Added .stack command (#1719)

src/main/kotlin/net/ccbluex/liquidbounce/features/command/CommandManager.kt

@@ -27,10 +27,7 @@ import net.ccbluex.liquidbounce.event.Listenable
 import net.ccbluex.liquidbounce.event.events.ChatSendEvent
 import net.ccbluex.liquidbounce.event.handler
 import net.ccbluex.liquidbounce.features.command.commands.client.*
-import net.ccbluex.liquidbounce.features.command.commands.creative.CommandItemEnchant
-import net.ccbluex.liquidbounce.features.command.commands.creative.CommandItemGive
-import net.ccbluex.liquidbounce.features.command.commands.creative.CommandItemRename
-import net.ccbluex.liquidbounce.features.command.commands.creative.CommandItemSkull
+import net.ccbluex.liquidbounce.features.command.commands.creative.*
 import net.ccbluex.liquidbounce.features.command.commands.utility.CommandPosition
 import net.ccbluex.liquidbounce.features.command.commands.utility.CommandUsername
 import net.ccbluex.liquidbounce.script.CommandScript
@@ -153,6 +150,7 @@ object CommandManager : Iterable<Command> {
         addCommand(CommandItemRename.createCommand())
         addCommand(CommandItemGive.createCommand())
         addCommand(CommandItemSkull.createCommand())
+        addCommand(CommandItemStack.createCommand())
         addCommand(CommandItemEnchant.createCommand())
 
         // utility commands

src/main/kotlin/net/ccbluex/liquidbounce/features/command/commands/creative/CommandItemStack.kt

@@ -0,0 +1,78 @@
+/*
+ * This file is part of LiquidBounce (https://github.com/CCBlueX/LiquidBounce)
+ *
+ * Copyright (c) 2015 - 2023 CCBlueX
+ *
+ * LiquidBounce is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LiquidBounce is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LiquidBounce. If not, see <https://www.gnu.org/licenses/>.
+ */
+package net.ccbluex.liquidbounce.features.command.commands.creative
+
+import net.ccbluex.liquidbounce.features.command.Command
+import net.ccbluex.liquidbounce.features.command.CommandException
+import net.ccbluex.liquidbounce.features.command.builder.CommandBuilder
+import net.ccbluex.liquidbounce.features.command.builder.ParameterBuilder
+import net.ccbluex.liquidbounce.utils.client.*
+import net.minecraft.network.packet.c2s.play.CreativeInventoryActionC2SPacket
+
+object CommandItemStack {
+
+    private val amountParameter = ParameterBuilder
+        .begin<Int>("amount")
+        .verifiedBy(ParameterBuilder.INTEGER_VALIDATOR)
+        .autocompletedWith { begin ->
+            mutableListOf("16", "32", "64").filter { it.startsWith(begin) }
+        }
+        .optional()
+        .build()
+
+    fun createCommand(): Command {
+        return CommandBuilder
+            .begin("stack")
+            .parameter(amountParameter)
+            .handler { command, args ->
+                if (mc.interactionManager?.hasCreativeInventory() == false) {
+                    throw CommandException(command.result("mustBeCreative"))
+                }
+
+                val mainHandStack = mc.player!!.mainHandStack
+                if (mainHandStack.isEmpty) {
+                    throw CommandException(command.result("noItem"))
+                }
+
+                val amount = args[0] as? Int ?: 64
+
+                if (amount < 1 || amount > 64) {
+                    throw CommandException(command.result("invalidAmount"))
+                }
+
+
+                if (mainHandStack.count == amount) {
+                    chat(regular(command.result("hasAlreadyAmount", variable(amount.toString()))))
+                    return@handler
+                }
+
+                mainHandStack.count = amount
+                mc.player!!.inventory!!.setStack(mc.player!!.inventory.selectedSlot, mainHandStack)
+                mc.networkHandler!!.sendPacket(
+                    CreativeInventoryActionC2SPacket(
+                        36 + mc.player!!.inventory.selectedSlot,
+                        mainHandStack
+                    )
+                )
+                chat(regular(command.result("amountChanged", variable(amount.toString()))))
+            }
+            .build()
+    }
+
+}

src/main/resources/assets/liquidbounce/lang/en_us.json

@@ -139,6 +139,13 @@
   "liquidbounce.command.skull.result.mustBeCreative": "Creative mode required!",
   "liquidbounce.command.skull.result.noEmptySlot": "There are no empty slots in your inventory.",
   "liquidbounce.command.skull.result.skullGiven": "Gave you the skull of %s.",
+  "liquidbounce.command.stack.description": "Changes the item amount in your main hand.",
+  "liquidbounce.command.stack.parameter.amount.description": "Optional amount.",
+  "liquidbounce.command.stack.result.mustBeCreative": "Creative mode required!",
+  "liquidbounce.command.stack.result.noItem": "There is no item in your main hand.",
+  "liquidbounce.command.stack.result.invalidAmount": "Invalid item amount. Item amount must be from 1 to 64.",
+  "liquidbounce.command.stack.result.amountChanged": "The item amount has been changed.",
+  "liquidbounce.command.stack.result.hasAlreadyAmount": "The item amount is already %s",
   "liquidbounce.command.enchant.description": "Enchants the currently selected item.",
   "liquidbounce.command.enchant.parameter.enchantment.description": "Enchantment name.",
   "liquidbounce.command.enchant.parameter.level.description": "Enchantment level.",