Fixed a null pointer. Merged in a bunch of CLI stuff.

build.gradle.kts

@@ -13,7 +13,7 @@ logger.lifecycle("""
  1) Read COMPILING.md if you haven't yet
  2) Try running 'build' in a separate Gradle run
  3) Use gradlew and not gradle
- 4) If you still need help, ask on Discord! https://discord.gg/cSMxtGn
+ 4) If you still need help, ask on Discord! https://discord.gg/enginehub
 
  Output files will be in [subproject]/build/libs
 *******************************************

worldedit-bukkit/build.gradle.kts

@@ -12,6 +12,7 @@ repositories {
     maven { url = uri("https://repo.codemc.org/repository/maven-public") }
     maven { url = uri("https://papermc.io/repo/repository/maven-public/") }
     maven { url = uri("http://empcraft.com/maven2") }
+    maven { url = uri("https://maven.enginehub.org/repo/") }
     maven { url = uri("http://ci.frostcast.net/plugin/repository/everything") }
     maven { url = uri("http://dl.bintray.com/tastybento/maven-repo") }
     maven { url = uri("http://ci.emc.gs/nexus/content/groups/aikar/") }
@@ -38,10 +39,15 @@ dependencies {
     "implementation"("io.papermc:paperlib:1.0.2")
     "compileOnly"("com.sk89q:dummypermscompat:1.10")
     "implementation"("org.apache.logging.log4j:log4j-slf4j-impl:2.8.1")
-    "implementation"("org.bstats:bstats-bukkit:1.5")
+    "testCompile"("org.mockito:mockito-core:1.9.0-rc1") {
-    "testCompile"("org.mockito:mockito-core:1.9.0-rc1")
+        exclude("junit", "junit")
-    "implementation"("com.sk89q.worldguard:worldguard-core:7.0.0-20190215.210421-39") { isTransitive = false }
+    }
-    "implementation"("com.sk89q.worldguard:worldguard-legacy:7.0.0-20190215.210421-39") { isTransitive = false }
+    "compileOnly"("com.sk89q.worldguard:worldguard-bukkit:7.0.0") {
+        exclude("com.sk89q.worldedit", "worldedit-bukkit")
+        exclude("com.sk89q.worldedit", "worldedit-core")
+        exclude("com.sk89q.worldedit.worldedit-libs", "bukkit")
+        exclude("com.sk89q.worldedit.worldedit-libs", "core")
+    }
     "implementation"("com.massivecraft:factions:2.8.0") { isTransitive = false }
     "implementation"("com.drtshock:factions:1.6.9.5") { isTransitive = false }
     "implementation"("com.factionsone:FactionsOne:1.2.2") { isTransitive = false }

worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/chat/TextualComponent.java

