use crate::all_storages::AllStorages;
use crate::component::Component;
use crate::entity_id::EntityId;
use crate::sparse_set::SparseSet;
use crate::storage::StorageId;
#[cfg(doc)]
use crate::world::World;
pub trait TupleRemove {
#[allow(missing_docs)]
type Out;
fn remove(all_storages: &mut AllStorages, entity: EntityId) -> Self::Out;
}
impl<T: Send + Sync + Component> TupleRemove for T {
type Out = Option<T>;
#[inline]
fn remove(all_storages: &mut AllStorages, entity: EntityId) -> Self::Out {
let current = all_storages.get_current();
all_storages
.exclusive_storage_or_insert_mut(StorageId::of::<SparseSet<T>>(), SparseSet::new)
.dyn_remove(entity, current)
}
}
macro_rules! impl_remove_component {
($(($type: ident, $index: tt))+) => {
impl<$($type: Send + Sync + Component,)+> TupleRemove for ($($type,)+) {
type Out = ($(Option<$type>,)+);
fn remove(all_storages: &mut AllStorages, entity: EntityId) -> Self::Out {
let current = all_storages.get_current();
($(
all_storages
.exclusive_storage_or_insert_mut(StorageId::of::<SparseSet<$type>>(), SparseSet::new)
.dyn_remove(entity, current),
)+)
}
}
};
}
macro_rules! remove_component {
($(($type: ident, $index: tt))*;($type1: ident, $index1: tt) $(($queue_type: ident, $queue_index: tt))*) => {
impl_remove_component![$(($type, $index))*];
remove_component![$(($type, $index))* ($type1, $index1); $(($queue_type, $queue_index))*];
};
($(($type: ident, $index: tt))*;) => {
impl_remove_component![$(($type, $index))*];
}
}
#[cfg(not(feature = "extended_tuple"))]
remove_component![(A, 0); (B, 1) (C, 2) (D, 3) (E, 4) (F, 5) (G, 6) (H, 7) (I, 8) (J, 9)];
#[cfg(feature = "extended_tuple")]
remove_component![
(A, 0); (B, 1) (C, 2) (D, 3) (E, 4) (F, 5) (G, 6) (H, 7) (I, 8) (J, 9)
(K, 10) (L, 11) (M, 12) (N, 13) (O, 14) (P, 15) (Q, 16) (R, 17) (S, 18) (T, 19)
(U, 20) (V, 21) (W, 22) (X, 23) (Y, 24) (Z, 25) (AA, 26) (BB, 27) (CC, 28) (DD, 29)
(EE, 30) (FF, 31)
];