From 8fbb7cf79535a2b382d57ce2a094d4cbee316fd1 Mon Sep 17 00:00:00 2001
From: David Snopek <dsnopek@gmail.com>
Date: Tue, 30 Jan 2024 11:25:25 -0600
Subject: Allow GDExtensions to register virtual methods and call them on
 scripts

---
 include/godot_cpp/classes/wrapped.hpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'include/godot_cpp/classes')

diff --git a/include/godot_cpp/classes/wrapped.hpp b/include/godot_cpp/classes/wrapped.hpp
index 32caf39..25a93df 100644
--- a/include/godot_cpp/classes/wrapped.hpp
+++ b/include/godot_cpp/classes/wrapped.hpp
@@ -36,6 +36,7 @@
 #include <godot_cpp/core/property_info.hpp>
 
 #include <godot_cpp/templates/list.hpp>
+#include <godot_cpp/templates/vector.hpp>
 
 #include <godot_cpp/godot.hpp>
 
@@ -107,6 +108,26 @@ public:
 	GodotObject *_owner = nullptr;
 };
 
+_FORCE_INLINE_ void snarray_add_str(Vector<StringName> &arr) {
+}
+
+_FORCE_INLINE_ void snarray_add_str(Vector<StringName> &arr, const StringName &p_str) {
+	arr.push_back(p_str);
+}
+
+template <class... P>
+_FORCE_INLINE_ void snarray_add_str(Vector<StringName> &arr, const StringName &p_str, P... p_args) {
+	arr.push_back(p_str);
+	snarray_add_str(arr, p_args...);
+}
+
+template <class... P>
+_FORCE_INLINE_ Vector<StringName> snarray(P... p_args) {
+	Vector<StringName> arr;
+	snarray_add_str(arr, p_args...);
+	return arr;
+}
+
 namespace internal {
 
 GDExtensionPropertyInfo *create_c_property_list(const ::godot::List<::godot::PropertyInfo> &plist_cpp, uint32_t *r_size);
@@ -445,4 +466,14 @@ private:
 // Don't use this for your classes, use GDCLASS() instead.
 #define GDEXTENSION_CLASS(m_class, m_inherits) GDEXTENSION_CLASS_ALIAS(m_class, m_class, m_inherits)
 
+#define GDVIRTUAL_CALL(m_name, ...) _gdvirtual_##m_name##_call<false>(__VA_ARGS__)
+#define GDVIRTUAL_CALL_PTR(m_obj, m_name, ...) m_obj->_gdvirtual_##m_name##_call<false>(__VA_ARGS__)
+
+#define GDVIRTUAL_REQUIRED_CALL(m_name, ...) _gdvirtual_##m_name##_call<true>(__VA_ARGS__)
+#define GDVIRTUAL_REQUIRED_CALL_PTR(m_obj, m_name, ...) m_obj->_gdvirtual_##m_name##_call<true>(__VA_ARGS__)
+
+#define GDVIRTUAL_BIND(m_name, ...) ::godot::ClassDB::add_virtual_method(get_class_static(), _gdvirtual_##m_name##_get_method_info(), ::godot::snarray(__VA_ARGS__));
+#define GDVIRTUAL_IS_OVERRIDDEN(m_name) _gdvirtual_##m_name##_overridden()
+#define GDVIRTUAL_IS_OVERRIDDEN_PTR(m_obj, m_name) m_obj->_gdvirtual_##m_name##_overridden()
+
 #endif // GODOT_WRAPPED_HPP
-- 
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