cloned Nullkiller into Nullkiller2

AI/Nullkiller2/Goals/ExploreNeighbourTile.cpp

@@ -0,0 +1,76 @@
+/*
+* ExploreNeighbourTile.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 "ExploreNeighbourTile.h"
+#include "../AIGateway.h"
+#include "../AIUtility.h"
+#include "../Helpers/ExplorationHelper.h"
+
+
+namespace NKAI
+{
+
+using namespace Goals;
+
+bool ExploreNeighbourTile::operator==(const ExploreNeighbourTile & other) const
+{
+	return false;
+}
+
+void ExploreNeighbourTile::accept(AIGateway * ai)
+{
+	ExplorationHelper h(hero, ai->nullkiller2.get(), true);
+
+	for(int i = 0; i < tilesToExplore && ai->myCb->getObj(hero->id, false) && hero->movementPointsRemaining() > 0; i++)
+	{
+		int3 pos = hero->visitablePos();
+		float value = 0;
+		int3 target = int3(-1);
+		foreach_neighbour(pos, [&](int3 tile)
+			{
+				auto pathInfo = ai->nullkiller2->getPathsInfo(hero)->getPathInfo(tile);
+
+				if(pathInfo->turns > 0)
+					return;
+
+				if(pathInfo->accessible == EPathAccessibility::ACCESSIBLE)
+				{
+					float newValue = h.howManyTilesWillBeDiscovered(tile);
+
+					newValue /= std::min(0.1f, pathInfo->getCost());
+
+					if(newValue > value)
+					{
+						value = newValue;
+						target = tile;
+					}
+				}
+			});
+
+		if(!target.isValid())
+		{
+			return;
+		}
+
+		auto danger = ai->nullkiller2->dangerEvaluator->evaluateDanger(target, hero, true);
+
+		if(danger > 0 || !ai->moveHeroToTile(target, hero))
+		{
+			return;
+		}
+	}
+}
+
+std::string ExploreNeighbourTile::toString() const
+{
+	return "Explore neighbour tiles by " + hero->getNameTranslated();
+}
+
+}