refactor(ecs): move Local to own module

1 files changed, 3 insertions, 81 deletions

diff --git a/ecs/src/component.rs b/ecs/src/component.rs
index c1f8168..7a61f39 100644
--- a/ecs/src/component.rs
+++ b/ecs/src/component.rs
@@ -1,18 +1,13 @@
 use std::any::{Any, TypeId};
 use std::fmt::Debug;
-use std::ops::{Deref, DerefMut};
 
 use seq_macro::seq;
 
 use crate::lock::{Lock, WriteGuard};
-use crate::system::{
-    ComponentRefMut,
-    Input as SystemInput,
-    Param as SystemParam,
-    System,
-};
+use crate::system::{ComponentRefMut, Input as SystemInput};
 use crate::type_name::TypeName;
-use crate::WorldData;
+
+pub mod local;
 
 pub trait Component: SystemInput + Any + TypeName
 {
@@ -131,76 +126,3 @@ macro_rules! inner {
 seq!(C in 0..=64 {
     inner!(C);
 });
-
-/// Holds a component which is local to a single system.
-#[derive(Debug)]
-pub struct Local<'world, LocalComponent: Component>
-{
-    local_component: ComponentRefMut<'world, LocalComponent>,
-}
-
-unsafe impl<'world, LocalComponent> SystemParam<'world> for Local<'world, LocalComponent>
-where
-    LocalComponent: Component,
-{
-    type Flags = ();
-    type Input = LocalComponent;
-
-    fn initialize<SystemImpl>(
-        system: &mut impl System<'world, SystemImpl>,
-        input: Self::Input,
-    )
-    {
-        system.set_local_component(input);
-    }
-
-    fn new<SystemImpl>(
-        system: &'world impl System<'world, SystemImpl>,
-        _world_data: &'world WorldData,
-    ) -> Self
-    {
-        let local_component = system
-            .get_local_component_mut::<LocalComponent>()
-            .expect("Local component is uninitialized");
-
-        Self { local_component }
-    }
-
-    fn is_compatible<Other: SystemParam<'world>>() -> bool
-    {
-        let other_comparable = Other::get_comparable();
-
-        let Some(other_type_id) = other_comparable.downcast_ref::<TypeId>() else {
-            return true;
-        };
-
-        TypeId::of::<LocalComponent>() != *other_type_id
-    }
-
-    fn get_comparable() -> Box<dyn Any>
-    {
-        Box::new(TypeId::of::<LocalComponent>())
-    }
-}
-
-impl<'world, LocalComponent> Deref for Local<'world, LocalComponent>
-where
-    LocalComponent: Component,
-{
-    type Target = LocalComponent;
-
-    fn deref(&self) -> &Self::Target
-    {
-        &self.local_component
-    }
-}
-
-impl<'world, LocalComponent> DerefMut for Local<'world, LocalComponent>
-where
-    LocalComponent: Component,
-{
-    fn deref_mut(&mut self) -> &mut Self::Target
-    {
-        &mut self.local_component
-    }
-}