), aClearance + aSeg.GetWidth() / 2);
     }
     return col;
 }
@@ -231,14 +231,26 @@ static inline bool Collide( const SHAPE_LINE_CHAIN& aA, const SHAPE_SEGMENT& aB,
 }
 
 
-template<class ShapeAType, class ShapeBType> bool
-CollCase( const SHAPE* aA, const SHAPE* aB, int aClearance, bool aNeedMTV, VECTOR2I& aMTV )
+template<class ShapeAType, class ShapeBType> 
+inline bool CollCase( const SHAPE* aA, const SHAPE* aB, int aClearance, bool aNeedMTV, VECTOR2I& aMTV )
 {
 	return Collide (*static_cast<const ShapeAType*>( aA ),
 					*static_cast<const ShapeBType*>( aB ),
 					aClearance, aNeedMTV, aMTV);
 }
 
+template<class ShapeAType, class ShapeBType> 
+inline bool CollCaseReversed ( const SHAPE* aA, const SHAPE* aB, int aClearance, bool aNeedMTV, VECTOR2I& aMTV )
+{
+    bool rv = Collide (*static_cast<const ShapeBType*>( aB ),
+                       *static_cast<const ShapeAType*>( aA ),
+                        aClearance, aNeedMTV, aMTV);
+    if(rv && aNeedMTV) 
+        aMTV = -aMTV;
+    return rv;
+}
+
+
 bool CollideShapes( const SHAPE* aA, const SHAPE* aB, int aClearance, bool aNeedMTV, VECTOR2I& aMTV )
 {   
 	switch( aA->Type() )
@@ -263,7 +275,7 @@ bool CollideShapes( const SHAPE* aA, const SHAPE* aB, int aClearance, bool aNeed
 			switch( aB->Type() )
 			{
 				case SH_RECT:
-					return CollCase<SHAPE_RECT, SHAPE_CIRCLE>( aB, aA, aClearance, aNeedMTV, aMTV );
+                    return CollCaseReversed<SHAPE_CIRCLE, SHAPE_RECT>( aA, aB, aClearance, aNeedMTV, aMTV );
                 
 				case SH_CIRCLE:
 					return CollCase<SHAPE_CIRCLE, SHAPE_CIRCLE>( aA, aB, aClearance, aNeedMTV, aMTV );
@@ -273,6 +285,7 @@ bool CollideShapes( const SHAPE* aA, const SHAPE* aB, int aClearance, bool aNeed
 
 				case SH_SEGMENT:
                     return CollCase<SHAPE_CIRCLE, SHAPE_SEGMENT>( aA, aB, aClearance, aNeedMTV, aMTV );
+                
                 default:
 					break;
 			}
@@ -303,7 +316,7 @@ bool CollideShapes( const SHAPE* aA, const SHAPE* aB, int aClearance, bool aNeed
 					return CollCase<SHAPE_RECT, SHAPE_SEGMENT>( aB, aA, aClearance, aNeedMTV, aMTV );
 
 				case SH_CIRCLE:
-					return CollCase<SHAPE_CIRCLE, SHAPE_SEGMENT>( aB, aA, aClearance, aNeedMTV, aMTV );
+                    return CollCaseReversed<SHAPE_SEGMENT, SHAPE_CIRCLE>( aA, aB, aClearance, aNeedMTV, aMTV );
 
 				case SH_LINE_CHAIN:
 					return CollCase<SHAPE_LINE_CHAIN, SHAPE_SEGMENT>( aB, aA, aClearance, aNeedMTV, aMTV );

pcbnew/router/pns_shove.cpp

@@ -597,7 +597,7 @@ PNS_SHOVE::SHOVE_STATUS PNS_SHOVE::onCollidingVia (PNS_ITEM* aCurrent, PNS_VIA*
     {
         CollideShapes( aObstacleVia->Shape(), aCurrent->Shape(), 
                        clearance + PNS_HULL_MARGIN, true, mtvSolid );
-        mtv = mtvSolid;
+        mtv = -mtvSolid;
         rank = aCurrent->Rank() + 10000;
     }
 
@@ -924,7 +924,7 @@ PNS_SHOVE::SHOVE_STATUS PNS_SHOVE::ShoveLines( const PNS_LINE& aCurrentHead )
     if( m_newHead && st == SH_OK ) 
     {
         st = SH_HEAD_MODIFIED;
-        Router()->DisplayDebugLine( m_newHead->CLine(), 3, 20000 );
+        //Router()->DisplayDebugLine( m_newHead->CLine(), 3, 20000 );
     } 
 
     m_currentNode->RemoveByMarker( MK_HEAD );