Paper/patches/server/0939-Player-Entity-Tracking-Events.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Yannick Lamprecht <yannicklamprecht@live.de>
Date: Wed, 30 Mar 2022 18:16:52 +0200
Subject: [PATCH] Player Entity Tracking Events


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 407d954935a5213a31329c4008f262c450118422..7f94da8059147760cbdc2476d0e8beda4a105f40 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -3840,9 +3840,21 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
         EnchantmentHelper.doPostDamageEffects(attacker, target);
     }
 
-    public void startSeenByPlayer(ServerPlayer player) {}
+    // Paper start
+    public void startSeenByPlayer(ServerPlayer player) {
+        if (io.papermc.paper.event.player.PlayerTrackEntityEvent.getHandlerList().getRegisteredListeners().length > 0) {
+            new io.papermc.paper.event.player.PlayerTrackEntityEvent(player.getBukkitEntity(), this.getBukkitEntity()).callEvent();
+        }
+    }
+    // Paper end
 
-    public void stopSeenByPlayer(ServerPlayer player) {}
+    // Paper start
+    public void stopSeenByPlayer(ServerPlayer player) {
+        if(io.papermc.paper.event.player.PlayerUntrackEntityEvent.getHandlerList().getRegisteredListeners().length > 0) {
+            new io.papermc.paper.event.player.PlayerUntrackEntityEvent(player.getBukkitEntity(), this.getBukkitEntity()).callEvent();
+        }
+    }
+    // Paper end
 
     public float rotate(Rotation rotation) {
         float f = Mth.wrapDegrees(this.getYRot());