From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Tue, 29 Nov 2022 23:38:12 +0100
Subject: [PATCH] Player#canSee by entity UUID

License: MIT (https://opensource.org/licenses/MIT)
Gale - https://galemc.org

This patch is based on the following patch:
"Spread out and optimise player list ticksSpread out and optimise player list ticks"
By: James Lyne <jim+github@not-null.co.uk>
As part of: Purpur (https://github.com/PurpurMC/Purpur)
Licensed under: MIT (https://opensource.org/licenses/MIT)

* Purpur copyright *

MIT License

Copyright (c) 2019-2022 PurpurMC

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
index 3584ca0a89f59e391ab6d5be8f2274a6801d025f..cc663ca87a6f64ea891984c72554796f25bb308f 100644
--- a/src/main/java/org/bukkit/entity/Player.java
+++ b/src/main/java/org/bukkit/entity/Player.java
@@ -2128,6 +2128,16 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
     boolean listPlayer(Player other);
     // Paper end
 
+    // Gale start - Purpur - Player#canSee by entity UUID
+    /**
+     * Checks to see if an entity has been visually hidden from this player.
+     *
+     * @param entityUUID The {@link Entity#getUniqueId()} of the entity to check
+     * @return True if the entity with the provided UUID is not being hidden from this player
+     */
+    boolean canSeePlayer(UUID entityUUID);
+    // Gale end - Purpur - Player#canSee by entity UUID
+
     /**
      * Checks to see if this player is currently flying or not.
      *