geforkt von Mirrors/FastAsyncWorldEdit
Improved exceptions thrown in the data framework. ZippedAlphaChunkStore can now detect subdirectories that the world is in.
Dieser Commit ist enthalten in:
sk89q
Ursprung
32290b4095
Commit
d9a4a778ef
@ -49,11 +49,16 @@ public class AlphaChunkStore extends NestedFileChunkStore {
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* @param f2
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* @param name
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* @return
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* @throws DataException
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* @throws IOException
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*/
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protected InputStream getInputStream(String f1, String f2, String name)
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throws IOException {
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throws DataException, IOException {
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String file = f1 + File.separator + f2 + File.separator + name;
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return new FileInputStream(new File(path, file));
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try {
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return new FileInputStream(new File(path, file));
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} catch (FileNotFoundException e) {
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throw new MissingChunkException();
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}
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}
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}
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@ -57,12 +57,14 @@ public class Chunk {
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rootZ = ((IntTag)getChildTag(
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rootTag.getValue(), "zPos", IntTag.class)).getValue();
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if (blocks.length != 16384) {
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throw new InvalidFormatException("Chunk blocks byte array expected to contain 16,384 blocks");
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if (blocks.length != 32768) {
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throw new InvalidFormatException("Chunk blocks byte array expected "
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+ "to be 32,768 bytes; found " + blocks.length);
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}
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if (data.length != 16384) {
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throw new InvalidFormatException("Chunk block data byte array expected to contain 16,384 blocks");
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throw new InvalidFormatException("Chunk block data byte array "
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+ "expected to be 16,384 bytes; found " + data.length);
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}
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}
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@ -74,8 +76,10 @@ public class Chunk {
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* @throws DataException
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*/
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public int getBlockID(Vector pos) throws DataException {
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int index = pos.getBlockY() * 16 * 16
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+ (pos.getBlockZ() - rootZ) * 16 + (pos.getBlockX() - rootX);
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int x = pos.getBlockX() - rootX * 16;
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int y = pos.getBlockY();
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int z = pos.getBlockZ() - rootZ * 16;
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int index = y + (z * 128 + (x * 128 * 16));
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try {
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return blocks[index];
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@ -92,11 +96,19 @@ public class Chunk {
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* @throws DataException
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*/
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public int getBlockData(Vector pos) throws DataException {
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int index = pos.getBlockY() * 16 * 16
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+ (pos.getBlockZ() - rootZ) * 16 + (pos.getBlockX() - rootX);
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int x = pos.getBlockX() - rootX * 16;
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int y = pos.getBlockY();
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int z = pos.getBlockZ() - rootZ * 16;
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int index = y + (z * 128 + (x * 128 * 16));
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boolean shift = index % 2 == 0;
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index /= 2;
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try {
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return data[index];
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if (!shift) {
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return (data[index] & 0xF0) >> 4;
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} else {
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return data[index] & 0xF;
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}
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} catch (IndexOutOfBoundsException e) {
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throw new DataException("Chunk does not contain position " + pos);
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}
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@ -49,11 +49,11 @@ public abstract class ChunkStore {
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*
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* @param pos
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* @return tag
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* @throws ChunkStoreException
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* @throws DataException
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* @throws IOException
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*/
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public abstract CompoundTag getChunkTag(Vector2D pos)
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throws ChunkStoreException, IOException;
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throws DataException, IOException;
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/**
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* Get a chunk at a location.
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@ -27,4 +27,8 @@ public class ChunkStoreException extends DataException {
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public ChunkStoreException(String msg) {
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super(msg);
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}
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public ChunkStoreException() {
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super();
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}
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}
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@ -28,4 +28,8 @@ public class DataException extends Exception {
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public DataException(String msg) {
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super(msg);
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}
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public DataException() {
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super();
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}
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}
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48
src/com/sk89q/worldedit/data/MissingChunkException.java
Normale Datei
48
src/com/sk89q/worldedit/data/MissingChunkException.java
Normale Datei
@ -0,0 +1,48 @@
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// $Id$
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/*
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* WorldEdit
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* Copyright (C) 2010 sk89q <http://www.sk89q.com>
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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, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.data;
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import com.sk89q.worldedit.Vector2D;
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/**
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*
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* @author sk89q
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*/
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public class MissingChunkException extends ChunkStoreException {
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private Vector2D pos;
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public MissingChunkException() {
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super();
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}
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public MissingChunkException(Vector2D pos) {
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super();
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this.pos = pos;
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}
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/**
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* Get chunk position in question. May be null if unknown.
