Progress, lower memory usage

core/src/main/java/com/boydti/fawe/object/clipboard/ItemWikiScraper.java

@@ -1,7 +1,6 @@
 package com.boydti.fawe.object.clipboard;
 
 
-import com.boydti.fawe.Fawe;
 import com.boydti.fawe.util.MainUtil;
 import com.google.common.io.Resources;
 import com.google.common.reflect.TypeToken;
@@ -58,7 +57,6 @@ public class ItemWikiScraper {
     }
 
     private Map<String, Integer> scrape(ClipboardRemapper.RemapPlatform platform) throws IOException {
-        Fawe.debug("Downloading item mappings for " + platform + ". Please wait...");
         String url = (platform == ClipboardRemapper.RemapPlatform.PC) ? PC : PE;
         String text = MainUtil.getText(url);
 
@@ -96,7 +94,6 @@ public class ItemWikiScraper {
             }
             id++;
         }
-        Fawe.debug("Download complete.");
         return map;
     }
 }

core/src/main/java/com/sk89q/jnbt/CompoundTag.java

@@ -0,0 +1,409 @@
+package com.sk89q.jnbt;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * The {@code TAG_Compound} tag.
+ */
+public final class CompoundTag extends Tag {
+
+    private final Map<String, Tag> value;
+    /**
+     * Creates the tag with an empty name.
+     *
+     * @param value the value of the tag
+     */
+    public CompoundTag(Map<String, Tag> value) {
+        super();
+        this.value = Collections.unmodifiableMap(value);
+    }
+
+    @Override
+    public Map<String, Object> getRaw() {
+        HashMap<String, Object> raw = new HashMap<>();
+        for (Map.Entry<String, Tag> entry : value.entrySet()) {
+            raw.put(entry.getKey(), entry.getValue().getRaw());
+        }
+        return raw;
+    }
+
+    /**
+     * Returns whether this compound tag contains the given key.
+     *
+     * @param key the given key
+     * @return true if the tag contains the given key
+     */
+    public boolean containsKey(String key) {
+        return value.containsKey(key);
+    }
+
+    @Override
+    public Map<String, Tag> getValue() {
+        return value;
+    }
+
+    /**
+     * Return a new compound tag with the given values.
+     *
+     * @param value the value
+     * @return the new compound tag
+     */
+    public CompoundTag setValue(Map<String, Tag> value) {
+        return new CompoundTag(value);
+    }
+
+    /**
+     * Create a compound tag builder.
+     *
+     * @return the builder
+     */
+    public CompoundTagBuilder createBuilder() {
+        return new CompoundTagBuilder(new HashMap<String, Tag>(value));
+    }
+
+    /**
+     * Get a byte array named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a byte array tag,
+     * then an empty byte array will be returned.</p>
+     *
+     * @param key the key
+     * @return a byte array
+     */
+    public byte[] getByteArray(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ByteArrayTag) {
+            return ((ByteArrayTag) tag).getValue();
+        } else {
+            return new byte[0];
+        }
+    }
+
+    /**
+     * Get a byte named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a byte tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return a byte
+     */
+    public byte getByte(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+        } else {
+            return (byte) 0;
+        }
+    }
+
+    /**
+     * Get a double named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a double tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return a double
+     */
+    public double getDouble(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a double named with the given key, even if it's another
+     * type of number.
+     *
+     * <p>If the key does not exist or its value is not a number,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return a double
+     */
+    public double asDouble(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+
+        } else if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+
+        } else if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+
+        } else if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue();
+
+        } else if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue();
+
+        } else if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue();
+
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a float named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a float tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return a float
+     */
+    public float getFloat(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a {@code int[]} named with the given key.
+     *
+     * <p>If the key does not exist or its value is not an int array tag,
+     * then an empty array will be returned.</p>
+     *
+     * @param key the key
+     * @return an int array
+     */
+    public int[] getIntArray(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof IntArrayTag) {
+            return ((IntArrayTag) tag).getValue();
+        } else {
+            return new int[0];
+        }
+    }
+
+    /**
+     * Get an int named with the given key.
+     *
