328 lines
7.6 KiB
C++
328 lines
7.6 KiB
C++
/*
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* KiRouter - a push-and-(sometimes-)shove PCB router
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*
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* Copyright (C) 2013-2014 CERN
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* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <boost/foreach.hpp>
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#include "pns_dragger.h"
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#include "pns_shove.h"
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#include "pns_router.h"
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PNS_DRAGGER::PNS_DRAGGER( PNS_ROUTER* aRouter ) :
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PNS_ALGO_BASE( aRouter )
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{
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m_world = NULL;
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m_lastNode = NULL;
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m_mode = SEGMENT;
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m_draggedLine = NULL;
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m_draggedVia = NULL;
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m_shove = NULL;
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m_draggedSegmentIndex = 0;
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m_dragStatus = false;
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m_currentMode = RM_MarkObstacles;
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m_initialVia = NULL;
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}
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PNS_DRAGGER::~PNS_DRAGGER()
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{
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if( m_shove )
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delete m_shove;
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}
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void PNS_DRAGGER::SetWorld( PNS_NODE* aWorld )
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{
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m_world = aWorld;
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}
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bool PNS_DRAGGER::startDragSegment( const VECTOR2D& aP, PNS_SEGMENT* aSeg )
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{
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int w2 = aSeg->Width() / 2;
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m_draggedLine = m_world->AssembleLine( aSeg, &m_draggedSegmentIndex );
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m_shove->SetInitialLine( m_draggedLine );
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m_lastValidDraggedLine = *m_draggedLine;
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m_lastValidDraggedLine.ClearSegmentLinks();
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if( ( aP - aSeg->Seg().A ).EuclideanNorm() <= w2 )
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m_mode = CORNER;
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else if( ( aP - aSeg->Seg().B ).EuclideanNorm() <= w2 )
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{
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m_draggedSegmentIndex++;
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m_mode = CORNER;
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} else
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m_mode = SEGMENT;
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return true;
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}
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bool PNS_DRAGGER::startDragVia( const VECTOR2D& aP, PNS_VIA* aVia )
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{
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m_draggedVia = aVia;
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m_initialVia = aVia;
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m_mode = VIA;
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VECTOR2I p0( aVia->Pos() );
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PNS_JOINT* jt = m_world->FindJoint( p0, aVia->Layers().Start(), aVia->Net() );
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BOOST_FOREACH( PNS_ITEM* item, jt->LinkList() )
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{
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if( item->OfKind( PNS_ITEM::SEGMENT ) )
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{
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int segIndex;
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PNS_SEGMENT* seg = ( PNS_SEGMENT*) item;
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std::auto_ptr<PNS_LINE> l( m_world->AssembleLine( seg, &segIndex ) );
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if( segIndex != 0 )
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l->Reverse();
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m_origViaConnections.push_back( *l );
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}
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}
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return true;
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}
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bool PNS_DRAGGER::Start( const VECTOR2I& aP, PNS_ITEM* aStartItem )
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{
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m_shove = new PNS_SHOVE( m_world, Router() );
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m_lastNode = NULL;
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m_draggedItems.Clear();
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m_currentMode = Settings().Mode();
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TRACE( 2, "StartDragging: item %p [kind %d]", aStartItem % aStartItem->Kind() );
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switch( aStartItem->Kind() )
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{
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case PNS_ITEM::SEGMENT:
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return startDragSegment( aP, static_cast<PNS_SEGMENT*>( aStartItem ) );
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case PNS_ITEM::VIA:
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return startDragVia( aP, static_cast<PNS_VIA*>( aStartItem ) );
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default:
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return false;
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}
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}
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bool PNS_DRAGGER::dragMarkObstacles( const VECTOR2I& aP )
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{
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if( m_lastNode )
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{
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delete m_lastNode;
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m_lastNode = NULL;
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}
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switch( m_mode )
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{
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case SEGMENT:
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case CORNER:
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{
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int thresh = Settings().SmoothDraggedSegments() ? m_draggedLine->Width() / 4 : 0;
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PNS_LINE tmp( *m_draggedLine );
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if( m_mode == SEGMENT )
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tmp.DragSegment( aP, m_draggedSegmentIndex, thresh );
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else
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tmp.DragCorner( aP, m_draggedSegmentIndex, thresh );
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m_lastNode = m_shove->CurrentNode()->Branch();
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m_lastValidDraggedLine = tmp;
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m_lastValidDraggedLine.ClearSegmentLinks();
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m_lastValidDraggedLine.Unmark();
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m_lastNode->Add( &m_lastValidDraggedLine );
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m_draggedItems = PNS_ITEMSET( &m_lastValidDraggedLine );
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break;
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}
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case VIA: // fixme...