@@ -1,273 +0,0 @@
-package com.boydti.fawe.bukkit.chat;
-
-import com.google.common.base.Preconditions;
-import com.google.gson.stream.JsonWriter;
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-import org.bukkit.configuration.serialization.ConfigurationSerializable;
-import org.bukkit.configuration.serialization.ConfigurationSerialization;
-
-/**
- * Represents a textual component of a message part.
- * This can be used to not only represent string literals in a JSON message,
- * but also to represent localized strings and other text values.
- * <p>Different instances of this class can be created with static constructor methods.</p>
- */
-public abstract class TextualComponent implements Cloneable {
-
-    static {
-        ConfigurationSerialization.registerClass(ArbitraryTextTypeComponent.class);
-        ConfigurationSerialization.registerClass(ComplexTextTypeComponent.class);
-    }
-
-    static TextualComponent deserialize(Map<String, Object> map) {
-        if (map.containsKey("key") && map.size() == 2 && map.containsKey("value")) {
-            // Arbitrary text component
-            return ArbitraryTextTypeComponent.deserialize(map);
-        } else if (map.size() >= 2 && map.containsKey("key") && !map.containsKey("value") /* It contains keys that START WITH value */) {
-            // Complex JSON object
-            return ComplexTextTypeComponent.deserialize(map);
-        }
-
-        return null;
-    }
-
-    static boolean isTextKey(String key) {
-        return key.equals("translate") || key.equals("text") || key.equals("score") || key.equals("selector");
-    }
-
-    static boolean isTranslatableText(TextualComponent component) {
-        return component instanceof ComplexTextTypeComponent && component.getKey().equals("translate");
-    }
-
-    /**
-     * Create a textual component representing a string literal.
-     *
-     * <p>This is the default type of textual component when a single string
-     * literal is given to a method.
-     *
-     * @param textValue The text which will be represented.
-     * @return The text component representing the specified literal text.
-     */
-    public static TextualComponent rawText(String textValue) {
-        return new ArbitraryTextTypeComponent("text", textValue);
-    }
-
-    /**
-     * Create a textual component representing a localized string.
-     * The client will see this text component as their localized version of the specified string <em>key</em>, which can be overridden by a
-     * resource pack.
-     * <p>
-     * If the specified translation key is not present on the client resource pack, the translation key will be displayed as a string literal to
-     * the client.
-     * </p>
-     *
-     * @param translateKey The string key which maps to localized text.
-     * @return The text component representing the specified localized text.
-     */
-    public static TextualComponent localizedText(String translateKey) {
-        return new ArbitraryTextTypeComponent("translate", translateKey);
-    }
-
-    private static void throwUnsupportedSnapshot() {
-        throw new UnsupportedOperationException("This feature is only supported in snapshot releases.");
-    }
-
-    /**
-     * Create a textual component representing a player name, retrievable by using a standard minecraft selector.
-     * The client will see the players or entities captured by the specified selector as the text represented by this component.
-     * <p>
-     * <b>This method is currently guaranteed to throw an {@code UnsupportedOperationException} as it is only supported on snapshot clients.</b>
-     * </p>
-     *
-     * @param selector The minecraft player or entity selector which will capture the entities whose string representations will be displayed in
-     * the place of this text component.
-     * @return The text component representing the name of the entities captured by the selector.
-     */
-    public static TextualComponent selector(String selector) {
-        throwUnsupportedSnapshot(); // Remove this line when the feature is released to non-snapshot versions, in addition to updating ALL THE
-        // OVERLOADS documentation accordingly
-
-        return new ArbitraryTextTypeComponent("selector", selector);
-    }
-
-    @Override
-    public String toString() {
-        return getReadableString();
-    }
-
-    /**
-     * @return The JSON key used to represent text components of this type.
-     */
-    public abstract String getKey();
-
-    /**
-     * @return A readable String
-     */
-    public abstract String getReadableString();
-
-    /**
-     * Clones a textual component instance.
-     * The returned object should not reference this textual component instance, but should maintain the same key and value.
-     */
-    @Override
-    public abstract TextualComponent clone() throws CloneNotSupportedException;
-
-    /**
-     * Writes the text data represented by this textual component to the specified JSON writer object.
-     * A new object within the writer is not started.
-     *
-     * @param writer The object to which to write the JSON data.
-     * @throws IOException If an error occurs while writing to the stream.
-     */
-    public abstract void writeJson(JsonWriter writer) throws IOException;
-
-    /**
-     * Internal class used to represent all types of text components.
-     * Exception validating done is on keys and values.
-     */
-    private static final class ArbitraryTextTypeComponent extends TextualComponent implements ConfigurationSerializable {
-
-        private String key;
-        private String value;
-
-        public ArbitraryTextTypeComponent(String key, String value) {
-            setKey(key);
-            setValue(value);
-        }
-
-        public static ArbitraryTextTypeComponent deserialize(Map<String, Object> map) {
-            return new ArbitraryTextTypeComponent(map.get("key").toString(), map.get("value").toString());
-        }
-
-        @Override
-        public String getKey() {
-            return key;
-        }
-
-        public void setKey(String key) {
-            Preconditions.checkArgument(key != null && !key.isEmpty(), "The key must be specified.");
-            this.key = key;
-        }
-
-        public String getValue() {
-            return value;
-        }
-
-        public void setValue(String value) {
-            Preconditions.checkArgument(value != null, "The value must be specified.");
-            this.value = value;
-        }
-
-        @Override
-        public TextualComponent clone() throws CloneNotSupportedException {
-            // Since this is a private and final class, we can just reinstantiate this class instead of casting super.clone
-            return new ArbitraryTextTypeComponent(getKey(), getValue());
-        }
-
-        @Override
-        public void writeJson(JsonWriter writer) throws IOException {
-            writer.name(getKey()).value(getValue());
-        }
-
-        @Override
-        @SuppressWarnings("serial")
-        public Map<String, Object> serialize() {
-            return new HashMap<String, Object>() {
-                {
-                    put("key", getKey());
-                    put("value", getValue());
-                }
-            };
-        }
-
-        @Override
-        public String getReadableString() {
-            return getValue();
-        }
-    }
-
-    /**
-     * Internal class used to represent a text component with a nested JSON
-     * value.
-     *
-     * <p>Exception validating done is on keys and values.
-     */
-    private static final class ComplexTextTypeComponent extends TextualComponent implements ConfigurationSerializable {
-
-        private String key;
-        private Map<String, String> value;
-
-        public ComplexTextTypeComponent(String key, Map<String, String> values) {
-            setKey(key);
-            setValue(values);
-        }
-
-        public static ComplexTextTypeComponent deserialize(Map<String, Object> map) {
-            String key = null;
-            Map<String, String> value = new HashMap<>();
-            for (Map.Entry<String, Object> valEntry : map.entrySet()) {
-                if (valEntry.getKey().equals("key")) {
-                    key = (String) valEntry.getValue();
-                } else if (valEntry.getKey().startsWith("value.")) {
-                    value.put(valEntry.getKey().substring(6) /* Strips out the value prefix */, valEntry.getValue().toString());
-                }
-            }
-            return new ComplexTextTypeComponent(key, value);
-        }
-
-        @Override
-        public String getKey() {
-            return key;
-        }
-
-        public void setKey(String key) {
-            Preconditions.checkArgument(key != null && !key.isEmpty(), "The key must be specified.");
-            this.key = key;
-        }
-
-        public Map<String, String> getValue() {
-            return value;
-        }
-
-        public void setValue(Map<String, String> value) {
-            Preconditions.checkArgument(value != null, "The value must be specified.");
-            this.value = value;
-        }
-
-        @Override
-        public TextualComponent clone() {
-            // Since this is a private and final class, we can just reinstantiate this class instead of casting super.clone
-            return new ComplexTextTypeComponent(getKey(), getValue());
-        }
-
-        @Override
-        public void writeJson(JsonWriter writer) throws IOException {
-            writer.name(getKey());
-            writer.beginObject();
-            for (Map.Entry<String, String> jsonPair : value.entrySet()) {
-                writer.name(jsonPair.getKey()).value(jsonPair.getValue());
-            }
-            writer.endObject();
-        }
-
-        @Override
-        @SuppressWarnings("serial")
-        public Map<String, Object> serialize() {
-            return new HashMap<String, Object>() {
-                {
-                    put("key", getKey());
-                    for (Entry<String, String> valEntry : getValue().entrySet()) {
-                        put("value." + valEntry.getKey(), valEntry.getValue());
-                    }
-                }
-            };
-        }
-
-        @Override
-        public String getReadableString() {
-            return getKey();
-        }
-    }
-}

worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/wrapper/AsyncBlockState.java

