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 0757cfcb96778258ba2593756e4ca9cbb16e2f87..24b3a893a2b76a4ecfbc6b2cc1eac242e5c6e9d6 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -1138,6 +1138,11 @@ public abstract class PlayerList {
     }
 
     private void a(EntityPlayer entityplayer, int i) {
+        // Paper start - add recalculatePermissions parameter
+        this.sendPlayerOperatorStatus(entityplayer, i, true);
+    }
+    public void sendPlayerOperatorStatus(EntityPlayer entityplayer, int i, boolean recalculatePermissions) {
+        // Paper end
         if (entityplayer.playerConnection != null) {
             byte b0;
 
@@ -1152,8 +1157,10 @@ public abstract class PlayerList {
             entityplayer.playerConnection.sendPacket(new PacketPlayOutEntityStatus(entityplayer, b0));
         }
 
+        if (recalculatePermissions) { // Paper
         entityplayer.getBukkitEntity().recalculatePermissions(); // CraftBukkit
         this.server.getCommandDispatcher().a(entityplayer);
+        } // Paper
     }
 
     // Paper start
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 5a245184d6290a58bb9aed139cc4c7b5511ce491..e97ad53eb8bdc4c71d8014d060710cb3a29ab7f8 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2297,6 +2297,13 @@ 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().getMinecraftServer().getPlayerList().sendPlayerOperatorStatus(this.getHandle(), level, false);
+    }
     // Paper end
 
     // Spigot start