Fixed AI trying to visit tavern over and over.

TODO: AI still can't use it, anyway.

AI/VCAI/VCAI.cpp

@@ -3308,13 +3308,19 @@ bool shouldVisit(HeroPtr h, const CGObjectInstance * obj)
 		case Obj::MAGIC_WELL:
 			return h->mana < h->manaLimit();
 		case Obj::PRISON:
-			return ai->myCb->getHeroesInfo().size() < VLC->modh->settings.MAX_HEROES_ON_MAP_PER_PLAYER;// GameConstants::MAX_HEROES_PER_PLAYER;
-
+			return ai->myCb->getHeroesInfo().size() < VLC->modh->settings.MAX_HEROES_ON_MAP_PER_PLAYER;
+		case Obj::TAVERN:
+		{//TODO: make AI actually recruit heroes
+		 //TODO: only on request
+			return (ai->myCb->getHeroesInfo().size() < VLC->modh->settings.MAX_HEROES_ON_MAP_PER_PLAYER) &&
+				(ai->myCb->getResourceAmount()[Res::GOLD] - GOLD_RESERVE >= GameConstants::HERO_GOLD_COST);
+		}
 		case Obj::BOAT:
 			return false;
 			//Boats are handled by pathfinder
 		case Obj::EYE_OF_MAGI:
 			return false; //this object is useless to visit, but could be visited indefinitely
+
 	}
 
 	if (obj->wasVisited(*h)) //it must pointer to hero instance, heroPtr calls function wasVisited(ui8 player);