44 lines
2.2 KiB
Rust
44 lines
2.2 KiB
Rust
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use std::any::{TypeId, Any};
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use crate::archetype::ComponentColumn;
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pub trait Bundle {
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// Get a list of type ids that this bundle is storing
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fn types(&self) -> Vec<TypeId>;
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/// Take components into a list.
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/// The return value could be seen as a list of a list of components, but that inner list
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/// only contains a single value to make it easier to add it to an archetype.
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fn take_components(self) -> Vec<Box<dyn ComponentColumn>>;
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}
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macro_rules! impl_bundle_tuple {
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( $(($name: ident, $index: tt))+ ) => (
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impl<$($name: Send + Sync + 'static),+> Bundle for ($($name,)+) {
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fn types(&self) -> Vec<TypeId> {
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vec![$(self.$index.type_id()),+]
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}
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fn take_components(self) -> Vec<Box<dyn ComponentColumn>> {
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vec![$(Box::new(vec![self.$index])),+]
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}
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}
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);
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}
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// hopefully 16 components in a bundle is enough
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impl_bundle_tuple! { (C1, 0) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) (C9, 8) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) (C9, 8) (C10, 9) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) (C9, 8) (C10, 9) (C11, 10) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) (C9, 8) (C10, 9) (C11, 10) (C12, 11) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) (C9, 8) (C10, 9) (C11, 10) (C12, 11) (C13, 12) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) (C9, 8) (C10, 9) (C11, 10) (C12, 11) (C13, 12) (C14, 13) }
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impl_bundle_tuple! { (C1, 0) (C2, 1) (C3, 2) (C4, 3) (C5, 4) (C6, 5) (C7, 6) (C8, 7) (C9, 8) (C10, 9) (C11, 10) (C12, 11) (C13, 12) (C14, 13) (C15, 14) }
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