+     * <p>If the key does not exist or its value is not an int tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return an int
+     */
+    public int getInt(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get an int named with the given key, even if it's another
+     * type of number.
+     *
+     * <p>If the key does not exist or its value is not a number,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return an int
+     */
+    public int asInt(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+
+        } else if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+
+        } else if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+
+        } else if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue().intValue();
+
+        } else if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue().intValue();
+
+        } else if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue().intValue();
+
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a list of tags named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a list tag,
+     * then an empty list will be returned.</p>
+     *
+     * @param key the key
+     * @return a list of tags
+     */
+    public List<Tag> getList(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ListTag) {
+            return ((ListTag) tag).getValue();
+        } else {
+            return Collections.emptyList();
+        }
+    }
+
+    /**
+     * Get a {@code TagList} named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a list tag,
+     * then an empty tag list will be returned.</p>
+     *
+     * @param key the key
+     * @return a tag list instance
+     */
+    public ListTag getListTag(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ListTag) {
+            return (ListTag) tag;
+        } else {
+            return new ListTag(StringTag.class, Collections.<Tag>emptyList());
+        }
+    }
+
+    /**
+     * Get a list of tags named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a list tag,
+     * then an empty list will be returned. If the given key references
+     * a list but the list of of a different type, then an empty
+     * list will also be returned.</p>
+     *
+     * @param key the key
+     * @param listType the class of the contained type
+     * @return a list of tags
+     * @param <T> the type of list
+     */
+    @SuppressWarnings("unchecked")
+    public <T extends Tag> List<T> getList(String key, Class<T> listType) {
+        Tag tag = value.get(key);
+        if (tag instanceof ListTag) {
+            ListTag listTag = (ListTag) tag;
+            if (listTag.getType().equals(listType)) {
+                return (List<T>) listTag.getValue();
+            } else {
+                return Collections.emptyList();
+            }
+        } else {
+            return Collections.emptyList();
+        }
+    }
+
+    /**
+     * Get a long named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a long tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return a long
+     */
+    public long getLong(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue();
+        } else {
+            return 0L;
+        }
+    }
+
+    /**
+     * Get a long named with the given key, even if it's another
+     * type of number.
+     *
+     * <p>If the key does not exist or its value is not a number,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return a long
+     */
+    public long asLong(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+
+        } else if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+
+        } else if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+
+        } else if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue();
+
+        } else if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue().longValue();
+
+        } else if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue().longValue();
+
+        } else {
+            return 0L;
+        }
+    }
+
+    /**
+     * Get a short named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a short tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param key the key
+     * @return a short
+     */
+    public short getShort(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a string named with the given key.
+     *
+     * <p>If the key does not exist or its value is not a string tag,
+     * then {@code ""} will be returned.</p>
+     *
+     * @param key the key
+     * @return a string
+     */
+    public String getString(String key) {
+        Tag tag = value.get(key);
+        if (tag instanceof StringTag) {
+            return ((StringTag) tag).getValue();
+        } else {
+            return "";
+        }
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder bldr = new StringBuilder();
+        bldr.append("TAG_Compound").append(": ").append(value.size()).append(" entries\r\n{\r\n");
+        for (Map.Entry<String, Tag> entry : value.entrySet()) {
+            bldr.append("   ").append(entry.getValue().toString().replaceAll("\r\n", "\r\n   ")).append("\r\n");
+        }
+        bldr.append("}");
+        return bldr.toString();
+    }
+
+}

