vcmi/AI/Nullkiller2/Pathfinding/AIPathfinderConfig.cpp

/*
* AIPathfinderConfig.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 "AI/Nullkiller2/Engine/Nullkiller.h"
#include "AIPathfinderConfig.h"
#include "Rules/AILayerTransitionRule.h"
#include "Rules/AIMovementAfterDestinationRule.h"
#include "Rules/AIMovementToDestinationRule.h"
#include "Rules/AIPreviousNodeRule.h"

#include "../../../lib/pathfinder/CPathfinder.h"

namespace NK2AI
{
namespace AIPathfinding
{
	std::vector<std::shared_ptr<IPathfindingRule>>
	makeRuleset(CPlayerSpecificInfoCallback * cpsic, Nullkiller * aiNk, std::shared_ptr<AINodeStorage> nodeStorage, bool allowBypassObjects)
	{
		std::vector<std::shared_ptr<IPathfindingRule>> rules = {
			std::make_shared<AILayerTransitionRule>(aiNk, nodeStorage),
			std::make_shared<DestinationActionRule>(),
			std::make_shared<AIMovementToDestinationRule>(nodeStorage, allowBypassObjects, *aiNk->cc),
			std::make_shared<MovementCostRule>(),
			std::make_shared<AIPreviousNodeRule>(nodeStorage),
			std::make_shared<AIMovementAfterDestinationRule>(aiNk, nodeStorage, allowBypassObjects)
		};

		return rules;
	}

	AIPathfinderConfig::AIPathfinderConfig(Nullkiller * aiNk, std::shared_ptr<AINodeStorage> nodeStorage, bool allowBypassObjects)
		: PathfinderConfig(nodeStorage, *aiNk->cc, makeRuleset(aiNk->cc.get(), aiNk, nodeStorage, allowBypassObjects)), aiNodeStorage(nodeStorage)
	{
		options.canUseCast = true;
		options.allowLayerTransitioningAfterBattle = true;
		options.useTeleportWhirlpool = true;
		options.forceUseTeleportWhirlpool = true;
		options.useTeleportOneWay = aiNk->settings->isOneWayMonolithUsageAllowed();
		options.useTeleportOneWayRandom = aiNk->settings->isOneWayMonolithUsageAllowed();
	}

	AIPathfinderConfig::~AIPathfinderConfig() = default;

	CPathfinderHelper * AIPathfinderConfig::getOrCreatePathfinderHelper(const PathNodeInfo & source, const IGameInfoCallback & gameInfo)
	{
		auto hero = aiNodeStorage->getHero(source.node);
		auto & helper = pathfindingHelpers[hero];

		if(!helper)
		{
			helper.reset(new CPathfinderHelper(gameInfo, hero, options));
		}

		return helper.get();
	}
}

}