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128 lines
2.5 KiB
C++
128 lines
2.5 KiB
C++
/*
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* RoadPlacer.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "RoadPlacer.h"
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#include "ObjectManager.h"
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#include "Functions.h"
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#include "CMapGenerator.h"
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#include "RmgMap.h"
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#include "../mapping/CMap.h"
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#include "../mapping/CMapEditManager.h"
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#include "RmgPath.h"
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VCMI_LIB_NAMESPACE_BEGIN
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void RoadPlacer::process()
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{
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connectRoads();
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}
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rmg::Area & RoadPlacer::areaForRoads()
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{
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return areaRoads;
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}
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rmg::Area & RoadPlacer::areaIsolated()
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{
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return isolated;
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}
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const rmg::Area & RoadPlacer::getRoads() const
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{
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return roads;
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}
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bool RoadPlacer::createRoad(const int3 & dst)
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{
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auto searchArea = zone.areaPossible() + areaRoads + zone.freePaths() - isolated + roads;
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rmg::Path path(searchArea);
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path.connect(roads);
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auto res = path.search(dst, true);
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if(!res.valid())
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{
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res = path.search(dst, false, [](const int3 & src, const int3 & dst)
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{
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float weight = dst.dist2dSQ(src);
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return weight * weight;
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});
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if(!res.valid())
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{
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logGlobal->warn("Failed to create road");
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return false;
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}
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}
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roads.unite(res.getPathArea());
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return true;
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}
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void RoadPlacer::drawRoads(bool secondary)
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{
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zone.areaPossible().subtract(roads);
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zone.freePaths().unite(roads);
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map.getEditManager()->getTerrainSelection().setSelection(roads.getTilesVector());
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std::string roadType = (secondary ? generator.getConfig().secondaryRoadType : generator.getConfig().defaultRoadType);
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map.getEditManager()->drawRoad(roadType, &generator.rand);
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}
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void RoadPlacer::addRoadNode(const int3& node)
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{
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roadNodes.insert(node);
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}
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void RoadPlacer::connectRoads()
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{
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bool noRoadNodes = false;
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//Assumes objects are already placed
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if (roadNodes.size() < 2)
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{
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//If there are no nodes, draw roads to mines
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noRoadNodes = true;
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if (auto* m = zone.getModificator<ObjectManager>())
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{
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for (auto object : m->getMines())
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{
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addRoadNode(object->visitablePos());
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}
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}
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}
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if(roadNodes.size() < 2)
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return;
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//take any tile from road nodes as destination zone for all other road nodes
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if(roads.empty())
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roads.add(*roadNodes.begin());
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for(auto & node : roadNodes)
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{
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createRoad(node);
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}
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//Draw dirt roads if there are only mines
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drawRoads(noRoadNodes);
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}
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char RoadPlacer::dump(const int3 & t)
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{
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if(roadNodes.count(t))
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return '@';
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if(roads.contains(t))
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return '+';
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if(isolated.contains(t))
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return 'i';
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return Modificator::dump(t);
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}
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VCMI_LIB_NAMESPACE_END
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