From c35fcb4d163bf64c2405fa8394c30c64e7904f6c Mon Sep 17 00:00:00 2001
From: Armin Roider-Kubat <armin.roider-kubat@xerox.com>
Date: Fri, 28 Jun 2024 15:49:00 +0200
Subject: [PATCH] writing ShouldTargetBeExported function with cusotm
 acriveInHierachy check. gameObject.activeInHierarchy will return false if the
 GameObject is a prefab and not instantiated in the scene

---
 .../SceneExporter/ExporterAnimation.cs        | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Runtime/Scripts/SceneExporter/ExporterAnimation.cs b/Runtime/Scripts/SceneExporter/ExporterAnimation.cs
index 3c6bb46ea..aeac5943d 100644
--- a/Runtime/Scripts/SceneExporter/ExporterAnimation.cs
+++ b/Runtime/Scripts/SceneExporter/ExporterAnimation.cs
@@ -779,7 +779,7 @@ private void ConvertClipToGLTFAnimation(AnimationClip clip, Transform transform,
 					Transform targetTr = target.Length > 0 ? transform.Find(target) : transform;
 					int newTargetId = targetTr ? GetTransformIndex(targetTr) : -1;
 
-					var targetTrShouldNotBeExported = targetTr && !targetTr.gameObject.activeInHierarchy && !settings.ExportDisabledGameObjects;
+					var targetTrShouldNotBeExported = !ShouldTargetBeExported(targetTr);
 
 					if (hadAlreadyExportedThisBindingBefore && newTargetId < 0)
 					{
@@ -1191,6 +1191,23 @@ private void CollectClipCurves(GameObject root, AnimationClip clip, Dictionary<s
 #endif
 		}
 
+        private bool ShouldTargetBeExported(Transform transform)
+        {
+            if (!transform) return false;
+            if (settings.ExportDisabledGameObjects) return true;
+
+            //Custom activeInHierarchy check.
+            //gameObject.activeInHierarchy will return false if the GameObject is a prefab and not instantiated in the scene
+            var root = transform.root;
+            var current = transform;
+            while (current != root)
+            {
+                if (!current.gameObject.activeSelf) return false;
+                current = current.parent;
+            }
+            return true;
+        }
+
 		private void GenerateMissingCurves(float endTime, Transform tr, ref Dictionary<string, TargetCurveSet> targetCurvesBinding)
 		{
 			var keyList = targetCurvesBinding.Keys.ToList();