Collection defined.

src/engine/gameManager/BuildingManager.java

@@ -18,6 +18,7 @@ import engine.job.JobContainer;
 import engine.job.JobScheduler;
 import engine.jobs.UpgradeBuildingJob;
 import engine.math.Bounds;
+import engine.math.Vector2f;
 import engine.math.Vector3fImmutable;
 import engine.net.client.ClientConnection;
 import engine.net.client.msg.ErrorPopupMsg;
@@ -38,6 +39,7 @@ public enum BuildingManager {
 
     BUILDINGMANAGER;
 
+    public static HashMap<Integer, ArrayList<ArrayList<Vector2f>>> _hull_data = new HashMap<>();
     public static HashMap<Integer, ArrayList<BuildingLocation>> _stuckLocations = new HashMap<>();
     public static HashMap<Integer, ArrayList<BuildingLocation>> _slotLocations = new HashMap<>();