@@ -19,6 +19,7 @@ import org.bukkit.block.data.BlockData;
 import org.bukkit.material.MaterialData;
 import org.bukkit.metadata.MetadataValue;
 import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
 
 public class AsyncBlockState implements BlockState {
 
@@ -99,6 +100,7 @@ public class AsyncBlockState implements BlockState {
         return block.getLocation(loc);
     }
 
+    @NotNull
     @Override
     public Chunk getChunk() {
         return block.getChunk();

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitConfiguration.java

@@ -32,6 +32,7 @@ import java.io.File;
 public class BukkitConfiguration extends YAMLConfiguration {
 
     public boolean noOpPermissions = false;
+    public boolean commandBlockSupport = false;
     @Unreported private final WorldEditPlugin plugin;
 
     public BukkitConfiguration(YAMLProcessor config, WorldEditPlugin plugin) {
@@ -43,6 +44,7 @@ public class BukkitConfiguration extends YAMLConfiguration {
     public void load() {
         super.load();
         noOpPermissions = config.getBoolean("no-op-permissions", false);
+        commandBlockSupport = config.getBoolean("command-block-support", false);
         migrateLegacyFolders();
     }
 

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitRegistries.java

@@ -34,7 +34,6 @@ class BukkitRegistries extends BundledRegistries {
 
     private static final BukkitRegistries INSTANCE = new BukkitRegistries();
     private final BlockRegistry blockRegistry = new BukkitBlockRegistry();
-    private final ItemRegistry itemRegistry = new BukkitItemRegistry();
     private final BiomeRegistry biomeRegistry = new BukkitBiomeRegistry();
     private final EntityRegistry entityRegistry = new BukkitEntityRegistry();
     private final BlockCategoryRegistry blockCategoryRegistry = new BukkitBlockCategoryRegistry();
@@ -56,11 +55,6 @@ class BukkitRegistries extends BundledRegistries {
         return biomeRegistry;
     }
 
-    @Override
-    public ItemRegistry getItemRegistry() {
-        return itemRegistry;
-    }
-
     @Override
     public BlockCategoryRegistry getBlockCategoryRegistry() {
         return blockCategoryRegistry;

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/BukkitImplAdapter.java

@@ -23,9 +23,11 @@ import com.boydti.fawe.Fawe;
 import com.boydti.fawe.bukkit.FaweBukkit;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.Tag;
+import com.sk89q.worldedit.blocks.BaseItem;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.registry.state.Property;
+import com.sk89q.worldedit.util.Direction;
 import com.sk89q.worldedit.world.DataFixer;
 import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
@@ -33,6 +35,7 @@ import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.registry.BlockMaterial;
 
+import java.util.OptionalInt;
 import org.bukkit.Chunk;
 import org.bukkit.Location;
 import org.bukkit.World;
@@ -154,7 +157,30 @@ public interface BukkitImplAdapter<T> extends IBukkitAdapter {
      */
     void sendFakeOP(Player player);
 
+    /**
+     * Simulates a player using an item.
+     *
+     * @param world the world
+     * @param position the location
+     * @param item the item to be used
+     * @param face the direction in which to "face" when using the item
+     * @return whether the usage was successful
+     */
+    default boolean simulateItemUse(World world, BlockVector3 position, BaseItem item, Direction face) {
+        return false;
+    }
+
     default @org.jetbrains.annotations.Nullable World createWorld(WorldCreator creator) {
         return ((FaweBukkit) Fawe.imp()).createWorldUnloaded(creator::createWorld);
     }
+
+    /**
+     * Retrieve the internal ID for a given state, if possible.
+     *
+     * @param state The block state
+     * @return the internal ID of the state
+     */
+    default OptionalInt getInternalBlockStateId(BlockState state) {
+        return OptionalInt.empty();
+    }
 }

worldedit-core/src/main/java/com/sk89q/util/StringUtil.java

@@ -135,7 +135,7 @@ public final class StringUtil {
         }
         StringBuilder buffer = new StringBuilder(Integer.toString(str[initialIndex]));
         for (int i = initialIndex + 1; i < str.length; ++i) {
-            buffer.append(delimiter).append(str[i]);
+            buffer.append(delimiter).append(Integer.toString(str[i]));
         }
         return buffer.toString();
     }

worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java

@@ -1010,7 +1010,7 @@ public class EditSession extends PassthroughExtent implements AutoCloseable {
 
     @Override
     @Nullable
-    public Entity createEntity(Location location, final BaseEntity entity) {
+    public Entity createEntity(com.sk89q.worldedit.util.Location location, BaseEntity entity) {
         return getExtent().createEntity(location, entity);
     }
 