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*
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* @return
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*/
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public Vector2D getChunkPosition() {
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return pos;
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}
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}
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@ -21,6 +21,7 @@ package com.sk89q.worldedit.data;
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import com.sk89q.worldedit.Vector2D;
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import java.io.*;
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import java.util.*;
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import org.jnbt.*;
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/**
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@ -36,9 +37,11 @@ public abstract class NestedFileChunkStore extends ChunkStore {
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*
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* @param pos
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* @return tag
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* @throws DataException
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* @throws IOException
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*/
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public CompoundTag getChunkTag(Vector2D pos)
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throws ChunkStoreException, IOException {
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throws DataException, IOException {
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int x = pos.getBlockX();
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int z = pos.getBlockZ();
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@ -51,15 +54,37 @@ public abstract class NestedFileChunkStore extends ChunkStore {
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NBTInputStream nbt = new NBTInputStream(stream);
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Tag tag;
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tag = nbt.readTag();
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if (!(tag instanceof CompoundTag)) {
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throw new ChunkStoreException("CompoundTag expected for chunk; got "
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+ tag.getClass());
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try {
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tag = nbt.readTag();
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if (!(tag instanceof CompoundTag)) {
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throw new ChunkStoreException("CompoundTag expected for chunk; got "
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+ tag.getClass().getName());
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}
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Map<String,Tag> children = (Map<String,Tag>)((CompoundTag)tag).getValue();
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CompoundTag rootTag = null;
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// Find Level tag
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for (Map.Entry<String,Tag> entry : children.entrySet()) {
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if (entry.getKey().equals("Level")) {
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if (entry.getValue() instanceof CompoundTag) {
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rootTag = (CompoundTag)entry.getValue();
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break;
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} else {
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throw new ChunkStoreException("CompoundTag expected for 'Level'; got "
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+ entry.getValue().getClass().getName());
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}
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}
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}
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if (rootTag == null) {
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throw new ChunkStoreException("Missing root 'Level' tag");
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}
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return rootTag;
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} finally {
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stream.close();
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}
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stream.close();
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return (CompoundTag)tag;
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}
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/**
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@ -83,5 +108,5 @@ public abstract class NestedFileChunkStore extends ChunkStore {
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* @throws IOException
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*/
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protected abstract InputStream getInputStream(String f1, String f2, String name)
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throws IOException;
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throws IOException, DataException;
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}
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@ -21,6 +21,7 @@ package com.sk89q.worldedit.data;
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import java.io.*;
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import java.util.zip.*;
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import java.util.Enumeration;
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/**
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* Represents the chunk store used by Minecraft alpha but zipped.
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@ -43,7 +44,8 @@ public class ZippedAlphaChunkStore extends NestedFileChunkStore {
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/**
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* Create an instance. The folder argument lets you choose a folder or
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* path to look into in the ZIP for the files.
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* path to look into in the ZIP for the files. Use a blank string for
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* the folder to not look into a subdirectory.
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*
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* @param zipFile
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* @param folder
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@ -59,7 +61,8 @@ public class ZippedAlphaChunkStore extends NestedFileChunkStore {
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}
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/**
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* Create an instance.
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* Create an instance. The subfolder containing the chunk data will
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* be detected.
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*
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* @param zipFile
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* @param folder
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@ -81,13 +84,46 @@ public class ZippedAlphaChunkStore extends NestedFileChunkStore {
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* @param name
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* @return
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* @throws IOException
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* @throws DataException
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*/
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protected InputStream getInputStream(String f1, String f2, String name)
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throws IOException {
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throws IOException, DataException {
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String file = f1 + "/" + f2 + "/" + name;
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// Detect subfolder for the world's files
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if (folder != null) {
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if (!folder.equals("")) {
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file = folder + "/" + file;
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}
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} else {
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ZipEntry testEntry = zip.getEntry("level.dat");
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// So, the data is not in the root directory
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if (testEntry == null) {
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// Let's try a world/ sub-directory
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testEntry = zip.getEntry("world/level.dat");
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// So not there either...
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if (testEntry == null) {
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for (Enumeration e = zip.entries(); e.hasMoreElements(); ) {
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testEntry = (ZipEntry)e.nextElement();
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// Whoo, found level.dat!
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if (testEntry.getName().matches(".+/level\\.dat")) {
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file = testEntry.getName().replaceAll("level\\.dat$", "")
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+ file;
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break;
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}
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}
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} else {
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file = "world/" + file;
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}
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}
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}
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ZipEntry entry = zip.getEntry(file);
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if (entry == null) {
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throw new IOException("ZIP doesn't contain chunk");
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throw new MissingChunkException();
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}
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try {
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return zip.getInputStream(entry);
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