--- a/net/minecraft/server/ShapeDetectorShape.java
+++ b/net/minecraft/server/ShapeDetectorShape.java
@@ -6,8 +6,12 @@
     public final Vec3D velocity;
     public final float yaw;
     public final float pitch;
+    // CraftBukkit start
+    public final WorldServer world;
 
-    public ShapeDetectorShape(Vec3D vec3d, Vec3D vec3d1, float f, float f1) {
+    public ShapeDetectorShape(Vec3D vec3d, Vec3D vec3d1, float f, float f1, WorldServer world) {
+        this.world = world;
+        // CraftBukkit end
         this.position = vec3d;
         this.velocity = vec3d1;
         this.yaw = f;