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RecursivePickaxe.java
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RecursivePickaxe.java
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/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.command.tool;
import com.sk89q.worldedit.BlockVector;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.LocalConfiguration;
import com.sk89q.worldedit.LocalSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.entity.Player;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.extension.platform.Platform;
import com.sk89q.worldedit.world.World;
import com.sk89q.worldedit.world.block.BlockType;
import com.sk89q.worldedit.world.block.BlockTypes;
import java.util.HashSet;
import java.util.Set;
/**
* A pickaxe mode that recursively finds adjacent blocks within range of
* an initial block and of the same type.
*/
public class RecursivePickaxe implements BlockTool {
private double range;
public RecursivePickaxe(double range) {
this.range = range;
}
@Override
public boolean canUse(Actor player) {
return player.hasPermission("worldedit.superpickaxe.recursive");
}
@Override
public boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session, com.sk89q.worldedit.util.Location clicked) {
World world = (World) clicked.getExtent();
BlockType initialType = world.getBlock(clicked.toVector()).getBlockType();
if (initialType.getMaterial().isAir()) {
return true;
}
if (initialType == BlockTypes.BEDROCK && !player.canDestroyBedrock()) {
return true;
}
try (EditSession editSession = session.createEditSession(player)) {
editSession.getSurvivalExtent().setToolUse(config.superPickaxeManyDrop);
try {
recurse(server, editSession, world, clicked.toVector().toBlockVector(),
clicked.toVector(), range, initialType, new HashSet<>());
} catch (MaxChangedBlocksException e) {
player.printError("Max blocks change limit reached.");
} finally {
session.remember(editSession);
}
}
return true;
}
private static void recurse(Platform server, EditSession editSession, World world, BlockVector pos,
Vector origin, double size, BlockType initialType, Set<BlockVector> visited) throws MaxChangedBlocksException {
final double distanceSq = origin.distanceSq(pos);
if (distanceSq > size*size || visited.contains(pos)) {
return;
}
visited.add(pos);
if (editSession.getBlock(pos).getBlockType() != initialType) {
return;
}
world.queueBlockBreakEffect(server, pos, initialType, distanceSq);
editSession.setBlock(pos, BlockTypes.AIR.getDefaultState());
recurse(server, editSession, world, pos.add(1, 0, 0).toBlockVector(),
origin, size, initialType, visited);
recurse(server, editSession, world, pos.add(-1, 0, 0).toBlockVector(),
origin, size, initialType, visited);
recurse(server, editSession, world, pos.add(0, 0, 1).toBlockVector(),
origin, size, initialType, visited);
recurse(server, editSession, world, pos.add(0, 0, -1).toBlockVector(),
origin, size, initialType, visited);
recurse(server, editSession, world, pos.add(0, 1, 0).toBlockVector(),
origin, size, initialType, visited);
recurse(server, editSession, world, pos.add(0, -1, 0).toBlockVector(),
origin, size, initialType, visited);
}
}