@@ -1233,7 +1233,7 @@ public class EditSession extends PassthroughExtent implements AutoCloseable {
      * @throws MaxChangedBlocksException thrown if too many blocks are changed
      */
     public <B extends BlockStateHolder<B>> int fillXZ(BlockVector3 origin, B block, double radius, int depth, boolean recursive) throws MaxChangedBlocksException {
-        return fillXZ(origin, block, radius, depth, recursive);
+        return fillXZ(origin, (Pattern) block, radius, depth, recursive);
     }
 
     /**

worldedit-core/src/main/java/com/sk89q/worldedit/EditSessionFactory.java

@@ -23,6 +23,7 @@ import static com.google.common.base.Preconditions.checkNotNull;
 
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.event.extent.EditSessionEvent;
+import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extent.inventory.BlockBag;
 import com.sk89q.worldedit.util.eventbus.EventBus;
 import com.sk89q.worldedit.world.World;
@@ -65,10 +66,10 @@ public class EditSessionFactory {
      *
      * @param world the world
      * @param maxBlocks the maximum number of blocks that can be changed, or -1 to use no limit
-     * @param player the player that the {@link EditSession} is for
+     * @param actor the actor that the {@link EditSession} is for
      * @return an instance
      */
-    public EditSession getEditSession(World world, int maxBlocks, Player player) {
+    public EditSession getEditSession(World world, int maxBlocks, Actor actor) {
 
         //  ============ READ ME ============
 
@@ -114,10 +115,10 @@ public class EditSessionFactory {
      * @param world the world
      * @param maxBlocks the maximum number of blocks that can be changed, or -1 to use no limit
      * @param blockBag an optional {@link BlockBag} to use, otherwise null
-     * @param player the player that the {@link EditSession} is for
+     * @param actor the actor that the {@link EditSession} is for
      * @return an instance
      */
-    public EditSession getEditSession(World world, int maxBlocks, BlockBag blockBag, Player player) {
+    public EditSession getEditSession(World world, int maxBlocks, BlockBag blockBag, Actor actor) {
 
         //  ============ READ ME ============
 
@@ -156,8 +157,8 @@ public class EditSessionFactory {
         }
 
         @Override
-        public EditSession getEditSession(World world, int maxBlocks, Player player) {
+        public EditSession getEditSession(World world, int maxBlocks, Actor actor) {
-            return getEditSession(world, maxBlocks, null, player);
+            return getEditSession(world, maxBlocks, null, actor);
         }
 
         @Override
@@ -166,11 +167,11 @@ public class EditSessionFactory {
         }
 
         @Override
-        public EditSession getEditSession(World world, int maxBlocks, BlockBag blockBag, Player player) {
+        public EditSession getEditSession(World world, int maxBlocks, BlockBag blockBag, Actor actor) {
             if (WorldEdit.getInstance().getConfiguration().traceUnflushedSessions) {
-                return new TracedEditSession(eventBus, world, maxBlocks, blockBag, new EditSessionEvent(world, player, maxBlocks, null));
+                return new TracedEditSession(eventBus, world, maxBlocks, blockBag, new EditSessionEvent(world, actor, maxBlocks, null));
             }
-            return new EditSession(eventBus, world, maxBlocks, blockBag, new EditSessionEvent(world, player, maxBlocks, null));
+            return new EditSession(eventBus, world, maxBlocks, blockBag, new EditSessionEvent(world, actor, maxBlocks, null));
         }
 
     }

worldedit-core/src/main/java/com/sk89q/worldedit/LocalSession.java

@@ -152,6 +152,7 @@ public class LocalSession implements TextureHolder {
     private transient VirtualWorld virtual;
     private transient BlockVector3 cuiTemporaryBlock;
     private transient List<Countable<BlockState>> lastDistribution;
+    private transient World worldOverride;
 
     // Saved properties
     private String lastScript;
@@ -569,6 +570,19 @@ public class LocalSession implements TextureHolder {
         return null;
     }
 
+    public boolean hasWorldOverride() {
+        return this.worldOverride != null;
+    }
+
+    @Nullable
+    public World getWorldOverride() {
+        return this.worldOverride;
+    }
+    public void setWorldOverride(@Nullable World worldOverride) {
+        this.worldOverride = worldOverride;
+    }
+
+
     public void unregisterTools(Player player) {
         for (Tool tool : tools) {
             if (tool instanceof BrushTool) {
@@ -614,6 +628,9 @@ public class LocalSession implements TextureHolder {
             if (selector.getWorld() == null || !selector.getWorld().equals(world)) {
                 selector.setWorld(world);
                 selector.clear();
+                if (hasWorldOverride() && !world.equals(getWorldOverride())) {
+                    setWorldOverride(null);
+                }
             }
         } catch (Throwable ignore) {
             selector.clear();
@@ -632,6 +649,9 @@ public class LocalSession implements TextureHolder {
         checkNotNull(selector);
         selector.setWorld(world);
         this.selector = selector;
+        if (hasWorldOverride() && !world.equals(getWorldOverride())) {
+            setWorldOverride(null);
+        }
     }
 
