From 21c582507ae2dc9d264c80719e39ac47d3b0122b Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Wed, 28 Feb 2024 22:30:38 +0100
Subject: refactor(ecs): use better system input type filtering solution

---
 ecs/src/system/stateful.rs | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

(limited to 'ecs/src/system')

diff --git a/ecs/src/system/stateful.rs b/ecs/src/system/stateful.rs
index 9b2f279..54f9807 100644
--- a/ecs/src/system/stateful.rs
+++ b/ecs/src/system/stateful.rs
@@ -6,15 +6,13 @@ use seq_macro::seq;
 
 use crate::component::Component;
 use crate::system::util::check_params_are_compatible;
-use crate::system::{
-    FilteredInputs,
-    InputFilter,
-    Into as IntoSystem,
-    OptionInputs,
-    Param,
-    System,
-    TakeOptionInputResult,
-    TypeErased,
+use crate::system::{Into as IntoSystem, Param, System, TypeErased};
+use crate::tuple::{
+    Filter as TupleFilter,
+    FilterExclude as TupleFilterExclude,
+    IntoInOptions as TupleIntoInOptions,
+    TakeOptionElementResult as TupleTakeOptionElementResult,
+    WithOptionElements as TupleWithOptionElements,
 };
 use crate::ComponentStorage;
 
@@ -34,25 +32,28 @@ macro_rules! impl_system {
                 Func: Fn(#(TParam~I,)*) + Copy + 'static,
                 #(TParam~I: Param<'world>,)*
                 #(TParam~I::Input: 'static,)*
-                (#(TParam~I::Input,)*): InputFilter
+                (#(TParam~I::Input,)*): TupleFilter,
+                <(#(TParam~I::Input,)*) as TupleFilter>::Out: TupleIntoInOptions
             {
-                type Input = <(#(TParam~I::Input,)*) as InputFilter>::Filtered;
+                type Input = <(#(TParam~I::Input,)*) as TupleFilter>::Out;
 
                 fn initialize(mut self, input: Self::Input) -> Self
                 {
                     let mut option_input = input.into_in_options();
 
                     #(
-                        if TypeId::of::<TParam~I::Input>() != TypeId::of::<()>() {
+                        if TypeId::of::<TParam~I::Input>() !=
+                            TypeId::of::<TupleFilterExclude>()
+                        {
                             let input = match option_input.take::<TParam~I::Input>() {
-                                TakeOptionInputResult::Found(input) => input,
-                                TakeOptionInputResult::NotFound => {
+                                TupleTakeOptionElementResult::Found(input) => input,
+                                TupleTakeOptionElementResult::NotFound => {
                                     panic!(
                                         "Parameter input {} not found",
                                         type_name::<TParam~I::Input>()
                                     );
                                 }
-                                TakeOptionInputResult::AlreadyTaken => {
+                                TupleTakeOptionElementResult::AlreadyTaken => {
                                     panic!(
                                         concat!(
                                             "Parameter {} is already initialized. ",
-- 
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