diff options
Diffstat (limited to 'ecs/src/component.rs')
-rw-r--r-- | ecs/src/component.rs | 84 |
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 - } -} |