     /**
@@ -1328,17 +1348,23 @@ public class LocalSession implements TextureHolder {
     /**
      * Construct a new edit session.
      *
-     * @param player the actor
+     * @param actor the actor
      * @return an edit session
      */
-    public EditSession createEditSession(Player player) {
+    public EditSession createEditSession(Actor actor) {
-        checkNotNull(player);
+        checkNotNull(actor);
-
+        BlockBag blockBag = null;
-        BlockBag blockBag = getBlockBag(player);
+        if (actor.isPlayer() && actor instanceof Player) {
-
+            blockBag = getBlockBag((Player) actor);
-        World world = player.getWorld();
+        }
+        World world = null;
+        if (hasWorldOverride()) {
+            world = getWorldOverride();
+        } else if (actor instanceof Locatable && ((Locatable) actor).getExtent() instanceof World) {
+            world = (World) ((Locatable) actor).getExtent();
+        }
         EditSessionBuilder builder = new EditSessionBuilder(world);
-        if (player.isPlayer()) builder.player(FawePlayer.wrap(player));
+        if (actor.isPlayer() && actor instanceof Player) builder.player(FawePlayer.wrap(actor));
         builder.blockBag(blockBag);
         builder.fastmode(fastMode);
 

worldedit-core/src/main/java/com/sk89q/worldedit/command/ApplyBrushCommands.java

@@ -72,6 +72,27 @@ public class ApplyBrushCommands {
         .ofTypes(ImmutableList.of(Key.of(double.class)))
         .build();
 
+    public static void register(CommandManagerService service, CommandManager commandManager, CommandRegistrationHandler registration) {
+        commandManager.register("apply", builder -> {
+            builder.description(TextComponent.of("Apply brush, apply a function to every block"));
+            builder.action(org.enginehub.piston.Command.Action.NULL_ACTION);
+
+            CommandManager manager = service.newCommandManager();
+            registration.register(
+                manager,
+                ApplyBrushCommandsRegistration.builder(),
+                new ApplyBrushCommands()
+            );
+
+            builder.condition(new PermissionCondition(ImmutableSet.of("worldedit.brush.apply")));
+
+            builder.addParts(REGION_FACTORY, RADIUS);
+            builder.addPart(SubCommandPart.builder(TranslatableComponent.of("type"), TextComponent.of("Type of brush to use"))
+                .withCommands(manager.getAllCommands().collect(Collectors.toList()))
+                .required()
+                .build());
+        });
+    }
     private void setApplyBrush(CommandParameters parameters, Player player, LocalSession localSession,
                                Contextual<? extends RegionFunction> generatorFactory) throws WorldEditException {
         double radius = requireNonNull(RADIUS.value(parameters).asSingle(double.class));

worldedit-core/src/main/java/com/sk89q/worldedit/command/ChunkCommands.java

@@ -30,6 +30,7 @@ import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.command.util.CommandPermissions;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
 import com.sk89q.worldedit.command.util.Logging;
+import com.sk89q.worldedit.command.util.WorldEditAsyncCommandBuilder;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.internal.anvil.ChunkDeleter;
@@ -39,6 +40,7 @@ import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.util.formatting.component.PaginationBox;
+import com.sk89q.worldedit.util.formatting.text.Component;
 import com.sk89q.worldedit.util.formatting.text.TextComponent;
 import com.sk89q.worldedit.util.formatting.text.event.ClickEvent;
 import com.sk89q.worldedit.util.formatting.text.format.TextColor;
@@ -51,8 +53,8 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.ZonedDateTime;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.Set;
-import java.util.stream.Collectors;
 import org.enginehub.piston.annotation.Command;
 import org.enginehub.piston.annotation.CommandContainer;
 import org.enginehub.piston.annotation.param.ArgFlag;
@@ -94,10 +96,11 @@ public class ChunkCommands {
     @CommandPermissions("worldedit.listchunks")
     public void listChunks(Actor actor, World world, LocalSession session,
                             @ArgFlag(name = 'p', desc = "Page number.", def = "1") int page) throws WorldEditException {
-        Set<BlockVector2> chunks = session.getSelection(world).getChunks();
+        final Region region = session.getSelection(world);
 
-        PaginationBox paginationBox = PaginationBox.fromStrings("Selected Chunks", "/listchunks -p %page%", chunks);
+        WorldEditAsyncCommandBuilder.createAndSendMessage(actor,
-        actor.print(paginationBox.create(page));
+                () -> new ChunkListPaginationBox(region).create(page),
+                "Listing chunks for " + actor.getName());
     }
 
     @Command(
@@ -168,4 +171,27 @@ public class ChunkCommands {
                         .clickEvent(ClickEvent.of(ClickEvent.Action.SUGGEST_COMMAND, "/stop"))));
     }
 
+    private static class ChunkListPaginationBox extends PaginationBox {
+        //private final Region region;
+        private final List<BlockVector2> chunks;
+
+        ChunkListPaginationBox(Region region) {
+            super("Selected Chunks", "/listchunks -p %page%");
+            // TODO make efficient/streamable/calculable implementations of this
+            // for most region types, so we can just store the region and random-access get one page of chunks
+            // (this is non-trivial for some types of selections...)
+            //this.region = region.clone();
+            this.chunks = new ArrayList<>(region.getChunks());
+        }
+
+        @Override
+        public Component getComponent(int number) {
+            return TextComponent.of(chunks.get(number).toString());
+        }
+
+        @Override
+        public int getComponentsSize() {
+            return chunks.size();
+        }
+    }
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/ExpandCommands.java

