3 files changed, 29 insertions, 45 deletions

diff --git a/core/variant/binder_common.h b/core/variant/binder_common.h
index 14f49d530c..b6fdb4d902 100644
--- a/core/variant/binder_common.h
+++ b/core/variant/binder_common.h
@@ -44,24 +44,42 @@
 
 #include <stdio.h>
 
+// Variant cannot define an implicit cast operator for every Object subclass, so the
+// casting is done here, to allow binding methods with parameters more specific than Object *
+
 template <class T>
 struct VariantCaster {
 	static _FORCE_INLINE_ T cast(const Variant &p_variant) {
-		return p_variant;
+		using TStripped = std::remove_pointer_t<T>;
+		if constexpr (std::is_base_of<Object, TStripped>::value) {
+			return Object::cast_to<TStripped>(p_variant);
+		} else {
+			return p_variant;
+		}
 	}
 };
 
 template <class T>
 struct VariantCaster<T &> {
 	static _FORCE_INLINE_ T cast(const Variant &p_variant) {
-		return p_variant;
+		using TStripped = std::remove_pointer_t<T>;
+		if constexpr (std::is_base_of<Object, TStripped>::value) {
+			return Object::cast_to<TStripped>(p_variant);
+		} else {
+			return p_variant;
+		}
 	}
 };
 
 template <class T>
 struct VariantCaster<const T &> {
 	static _FORCE_INLINE_ T cast(const Variant &p_variant) {
-		return p_variant;
+		using TStripped = std::remove_pointer_t<T>;
+		if constexpr (std::is_base_of<Object, TStripped>::value) {
+			return Object::cast_to<TStripped>(p_variant);
+		} else {
+			return p_variant;
+		}
 	}
 };
 
@@ -135,7 +153,13 @@ struct PtrToArg<char32_t> {
 template <typename T>
 struct VariantObjectClassChecker {
 	static _FORCE_INLINE_ bool check(const Variant &p_variant) {
-		return true;
+		using TStripped = std::remove_pointer_t<T>;
+		if constexpr (std::is_base_of<Object, TStripped>::value) {
+			Object *obj = p_variant;
+			return Object::cast_to<TStripped>(p_variant) || !obj;
+		} else {
+			return true;
+		}
 	}
 };
 
@@ -151,24 +175,6 @@ struct VariantObjectClassChecker<const Ref<T> &> {
 	}
 };
 
-template <>
-struct VariantObjectClassChecker<Node *> {
-	static _FORCE_INLINE_ bool check(const Variant &p_variant) {
-		Object *obj = p_variant;
-		Node *node = p_variant;
-		return node || !obj;
-	}
-};
-
-template <>
-struct VariantObjectClassChecker<Control *> {
-	static _FORCE_INLINE_ bool check(const Variant &p_variant) {
-		Object *obj = p_variant;
-		Control *control = p_variant;
-		return control || !obj;
-	}
-};
-
 #ifdef DEBUG_METHODS_ENABLED
 
 template <class T>
diff --git a/core/variant/variant.cpp b/core/variant/variant.cpp
index db198da54a..b85d7641f0 100644
--- a/core/variant/variant.cpp
+++ b/core/variant/variant.cpp
@@ -38,8 +38,6 @@
 #include "core/math/math_funcs.h"
 #include "core/string/print_string.h"
 #include "core/variant/variant_parser.h"
-#include "scene/gui/control.h"
-#include "scene/main/node.h"
 
 String Variant::get_type_name(Variant::Type p_type) {
 	switch (p_type) {
@@ -2006,22 +2004,6 @@ Object *Variant::get_validated_object() const {
 	}
 }
 
-Variant::operator Node *() const {
-	if (type == OBJECT) {
-		return Object::cast_to<Node>(_get_obj().obj);
-	} else {
-		return nullptr;
-	}
-}
-
-Variant::operator Control *() const {
-	if (type == OBJECT) {
-		return Object::cast_to<Control>(_get_obj().obj);
-	} else {
-		return nullptr;
-	}
-}
-
 Variant::operator Dictionary() const {
 	if (type == DICTIONARY) {
 		return *reinterpret_cast<const Dictionary *>(_data._mem);
@@ -3416,7 +3398,7 @@ String Variant::get_call_error_text(Object *p_base, const StringName &p_method,
 	}
 
 	String class_name = p_base->get_class();
-	Ref<Script> script = p_base->get_script();
+	Ref<Resource> script = p_base->get_script();
 	if (script.is_valid() && script->get_path().is_resource_file()) {
 		class_name += "(" + script->get_path().get_file() + ")";
 	}
diff --git a/core/variant/variant.h b/core/variant/variant.h
index 0860e7fdc3..ad7a3d0ef3 100644
--- a/core/variant/variant.h
+++ b/core/variant/variant.h
@@ -53,8 +53,6 @@
 #include "core/variant/dictionary.h"
 
 class Object;
-class Node; // helper
-class Control; // helper
 
 struct PropertyInfo;
 struct MethodInfo;
@@ -339,8 +337,6 @@ public:
 	operator ::RID() const;
 
 	operator Object *() const;
-	operator Node *() const;
-	operator Control *() const;
 
 	operator Callable() const;
 	operator Signal() const;