Merge #121

121: Array/Dictionary addendum and docs, `varray!` macro r=Bromeon a=Bromeon



Co-authored-by: Jan Haller <[email protected]>

Author: bors[bot]

godot-codegen/src/class_generator.rs

@@ -282,6 +282,7 @@ fn make_builtin_class(
 
     let methods = make_builtin_methods(&class.methods, class_name, type_info, ctx);
     let enums = make_enums(&class_enums, class_name, ctx);
+    let special_constructors = make_special_builtin_methods(class_name, ctx);
 
     // mod re_export needed, because class should not appear inside the file module, and we can't re-export private struct as pub
     let tokens = quote! {
@@ -303,7 +304,7 @@ fn make_builtin_class(
                     sys_ptr: outer.sys(),
                 }
             }
-
+            #special_constructors
             #methods
         }
 
@@ -426,6 +427,24 @@ fn make_enums(enums: &Option<Vec<Enum>>, _class_name: &TyName, _ctx: &Context) -
     }
 }
 
+/// Depending on the built-in class, adds custom constructors and methods.
+fn make_special_builtin_methods(class_name: &TyName, _ctx: &Context) -> TokenStream {
+    if class_name.godot_ty == "Array" {
+        quote! {
+            pub fn from_outer_typed<T>(outer: &TypedArray<T>) -> Self
+                where T: crate::builtin::meta::VariantMetadata
+            {
+                Self {
+                    _outer_lifetime: std::marker::PhantomData,
+                    sys_ptr: outer.sys(),
+                }
+            }
+        }
+    } else {
+        TokenStream::new()
+    }
+}
+
 #[cfg(not(feature = "codegen-full"))]
 fn is_type_excluded(ty: &str, ctx: &mut Context) -> bool {
     let is_class_excluded = |class: &str| !crate::SELECTED_CLASSES.contains(&class);