404 lines
11 KiB
C++
404 lines
11 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 CERN
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* Copyright (C) 2016-2020 KiCad Developers, see AUTHORS.txt for contributors.
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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 <functional>
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using namespace std::placeholders;
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#include <pcb_painter.h>
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#include <pcbnew_settings.h>
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#include <tools/pcb_grid_helper.h>
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#include "pns_kicad_iface.h"
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#include "pns_tool_base.h"
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#include "pns_arc.h"
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#include "pns_solid.h"
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using namespace KIGFX;
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namespace PNS {
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TOOL_BASE::TOOL_BASE( const std::string& aToolName ) :
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PCB_TOOL_BASE( aToolName )
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{
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m_gridHelper = nullptr;
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m_iface = nullptr;
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m_router = nullptr;
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m_cancelled = false;
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m_startItem = nullptr;
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m_startHighlight = false;
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m_endItem = nullptr;
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m_gridHelper = nullptr;
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m_cancelled = false;
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}
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TOOL_BASE::~TOOL_BASE()
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{
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delete m_gridHelper;
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delete m_iface;
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delete m_router;
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}
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void TOOL_BASE::Reset( RESET_REASON aReason )
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{
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delete m_gridHelper;
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delete m_iface;
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delete m_router;
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m_iface = new PNS_KICAD_IFACE;
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m_iface->SetBoard( board() );
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m_iface->SetView( getView() );
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m_iface->SetHostTool( this );
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m_iface->SetDisplayOptions( &( frame()->GetDisplayOptions() ) );
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m_router = new ROUTER;
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m_router->SetInterface( m_iface );
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m_router->ClearWorld();
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m_router->SyncWorld();
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m_router->UpdateSizes( m_savedSizes );
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PCBNEW_SETTINGS* settings = frame()->GetPcbNewSettings();
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if( !settings->m_PnsSettings )
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settings->m_PnsSettings = std::make_unique<ROUTING_SETTINGS>( settings, "tools.pns" );
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m_router->LoadSettings( settings->m_PnsSettings.get() );
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m_gridHelper = new PCB_GRID_HELPER( m_toolMgr, frame()->GetMagneticItemsSettings() );
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}
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ITEM* TOOL_BASE::pickSingleItem( const VECTOR2I& aWhere, int aNet, int aLayer, bool aIgnorePads,
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const std::vector<ITEM*> aAvoidItems )
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{
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int tl = aLayer > 0 ? aLayer : getView()->GetTopLayer();
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static const int candidateCount = 5;
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ITEM* prioritized[candidateCount];
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SEG::ecoord dist[candidateCount];
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for( int i = 0; i < candidateCount; i++ )
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{
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prioritized[i] = nullptr;
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dist[i] = VECTOR2I::ECOORD_MAX;
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}
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ITEM_SET candidates = m_router->QueryHoverItems( aWhere );
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for( ITEM* item : candidates.Items() )
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{
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if( !item->IsRoutable() )
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continue;
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if( !IsCopperLayer( item->Layers().Start() ) )
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continue;
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if( !m_iface->IsAnyLayerVisible( item->Layers() ) )
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continue;
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if( alg::contains( aAvoidItems, item ) )
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continue;
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// fixme: this causes flicker with live loop removal...
