diff --git a/worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/v1_13_1/Spigot_v1_13_R2.java b/worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/v1_13_1/Spigot_v1_13_R2.java
index 076d57d6f..e134b532d 100644
--- a/worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/v1_13_1/Spigot_v1_13_R2.java
+++ b/worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/v1_13_1/Spigot_v1_13_R2.java
@@ -64,6 +64,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.function.Supplier;
@@ -365,7 +366,7 @@ public final class Spigot_v1_13_R2 extends CachedBukkitAdapter implements Bukkit
                 property = new BooleanProperty(state.a(), ImmutableList.copyOf(state.d()));
             } else if (state instanceof BlockStateDirection) {
                 property = new DirectionalProperty(state.a(),
-                        (List<Direction>) state.d().stream().map(e -> Direction.valueOf(((INamable) e).getName().toUpperCase())).collect(Collectors.toList()));
+                        (List<Direction>) state.d().stream().map(e -> Direction.valueOf(((INamable) e).getName().toUpperCase(Locale.ROOT))).collect(Collectors.toList()));
             } else if (state instanceof BlockStateEnum) {
                 property = new EnumProperty(state.a(),
                         (List<String>) state.d().stream().map(e -> ((INamable) e).getName()).collect(Collectors.toList()));
diff --git a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitEntity.java b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitEntity.java
index 5ac3b1893..d21ddcd4c 100644
--- a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitEntity.java
+++ b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitEntity.java
@@ -34,6 +34,7 @@ import com.sk89q.worldedit.world.entity.EntityTypes;
 import org.bukkit.entity.EntityType;
 
 import java.lang.ref.WeakReference;
+import java.util.Locale;
 
 import javax.annotation.Nullable;
 
@@ -88,7 +89,7 @@ public class BukkitEntity implements Entity {
 
     @Override
     public com.sk89q.worldedit.world.entity.EntityType getType() {
-        return EntityTypes.get(type.getName().toUpperCase());
+        return EntityTypes.get(type.getName().toUpperCase(Locale.ROOT));
     }
 
     @Override
diff --git a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPlayer.java b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPlayer.java
index 9b25740c6..d926d07fa 100644
--- a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPlayer.java
+++ b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPlayer.java
@@ -53,6 +53,7 @@ import org.bukkit.inventory.PlayerInventory;
 
 import javax.annotation.Nullable;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 import java.util.UUID;
 
@@ -185,7 +186,7 @@ public class BukkitPlayer extends AbstractPlayerActor {
 
     @Override
     public GameMode getGameMode() {
-        return GameModes.get(player.getGameMode().name().toLowerCase());
+        return GameModes.get(player.getGameMode().name().toLowerCase(Locale.ROOT));
     }
 
     @Override
diff --git a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java
index 4191c424b..fc49398c3 100644
--- a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java
+++ b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java
@@ -47,10 +47,12 @@ import org.bukkit.block.Chest;
 import org.bukkit.entity.Entity;
 import org.bukkit.inventory.DoubleChestInventory;
 import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.InventoryHolder;
 import org.slf4j.Logger;
 
 import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.EnumMap;
 import java.util.HashMap;
@@ -154,6 +156,11 @@ public class BukkitWorld extends AbstractWorld {
         return getWorld().getName();
     }
 
+    @Override
+    public Path getStoragePath() {
+        return getWorld().getWorldFolder().toPath();
+    }
+
     @Override
     public int getBlockLightLevel(BlockVector3 pt) {
         return getWorld().getBlockAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()).getLightLevel();
@@ -239,11 +246,11 @@ public class BukkitWorld extends AbstractWorld {
             return false;
         }
         BlockState state = block.getState();
-        if (!(state instanceof org.bukkit.inventory.InventoryHolder)) {
+        if (!(state instanceof InventoryHolder)) {
             return false;
         }
 
