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vcmi/AI/Nullkiller/Pathfinding/AIPathfinder.cpp
2021-07-26 21:02:50 +03:00

72 lines
1.7 KiB
C++

/*
* AIPathfinder.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "AIPathfinder.h"
#include "AIPathfinderConfig.h"
#include "../../../CCallback.h"
#include "../../../lib/mapping/CMap.h"
std::shared_ptr<AINodeStorage> AIPathfinder::storage;
AIPathfinder::AIPathfinder(CPlayerSpecificInfoCallback * cb, VCAI * ai)
:cb(cb), ai(ai)
{
}
void AIPathfinder::init()
{
storage.reset();
}
bool AIPathfinder::isTileAccessible(const HeroPtr & hero, const int3 & tile) const
{
return storage->isTileAccessible(hero, tile, EPathfindingLayer::LAND)
|| storage->isTileAccessible(hero, tile, EPathfindingLayer::SAIL);
}
std::vector<AIPath> AIPathfinder::getPathInfo(const HeroPtr & hero, const int3 & tile) const
{
const TerrainTile * tileInfo = cb->getTile(tile, false);
if(!tileInfo)
{
return std::vector<AIPath>();
}
return storage->getChainInfo(tile, !tileInfo->isWater());
}
void AIPathfinder::updatePaths(std::vector<HeroPtr> heroes, bool useHeroChain)
{
if(!storage)
{
storage = std::make_shared<AINodeStorage>(cb->getMapSize());
}
logAi->debug("Recalculate all paths");
storage->clear();
storage->setHeroes(heroes, ai);
auto config = std::make_shared<AIPathfinding::AIPathfinderConfig>(cb, ai, storage);
cb->calculatePaths(config);
while(useHeroChain && storage->calculateHeroChain())
{
config = std::make_shared<AIPathfinding::AIPathfinderConfig>(cb, ai, storage);
cb->calculatePaths(config);
}
}
void AIPathfinder::updatePaths(const HeroPtr & hero)
{
updatePaths(std::vector<HeroPtr>{hero});
}