AntiAFK: Add "helpMend" setting

This setting helps you mend items while being AFK (made thinking about
AFK fishing) by replacing the offhand item with low HP items of the
same type that have the mending enchantment.

Author: Baitinq

src/main/kotlin/com/lambda/client/module/modules/misc/AntiAFK.kt

@@ -12,9 +12,15 @@ import com.lambda.client.util.BaritoneUtils
 import com.lambda.client.util.MovementUtils.realSpeed
 import com.lambda.client.util.TickTimer
 import com.lambda.client.util.TimeUnit
+import com.lambda.client.util.items.inventorySlots
+import com.lambda.client.util.items.moveToSlot
+import com.lambda.client.util.items.offhandSlot
 import com.lambda.client.util.text.MessageDetection
+import com.lambda.client.util.text.MessageSendHelper
 import com.lambda.client.util.text.MessageSendHelper.sendServerMessage
 import com.lambda.client.util.threads.safeListener
+import net.minecraft.enchantment.EnchantmentHelper
+import net.minecraft.init.Enchantments
 import net.minecraft.network.play.server.SPacketChat
 import net.minecraft.util.EnumHand
 import net.minecraft.util.math.BlockPos
@@ -42,6 +48,7 @@ object AntiAFK : Module(
     private val radius by setting("Radius", 64, 8..128, 8, fineStep = 1)
     private val inputTimeout by setting("Idle Timeout", 0, 0..15, 1, description = "Starts AntiAFK after being idle longer than the selected time in minutes, 0 to disable", unit = "m")
     private val allowBreak by setting("Allow Breaking Blocks", false, { walk.value })
+    private val helpMend by setting("Help Mend", false, description = "Helps mending items by replacing the offhand item with low HP items of the same type")
 
     private var startPos: BlockPos? = null
     private var squareStep = 0
@@ -123,6 +130,14 @@ object AntiAFK : Module(
         safeListener<TickEvent.ClientTickEvent> {
             if (it.phase != TickEvent.Phase.END) return@safeListener
 
+            if (helpMend && (player.heldItemOffhand.itemDamage == 0 || EnchantmentHelper.getEnchantmentLevel(Enchantments.MENDING, player.heldItemOffhand) == 0)) {
+                val chosenItemSlots = player.inventorySlots.filter{it.stack.item.equals(player.heldItemOffhand.item) && EnchantmentHelper.getEnchantmentLevel(Enchantments.MENDING, it.stack) != 0 && it.stack.itemDamage != 0}
+                if (chosenItemSlots.isNotEmpty()) {
+                    MessageSendHelper.sendChatMessage("$chatName Switching offhand to another item as it has max HP (Help Mend).")
+                    moveToSlot(this@AntiAFK, chosenItemSlots[0], player.offhandSlot)
+                }
+            }
+
             if (inputTimeout > 0) {
                 if ((startPos == null || !BaritoneUtils.isPathing) && player.realSpeed > 0.2) {
                     inputTimer.reset()