-        org.bukkit.inventory.InventoryHolder chest = (org.bukkit.inventory.InventoryHolder) state;
+        InventoryHolder chest = (InventoryHolder) state;
         Inventory inven = chest.getInventory();
         if (chest instanceof Chest) {
             inven = getBlockInventory((Chest) chest);
diff --git a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java
index ef8d4d5e8..faa7954c9 100644
--- a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java
+++ b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java
@@ -210,7 +210,7 @@ public class WorldEditPlugin extends JavaPlugin { //implements TabCompleter
     public void setupRegistries() {
         // Biome
         for (Biome biome : Biome.values()) {
-            BiomeType.REGISTRY.register("minecraft:" + biome.name().toLowerCase(), new BiomeType("minecraft:" + biome.name().toLowerCase()));
+            BiomeType.REGISTRY.register("minecraft:" + biome.name().toLowerCase(Locale.ROOT), new BiomeType("minecraft:" + biome.name().toLowerCase(Locale.ROOT)));
         }
         // Block & Item
         for (Material material : Material.values()) {
diff --git a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/IBukkitAdapter.java b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/IBukkitAdapter.java
index 6ae11c23a..194ccc2c6 100644
--- a/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/IBukkitAdapter.java
+++ b/worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/IBukkitAdapter.java
@@ -207,7 +207,7 @@ public interface IBukkitAdapter {
         if (!itemType.getId().startsWith("minecraft:")) {
             throw new IllegalArgumentException("Bukkit only supports Minecraft items");
         }
-        return Material.getMaterial(itemType.getId().substring(10).toUpperCase());
+        return Material.getMaterial(itemType.getId().substring(10).toUpperCase(Locale.ROOT));
     }
 
     /**
@@ -221,7 +221,7 @@ public interface IBukkitAdapter {
         if (!blockType.getId().startsWith("minecraft:")) {
             throw new IllegalArgumentException("Bukkit only supports Minecraft blocks");
         }
-        String id = blockType.getId().substring(10).toUpperCase();
+        String id = blockType.getId().substring(10).toUpperCase(Locale.ROOT);
         return Material.getMaterial(id);
     }
 
@@ -366,7 +366,7 @@ public interface IBukkitAdapter {
             throw new IllegalArgumentException("Bukkit only supports vanilla biomes");
         }
         try {
-            return Biome.valueOf(biomeType.getId().substring(10).toUpperCase());
+            return Biome.valueOf(biomeType.getId().substring(10).toUpperCase(Locale.ROOT));
         } catch (IllegalArgumentException e) {
             return null;
         }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/FaweAPI.java b/worldedit-core/src/main/java/com/boydti/fawe/FaweAPI.java
index f570ffd80..885376ade 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/FaweAPI.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/FaweAPI.java
@@ -18,6 +18,7 @@ import com.boydti.fawe.util.SetQueue;
 import com.boydti.fawe.util.TaskManager;
 import com.boydti.fawe.util.WEManager;
 import com.boydti.fawe.wrappers.WorldWrapper;
+
 import com.google.common.collect.Sets;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.WorldEdit;
@@ -37,24 +38,18 @@ import com.sk89q.worldedit.internal.registry.InputParser;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.Location;
-import com.sk89q.worldedit.world.AbstractWorld;
 import com.sk89q.worldedit.world.World;
-import org.jetbrains.annotations.NotNull;
 
+import javax.annotation.Nullable;
 import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.Field;
 import java.net.URL;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Comparator;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.UUID;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
 
