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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/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 51a6735b35e73175680e61c2d67d4adbedf305c9..8b5d11aceb77135c917c3581f4db792ef4b647ec 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1586,7 +1586,11 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
// CraftBukkit end
if (flag) {
if (this.seenBy.add(player.connection)) {
+ // Paper start - entity tracking events
+ if (io.papermc.paper.event.player.PlayerTrackEntityEvent.getHandlerList().getRegisteredListeners().length == 0 || new io.papermc.paper.event.player.PlayerTrackEntityEvent(player.getBukkitEntity(), this.entity.getBukkitEntity()).callEvent()) {
this.serverEntity.addPairing(player);
+ }
+ // Paper end - entity tracking events
}
} else if (this.seenBy.remove(player.connection)) {
this.serverEntity.removePairing(player);
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 8aabd17178543eab0724a05226e4741ead85ea87..47a2cd3ea7c88681929351c6db9090149e2c4f2e 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -4069,7 +4069,14 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
public void startSeenByPlayer(ServerPlayer player) {}
- public void stopSeenByPlayer(ServerPlayer player) {}
+ // Paper start - entity tracking events
+ public void stopSeenByPlayer(ServerPlayer player) {
+ // Since this event cannot be cancelled, we should call it here to catch all "un-tracks"
+ 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 - entity tracking events
public float rotate(Rotation rotation) {
float f = Mth.wrapDegrees(this.getYRot());
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