core/src/main/java/com/sk89q/jnbt/ListTag.java

@@ -0,0 +1,422 @@
+package com.sk89q.jnbt;
+
+import java.util.ArrayList;
+import javax.annotation.Nullable;
+import java.util.Collections;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * The {@code TAG_List} tag.
+ */
+public final class ListTag extends Tag {
+
+    private final Class<? extends Tag> type;
+    private final List<Tag> value;
+
+    /**
+     * Creates the tag with an empty name.
+     *
+     * @param type the type of tag
+     * @param value the value of the tag
+     */
+    public ListTag(Class<? extends Tag> type, List<? extends Tag> value) {
+        super();
+        checkNotNull(value);
+        this.type = type;
+        this.value = Collections.unmodifiableList(value);
+    }
+
+    @Override
+    public List<Object> getRaw() {
+        ArrayList<Object> raw = new ArrayList<>();
+        for (Tag t : value) {
+            raw.add(t.getRaw());
+        }
+        return raw;
+    }
+
+    /**
+     * Gets the type of item in this list.
+     *
+     * @return The type of item in this list.
+     */
+    public Class<? extends Tag> getType() {
+        return type;
+    }
+
+    @Override
+    public List<Tag> getValue() {
+        return value;
+    }
+
+    /**
+     * Create a new list tag with this tag's name and type.
+     *
+     * @param list the new list
+     * @return a new list tag
+     */
+    public ListTag setValue(List<Tag> list) {
+        return new ListTag(getType(), list);
+    }
+
+    /**
+     * Get the tag if it exists at the given index.
+     *
+     * @param index the index
+     * @return the tag or null
+     */
+    @Nullable
+    public Tag getIfExists(int index) {
+        try {
+            return value.get(index);
+        } catch (NoSuchElementException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Get a byte array named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a byte array tag,
+     * then an empty byte array will be returned.</p>
+     *
+     * @param index the index
+     * @return a byte array
+     */
+    public byte[] getByteArray(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ByteArrayTag) {
+            return ((ByteArrayTag) tag).getValue();
+        } else {
+            return new byte[0];
+        }
+    }
+
+    /**
+     * Get a byte named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a byte tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return a byte
+     */
+    public byte getByte(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+        } else {
+            return (byte) 0;
+        }
+    }
+
+    /**
+     * Get a double named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a double tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return a double
+     */
+    public double getDouble(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a double named with the given index, even if it's another
+     * type of number.
+     *
+     * <p>If the index does not exist or its value is not a number,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return a double
+     */
+    public double asDouble(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+
+        } else if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+
+        } else if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+
+        } else if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue();
+
+        } else if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue();
+
+        } else if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue();
+
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a float named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a float tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return a float
+     */
+    public float getFloat(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a {@code int[]} named with the given index.
+     *
+     * <p>If the index does not exist or its value is not an int array tag,
+     * then an empty array will be returned.</p>
+     *
+     * @param index the index
+     * @return an int array
+     */
+    public int[] getIntArray(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof IntArrayTag) {
+            return ((IntArrayTag) tag).getValue();
+        } else {
+            return new int[0];
+        }
+    }
+
+    /**
+     * Get an int named with the given index.
+     *
+     * <p>If the index does not exist or its value is not an int tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return an int
+     */
+    public int getInt(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get an int named with the given index, even if it's another
+     * type of number.
+     *
+     * <p>If the index does not exist or its value is not a number,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return an int
+     */
+    public int asInt(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+
+        } else if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+
+        } else if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+
+        } else if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue().intValue();
+
+        } else if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue().intValue();
+
+        } else if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue().intValue();
+
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a list of tags named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a list tag,
+     * then an empty list will be returned.</p>
+     *
+     * @param index the index
+     * @return a list of tags
+     */
+    public List<Tag> getList(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ListTag) {
+            return ((ListTag) tag).getValue();
+        } else {
+            return Collections.emptyList();
+        }
+    }
+
+    /**
+     * Get a {@code TagList} named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a list tag,
+     * then an empty tag list will be returned.</p>
+     *
+     * @param index the index
+     * @return a tag list instance
+     */
+    public ListTag getListTag(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ListTag) {
+            return (ListTag) tag;
+        } else {
+            return new ListTag(StringTag.class, Collections.<Tag>emptyList());
+        }
+    }
+
+    /**
+     * Get a list of tags named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a list tag,
+     * then an empty list will be returned. If the given index references
+     * a list but the list of of a different type, then an empty
+     * list will also be returned.</p>
+     *
+     * @param index the index
+     * @param listType the class of the contained type
+     * @return a list of tags
+     * @param <T> the NBT type
+     */
+    @SuppressWarnings("unchecked")
+    public <T extends Tag> List<T> getList(int index, Class<T> listType) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ListTag) {
+            ListTag listTag = (ListTag) tag;
+            if (listTag.getType().equals(listType)) {
+                return (List<T>) listTag.getValue();
+            } else {
+                return Collections.emptyList();
+            }
+        } else {
+            return Collections.emptyList();
+        }
+    }
+
+    /**
+     * Get a long named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a long tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return a long
+     */
+    public long getLong(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue();
+        } else {
+            return 0L;
+        }
+    }
+
+    /**
+     * Get a long named with the given index, even if it's another
+     * type of number.
+     *
+     * <p>If the index does not exist or its value is not a number,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return a long
+     */
+    public long asLong(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ByteTag) {
+            return ((ByteTag) tag).getValue();
+
+        } else if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+
+        } else if (tag instanceof IntTag) {
+            return ((IntTag) tag).getValue();
+
+        } else if (tag instanceof LongTag) {
+            return ((LongTag) tag).getValue();
+
+        } else if (tag instanceof FloatTag) {
+            return ((FloatTag) tag).getValue().longValue();
+
+        } else if (tag instanceof DoubleTag) {
+            return ((DoubleTag) tag).getValue().longValue();
+
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a short named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a short tag,
+     * then {@code 0} will be returned.</p>
+     *
+     * @param index the index
+     * @return a short
+     */
+    public short getShort(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof ShortTag) {
+            return ((ShortTag) tag).getValue();
+        } else {
+            return 0;
+        }
+    }
+
+    /**
+     * Get a string named with the given index.
+     *
+     * <p>If the index does not exist or its value is not a string tag,
+     * then {@code ""} will be returned.</p>
+     *
+     * @param index the index
+     * @return a string
+     */
+    public String getString(int index) {
+        Tag tag = getIfExists(index);
+        if (tag instanceof StringTag) {
+            return ((StringTag) tag).getValue();
+        } else {
+            return "";
+        }
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder bldr = new StringBuilder();
+        bldr.append("TAG_List").append(": ").append(value.size()).append(" entries of type ").append(NBTUtils.getTypeName(type)).append("\r\n{\r\n");
+        for (Tag t : value) {
+            bldr.append("   ").append(t.toString().replaceAll("\r\n", "\r\n   ")).append("\r\n");
+        }
+        bldr.append("}");
+        return bldr.toString();
+    }
+
+}

core/src/main/java/com/sk89q/jnbt/Tag.java

@@ -0,0 +1,38 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.jnbt;
+
+/**
+ * Represents a NBT tag.
+ */
+public abstract class Tag {
+
+    /**
+     * Gets the value of this tag.
+     *
+     * @return the value
+     */
+    public abstract Object getValue();
+
+    public Object getRaw() {
+        return getValue();
+    }
+
+}

