TotalFreedomMod/src/main/java/me/totalfreedom/totalfreedommod/command/Command_modifyitem.java

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2018-02-23 06:49:12 +00:00
package me.totalfreedom.totalfreedommod.command;
import me.totalfreedom.totalfreedommod.rank.Rank;
import me.totalfreedom.totalfreedommod.util.FUtil;
import net.minecraft.server.v1_12_R1.NBTTagCompound;
import net.minecraft.server.v1_12_R1.NBTTagInt;
import net.minecraft.server.v1_12_R1.NBTTagList;
import net.minecraft.server.v1_12_R1.NBTTagString;
import org.apache.commons.lang3.StringUtils;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.craftbukkit.v1_12_R1.inventory.CraftItemStack;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.PotionMeta;
import org.bukkit.potion.PotionEffectType;
import java.util.ArrayList;
import java.util.List;
@CommandPermissions(level = Rank.OP, source = SourceType.ONLY_IN_GAME)
@CommandParameters(description = "Modify the current item in your hand", usage = "/<command> <name <message> | lore <message> | enchant <enchantment> <level> | potion <effect> <duration> <amplifier> | attribute <name> <amount> | clear>", aliases = "mi")
public class Command_modifyitem extends FreedomCommand
{
@Override
public boolean run(final CommandSender sender, final Player playerSender, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
{
if (args.length < 1)
{
return false;
}
ItemStack item = playerSender.getInventory().getItemInMainHand();
if (item.getType().equals(Material.AIR))
{
msg("You must have an item in your hand!");
return true;
}
if (args[0].equalsIgnoreCase("clear"))
{
item.setItemMeta(null);
playerSender.getInventory().setItemInMainHand(item);
return true;
}
if (args.length < 2)
{
return false;
}
ItemMeta meta = item.getItemMeta();
switch (args[0])
{
case "name":
String name = FUtil.colorize(StringUtils.join(args, " ", 1, args.length));
meta.setDisplayName(name);
item.setItemMeta(meta);
break;
case "lore":
List<String> lore = new ArrayList<>();
for (String line : StringUtils.join(args, " ", 1, args.length).split("\\\\n"))
{
lore.add(FUtil.colorize(line));
}
meta.setLore(lore);
item.setItemMeta(meta);
break;
case "enchant":
if (args.length < 3)
{
return false;
}
Enchantment enchantment = Enchantment.getByName(args[1].toUpperCase());
if (enchantment == null)
{
msg("Invalid enchantment. Please run /enchantments for a list of valid enchantments.");
return true;
}
int level;
try
{
level = Integer.parseInt(args[2]);
}
catch (NumberFormatException ex)
{
msg("The level specified is not a valid integer.");
return true;
}
meta.addEnchant(enchantment, level, true);
item.setItemMeta(meta);
break;
case "potion":
{
if (!item.getType().equals(Material.POTION) & !item.getType().equals(Material.SPLASH_POTION) & !item.getType().equals(Material.LINGERING_POTION) & !item.getType().equals(Material.TIPPED_ARROW))
{
msg("This item can not have potion effects added to it.");
return true;
}
if (args.length < 4)
{
return false;
}
PotionEffectType type = PotionEffectType.getByName(args[1]);
if (type == null)
{
msg("Invalid potion effect. Please run /potion list for a list of valid potion effects.");
return true;
}
int duration;
try
{
duration = Math.max(1, Math.min(1000000, Integer.parseInt(args[2])));
}
catch (NumberFormatException ex)
{
msg("The duration specified is not a valid integer.");
