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76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/*
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* CZonePlacer.h, 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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#pragma once
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#include "float3.h"
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#include "../int3.h"
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#include "../GameConstants.h"
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VCMI_LIB_NAMESPACE_BEGIN
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class CZoneGraph;
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class CMap;
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class CRandomGenerator;
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class RmgMap;
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class Zone;
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typedef std::vector<std::pair<TRmgTemplateZoneId, std::shared_ptr<Zone>>> TZoneVector;
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typedef std::map<TRmgTemplateZoneId, std::shared_ptr<Zone>> TZoneMap;
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typedef std::map<std::shared_ptr<Zone>, float3> TForceVector;
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typedef std::map<std::shared_ptr<Zone>, float> TDistanceVector;
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typedef std::map<int, std::map<int, size_t>> TDistanceMap;
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class CZonePlacer
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{
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public:
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explicit CZonePlacer(RmgMap & map);
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int3 cords(const float3 & f) const;
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float metric (const int3 &a, const int3 &b) const;
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float getDistance(float distance) const; //additional scaling without 0 division
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~CZonePlacer() = default;
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void placeZones(CRandomGenerator * rand);
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void findPathsBetweenZones();
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void placeOnGrid(CRandomGenerator* rand);
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float scaleForceBetweenZones(const std::shared_ptr<Zone> zoneA, const std::shared_ptr<Zone> zoneB) const;
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void assignZones(CRandomGenerator * rand);
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const TDistanceMap & getDistanceMap();
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private:
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void prepareZones(TZoneMap &zones, TZoneVector &zonesVector, const bool underground, CRandomGenerator * rand);
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void attractConnectedZones(TZoneMap & zones, TForceVector & forces, TDistanceVector & distances) const;
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void separateOverlappingZones(TZoneMap &zones, TForceVector &forces, TDistanceVector &overlaps);
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void moveOneZone(TZoneMap & zones, TForceVector & totalForces, TDistanceVector & distances, TDistanceVector & overlaps);
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private:
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int width;
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int height;
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//metric coefficient
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float mapSize;
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float gravityConstant;
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float stiffnessConstant;
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float stifness;
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float stiffnessIncreaseFactor;
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//remember best solution
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float bestTotalDistance;
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float bestTotalOverlap;
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//distance [a][b] = number of zone connections required to travel between the zones
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TDistanceMap distancesBetweenZones;
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std::set<TRmgTemplateZoneId> lastSwappedZones;
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RmgMap & map;
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};
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VCMI_LIB_NAMESPACE_END
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