267 lines
9.6 KiB
Java
267 lines
9.6 KiB
Java
package me.totalfreedom.totalfreedommod.command;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.SplittableRandom;
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import me.totalfreedom.totalfreedommod.rank.Rank;
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import me.totalfreedom.totalfreedommod.util.FUtil;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.nbt.NBTTagList;
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import org.apache.commons.lang.StringUtils;
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import org.bukkit.Material;
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import org.bukkit.command.Command;
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import org.bukkit.command.CommandSender;
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import org.bukkit.craftbukkit.v1_17_R1.inventory.CraftItemStack;
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import org.bukkit.enchantments.Enchantment;
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import org.bukkit.entity.Player;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.inventory.meta.ItemMeta;
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import org.bukkit.inventory.meta.PotionMeta;
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import org.bukkit.potion.PotionEffectType;
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@CommandPermissions(level = Rank.OP, source = SourceType.ONLY_IN_GAME)
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@CommandParameters(description = "Modify the current item you are holding.", usage = "/<command> <name <message> | lore <message> | enchant <enchantment> <level> | potion <effect> <duration> <amplifier> | attribute <name> <amount> | clear>", aliases = "mi")
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public class Command_modifyitem extends FreedomCommand
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{
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@SuppressWarnings("deprecation")
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@Override
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public boolean run(final CommandSender sender, final Player playerSender, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
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{
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if (args.length < 1)
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{
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return false;
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}
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ItemStack item = playerSender.getInventory().getItemInMainHand();
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if (item.getType().equals(Material.AIR))
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{
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msg("You must have an item in your hand!");
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return true;
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}
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if (args[0].equalsIgnoreCase("clear"))
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{
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item.setItemMeta(null);
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playerSender.getInventory().setItemInMainHand(item);
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return true;
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}
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if (args.length < 2)
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{
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return false;
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}
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ItemMeta meta = item.getItemMeta();
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assert meta != null;
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switch (args[0])
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{
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case "name":
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String name = FUtil.colorize(StringUtils.join(args, " ", 1, args.length));
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meta.setDisplayName(name);
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item.setItemMeta(meta);
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break;
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case "lore":
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List<String> lore = new ArrayList<>();
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for (String line : StringUtils.join(args, " ", 1, args.length).split("\\\\n"))
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{
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lore.add(FUtil.colorize(line));
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}
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meta.setLore(lore);
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item.setItemMeta(meta);
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break;
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case "enchant":
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if (args.length < 3)
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{
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return false;
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}
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Enchantment enchantment = Enchantment.getByName(args[1].toUpperCase());
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if (enchantment == null)
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{
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msg("Invalid enchantment. Please run /enchant list for a list of valid enchantments.");
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return true;
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}
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int level;
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try
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{
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level = Integer.parseInt(args[2]);
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}
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catch (NumberFormatException ex)
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{
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msg("The level specified is not a valid integer.");
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return true;
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}
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meta.addEnchant(enchantment, level, true);
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item.setItemMeta(meta);
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break;
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case "potion":
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{
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if (!item.getType().equals(Material.POTION) & !item.getType().equals(Material.SPLASH_POTION) & !item.getType().equals(Material.LINGERING_POTION) & !item.getType().equals(Material.TIPPED_ARROW))
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{
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msg("This item can not have potion effects added to it.");
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return true;
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}
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if (args.length < 4)
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{
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return false;
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}
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PotionEffectType type = PotionEffectType.getByName(args[1]);
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if (type == null)
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{
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msg("Invalid potion effect. Please run /potion list for a list of valid potion effects.");
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return true;
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}
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int duration;
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try
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{
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duration = Math.max(1, Math.min(1000000, Integer.parseInt(args[2])));
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}
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catch (NumberFormatException ex)
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{
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msg("The duration specified is not a valid integer.");
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return true;
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}
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int amplifier;
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try
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{
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amplifier = Math.max(1, Math.min(256, Integer.parseInt(args[2])));
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}
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catch (NumberFormatException ex)
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{
