From 7fe8888df5a74667914c66c336625309279ff28a Mon Sep 17 00:00:00 2001
From: vis2k <info@noobtuts.com>
Date: Wed, 30 Oct 2019 20:18:02 +0100
Subject: [PATCH] perf: MultiplexTransport: avoid Linq allocations that would
 happen on every packet send because Send calls .ServerActive() each time

---
 Assets/Mirror/Runtime/Transport/MultiplexTransport.cs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Assets/Mirror/Runtime/Transport/MultiplexTransport.cs b/Assets/Mirror/Runtime/Transport/MultiplexTransport.cs
index e0a3cf17d..03cbad785 100644
--- a/Assets/Mirror/Runtime/Transport/MultiplexTransport.cs
+++ b/Assets/Mirror/Runtime/Transport/MultiplexTransport.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Text;
 using UnityEngine;
 
@@ -138,7 +137,15 @@ void InitServer()
 
         public override bool ServerActive()
         {
-            return transports.All(t => t.ServerActive());
+            // avoid Linq.All allocations
+            foreach (Transport transport in transports)
+            {
+                if (!transport.ServerActive())
+                {
+                    return false;
+                }
+            }
+            return true;
         }
 
         public override string ServerGetClientAddress(int connectionId)