 /**
  * The FaweAPI class offers a few useful functions.<br>
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/FaweCache.java b/worldedit-core/src/main/java/com/boydti/fawe/FaweCache.java
index fa24ab1dd..9a8420c71 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/FaweCache.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/FaweCache.java
@@ -292,7 +292,7 @@ public class FaweCache implements Trimable {
         } else if (value instanceof String) {
             return asTag((String) value);
         } else if (value instanceof Map) {
-            return asTag((Map) value);
+            return asTag((Map<String, Object>) value);
         } else if (value instanceof Collection) {
             return asTag((Collection) value);
         } else if (value instanceof Object[]) {
@@ -330,7 +330,7 @@ public class FaweCache implements Trimable {
     }
 
     public static ListTag asTag(Object... values) {
-        Class clazz = null;
+        Class<? extends Tag> clazz = null;
         List<Tag> list = new ArrayList<>(values.length);
         for (Object value : values) {
             Tag tag = asTag(value);
@@ -344,7 +344,7 @@ public class FaweCache implements Trimable {
     }
 
     public static ListTag asTag(Collection values) {
-        Class clazz = null;
+        Class<? extends Tag> clazz = null;
         List<Tag> list = new ArrayList<>(values.size());
         for (Object value : values) {
             Tag tag = asTag(value);
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/command/AnvilCommands.java b/worldedit-core/src/main/java/com/boydti/fawe/command/AnvilCommands.java
index c1430dab8..26e19a352 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/command/AnvilCommands.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/command/AnvilCommands.java
@@ -1,10 +1,12 @@
 package com.boydti.fawe.command;
 
-import com.boydti.fawe.Fawe;
 import com.boydti.fawe.FaweAPI;
-import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.BBC;
-import com.boydti.fawe.jnbt.anvil.*;
+import com.boydti.fawe.jnbt.anvil.MCAClipboard;
+import com.boydti.fawe.jnbt.anvil.MCAFile;
+import com.boydti.fawe.jnbt.anvil.MCAFilter;
+import com.boydti.fawe.jnbt.anvil.MCAFilterCounter;
+import com.boydti.fawe.jnbt.anvil.MCAQueue;
 import com.boydti.fawe.jnbt.anvil.filters.*;
 import com.boydti.fawe.jnbt.anvil.history.IAnvilHistory;
 import com.boydti.fawe.jnbt.anvil.history.NullAnvilHistory;
@@ -14,17 +16,18 @@ import com.boydti.fawe.object.RegionWrapper;
 import com.boydti.fawe.object.RunnableVal4;
 import com.boydti.fawe.object.changeset.AnvilHistory;
 import com.boydti.fawe.object.clipboard.remap.ClipboardRemapper;
-import com.boydti.fawe.object.mask.FaweBlockMatcher;
 import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.util.SetQueue;
-import com.boydti.fawe.util.StringMan;
+
+import static com.google.common.base.Preconditions.checkNotNull;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
-import com.sk89q.worldedit.*;
-import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.function.pattern.Pattern;
-import com.sk89q.worldedit.function.pattern.RandomPattern;
 import com.sk89q.worldedit.internal.annotation.Selection;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.CuboidRegion;
@@ -36,17 +39,12 @@ import com.sk89q.worldedit.world.biome.BiomeType;
 
 import java.io.IOException;
 import java.io.RandomAccessFile;
-import java.util.*;
 import java.util.function.Consumer;
 
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-@Command(aliases = {"/anvil"}, desc = "Manipulate billions of blocks: [More Info](https://github.com/boy0001/FastAsyncWorldedit/wiki/Anvil-API)")
+@Command(aliases = {"/anvil"},
+         desc = "Manipulate billions of blocks: [More Info](https://github.com/boy0001/FastAsyncWorldedit/wiki/Anvil-API)")
 public class AnvilCommands {
 
-    private final WorldEdit worldEdit;
-
     /**
      * Create a new instance.
      *
@@ -54,7 +52,6 @@ public class AnvilCommands {
      */
     public AnvilCommands(WorldEdit worldEdit) {
         checkNotNull(worldEdit);
-        this.worldEdit = worldEdit;
     }
 
     /**
@@ -170,19 +167,20 @@ public class AnvilCommands {
     )
     @CommandPermissions("worldedit.anvil.remapall")
     public void remapall(Player player, String folder) throws WorldEditException {
-        ClipboardRemapper mapper;
         ClipboardRemapper.RemapPlatform from;
         ClipboardRemapper.RemapPlatform to;
         from = ClipboardRemapper.RemapPlatform.PE;
         to = ClipboardRemapper.RemapPlatform.PC;
         RemapFilter filter = new RemapFilter(from, to);
         RemapFilter result = runWithWorld(player, folder, filter, true);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
 
