PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Trim.java
2015-07-16 16:16:16 +02:00

213 lines
9.9 KiB
Java

////////////////////////////////////////////////////////////////////////////////////////////////////
// PlotSquared - A plot manager and world generator for the Bukkit API /
// Copyright (c) 2014 IntellectualSites/IntellectualCrafters /
// /
// This program is free software; you can redistribute it and/or modify /
// it under the terms of the GNU 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 General Public License for more details. /
// /
// You should have received a copy of the GNU General Public License /
// along with this program; if not, write to the Free Software Foundation, /
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA /
// /
// You can contact us via: support@intellectualsites.com /
////////////////////////////////////////////////////////////////////////////////////////////////////
package com.intellectualcrafters.plot.commands;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.HashSet;
import com.intellectualcrafters.plot.PS;
import com.intellectualcrafters.plot.config.C;
import com.intellectualcrafters.plot.object.ChunkLoc;
import com.intellectualcrafters.plot.object.Location;
import com.intellectualcrafters.plot.object.Plot;
import com.intellectualcrafters.plot.object.PlotId;
import com.intellectualcrafters.plot.object.PlotPlayer;
import com.intellectualcrafters.plot.util.BlockManager;
import com.intellectualcrafters.plot.util.ChunkManager;
import com.intellectualcrafters.plot.util.MainUtil;
import com.intellectualcrafters.plot.util.TaskManager;
public class Trim extends SubCommand {
public static boolean TASK = false;
public static ArrayList<Plot> expired = null;
private static int TASK_ID = 0;
public Trim() {
super("trim", "plots.admin", "Delete unmodified portions of your plotworld", "trim", "", CommandCategory.DEBUG, false);
}
public static boolean getBulkRegions(final ArrayList<ChunkLoc> empty, final String world, final Runnable whenDone) {
if (Trim.TASK) {
return false;
}
TaskManager.runTaskAsync(new Runnable() {
@Override
public void run() {
final String directory = world + File.separator + "region";
final File folder = new File(directory);
final File[] regionFiles = folder.listFiles();
for (final File file : regionFiles) {
final String name = file.getName();
if (name.endsWith("mca")) {
if (file.getTotalSpace() <= 8192) {
try {
final String[] split = name.split("\\.");
final int x = Integer.parseInt(split[1]);
final int z = Integer.parseInt(split[2]);
final ChunkLoc loc = new ChunkLoc(x, z);
empty.add(loc);
} catch (final Exception e) {
PS.log("INVALID MCA: " + name);
}
} else {
final Path path = Paths.get(file.getPath());
try {
final BasicFileAttributes attr = Files.readAttributes(path, BasicFileAttributes.class);
final long creation = attr.creationTime().toMillis();
final long modification = file.lastModified();
final long diff = Math.abs(creation - modification);
if (diff < 10000) {
try {
final String[] split = name.split("\\.");
final int x = Integer.parseInt(split[1]);
final int z = Integer.parseInt(split[2]);
final ChunkLoc loc = new ChunkLoc(x, z);
empty.add(loc);
} catch (final Exception e) {
PS.log("INVALID MCA: " + name);
}
}
} catch (final Exception e) {
}
}
}
}
Trim.TASK = false;
TaskManager.runTaskAsync(whenDone);
}
});
Trim.TASK = true;
return true;
}
public static boolean getTrimRegions(final ArrayList<ChunkLoc> empty, final String world, final Runnable whenDone) {
if (Trim.TASK) {
return false;
}
System.currentTimeMillis();
sendMessage("Collecting region data...");
final ArrayList<Plot> plots = new ArrayList<>();
plots.addAll(PS.get().getPlots(world).values());
final HashSet<ChunkLoc> chunks = new HashSet<>(ChunkManager.manager.getChunkChunks(world));
sendMessage(" - MCA #: " + chunks.size());
sendMessage(" - CHUNKS: " + (chunks.size() * 1024) + " (max)");
sendMessage(" - TIME ESTIMATE: " + (chunks.size() / 1200) + " minutes");
Trim.TASK_ID = TaskManager.runTaskRepeat(new Runnable() {
@Override
public void run() {
final long start = System.currentTimeMillis();
while ((System.currentTimeMillis() - start) < 50) {
if (plots.size() == 0) {
empty.addAll(chunks);
Trim.TASK = false;
TaskManager.runTaskAsync(whenDone);
PS.get().TASK.cancelTask(Trim.TASK_ID);
return;
}
final Plot plot = plots.get(0);
plots.remove(0);
final Location pos1 = MainUtil.getPlotBottomLoc(world, plot.id);
final Location pos2 = MainUtil.getPlotTopLoc(world, plot.id);
for (int x = pos1.getX(); x <= pos2.getX(); x += 512 ) {
for (int z = pos1.getZ(); z <= pos2.getZ(); z += 512 ) {
ChunkLoc chunk = ChunkManager.getChunkChunk(new Location(world, x, 0, z));
chunks.remove(chunk);
}
}
}
}
}, 20);
Trim.TASK = true;
return true;
}
public static void deleteChunks(final String world, final ArrayList<ChunkLoc> chunks) {
ChunkManager.manager.deleteRegionFiles(world, chunks);
}
public static void sendMessage(final String message) {
PS.log("&3PlotSquared -> World trim&8: &7" + message);
}
public PlotId getId(final String id) {
try {
final String[] split = id.split(";");
return new PlotId(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
} catch (final Exception e) {
return null;
}
}
@Override
public boolean execute(final PlotPlayer plr, final String... args) {
if (plr != null) {
MainUtil.sendMessage(plr, (C.NOT_CONSOLE));
return false;
}
if (args.length == 1) {
final String arg = args[0].toLowerCase();
final PlotId id = getId(arg);
if (id != null) {
MainUtil.sendMessage(plr, "/plot trim x;z &l<world>");
return false;
}
if (arg.equals("all")) {
MainUtil.sendMessage(plr, "/plot trim all &l<world>");
return false;
}
MainUtil.sendMessage(plr, C.TRIM_SYNTAX);
return false;
}
if (args.length != 2) {
MainUtil.sendMessage(plr, C.TRIM_SYNTAX);
return false;
}
final String arg = args[0].toLowerCase();
if (!arg.equals("all")) {
MainUtil.sendMessage(plr, C.TRIM_SYNTAX);
return false;
}
final String world = args[1];
if (!BlockManager.manager.isWorld(world) || (PS.get().getPlotWorld(world) == null)) {
MainUtil.sendMessage(plr, C.NOT_VALID_WORLD);
return false;
}
if (Trim.TASK) {
sendMessage(C.TRIM_IN_PROGRESS.s());
return false;
}
sendMessage(C.TRIM_START.s());
final ArrayList<ChunkLoc> empty = new ArrayList<>();
getTrimRegions(empty, world, new Runnable() {
@Override
public void run() {
deleteChunks(world, empty);
}
});
return true;
}
}