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src/main/java/com/intellectualcrafters/plot/commands/Trim.java
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212
src/main/java/com/intellectualcrafters/plot/commands/Trim.java
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// PlotSquared - A plot manager and world generator for the Bukkit API /
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// Copyright (c) 2014 IntellectualSites/IntellectualCrafters /
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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, write to the Free Software Foundation, /
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA /
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// /
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// You can contact us via: support@intellectualsites.com /
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////////////////////////////////////////////////////////////////////////////////////////////////////
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package com.intellectualcrafters.plot.commands;
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import java.io.File;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.attribute.BasicFileAttributes;
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import java.util.ArrayList;
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import java.util.HashSet;
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import com.intellectualcrafters.plot.PS;
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import com.intellectualcrafters.plot.config.C;
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import com.intellectualcrafters.plot.object.ChunkLoc;
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import com.intellectualcrafters.plot.object.Location;
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import com.intellectualcrafters.plot.object.Plot;
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import com.intellectualcrafters.plot.object.PlotId;
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import com.intellectualcrafters.plot.object.PlotPlayer;
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import com.intellectualcrafters.plot.util.BlockManager;
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import com.intellectualcrafters.plot.util.ChunkManager;
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import com.intellectualcrafters.plot.util.MainUtil;
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import com.intellectualcrafters.plot.util.TaskManager;
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public class Trim extends SubCommand {
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public static boolean TASK = false;
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public static ArrayList<Plot> expired = null;
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private static int TASK_ID = 0;
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public Trim() {
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super("trim", "plots.admin", "Delete unmodified portions of your plotworld", "trim", "", CommandCategory.DEBUG, false);
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}
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public static boolean getBulkRegions(final ArrayList<ChunkLoc> empty, final String world, final Runnable whenDone) {
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if (Trim.TASK) {
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return false;
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}
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TaskManager.runTaskAsync(new Runnable() {
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@Override
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public void run() {
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final String directory = world + File.separator + "region";
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final File folder = new File(directory);
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final File[] regionFiles = folder.listFiles();
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for (final File file : regionFiles) {
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final String name = file.getName();
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if (name.endsWith("mca")) {
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if (file.getTotalSpace() <= 8192) {
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try {
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final String[] split = name.split("\\.");
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final int x = Integer.parseInt(split[1]);
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final int z = Integer.parseInt(split[2]);
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final ChunkLoc loc = new ChunkLoc(x, z);
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empty.add(loc);
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} catch (final Exception e) {
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PS.log("INVALID MCA: " + name);
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}
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} else {
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final Path path = Paths.get(file.getPath());
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try {
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final BasicFileAttributes attr = Files.readAttributes(path, BasicFileAttributes.class);
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final long creation = attr.creationTime().toMillis();
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final long modification = file.lastModified();
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final long diff = Math.abs(creation - modification);
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if (diff < 10000) {
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try {
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final String[] split = name.split("\\.");
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final int x = Integer.parseInt(split[1]);
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final int z = Integer.parseInt(split[2]);
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final ChunkLoc loc = new ChunkLoc(x, z);
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empty.add(loc);
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} catch (final Exception e) {
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PS.log("INVALID MCA: " + name);
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}
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}
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} catch (final Exception e) {
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}
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}
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}
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}
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Trim.TASK = false;
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TaskManager.runTaskAsync(whenDone);
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}
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});
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Trim.TASK = true;
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return true;
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}
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public static boolean getTrimRegions(final ArrayList<ChunkLoc> empty, final String world, final Runnable whenDone) {
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if (Trim.TASK) {
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return false;
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}
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System.currentTimeMillis();
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sendMessage("Collecting region data...");
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final ArrayList<Plot> plots = new ArrayList<>();
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plots.addAll(PS.get().getPlots(world).values());
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final HashSet<ChunkLoc> chunks = new HashSet<>(ChunkManager.manager.getChunkChunks(world));
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sendMessage(" - MCA #: " + chunks.size());
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sendMessage(" - CHUNKS: " + (chunks.size() * 1024) + " (max)");
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sendMessage(" - TIME ESTIMATE: " + (chunks.size() / 1200) + " minutes");
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Trim.TASK_ID = TaskManager.runTaskRepeat(new Runnable() {
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@Override
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public void run() {
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final long start = System.currentTimeMillis();
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while ((System.currentTimeMillis() - start) < 50) {
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if (plots.size() == 0) {
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empty.addAll(chunks);
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Trim.TASK = false;
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TaskManager.runTaskAsync(whenDone);
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PS.get().TASK.cancelTask(Trim.TASK_ID);
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return;
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}
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final Plot plot = plots.get(0);
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plots.remove(0);
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final Location pos1 = MainUtil.getPlotBottomLoc(world, plot.id);
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final Location pos2 = MainUtil.getPlotTopLoc(world, plot.id);
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for (int x = pos1.getX(); x <= pos2.getX(); x += 512 ) {
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for (int z = pos1.getZ(); z <= pos2.getZ(); z += 512 ) {
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ChunkLoc chunk = ChunkManager.getChunkChunk(new Location(world, x, 0, z));
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chunks.remove(chunk);
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}
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}
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}
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}
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}, 20);
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Trim.TASK = true;
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return true;
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}
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public static void deleteChunks(final String world, final ArrayList<ChunkLoc> chunks) {
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ChunkManager.manager.deleteRegionFiles(world, chunks);
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}
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public static void sendMessage(final String message) {
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PS.log("&3PlotSquared -> World trim&8: &7" + message);
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}
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public PlotId getId(final String id) {
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try {
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final String[] split = id.split(";");
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return new PlotId(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
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} catch (final Exception e) {
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return null;
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}
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}
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@Override
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public boolean execute(final PlotPlayer plr, final String... args) {
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if (plr != null) {
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MainUtil.sendMessage(plr, (C.NOT_CONSOLE));
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return false;
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}
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if (args.length == 1) {
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final String arg = args[0].toLowerCase();
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final PlotId id = getId(arg);
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if (id != null) {
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MainUtil.sendMessage(plr, "/plot trim x;z &l<world>");
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return false;
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}
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if (arg.equals("all")) {
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MainUtil.sendMessage(plr, "/plot trim all &l<world>");
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return false;
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}
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MainUtil.sendMessage(plr, C.TRIM_SYNTAX);
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return false;
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}
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if (args.length != 2) {
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MainUtil.sendMessage(plr, C.TRIM_SYNTAX);
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return false;
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}
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final String arg = args[0].toLowerCase();
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if (!arg.equals("all")) {
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MainUtil.sendMessage(plr, C.TRIM_SYNTAX);
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return false;
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}
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final String world = args[1];
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if (!BlockManager.manager.isWorld(world) || (PS.get().getPlotWorld(world) == null)) {
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MainUtil.sendMessage(plr, C.NOT_VALID_WORLD);
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return false;
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}
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if (Trim.TASK) {
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sendMessage(C.TRIM_IN_PROGRESS.s());
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return false;
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}
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sendMessage(C.TRIM_START.s());
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final ArrayList<ChunkLoc> empty = new ArrayList<>();
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getTrimRegions(empty, world, new Runnable() {
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@Override
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public void run() {
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deleteChunks(world, empty);
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}
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});
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return true;
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}
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}
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