From 329bb7db4b3ba9e5608138e074a675ebaeb11713 Mon Sep 17 00:00:00 2001 From: DaniFoldi Date: Mon, 3 Jan 2022 14:16:26 +0100 Subject: [PATCH] Fix --- plugin/pom.xml | 4 - .../de/epiceric/shopchest/utils/Utils.java | 709 ------------------ 2 files changed, 713 deletions(-) delete mode 100644 src/main/java/de/epiceric/shopchest/utils/Utils.java diff --git a/plugin/pom.xml b/plugin/pom.xml index 4a9b2c6..fd50fb3 100644 --- a/plugin/pom.xml +++ b/plugin/pom.xml @@ -68,10 +68,6 @@ org.codemc.worldguardwrapper worldguardwrapper - - org.bstats - bstats-bukkit - com.zaxxer HikariCP diff --git a/src/main/java/de/epiceric/shopchest/utils/Utils.java b/src/main/java/de/epiceric/shopchest/utils/Utils.java deleted file mode 100644 index 2309f06..0000000 --- a/src/main/java/de/epiceric/shopchest/utils/Utils.java +++ /dev/null @@ -1,709 +0,0 @@ -package de.epiceric.shopchest.utils; - -import java.lang.reflect.Constructor; -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 net.kyori.adventure.text.Component; -import net.kyori.adventure.text.event.ClickEvent; -import net.kyori.adventure.text.event.HoverEvent; -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.block.ShulkerBox; -import org.bukkit.configuration.InvalidConfigurationException; -import org.bukkit.configuration.file.YamlConfiguration; -import org.bukkit.enchantments.Enchantment; -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.BlockStateMeta; -import org.bukkit.inventory.meta.BookMeta; -import org.bukkit.inventory.meta.EnchantmentStorageMeta; -import org.bukkit.inventory.meta.ItemMeta; -import org.bukkit.util.Vector; -import org.inventivetalent.reflection.resolver.FieldResolver; -import org.inventivetalent.reflection.resolver.minecraft.NMSClassResolver; - -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 { - static NMSClassResolver nmsClassResolver = new NMSClassResolver(); - static Class entityClass = nmsClassResolver.resolveSilent("world.entity.Entity"); - static Class entityArmorStandClass = nmsClassResolver.resolveSilent("world.entity.decoration.EntityArmorStand"); - static Class entityItemClass = nmsClassResolver.resolveSilent("world.entity.item.EntityItem"); - static Class dataWatcherClass = nmsClassResolver.resolveSilent("network.syncher.DataWatcher"); - static Class dataWatcherObjectClass = nmsClassResolver.resolveSilent("network.syncher.DataWatcherObject"); - static Class chatSerializerClass = nmsClassResolver.resolveSilent("ChatSerializer", "network.chat.IChatBaseComponent$ChatSerializer"); - - private 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)); - } - - if (itemMeta1 instanceof BlockStateMeta && itemMeta2 instanceof BlockStateMeta) { - BlockStateMeta blockMeta1 = (BlockStateMeta)itemMeta1; - BlockStateMeta blockMeta2 = (BlockStateMeta)itemMeta2; - - if (blockMeta1.getBlockState() instanceof ShulkerBox && blockMeta2.getBlockState() instanceof ShulkerBox) { - ShulkerBox box1 = (ShulkerBox)blockMeta1.getBlockState(); - ShulkerBox box2 = (ShulkerBox)blockMeta2.getBlockState(); - - if (!box1.getInventory().isEmpty() && !box2.getInventory().isEmpty()) { - return false; - } - } - } - - if (itemMeta1 instanceof EnchantmentStorageMeta && itemMeta2 instanceof EnchantmentStorageMeta) { - EnchantmentStorageMeta book1 = (EnchantmentStorageMeta)itemMeta1; - EnchantmentStorageMeta book2 = (EnchantmentStorageMeta)itemMeta2; - - if (book1.hasStoredEnchants() != book2.hasStoredEnchants()) { - return false; - } - - for (Map.Entry enchantment: book1.getStoredEnchants().entrySet()) { - if (!book2.hasStoredEnchant(enchantment.getKey())) { - return false; - } - if (book2.getStoredEnchantLevel(enchantment.getKey()) != enchantment.getValue()) { - return false; - } - } - - //Cross-check for set equivalence - for (Map.Entry enchantment: book2.getStoredEnchants().entrySet()) { - if (!book1.hasStoredEnchant(enchantment.getKey())) { - return false; - } - if (book1.getStoredEnchantLevel(enchantment.getKey()) != enchantment.getValue()) { - return false; - } - } - - return true; - } - - 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 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 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 axes; - if (Utils.getMajorVersion() < 13) - axes = Arrays.asList("WOOD_AXE", "STONE_AXE", "IRON_AXE", "GOLD_AXE", "DIAMOND_AXE"); - else { - if (Utils.getMajorVersion() < 16) { - axes = Arrays.asList("WOODEN_AXE", "STONE_AXE", "IRON_AXE", "GOLDEN_AXE", "DIAMOND_AXE"); - } else { - axes = Arrays.asList("WOODEN_AXE", "STONE_AXE", "IRON_AXE", "GOLDEN_AXE", "DIAMOND_AXE", "NETHERITE_AXE"); - } - } - - ItemStack item = getItemInMainHand(p); - if (item == null || !axes.contains(item.getType().toString())) { - item = getItemInOffHand(p); - } - - return item != null && axes.contains(item.getType().toString()); - } - - /** - *

Check if a player is allowed to create a shop that sells or buys the given item.

