From 1d28f2552b8e5bdda96940b17f97b1813eeb42dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Moritz=20Br=C3=BCckner?=
 <17685000+MoritzBrueckner@users.noreply.github.com>
Date: Fri, 7 Jul 2023 16:50:26 +0200
Subject: [PATCH] Fix black screen and display warning if referenced group
 doesn't exist

---
 Sources/iron/Scene.hx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Sources/iron/Scene.hx b/Sources/iron/Scene.hx
index f2707903..462de368 100644
--- a/Sources/iron/Scene.hx
+++ b/Sources/iron/Scene.hx
@@ -573,7 +573,7 @@ class Scene {
 			var object = addObject(parent);
 			returnObject(object, o, function(ro: Object) {
 				if (o.group_ref != null) { // Instantiate group objects
-					spawnGroup(format, o.group_ref, ro, function() { done(ro); });
+					spawnGroup(format, o.group_ref, ro, () -> done(ro), () -> done(ro) /* also call done when failed to ensure loading progress */);
 				}
 				else done(ro);
 			});
@@ -586,6 +586,7 @@ class Scene {
 		var object_refs = getGroupObjectRefs(groupRef, format);
 
 		if (object_refs == null) { // Group doesn't exist
+			trace('Failed to spawn group "$groupRef", group doesn\'t exist');
 			if (failed != null) failed();
 		}
 		else if (object_refs.length == 0) {