1 files changed, 23 insertions, 6 deletions
diff --git a/ecs/src/lib.rs b/ecs/src/lib.rs
index e427150..42cdef3 100644
--- a/ecs/src/lib.rs
+++ b/ecs/src/lib.rs
@@ -142,12 +142,29 @@ impl World
             .drain(..)
         {
             match action {
-                Action::Spawn(components) => self
-                    .data
-                    .component_storage
-                    .write_nonblock()
-                    .expect("Failed to acquire read-write component storage lock")
-                    .push_entity(components),
+                Action::Spawn(components) => {
+                    {
+                        let mut component_storage_lock =
+                            self.data.component_storage.write_nonblock().expect(
+                                "Failed to acquire read-write component storage lock",
+                            );
+
+                        component_storage_lock.push_entity(components);
+                    }
+
+                    for system in &self.systems {
+                        unsafe {
+                            system.prepare(&self.data);
+                        }
+                    }
+
+                    let mut component_storage_lock =
+                        self.data.component_storage.write_nonblock().expect(
+                            "Failed to acquire read-write component storage lock",
+                        );
+
+                    component_storage_lock.make_archetype_lookup_entries();
+                }
                 Action::Stop => {
                     self.stop.store(true, Ordering::Relaxed);
                 }