WorldEdit should now support McRegion.

This commit is contained in:
sk89q 2011-03-10 00:21:45 -08:00
parent 49b4c190f9
commit 7df2ae4e11
4 changed files with 396 additions and 6 deletions

View File

@ -0,0 +1,180 @@
// $Id$
/*
* 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 java.io.*;
import java.util.regex.Pattern;
import java.util.zip.ZipException;
import java.util.Enumeration;
import de.schlichtherle.util.zip.*;
/**
* Represents the chunk store used by Minecraft but zipped. Uses
* the replacement classes for java.util.zip.* from TrueZip.
*
* @author sk89q
*/
public class TrueZipMcRegionChunkStore extends McRegionChunkStore {
/**
* ZIP file.
*/
protected File zipFile;
/**
* Actual ZIP.
*/
protected ZipFile zip;
/**
* Folder inside the ZIP file to read from, if any.
*/
protected String folder;
/**
* Create an instance. The folder argument lets you choose a folder or
* path to look into in the ZIP for the files. Use a blank string for
* the folder to not look into a subdirectory.
*
* @param zipFile
* @param folder
* @throws IOException
* @throws ZipException
*/
public TrueZipMcRegionChunkStore(File zipFile, String folder)
throws IOException, ZipException {
this.zipFile = zipFile;
this.folder = folder;
zip = new ZipFile(zipFile);
}
/**
* Create an instance. The subfolder containing the chunk data will
* be detected.
*
* @param zipFile
* @throws IOException
* @throws ZipException
*/
public TrueZipMcRegionChunkStore(File zipFile)
throws IOException, ZipException {
this.zipFile = zipFile;
zip = new ZipFile(zipFile);
}
/**
* Get the input stream for a chunk file.
*
* @param name
* @return
* @throws IOException
* @throws DataException
*/
@Override
@SuppressWarnings("unchecked")
protected InputStream getInputStream(String name)
throws IOException, DataException {
String file = "region/" + name;
// Detect subfolder for the world's files
if (folder != null) {
if (!folder.equals("")) {
file = folder + "/" + file;
}
} else {
ZipEntry testEntry = zip.getEntry("level.dat");
// So, the data is not in the root directory
if (testEntry == null) {
// Let's try a world/ sub-directory
testEntry = getEntry("world/level.dat");
Pattern pattern = Pattern.compile(".*[\\\\/]level\\.dat$");
// So not there either...
if (testEntry == null) {
for (Enumeration<? extends ZipEntry> e = zip.entries();
e.hasMoreElements(); ) {
testEntry = e.nextElement();
// Whoo, found level.dat!
if (pattern.matcher(testEntry.getName()).matches()) {
file = testEntry.getName().replaceAll("level\\.dat$", "")
+ file;
break;
}
}
} else {
file = "world/" + file;
}
}
}
ZipEntry entry = getEntry(file);
if (entry == null) {
throw new MissingChunkException();
}
try {
return zip.getInputStream(entry);
} catch (ZipException e) {
throw new IOException("Failed to read " + file + " in ZIP");
}
}
/**
* Get an entry from the ZIP, trying both types of slashes.
*
* @param file
* @return
*/
private ZipEntry getEntry(String file) {
ZipEntry entry = zip.getEntry(file);
if (entry != null) {
return entry;
}
return zip.getEntry(file.replace("/", "\\"));
}
/**
* Close resources.
*
* @throws IOException
*/
@Override
public void close() throws IOException {
zip.close();
}
@Override
@SuppressWarnings("unchecked")
public boolean isValid() {
for (Enumeration<? extends ZipEntry> e = zip.entries();
e.hasMoreElements(); ) {
ZipEntry testEntry = e.nextElement();
if (testEntry.getName().matches(".*\\.mcr$")) {
return true;
}
}
return false;
}
}

View File

@ -29,7 +29,7 @@ import java.util.Enumeration;
*
* @author sk89q
*/
public class ZippedAlphaChunkStore extends LegacyChunkStore {
public class ZippedLegacyChunkStore extends LegacyChunkStore {
/**
* ZIP file.
*/
@ -54,7 +54,7 @@ public class ZippedAlphaChunkStore extends LegacyChunkStore {
* @throws IOException
* @throws ZipException
*/
public ZippedAlphaChunkStore(File zipFile, String folder)
public ZippedLegacyChunkStore(File zipFile, String folder)
throws IOException, ZipException {
this.zipFile = zipFile;
this.folder = folder;
@ -70,7 +70,7 @@ public class ZippedAlphaChunkStore extends LegacyChunkStore {
* @throws IOException
* @throws ZipException
*/
public ZippedAlphaChunkStore(File zipFile)
public ZippedLegacyChunkStore(File zipFile)
throws IOException, ZipException {
this.zipFile = zipFile;

