From b85a533ca4f146e70186b830d5a8e327b1627837 Mon Sep 17 00:00:00 2001
From: copygirl <copygirl@mcft.net>
Date: Sat, 6 May 2023 21:21:46 +0200
Subject: [PATCH] Throw in EntityPath.From if entity is None

---
 src/gaemstone.ECS/EntityPath.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gaemstone.ECS/EntityPath.cs b/src/gaemstone.ECS/EntityPath.cs
index 9f68ecb..79b8f4e 100644
--- a/src/gaemstone.ECS/EntityPath.cs
+++ b/src/gaemstone.ECS/EntityPath.cs
@@ -52,6 +52,9 @@ public class EntityPath
 
 	public static unsafe EntityPath From(World world, Entity entity)
 	{
+		if (entity.IsNone) throw new ArgumentException(
+			"entity is Entity.None", nameof(entity));
+
 		var parts = new List<byte[]>(32);
 
 		do {