cloned Nullkiller into Nullkiller2

AI/Nullkiller2/Pathfinding/Actions/QuestAction.cpp

@@ -0,0 +1,64 @@
+/*
+* QuestAction.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 "QuestAction.h"
+#include "../../AIGateway.h"
+#include "../../Goals/CompleteQuest.h"
+#include "../../../../lib/mapObjects/CQuest.h"
+
+namespace NKAI
+{
+
+namespace AIPathfinding
+{
+	bool QuestAction::canAct(const Nullkiller2 * ai, const AIPathNode * node) const
+	{
+		return canAct(ai, node->actor->hero);
+	}
+
+	bool QuestAction::canAct(const Nullkiller2 * ai, const AIPathNodeInfo & node) const
+	{
+		return canAct(ai, node.targetHero);
+	}
+
+	bool QuestAction::canAct(const Nullkiller2 * ai, const CGHeroInstance * hero) const
+	{
+		auto object = questInfo.getObject(ai->cb.get());
+		auto quest = questInfo.getQuest(ai->cb.get());
+		if(object->ID == Obj::BORDER_GATE || object->ID == Obj::BORDERGUARD)
+		{
+			return dynamic_cast<const IQuestObject *>(object)->checkQuest(hero);
+		}
+
+		auto notActivated = !object->wasVisited(ai->playerID)
+			&& !quest->activeForPlayers.count(hero->getOwner());
+		
+		return notActivated
+			|| quest->checkQuest(hero);
+	}
+
+	Goals::TSubgoal QuestAction::decompose(const Nullkiller2 * ai, const CGHeroInstance * hero) const
+	{
+		return Goals::sptr(Goals::CompleteQuest(questInfo));
+	}
+
+	void QuestAction::execute(AIGateway * ai, const CGHeroInstance * hero) const
+	{
+		ai->moveHeroToTile(questInfo.getObject(ai->myCb.get())->visitablePos(), hero);
+	}
+
+	std::string QuestAction::toString() const
+	{
+		return "Complete Quest";
+	}
+}
+
+}