From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Date: Wed, 12 Oct 2022 14:36:58 -0400
Subject: [PATCH] Remove Mojang username check


diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index d75ea980ef2333f5125f5935f2a139933d7a85c2..ea5bdce17888b2fdd46d25c1d8417f2d8dec112e 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -153,7 +153,12 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
     public void handleHello(ServerboundHelloPacket packet) {
         // Gale start - JettPack - reduce array allocations
         Validate.validState(this.state == ServerLoginPacketListenerImpl.State.HELLO, "Unexpected hello packet", ArrayConstants.emptyObjectArray);
-        if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode() && io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.performUsernameValidation && !this.iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation) Validate.validState(Player.isValidUsername(packet.name()), "Invalid characters in username", ArrayConstants.emptyObjectArray); // Paper - config username validation
+        // Leaf start - Remove Mojang's username check
+        if (!org.dreeam.leaf.LeafConfig.removeMojangUsernameCheck) {
+            if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode() && io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.performUsernameValidation && !this.iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation)
+                Validate.validState(Player.isValidUsername(packet.name()), "Invalid characters in username", ArrayConstants.emptyObjectArray); // Paper - config username validation
+        }
+        // Leaf end
         // Gale end - JettPack - reduce array allocations
         this.requestedUsername = packet.name();
         GameProfile gameprofile = this.server.getSingleplayerProfile();
diff --git a/src/main/java/org/dreeam/leaf/LeafConfig.java b/src/main/java/org/dreeam/leaf/LeafConfig.java
index d6db0ecadf840fd0957f4a7da92ca78c180b58fa..96db490f4d3039953bab55e61d608679275cbfa7 100644
--- a/src/main/java/org/dreeam/leaf/LeafConfig.java
+++ b/src/main/java/org/dreeam/leaf/LeafConfig.java
@@ -171,7 +171,11 @@ public class LeafConfig {
         serverGuiName = getString("server-Gui-name", serverGuiName);
     }
 
+    public static boolean removeMojangUsernameCheck = true;
     private static void removal() {
+        removeMojangUsernameCheck = getBoolean("remove-Mojang-username-check", removeMojangUsernameCheck,
+                "Remove username check of Mojang",
+                "enabling all characters as username");
     }
 
     public static boolean enableAsyncMobSpawning = true;