From 57075892dea72e25f1ee12ffff44bdb45ca88790 Mon Sep 17 00:00:00 2001
From: Guangcong Luo <guangcongluo@gmail.com>
Date: Tue, 26 Aug 2014 23:33:47 -0400
Subject: [PATCH] Minor optimization to BattleRoom updating

---
 rooms.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/rooms.js b/rooms.js
index 75b922aee6..389292868f 100644
--- a/rooms.js
+++ b/rooms.js
@@ -751,11 +751,9 @@ var BattleRoom = (function () {
 	};
 	BattleRoom.prototype.update = function (excludeUser) {
 		if (this.log.length <= this.lastUpdate) return;
-		var message = this.log.slice(this.lastUpdate).join('\n');
 		this.lastUpdate = this.log.length;
 
-		message = '>' + this.id + '\n\n' + message;
-		Sockets.subchannelBroadcast(this.id, message);
+		Sockets.subchannelBroadcast(this.id, '>' + this.id + '\n\n' + this.log.slice(this.lastUpdate).join('\n'));
 
 		// empty rooms time out after ten minutes
 		var hasUsers = false;