cloned Nullkiller into Nullkiller2

AI/Nullkiller2/Goals/BuildThis.cpp

@@ -0,0 +1,65 @@
+/*
+* BuildThis.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 "BuildThis.h"
+#include "../AIGateway.h"
+#include "../AIUtility.h"
+#include "../../../lib/constants/StringConstants.h"
+#include "../../../lib/entities/building/CBuilding.h"
+
+namespace NKAI
+{
+
+using namespace Goals;
+
+BuildThis::BuildThis(BuildingID Bid, const CGTownInstance * tid)
+	: ElementarGoal(Goals::BUILD_STRUCTURE)
+{
+	buildingInfo = BuildingInfo(
+		tid->getTown()->buildings.at(Bid).get(),
+		nullptr,
+		CreatureID::NONE,
+		tid,
+		nullptr);
+
+	bid = Bid.getNum();
+	town = tid;
+}
+
+bool BuildThis::operator==(const BuildThis & other) const
+{
+	return town == other.town && bid == other.bid;
+}
+
+std::string BuildThis::toString() const
+{
+	return "Build " + buildingInfo.name + " in " + town->getNameTranslated();
+}
+
+void BuildThis::accept(AIGateway * ai)
+{
+	auto b = BuildingID(bid);
+
+	if(town)
+	{
+		if(cb->canBuildStructure(town, b) == EBuildingState::ALLOWED)
+		{
+			logAi->debug("Player %d will build %s in town of %s at %s",
+				ai->playerID, town->getTown()->buildings.at(b)->getNameTranslated(), town->getNameTranslated(), town->anchorPos().toString());
+			cb->buildBuilding(town, b);
+
+			return;
+		}
+	}
+
+	throw cannotFulfillGoalException("Cannot build a given structure!");
+}
+
+}