nukkit/src/main/java/com/boydti/fawe/nukkit/core/converter/ConverterFrame.java

@@ -11,6 +11,8 @@ import com.boydti.fawe.installer.MinimizeButton;
 import com.boydti.fawe.installer.MovablePanel;
 import com.boydti.fawe.installer.TextAreaOutputStream;
 import com.boydti.fawe.installer.URLButton;
+import com.boydti.fawe.object.clipboard.ClipboardRemapper;
+import com.boydti.fawe.object.clipboard.ItemWikiScraper;
 import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.wrappers.FakePlayer;
 import java.awt.BorderLayout;
@@ -30,6 +32,10 @@ import java.net.URL;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
 import javax.imageio.ImageIO;
 import javax.swing.BorderFactory;
 import javax.swing.JButton;
@@ -37,13 +43,17 @@ import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
+import javax.swing.JProgressBar;
 import javax.swing.JScrollPane;
 import javax.swing.JTextArea;
 import javax.swing.SwingConstants;
+import javax.swing.border.Border;
 import javax.swing.border.EmptyBorder;
+import javax.swing.border.TitledBorder;
 
 public class ConverterFrame extends JFrame {
     private final InvisiblePanel loggerPanel;
+    private final JProgressBar progressBar;
     private Color LIGHT_GRAY = new Color(0x66, 0x66, 0x66);
     private Color GRAY = new Color(0x44, 0x44, 0x46);
     private Color DARK_GRAY = new Color(0x33, 0x33, 0x36);
@@ -56,6 +66,8 @@ public class ConverterFrame extends JFrame {
     private BrowseButton browseSave;
 
     public ConverterFrame() throws Exception {
+        async(() -> downloadDependencies());
+
         final MovablePanel movable = new MovablePanel(this);
         movable.setBorder(BorderFactory.createLineBorder(new Color(0x28, 0x28, 0x29)));
 
@@ -69,23 +81,27 @@ public class ConverterFrame extends JFrame {
         int y = (int) ((dimension.getHeight() - this.getHeight()) / 2);
         this.setLocation(x, y);
         this.setVisible(true);
-        this.setOpacity(0);
+
+        if (this.transparency(0)) {
+            fadeIn();
+        }
+
         movable.setBackground(DARK_GRAY);
         movable.setLayout(new BorderLayout());
 
-        fadeIn();
-
         JPanel topBar = new InvisiblePanel(new BorderLayout());
         {
             JPanel topBarLeft = new InvisiblePanel();
             JPanel topBarCenter = new InvisiblePanel();
             JPanel topBarRight = new InvisiblePanel();
 
-            JLabel title = new JLabel("(FAWE) Anvil and LevelDB converter");
+            JLabel title = new JLabel();
             title.setHorizontalAlignment(SwingConstants.CENTER);
             title.setAlignmentX(Component.RIGHT_ALIGNMENT);
             title.setForeground(Color.LIGHT_GRAY);
+            title.setText("(FAWE) Anvil and LevelDB converter");
             title.setFont(new Font("Lucida Sans Unicode", Font.PLAIN, 15));
+            setTitle(null);
 
             MinimizeButton minimize = new MinimizeButton(this);
             CloseButton exit = new CloseButton();
@@ -195,8 +211,7 @@ public class ConverterFrame extends JFrame {
             installContent.add(install);
             installContent.setBorder(new EmptyBorder(10, 0, 10, 0));
             this.loggerPanel = new InvisiblePanel(new BorderLayout());
-            this.loggerPanel.setBackground(Color.GREEN);
+            loggerPanel.setPreferredSize(new Dimension(Integer.MAX_VALUE, 380));
-            loggerPanel.setPreferredSize(new Dimension(416, 442));
             loggerTextArea = new JTextArea();
             loggerTextArea.setBackground(Color.GRAY);
             loggerTextArea.setForeground(Color.DARK_GRAY);
@@ -208,10 +223,22 @@ public class ConverterFrame extends JFrame {
             loggerPanel.add(scroll);
             loggerPanel.setVisible(false);
 
+            this.progressBar = new JProgressBar();
+            progressBar.setVisible(false);
+            progressBar.setStringPainted(true);
+            progressBar.setBackground(DARK_GRAY);
+            progressBar.setForeground(OFF_WHITE);
+
             mainContent.setBorder(new EmptyBorder(6, 32, 6, 32));
             mainContent.add(browseContent, BorderLayout.NORTH);
             mainContent.add(installContent, BorderLayout.CENTER);
-            mainContent.add(loggerPanel, BorderLayout.SOUTH);
+
+            final JPanel console = new InvisiblePanel(new BorderLayout());
+            console.setBorder(new EmptyBorder(6, 0, 6, 0));
+            console.add(progressBar, BorderLayout.SOUTH);
+            console.add(loggerPanel, BorderLayout.NORTH);
+
+            mainContent.add(console, BorderLayout.SOUTH);
         }
         JPanel bottomBar = new InvisiblePanel();
         {
@@ -270,6 +297,47 @@ public class ConverterFrame extends JFrame {
         this.repaint();
     }
 
