Add non Functional NBT Checker
Signed-off-by: Chaoscaot <chaoscaot444@gmail.com>
Dieser Commit ist enthalten in:
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d56263fa15
Commit
bcc5836ec2
@ -0,0 +1,64 @@
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/*
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* This file is a part of the SteamWar software.
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*
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* Copyright (C) 2021 SteamWar.de-Serverteam
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.steamwar.bausystem.features.world;
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import net.minecraft.server.v1_15_R1.NBTBase;
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import net.minecraft.server.v1_15_R1.NBTTagCompound;
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import net.minecraft.server.v1_15_R1.NBTTagList;
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import org.bukkit.craftbukkit.v1_15_R1.inventory.CraftItemStack;
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import org.bukkit.inventory.ItemStack;
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public class InventoryListener_15 {
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public static boolean checkItemStack(ItemStack item) {
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net.minecraft.server.v1_15_R1.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
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NBTTagCompound tag = nmsItem.getTag();
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assert tag != null;
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NBTTagCompound blockTag = tag.getCompound("BlockEntityTag");
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assert blockTag != null;
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if (blockTag.hasKey("Items")) {
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return drillDown(blockTag.getList("Items", 10), 0, 0) > 1024;
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}
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return false;
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}
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private static int drillDown(NBTTagList items, int layer, int start) {
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if (layer > 2) return start;
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int invalid = start;
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for (NBTBase nbtBase : items) {
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if (!(nbtBase instanceof NBTTagCompound))
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continue;
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NBTTagCompound slot = (NBTTagCompound) nbtBase;
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if (slot.hasKey("tag")) {
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invalid += slot.getByte("Count");
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NBTTagCompound iTag = slot.getCompound("tag");
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if (iTag.hasKey("BlockEntityTag")) {
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NBTTagCompound blockTag = iTag.getCompound("BlockEntityTag");
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if (blockTag.hasKey("Items")) {
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invalid = drillDown(blockTag.getList("Items", 10), layer + 1, invalid);
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}
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}
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}
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if (invalid > 1024)
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break;
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}
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return invalid;
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}
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}
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@ -22,6 +22,7 @@ package de.steamwar.bausystem.features.world;
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import de.steamwar.bausystem.linkage.LinkageType;
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import de.steamwar.bausystem.linkage.Linked;
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import de.steamwar.core.Core;
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import de.steamwar.core.VersionedCallable;
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import org.bukkit.attribute.Attribute;
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import org.bukkit.enchantments.Enchantment;
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import org.bukkit.event.EventHandler;
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@ -60,6 +61,11 @@ public class InventoryListener implements Listener {
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}
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stack.setItemMeta(meta);
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}
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if (VersionedCallable.<Boolean>call(new VersionedCallable<Boolean>(() -> InventoryListener_15.checkItemStack(stack), 15))) {
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e.setCurrentItem(null);
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return;
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}
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e.setCurrentItem(stack);
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}
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}
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