Big update.

src/strategy/values/NearestGameObjects.cpp

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#include "NearestGameObjects.h"
+#include "CellImpl.h"
+#include "GridNotifiers.h"
+#include "GridNotifiersImpl.h"
+#include "Playerbots.h"
+
+class AnyGameObjectInObjectRangeCheck
+{
+    public:
+        AnyGameObjectInObjectRangeCheck(WorldObject const* obj, float range) : i_obj(obj), i_range(range) { }
+        WorldObject const& GetFocusObject() const { return *i_obj; }
+        bool operator()(GameObject* u)
+        {
+            if (u && i_obj->IsWithinDistInMap(u, i_range) && u->isSpawned() && u->GetGOInfo())
+                return true;
+
+            return false;
+        }
+
+    private:
+        WorldObject const* i_obj;
+        float i_range;
+};
+
+GuidVector NearestGameObjects::Calculate()
+{
+    std::list<GameObject*> targets;
+    AnyGameObjectInObjectRangeCheck u_check(bot, range);
+    Acore::GameObjectListSearcher<AnyGameObjectInObjectRangeCheck> searcher(bot, targets, u_check);
+    Cell::VisitAllObjects(bot, searcher, range);
+
+    GuidVector result;
+    for (GameObject* go : targets)
+    {
+        if (ignoreLos || bot->IsWithinLOSInMap(go))
+			result.push_back(go->GetGUID());
+    }
+
+    return result;
+}