+    public void prompt(String message) {
+        JOptionPane.showMessageDialog(null, message);
+        Fawe.debug(message);
+    }
+
+    public void debug(String m) {
+        System.out.println(m);
+    }
+
+    public void setProgress(String text, int percent) {
+        Border border = BorderFactory.createTitledBorder(new EmptyBorder(0, 0, 0, 0), "Time remaining: " + text, TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, new Font("Lucida Sans Unicode",Font.PLAIN,12), OFF_WHITE);
+        progressBar.setVisible(true);
+        progressBar.setBorder(border);
+        progressBar.setValue(percent);
+        repaint();
+    }
+
+    private void fadeIn() {
+        async(() -> {
+            for (float i = 0; i <= 1.015; i += 0.016) {
+                if (!transparency(Math.min(1, i))) return;
+                try {
+                    Thread.sleep(16);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                } catch (UnsupportedOperationException ignore) {
+                    return;
+                }
+            }
+        });
+    }
+
+    private boolean transparency(float val) {
+        try {
+            super.setOpacity(val);
+            return true;
+        } catch (UnsupportedOperationException ignore) {
+            return false;
+        }
+    }
+
     private File getDefaultOutput() {
         if (MainUtil.getPlatform() == MainUtil.OS.WINDOWS) {
             String applicationData = System.getenv("APPDATA");
@@ -281,16 +349,61 @@ public class ConverterFrame extends JFrame {
         return new File(".");
     }
 
-    public void prompt(String message) {
+    private void async(Runnable r) {
-        JOptionPane.showMessageDialog(null, message);
+        new Thread(r).start();
-        Fawe.debug(message);
     }
 
-    public void debug(String m) {
+    private AtomicBoolean dependenciesLoaded = new AtomicBoolean(false);
-        System.out.println(m);
+    private void downloadDependencies() {
+        synchronized (dependenciesLoaded) {
+            if (dependenciesLoaded.get()) return;
+            try {
+                ExecutorService pool = Executors.newCachedThreadPool();
+                ItemWikiScraper scraper = new ItemWikiScraper();
+
+                File lib = new File("lib");
+                File leveldb = new File(lib, "leveldb_v1.jar");
+                URL levelDbUrl = new URL("https://git.io/vdZ9e");
+
+                pool.submit((Runnable) () -> {
+                    try {
+                        MainUtil.download(levelDbUrl, leveldb);
+                        MainUtil.loadURLClasspath(leveldb.toURL());
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                });
+
+                pool.submit((Runnable) () -> {
+                    try {
+                        scraper.scapeOrCache(ClipboardRemapper.RemapPlatform.PE);
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                });
+
+                pool.submit((Runnable) () -> {
+                    try {
+                        scraper.scapeOrCache(ClipboardRemapper.RemapPlatform.PC);
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                });
+
+                pool.shutdown();
+                try {
+                    pool.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                dependenciesLoaded.set(true);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
     }
 
-    public void install(String input, String output) throws Exception {
+    private void install(String input, String output) throws Exception {
         if (!loggerPanel.isVisible()) {
             loggerPanel.setVisible(true);
             this.repaint();
@@ -324,30 +437,10 @@ public class ConverterFrame extends JFrame {
             public void run() {
                 FakePlayer console = FakePlayer.getConsole();
                 try {
-                    debug("Loading leveldb.jar");
+                    debug("Downloading levedb.jar and mappings (~4MB), please wait...");
-
+                    downloadDependencies();
-                    File lib = new File("lib");
-
-                    File leveldb = new File(lib, "leveldb.jar");
-                    URL levelDbUrl = new URL("https://git.io/vdZ9e");
-
-
-//                    File blocksPE = new File(lib, "blocks-pe.json");
-//                    File blocksPC = new File(lib, "blocks-pc.json");
-
-//                    URL urlPE = new URL("https://git.io/vdZSj");
-//                    URL urlPC = new URL("https://git.io/vdZSx");
-
-                    MainUtil.download(levelDbUrl, leveldb);
-//                    MainUtil.download(urlPE, blocksPC);
-//                    MainUtil.download(urlPC, blocksPE);
-
-                    MainUtil.loadURLClasspath(leveldb.toURL());
-
-                    File newWorldFile = new File(output, dirMc.getName());
-
                     debug("Starting converter...");
-
+                    File newWorldFile = new File(output, dirMc.getName());
                     MapConverter converter = MapConverter.get(dirMc, newWorldFile);
                     converter.accept(ConverterFrame.this);
                 } catch (Throwable e) {
@@ -355,28 +448,13 @@ public class ConverterFrame extends JFrame {
                     prompt("[ERROR] Conversion failed, you will have to do it manually (Nukkit server + anvil2leveldb command)");
                     return;
                 }
+                System.gc();
+                System.gc();
             }
         });
         installThread.start();
     }
 
