From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Date: Fri, 18 Nov 2022 23:26:16 -0500
Subject: [PATCH] Remove UseItemOnPacket Too Far Check

This Check is added in 1.17.x -> 1.18.x update by Mojang.
By removing this check, it enable hackers to use some modules of hack clients.

diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index a912462dcd381956c31f19ccd4de826594af65b9..c1431af927a203c16b04a82e0f779fe40dcf0f88 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -189,6 +189,7 @@ import net.minecraft.world.phys.shapes.VoxelShape;
 import org.bukkit.craftbukkit.util.permissions.CraftDefaultPermissions;
 import org.apache.commons.lang3.StringUtils;
 import org.galemc.gale.configuration.GaleGlobalConfiguration;
+import org.dreeam.leaf.LeafConfig;
 import org.slf4j.Logger;
 
 // CraftBukkit start
@@ -2046,7 +2047,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
                 Vec3 vec3d2 = vec3d.subtract(vec3d1);
                 double d0 = 1.0000001D;
 
-                if (Math.abs(vec3d2.x()) < 1.0000001D && Math.abs(vec3d2.y()) < 1.0000001D && Math.abs(vec3d2.z()) < 1.0000001D) {
+                if ((Math.abs(vec3d2.x()) < LeafConfig.maxUseItemDistance && Math.abs(vec3d2.y()) < LeafConfig.maxUseItemDistance && Math.abs(vec3d2.z()) < LeafConfig.maxUseItemDistance) || LeafConfig.removeUseItemOnPacketTooFar) { // Leaf - Remove UseItemOnPacket Too Far Check and make it configurable
                     Direction enumdirection = movingobjectpositionblock.getDirection();
 
                     this.player.resetLastActionTime();
diff --git a/src/main/java/org/dreeam/leaf/LeafConfig.java b/src/main/java/org/dreeam/leaf/LeafConfig.java
index 5087732f4e78fb5a567674914174142777d762ef..065c79a73aa4f1775f5f4efcc90dae46d0ddbf4a 100644
--- a/src/main/java/org/dreeam/leaf/LeafConfig.java
+++ b/src/main/java/org/dreeam/leaf/LeafConfig.java
@@ -171,6 +171,8 @@ public class LeafConfig {
 
     public static boolean removeMojangUsernameCheck = true;
     public static boolean removeSpigotCheckBungeeConfig = true;
+    public static boolean removeUseItemOnPacketTooFar = false;
+    public static double maxUseItemDistance = 1.0000001D;
     private static void removal() {
         removeMojangUsernameCheck = getBoolean("remove-Mojang-username-check", removeMojangUsernameCheck,
                 "Remove username check of Mojang",
@@ -178,6 +180,9 @@ public class LeafConfig {
         removeSpigotCheckBungeeConfig = getBoolean("remove-Spigot-check-bungee-config", removeSpigotCheckBungeeConfig,
                 "Enable player enter backend server through proxy",
                 "without backend server enabling its bungee mode");
+        removeUseItemOnPacketTooFar = getBoolean("remove-UseItemOnPacket-too-far-check", removeUseItemOnPacketTooFar,
+                "To enable this, players can use some packet modules with hack clients and the NoCom Exploit!!");
+        maxUseItemDistance = getDouble("max-UseItem-distance", maxUseItemDistance, "The max distance of UseItem for players");
     }
 
     public static String sentryDsn = "";