From a282afb5dba32a3cfbed1b23533a9b366cf7d1bb Mon Sep 17 00:00:00 2001
From: xDark <19853368+xxDark@users.noreply.github.com>
Date: Fri, 31 Jul 2020 19:19:26 +0300
Subject: [PATCH] Return earlier, predict list's size for tab clearing

---
 .../proxy/tablist/VelocityTabList.java               | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/proxy/src/main/java/com/velocitypowered/proxy/tablist/VelocityTabList.java b/proxy/src/main/java/com/velocitypowered/proxy/tablist/VelocityTabList.java
index 58103eb07..c60ebe6fa 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/tablist/VelocityTabList.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/tablist/VelocityTabList.java
@@ -89,14 +89,16 @@ public class VelocityTabList implements TabList {
    * MinecraftConnection#flush()}.
    */
   public void clearAll() {
-    List<PlayerListItem.Item> items = new ArrayList<>();
-    for (TabListEntry value : entries.values()) {
+    Collection<VelocityTabListEntry> listEntries = entries.values();
+    if (listEntries.isEmpty()) {
+      return;
+    }
+    List<PlayerListItem.Item> items = new ArrayList<>(listEntries.size());
+    for (TabListEntry value : listEntries) {
       items.add(PlayerListItem.Item.from(value));
     }
     entries.clear();
-    if (!items.isEmpty()) {
-      connection.delayedWrite(new PlayerListItem(PlayerListItem.REMOVE_PLAYER, items));
-    }
+    connection.delayedWrite(new PlayerListItem(PlayerListItem.REMOVE_PLAYER, items));
   }
 
   @Override