-    public void fadeIn() {
-        Thread thread = new Thread(new Runnable() {
-            @Override
-            public void run() {
-                for (float i = 0; i <= 1.015; i += 0.016) {
-                    ConverterFrame.this.setOpacity(Math.min(1, i));
-                    try {
-                        Thread.sleep(16);
-                    } catch (InterruptedException e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        });
-        thread.start();
-    }
-
     public static void main(String[] args) throws Exception {
         ConverterFrame window = new ConverterFrame();
     }

nukkit/src/main/java/com/boydti/fawe/nukkit/core/converter/MCAFile2LevelDB.java

@@ -12,6 +12,7 @@ import com.boydti.fawe.object.RunnableVal;
 import com.boydti.fawe.object.clipboard.ClipboardRemapper;
 import com.boydti.fawe.object.io.LittleEndianOutputStream;
 import com.boydti.fawe.object.number.MutableLong;
+import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.util.MemUtil;
 import com.boydti.fawe.util.ReflectionUtils;
 import com.boydti.fawe.util.StringMan;
@@ -52,6 +53,7 @@ import java.util.concurrent.ForkJoinPool;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.LongAdder;
 import java.util.zip.GZIPInputStream;
+import org.iq80.leveldb.CompressionType;
 import org.iq80.leveldb.DB;
 import org.iq80.leveldb.Options;
 import org.iq80.leveldb.WriteBatch;
@@ -61,16 +63,22 @@ public class MCAFile2LevelDB extends MapConverter {
     private final byte[] VERSION = new byte[] { 4 };
     private final byte[] COMPLETE_STATE = new byte[] { 2, 0, 0, 0 };
 
-    private DB db;
+    private final DB db;
     private final ClipboardRemapper remapper;
     private final ForkJoinPool pool;
     private boolean closed;
-    private LongAdder submitted = new LongAdder();
+    private LongAdder submittedChunks = new LongAdder();
+    private LongAdder submittedFiles = new LongAdder();
+
+    private LongAdder totalOperations = new LongAdder();
+    private long estimatedOperations;
 
     private long time;
-
     private boolean remap;
 
+    private final long startTime;
+    private ConverterFrame app;
+
     private ConcurrentLinkedQueue<CompoundTag> portals = new ConcurrentLinkedQueue<>();
 
     private ConcurrentHashMap<Thread, WriteBatch> batches = new ConcurrentHashMap<Thread, WriteBatch>() {
@@ -79,7 +87,7 @@ public class MCAFile2LevelDB extends MapConverter {
         public WriteBatch get(Object key) {
             WriteBatch value = super.get(key);
             if (value == null) {
-                synchronized (batches) {
+                synchronized (MCAFile2LevelDB.this) {
                     synchronized (Thread.currentThread()) {
                         value = db.createWriteBatch();
                         put((Thread) key, value);
@@ -92,6 +100,7 @@ public class MCAFile2LevelDB extends MapConverter {
 
     public MCAFile2LevelDB(File folderFrom, File folderTo) {
         super(folderFrom, folderTo);
+        this.startTime = System.currentTimeMillis();
         try {
             if (!folderTo.exists()) {
                 folderTo.mkdirs();
@@ -104,15 +113,61 @@ public class MCAFile2LevelDB extends MapConverter {
             this.pool = new ForkJoinPool();
             this.remapper = new ClipboardRemapper(ClipboardRemapper.RemapPlatform.PC, ClipboardRemapper.RemapPlatform.PE);
             BundledBlockData.getInstance().loadFromResource();
-            flush(true);
+
+            int bufferSize = (int) Math.min(Integer.MAX_VALUE, Math.max((long) (MemUtil.getFreeBytes() * 0.8), 134217728));
+            this.db = Iq80DBFactory.factory.open(new File(folderTo, "db"),
+                    new Options()
+                            .createIfMissing(true)
+                            .verifyChecksums(false)
+                            .compressionType(CompressionType.ZLIB)
+                            .blockSize(262144) // 256K
+                            .cacheSize(8388608) // 8MB
+                            .writeBufferSize(134217728) // >=512MB
+            );
+
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
     }
 
