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71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
/*
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* AIPathfinder.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 "AIPathfinder.h"
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#include "AIPathfinderConfig.h"
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#include "../../../CCallback.h"
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#include "../../../lib/mapping/CMap.h"
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std::vector<std::shared_ptr<AINodeStorage>> AIPathfinder::storagePool;
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std::map<HeroPtr, std::shared_ptr<AINodeStorage>> AIPathfinder::storageMap;
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boost::mutex AIPathfinder::storageMutex;
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AIPathfinder::AIPathfinder(CPlayerSpecificInfoCallback * cb, VCAI * ai)
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:cb(cb), ai(ai)
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{
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}
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void AIPathfinder::clear()
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{
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boost::unique_lock<boost::mutex> storageLock(storageMutex);
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storageMap.clear();
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}
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std::vector<AIPath> AIPathfinder::getPathInfo(HeroPtr hero, int3 tile)
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{
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boost::unique_lock<boost::mutex> storageLock(storageMutex);
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std::shared_ptr<AINodeStorage> nodeStorage;
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if(!vstd::contains(storageMap, hero))
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{
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logAi->debug("Recalculate paths for %s", hero->name);
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if(storageMap.size() < storagePool.size())
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{
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nodeStorage = storagePool.at(storageMap.size());
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}
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else
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{
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nodeStorage = std::make_shared<AINodeStorage>(cb->getMapSize());
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storagePool.push_back(nodeStorage);
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}
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storageMap[hero] = nodeStorage;
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auto config = std::make_shared<AIPathfinding::AIPathfinderConfig>(cb, ai, nodeStorage);
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nodeStorage->setHero(hero.get());
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cb->calculatePaths(config, hero.get());
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}
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else
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{
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nodeStorage = storageMap.at(hero);
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}
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const TerrainTile * tileInfo = cb->getTile(tile, false);
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if(!tileInfo)
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{
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return std::vector<AIPath>();
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}
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return nodeStorage->getChainInfo(tile, !tileInfo->isWater());
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}
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