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kicad/pcbnew/router/pns_router.cpp

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdio>
#include <vector>
#include <boost/foreach.hpp>
#include <view/view.h>
#include <view/view_item.h>
#include <view/view_group.h>
#include <gal/graphics_abstraction_layer.h>
#include <pcb_painter.h>
#include <geometry/shape.h>
#include <geometry/shape_line_chain.h>
#include <geometry/shape_rect.h>
#include <geometry/shape_circle.h>
#include "trace.h"
#include "pns_node.h"
#include "pns_line_placer.h"
#include "pns_line.h"
#include "pns_solid.h"
#include "pns_utils.h"
#include "pns_router.h"
#include "pns_shove.h"
#include "pns_dragger.h"
#include <router/router_preview_item.h>
#include <class_board.h>
#include <class_board_connected_item.h>
#include <class_module.h>
#include <class_track.h>
#include <ratsnest_data.h>
#include <layers_id_colors_and_visibility.h>
// an ugly singleton for drawing debug items within the router context.
// To be fixed sometime in the future.
static PNS_ROUTER* theRouter;
class PCBNEW_CLEARANCE_FUNC : public PNS_CLEARANCE_FUNC
{
public:
PCBNEW_CLEARANCE_FUNC( BOARD* aBoard )
{
m_clearanceCache.resize( aBoard->GetNetCount() );
for( unsigned int i = 0; i < aBoard->GetNetCount(); i++ )
{
NETINFO_ITEM* ni = aBoard->FindNet( i );
if( ni == NULL )
continue;
wxString netClassName = ni->GetClassName();
NETCLASSPTR nc = aBoard->GetDesignSettings().m_NetClasses.Find( netClassName );
int clearance = nc->GetClearance();
m_clearanceCache[i] = clearance;
TRACE( 1, "Add net %d netclass %s clearance %d", i % netClassName.mb_str() %
clearance );
}
m_defaultClearance = 254000; // aBoard->m_NetClasses.Find ("Default clearance")->GetClearance();
}
int localPadClearance( const PNS_ITEM* aItem ) const
{
if( !aItem->Parent() || aItem->Parent()->Type() != PCB_PAD_T )
return 0;
const D_PAD* pad = static_cast<D_PAD*>( aItem->Parent() );
return pad->GetLocalClearance();
}
int operator()( const PNS_ITEM* aA, const PNS_ITEM* aB )
{
int net_a = aA->Net();
int cl_a = ( net_a >= 0 ? m_clearanceCache[net_a] : m_defaultClearance );
int net_b = aB->Net();
int cl_b = ( net_b >= 0 ? m_clearanceCache[net_b] : m_defaultClearance );
int pad_a = localPadClearance( aA );
int pad_b = localPadClearance( aB );
cl_a = std::max( cl_a, pad_a );
cl_b = std::max( cl_b, pad_b );
return std::max( cl_a, cl_b );
}
private:
std::vector<int> m_clearanceCache;
int m_defaultClearance;
};
PNS_ITEM* PNS_ROUTER::syncPad( D_PAD* aPad )
{
PNS_LAYERSET layers( 0, 15 );
switch( aPad->GetAttribute() )
{
case PAD_STANDARD:
layers = PNS_LAYERSET( 0, 15 );
break;
case PAD_SMD:
case PAD_CONN:
{
LSET lmsk = aPad->GetLayerSet();
for( int i = 0; i < MAX_CU_LAYERS; i++ )
{
if( lmsk[i] )
{
layers = PNS_LAYERSET( i );
break;
}
}
}
break;
default:
