From 3f0a574e108a0378139cd85b16a327c9d5e6b062 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 22 Mar 2018 01:40:24 -0400
Subject: [PATCH] getPlayerUniqueId API

Gets the unique ID of the player currently known as the specified player name
In Offline Mode, will return an Offline UUID

This is a more performant way to obtain a UUID for a name than loading an OfflinePlayer
---
 .../org/bukkit/craftbukkit/CraftServer.java   | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 35ec2e57ed..64742de1ec 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1891,6 +1891,25 @@ public final class CraftServer implements Server {
         return recipients.size();
     }
 
+    // Paper start
+    @Nullable
+    public UUID getPlayerUniqueId(String name) {
+        Player player = Bukkit.getPlayerExact(name);
+        if (player != null) {
+            return player.getUniqueId();
+        }
+        GameProfile profile;
+        // Only fetch an online UUID in online mode
+        if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode()) {
+            profile = console.getProfileCache().get(name).orElse(null);
+        } else {
+            // Make an OfflinePlayer using an offline mode UUID since the name has no profile
+            profile = new GameProfile(UUID.nameUUIDFromBytes(("OfflinePlayer:" + name).getBytes(Charsets.UTF_8)), name);
+        }
+        return profile != null ? profile.getId() : null;
+    }
+    // Paper end
+
     @Override
     @Deprecated
     public OfflinePlayer getOfflinePlayer(String name) {