     @Command(
-            aliases = {"deleteallunvisited", "delunvisited" },
+            aliases = {"deleteallunvisited", "delunvisited"},
             usage = "<folder> <age-ticks> [file-age=60000]",
             desc = "Delete all chunks which haven't been occupied",
             help = "Delete all chunks which haven't been occupied for `age-ticks` (20t = 1s) and \n" +
@@ -196,11 +194,13 @@ public class AnvilCommands {
     public void deleteAllUnvisited(Player player, String folder, int inhabitedTicks, @Optional("60000") int fileDurationMillis) throws WorldEditException {
         DeleteUninhabitedFilter filter = new DeleteUninhabitedFilter(fileDurationMillis, inhabitedTicks, fileDurationMillis);
         DeleteUninhabitedFilter result = runWithWorld(player, folder, filter, true);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
-            aliases = {"deleteallunclaimed", "delallunclaimed" },
+            aliases = {"deleteallunclaimed", "delallunclaimed"},
             usage = "<age-ticks> [file-age=60000]",
             desc = "(Supports: WG, P2, GP) Delete all chunks which haven't been occupied AND claimed",
             help = "(Supports: WG, P2, GP) Delete all chunks which aren't claimed AND haven't been occupied for `age-ticks` (20t = 1s) and \n" +
@@ -211,12 +211,17 @@ public class AnvilCommands {
             max = 3
     )
     @CommandPermissions("worldedit.anvil.deleteallunclaimed")
-    public void deleteAllUnclaimed(Player player, int inhabitedTicks, @Optional("60000") int fileDurationMillis, @Switch('d') boolean debug) throws WorldEditException {
+    public void deleteAllUnclaimed(Player player, int inhabitedTicks, @Optional("60000") int fileDurationMillis, @Switch(
+            'd') boolean debug) throws WorldEditException {
         String folder = player.getWorld().getName();
         DeleteUnclaimedFilter filter = new DeleteUnclaimedFilter(player.getWorld(), fileDurationMillis, inhabitedTicks, fileDurationMillis);
-        if (debug) filter.enableDebug();
+        if (debug) {
+            filter.enableDebug();
+        }
         DeleteUnclaimedFilter result = runWithWorld(player, folder, filter, true);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
@@ -231,15 +236,20 @@ public class AnvilCommands {
             max = 3
     )
     @CommandPermissions("worldedit.anvil.deleteunclaimed")
-    public void deleteUnclaimed(Player player, EditSession editSession, @Selection Region selection, int inhabitedTicks, @Optional("60000") int fileDurationMillis, @Switch('d') boolean debug) throws WorldEditException {
+    public void deleteUnclaimed(Player player, EditSession editSession, @Selection Region selection, int inhabitedTicks, @Optional(
+            "60000") int fileDurationMillis, @Switch('d') boolean debug) throws WorldEditException {
         DeleteUnclaimedFilter filter = new DeleteUnclaimedFilter(player.getWorld(), fileDurationMillis, inhabitedTicks, fileDurationMillis);
-        if (debug) filter.enableDebug();
+        if (debug) {
+            filter.enableDebug();
+        }
         DeleteUnclaimedFilter result = runWithSelection(player, editSession, selection, filter);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
-            aliases = {"deletealloldregions", "deloldreg" },
+            aliases = {"deletealloldregions", "deloldreg"},
             usage = "<folder> <time>",
             desc = "Delete regions which haven't been accessed in a certain amount of time",
             help = "Delete regions which haven't been accessed in a certain amount of time\n" +
@@ -254,11 +264,13 @@ public class AnvilCommands {
         long duration = MainUtil.timeToSec(time) * 1000L;
         DeleteOldFilter filter = new DeleteOldFilter(duration);
         DeleteOldFilter result = runWithWorld(player, folder, filter, true);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
-            aliases = {"trimallplots", },
+            aliases = {"trimallplots",},
             desc = "Trim chunks in a Plot World",
