PaperMC/Spigot-API-Patches/0047-Provide-E-TE-Chunk-count-stat-methods.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 7 Jan 2017 15:23:03 -0500
Subject: [PATCH] Provide E/TE/Chunk count stat methods

Provides counts without the ineffeciency of using .getEntities().size()
which creates copy of the collections.

diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index 6b5dbe4ea711807a1944cfe2aae2ce415d4f2638..789e070f6aee83e4b6426def784e05df98e1bc65 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -40,6 +40,33 @@ import org.jetbrains.annotations.Nullable;
  */
 public interface World extends PluginMessageRecipient, Metadatable, net.kyori.adventure.audience.ForwardingAudience { // Paper
 
+    // Paper start
+    /**
+     * @return The amount of Entities in this world
+     */
+    int getEntityCount();
+
+    /**
+     * @return The amount of Tile Entities in this world
+     */
+    int getTileEntityCount();
+
+    /**
+     * @return The amount of Tickable Tile Entities in this world
+     */
+    int getTickableTileEntityCount();
+
+    /**
+     * @return The amount of Chunks in this world
+     */
+    int getChunkCount();
+
+    /**
+     * @return The amount of Players in this world
+     */
+    int getPlayerCount();
+    // Paper end
+
     /**
      * Gets the {@link Block} at the given coordinates
      *