Core/Objects: Method to get nearest GO of type X, FindNearestGameObjectOfType

Thanks Subv for the idea

1 files changed, 24 insertions, 0 deletions

diff --git a/src/server/game/Grids/Notifiers/GridNotifiers.h b/src/server/game/Grids/Notifiers/GridNotifiers.h
index 072db578220..db4dc819557 100755
--- a/src/server/game/Grids/Notifiers/GridNotifiers.h
+++ b/src/server/game/Grids/Notifiers/GridNotifiers.h
@@ -694,6 +694,30 @@ namespace Trinity
             NearestGameObjectEntryInObjectRangeCheck(NearestGameObjectEntryInObjectRangeCheck const&);
     };
 
+    // Success at unit in range, range update for next check (this can be use with GameobjectLastSearcher to find nearest GO with a certain type)
+    class NearestGameObjectTypeInObjectRangeCheck
+    {
+    public:
+        NearestGameObjectTypeInObjectRangeCheck(WorldObject const& obj, GameobjectTypes type, float range) : i_obj(obj), i_type(type), i_range(range) {}
+        bool operator()(GameObject* go)
+        {
+            if (go->GetGoType() == i_type && i_obj.IsWithinDistInMap(go, i_range))
+            {
+                i_range = i_obj.GetDistance(go);        // use found GO range as new range limit for next check
+                return true;
+            }
+            return false;
+        }
+        float GetLastRange() const { return i_range; }
+    private:
+        WorldObject const& i_obj;
+        GameobjectTypes i_type;
+        float  i_range;
+
+        // prevent clone this object
+        NearestGameObjectTypeInObjectRangeCheck(NearestGameObjectTypeInObjectRangeCheck const&);
+    };
+
     class GameObjectWithDbGUIDCheck
     {
         public: