package de.epiceric.shopchest.utils;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Base64;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicInteger;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Chest;
import org.bukkit.block.DoubleChest;
import org.bukkit.configuration.InvalidConfigurationException;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.PlayerInventory;
import org.bukkit.inventory.meta.BookMeta;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.util.Vector;
import de.epiceric.shopchest.ShopChest;
import de.epiceric.shopchest.config.Placeholder;
import de.epiceric.shopchest.language.LanguageUtils;
import de.epiceric.shopchest.language.Message;
import de.epiceric.shopchest.language.Replacement;
import de.epiceric.shopchest.nms.CustomBookMeta;
import de.epiceric.shopchest.nms.JsonBuilder;
import de.epiceric.shopchest.shop.Shop;
public class Utils {
/**
* Check if two items are similar to each other
* @param itemStack1 The first item
* @param itemStack2 The second item
* @return {@code true} if the given items are similar or {@code false} if not
*/
public static boolean isItemSimilar(ItemStack itemStack1, ItemStack itemStack2) {
if (itemStack1 == null || itemStack2 == null) {
return false;
}
ItemMeta itemMeta1 = itemStack1.getItemMeta();
ItemMeta itemMeta2 = itemStack2.getItemMeta();
if (itemMeta1 instanceof BookMeta && itemMeta2 instanceof BookMeta) {
BookMeta bookMeta1 = (BookMeta) itemStack1.getItemMeta();
BookMeta bookMeta2 = (BookMeta) itemStack2.getItemMeta();
if ((getMajorVersion() == 9 && getRevision() == 1) || getMajorVersion() == 8) {
CustomBookMeta.Generation generation1 = CustomBookMeta.getGeneration(itemStack1);
CustomBookMeta.Generation generation2 = CustomBookMeta.getGeneration(itemStack2);
if (generation1 == null) CustomBookMeta.setGeneration(itemStack1, CustomBookMeta.Generation.ORIGINAL);
if (generation2 == null) CustomBookMeta.setGeneration(itemStack2, CustomBookMeta.Generation.ORIGINAL);
} else {
if (bookMeta1.getGeneration() == null) bookMeta1.setGeneration(BookMeta.Generation.ORIGINAL);
if (bookMeta2.getGeneration() == null) bookMeta2.setGeneration(BookMeta.Generation.ORIGINAL);
}
itemStack1.setItemMeta(bookMeta1);
itemStack2.setItemMeta(bookMeta2);
itemStack1 = decode(encode(itemStack1));
itemStack2 = decode(encode(itemStack2));
}
return itemStack1.isSimilar(itemStack2);
}
/**
* Gets the amount of items in an inventory
*
* @param inventory The inventory, in which the items are counted
* @param itemStack The items to count
* @return Amount of given items in the given inventory
*/
public static int getAmount(Inventory inventory, ItemStack itemStack) {
int amount = 0;
ArrayList<ItemStack> inventoryItems = new ArrayList<>();
if (inventory instanceof PlayerInventory) {
for (int i = 0; i < 37; i++) {
if (i == 36) {
if (getMajorVersion() < 9) {
break;
}
i = 40;
}
inventoryItems.add(inventory.getItem(i));
}
} else {
for (int i = 0; i < inventory.getSize(); i++) {
inventoryItems.add(inventory.getItem(i));
}
}
for (ItemStack item : inventoryItems) {
if (isItemSimilar(item, itemStack)) {
amount += item.getAmount();
}
}
return amount;
}
/**
* Get the amount of the given item, that fits in the given inventory
*
* @param inventory Inventory, where to search for free space
* @param itemStack Item, of which the amount that fits in the inventory should be returned
* @return Amount of the given item, that fits in the given inventory
*/
public static int getFreeSpaceForItem(Inventory inventory, ItemStack itemStack) {
HashMap<Integer, Integer> slotFree = new HashMap<>();
if (inventory instanceof PlayerInventory) {
for (int i = 0; i < 37; i++) {
if (i == 36) {
if (getMajorVersion() < 9) {
break;
}
i = 40;
}
ItemStack item = inventory.getItem(i);
if (item == null || item.getType() == Material.AIR) {
slotFree.put(i, itemStack.getMaxStackSize());
} else {
if (isItemSimilar(item, itemStack)) {
int amountInSlot = item.getAmount();
int amountToFullStack = itemStack.getMaxStackSize() - amountInSlot;
slotFree.put(i, amountToFullStack);
}
}
}
} else {
for (int i = 0; i < inventory.getSize(); i++) {
ItemStack item = inventory.getItem(i);
if (item == null || item.getType() == Material.AIR) {
slotFree.put(i, itemStack.getMaxStackSize());
} else {
if (isItemSimilar(item, itemStack)) {
int amountInSlot = item.getAmount();
