From 580b6a3b2c8e6b5d7ad4bec5a356fd1064233892 Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Fri, 6 Sep 2019 08:56:05 -0700
Subject: [PATCH] small optimization: check before lock

---
 libraries/entities/src/EntityTree.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libraries/entities/src/EntityTree.cpp b/libraries/entities/src/EntityTree.cpp
index dca3ac595a..6c12c6d019 100644
--- a/libraries/entities/src/EntityTree.cpp
+++ b/libraries/entities/src/EntityTree.cpp
@@ -2246,8 +2246,8 @@ void EntityTree::preUpdate() {
 void EntityTree::update(bool simulate) {
     PROFILE_RANGE(simulation_physics, "UpdateTree");
     PerformanceTimer perfTimer("updateTree");
-    withWriteLock([&] {
-        if (simulate && _simulation) {
+    if (simulate && _simulation) {
+        withWriteLock([&] {
             _simulation->updateEntities();
             {
                 PROFILE_RANGE(simulation_physics, "Deletes");
@@ -2265,8 +2265,8 @@ void EntityTree::update(bool simulate) {
                     deleteEntities(idsToDelete, true);
                 }
             }
-        }
-    });
+        });
+    }
 }
 
 quint64 EntityTree::getAdjustedConsiderSince(quint64 sinceTime) {