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//if( item->Parent() && !item->Parent()->ViewIsVisible() )
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// continue;
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if( aNet <= 0 || item->Net() == aNet )
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{
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if( item->OfKind( ITEM::VIA_T | ITEM::SOLID_T ) )
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{
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if( item->OfKind( ITEM::SOLID_T ) && aIgnorePads )
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continue;
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SEG::ecoord d = ( item->Shape()->Centre() - aWhere ).SquaredEuclideanNorm();
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if( d < dist[2] )
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{
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prioritized[2] = item;
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dist[2] = d;
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}
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if( item->Layers().Overlaps( tl ) && d < dist[0] )
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{
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prioritized[0] = item;
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dist[0] = d;
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}
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}
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else // ITEM::SEGMENT_T | ITEM::ARC_T
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{
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LINKED_ITEM* li = static_cast<LINKED_ITEM*>( item );
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SEG::ecoord d = std::min( ( li->Anchor( 0 ) - aWhere ).SquaredEuclideanNorm(),
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( li->Anchor( 1 ) - aWhere ).SquaredEuclideanNorm() );
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if( d < dist[3] )
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{
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prioritized[3] = item;
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dist[3] = d;
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}
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if( item->Layers().Overlaps( tl ) && d < dist[1] )
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{
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prioritized[1] = item;
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dist[1] = d;
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}
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}
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}
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// Allow unconnected items as last resort in RM_MarkObstacles mode
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else if ( item->Net() == 0 && m_router->Settings().Mode() == RM_MarkObstacles )
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{
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if( item->OfKind( ITEM::SOLID_T ) && aIgnorePads )
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continue;
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if( item->Layers().Overlaps( tl ) )
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prioritized[4] = item;
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}
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}
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ITEM* rv = NULL;
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bool highContrast = ( displayOptions().m_ContrastModeDisplay != HIGH_CONTRAST_MODE::NORMAL );
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for( int i = 0; i < candidateCount; i++ )
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{
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ITEM* item = prioritized[i];
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if( highContrast && item && !item->Layers().Overlaps( tl ) )
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item = nullptr;
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if( item && ( aLayer < 0 || item->Layers().Overlaps( aLayer ) ) )
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{
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rv = item;
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break;
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}
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}
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if( rv )
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{
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wxLogTrace( "PNS", "%s, layer : %d, tl: %d", rv->KindStr().c_str(), rv->Layers().Start(), tl );
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}
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return rv;
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}
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void TOOL_BASE::highlightNet( bool aEnabled, int aNetcode )
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{
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RENDER_SETTINGS* rs = getView()->GetPainter()->GetSettings();
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if( aNetcode >= 0 && aEnabled )
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{
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// If the user has previously set the current net to be highlighted,
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// we assume they want to keep it highlighted after routing
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m_startHighlight = ( rs->IsHighlightEnabled()
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&& rs->GetHighlightNetCodes().count( aNetcode ) );
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rs->SetHighlight( true, aNetcode );
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}
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else
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{
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if( !m_startHighlight )
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rs->SetHighlight( false );
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m_startHighlight = false;
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}
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getView()->UpdateAllLayersColor();
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}
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bool TOOL_BASE::checkSnap( ITEM *aItem )
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{
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// Sync PNS engine settings with the general PCB editor options.
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auto& pnss = m_router->Settings();
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pnss.SetSnapToPads(
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frame()->GetMagneticItemsSettings()->pads == MAGNETIC_OPTIONS::CAPTURE_CURSOR_IN_TRACK_TOOL ||
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frame()->GetMagneticItemsSettings()->pads == MAGNETIC_OPTIONS::CAPTURE_ALWAYS );
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pnss.SetSnapToTracks(
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frame()->GetMagneticItemsSettings()->tracks == MAGNETIC_OPTIONS::CAPTURE_CURSOR_IN_TRACK_TOOL
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|| frame()->GetMagneticItemsSettings()->tracks == MAGNETIC_OPTIONS::CAPTURE_ALWAYS );
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if( aItem )
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{
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if( aItem->OfKind( ITEM::VIA_T | ITEM::SEGMENT_T | ITEM::ARC_T ) )
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return pnss.GetSnapToTracks();
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else if( aItem->OfKind( ITEM::SOLID_T ) )
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return pnss.GetSnapToPads();
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}
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return false;
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}
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void TOOL_BASE::updateStartItem( const TOOL_EVENT& aEvent, bool aIgnorePads )
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{
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int tl = getView()->GetTopLayer();
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VECTOR2I cp = controls()->GetCursorPosition( !aEvent.Modifier( MD_SHIFT ) );
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VECTOR2I p;
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GAL* gal = m_toolMgr->GetView()->GetGAL();