-    public void flush(boolean openDB) throws IOException {
+    private double lastPercent;
+    private double lastTimeRatio;
+
+    private void progress(int increment) {
+        if (app == null) return;
+        totalOperations.add(increment);
+
+        long completedOps = totalOperations.longValue();
+        double percent = Math.max(0, Math.min(100, (Math.pow(completedOps, 1.5) * 100 / Math.pow(estimatedOperations, 1.5))));
+        double lastPercent = (this.lastPercent == 0 ? percent : this.lastPercent);
+        percent = (percent + lastPercent * 19) / 20;
+        if (increment != 0) this.lastPercent = percent;
+
+        double remaining = estimatedOperations - completedOps;
+        long timeSpent = System.currentTimeMillis() - startTime;
+
+        double totalTime = Math.pow(estimatedOperations, 1.5) * 1000;
+        double estimatedTimeSpent = Math.pow(completedOps, 1.5) * 1000;
+
+        double timeRemaining;
+        if (completedOps > 32) {
+            double timeRatio = (timeSpent * totalTime / estimatedTimeSpent);
+            double lastTimeRatio = this.lastTimeRatio == 0 ? timeRatio : this.lastTimeRatio;
+            timeRatio = (timeRatio + lastTimeRatio * 19) / 20;
+            if (increment != 0) this.lastTimeRatio = timeRatio;
+            timeRemaining = timeRatio - timeSpent;
+        } else {
+            timeRemaining = ((long) totalTime >> 5) - timeSpent;
+        }
+        String msg = MainUtil.secToTime((long) (timeRemaining / 1000));
+        app.setProgress(msg, (int) percent);
+    }
+
+    public synchronized void flush() throws IOException {
         pool.awaitQuiescence(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
-        synchronized (batches) {
+        progress(1);
+        synchronized (MCAFile2LevelDB.this) {
+            int count = pool.getParallelism();
             Iterator<Map.Entry<Thread, WriteBatch>> iter = batches.entrySet().iterator();
             while (iter.hasNext()) {
                 Map.Entry<Thread, WriteBatch> entry = iter.next();
@@ -121,29 +176,20 @@ public class MCAFile2LevelDB extends MapConverter {
                     db.write(batch);
                     batch.close();
                     iter.remove();
+                    progress(2);
+                    count--;
                 }
             }
-            if (openDB) {
-                Fawe.debug("Flushing changes, please wait");
-                if (db != null) db.close();
             System.gc();
             System.gc();
-                int bufferSize = (int) Math.min(Integer.MAX_VALUE, Math.max((long) (MemUtil.getFreeBytes() * 0.8), 134217728));
+            progress(count * 2);
-                this.db = Iq80DBFactory.factory.open(new File(folderTo, "db"),
-                        new Options()
-                                .createIfMissing(true)
-                                .verifyChecksums(false)
-                                .blockSize(262144) // 256K
-                                .cacheSize(8388608) // 8MB
-                                .writeBufferSize(536870912) // >=512MB
-                );
-            }
         }
     }
 
     public DelegateMCAFilter<MutableLong> toFilter(final int dimension) {
         RemapFilter filter = new RemapFilter(ClipboardRemapper.RemapPlatform.PC, ClipboardRemapper.RemapPlatform.PE);
         filter.setDimension(dimension);
+
         DelegateMCAFilter<MutableLong> delegate = new DelegateMCAFilter<MutableLong>(filter) {
             @Override
             public void finishFile(MCAFile file, MutableLong cache) {
@@ -158,6 +204,16 @@ public class MCAFile2LevelDB extends MapConverter {
                     }
                 });
                 file.clear();
+
+                progress(1);
+                submittedFiles.increment();
+                if ((submittedFiles.longValue() & 7) == 0) {
+                    try {
+                        flush();
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                }
             }
         };
         return delegate;
@@ -166,6 +222,7 @@ public class MCAFile2LevelDB extends MapConverter {
 
     @Override
     public void accept(ConverterFrame app) {
+        this.app = app;
         File levelDat = new File(folderFrom, "level.dat");
         if (levelDat.exists()) {
             try {
@@ -177,12 +234,34 @@ public class MCAFile2LevelDB extends MapConverter {
 
         List<CompoundTag> portals = new ArrayList<>();
         String[] dimDirs = {"region", "DIM-1/region", "DIM1/region"};
+        File[] regionFolders = new File[dimDirs.length];
+        int totalFiles = 0;
         for (int dim = 0; dim < 3; dim++) {
             File source = new File(folderFrom, dimDirs[dim]);
             if (source.exists()) {
+                regionFolders[dim] = source;
+                totalFiles += source.listFiles().length;
+            }
+        }
+        this.estimatedOperations = totalFiles + (totalFiles >> 3) + (totalFiles >> 3) * pool.getParallelism() * 2;
+
+        Thread progressThread = new Thread(() -> {
+            while (!Thread.currentThread().isInterrupted()) {
+                try {
+                    Thread.sleep(1000);
+                    progress(0);
+                } catch (InterruptedException e) {
+                    return;
+                }
+            }
+        });
+        progressThread.start();
+
+        for (int dim = 0; dim < regionFolders.length; dim++) {
+            File source = regionFolders[dim];
+            if (source != null) {
                 DelegateMCAFilter filter = toFilter(dim);
                 MCAQueue queue = new MCAQueue(null, source, true);
-
                 MCAFilter result = queue.filterWorld(filter);
                 portals.addAll(((RemapFilter) filter.getFilter()).getPortals());
             }
@@ -201,11 +280,13 @@ public class MCAFile2LevelDB extends MapConverter {
 
 
         try {
-            flush(false);
+            flush();
         } catch (IOException e) {
             e.printStackTrace();
         }
+        progressThread.interrupt();
         close();
+        app.setProgress("Done", 0);
         app.prompt(
                 "Conversion complete!\n" +
                         " - The world save is still being compacted, but you can close the program anytime\n" +
@@ -223,7 +304,7 @@ public class MCAFile2LevelDB extends MapConverter {
     }
 
