Readd network optimization patch

patches/server/0529-Add-sendOpLevel-API.patch

@@ -1,51 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Mariell Hoversholm <proximyst@proximyst.com>
-Date: Tue, 29 Dec 2020 15:03:03 +0100
-Subject: [PATCH] Add sendOpLevel API
-
-
-diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
-index 709c37e41f566a8301ec26ca76eb28c44a9bf1cd..adc96e0c4f81375253b540a3b003a00e12888cbc 100644
---- a/src/main/java/net/minecraft/server/players/PlayerList.java
-+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
-@@ -1080,6 +1080,11 @@ public abstract class PlayerList {
-     }
- 
-     private void sendPlayerPermissionLevel(ServerPlayer player, int permissionLevel) {
-+        // Paper start - add recalculatePermissions parameter
-+        this.sendPlayerPermissionLevel(player, permissionLevel, true);
-+    }
-+    public void sendPlayerPermissionLevel(ServerPlayer player, int permissionLevel, boolean recalculatePermissions) {
-+        // Paper end
-         if (player.connection != null) {
-             byte b0;
- 
-@@ -1094,8 +1099,10 @@ public abstract class PlayerList {
-             player.connection.send(new ClientboundEntityEventPacket(player, b0));
-         }
- 
-+        if (recalculatePermissions) { // Paper
-         player.getBukkitEntity().recalculatePermissions(); // CraftBukkit
-         this.server.getCommands().sendCommands(player);
-+        } // Paper
-     }
- 
-     public boolean isWhiteListed(GameProfile profile) {
-diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-index 4e0612ebe2bee43d14a56679fa11b1aa69fe4bad..ad04638955bebdf1392f9dc58be1de699858f5b3 100644
---- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-@@ -640,6 +640,13 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
-             ? (org.bukkit.entity.Firework) entity.getBukkitEntity()
-             : null;
-     }
-+
-+    @Override
-+    public void sendOpLevel(byte level) {
-+        Preconditions.checkArgument(level >= 0 && level <= 4, "Level must be within [0, 4]");
-+
-+        this.getHandle().getServer().getPlayerList().sendPlayerPermissionLevel(this.getHandle(), level, false);
-+    }
-     // Paper end
- 
-     @Override