return true;
}
int amplifier;
try
{
amplifier = Math.max(1, Math.min(256, Integer.parseInt(args[2])));
}
catch (NumberFormatException ex)
{
msg("The amplifier specified is not a valid integer.");
return true;
}
PotionMeta potionMeta = (PotionMeta) meta;
potionMeta.addCustomEffect(type.createEffect(duration, amplifier), true);
item.setItemMeta(potionMeta);
break;
}
case "attribute":
if (args.length < 3)
{
return false;
}
net.minecraft.server.v1_12_R1.ItemStack nmsStack = CraftItemStack.asNMSCopy(item);
NBTTagCompound compound = (nmsStack.hasTag()) ? nmsStack.getTag() : new NBTTagCompound();
NBTTagList modifiers = getAttributeList(nmsStack);
NBTTagCompound cmpnd = new NBTTagCompound();
Attribute attribute = Attribute.getByName(args[1].toUpperCase());
if (attribute == null)
{
msg("Invalid attribute. Please run /attributelist for a list of valid attributes.");
return true;
}
cmpnd.set("AttributeName", new NBTTagString(attribute.getAttribute()));
cmpnd.set("Name", new NBTTagString(attribute.getAttribute()));
int amount;
try
{
amount = Integer.parseInt(args[2]);
}
catch (NumberFormatException ex)
{
msg("The amount specified is not a valid integer.");
return true;
}
cmpnd.set("Amount", new NBTTagInt(amount));
cmpnd.set("Operation", new NBTTagInt(0));
cmpnd.set("UUIDLeast", new NBTTagInt(894654));
cmpnd.set("UUIDMost", new NBTTagInt(2872));
cmpnd.set("Slot", new NBTTagString("mainhand"));
modifiers.add(cmpnd);
compound.set("AttributeModifiers", modifiers);
nmsStack.setTag(compound);
item = CraftItemStack.asBukkitCopy(nmsStack);
break;
default:
return false;
}
playerSender.getInventory().setItemInMainHand(item);
return true;
}
private NBTTagList getAttributeList(net.minecraft.server.v1_12_R1.ItemStack stack)
{
if (stack.getTag() == null)
{
stack.setTag(new NBTTagCompound());
}
NBTTagList attr = stack.getTag().getList("AttributeModifiers", 10);
if (attr == null)
{
stack.getTag().set("AttributeModifiers", new NBTTagList());
}
return stack.getTag().getList("AttributeModifiers", 10);
}
private enum Attribute
{
GENERIC_MAX_HEALTH("GENERIC_MAX_HEALTH", "generic.maxHealth"),
GENERIC_FOLLOW_RANGE("GENERIC_FOLLOW_RANGE", "generic.followRange"),
GENERIC_KNOCKBACK_RESISTANCE("GENERIC_KNOCKBACK_RESISTANCE", "generic.knockbackResistance"),
GENERIC_MOVEMENT_SPEED("GENERIC_MOVEMENT_SPEED", "generic.movementSpeed"),
GENERIC_FLYING_SPEED("GENERIC_FLYING_SPEED", "generic.flyingSpeed"),
GENERIC_ATTACK_DAMAGE("GENERIC_ATTACK_DAMAGE", "generic.attackDamage"),
GENERIC_ATTACK_SPEED("GENERIC_ATTACK_SPEED", "generic.attackSpeed"),
GENERIC_ARMOR("GENERIC_ARMOR", "generic.armor"),
GENERIC_ARMOR_TOUGHNESS("GENERIC_ARMOR_TOUGHNESS", "generic.armorToughmess"),
GENERIC_LUCK("GENERIC_LUCK", "generic.luck"),
HORSE_JUMP_STRENGTH("GENERIC_MAX_HEALTH", "horse.JumpStrength"),
ZOMBIE_SPAWN_REINFORCEMENTS("ZOMBIE_SPAWN_REINFORCEMENTS", "zombie.SpawnReinforcements");
private final String name;
private final String attribute;
Attribute(String name, String attribute)
{
this.name = name;
this.attribute = attribute;
}
public String getAttribute()
{
return attribute;
}
@Override
public String toString()
{
return name;
}
public static Attribute getByName(String name)
{
for (Attribute attr : Attribute.values())
{
if (attr.toString().toUpperCase().equals(name))
{
return attr;
}
}
return null;
}
}
}