int amountToFullStack = itemStack.getMaxStackSize() - amountInSlot;
slotFree.put(i, amountToFullStack);
}
}
}
}
int freeAmount = 0;
for (int value : slotFree.values()) {
freeAmount += value;
}
return freeAmount;
}
/**
* @param p Player whose item in his main hand should be returned
* @return {@link ItemStack} in his main hand, or {@code null} if he doesn't hold one
*/
public static ItemStack getItemInMainHand(Player p) {
if (getMajorVersion() < 9) {
if (p.getItemInHand().getType() == Material.AIR)
return null;
else
return p.getItemInHand();
}
if (p.getInventory().getItemInMainHand().getType() == Material.AIR)
return null;
else
return p.getInventory().getItemInMainHand();
}
/**
* @param p Player whose item in his off hand should be returned
* @return {@link ItemStack} in his off hand, or {@code null} if he doesn't hold one or the server version is below 1.9
*/
public static ItemStack getItemInOffHand(Player p) {
if (getMajorVersion() < 9)
return null;
else if (p.getInventory().getItemInOffHand().getType() == Material.AIR)
return null;
else
return p.getInventory().getItemInOffHand();
}
/**
* @param p Player whose item in his hand should be returned
* @return Item in his main hand, or the item in his off if he doesn't have one in this main hand, or {@code null}
* if he doesn't have one in both hands
*/
public static ItemStack getPreferredItemInHand(Player p) {
if (getMajorVersion() < 9)
return getItemInMainHand(p);
else if (getItemInMainHand(p) != null)
return getItemInMainHand(p);
else
return getItemInOffHand(p);
}
/**
* @param p Player to check if he has an axe in one of his hands
* @return Whether a player has an axe in one of his hands
*/
public static boolean hasAxeInHand(Player p) {
List<String> axes;
if (Utils.getMajorVersion() < 13)
axes = Arrays.asList("WOOD_AXE", "STONE_AXE", "IRON_AXE", "GOLD_AXE", "DIAMOND_AXE");
else
axes = Arrays.asList("WOODEN_AXE", "STONE_AXE", "IRON_AXE", "GOLDEN_AXE", "DIAMOND_AXE");
ItemStack item = getItemInMainHand(p);
if (item == null || !axes.contains(item.getType().toString())) {
item = getItemInOffHand(p);
}
return item != null && axes.contains(item.getType().toString());
}
/**
* <p>Check if a player is allowed to create a shop that sells or buys the given item.</p>
* @param player Player to check
* @param item Item to be sold or bought
* @param buy Whether buying should be enabled
* @param sell Whether selling should be enabled
* @return Whether the player is allowed
*/
public static boolean hasPermissionToCreateShop(Player player, ItemStack item, boolean buy, boolean sell) {
if (hasPermissionToCreateShop(player, item, Permissions.CREATE)) {
return true;
} else if (!sell && buy && hasPermissionToCreateShop(player, item,Permissions.CREATE_BUY)) {
return true;
} else if (!buy && sell && hasPermissionToCreateShop(player, item, Permissions.CREATE_SELL)) {
return true;
} else if (buy && sell && hasPermissionToCreateShop(player, item, Permissions.CREATE_BUY, Permissions.CREATE_SELL)) {
return true;
}
return false;
}
private static boolean hasPermissionToCreateShop(Player player, ItemStack item, String... permissions) {
for (String permission : permissions) {
boolean b1 = false;
boolean b2 = false;
boolean b3 = false;
if (player.hasPermission(permission)) {
b1 = true;
}
if (item != null) {
if (item.getDurability() == 0) {
String perm1 = permission + "." + item.getType().toString();
String perm2 = permission + "." + item.getType().toString() + ".0";
if (player.hasPermission(perm1) || player.hasPermission(perm2)) {
b2 = true;
}
}
if (player.hasPermission(permission + "." + item.getType().toString() + "." + item.getDurability())) {
b3 = true;
}
}
if (!(b1 || b2 || b3)) {
return false;
}
}
return true;
}
/**
* Get a set for the location(s) of the shop's chest(s)
* @param shop The shop
* @return A set of 1 or 2 locations
*/
public static Set<Location> getChestLocations(Shop shop) {
Set<Location> chestLocations = new HashSet<>();
InventoryHolder ih = shop.getInventoryHolder();
if (ih instanceof DoubleChest) {
DoubleChest dc = (DoubleChest) ih;
chestLocations.add(((Chest) dc.getLeftSide()).getLocation());
chestLocations.add(((Chest) dc.getRightSide()).getLocation());
} else {
chestLocations.add(shop.getLocation());
}
return chestLocations;
}
/**
* Send a clickable update notification to the given player.
* @param plugin An instance of the {@link ShopChest} plugin
* @param p The player to receive the notification
*/
public static void sendUpdateMessage(ShopChest plugin, Player p) {
JsonBuilder jb = new JsonBuilder(plugin);
Map<String, JsonBuilder.Part> hoverEvent = new HashMap<>();
hoverEvent.put("action", new JsonBuilder.Part("show_text"));
hoverEvent.put("value", new JsonBuilder.Part(LanguageUtils.getMessage(Message.UPDATE_CLICK_TO_DOWNLOAD)));
Map<String, JsonBuilder.Part> clickEvent = new HashMap<>();
clickEvent.put("action", new JsonBuilder.Part("open_url"));
clickEvent.put("value", new JsonBuilder.Part(plugin.getDownloadLink()));
JsonBuilder.PartMap rootPart = JsonBuilder.parse(LanguageUtils.getMessage(Message.UPDATE_AVAILABLE,
new Replacement(Placeholder.VERSION, plugin.getLatestVersion()))).toMap();
rootPart.setValue("hoverEvent", new JsonBuilder.PartMap(hoverEvent));
rootPart.setValue("clickEvent", new JsonBuilder.PartMap(clickEvent));
jb.setRootPart(rootPart);
jb.sendJson(p);
}
/**
* @param className Name of the class
* @return Class in {@code net.minecraft.server.[VERSION]} package with the specified name or {@code null} if the class was not found
*/
public static Class<?> getNMSClass(String className) {
try {
return Class.forName("net.minecraft.server." + getServerVersion() + "." + className);
} catch (ClassNotFoundException e) {
return null;
}
}
/**
* @param className Name of the class
* @return Class in {@code org.bukkit.craftbukkit.[VERSION]} package with the specified name or {@code null} if the class was not found
*/
public static Class<?> getCraftClass(String className) {
try {
return Class.forName("org.bukkit.craftbukkit." + getServerVersion() + "." + className);
} catch (ClassNotFoundException e) {
return null;
}
}
/**
* Create a NMS data watcher object to send via a {@code PacketPlayOutEntityMetadata} packet.
* Gravity will be disabled and the custom name will be displayed if available.
* @param customName Custom Name of the entity or {@code null}
* @param nmsItemStack NMS ItemStack or {@code null} if armor stand
*/
public static Object createDataWatcher(String customName, Object nmsItemStack) {
String version = getServerVersion();
int majorVersion = getMajorVersion();
try {
Class<?> entityClass = getNMSClass("Entity");
Class<?> entityArmorStandClass = getNMSClass("EntityArmorStand");
Class<?> entityItemClass = getNMSClass("EntityItem");
Class<?> dataWatcherClass = getNMSClass("DataWatcher");
Class<?> dataWatcherObjectClass = getNMSClass("DataWatcherObject");
byte entityFlags = nmsItemStack == null ? (byte) 0b100000 : 0; // invisible if armor stand
byte armorStandFlags = nmsItemStack == null ? (byte) 0b10000 : 0; // marker (since 1.8_R2)
Object dataWatcher = dataWatcherClass.getConstructor(entityClass).newInstance((Object) null);
if (majorVersion < 9) {
if (getRevision() == 1) armorStandFlags = 0; // Marker not supported on 1.8_R1
Method a = dataWatcherClass.getMethod("a", int.class, Object.class);
a.invoke(dataWatcher, 0, entityFlags); // flags
a.invoke(dataWatcher, 1, (short) 300); // air ticks (?)
a.invoke(dataWatcher, 3, (byte) (customName != null ? 1 : 0)); // custom name visible
a.invoke(dataWatcher, 2, customName != null ? customName : ""); // custom name
a.invoke(dataWatcher, 4, (byte) 1); // silent
a.invoke(dataWatcher, 10, nmsItemStack == null ? armorStandFlags : nmsItemStack); // item / armor stand flags
} else {
Method register = dataWatcherClass.getMethod("register", dataWatcherObjectClass, Object.class);
String[] dataWatcherObjectFieldNames;
if ("v1_9_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"ax", "ay", "aA", "az", "aB", null, "c", "a"};
} else if ("v1_9_R2".equals(version)){
dataWatcherObjectFieldNames = new String[] {"ay", "az", "aB", "aA", "aC", null, "c", "a"};
} else if ("v1_10_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"aa", "az", "aB", "aA", "aC", "aD", "c", "a"};
} else if ("v1_11_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"Z", "az", "aB", "aA", "aC", "aD", "c", "a"};
} else if ("v1_12_R1".equals(version) || "v1_12_R2".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"Z", "aA", "aC", "aB", "aD", "aE", "c", "a"};
} else if ("v1_13_R1".equals(version) || "v1_13_R2".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"ac", "aD", "aF", "aE", "aG", "aH", "b", "a"};
} else if ("v1_14_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"W", "AIR_TICKS", "aA", "az", "aB", "aC", "ITEM", "b"};
} else if ("v1_15_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"T", "AIR_TICKS", "aA", "az", "aB", "aC", "ITEM", "b"};
} else if ("v1_16_R1".equals(version)) {
dataWatcherObjectFieldNames = new String[] {"T", "AIR_TICKS", "ay", "ax", "az", "aA", "ITEM", "b"};
} else {
return null;
}
Field fEntityFlags = entityClass.getDeclaredField(dataWatcherObjectFieldNames[0]);
Field fAirTicks = entityClass.getDeclaredField(dataWatcherObjectFieldNames[1]);
Field fNameVisible = entityClass.getDeclaredField(dataWatcherObjectFieldNames[2]);
Field fCustomName = entityClass.getDeclaredField(dataWatcherObjectFieldNames[3]);
Field fSilent = entityClass.getDeclaredField(dataWatcherObjectFieldNames[4]);
Field fNoGravity = majorVersion >= 10 ? entityClass.getDeclaredField(dataWatcherObjectFieldNames[5]) : null;
Field fItem = entityItemClass.getDeclaredField(dataWatcherObjectFieldNames[6]);
Field fArmorStandFlags = entityArmorStandClass.getDeclaredField(dataWatcherObjectFieldNames[7]);
fEntityFlags.setAccessible(true);
fAirTicks.setAccessible(true);
fNameVisible.setAccessible(true);
fCustomName.setAccessible(true);
fSilent.setAccessible(true);
if (majorVersion >= 10) fNoGravity.setAccessible(true);
fItem.setAccessible(true);
fArmorStandFlags.setAccessible(true);
register.invoke(dataWatcher, fEntityFlags.get(null), entityFlags);
register.invoke(dataWatcher, fAirTicks.get(null), 300);
register.invoke(dataWatcher, fNameVisible.get(null), customName != null);
register.invoke(dataWatcher, fSilent.get(null), true);
if (majorVersion < 13) register.invoke(dataWatcher, fCustomName.get(null), customName != null ? customName : "");
if (nmsItemStack != null) {
register.invoke(dataWatcher, fItem.get(null), majorVersion < 11 ? com.google.common.base.Optional.of(nmsItemStack) : nmsItemStack);
} else {
register.invoke(dataWatcher, fArmorStandFlags.get(null), armorStandFlags);
}
if (majorVersion >= 10) {
register.invoke(dataWatcher, fNoGravity.get(null), true);
if (majorVersion >= 13) {
if (customName != null) {
Class<?> chatSerializerClass = Utils.getNMSClass("IChatBaseComponent$ChatSerializer");