TRACE( 0, "unsupported pad type 0x%x", aPad->GetAttribute() );
return NULL;
}
PNS_SOLID* solid = new PNS_SOLID;
solid->SetLayers( layers );
solid->SetNet( aPad->GetNetCode() );
solid->SetParent( aPad );
wxPoint wx_c = aPad->GetPosition();
wxSize wx_sz = aPad->GetSize();
VECTOR2I c( wx_c.x, wx_c.y );
VECTOR2I sz( wx_sz.x, wx_sz.y );
solid->SetPos( c );
double orient = aPad->GetOrientation() / 10.0;
bool nonOrtho = false;
if( orient == 90.0 || orient == 270.0 )
sz = VECTOR2I( sz.y, sz.x );
else if( orient != 0.0 && orient != 180.0 )
{
// rotated pads are replaced by for the moment by circles due to my laziness ;)
solid->SetShape( new SHAPE_CIRCLE( c, std::min( sz.x, sz.y ) / 2 ) );
nonOrtho = true;
}
if( !nonOrtho )
{
switch( aPad->GetShape() )
{
case PAD_CIRCLE:
solid->SetShape( new SHAPE_CIRCLE( c, sz.x / 2 ) );
break;
case PAD_OVAL:
if( sz.x == sz.y )
solid->SetShape( new SHAPE_CIRCLE( c, sz.x / 2 ) );
else
{
VECTOR2I delta;
if( sz.x > sz.y )
delta = VECTOR2I( ( sz.x - sz.y ) / 2, 0 );
else
delta = VECTOR2I( 0, ( sz.y - sz.x ) / 2 );
SHAPE_SEGMENT* shape = new SHAPE_SEGMENT( c - delta, c + delta,
std::min( sz.x, sz.y ) );
solid->SetShape( shape );
}
break;
case PAD_RECT:
solid->SetShape( new SHAPE_RECT( c - sz / 2, sz.x, sz.y ) );
break;
default:
TRACEn( 0, "unsupported pad shape" );
delete solid;
return NULL;
}
}
return solid;
}
PNS_ITEM* PNS_ROUTER::syncTrack( TRACK* aTrack )
{
PNS_SEGMENT* s =
new PNS_SEGMENT( SEG( aTrack->GetStart(), aTrack->GetEnd() ), aTrack->GetNetCode() );
s->SetWidth( aTrack->GetWidth() );
s->SetLayers( PNS_LAYERSET( aTrack->GetLayer() ) );
s->SetParent( aTrack );
return s;
}
PNS_ITEM* PNS_ROUTER::syncVia( VIA* aVia )
{
PNS_VIA* v = new PNS_VIA(
aVia->GetPosition(),
PNS_LAYERSET( 0, 15 ),
aVia->GetWidth(),
aVia->GetDrillValue(),
aVia->GetNetCode() );
v->SetParent( aVia );
return v;
}
void PNS_ROUTER::SetBoard( BOARD* aBoard )
{
m_board = aBoard;
TRACE( 1, "m_board = %p\n", m_board );
}
int PNS_ROUTER::NextCopperLayer( bool aUp )
{
LSET mask = m_board->GetEnabledLayers() & m_board->GetVisibleLayers();
LAYER_NUM l = m_currentLayer;
do
{
l += ( aUp ? 1 : -1 );
if( l >= MAX_CU_LAYERS )
l = 0;
if( l < 0 )
l = MAX_CU_LAYERS-1;
if( mask[l] )
return l;
}
while( l != m_currentLayer );
return l;
}
void PNS_ROUTER::SyncWorld()
{
if( !m_board )
{
TRACEn( 0, "No board attached, aborting sync." );
return;
}
ClearWorld();
int worstClearance = m_board->GetDesignSettings().GetBiggestClearanceValue();
m_clearanceFunc = new PCBNEW_CLEARANCE_FUNC( m_board );
m_world = new PNS_NODE();
m_world->SetClearanceFunctor( m_clearanceFunc );
m_world->SetMaxClearance( 4 * worstClearance );
for( MODULE* module = m_board->m_Modules; module; module = module->Next() )
{
for( D_PAD* pad = module->Pads(); pad; pad = pad->Next() )
{
PNS_ITEM* solid = syncPad( pad );
if( solid )
m_world->Add( solid );
}
}