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{
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m_lastNode = m_shove->CurrentNode()->Branch();
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dumbDragVia( m_initialVia, m_lastNode, aP );
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break;
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}
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}
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if( Settings().CanViolateDRC() )
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m_dragStatus = true;
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else
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m_dragStatus = !m_world->CheckColliding( m_draggedItems );
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return true;
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}
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void PNS_DRAGGER::dumbDragVia( PNS_VIA* aVia, PNS_NODE* aNode, const VECTOR2I& aP )
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{
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// fixme: this is awful.
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m_draggedVia = aVia->Clone();
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m_draggedVia->SetPos( aP );
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m_draggedItems.Clear();
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m_draggedItems.Add( m_draggedVia );
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m_lastNode->Remove( aVia );
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m_lastNode->Add( m_draggedVia );
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BOOST_FOREACH( PNS_LINE &l, m_origViaConnections )
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{
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PNS_LINE origLine( l );
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PNS_LINE* draggedLine = l.Clone();
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draggedLine->DragCorner( aP, 0 );
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draggedLine->ClearSegmentLinks();
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m_draggedItems.Add( draggedLine ); // FIXME: mem leak
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m_lastNode->Remove( &origLine );
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m_lastNode->Add( draggedLine );
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}
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}
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bool PNS_DRAGGER::dragShove( const VECTOR2I& aP )
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{
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bool ok = false;
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if( m_lastNode )
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{
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delete m_lastNode;
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m_lastNode = NULL;
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}
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switch( m_mode )
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{
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case SEGMENT:
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case CORNER:
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{
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int thresh = Settings().SmoothDraggedSegments() ? m_draggedLine->Width() / 4 : 0;
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PNS_LINE tmp( *m_draggedLine );
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if( m_mode == SEGMENT )
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tmp.DragSegment( aP, m_draggedSegmentIndex, thresh );
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else
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tmp.DragCorner( aP, m_draggedSegmentIndex, thresh );
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PNS_SHOVE::SHOVE_STATUS st = m_shove->ShoveLines( tmp );
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if( st == PNS_SHOVE::SH_OK )
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ok = true;
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else if( st == PNS_SHOVE::SH_HEAD_MODIFIED )
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{
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tmp = m_shove->NewHead();
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ok = true;
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}
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m_lastNode = m_shove->CurrentNode()->Branch();
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if( ok )
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m_lastValidDraggedLine = tmp;
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m_lastValidDraggedLine.ClearSegmentLinks();
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m_lastValidDraggedLine.Unmark();
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m_lastNode->Add( &m_lastValidDraggedLine );
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m_draggedItems = PNS_ITEMSET( &m_lastValidDraggedLine );
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break;
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}
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case VIA:
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{
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PNS_VIA* newVia;
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PNS_SHOVE::SHOVE_STATUS st = m_shove->ShoveDraggingVia( m_draggedVia, aP, &newVia );
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if( st == PNS_SHOVE::SH_OK || st == PNS_SHOVE::SH_HEAD_MODIFIED )
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ok = true;
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m_lastNode = m_shove->CurrentNode()->Branch();
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if( ok )
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{
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m_draggedVia = newVia;
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m_draggedItems.Clear();
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}
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break;
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}
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}
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m_dragStatus = ok;
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return ok;
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}
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bool PNS_DRAGGER::FixRoute()
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{
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if( m_dragStatus )
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{
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Router()->CommitRouting( CurrentNode() );
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return true;
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}
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return false;
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}
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bool PNS_DRAGGER::Drag( const VECTOR2I& aP )
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{
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switch( m_currentMode )
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{
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case RM_MarkObstacles:
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return dragMarkObstacles( aP );
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case RM_Shove:
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case RM_Walkaround:
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case RM_Smart:
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return dragShove( aP );
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default:
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return false;
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}
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}
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PNS_NODE* PNS_DRAGGER::CurrentNode() const
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{
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return m_lastNode;
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}
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const PNS_ITEMSET PNS_DRAGGER::Traces()
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{
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return m_draggedItems;
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}
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PNS_LOGGER* PNS_DRAGGER::Logger()
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{
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if( m_shove )
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return m_shove->Logger();
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return NULL;
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}
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