From b3364522642af474a2f83b4d6098dc6215362984 Mon Sep 17 00:00:00 2001
From: Mister_Nebula <41904486+misternebula@users.noreply.github.com>
Date: Fri, 11 Jun 2021 13:40:02 +0100
Subject: [PATCH] add debug logs to GetRelativeVelocity

---
 .../UnparentedBaseRigidbodySync.cs            | 23 +++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/QSB/Syncs/RigidbodySync/UnparentedBaseRigidbodySync.cs b/QSB/Syncs/RigidbodySync/UnparentedBaseRigidbodySync.cs
index b50f7a54..6fcded0e 100644
--- a/QSB/Syncs/RigidbodySync/UnparentedBaseRigidbodySync.cs
+++ b/QSB/Syncs/RigidbodySync/UnparentedBaseRigidbodySync.cs
@@ -270,8 +270,27 @@ namespace QSB.Syncs.RigidbodySync
 		public float GetVelocityChangeMagnitude() 
 			=> (_velocity - _prevVelocity).magnitude;
 
-		public Vector3 GetRelativeVelocity() 
-			=> ReferenceTransform.GetAttachedOWRigidbody().GetPointVelocity(AttachedObject.transform.position) - AttachedObject.GetVelocity();
+		public Vector3 GetRelativeVelocity()
+		{
+			if (AttachedObject == null)
+			{
+				DebugLog.ToConsole($"Error - Trying to get relative velocity when AttachedObject is null.", MessageType.Error);
+				return Vector3.zero;
+			}
+			if (ReferenceTransform == null)
+			{
+				DebugLog.ToConsole($"Error - Trying to get relative velocity when ReferenceTransform is null. ({AttachedObject.name})", MessageType.Error);
+				return Vector3.zero;
+			}
+			var attachedRigid = ReferenceTransform.GetAttachedOWRigidbody();
+			if (attachedRigid == null)
+			{
+				DebugLog.ToConsole($"Error - ReferenceTransform ({ReferenceTransform.name}) on {AttachedObject.name} has no attached OWRigidBody.", MessageType.Error);
+				return Vector3.zero;
+			}
+			var pointVelocity = attachedRigid.GetPointVelocity(AttachedObject.transform.position);
+			return pointVelocity - AttachedObject.GetVelocity();
+		}
 
 		private void OnRenderObject()
 		{