- * @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 getChestLocations(Shop shop) { - Set 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) { - Component message = Component.text(LanguageUtils.getMessage(Message.UPDATE_AVAILABLE, new Replacement(Placeholder.VERSION, plugin.getLatestVersion()))) - .hoverEvent(HoverEvent.showText(Component.text(LanguageUtils.getMessage(Message.UPDATE_CLICK_TO_DOWNLOAD)))) - .clickEvent(ClickEvent.openUrl(plugin.getDownloadLink())); - - p.sendMessage(message); - } - - /** - * 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 { - 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; - if (majorVersion < 18) { - register = dataWatcherClass.getMethod("register", dataWatcherObjectClass, Object.class); - } else { - register = dataWatcherClass.getMethod("a",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 if ("v1_16_R2".equals(version) || "v1_16_R3".equals(version)) { - dataWatcherObjectFieldNames = new String[] {"S", "AIR_TICKS", "ar", "aq", "as", "at", "ITEM", "b"}; - } else if ("v1_17_R1".equals(version)) { - dataWatcherObjectFieldNames = new String[] {"Z", "aI", "aK", "aJ", "aL", "aM", "c", "bG"}; - } else if ("v1_18_R1".equals(version)) { - dataWatcherObjectFieldNames = new String[] {"aa", "aK", "aM", "aL", "aN", "aO", "c", "bH"}; - } 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 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) { - 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, EntityType)} - * - * @return The id or {@code -1} if a free entity ID could not be retrieved. - */ - public static int getFreeEntityId() { - try { - Field entityCountField = new FieldResolver(entityClass).resolve("entityCount", "b"); - 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 packetPlayOutSpawnEntityClass = nmsClassResolver.resolveSilent("network.protocol.game.PacketPlayOutSpawnEntity"); - Class entityTypesClass = nmsClassResolver.resolveSilent("world.entity.EntityTypes"); - Class vec3dClass = nmsClassResolver.resolveSilent("world.phys.Vec3D"); - - boolean isPre9 = getMajorVersion() < 9; - boolean isPre14 = getMajorVersion() < 14; - - 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; - } - - if (getMajorVersion() >= 17) { - // Empty packet constructor does not exist anymore in 1.17+ - Constructor c = packetPlayOutSpawnEntityClass.getConstructor(int.class, UUID.class, double.class, double.class, double.class, - float.class, float.class, entityTypesClass, int.class, vec3dClass); - - Object vec3d = vec3dClass.getField("a").get(null); - Object entityType = entityTypesClass.getField(type == EntityType.ARMOR_STAND ? "c" : "Q").get(null); - - return c.newInstance(id, uuid, loc.getX(), y, loc.getZ(), 0f, 0f, entityType, 0, vec3d); - } - - Object packet = packetPlayOutSpawnEntityClass.getConstructor().newInstance(); - - Field[] fields = new Field[12]; - fields[0] = packetPlayOutSpawnEntityClass.getDeclaredField("a"); // ID - fields[1] = packetPlayOutSpawnEntityClass.getDeclaredField("b"); // UUID (Only 1.9+) - fields[2] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "b" : "c"); // Loc X - fields[3] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "c" : "d"); // Loc Y - fields[4] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "d" : "e"); // Loc Z - fields[5] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "e" : "f"); // Mot X - fields[6] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "f" : "g"); // Mot Y - fields[7] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "g" : "h"); // Mot Z - fields[8] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "h" : "i"); // Pitch - fields[9] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "i" : "j"); // Yaw - fields[10] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "j" : "k"); // Type - fields[11] = packetPlayOutSpawnEntityClass.getDeclaredField(isPre9 ? "k" : "l"); // Data - - for (Field field : fields) { - field.setAccessible(true); - } - - Object entityType = null; - if (!isPre14) { - entityType = entityTypesClass.getField(type == EntityType.ARMOR_STAND ? "ARMOR_STAND" : "ITEM").get(null); - } - - 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) { - if (player.getClass().getName().contains("citizensnpcs")) { - return false; - } - - try { - if (packet == null) { - plugin.debug("Failed to send packet: Packet is null"); - return false; - } - - Class packetClass = nmsClassResolver.resolveSilent("network.protocol.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); - Field fConnection = (new FieldResolver(nmsPlayer.getClass())).resolve("playerConnection", "b"); - Object playerConnection = fConnection.get(nmsPlayer); - - if (getMajorVersion() < 18) { - playerConnection.getClass().getMethod("sendPacket", packetClass).invoke(playerConnection, packet); - } else { - - } - - 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. 2 for v1_9_R2, 1 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. 9 for 1.9.2, 10 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); - } - - -}