Object iChatBaseComponent = chatSerializerClass.getMethod("a", String.class).invoke(null, JsonBuilder.parse(customName).toString());
register.invoke(dataWatcher, fCustomName.get(null), Optional.of(iChatBaseComponent));
} else {
register.invoke(dataWatcher, fCustomName.get(null), Optional.empty());
}
}
}
}
return dataWatcher;
} catch (InstantiationException | InvocationTargetException | NoSuchFieldException | IllegalAccessException | NoSuchMethodException e) {
ShopChest.getInstance().getLogger().severe("Failed to create data watcher!");
ShopChest.getInstance().debug("Failed to create data watcher");
ShopChest.getInstance().debug(e);
}
return null;
}
/**
* Get a free entity ID for use in {@link #createPacketSpawnEntity(ShopChest, int, UUID, Location, Vector, EntityType)}
*
* @return The id or {@code -1} if a free entity ID could not be retrieved.
*/
public static int getFreeEntityId() {
try {
Class<?> entityClass = getNMSClass("Entity");
Field entityCountField = entityClass.getDeclaredField("entityCount");
entityCountField.setAccessible(true);
if (entityCountField.getType() == int.class) {
int id = entityCountField.getInt(null);
entityCountField.setInt(null, id+1);
return id;
} else if (entityCountField.getType() == AtomicInteger.class) {
return ((AtomicInteger) entityCountField.get(null)).incrementAndGet();
}
return -1;
} catch (Exception e) {
return -1;
}
}
/**
* Create a {@code PacketPlayOutSpawnEntity} object.
* Only {@link EntityType#ARMOR_STAND} and {@link EntityType#DROPPED_ITEM} are supported!
*/
public static Object createPacketSpawnEntity(ShopChest plugin, int id, UUID uuid, Location loc, EntityType type) {
try {
Class<?> packetClass = getNMSClass("PacketPlayOutSpawnEntity");
Object packet = packetClass.getConstructor().newInstance();
boolean isPre9 = getMajorVersion() < 9;
boolean isPre14 = getMajorVersion() < 14;
Field[] fields = new Field[12];
fields[0] = packetClass.getDeclaredField("a"); // ID
fields[1] = packetClass.getDeclaredField("b"); // UUID (Only 1.9+)
fields[2] = packetClass.getDeclaredField(isPre9 ? "b" : "c"); // Loc X
fields[3] = packetClass.getDeclaredField(isPre9 ? "c" : "d"); // Loc Y
fields[4] = packetClass.getDeclaredField(isPre9 ? "d" : "e"); // Loc Z
fields[5] = packetClass.getDeclaredField(isPre9 ? "e" : "f"); // Mot X
fields[6] = packetClass.getDeclaredField(isPre9 ? "f" : "g"); // Mot Y
fields[7] = packetClass.getDeclaredField(isPre9 ? "g" : "h"); // Mot Z
fields[8] = packetClass.getDeclaredField(isPre9 ? "h" : "i"); // Pitch
fields[9] = packetClass.getDeclaredField(isPre9 ? "i" : "j"); // Yaw
fields[10] = packetClass.getDeclaredField(isPre9 ? "j" : "k"); // Type
fields[11] = packetClass.getDeclaredField(isPre9 ? "k" : "l"); // Data
for (Field field : fields) {
field.setAccessible(true);
}
Object entityType = null;
if (!isPre14) {
Class<?> entityTypesClass = getNMSClass("EntityTypes");
entityType = entityTypesClass.getField(type == EntityType.ARMOR_STAND ? "ARMOR_STAND" : "ITEM").get(null);
}
double y = loc.getY();
if (type == EntityType.ARMOR_STAND && !getServerVersion().equals("v1_8_R1")) {
// Marker armor stand => lift by normal armor stand height
y += 1.975;
}
fields[0].set(packet, id);
if (!isPre9) fields[1].set(packet, uuid);
if (isPre9) {
fields[2].set(packet, (int)(loc.getX() * 32));
fields[3].set(packet, (int)(y * 32));
fields[4].set(packet, (int)(loc.getZ() * 32));
} else {
