Merge pull request #465 from lilizoey/fix/use-latest-preview-build

Fix custom callable no longer working on latest Godot master

Author: Bromeon

godot-core/Cargo.toml

@@ -11,7 +11,10 @@ categories = ["game-engines", "graphics"]
 default = []
 codegen-fmt = ["godot-ffi/codegen-fmt", "godot-codegen/codegen-fmt"]
 codegen-full = ["godot-codegen/codegen-full"]
-codegen-lazy-fptrs = ["godot-ffi/codegen-lazy-fptrs", "godot-codegen/codegen-lazy-fptrs"]
+codegen-lazy-fptrs = [
+    "godot-ffi/codegen-lazy-fptrs",
+    "godot-codegen/codegen-lazy-fptrs",
+]
 custom-godot = ["godot-ffi/custom-godot", "godot-codegen/custom-godot"]
 double-precision = ["godot-codegen/double-precision"]
 experimental-godot-api = ["godot-codegen/experimental-godot-api"]

godot-core/src/builtin/callable.rs

@@ -53,6 +53,23 @@ impl Callable {
         }
     }
 
+    #[cfg(since_api = "4.2")]
+    fn default_callable_custom_info() -> sys::GDExtensionCallableCustomInfo {
+        sys::GDExtensionCallableCustomInfo {
+            callable_userdata: ptr::null_mut(),
+            token: ptr::null_mut(),
+            object_id: 0,
+            call_func: None,
+            is_valid_func: None, // could be customized, but no real use case yet.
+            free_func: None,
+            hash_func: None,
+            equal_func: None,
+            // Op < is only used in niche scenarios and default is usually good enough, see https://github.com/godotengine/godot/issues/81901.
+            less_than_func: None,
+            to_string_func: None,
+        }
+    }
+
     /// Create a callable from a Rust function or closure.
     ///
     /// `name` is used for the string representation of the closure, which helps debugging.
@@ -83,16 +100,10 @@ impl Callable {
 
         let info = sys::GDExtensionCallableCustomInfo {
             callable_userdata: Box::into_raw(Box::new(userdata)) as *mut std::ffi::c_void,
-            token: ptr::null_mut(),
-            object: ptr::null_mut(),
             call_func: Some(rust_callable_call_fn::<F>),
-            is_valid_func: None, // could be customized, but no real use case yet.
             free_func: Some(rust_callable_destroy::<FnWrapper<F>>),
-            hash_func: None,
-            equal_func: None,
-            // Op < is only used in niche scenarios and default is usually good enough, see https://github.com/godotengine/godot/issues/81901.
-            less_than_func: None,
             to_string_func: Some(rust_callable_to_string_named::<F>),
+            ..Self::default_callable_custom_info()
         };
 
         Self::from_custom_info(info)
@@ -110,16 +121,12 @@ impl Callable {
 
         let info = sys::GDExtensionCallableCustomInfo {
             callable_userdata: Box::into_raw(Box::new(userdata)) as *mut std::ffi::c_void,
-            token: ptr::null_mut(),
-            object: ptr::null_mut(),
             call_func: Some(rust_callable_call_custom::<C>),
-            is_valid_func: None, // could be customized, but no real use case yet.
             free_func: Some(rust_callable_destroy::<C>),
             hash_func: Some(rust_callable_hash::<C>),
             equal_func: Some(rust_callable_equal::<C>),
-            // Op < is only used in niche scenarios and default is usually good enough, see https://github.com/godotengine/godot/issues/81901.
-            less_than_func: None,
             to_string_func: Some(rust_callable_to_string_display::<C>),
+            ..Self::default_callable_custom_info()
         };
 
         Self::from_custom_info(info)