     @Override
-    public void close() {
+    public synchronized void close() {
         try {
             if (closed == (closed = true)) return;
             Fawe.debug("Collecting threads");
@@ -238,7 +319,7 @@ public class MCAFile2LevelDB extends MapConverter {
         }
     }
 
-    public void compact() {
+    public synchronized void compact() {
         // Since the library doesn't support it, only way to flush the cache is to loop over everything
         try (DB newDb = Iq80DBFactory.factory.open(new File(folderTo, "db"), new Options()
                 .verifyChecksums(false)
@@ -315,8 +396,9 @@ public class MCAFile2LevelDB extends MapConverter {
     }
 
     public void write(MCAChunk chunk, boolean remap, int dim) throws IOException {
-        submitted.add(1);
+        submittedChunks.add(1);
-        if ((submitted.longValue() & 1023) == 0) {
+        long numChunks = submittedChunks.longValue();
+        if ((numChunks & 1023) == 0) {
             long queued = pool.getQueuedTaskCount() + pool.getQueuedSubmissionCount();
             if (queued > 127) {
                 System.gc();
@@ -329,13 +411,8 @@ public class MCAFile2LevelDB extends MapConverter {
                     }
                 }
             }
-            if ((submitted.longValue() & 8191) == 0) {
-                boolean reopen = (submitted.longValue() & 65535) == 0;
-                flush(reopen);
         }
-        }
+        synchronized (MCAFile2LevelDB.this) {
-        pool.submit((Runnable) () -> {
-            synchronized (Thread.currentThread()) {
             try {
                 update(getKey(chunk, Tag.Version, dim), VERSION);
                 update(getKey(chunk, Tag.FinalizedState, dim), COMPLETE_STATE);
@@ -396,7 +473,7 @@ public class MCAFile2LevelDB extends MapConverter {
                 int maxLayer = chunk.ids.length - 1;
                 while (maxLayer >= 0 && chunk.ids[maxLayer] == null) maxLayer--;
                 if (maxLayer >= 0) {
-                        for (int layer = maxLayer; layer >= 0; layer--) {
+                    for (int layer = 0; layer <= maxLayer; layer++) {
                         // Set layer
                         byte[] key = getSectionKey(chunk, layer, dim);
                         byte[] value = new byte[1 + 4096 + 2048 + 2048 + 2048];
@@ -427,13 +504,14 @@ public class MCAFile2LevelDB extends MapConverter {
                 e.printStackTrace();
             }
         }
-        });
     }
 
     private void update(byte[] key, byte[] value) {
+        synchronized (Thread.currentThread()) {
             WriteBatch batch = batches.get(Thread.currentThread());
             batch.put(key, value);
         }
+    }
 
     private void copySection(byte[] src, byte[] dest, int destPos) {
         switch (src.length) {
@@ -541,6 +619,9 @@ public class MCAFile2LevelDB extends MapConverter {
                 Map<String, com.sk89q.jnbt.Tag> map = ReflectionUtils.getMap(tag.getValue());
                 id = remapper.remapEntityId(id);
                 map.put("id", new StringTag(id));
+                if (map.containsKey("Pos")) {
+                    map.put("id", new IntTag(11));
+                }
                 { // Convert items
                     com.sk89q.jnbt.ListTag items = tag.getListTag("Items");
                     ((List<CompoundTag>) (List) items.getValue()).forEach(this::transformItem);
@@ -555,13 +636,21 @@ public class MCAFile2LevelDB extends MapConverter {
                     }
                 }
                 { // Health
-                    com.sk89q.jnbt.Tag health = map.get("Health");
+                    com.sk89q.jnbt.Tag tVal = map.get("Health");
-                    if (health != null && health instanceof FloatTag) {
+                    if (tVal != null) {
-                        map.put("Health", new ShortTag((short) tag.getFloat("Health")));
+                        short newVal = ((Number) tVal.getValue()).shortValue();
+                        map.put("Health", new ShortTag((short) (newVal * 2)));
+                    }
+                }
+                for (String key : new String[] {"Age", "Health"}) {
+                    com.sk89q.jnbt.Tag tVal = map.get(key);
+                    if (tVal != null) {
+                        short newVal = ((Number) tVal.getValue()).shortValue();
+                        map.put(key, new ShortTag(newVal));
                     }
                 }
                 { // Orientation / Position
-                    for (String key : new String[] {"Orientation", "Position"}) {
+                    for (String key : new String[] {"Orientation", "Position", "Rotation", "Pos", "Motion"}) {
                         ListTag list = (ListTag) map.get(key);
                         if (list != null) {
                             List<com.sk89q.jnbt.Tag> value = list.getValue();