generator_tool_pns_proxy.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2023 Alex Shvartzkop <[email protected]>
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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 2
 * 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 <https://www.gnu.org/licenses/>.
 */
 
#include "generator_tool_pns_proxy.h"
 
#include <pad.h>
#include <pcb_shape.h>
#include <tools/pcb_grid_helper.h>
 
#include <router/pns_kicad_iface.h>
#include <router/pns_solid.h>
#include <router/pns_router.h>
#include <pcbnew_settings.h>
#include <settings/settings_manager.h>
#include <settings/snap_settings.h>
 
 
class PNS_KICAD_IFACE_GENERATOR : public PNS_KICAD_IFACE
{
public:
    void SetHostTool( PCB_TOOL_BASE* aTool ) override
    {
        m_tool = aTool;
        m_commit = nullptr;
 
        ClearCommits();
    }
 
    void Commit() override
    { //
        m_changes.emplace_back();
    }
 
    void ClearCommits()
    {
        m_changes.clear();
        m_changes.emplace_back();
        m_createdItems.clear();
    }
 
    // The base implementations build ROUTER_PREVIEW_ITEMs and touch the GAL view, which do
    // not exist in headless sessions; skip display entirely there.
    void DisplayItem( const PNS::ITEM* aItem, int aClearance, bool aEdit = false,
                      int aFlags = 0 ) override
    {
        if( !m_view )
            return;
 
        PNS_KICAD_IFACE::DisplayItem( aItem, aClearance, aEdit, aFlags );
    }
 
    void EraseView() override
    {
        if( !m_view )
            return;
 
        PNS_KICAD_IFACE::EraseView();
    }
 
    void HideItem( PNS::ITEM* aItem ) override
    {
        if( !m_view )
            return;
 
        PNS_KICAD_IFACE::HideItem( aItem );
    }
 
    void DisplayPathLine( const SHAPE_LINE_CHAIN& aLine, int aImportance ) override
    {
        if( !m_view )
            return;
 
        PNS_KICAD_IFACE::DisplayPathLine( aLine, aImportance );
    }
 
    void DisplayRatline( const SHAPE_LINE_CHAIN& aRatline, PNS::NET_HANDLE aNet ) override
    {
        if( !m_view )
            return;
 
        PNS_KICAD_IFACE::DisplayRatline( aRatline, aNet );
    }
 
    void AddItem( PNS::ITEM* aItem ) override
    {
        BOARD_ITEM* brdItem = createBoardItem( aItem );
 
        if( brdItem )
        {
            aItem->SetParent( brdItem );
            brdItem->ClearFlags();
 
            m_createdItems.insert( brdItem );
            m_changes.back().addedItems.emplace( brdItem );
        }
    }
 
    void UpdateItem( PNS::ITEM* aItem ) override
    { //
        modifyBoardItem( aItem );
    }
 
    void RemoveItem( PNS::ITEM* aItem ) override
    {
        BOARD_ITEM* parent = aItem->Parent();
 
        if( aItem->OfKind( PNS::ITEM::SOLID_T ) )
        {
            PAD*     pad = static_cast<PAD*>( parent );
            VECTOR2I pos = static_cast<PNS::SOLID*>( aItem )->Pos();
 
            m_fpOffsets[pad].p_old = pos;
            return;
        }
 
        if( parent )
        {
            m_changes.back().removedItems.emplace( parent );
        }
    }
 
    std::vector<GENERATOR_PNS_CHANGES>& Changes() { return m_changes; };
 
    bool IsGeneratedItem( BOARD_ITEM* aItem ) const { return m_createdItems.contains( aItem ); }
 
private:
    std::set<BOARD_ITEM*> m_createdItems;
 
    std::vector<GENERATOR_PNS_CHANGES> m_changes;
};
 
 
void GENERATOR_TOOL_PNS_PROXY::ClearRouterChanges()
{
    static_cast<PNS_KICAD_IFACE_GENERATOR*>( GetInterface() )->ClearCommits();
}
 
 
const std::vector<GENERATOR_PNS_CHANGES>& GENERATOR_TOOL_PNS_PROXY::GetRouterChanges()
{
    return static_cast<PNS_KICAD_IFACE_GENERATOR*>( GetInterface() )->Changes();
}
 
 
bool GENERATOR_TOOL_PNS_PROXY::ItemCreatedBySession( BOARD_ITEM* aItem ) const
{
    return static_cast<PNS_KICAD_IFACE_GENERATOR*>( GetInterface() )->IsGeneratedItem( aItem );
}
 
 
GENERATOR_TOOL_PNS_PROXY::GENERATOR_TOOL_PNS_PROXY( const std::string& aToolName ) :
        PNS::TOOL_BASE( aToolName )
{
}
 
 
GENERATOR_TOOL_PNS_PROXY::~GENERATOR_TOOL_PNS_PROXY()
{
}
 
 
void GENERATOR_TOOL_PNS_PROXY::Reset( RESET_REASON aReason )
{
    delete m_gridHelper;
    delete m_router;
    delete m_iface; // Delete after m_router because PNS::NODE dtor needs m_ruleResolver
 
    if( aReason == RESET_REASON::SHUTDOWN )
    {
        m_iface = nullptr;
        m_router = nullptr;
        m_gridHelper = nullptr;
        return;
    }
 
    m_iface = new PNS_KICAD_IFACE_GENERATOR;
    m_iface->SetBoard( board() );
    m_iface->SetView( getView() );
    m_iface->SetHostTool( this );
 
    m_router = new PNS::ROUTER;
    m_router->SetInterface( m_iface );
    m_router->ClearWorld();
    m_router->SyncWorld();
 
    m_router->UpdateSizes( m_savedSizes );
 
    // Headless sessions (kicad-cli api-server) have no frame; fall back to the global
    // settings store and default magnetic settings.
    PCBNEW_SETTINGS* settings = GetAppSettings<PCBNEW_SETTINGS>( "pcbnew" );
 
    if( !settings->m_PnsSettings )
        settings->m_PnsSettings = std::make_unique<PNS::ROUTING_SETTINGS>( settings, "tools.pns" );
 
    m_router->LoadSettings( settings->m_PnsSettings.get() );
 
    // Only build the grid helper in GUI mode where a view exists
    if( getView() )
    {
        static MAGNETIC_SETTINGS defaultMagnetic;
        m_gridHelper = new PCB_GRID_HELPER( m_toolMgr, &defaultMagnetic );
    }
}