115 lines
4.9 KiB
Java
115 lines
4.9 KiB
Java
/*
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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 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package fr.neatmonster.nocheatplus.checks.inventory;
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import org.bukkit.Location;
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import org.bukkit.Material;
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import org.bukkit.World;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.FallingBlock;
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import org.bukkit.entity.Item;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.EventPriority;
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import org.bukkit.event.Listener;
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import org.bukkit.event.entity.EntityPortalEnterEvent;
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import fr.neatmonster.nocheatplus.NCPAPIProvider;
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import fr.neatmonster.nocheatplus.compat.BridgeMaterial;
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import fr.neatmonster.nocheatplus.compat.versions.ServerVersion;
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import fr.neatmonster.nocheatplus.logging.Streams;
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import fr.neatmonster.nocheatplus.utilities.ReflectionUtil;
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import fr.neatmonster.nocheatplus.utilities.location.LocUtil;
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import fr.neatmonster.nocheatplus.utilities.map.BlockCache;
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import fr.neatmonster.nocheatplus.utilities.map.BlockProperties;
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import fr.neatmonster.nocheatplus.utilities.map.WrapBlockCache;
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import fr.neatmonster.nocheatplus.worlds.IWorldData;
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/**
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* Hot fix for 1.9 and 1.10 (possibly later?): falling block duplication via end
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* portals + pistons.
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* <hr>
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* For registration use NoCheatPlusAPI.addComponent.
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*
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* @author asofold
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*
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*/
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public class HotFixFallingBlockPortalEnter implements Listener {
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public static void testAvailability() {
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if (ReflectionUtil.getClass("org.bukkit.event.entity.EntityPortalEnterEvent") == null
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|| ReflectionUtil.getClass("org.bukkit.entity.FallingBlock") == null) {
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throw new RuntimeException("Not available.");
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}
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if (!ServerVersion.isMinecraftVersionUnknown() && ServerVersion.compareMinecraftVersion("1.9") < 0) {
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throw new RuntimeException("Not needed.");
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}
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}
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/** Temporary use only: setWorld(null) after use. */
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private final Location useLoc = new Location(null, 0, 0, 0);
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private final WrapBlockCache wrapBlockCache; // TODO: Fetch a getter from the registry.
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public HotFixFallingBlockPortalEnter() {
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testAvailability();
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wrapBlockCache = new WrapBlockCache();
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}
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@EventHandler(priority=EventPriority.MONITOR)
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public void onEntityPortalEnter(EntityPortalEnterEvent event) {
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final Entity entity = event.getEntity();
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final Material mat;
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if (entity instanceof FallingBlock) {
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mat = ((FallingBlock) entity).getMaterial();
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}
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else if (entity instanceof Item) {
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// TODO: Not sure if needed.
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if (((Item) entity).getItemStack().getType().hasGravity()) {
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mat = ((Item) entity).getItemStack().getType();
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}
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else {
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mat = null;
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}
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}
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else {
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mat = null;
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}
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if (mat != null) {
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final Location loc = entity.getLocation(useLoc);
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final World world = loc.getWorld();
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final IWorldData worldData = NCPAPIProvider.getNoCheatPlusAPI().getWorldDataManager().getWorldData(world);
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if (worldData.getGenericInstance(InventoryConfig.class).hotFixFallingBlockEndPortalActive) {
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final BlockCache blockCache = wrapBlockCache.getBlockCache();
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blockCache.setAccess(world);
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final boolean nearbyPortal = BlockProperties.collidesId(blockCache,
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loc.getX() - 2.0, loc.getY() - 2.0, loc.getZ() - 2.0,
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loc.getX() + 3.0, loc.getY() + 3.0, loc.getZ() + 3.0,
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BridgeMaterial.END_PORTAL);
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blockCache.cleanup();
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if (nearbyPortal) {
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// Likely spigot currently removes entities entering portals anyway (cross-world teleport issues).
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// On remove: Looks like setDropItem(false) wouldn't suffice.
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entity.remove();
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// TODO: STATUS: should have another stream for violations/protection.
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final String message = "[INVENTORY_HOTFIX] Remove falling block entering a portal near an end portal: " + mat + " at " + world.getName() + "/" + LocUtil.simpleFormatPosition(loc);
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NCPAPIProvider.getNoCheatPlusAPI().getLogManager().info(Streams.STATUS, message);
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}
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}
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useLoc.setWorld(null);
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}
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}
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}
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