110 lines
4.0 KiB
Java
110 lines
4.0 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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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 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 com.viaversion.viaversion.bukkit.listeners.protocol1_9to1_8;
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import com.viaversion.viaversion.bukkit.listeners.ViaBukkitListener;
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import com.viaversion.viaversion.bukkit.util.CollisionChecker;
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import com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8;
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import org.bukkit.Location;
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import org.bukkit.Material;
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import org.bukkit.block.Block;
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import org.bukkit.block.BlockFace;
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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.block.BlockPlaceEvent;
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import org.bukkit.plugin.Plugin;
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public class PaperPatch extends ViaBukkitListener {
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private final CollisionChecker CHECKER = CollisionChecker.getInstance();
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public PaperPatch(Plugin plugin) {
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super(plugin, Protocol1_9To1_8.class);
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}
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/*
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This patch is applied when Paper is detected.
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I'm unsure of what causes this but essentially,
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placing blocks where you're standing works?
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If there is a better fix then we'll replace this.
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*/
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@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
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public void onPlace(BlockPlaceEvent e) {
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if (!isOnPipe(e.getPlayer())) return;
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if (CHECKER != null) {
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Boolean intersect = CHECKER.intersects(e.getBlockPlaced(), e.getPlayer());
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if (intersect != null) {
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if (intersect) e.setCancelled(true);
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return;
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}
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}
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Material block = e.getBlockPlaced().getType();
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if (isPlacable(block)) {
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return;
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}
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Location location = e.getPlayer().getLocation();
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Block locationBlock = location.getBlock();
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if (locationBlock.equals(e.getBlock())) {
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e.setCancelled(true);
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} else {
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if (locationBlock.getRelative(BlockFace.UP).equals(e.getBlock())) {
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e.setCancelled(true);
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} else {
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Location diff = location.clone().subtract(e.getBlock().getLocation().add(0.5D, 0, 0.5D));
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// Within radius of block
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if (Math.abs(diff.getX()) <= 0.8 && Math.abs(diff.getZ()) <= 0.8D) {
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// Are they on the edge / shifting ish
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if (diff.getY() <= 0.1D && diff.getY() >= -0.1D) {
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e.setCancelled(true);
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return;
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}
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BlockFace relative = e.getBlockAgainst().getFace(e.getBlock());
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// Are they towering up, (handles some latency)
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if (relative == BlockFace.UP) {
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if (diff.getY() < 1D && diff.getY() >= 0D) {
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e.setCancelled(true);
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}
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}
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}
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}
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}
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}
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private boolean isPlacable(Material material) {
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if (!material.isSolid()) return true;
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// signs, pressure plates, doors, and banners
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switch (material.getId()) {
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case 63: // SIGN_POST
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case 68: // WALL_SIGN
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case 70: // STONE_PLATE
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case 72: // WOOD_PLATE
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case 147: // GOLD_PLATE
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case 148: // IRON_PLATE
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case 176: // STANDING_BANNER
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case 177: // WALL_BANNER
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return true;
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default:
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return false;
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}
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}
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}
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