3 files changed, 21 insertions, 9 deletions
diff --git a/modules/arkit/arkit_interface.h b/modules/arkit/arkit_interface.h
index 5a2c50e213..29e09411ff 100644
--- a/modules/arkit/arkit_interface.h
+++ b/modules/arkit/arkit_interface.h
@@ -44,6 +44,15 @@
 // forward declaration for some needed objects
 class ARKitShader;
 
+#ifdef __OBJC__
+
+typedef ARAnchor GodotARAnchor;
+
+#else
+
+typedef void GodotARAnchor;
+#endif
+
 class ARKitInterface : public XRInterface {
 	GDCLASS(ARKitInterface, XRInterface);
 
@@ -115,8 +124,8 @@ public:
 	virtual void process() override;
 
 	// called by delegate (void * because C++ and Obj-C don't always mix, should really change all platform/iphone/*.cpp files to .mm)
-	void _add_or_update_anchor(void *p_anchor);
-	void _remove_anchor(void *p_anchor);
+	void _add_or_update_anchor(GodotARAnchor *p_anchor);
+	void _remove_anchor(GodotARAnchor *p_anchor);
 
 	ARKitInterface();
 	~ARKitInterface();
diff --git a/modules/arkit/arkit_interface.mm b/modules/arkit/arkit_interface.mm
index 3fb2cc933d..e8fa023ac7 100644
--- a/modules/arkit/arkit_interface.mm
+++ b/modules/arkit/arkit_interface.mm
@@ -306,12 +306,10 @@ void ARKitInterface::uninitialize() {
 		remove_all_anchors();
 
 		if (@available(iOS 11.0, *)) {
-			[ar_session release];
-			ar_session = NULL;
+			ar_session = nil;
 		}
-		[ar_delegate release];
 
-		ar_delegate = NULL;
+		ar_delegate = nil;
 		initialized = false;
 		session_was_started = false;
 	}
@@ -687,7 +685,7 @@ void ARKitInterface::process() {
 	}
 }
 
-void ARKitInterface::_add_or_update_anchor(void *p_anchor) {
+void ARKitInterface::_add_or_update_anchor(GodotARAnchor *p_anchor) {
 	// _THREAD_SAFE_METHOD_
 
 	if (@available(iOS 11.0, *)) {
@@ -749,7 +747,7 @@ void ARKitInterface::_add_or_update_anchor(void *p_anchor) {
 	}
 }
 
-void ARKitInterface::_remove_anchor(void *p_anchor) {
+void ARKitInterface::_remove_anchor(GodotARAnchor *p_anchor) {
 	// _THREAD_SAFE_METHOD_
 
 	if (@available(iOS 11.0, *)) {
@@ -768,7 +766,7 @@ ARKitInterface::ARKitInterface() {
 	plane_detection_is_enabled = false;
 	light_estimation_is_enabled = false;
 	if (@available(iOS 11.0, *)) {
-		ar_session = NULL;
+		ar_session = nil;
 	}
 	z_near = 0.01;
 	z_far = 1000.0;
diff --git a/modules/arkit/register_types.h b/modules/arkit/register_types.h
index 5c697baf68..f8939a1e3f 100644
--- a/modules/arkit/register_types.h
+++ b/modules/arkit/register_types.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef ARKIT_REGISTER_TYPES_H
+#define ARKIT_REGISTER_TYPES_H
+
 void register_arkit_types();
 void unregister_arkit_types();
+
+#endif // ARKIT_REGISTER_TYPES_H