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/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index ab1c23c12619aaea67cf3a484af3046a3e7c4872..e1ab296811081a0d1449d48d16de065c070fde23 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -1058,6 +1058,11 @@ 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;
 
@@ -1072,8 +1077,10 @@ 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 ee3e4bb122439f96ec35105521285d2c5be317e2..66522b820786649a1b82647d8ccdb086edf420f6 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2304,6 +2304,13 @@ 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