@@ -29,6 +29,7 @@ import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.command.util.Logging;
 import com.sk89q.worldedit.command.util.PermissionCondition;
 import com.sk89q.worldedit.entity.Player;
+import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.internal.annotation.Direction;
 import com.sk89q.worldedit.internal.annotation.MultiDirection;
 import com.sk89q.worldedit.internal.command.CommandRegistrationHandler;
@@ -37,6 +38,7 @@ import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionOperationException;
 import com.sk89q.worldedit.util.formatting.text.TextComponent;
 import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
+import com.sk89q.worldedit.world.World;
 import java.util.List;
 import org.enginehub.piston.Command;
 import org.enginehub.piston.CommandManager;
@@ -119,7 +121,7 @@ public class ExpandCommands {
         desc = "Expand the selection area"
     )
     @Logging(REGION)
-    public void expand(Player player, LocalSession session,
+    public void expand(Actor actor, World world, LocalSession session,
                        @Arg(desc = "Amount to expand the selection by, can be `vert` to expand to the whole vertical column")
                            int amount,
                        @Arg(desc = "Amount to expand the selection by in the other direction", def = "0")
@@ -127,7 +129,7 @@ public class ExpandCommands {
                        @Arg(desc = "Direction to expand", def = Direction.AIM)
                        @MultiDirection
                            List<BlockVector3> direction) throws WorldEditException {
-        Region region = session.getSelection(player.getWorld());
+        Region region = session.getSelection(world);
         int oldSize = region.getArea();
 
         if (reverseAmount == 0) {
@@ -140,12 +142,12 @@ public class ExpandCommands {
             }
         }
 
-        session.getRegionSelector(player.getWorld()).learnChanges();
+        session.getRegionSelector(world).learnChanges();
         int newSize = region.getArea();
 
-        session.getRegionSelector(player.getWorld()).explainRegionAdjust(player, session);
+        session.getRegionSelector(world).explainRegionAdjust(actor, session);
 
-        player.print("Region expanded " + (newSize - oldSize) + " block(s).");
+        actor.print("Region expanded " + (newSize - oldSize) + " block(s).");
     }
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/GeneralCommands.java

@@ -85,23 +85,23 @@ public class GeneralCommands {
         desc = "Modify block change limit"
     )
     @CommandPermissions("worldedit.limit")
-    public void limit(Player player, LocalSession session,
+    public void limit(Actor actor, LocalSession session,
                       @Arg(desc = "The limit to set", def = "")
                           Integer limit) {
 
         LocalConfiguration config = worldEdit.getConfiguration();
-        boolean mayDisable = player.hasPermission("worldedit.limit.unrestricted");
+        boolean mayDisable = actor.hasPermission("worldedit.limit.unrestricted");
 
         limit = limit == null ? config.defaultChangeLimit : Math.max(-1, limit);
         if (!mayDisable && config.maxChangeLimit > -1) {
             if (limit > config.maxChangeLimit) {
-                player.printError("Your maximum allowable limit is " + config.maxChangeLimit + ".");
+                actor.printError("Your maximum allowable limit is " + config.maxChangeLimit + ".");
                 return;
             }
         }
 
         session.setBlockChangeLimit(limit);
-        player.print("Block change limit set to " + limit + "."
+        actor.print("Block change limit set to " + limit + "."
                 + (limit == config.defaultChangeLimit ? "" : " (Use //limit to go back to the default.)"));
     }
 
@@ -110,22 +110,22 @@ public class GeneralCommands {
         desc = "Modify evaluation timeout time."
     )
     @CommandPermissions("worldedit.timeout")
-    public void timeout(Player player, LocalSession session,
+    public void timeout(Actor actor, LocalSession session,
                         @Arg(desc = "The timeout time to set", def = "")
                             Integer limit) {
         LocalConfiguration config = worldEdit.getConfiguration();
-        boolean mayDisable = player.hasPermission("worldedit.timeout.unrestricted");
+        boolean mayDisable = actor.hasPermission("worldedit.timeout.unrestricted");
 
         limit = limit == null ? config.calculationTimeout : Math.max(-1, limit);
         if (!mayDisable && config.maxCalculationTimeout > -1) {
             if (limit > config.maxCalculationTimeout) {
-                player.printError("Your maximum allowable timeout is " + config.maxCalculationTimeout + " ms.");
+                actor.printError("Your maximum allowable timeout is " + config.maxCalculationTimeout + " ms.");
                 return;
             }
         }
 
         session.setTimeout(limit);
-        player.print("Timeout time set to " + limit + " ms."
+        actor.print("Timeout time set to " + limit + " ms."
                 + (limit == config.calculationTimeout ? "" : " (Use //timeout to go back to the default.)"));
     }
 
@@ -134,18 +134,20 @@ public class GeneralCommands {
             desc = "Toggle fast mode"
     )
     @CommandPermissions("worldedit.fast")
-    public void fast(Player player, LocalSession session, @Arg(desc = "The new fast mode state", def = "") Boolean fastMode) {
+    public void fast(Actor actor, LocalSession session,
+                     @Arg(desc = "The new fast mode state", def = "")
+                        Boolean fastMode) {
         boolean hasFastMode = session.hasFastMode();
         if (fastMode != null && fastMode == hasFastMode) {
-            player.printError("Fast mode already " + (fastMode ? "enabled" : "disabled") + ".");
+            actor.printError("Fast mode already " + (fastMode ? "enabled" : "disabled") + ".");
             return;
         }
         if (hasFastMode) {
             session.setFastMode(false);
-            BBC.FAST_DISABLED.send(player);
+            BBC.FAST_DISABLED.send(actor);
         } else {
             session.setFastMode(true);
-            BBC.FAST_ENABLED.send(player);
+            BBC.FAST_ENABLED.send(actor);
         }
     }
 
