Don't load entities with the same UUID as the client

src/client.rs

@@ -962,8 +962,13 @@ impl Client {
         world.spatial_index.query::<_, _, ()>(
             |bb| bb.projected_point(pos).distance(pos) <= view_dist as f64 * 16.0,
             |id, _| {
-                let entity = entities.get(id).unwrap();
+                let entity = entities
-                if entity.typ() != EntityType::Marker && self.loaded_entities.insert(id) {
+                    .get(id)
+                    .expect("entities in spatial index should be valid");
+                if entity.typ() != EntityType::Marker
+                    && entity.uuid() != self.uuid
+                    && self.loaded_entities.insert(id)
+                {
                     self.send_packet(
                         entity
                             .spawn_packet(id)

src/entity.rs

@@ -310,6 +310,10 @@ impl Entity {
         self.flags.set_on_ground(on_ground);
     }
 
+    pub fn uuid(&self) -> Uuid {
+        self.uuid
+    }
+
     pub fn push_event(&mut self, event: EntityEvent) {
         self.events.push(event);
     }

src/server.rs

@@ -426,16 +426,7 @@ fn join_player(server: &mut Server, msg: NewClientMessage) {
 
     let client = Client::new(c2s_packet_channels, &server.shared, msg.ncd);
 
-    if server.entities.get_with_uuid(client.uuid()).is_none() {
     server.clients.insert(client);
-    } else {
-        log::warn!(
-            "client '{}' cannot join the server because their UUID ({}) conflicts with an \
-             existing entity",
-            client.username(),
-            client.uuid()
-        );
-    }
 }
 
 struct Codec {