for( TRACK* t = m_board->m_Track; t; t = t->Next() )
{
KICAD_T type = t->Type();
PNS_ITEM* item = NULL;
if( type == PCB_TRACE_T )
item = syncTrack( t );
else if( type == PCB_VIA_T )
item = syncVia( static_cast<VIA*>( t ) );
if( item )
m_world->Add( item );
}
}
PNS_ROUTER::PNS_ROUTER()
{
theRouter = this;
m_clearanceFunc = NULL;
m_currentLayer = 1;
m_placingVia = false;
m_currentNet = -1;
m_state = IDLE;
m_world = NULL;
m_placer = NULL;
m_previewItems = NULL;
m_board = NULL;
m_dragger = NULL;
}
void PNS_ROUTER::SetView( KIGFX::VIEW* aView )
{
if( m_previewItems )
{
m_previewItems->FreeItems();
delete m_previewItems;
}
m_view = aView;
m_previewItems = new KIGFX::VIEW_GROUP( m_view );
m_previewItems->SetLayer( ITEM_GAL_LAYER( GP_OVERLAY ) );
m_view->Add( m_previewItems );
m_previewItems->ViewSetVisible( true );
}
PNS_ROUTER* PNS_ROUTER::GetInstance()
{
return theRouter;
}
PNS_ROUTER::~PNS_ROUTER()
{
ClearWorld();
theRouter = NULL;
if( m_previewItems )
delete m_previewItems;
}
void PNS_ROUTER::ClearWorld()
{
if( m_world )
delete m_world;
if( m_clearanceFunc )
delete m_clearanceFunc;
if( m_placer )
delete m_placer;
if( m_previewItems )
delete m_previewItems;
m_clearanceFunc = NULL;
m_world = NULL;
m_placer = NULL;
m_previewItems = NULL;
}
bool PNS_ROUTER::RoutingInProgress() const
{
return m_state != IDLE;
}
const PNS_ITEMSET PNS_ROUTER::QueryHoverItems( const VECTOR2I& aP )
{
if( m_state == IDLE )
return m_world->HitTest( aP );
else
{
//assert ( m_placer->GetCurrentNode()->checkExists() );
//TRACE(0,"query-hover [%p]", m_placer->GetCurrentNode());
return m_placer->CurrentNode()->HitTest( aP );
}
}
const VECTOR2I PNS_ROUTER::SnapToItem( PNS_ITEM* aItem, VECTOR2I aP, bool& aSplitsSegment )
{
VECTOR2I anchor;
if( !aItem )
{
aSplitsSegment = false;
return aP;
}
switch( aItem->Kind() )
{
case PNS_ITEM::SOLID:
anchor = static_cast<PNS_SOLID*>( aItem )->Pos();
aSplitsSegment = false;
break;
case PNS_ITEM::VIA:
anchor = static_cast<PNS_VIA*>( aItem )->Pos();
aSplitsSegment = false;
break;
case PNS_ITEM::SEGMENT:
{
PNS_SEGMENT* seg = static_cast<PNS_SEGMENT*>( aItem );
const SEG& s = seg->Seg();
int w = seg->Width();
aSplitsSegment = false;
if( ( aP - s.A ).EuclideanNorm() < w / 2 )
anchor = s.A;
else if( ( aP - s.B ).EuclideanNorm() < w / 2 )
anchor = s.B;
else
{
anchor = s.NearestPoint( aP );
aSplitsSegment = true;
}
break;
}
default:
break;
}
return anchor;
}
bool PNS_ROUTER::StartDragging( const VECTOR2I& aP, PNS_ITEM* aStartItem )
{
if( !aStartItem || aStartItem->OfKind( PNS_ITEM::SOLID ) )
return false;
m_dragger = new PNS_DRAGGER( this );
m_dragger->SetWorld( m_world );
if( m_dragger->Start ( aP, aStartItem ) )
m_state = DRAG_SEGMENT;
else
{
delete m_dragger;
m_state = IDLE;
return false;
}
return true;
}
bool PNS_ROUTER::StartRouting( const VECTOR2I& aP, PNS_ITEM* aStartItem )
{