@@ -154,14 +156,14 @@ public class GeneralCommands {
         desc = "Sets the reorder mode of WorldEdit"
     )
     @CommandPermissions("worldedit.reorder")
-    public void reorderMode(Player player, LocalSession session,
+    public void reorderMode(Actor actor, LocalSession session,
                             @Arg(desc = "The reorder mode", def = "")
                                 EditSession.ReorderMode reorderMode) {
         if (reorderMode == null) {
-            player.print("The reorder mode is " + session.getReorderMode().getDisplayName());
+            actor.print("The reorder mode is " + session.getReorderMode().getDisplayName());
         } else {
             session.setReorderMode(reorderMode);
-            player.print("The reorder mode is now " + session.getReorderMode().getDisplayName());
+            actor.print("The reorder mode is now " + session.getReorderMode().getDisplayName());
         }
     }
 
@@ -193,18 +195,33 @@ public class GeneralCommands {
     }
 
     @Command(
-            name = "/gmask",
+        name = "/world",
-            aliases = {"gmask", "globalmask", "/globalmask"},
+        desc = "Sets the world override"
+    )
+    @CommandPermissions("worldedit.world")
+    public void world(Actor actor, LocalSession session,
+        @Arg(desc = "The world override", def = "") World world) {
+        session.setWorldOverride(world);
+        if (world == null) {
+            actor.print("Removed world override.");
+        } else {
+            actor.print("Set the world override to " + world.getId() + ". (Use //world to go back to default)");
+        }
+    }
+
+    @Command(
+            name = "gmask",
+            aliases = {"/gmask"},
             descFooter = "The global destination mask applies to all edits you do and masks based on the destination blocks (i.e. the blocks in the world).",
             desc = "Set the global mask"
     )
     @CommandPermissions({"worldedit.global-mask", "worldedit.mask.global"})
-    public void gmask(Player player, LocalSession session, @Arg(desc = "The mask to set", def = "") Mask maskOpt) {
+    public void gmask(Actor actor, LocalSession session, @Arg(desc = "The mask to set", def = "") Mask mask) {
-        session.setMask(maskOpt);
+        session.setMask(mask);
-        if (maskOpt == null) {
+        if (mask == null) {
-            BBC.MASK_DISABLED.send(player);
+            BBC.MASK_DISABLED.send(actor);
         } else {
-            BBC.MASK.send(player);
+            BBC.MASK.send(actor);
         }
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/RegistryConverter.java

@@ -54,7 +54,7 @@ public final class RegistryConverter<V extends Keyed> implements ArgumentConvert
     @SuppressWarnings("unchecked")
     public static void register(CommandManager commandManager) {
         ImmutableList.of(
-            BlockTypes.class,
+            BlockType.class,
             BlockCategory.class,
             ItemType.class,
             ItemCategory.class,

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/LongRangeBuildTool.java

@@ -27,6 +27,7 @@ import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extension.platform.Platform;
+import com.sk89q.worldedit.function.mask.Mask;
 import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.util.Location;
@@ -91,8 +92,13 @@ public class LongRangeBuildTool extends BrushTool implements DoubleActionTraceTo
     }
 
     private Location getTargetFace(Player player) {
-        Location target = player.getBlockTraceFace(getRange(), true);
+        Location target;
-        target = player.getBlockTrace(getRange(), true);
+        Mask mask = getTraceMask();
+        if (this.range > -1) {
+            target = player.getBlockTrace(getRange(), true, mask);
+        } else {
+            target = player.getBlockTrace(MAX_RANGE, false, mask);
+        }
         if (target == null) {
             BBC.NO_BLOCK.send(player);
             return null;

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/brush/HollowCylinderBrush.java

@@ -37,7 +37,7 @@ public class HollowCylinderBrush implements Brush {
     @Override
     public void build(EditSession editSession, BlockVector3 position, Pattern pattern, double size) throws MaxChangedBlocksException {
         if (pattern == null) {
-            pattern = (BlockTypes.COBBLESTONE.getDefaultState());
+            pattern = BlockTypes.COBBLESTONE.getDefaultState();
         }
         editSession.makeCylinder(position, pattern, size, size, height, false);
     }

worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/brush/HollowSphereBrush.java

@@ -31,7 +31,7 @@ public class HollowSphereBrush implements Brush {
     @Override
     public void build(EditSession editSession, BlockVector3 position, Pattern pattern, double size) throws MaxChangedBlocksException {
         if (pattern == null) {
-            pattern = (BlockTypes.COBBLESTONE.getDefaultState());
+            pattern = BlockTypes.COBBLESTONE.getDefaultState();
         }
         editSession.makeSphere(position, pattern, size, size, size, false);
     }

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/AbstractPlayerActor.java

@@ -383,7 +383,8 @@ public abstract class AbstractPlayerActor implements Actor, Player, Cloneable {
 
     @Override
     public Location getBlockOn() {
-        return getLocation().setPosition(getLocation().setY(getLocation().getY() - 1).toVector().floor());
+        final Location location = getLocation();
+        return location.setPosition(location.setY(location.getY() - 1).toVector().floor());
     }
 
