Location world reference

core/src/main/java/mc/core/Location.java

@@ -4,15 +4,16 @@
  */
 package mc.core;
 
-import lombok.AllArgsConstructor;
 import lombok.Data;
+import mc.core.world.World;
 
 import java.io.Serializable;
+import java.lang.ref.WeakReference;
 
-@AllArgsConstructor
 @Data
 public class Location implements Serializable{
     private double x, y, z;
+    private WeakReference<World> world;
 
     private static int floor_double(double value) {
         int i = (int)value;
@@ -23,16 +24,35 @@ public class Location implements Serializable{
         return new Location(
                 location.x,
                 location.y,
-                location.z
+                location.z,
+                location.getWorld()
         );
     }
 
+    public Location (double x, double y, double z, World world) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.world = new WeakReference<>(world);
+    }
+
+    public Location (double x, double y, double z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+
     public static Location startPointLocation () {
-        return new Location(0,10,0);
+        return new Location(0,10,0, null);
     }
 
     public Location(long compactValue) {
         set(compactValue);
+        this.world = new WeakReference<>(null);
+    }
+
+    public Location(long compactValue, World world) {
+        set(compactValue);
     }
 
     public void set(Location location) {
@@ -51,7 +71,8 @@ public class Location implements Serializable{
         return new Location(
                 this.x - location.x,
                 this.y - location.y,
-                this.z - location.z
+                this.z - location.z,
+                this.getWorld().equals(location.getWorld()) ? this.getWorld() : null
         );
     }
 
@@ -72,4 +93,12 @@ public class Location implements Serializable{
                 | ((floor_double(y) & 0xFFF) << 26)
                 | (floor_double(z) & 0x3FFFFFF);
     }
+
+    public World getWorld () {
+        return this.world.get();
+    }
+
+    public void setWorld (World world) {
+        this.world = new WeakReference<>(world);
+    }
 }