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msg("The amplifier specified is not a valid integer.");
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return true;
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}
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PotionMeta potionMeta = (PotionMeta)meta;
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potionMeta.addCustomEffect(type.createEffect(duration, amplifier), true);
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item.setItemMeta(potionMeta);
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break;
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}
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case "attribute":
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if (args.length < 3)
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{
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return false;
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}
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net.minecraft.world.item.ItemStack nmsStack = CraftItemStack.asNMSCopy(item);
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NBTTagCompound compound = (nmsStack.hasTag()) ? nmsStack.getTag() : new NBTTagCompound();
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NBTTagList modifiers = getAttributeList(nmsStack);
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NBTTagCompound cmpnd = new NBTTagCompound();
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Attribute attribute = Attribute.getByName(args[1].toUpperCase());
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if (attribute == null)
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{
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msg("Invalid attribute. Please run /attributelist for a list of valid attributes.");
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return true;
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}
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cmpnd.setString("AttributeName", attribute.getAttribute());
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cmpnd.setString("Name", attribute.getAttribute());
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double amount;
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try
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{
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amount = Double.parseDouble(args[2]);
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}
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catch (NumberFormatException ex)
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{
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msg("The amount specified is not a valid integer.");
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return true;
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}
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if (Double.isNaN(amount))
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{
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msg("The amount specified is illegal.");
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return true;
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}
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cmpnd.setDouble("Amount", amount);
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cmpnd.setInt("Operation", 0);
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SplittableRandom random = new SplittableRandom();
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cmpnd.setIntArray("UUID", new int[]
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{
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random.nextInt(),
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random.nextInt(),
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random.nextInt(),
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random.nextInt()
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});
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cmpnd.setString("Slot", "mainhand");
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modifiers.add(cmpnd);
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assert compound != null;
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compound.set("AttributeModifiers", modifiers);
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nmsStack.setTag(compound);
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item = CraftItemStack.asBukkitCopy(nmsStack);
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break;
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default:
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return false;
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}
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playerSender.getInventory().setItemInMainHand(item);
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return true;
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}
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private NBTTagList getAttributeList(net.minecraft.world.item.ItemStack stack)
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{
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if (stack.getTag() == null)
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{
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stack.setTag(new NBTTagCompound());
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}
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NBTTagList attr = stack.getTag().getList("AttributeModifiers", 10);
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if (attr == null)
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{
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stack.getTag().set("AttributeModifiers", new NBTTagList());
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}
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return stack.getTag().getList("AttributeModifiers", 10);
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}
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private enum Attribute
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{
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GENERIC_MAX_HEALTH("GENERIC_MAX_HEALTH", "generic.max_health"),
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GENERIC_FOLLOW_RANGE("GENERIC_FOLLOW_RANGE", "generic.follow_range"),
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GENERIC_KNOCKBACK_RESISTANCE("GENERIC_KNOCKBACK_RESISTANCE", "generic.knockback_resistance"),
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GENERIC_MOVEMENT_SPEED("GENERIC_MOVEMENT_SPEED", "generic.movement_speed"),
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GENERIC_FLYING_SPEED("GENERIC_FLYING_SPEED", "generic.flying_speed"),
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GENERIC_ATTACK_DAMAGE("GENERIC_ATTACK_DAMAGE", "generic.attack_damage"),
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GENERIC_ATTACK_SPEED("GENERIC_ATTACK_SPEED", "generic.attack_speed"),
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GENERIC_ARMOR("GENERIC_ARMOR", "generic.armor"),
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GENERIC_ARMOR_TOUGHNESS("GENERIC_ARMOR_TOUGHNESS", "generic.armor_toughmess"),
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GENERIC_LUCK("GENERIC_LUCK", "generic.luck"),
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HORSE_JUMP_STRENGTH("GENERIC_MAX_HEALTH", "horse.jump_strength"),
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ZOMBIE_SPAWN_REINFORCEMENTS("ZOMBIE_SPAWN_REINFORCEMENTS", "zombie.spawn_reinforcements");
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private final String name;
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private final String attribute;
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Attribute(String name, String attribute)
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{
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this.name = name;
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this.attribute = attribute;
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}
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public static Attribute getByName(String name)
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{
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for (Attribute attr : Attribute.values())
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{
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if (attr.toString().toUpperCase().equals(name))
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{
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return attr;
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}
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}
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return null;
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}
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public String getAttribute()
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{
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return attribute;
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}
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@Override
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public String toString()
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{
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return name;
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}
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}
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}
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