PlanetSpawner-Hack minecraft

package de.TNT_Block_Unkown;

import net.minecraft.client.Minecraft;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.JsonToNBT;
import net.minecraft.nbt.NBTException;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.network.play.client.C10PacketCreativeInventoryAction;

public class planetspawner {
	public static ItemStack itm = new ItemStack(Blocks.mob_spawner,1,0);
	public static void execute(Integer radius) throws NBTException {
		NBTTagCompound base = new NBTTagCompound();
		NBTTagCompound BlockEntityTag = new NBTTagCompound();
		NBTTagCompound SpawnData = new NBTTagCompound();
		NBTTagList equipment = new NBTTagList();
		BlockEntityTag.setInteger("SpawnCount", 40);
		BlockEntityTag.setInteger("SpawnRange", radius);
		BlockEntityTag.setInteger("RequiredPlayerRange", 6);
		BlockEntityTag.setInteger("MaxNearbyEntities", 10);
		BlockEntityTag.setInteger("MinSpawnDelay", 2);
		BlockEntityTag.setInteger("MaxSpawnDelay", 4);
		BlockEntityTag.setString("EntityId", "ArmorStand");
		SpawnData.setInteger("Invisible", 1);
		SpawnData.setInteger("Invulnerable", 1);
		SpawnData.setInteger("NoBasePlate", 1);
		SpawnData.setInteger("NoGravity", 1);
		equipment.appendTag(JsonToNBT.func_180713_a("{}"));
		equipment.appendTag(JsonToNBT.func_180713_a("{}"));
		equipment.appendTag(JsonToNBT.func_180713_a("{}"));
		equipment.appendTag(JsonToNBT.func_180713_a("{}"));
		equipment.appendTag(JsonToNBT.func_180713_a("{id:\"skull\",Count:1b,Damage:3b,tag:{SkullOwner:{Id:\"0ceac85e-159d-4f9d-a1c2-c8acde792f23\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYjFkZDRmZTRhNDI5YWJkNjY1ZGZkYjNlMjEzMjFkNmVmYTZhNmI1ZTdiOTU2ZGI5YzVkNTljOWVmYWIyNSJ9fX0=\"}]}}}}"));
		SpawnData.setTag("Equipment", equipment);
			BlockEntityTag.setTag("SpawnData", SpawnData);
			base.setTag("BlockEntityTag", BlockEntityTag);
			itm.setTagCompound(base);
			Minecraft.getMinecraft().thePlayer.sendQueue.addToSendQueue(new C10PacketCreativeInventoryAction(36,addSpawnerToFurnance(itm)));
	}
	public static ItemStack addSpawnerToFurnance(ItemStack itemStack) {
        ItemStack itm = new ItemStack(Blocks.furnace);
        NBTTagCompound base = new NBTTagCompound();
        NBTTagCompound blockEntityTag = new NBTTagCompound();
        blockEntityTag.setShort("BurnTime", (short) 0);
        blockEntityTag.setShort("CookTime", (short) 0);
        blockEntityTag.setShort("CookTimeTotal", (short) 200);
        blockEntityTag.setString("id", "Furnance");
        blockEntityTag.setString("Lock", "");
        NBTTagList itemList = new NBTTagList();
        NBTTagCompound currentItem = new NBTTagCompound();
        currentItem.setByte("Count", (byte) 1);
        currentItem.setShort("Damage", (short) itemStack.getItemDamage());
        currentItem.setString("id", "minecraft:mob_spawner");
        currentItem.setShort("Slot", (byte) 0);
        currentItem.setTag("tag", itemStack.getTagCompound());
        itemList.appendTag(currentItem);
        blockEntityTag.setTag("Items", itemList);
        base.setTag("BlockEntityTag", blockEntityTag);
        itm.setTagCompound(base);
        return itm;
    }
}