Add sendOpLevel API

Spigot-API-Patches/Add-sendOpLevel-API.patch

@@ -0,0 +1,28 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Mariell Hoversholm <proximyst@proximyst.com>
+Date: Tue, 29 Dec 2020 15:02:57 +0100
+Subject: [PATCH] Add sendOpLevel API
+
+
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -0,0 +0,0 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+      */
+     @Nullable
+     Firework boostElytra(@NotNull ItemStack firework);
++
++    /**
++     * Send a packet to the player indicating its operator status level.
++     * <p>
++     * <b>Note:</b> This will not persist across more than the current connection, and setting the player's operator
++     * status as a later point <i>will</i> override the effects of this.
++     *
++     * @param level The level to send to the player. Must be in {@code [0, 4]}.
++     * @throws IllegalArgumentException If the level is negative or greater than {@code 4} (i.e. not within {@code [0, 4]}).
++     */
++    void sendOpLevel(byte level);
+     // Paper end
+ 
+     // Spigot start

Spigot-Server-Patches/Add-sendOpLevel-API.patch

@@ -0,0 +1,51 @@
+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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/PlayerList.java
++++ b/src/main/java/net/minecraft/server/PlayerList.java
+@@ -0,0 +0,0 @@ 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;
+ 
+@@ -0,0 +0,0 @@ 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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -0,0 +0,0 @@ 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