m_state = ROUTE_TRACK;
m_placer = new PNS_LINE_PLACER( this );
m_placer->SetLayer( m_currentLayer );
const BOARD_DESIGN_SETTINGS& dsnSettings = m_board->GetDesignSettings();
if( dsnSettings.UseNetClassTrack() && aStartItem != NULL ) // netclass value
{
m_settings.SetTrackWidth( aStartItem->Parent()->GetNetClass()->GetTrackWidth() );
}
else
{
m_settings.SetTrackWidth( dsnSettings.GetCurrentTrackWidth() );
}
if( dsnSettings.UseNetClassVia() && aStartItem != NULL ) // netclass value
{
m_settings.SetViaDiameter( aStartItem->Parent()->GetNetClass()->GetViaDiameter() );
m_settings.SetViaDrill( aStartItem->Parent()->GetNetClass()->GetViaDrill() );
}
else
{
m_settings.SetViaDiameter( dsnSettings.GetCurrentViaSize() );
m_settings.SetViaDrill( dsnSettings.GetCurrentViaDrill() );
}
m_placer->UpdateSizes( m_settings );
m_placer->Start( aP, aStartItem );
m_currentEnd = aP;
m_currentEndItem = NULL;
return true;
}
const VECTOR2I PNS_ROUTER::CurrentEnd() const
{
return m_currentEnd;
}
void PNS_ROUTER::eraseView()
{
BOOST_FOREACH( BOARD_ITEM* item, m_hiddenItems )
{
item->ViewSetVisible( true );
}
m_hiddenItems.clear();
if( m_previewItems )
{
m_previewItems->FreeItems();
m_previewItems->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
}
void PNS_ROUTER::DisplayItem( const PNS_ITEM* aItem, int aColor, int aClearance )
{
ROUTER_PREVIEW_ITEM* pitem = new ROUTER_PREVIEW_ITEM( aItem, m_previewItems );
if( aColor >= 0 )
pitem->SetColor( KIGFX::COLOR4D ( aColor ) );
if( aClearance >= 0 )
pitem->SetClearance( aClearance );
m_previewItems->Add( pitem );
pitem->ViewSetVisible( true );
m_previewItems->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY | KIGFX::VIEW_ITEM::APPEARANCE );
}
void PNS_ROUTER::DisplayItems( const PNS_ITEMSET& aItems )
{
BOOST_FOREACH( const PNS_ITEM *item, aItems.CItems() )
DisplayItem( item );
}
void PNS_ROUTER::DisplayDebugLine( const SHAPE_LINE_CHAIN& aLine, int aType, int aWidth )
{
ROUTER_PREVIEW_ITEM* pitem = new ROUTER_PREVIEW_ITEM( NULL, m_previewItems );
pitem->Line( aLine, aWidth, aType );
m_previewItems->Add( pitem );
pitem->ViewSetVisible( true );
m_previewItems->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY | KIGFX::VIEW_ITEM::APPEARANCE );
}
void PNS_ROUTER::DisplayDebugPoint( const VECTOR2I aPos, int aType )
{
ROUTER_PREVIEW_ITEM* pitem = new ROUTER_PREVIEW_ITEM( NULL, m_previewItems );
pitem->Point( aPos, aType );
m_previewItems->Add( pitem );
pitem->ViewSetVisible( true );
m_previewItems->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY | KIGFX::VIEW_ITEM::APPEARANCE );
}
void PNS_ROUTER::Move( const VECTOR2I& aP, PNS_ITEM* endItem )
{
m_currentEnd = aP;
m_currentEndItem = endItem;
switch( m_state )
{
case ROUTE_TRACK:
movePlacing( aP, endItem );
break;
case DRAG_SEGMENT:
moveDragging( aP, endItem );
break;
default:
break;
}
}
