bool PNS_LINE_PLACER::buildInitialLine( const VECTOR2I& aP, PNS_LINE& aHead ) { SHAPE_LINE_CHAIN l; if( m_p_start == aP ) { l.Clear(); } else { if( Settings().GetFreeAngleMode() && Settings().Mode() == RM_MarkObstacles ) { l = SHAPE_LINE_CHAIN( m_p_start, aP ); } else { l = m_direction.BuildInitialTrace( m_p_start, aP ); } if( l.SegmentCount() > 1 && m_orthoMode ) { VECTOR2I newLast = l.CSegment( 0 ).LineProject( l.CPoint( -1 ) ); l.Remove( -1, -1 ); l.Point( 1 ) = newLast; } } aHead.SetShape( l ); if( !m_placingVia ) return true; PNS_VIA v( makeVia( aP ) ); v.SetNet( aHead.Net() ); if( m_currentMode == RM_MarkObstacles ) { aHead.AppendVia( v ); return true; } VECTOR2I force; VECTOR2I lead = aP - m_p_start; bool solidsOnly = ( m_currentMode != RM_Walkaround ); if( v.PushoutForce( m_currentNode, lead, force, solidsOnly, 40 ) ) { SHAPE_LINE_CHAIN line = m_direction.BuildInitialTrace( m_p_start, aP + force ); aHead = PNS_LINE( aHead, line ); v.SetPos( v.Pos() + force ); return true; } return false; // via placement unsuccessful }
bool PNS_LINE_PLACER::rhWalkOnly( const VECTOR2I& aP, PNS_LINE& aNewHead ) { PNS_LINE initTrack( m_head ); PNS_LINE walkFull; int effort = 0; bool rv = true, viaOk; viaOk = buildInitialLine( aP, initTrack ); PNS_WALKAROUND walkaround( m_currentNode, Router() ); walkaround.SetSolidsOnly( false ); walkaround.SetIterationLimit( Settings().WalkaroundIterationLimit() ); PNS_WALKAROUND::WALKAROUND_STATUS wf = walkaround.Route( initTrack, walkFull, false ); switch( Settings().OptimizerEffort() ) { case OE_LOW: effort = 0; break; case OE_MEDIUM: case OE_FULL: effort = PNS_OPTIMIZER::MERGE_SEGMENTS; break; } if( Settings().SmartPads() ) effort |= PNS_OPTIMIZER::SMART_PADS; if( wf == PNS_WALKAROUND::STUCK ) { walkFull = walkFull.ClipToNearestObstacle( m_currentNode ); rv = true; } else if( m_placingVia && viaOk ) { walkFull.AppendVia( makeVia( walkFull.CPoint( -1 ) ) ); } PNS_OPTIMIZER::Optimize( &walkFull, effort, m_currentNode ); if( m_currentNode->CheckColliding( &walkFull ) ) { aNewHead = m_head; return false; } m_head = walkFull; aNewHead = walkFull; return rv; }