From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tom <cryptite@gmail.com>
Date: Fri, 26 Feb 2021 16:24:25 -0600
Subject: [PATCH] Expose Tracked Players


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 881db84a1afe2da5d30732c282f36b294c721c41..d62179765f93738e8444b507238b4fd79a1e9443 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -172,7 +172,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, ne
     public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
     private CraftEntity bukkitEntity;
 
-    PlayerChunkMap.EntityTracker tracker; // Paper
+    public PlayerChunkMap.EntityTracker tracker; // Paper package private -> public
     public boolean collisionLoadChunks = false; // Paper
     public Throwable addedToWorldStack; // Paper - entity debug
     public CraftEntity getBukkitEntity() {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index e81de526a847c730abf86016354c1dc57780ec8b..05248f560d643080a3eac581c01aa89fb3709e6c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -16,6 +16,7 @@ import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections; // Paper
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
@@ -2309,6 +2310,21 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     }
     // Paper end
 
+    // Paper start
+    @Override
+    public Set<Player> getTrackedPlayers() {
+        if (entity.tracker == null) {
+            return Collections.emptySet();
+        }
+
+        Set<Player> set = new HashSet<>(entity.tracker.trackedPlayers.size());
+        for (EntityPlayer entityPlayer : entity.tracker.trackedPlayers) {
+            set.add(entityPlayer.getBukkitEntity().getPlayer());
+        }
+        return set;
+    }
+    // Paper end
+
     // Spigot start
     private final Player.Spigot spigot = new Player.Spigot()
     {