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@ -0,0 +1,176 @@
// $Id$
/*
* 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 java.io.*;
import java.util.regex.Pattern;
import java.util.zip.*;
import java.util.Enumeration;
/**
* Represents the chunk store used by Minecraft alpha but zipped.
*
* @author sk89q
*/
public class ZippedMcRegionChunkStore extends McRegionChunkStore {
/**
* ZIP file.
*/
protected File zipFile;
/**
* Actual ZIP.
*/
protected ZipFile zip;
/**
* Folder inside the ZIP file to read from, if any.
*/
protected String folder;
/**
* Create an instance. The folder argument lets you choose a folder or
* path to look into in the ZIP for the files. Use a blank string for
* the folder to not look into a subdirectory.
*
* @param zipFile
* @param folder
* @throws IOException
* @throws ZipException
*/
public ZippedMcRegionChunkStore(File zipFile, String folder)
throws IOException, ZipException {
this.zipFile = zipFile;
this.folder = folder;
zip = new ZipFile(zipFile);
}
/**
* Create an instance. The subfolder containing the chunk data will
* be detected.
*
* @param zipFile
* @throws IOException
* @throws ZipException
*/
public ZippedMcRegionChunkStore(File zipFile)
throws IOException, ZipException {
this.zipFile = zipFile;
zip = new ZipFile(zipFile);
}
/**
* Get the input stream for a chunk file.
*
* @param name
* @return
* @throws IOException
* @throws DataException
*/
@Override
protected InputStream getInputStream(String name)
throws IOException, DataException {
String file = "region/" + name;
// Detect subfolder for the world's files
if (folder != null) {
if (!folder.equals("")) {
file = folder + "/" + file;
}
} else {
ZipEntry testEntry = zip.getEntry("level.dat");
// So, the data is not in the root directory
if (testEntry == null) {
// Let's try a world/ sub-directory
testEntry = getEntry("world/level.dat");
Pattern pattern = Pattern.compile(".*[\\\\/]level\\.dat$");
// So not there either...
if (testEntry == null) {
for (Enumeration<? extends ZipEntry> e = zip.entries();
e.hasMoreElements(); ) {
testEntry = (ZipEntry)e.nextElement();
// Whoo, found level.dat!
if (pattern.matcher(testEntry.getName()).matches()) {
file = testEntry.getName().replaceAll("level\\.dat$", "")
+ file;
break;
}
}
} else {
file = "world/" + file;
}
}
}
ZipEntry entry = getEntry(file);
if (entry == null) {
throw new MissingChunkException();
}
try {
return zip.getInputStream(entry);
} catch (ZipException e) {
throw new IOException("Failed to read " + file + " in ZIP");
}
}
/**
* Get an entry from the ZIP, trying both types of slashes.
*
* @param file
* @return
*/
private ZipEntry getEntry(String file) {
ZipEntry entry = zip.getEntry(file);
if (entry != null) {
return entry;
}
return zip.getEntry(file.replace("/", "\\"));
}
/**
* Close resources.
*
* @throws IOException
*/
@Override
public void close() throws IOException {
zip.close();
}
@Override
public boolean isValid() {
for (Enumeration<? extends ZipEntry> e = zip.entries();
e.hasMoreElements(); ) {
ZipEntry testEntry = e.nextElement();
if (testEntry.getName().matches(".*\\.mcr$")) {
return true;
}
}
return false;
}
}

View File

@ -58,17 +58,51 @@ public class Snapshot {
* @throws DataException
*/
public ChunkStore getChunkStore() throws IOException, DataException {
ChunkStore chunkStore = _getChunkStore();
logger.info("WorldEdit: Using " + chunkStore.getClass().getCanonicalName()
+ " for loading snapshot '" + file.getAbsolutePath() + "'");
return chunkStore;
}
/**
* Get a chunk store.
*
* @return
* @throws IOException
* @throws DataException
*/
public ChunkStore _getChunkStore() throws IOException, DataException {
if (file.getName().toLowerCase().endsWith(".zip")) {
try {
return new TrueZipLegacyChunkStore(file);
ChunkStore chunkStore = new TrueZipMcRegionChunkStore(file);
if (!chunkStore.isValid()) {
return new TrueZipLegacyChunkStore(file);
}
return chunkStore;
} catch (NoClassDefFoundError e) {
return new ZippedAlphaChunkStore(file);
ChunkStore chunkStore = new ZippedMcRegionChunkStore(file);
if (!chunkStore.isValid()) {
return new ZippedLegacyChunkStore(file);
}
return chunkStore;
}
} else if (file.getName().toLowerCase().endsWith(".tar.bz2")
|| file.getName().toLowerCase().endsWith(".tar.gz")
|| file.getName().toLowerCase().endsWith(".tar")) {
try {
return new TrueZipLegacyChunkStore(file);
ChunkStore chunkStore = new TrueZipMcRegionChunkStore(file);
if (!chunkStore.isValid()) {
return new TrueZipLegacyChunkStore(file);
}
return chunkStore;
} catch (NoClassDefFoundError e) {
throw new DataException("TrueZIP is required for .tar support");
}