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Re-add delchunks command (#481)

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The new command now writes a json file to WorldEdit's working directory with instructions on which chunks to delete, which is read by the plugin/mod at startup and calls the ChunkDeleter.
The chunk deleter parses the json and iterates the instructions, backing up .mca files as it goes and overwriting the offset headers with 0 wherever a chunk needs to be deleted.
This allows Minecraft to reclaim the space used for that chunk, as well as forcing it to be generated from scratch next time the area is loaded.
This commit is contained in:
wizjany
2019-06-22 14:20:14 -04:00
committed by GitHub
parent 902754ce8a
commit d763ab374c
14 changed files with 650 additions and 104 deletions
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6
worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java
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@ -53,6 +53,7 @@ import org.slf4j.Logger;
import javax.annotation.Nullable;
import java.lang.ref.WeakReference;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.EnumMap;
import java.util.HashMap;
@ -158,6 +159,11 @@ public class BukkitWorld extends AbstractWorld {
return getWorld().getName();
}
@Override
public Path getStoragePath() {
return getWorld().getWorldFolder().toPath();
}
@Override
public int getBlockLightLevel(BlockVector3 pt) {
return getWorld().getBlockAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()).getLightLevel();

10
worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java
View File

@ -38,6 +38,7 @@ import com.sk89q.worldedit.extension.platform.Capability;
import com.sk89q.worldedit.extension.platform.Platform;
import com.sk89q.worldedit.extent.inventory.BlockBag;
import com.sk89q.worldedit.internal.command.CommandUtil;
import com.sk89q.worldedit.internal.anvil.ChunkDeleter;
import com.sk89q.worldedit.registry.state.Property;
import com.sk89q.worldedit.world.biome.BiomeType;
import com.sk89q.worldedit.world.block.BlockCategory;
@ -73,6 +74,9 @@ import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.Locale;
import java.util.Map;
@ -82,6 +86,7 @@ import java.util.logging.Level;
import java.util.zip.ZipEntry;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.sk89q.worldedit.internal.anvil.ChunkDeleter.DELCHUNKS_FILE_NAME;
/**
* Plugin for Bukkit.
@ -109,6 +114,11 @@ public class WorldEditPlugin extends JavaPlugin implements TabCompleter {
// Setup platform
server = new BukkitServerInterface(this, getServer());
worldEdit.getPlatformManager().register(server);
Path delChunks = Paths.get(getDataFolder().getPath(), DELCHUNKS_FILE_NAME);
if (Files.exists(delChunks)) {
ChunkDeleter.runFromFile(delChunks, true);
}
}
/**

3
worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/BukkitImplLoader.java
View File

@ -156,9 +156,6 @@ public class BukkitImplLoader {
if (cls.isSynthetic()) continue;
if (BukkitImplAdapter.class.isAssignableFrom(cls)) {
return (BukkitImplAdapter) cls.newInstance();
} else {
log.debug("Failed to load the Bukkit adapter class '" + className +
"' because it does not implement " + BukkitImplAdapter.class.getCanonicalName());
}
} catch (ClassNotFoundException e) {
log.warn("Failed to load the Bukkit adapter class '" + className +