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controls()->ForceCursorPosition( false );
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m_gridHelper->SetUseGrid( gal->GetGridSnapping() && !aEvent.Modifier( MD_ALT ) );
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m_gridHelper->SetSnap( !aEvent.Modifier( MD_SHIFT ) );
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if( aEvent.IsMotion() || aEvent.IsClick() )
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p = aEvent.Position();
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else
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p = cp;
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m_startItem = pickSingleItem( p, -1, -1, aIgnorePads );
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if( !m_gridHelper->GetUseGrid() && m_startItem && !m_startItem->Layers().Overlaps( tl ) )
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m_startItem = nullptr;
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m_startSnapPoint = snapToItem( m_startItem, p );
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if( checkSnap( m_startItem ) )
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controls()->ForceCursorPosition( true, m_startSnapPoint );
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}
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void TOOL_BASE::updateEndItem( const TOOL_EVENT& aEvent )
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{
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int layer;
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GAL* gal = m_toolMgr->GetView()->GetGAL();
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m_gridHelper->SetUseGrid( gal->GetGridSnapping() && !aEvent.Modifier( MD_ALT ) );
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m_gridHelper->SetSnap( !aEvent.Modifier( MD_SHIFT ) );
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controls()->ForceCursorPosition( false );
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VECTOR2I mousePos = controls()->GetMousePosition();
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if( m_router->Settings().Mode() != RM_MarkObstacles &&
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( m_router->GetCurrentNets().empty() || m_router->GetCurrentNets().front() < 0 ) )
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{
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m_endSnapPoint = snapToItem( nullptr, mousePos );
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controls()->ForceCursorPosition( true, m_endSnapPoint );
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m_endItem = nullptr;
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return;
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}
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if( m_router->IsPlacingVia() )
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layer = -1;
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else
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layer = m_router->GetCurrentLayer();
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ITEM* endItem = nullptr;
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std::vector<int> nets = m_router->GetCurrentNets();
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for( int net : nets )
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{
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endItem = pickSingleItem( mousePos, net, layer, false, { m_startItem } );
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if( endItem )
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break;
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}
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if( m_gridHelper->GetSnap() && checkSnap( endItem ) )
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{
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m_endItem = endItem;
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m_endSnapPoint = snapToItem( endItem, mousePos );
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}
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else
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{
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m_endItem = nullptr;
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m_endSnapPoint = m_gridHelper->Align( mousePos );
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}
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controls()->ForceCursorPosition( true, m_endSnapPoint );
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if( m_endItem )
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{
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wxLogTrace( "PNS", "%s, layer : %d",
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m_endItem->KindStr().c_str(),
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m_endItem->Layers().Start() );
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}
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}
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ROUTER *TOOL_BASE::Router() const
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{
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return m_router;
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}
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const VECTOR2I TOOL_BASE::snapToItem( ITEM* aItem, VECTOR2I aP )
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{
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if( !aItem || !m_iface->IsItemVisible( aItem ) )
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{
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return m_gridHelper->Align( aP );
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}
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switch( aItem->Kind() )
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{
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case ITEM::SOLID_T:
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return static_cast<SOLID*>( aItem )->Pos();
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case ITEM::VIA_T:
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return static_cast<VIA*>( aItem )->Pos();
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case ITEM::SEGMENT_T:
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case ITEM::ARC_T:
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{
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LINKED_ITEM* li = static_cast<LINKED_ITEM*>( aItem );
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VECTOR2I A = li->Anchor( 0 );
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VECTOR2I B = li->Anchor( 1 );
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SEG::ecoord w_sq = SEG::Square( li->Width() / 2 );
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SEG::ecoord distA_sq = ( aP - A ).SquaredEuclideanNorm();
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SEG::ecoord distB_sq = ( aP - B ).SquaredEuclideanNorm();
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if( distA_sq < w_sq || distB_sq < w_sq )
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{
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return ( distA_sq < distB_sq ) ? A : B;
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}
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// TODO(snh): Clean this up
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else if( aItem->Kind() == ITEM::SEGMENT_T )
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{
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SEGMENT* seg = static_cast<SEGMENT*>( li );
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return m_gridHelper->AlignToSegment( aP, seg->Seg() );
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}
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else if( aItem->Kind() == ITEM::ARC_T )
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{
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ARC* arc = static_cast<ARC*>( li );
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return m_gridHelper->AlignToArc( aP, *static_cast<const SHAPE_ARC*>( arc->Shape() ) );
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}
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}
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break;
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default:
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break;
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}
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return m_gridHelper->Align( aP );
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}
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}
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