mirror of
https://github.com/plexusorg/Plex-FAWE.git
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166 lines
6.4 KiB
Java
166 lines
6.4 KiB
Java
/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team 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 <https://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.command.tool;
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import com.boydti.fawe.config.Caption;
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import com.boydti.fawe.object.collection.LocalBlockVectorSet;
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import com.sk89q.worldedit.EditSession;
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import com.sk89q.worldedit.LocalConfiguration;
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import com.sk89q.worldedit.LocalSession;
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import com.sk89q.worldedit.MaxChangedBlocksException;
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import com.sk89q.worldedit.entity.Player;
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import com.sk89q.worldedit.extension.platform.Actor;
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import com.sk89q.worldedit.extension.platform.Platform;
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import com.sk89q.worldedit.math.BlockVector3;
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import com.sk89q.worldedit.util.Direction;
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import com.sk89q.worldedit.util.Location;
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import com.sk89q.worldedit.world.World;
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import com.sk89q.worldedit.world.block.BlockCategories;
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import com.sk89q.worldedit.world.block.BlockState;
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import com.sk89q.worldedit.world.block.BlockType;
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import com.sk89q.worldedit.world.block.BlockTypes;
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import org.jetbrains.annotations.Nullable;
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import java.util.Iterator;
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import java.util.Set;
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/**
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* A pickaxe mode that removes floating treetops (logs and leaves not connected
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* to anything else).
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*/
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public class FloatingTreeRemover implements BlockTool {
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private final int rangeSq;
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public FloatingTreeRemover() {
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rangeSq = 100 * 100;
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}
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@Override
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public boolean canUse(Actor player) {
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return player.hasPermission("worldedit.tool.deltree");
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}
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private boolean isTreeBlock(BlockType type) {
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return BlockCategories.LEAVES.contains(type)
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|| BlockCategories.LOGS.contains(type)
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|| type == BlockTypes.RED_MUSHROOM_BLOCK
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|| type == BlockTypes.BROWN_MUSHROOM_BLOCK
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|| type == BlockTypes.MUSHROOM_STEM
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|| type == BlockTypes.VINE;
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}
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@Override
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public boolean actPrimary(Platform server, LocalConfiguration config,
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Player player, LocalSession session, Location clicked,
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@Nullable Direction face) {
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final World world = (World) clicked.getExtent();
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final BlockState state = world.getBlock(clicked.toVector().toBlockPoint());
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if (!isTreeBlock(state.getBlockType())) {
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player.print(Caption.of("worldedit.tool.deltree.not-tree"));
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return true;
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}
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try (EditSession editSession = session.createEditSession(player, "FloatingTreeRemover")) {
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try {
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final Set<BlockVector3> blockSet = bfs(world, clicked.toVector().toBlockPoint());
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if (blockSet == null) {
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player.print(Caption.of("worldedit.tool.deltree.not-floating"));
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return true;
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}
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for (BlockVector3 blockVector : blockSet) {
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final BlockState otherState = editSession.getBlock(blockVector);
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if (isTreeBlock(otherState.getBlockType())) {
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editSession.setBlock(blockVector, BlockTypes.AIR.getDefaultState());
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}
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}
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} catch (MaxChangedBlocksException e) {
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player.print(Caption.of("worldedit.tool.max-block-changes"));
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} finally {
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session.remember(editSession);
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}
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}
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return true;
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}
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private final BlockVector3[] recurseDirections = {
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Direction.NORTH.toBlockVector(),
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Direction.EAST.toBlockVector(),
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Direction.SOUTH.toBlockVector(),
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Direction.WEST.toBlockVector(),
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Direction.UP.toBlockVector(),
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Direction.DOWN.toBlockVector(),
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};
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/**
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* Helper method.
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*
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* @param world the world that contains the tree
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* @param origin any point contained in the floating tree
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* @return a set containing all blocks in the tree/shroom or null if this is not a floating tree/shroom.
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*/
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private Set<BlockVector3> bfs(World world, BlockVector3 origin) {
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final LocalBlockVectorSet visited = new LocalBlockVectorSet();
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final LocalBlockVectorSet queue = new LocalBlockVectorSet();
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queue.add(origin);
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visited.add(origin);
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while (!queue.isEmpty()) {
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Iterator<BlockVector3> iter = queue.iterator();
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while (iter.hasNext()) {
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final BlockVector3 current = iter.next();
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iter.remove();
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for (BlockVector3 recurseDirection : recurseDirections) {
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final BlockVector3 next = current.add(recurseDirection);
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if (origin.distanceSq(next) > rangeSq) {
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// Maximum range exceeded => stop walking
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continue;
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}
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if (visited.add(next)) {
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BlockState state = world.getBlock(next);
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if (state.getBlockType().getMaterial().isAir()
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|| state.getBlockType() == BlockTypes.SNOW) {
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continue;
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}
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if (isTreeBlock(state.getBlockType())) {
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queue.add(next);
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} else {
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// we hit something solid - evaluate where we came from
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final BlockType currentType = world.getBlock(current).getBlockType();
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if (!BlockCategories.LEAVES.contains(currentType)
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&& currentType != BlockTypes.VINE) {
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// log/shroom touching a wall/the ground => this is not a floating tree, bail out
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return null;
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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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return visited;
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}
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}
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