From 93f764e1003bb6f35b56b7b91a73ae0ca80282c9 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Sat, 10 Aug 2024 18:50:45 +0200
Subject: refactor(ecs): create archetype lookup entries on-the-go

---
 ecs/src/system/stateful.rs | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

(limited to 'ecs/src/system/stateful.rs')

diff --git a/ecs/src/system/stateful.rs b/ecs/src/system/stateful.rs
index dd0c5e1..99b56c1 100644
--- a/ecs/src/system/stateful.rs
+++ b/ecs/src/system/stateful.rs
@@ -21,7 +21,7 @@ use crate::tuple::{
     TakeOptionElementResult as TupleTakeOptionElementResult,
     WithOptionElements as TupleWithOptionElements,
 };
-use crate::{World, WorldData};
+use crate::World;
 
 /// A stateful system.
 pub struct Stateful<Func>
@@ -85,13 +85,6 @@ macro_rules! impl_system {
                     self
                 }
 
-                fn prepare(&self, world_data: &WorldData)
-                {
-                    #(
-                        TParam~I::prepare(world_data);
-                    )*
-                }
-
                 fn run<'this>(&'this self, world: &'world World)
                 where
                     'this: 'world
@@ -124,19 +117,6 @@ macro_rules! impl_system {
 
                             me.run(world);
                         }),
-                        prepare: Box::new(|data, world| {
-                            // SAFETY: The caller of TypeErased::run ensures the lifetime
-                            // is correct
-                            let data = unsafe { &*std::ptr::from_ref::<dyn Any>(data) };
-
-                            let me = data.downcast_ref::<Self>().unwrap();
-
-                            // SAFETY: The caller of TypeErased::run ensures the lifetime
-                            // is correct
-                            let world = unsafe { &*std::ptr::from_ref(world) };
-
-                            me.prepare(world);
-                        }),
                     }
                 }
 
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