Create GDExtension clases for PhysicsServer3D

* Allows creating a GDExtension based 3D Physics Server (for Bullet, PhysX, etc. support)
* Some changes on native struct binding for PhysicsServer

This allows a 3D Physics server created entirely from GDExtension. Once it works, the idea is to port the 2D one to it.

1 files changed, 6 insertions, 0 deletions

diff --git a/core/extension/gdnative_interface.cpp b/core/extension/gdnative_interface.cpp
index d9ec42dc9d..d0461611ec 100644
--- a/core/extension/gdnative_interface.cpp
+++ b/core/extension/gdnative_interface.cpp
@@ -60,6 +60,10 @@ static void gdnative_print_script_error(const char *p_description, const char *p
 	_err_print_error(p_function, p_file, p_line, p_description, false, ERR_HANDLER_SCRIPT);
 }
 
+uint64_t gdnative_get_native_struct_size(const char *p_name) {
+	return ClassDB::get_native_struct_size(p_name);
+}
+
 // Variant functions
 
 static void gdnative_variant_new_copy(GDNativeVariantPtr r_dest, const GDNativeVariantPtr p_src) {
@@ -902,6 +906,8 @@ void gdnative_setup_interface(GDNativeInterface *p_interface) {
 	gdni.print_warning = gdnative_print_warning;
 	gdni.print_script_error = gdnative_print_script_error;
 
+	gdni.get_native_struct_size = gdnative_get_native_struct_size;
+
 	/* GODOT VARIANT */
 
 	// variant general