feat(ecs): add fn to prepare world without using the event_loop fn

1 files changed, 13 insertions, 5 deletions

diff --git a/ecs/src/lib.rs b/ecs/src/lib.rs
index 95519c9..741b555 100644
--- a/ecs/src/lib.rs
+++ b/ecs/src/lib.rs
@@ -176,17 +176,25 @@ impl World
         }
     }
 
-    /// A event loop which runs until a stop is issued with [`Flags::stop`].
-    ///
-    /// # Panics
-    /// Will panic if a internal lock cannot be acquired.
-    pub fn event_loop<EventSeq: EventSequence>(&self)
+    /// Prepares the world. Should be called before manually emitting events and after
+    /// creating entities, registering systems & adding extensions. You do not need to
+    /// call this function if you use [`event_loop`].
+    pub fn prepare(&self)
     {
         self.data
             .component_storage
             .write_nonblock()
             .expect("Failed to acquire read-write component storage lock")
             .make_archetype_lookup_entries();
+    }
+
+    /// A event loop which runs until a stop is issued with [`Flags::stop`].
+    ///
+    /// # Panics
+    /// Will panic if a internal lock cannot be acquired.
+    pub fn event_loop<EventSeq: EventSequence>(&self)
+    {
+        self.prepare();
 
         let event_seq = EventSeq::ids();