2021-05-15 18:22:44 +02:00
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/*
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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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2021-05-15 18:22:49 +02:00
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std::shared_ptr<AINodeStorage> AIPathfinder::storage;
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2021-05-15 18:22:44 +02:00
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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::init()
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{
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2021-05-15 18:22:49 +02:00
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storage.reset();
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2021-05-15 18:22:44 +02:00
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}
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bool AIPathfinder::isTileAccessible(const HeroPtr & hero, const int3 & tile) const
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{
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2021-05-15 18:22:49 +02:00
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return storage->isTileAccessible(hero, tile, EPathfindingLayer::LAND)
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|| storage->isTileAccessible(hero, tile, EPathfindingLayer::SAIL);
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2021-05-15 18:22:44 +02:00
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}
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2021-05-15 20:56:31 +02:00
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std::vector<AIPath> AIPathfinder::getPathInfo(const int3 & tile) const
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2021-05-15 18:22:44 +02:00
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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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2021-05-15 18:22:49 +02:00
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return storage->getChainInfo(tile, !tileInfo->isWater());
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2021-05-15 18:22:44 +02:00
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}
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2021-05-15 20:01:48 +02:00
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void AIPathfinder::updatePaths(std::vector<HeroPtr> heroes, bool useHeroChain)
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2021-05-15 18:22:44 +02:00
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{
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2021-05-15 18:22:49 +02:00
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if(!storage)
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2021-05-15 18:22:44 +02:00
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{
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2021-05-15 18:22:49 +02:00
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storage = std::make_shared<AINodeStorage>(cb->getMapSize());
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2021-05-15 18:22:44 +02:00
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}
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2021-05-15 18:22:49 +02:00
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logAi->debug("Recalculate all paths");
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2021-05-15 20:04:48 +02:00
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int pass = 0;
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2021-05-15 18:22:44 +02:00
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2021-05-15 18:23:01 +02:00
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storage->clear();
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2021-05-15 18:22:49 +02:00
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storage->setHeroes(heroes, ai);
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2021-05-15 18:22:44 +02:00
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2021-05-15 20:54:28 +02:00
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if(useHeroChain)
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{
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storage->setTownsAndDwellings(cb->getTownsInfo(), ai->visitableObjs);
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}
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2021-05-15 20:01:48 +02:00
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auto config = std::make_shared<AIPathfinding::AIPathfinderConfig>(cb, ai, storage);
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2021-05-16 13:13:56 +02:00
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bool continueCalculation = false;
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2021-05-15 20:01:48 +02:00
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2021-05-16 13:13:56 +02:00
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do
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{
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2021-05-16 12:51:32 +02:00
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logAi->trace("Recalculate paths pass %d", pass++);
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2021-05-15 18:22:49 +02:00
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cb->calculatePaths(config);
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2021-05-15 20:04:48 +02:00
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2021-05-16 13:13:56 +02:00
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if(useHeroChain)
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{
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logAi->trace("Recalculate chain pass %d", pass);
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continueCalculation = storage->calculateHeroChain();
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if(!continueCalculation)
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{
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logAi->trace("Increase chain turn limit");
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continueCalculation = storage->increaseHeroChainTurnLimit() && storage->calculateHeroChain();
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}
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}
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} while(continueCalculation);
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2019-03-17 23:27:09 +02:00
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}
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