     @Override
@@ -524,7 +525,8 @@ public abstract class AbstractPlayerActor implements Actor, Player, Cloneable {
 
     @Override
     public void setPosition(Vector3 pos) {
-        setPosition(pos, getLocation().getPitch(), getLocation().getYaw());
+        final Location location = getLocation();
+        setPosition(pos, location.getPitch(), location.getYaw());
     }
 
     @Override

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java

@@ -393,7 +393,7 @@ public final class PlatformCommandManager {
             registerSubCommands(
                 "brush",
                     ImmutableList.of("br", "/brush", "/br", "/tool", "tool"),
-                "Tool commands",
+                "Brushing commands",
                 BrushOptionsCommandsRegistration.builder(),
                 new BrushOptionsCommands(worldEdit)
             );
@@ -729,6 +729,7 @@ public final class PlatformCommandManager {
             // exceptions without writing a hook into every dispatcher, we need to unwrap these
             // exceptions and rethrow their converted form, if their is one.
             try {
+                //Why the hell do we need to return an object if we aren't doing anything with it?
                 Object result = task.get();
             } catch (Throwable t) {
                 // Use the exception converter to convert the exception if any of its causes

worldedit-core/src/main/java/com/sk89q/worldedit/regions/selector/CuboidRegionSelector.java

@@ -125,7 +125,7 @@ public class CuboidRegionSelector implements RegionSelector, CUIRegion {
     public boolean selectPrimary(BlockVector3 position, SelectorLimits limits) {
         checkNotNull(position);
 
-        if (position.equals(position1)) {
+        if (position1 != null && position.equals(position1)) {
             return false;
         }
 
@@ -138,7 +138,7 @@ public class CuboidRegionSelector implements RegionSelector, CUIRegion {
     public boolean selectSecondary(BlockVector3 position, SelectorLimits limits) {
         checkNotNull(position);
 
-        if (position.equals(position2)) {
+        if (position2 != null && position.equals(position2)) {
             return false;
         }
 

worldedit-core/src/main/java/com/sk89q/worldedit/world/AbstractWorld.java

@@ -34,6 +34,8 @@ import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
+import com.sk89q.worldedit.world.weather.WeatherType;
+import com.sk89q.worldedit.world.weather.WeatherTypes;
 import javax.annotation.Nullable;
 import java.nio.file.Path;
 import java.util.PriorityQueue;
@@ -132,6 +134,23 @@ public abstract class AbstractWorld implements World {
         return null;
     }
 
+    @Override
+    public WeatherType getWeather() {
+        return WeatherTypes.CLEAR;
+    }
+
+    @Override
+    public long getRemainingWeatherDuration() {
+        return 0;
+    }
+
+    @Override
+    public void setWeather(WeatherType weatherType) {
+    }
+
+    @Override
+    public void setWeather(WeatherType weatherType, long duration) {
+    }
     private class QueuedEffect implements Comparable<QueuedEffect> {
         private final Vector3 position;
         private final BlockType blockType;

worldedit-core/src/main/java/com/sk89q/worldedit/world/NullWorld.java

@@ -63,6 +63,10 @@ public class NullWorld extends AbstractWorld {
         return "null";
     }
 
+    @Override
+    public String getId() {
+        return "null";
+    }
     @Override
     public <B extends BlockStateHolder<B>> boolean setBlock(BlockVector3 position, B block, boolean notifyAndLight) throws WorldEditException {
         return false;

worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemType.java

@@ -106,10 +106,6 @@ public class ItemType implements RegistryItem, Keyed {
         return this.blockType;
     }
 
-    public void setBlockType(BlockType blockType) {
-        this.blockType = blockType;
-    }
-
     public BaseItem getDefaultState() {
         if (defaultState == null) {
             this.defaultState = new BaseItemStack(this);

worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/CategoryRegistry.java

@@ -37,5 +37,7 @@ public interface CategoryRegistry<T extends Keyed> {
      */
     Set<T> getCategorisedByName(String category);
 
-    Set<T> getAll(final Category<T> category);
+    default Set<T> getAll(final Category<T> category) {
+        return getCategorisedByName(category.getId());
+    }
 }

worldedit-libs/README.md

@@ -0,0 +1,9 @@
+This project shades _API_ libraries, i.e. those libraries
+whose classes are publicly referenced from `-core` classes.
+
+This project _does not_ shade implementation libraries, i.e.
+those libraries whose classes are internally depended on.
+
+This is because the main reason for shading those libraries is for
+their internal usage in each platform, not because we need them available to
+dependents of `-core` to compile and work with WorldEdit's API.

worldedit-libs/core/build.gradle.kts

@@ -11,7 +11,6 @@ dependencies {
     "shade"("com.github.luben:zstd-jni:1.4.3-1")
     "shade"("com.thoughtworks.paranamer:paranamer:2.6")
     "shade"("com.sk89q.lib:jlibnoise:1.0.0")
-
     "shade"("FAWE-Piston:core/build/libs/core-${Versions.PISTON}:lastSuccessfulBuild@jar")
     "shade"("FAWE-Piston:core-ap/runtime/build/libs/runtime-${Versions.PISTON}:lastSuccessfulBuild@jar")
     "shade"("FAWE-Piston:default-impl/build/libs/default-impl-${Versions.PISTON}:lastSuccessfulBuild@jar")