/
ItemEnchantments.java
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/
ItemEnchantments.java
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package com.denizenscript.denizen.objects.properties.item;
import com.denizenscript.denizen.utilities.debugging.Debug;
import com.denizenscript.denizen.objects.ItemTag;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.Mechanism;
import com.denizenscript.denizencore.objects.core.ListTag;
import com.denizenscript.denizencore.objects.ObjectTag;
import com.denizenscript.denizencore.objects.properties.Property;
import com.denizenscript.denizencore.tags.Attribute;
import com.denizenscript.denizencore.utilities.CoreUtilities;
import org.bukkit.Material;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.inventory.meta.EnchantmentStorageMeta;
import java.util.*;
public class ItemEnchantments implements Property {
public static boolean describes(ObjectTag item) {
// Technically, all items can hold enchants.
return item instanceof ItemTag;
}
public static ItemEnchantments getFrom(ObjectTag _item) {
if (!describes(_item)) {
return null;
}
else {
return new ItemEnchantments((ItemTag) _item);
}
}
public static final String[] handledTags = new String[] {
"is_enchanted", "enchantments"
};
public static final String[] handledMechs = new String[] {
"remove_enchantments", "enchantments"
};
private ItemEnchantments(ItemTag _item) {
item = _item;
}
ItemTag item;
@Override
public ObjectTag getObjectAttribute(Attribute attribute) {
if (attribute == null) {
return null;
}
// <--[tag]
// @attribute <ItemTag.is_enchanted>
// @returns ElementTag(Boolean)
// @mechanism ItemTag.enchantments
// @group properties
// @description
// Returns whether the item has any enchantments.
// -->
if (attribute.startsWith("is_enchanted")) {
return new ElementTag(getEnchantments().size() > 0)
.getObjectAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ItemTag.enchantments.with_levels>
// @returns ListTag
// @mechanism ItemTag.enchantments
// @group properties
// @description
// Returns a list of enchantments on the item, with their levels listed too.
// In the format of ENCHANTMENT,LEVEL - For example: DAMAGE_ALL,3
// -->
if (attribute.startsWith("enchantments.with_levels")) {
Set<Map.Entry<Enchantment, Integer>> enchantments = getEnchantments();
ListTag enchants = new ListTag();
for (Map.Entry<Enchantment, Integer> enchantment : enchantments) {
enchants.add(enchantment.getKey().getName() + "," + enchantment.getValue());
}
return enchants.getObjectAttribute(attribute.fulfill(2));
}
// <--[tag]
// @attribute <ItemTag.enchantments.levels>
// @returns ListTag
// @mechanism ItemTag.enchantments
// @group properties
// @description
// Returns a list of enchantments on the item, showing only the level.
// -->
if (attribute.startsWith("enchantments.levels")) {
Set<Map.Entry<Enchantment, Integer>> enchantments = getEnchantments();
ListTag enchants = new ListTag();
for (Map.Entry<Enchantment, Integer> enchantment : enchantments) {
enchants.add(String.valueOf(enchantment.getValue()));
}
return enchants.getObjectAttribute(attribute.fulfill(2));
}
// <--[tag]
// @attribute <ItemTag.enchantments.level[<name>]>
// @returns ElementTag(Number)
// @mechanism ItemTag.enchantments
// @group properties
// @description
// Returns the level of a specified enchantment.
// -->
if (attribute.startsWith("enchantments.level")
&& attribute.hasContext(2)) {
Set<Map.Entry<Enchantment, Integer>> enchantments = getEnchantments();
if (enchantments.size() > 0) {
for (Map.Entry<Enchantment, Integer> enchantment : enchantments) {
if (enchantment.getKey().getName().equalsIgnoreCase(attribute.getContext(2))) {
return new ElementTag(enchantment.getValue())
.getObjectAttribute(attribute.fulfill(2));
}
}
}
return new ElementTag(0)
.getObjectAttribute(attribute.fulfill(2));
}
// <--[tag]
// @attribute <ItemTag.enchantments>
// @returns ListTag
// @mechanism ItemTag.enchantments
// @group properties
// @description
// Returns a list of enchantments on the item.