fields[2].set(packet, loc.getX());
fields[3].set(packet, y);
fields[4].set(packet, loc.getZ());
}
fields[5].set(packet, 0);
fields[6].set(packet, 0);
fields[7].set(packet, 0);
fields[8].set(packet, 0);
fields[9].set(packet, 0);
if (isPre14) fields[10].set(packet, type == EntityType.ARMOR_STAND ? 78 : 2);
else fields[10].set(packet, entityType);
fields[11].set(packet, 0);
return packet;
} catch (NoSuchMethodException | NoSuchFieldException | IllegalAccessException | InvocationTargetException | InstantiationException e) {
plugin.getLogger().severe("Failed to create packet to spawn entity!");
plugin.debug("Failed to create packet to spawn entity!");
plugin.debug(e);
return null;
}
}
/**
* Send a packet to a player
* @param plugin An instance of the {@link ShopChest} plugin
* @param packet Packet to send
* @param player Player to which the packet should be sent
* @return {@code true} if the packet was sent, or {@code false} if an exception was thrown
*/
public static boolean sendPacket(ShopChest plugin, Object packet, Player player) {
try {
if (packet == null) {
plugin.debug("Failed to send packet: Packet is null");
return false;
}
Class<?> packetClass = getNMSClass("Packet");
if (packetClass == null) {
plugin.debug("Failed to send packet: Could not find Packet class");
return false;
}
Object nmsPlayer = player.getClass().getMethod("getHandle").invoke(player);
Object playerConnection = nmsPlayer.getClass().getField("playerConnection").get(nmsPlayer);
playerConnection.getClass().getMethod("sendPacket", packetClass).invoke(playerConnection, packet);
return true;
} catch (NoSuchMethodException | NoSuchFieldException | IllegalAccessException | InvocationTargetException e) {
plugin.getLogger().severe("Failed to send packet " + packet.getClass().getName());
plugin.debug("Failed to send packet " + packet.getClass().getName());
plugin.debug(e);
return false;
}
}
/**
* @return The current server version with revision number (e.g. v1_9_R2, v1_10_R1)
*/
public static String getServerVersion() {
String packageName = Bukkit.getServer().getClass().getPackage().getName();
return packageName.substring(packageName.lastIndexOf('.') + 1);
}
/**
* @return The revision of the current server version (e.g. <i>2</i> for v1_9_R2, <i>1</i> for v1_10_R1)
*/
public static int getRevision() {
return Integer.parseInt(getServerVersion().substring(getServerVersion().length() - 1));
}
/**
* @return The major version of the server (e.g. <i>9</i> for 1.9.2, <i>10</i> for 1.10)
*/
public static int getMajorVersion() {
return Integer.parseInt(getServerVersion().split("_")[1]);
}
/**
* Encodes an {@link ItemStack} in a Base64 String
* @param itemStack {@link ItemStack} to encode
* @return Base64 encoded String
*/
public static String encode(ItemStack itemStack) {
YamlConfiguration config = new YamlConfiguration();
config.set("i", itemStack);
return Base64.getEncoder().encodeToString(config.saveToString().getBytes(StandardCharsets.UTF_8));
}
/**
* Decodes an {@link ItemStack} from a Base64 String
* @param string Base64 encoded String to decode
* @return Decoded {@link ItemStack}
*/
public static ItemStack decode(String string) {
YamlConfiguration config = new YamlConfiguration();
try {
config.loadFromString(new String(Base64.getDecoder().decode(string), StandardCharsets.UTF_8));
} catch (IllegalArgumentException | InvalidConfigurationException e) {
e.printStackTrace();
return null;
}
return config.getItemStack("i", null);
}
}