void PNS_ROUTER::moveDragging( const VECTOR2I& aP, PNS_ITEM* aEndItem )
{
eraseView();
m_dragger->Drag( aP );
PNS_ITEMSET dragged = m_dragger->Traces();
updateView ( m_dragger->CurrentNode(), dragged );
}
void PNS_ROUTER::markViolations( PNS_NODE* aNode, PNS_ITEMSET& aCurrent,
PNS_NODE::ITEM_VECTOR& aRemoved )
{
BOOST_FOREACH( PNS_ITEM* item, aCurrent.Items() )
{
PNS_NODE::OBSTACLES obstacles;
aNode->QueryColliding( item, obstacles, PNS_ITEM::ANY );
if( item->OfKind( PNS_ITEM::LINE ) )
{
PNS_LINE* l = static_cast<PNS_LINE*>( item );
if( l->EndsWithVia() )
{
PNS_VIA v( l->Via() );
aNode->QueryColliding( &v, obstacles, PNS_ITEM::ANY );
}
}
BOOST_FOREACH( PNS_OBSTACLE& obs, obstacles )
{
int clearance = aNode->GetClearance( item, obs.m_item );
std::auto_ptr<PNS_ITEM> tmp( obs.m_item->Clone() );
tmp->Mark( MK_VIOLATION );
DisplayItem( tmp.get(), -1, clearance );
aRemoved.push_back( obs.m_item );
}
}
}
void PNS_ROUTER::updateView( PNS_NODE* aNode, PNS_ITEMSET& aCurrent )
{
PNS_NODE::ITEM_VECTOR removed, added;
PNS_NODE::OBSTACLES obstacles;
if( !aNode )
return;
if( Settings().Mode() == RM_MarkObstacles )
markViolations(aNode, aCurrent, removed);
aNode->GetUpdatedItems( removed, added );
BOOST_FOREACH( PNS_ITEM* item, added )
{
DisplayItem( item );
}
BOOST_FOREACH( PNS_ITEM* item, removed )
{
BOARD_CONNECTED_ITEM* parent = item->Parent();
if( parent )
{
if( parent->ViewIsVisible() )
m_hiddenItems.insert( parent );
parent->ViewSetVisible( false );
parent->ViewUpdate( KIGFX::VIEW_ITEM::APPEARANCE );
}
}
}
void PNS_ROUTER::ApplySettings()
{
// Change track/via size settings
if( m_state == ROUTE_TRACK)
{
m_placer->UpdateSizes( m_settings );
m_placer->Move( m_currentEnd, m_currentEndItem );
movePlacing( m_currentEnd, m_currentEndItem );
}
}
void PNS_ROUTER::movePlacing( const VECTOR2I& aP, PNS_ITEM* aEndItem )
{
eraseView();
m_placer->Move( aP, aEndItem );
PNS_LINE current = m_placer->Trace();
DisplayItem( &current );
if( current.EndsWithVia() )
DisplayItem( &current.Via() );
PNS_ITEMSET tmp( &current );
updateView( m_placer->CurrentNode( true ), tmp );
}
void PNS_ROUTER::CommitRouting( PNS_NODE* aNode )
{
PNS_NODE::ITEM_VECTOR removed, added;
aNode->GetUpdatedItems( removed, added );
for( unsigned int i = 0; i < removed.size(); i++ )
{
BOARD_CONNECTED_ITEM* parent = removed[i]->Parent();
if( parent )
{
m_view->Remove( parent );
m_board->Remove( parent );
m_undoBuffer.PushItem( ITEM_PICKER( parent, UR_DELETED ) );
}
}
BOOST_FOREACH( PNS_ITEM* item, added )
{
BOARD_CONNECTED_ITEM* newBI = NULL;
switch( item->Kind() )
{
case PNS_ITEM::SEGMENT:
{
PNS_SEGMENT* seg = static_cast<PNS_SEGMENT*>( item );
TRACK* track = new TRACK( m_board );
const SEG& s = seg->Seg();
track->SetStart( wxPoint( s.A.x, s.A.y ) );
track->SetEnd( wxPoint( s.B.x, s.B.y ) );
track->SetWidth( seg->Width() );
