From d4c84868d8dba1cd7bf024b861631cef6ddaa4db Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Tue, 31 Oct 2023 14:42:35 -0700
Subject: [PATCH] add FilterBuilder to compatibility system

---
 src/Rev2/Compatibility/System.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Rev2/Compatibility/System.cs b/src/Rev2/Compatibility/System.cs
index 7490f4d..d4ddb89 100644
--- a/src/Rev2/Compatibility/System.cs
+++ b/src/Rev2/Compatibility/System.cs
@@ -4,6 +4,8 @@ namespace MoonTools.ECS.Rev2.Compatibility;
 
 public class System : Manipulator
 {
+	public FilterBuilder FilterBuilder => World.FilterBuilder;
+
 	public System(World world) : base(world) { }
 
 	protected ReadOnlySpan<T> ReadMessages<T>() where T : unmanaged => World.ReadMessages<T>();