MC-155077, SPIGOT-5113: EntityTracker desync

nms-patches/PlayerChunkMap.patch

@@ -121,6 +121,15 @@
              this.tracker = entity;
              this.trackingDistance = i;
              this.e = SectionPosition.a(entity);
+@@ -1109,7 +1112,7 @@
+ 
+         public void updatePlayer(EntityPlayer entityplayer) {
+             if (entityplayer != this.tracker) {
+-                Vec3D vec3d = (new Vec3D(entityplayer.locX, entityplayer.locY, entityplayer.locZ)).d(this.trackerEntry.b());
++                Vec3D vec3d = (new Vec3D(entityplayer.locX, entityplayer.locY, entityplayer.locZ)).d(this.tracker.ci()); // MC-155077, SPIGOT-5113 // PAIL getPositionVector
+                 int i = Math.min(this.trackingDistance, (PlayerChunkMap.this.viewDistance - 1) * 16);
+                 boolean flag = vec3d.x >= (double) (-i) && vec3d.x <= (double) i && vec3d.z >= (double) (-i) && vec3d.z <= (double) i && this.tracker.a(entityplayer);
+ 
 @@ -1125,6 +1128,17 @@
                          }
                      }