Added TrueZIP support.

This commit is contained in:
sk89q 2010-10-21 11:36:20 -07:00
parent e4f6b380b0
commit eebe6e1af3
4 changed files with 183 additions and 14 deletions

View File

@ -1,3 +1,3 @@
Manifest-Version: 1.0
Class-Path: jnbt.jar
Class-Path: jnbt.jar truezip.jar ant.jar

View File

@ -953,7 +953,7 @@ public class WorldEdit {
Region region = session.getRegion();
Snapshot snapshot = session.getSnapshot();
ChunkStore chunkStore;
ChunkStore chunkStore = null;
// No snapshot set?
if (snapshot == null) {
@ -974,6 +974,7 @@ public class WorldEdit {
return true;
}
try {
// Restore snapshot
SnapshotRestore restore = new SnapshotRestore(chunkStore, region);
//player.print(restore.getChunksAffected() + " chunk(s) will be loaded.");
@ -988,6 +989,12 @@ public class WorldEdit {
restore.getMissingChunks().size(),
restore.getErrorChunks().size()));
}
} finally {
try {
chunkStore.close();
} catch (IOException e) {
}
}
return true;
}

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@ -0,0 +1,158 @@
// $Id$
/*
* WorldEdit
* Copyright (C) 2010 sk89q <http://www.sk89q.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.data;
import de.schlichtherle.io.*;
import de.schlichtherle.io.File;
import de.schlichtherle.io.FileInputStream;
import de.schlichtherle.io.FileOutputStream;
import java.io.*;
/**
* Represents the chunk store used by Minecraft alpha.
*
* @author sk89q
*/
public class TrueZipAlphaChunkStore extends NestedFileChunkStore {
/**
* Folder to read from.
*/
private File path;
/**
* Create an instance. The passed path is the folder to read the
* chunk files from.
*
* @param path
*/
public TrueZipAlphaChunkStore(java.io.File path) {
this.path = new File(path);
File root = findWorldPath(this.path);
if (root != null) {
this.path = root;
}
}
/**
* Create an instance. The passed path is the folder to read the
* chunk files from.
*
* @param path
*/
public TrueZipAlphaChunkStore(File path) {
this.path = path;
File root = findWorldPath(path);
if (root != null) {
this.path = root;
}
}
/**
* Create an instance. The passed path is the folder to read the
* chunk files from.
*
* @param path
*/
public TrueZipAlphaChunkStore(String path) {
this.path = new File(path);
File root = findWorldPath(this.path);
if (root != null) {
this.path = root;
}
}
/**
* Get the input stream for a chunk file.
*
* @param f1
* @param f2
* @param name
* @return
* @throws DataException
* @throws IOException
*/
protected InputStream getInputStream(String f1, String f2, String name)
throws DataException, IOException {
String file = f1 + File.separator + f2 + File.separator + name;
try {
return new FileInputStream(new File(path.getAbsolutePath(), file));
} catch (FileNotFoundException e) {
throw new MissingChunkException();
}
}
/**
* Find the root directory for the chunk files.
*
* @param path
* @return
*/
private File findWorldPath(File path) {
if ((new File(path, "world")).exists()) {
return new File(path, "world");
}
return searchForPath(path);
}
/**
* Find the root directory for the chunk files.
*
* @param path
* @return
*/
private File searchForPath(File path) {
String[] children = path.list();
// listFiles() returns java.io.File[]
if (children == null) {
return null;
} else {
for (String child : children) {
File f = new File(path, child);
if (f.isFile() && f.getName().equals("level.dat")) {
return path;
} else if (f.isDirectory()) {
File res = findWorldPath(f);
if (res != null) {
return res;
}
}
}
}
return null;
}
/**
* Close the archive.
*
* @throws IOException
*/
@Override
public void close() throws IOException {
try {
path.umount();
} catch (ArchiveException e) {
throw new IOException(e);
}
}
}

View File

@ -56,7 +56,11 @@ public class Snapshot {
*/
public ChunkStore getChunkStore() throws IOException {
if (file.getName().toLowerCase().endsWith(".zip")) {
try {
return new TrueZipAlphaChunkStore(file);
} catch (NoClassDefFoundError e) {
return new ZippedAlphaChunkStore(file);
}
} else {
return new AlphaChunkStore(file);
}