diff options
Diffstat (limited to 'ecs/src/query/term.rs')
| -rw-r--r-- | ecs/src/query/term.rs | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/ecs/src/query/term.rs b/ecs/src/query/term.rs deleted file mode 100644 index 0683918..0000000 --- a/ecs/src/query/term.rs +++ /dev/null @@ -1,116 +0,0 @@ -use std::any::type_name; -use std::marker::PhantomData; - -use crate::component::{ - Component, - Handle as ComponentHandle, - HandleMut as ComponentHandleMut, -}; -use crate::query::{ - TermWithField, - TermWithoutField, - TermsBuilder, - TermsBuilderInterface, -}; -use crate::uid::With as WithUid; - -pub struct With<WithUidT> -where - WithUidT: WithUid, -{ - _pd: PhantomData<WithUidT>, -} - -impl<WithUidT> TermWithoutField for With<WithUidT> -where - WithUidT: WithUid, -{ - fn apply_to_terms_builder<const MAX_TERM_CNT: usize>( - terms_builder: &mut TermsBuilder<MAX_TERM_CNT>, - ) - { - terms_builder.with::<WithUidT>(); - } -} - -pub struct Without<WithUidT> -where - WithUidT: WithUid, -{ - _pd: PhantomData<WithUidT>, -} - -impl<WithUidT> TermWithoutField for Without<WithUidT> -where - WithUidT: WithUid, -{ - fn apply_to_terms_builder<const MAX_TERM_CNT: usize>( - terms_builder: &mut TermsBuilder<MAX_TERM_CNT>, - ) - { - terms_builder.without::<WithUidT>(); - } -} - -impl<ComponentT: Component> TermWithField for Option<&ComponentT> -{ - type Field<'a> = Option<ComponentHandle<'a, ComponentT>>; - - fn apply_to_terms_builder<const MAX_TERM_CNT: usize>( - _terms_builder: &mut TermsBuilder<MAX_TERM_CNT>, - ) - { - } - - fn get_field<'world>( - entity_handle: &crate::entity::Handle<'world>, - _world: &'world crate::World, - ) -> Self::Field<'world> - { - Some( - ComponentHandle::<'world, ComponentT>::from_entity_component_ref( - &entity_handle - .get_matching_components(ComponentT::id()) - .next()?, - ) - .unwrap_or_else(|err| { - panic!( - "Creating handle to component {} failed: {err}", - type_name::<ComponentT>() - ); - }), - ) - } -} - -impl<ComponentT: Component> TermWithField for Option<&mut ComponentT> -{ - type Field<'a> = Option<ComponentHandleMut<'a, ComponentT>>; - - fn apply_to_terms_builder<const MAX_TERM_CNT: usize>( - _terms_builder: &mut TermsBuilder<MAX_TERM_CNT>, - ) - { - } - - fn get_field<'world>( - entity_handle: &crate::entity::Handle<'world>, - world: &'world crate::World, - ) -> Self::Field<'world> - { - Some( - ComponentHandleMut::<'world, ComponentT>::from_entity_component_ref( - &entity_handle - .get_matching_components(ComponentT::id()) - .next()?, - world, - ) - .unwrap_or_else(|err| { - panic!( - "Creating handle to component {} failed: {err}", - type_name::<ComponentT>() - ); - }), - ) - } -} |