// -->
if (attribute.startsWith("enchantments")) {
Set<Map.Entry<Enchantment, Integer>> enchantments = getEnchantments();
ListTag enchants = new ListTag();
for (Map.Entry<Enchantment, Integer> enchantment : enchantments) {
enchants.add(enchantment.getKey().getName());
}
return enchants.getObjectAttribute(attribute.fulfill(1));
}
return null;
}
public Set<Map.Entry<Enchantment, Integer>> getEnchantments() {
if (item.getItemStack().getEnchantments().size() > 0) {
return item.getItemStack().getEnchantments().entrySet();
}
else if (item.getItemStack().hasItemMeta() && item.getItemStack().getItemMeta() instanceof EnchantmentStorageMeta) {
return ((EnchantmentStorageMeta) item.getItemStack().getItemMeta()).getStoredEnchants().entrySet();
}
return new HashSet<>();
}
@Override
public String getPropertyString() {
Set<Map.Entry<Enchantment, Integer>> enchants = getEnchantments();
if (enchants.size() > 0) {
StringBuilder returnable = new StringBuilder();
for (Map.Entry<Enchantment, Integer> enchantment : enchants) {
returnable.append(enchantment.getKey().getName()).append(",").append(enchantment.getValue()).append("|");
}
return returnable.substring(0, returnable.length() - 1);
}
else {
return null;
}
}
@Override
public String getPropertyId() {
return "enchantments";
}
@Override
public void adjust(Mechanism mechanism) {
// <--[mechanism]
// @object ItemTag
// @name remove_enchantments
// @input None
// @description
// Removes the specified enchantments from the item (as a list of enchantment names).
// Give no value input to remove all enchantments.
// @tags
// <ItemTag.enchantments>
// <ItemTag.enchantments.levels>
// <ItemTag.enchantments.with_levels>
// -->
if (mechanism.matches("remove_enchantments")) {
HashSet<String> names = null;
if (mechanism.hasValue()) {
names = new HashSet<>();
for (String ench : mechanism.valueAsType(ListTag.class)) {
names.add(CoreUtilities.toLowerCase(ench));
}
}
if (item.getItemStack().getType() == Material.ENCHANTED_BOOK) {
EnchantmentStorageMeta meta = (EnchantmentStorageMeta) item.getItemStack().getItemMeta();
for (Enchantment ench : meta.getStoredEnchants().keySet()) {
if (names == null || names.contains(CoreUtilities.toLowerCase(ench.getName()))) {
meta.removeStoredEnchant(ench);
}
}
item.getItemStack().setItemMeta(meta);
}
else {
for (Enchantment ench : item.getItemStack().getEnchantments().keySet()) {
if (names == null || names.contains(CoreUtilities.toLowerCase(ench.getName()))) {
item.getItemStack().removeEnchantment(ench);
}
}
}
}
// <--[mechanism]
// @object ItemTag
// @name enchantments
// @input ListTag
// @description
// Sets the item's enchantments.
// For a list of valid enchantment names, refer to <@link url https://hub.spigotmc.org/javadocs/spigot/org/bukkit/enchantments/Enchantment.html>
// @tags
// <ItemTag.enchantments>
// <ItemTag.enchantments.levels>
// <ItemTag.enchantments.with_levels>
// -->
if (mechanism.matches("enchantments")) {
for (String enchant : mechanism.valueAsType(ListTag.class)) {
if (!enchant.contains(",")) {
Debug.echoError("Invalid enchantment format, use name,level|...");
}
else {
String[] data = enchant.split(",", 2);
if (Integer.valueOf(data[1]) == null) {
Debug.echoError("Cannot apply enchantment '" + data[0] + "': '" + data[1] + "' is not a valid integer!");
}
else {
try {
Enchantment ench = Enchantment.getByName(data[0].toUpperCase());
if (ench != null) {
if (item.getItemStack().getType() == Material.ENCHANTED_BOOK) {
EnchantmentStorageMeta meta = (EnchantmentStorageMeta) item.getItemStack().getItemMeta();
meta.addStoredEnchant(ench, Integer.valueOf(data[1]), true);
item.getItemStack().setItemMeta(meta);
}
else {
item.getItemStack().addUnsafeEnchantment(ench, Integer.valueOf(data[1]));
}
}
else {
Debug.echoError("Unknown enchantment '" + data[0] + "'");
}
}
catch (NullPointerException e) {
Debug.echoError("Unknown enchantment '" + data[0] + "'");
}
}
}
}
}
}
}