track->SetLayer( ToLAYER_ID( seg->Layers().Start() ) );
track->SetNetCode( seg->Net() );
newBI = track;
break;
}
case PNS_ITEM::VIA:
{
VIA* via_board = new VIA( m_board );
PNS_VIA* via = static_cast<PNS_VIA*>( item );
via_board->SetPosition( wxPoint( via->Pos().x, via->Pos().y ) );
via_board->SetWidth( via->Diameter() );
via_board->SetDrill( via->Drill() );
via_board->SetNetCode( via->Net() );
newBI = via_board;
break;
}
default:
break;
}
if( newBI )
{
item->SetParent( newBI );
newBI->ClearFlags();
m_view->Add( newBI );
m_board->Add( newBI );
m_undoBuffer.PushItem( ITEM_PICKER( newBI, UR_NEW ) );
newBI->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
}
m_world->Commit( aNode );
}
PNS_VIA* PNS_ROUTER::checkLoneVia( PNS_JOINT* aJoint ) const
{
PNS_VIA* theVia = NULL;
PNS_LAYERSET l;
BOOST_FOREACH( PNS_ITEM* item, aJoint->LinkList() )
{
if( item->Kind() == PNS_ITEM::VIA )
theVia = static_cast<PNS_VIA*>( item );
l.Merge( item->Layers() );
}
if( l.Start() == l.End() )
return theVia;
return NULL;
}
bool PNS_ROUTER::FixRoute( const VECTOR2I& aP, PNS_ITEM* aEndItem )
{
bool rv = false;
switch( m_state )
{
case ROUTE_TRACK:
rv = m_placer->FixRoute( aP, aEndItem );
m_placingVia = false;
break;
case DRAG_SEGMENT:
rv = m_dragger->FixRoute();
break;
default:
break;
}
if( rv )
StopRouting();
return rv;
}
void PNS_ROUTER::StopRouting()
{
// Update the ratsnest with new changes
m_board->GetRatsnest()->Recalculate( m_currentNet );
if( !RoutingInProgress() )
return;
if( m_placer )
delete m_placer;
if( m_dragger )
delete m_dragger;
m_placer = NULL;
m_dragger = NULL;
eraseView();
m_state = IDLE;
m_world->KillChildren();
m_world->ClearRanks();
}
void PNS_ROUTER::FlipPosture()
{
if( m_state == ROUTE_TRACK )
{
m_placer->FlipPosture();
m_placer->Move( m_currentEnd, m_currentEndItem );
}
}
void PNS_ROUTER::SwitchLayer( int aLayer )
{
switch( m_state )
{
case IDLE:
m_currentLayer = aLayer;
break;
case ROUTE_TRACK:
if( m_startsOnVia )
{
m_currentLayer = aLayer;
//m_placer->StartPlacement( m_currentStart, m_currentNet, m_currentWidth,
// m_currentLayer );
}
break;
default:
break;
}
}
void PNS_ROUTER::ToggleViaPlacement()
{
if( m_state == ROUTE_TRACK )
{
m_placingVia = !m_placingVia;
m_placer->AddVia( m_placingVia, m_settings.GetViaDiameter(), m_settings.GetViaDrill() );
}
}
int PNS_ROUTER::GetCurrentNet() const
{
switch( m_state )
{
case ROUTE_TRACK:
return m_placer->CurrentNet();
default:
return m_currentNet;
}
}
int PNS_ROUTER::GetCurrentLayer() const
{
switch( m_state )
{
case ROUTE_TRACK:
return m_placer->CurrentLayer();
default:
return m_currentLayer;
}
}
void PNS_ROUTER::DumpLog()
{
PNS_LOGGER* logger = NULL;
switch( m_state )
{
case DRAG_SEGMENT:
logger = m_dragger->Logger();
break;
default:
break;
}
if( logger )
logger->Save( "/tmp/shove.log" );
}
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