feat!: change LdtkEntity's #[with] attribute to borrow EntityInstance (…

…#158)

fix!: pass EntityInstance as ref to with function instead of cloning

macros/src/ldtk_entity.rs

@@ -340,7 +340,7 @@ fn expand_with_attribute(
             match nested.first().unwrap() {
                 syn::NestedMeta::Meta(syn::Meta::Path(path)) => {
                     quote! {
-                        #field_name: #path(entity_instance.clone()),
+                        #field_name: #path(entity_instance),
                     }
                 }
                 _ => panic!("Expected function as the only argument of #[with(...)]"),

src/app/ldtk_entity.rs

@@ -252,7 +252,7 @@ use std::{collections::HashMap, marker::PhantomData};
 /// Indicates that this component or bundle should be initialized with the given
 /// function.
 ///
-/// Note: The given function should have signature `fn (entity: EntityInstance) -> T`
+/// Note: The given function should have signature `fn (entity: &EntityInstance) -> T`
 /// where `T` is the field type. The function should also be accessible in the scope.
 ///
 /// ```
@@ -275,7 +275,7 @@ use std::{collections::HashMap, marker::PhantomData};
 ///     collider: InventoryBundle,
 /// }
 ///
-/// fn player_initial_inventory(_: EntityInstance) -> InventoryBundle {
+/// fn player_initial_inventory(_: &EntityInstance) -> InventoryBundle {
 ///     InventoryBundle {
 ///         money: Money(4.0)
 ///     }