From dcc40c9205e5f4cf484523f97eb12a561d7b2b22 Mon Sep 17 00:00:00 2001 From: HampusM Date: Mon, 9 Dec 2024 14:05:33 +0100 Subject: refactor(ecs): use phases for system ordering --- ecs/src/event.rs | 95 -------------------------------------------------------- 1 file changed, 95 deletions(-) (limited to 'ecs/src/event.rs') diff --git a/ecs/src/event.rs b/ecs/src/event.rs index 1a4edcc..9cea807 100644 --- a/ecs/src/event.rs +++ b/ecs/src/event.rs @@ -1,96 +1 @@ -use std::any::TypeId; -use std::fmt::Debug; -use std::hash::{DefaultHasher, Hash, Hasher}; - -use seq_macro::seq; - pub mod component; - -pub trait Event: Debug + 'static -{ - /// Returns the ID of this event. - #[must_use] - fn id() -> Id - where - Self: Sized, - { - Id::new::(None) - } -} - -pub mod start; - -/// The ID of a [`Event`]. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct Id -{ - inner: TypeId, - extra: Option, -} - -impl Id -{ - #[must_use] - pub fn new(extra: Option) -> Self - where - EventT: Event, - Extra: Hash, - { - Self { - inner: TypeId::of::(), - extra: extra.map(|extra| { - let mut hasher = DefaultHasher::new(); - - extra.hash(&mut hasher); - - hasher.finish() - }), - } - } -} - -pub trait Ids -{ - type Iter<'a>: Iterator - where - Self: 'a; - - fn iter(&self) -> Self::Iter<'_>; -} - -/// A sequence of events. -pub trait Sequence -{ - type Ids: Ids; - - fn ids() -> Self::Ids; -} - -macro_rules! impl_sequence { - ($c: tt) => { - seq!(I in 0..=$c { - impl Ids for [Id; $c + 1] - { - type Iter<'a> = std::slice::Iter<'a, Id>; - - fn iter(&self) -> Self::Iter<'_> { - self.into_iter() - } - } - - impl<#(Event~I: Event,)*> Sequence for (#(Event~I,)*) { - type Ids = [Id; $c + 1]; - - fn ids() -> Self::Ids { - [#( - Event~I::id(), - )*] - } - } - }); - }; -} - -seq!(C in 0..=64 { - impl_sequence!(C); -}); -- cgit v1.2.3-18-g5258