             help = "Trim chunks in a Plot World\n" +
                     "Unclaimed chunks will be deleted\n" +
@@ -274,40 +286,48 @@ public class AnvilCommands {
         FaweQueue defaultQueue = SetQueue.IMP.getNewQueue(folder, true, false);
         MCAQueue queue = new MCAQueue(defaultQueue);
         PlotTrimFilter result = queue.filterWorld(filter);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
-            aliases = {"deletebiomechunks", },
+            aliases = {"deletebiomechunks",},
             desc = "Delete chunks matching a specific biome"
     )
     @CommandPermissions("worldedit.anvil.trimallair")
     public void deleteBiome(Player player, String folder, BiomeType biome, @Switch('u') boolean unsafe) {
         DeleteBiomeFilterSimple filter = new DeleteBiomeFilterSimple(biome);
         DeleteBiomeFilterSimple result = runWithWorld(player, folder, filter, true, unsafe);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
-            aliases = {"trimallair", },
+            aliases = {"trimallair",},
             desc = "Trim all air in the world"
     )
     @CommandPermissions("worldedit.anvil.trimallair")
     public void trimAllAir(Player player, String folder, @Switch('u') boolean unsafe) throws WorldEditException {
         TrimAirFilter filter = new TrimAirFilter();
         TrimAirFilter result = runWithWorld(player, folder, filter, true, unsafe);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
-            aliases = {"debugfixroads", },
+            aliases = {"debugfixroads",},
             desc = "debug - do not use"
     )
     @CommandPermissions("worldedit.anvil.debugfixroads")
     public void debugfixroads(Player player, String folder) throws WorldEditException {
         DebugFixP2Roads filter = new DebugFixP2Roads();
         DebugFixP2Roads result = runWithWorld(player, folder, filter, true, true);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
@@ -319,7 +339,8 @@ public class AnvilCommands {
             max = 4
     )
     @CommandPermissions("worldedit.anvil.replaceall")
-    public void replaceAllPattern(Player player, String folder, @Optional String from, final Pattern to, @Switch('d') boolean useData, @Switch('m') boolean useMap) throws WorldEditException {
+    public void replaceAllPattern(Player player, String folder, @Optional String from, final Pattern to, @Switch('d') boolean useData, @Switch(
+            'm') boolean useMap) throws WorldEditException {
 //        MCAFilterCounter filter;
 //        if (useMap) {
 //            if (to instanceof RandomPattern) {
@@ -341,7 +362,8 @@ public class AnvilCommands {
 //        MCAFilterCounter result = runWithWorld(player, folder, filter, true);
 //        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
     }
-//
+
+    //
     @Command(
             aliases = {"countall"},
             usage = "<folder> [hasSky] <id>",
@@ -414,7 +436,9 @@ public class AnvilCommands {
             }
         };
         MCAFilterCounter result = runWithSelection(player, editSession, selection, filter);
-        if (result != null) player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        if (result != null) {
+            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
+        }
     }
 
     @Command(
@@ -441,7 +465,8 @@ public class AnvilCommands {
 //        MCAFilterCounter result = runWithSelection(player, editSession, selection, filter);
 //        if (result != null) player.print(BBC.SELECTION_COUNT.format(result.getTotal()));
     }
-//
+
+    //
     @Command(
             aliases = {"distr"},
             desc = "Replace all blocks in the selection with another"
@@ -518,14 +543,16 @@ public class AnvilCommands {
 //            }
 //        }
     }
-//
+
+    //
     @Command(
             aliases = {"replace", "r"},
             usage = "[from-block] <to-block>",
             desc = "Replace all blocks in the selection with another"
     )
     @CommandPermissions("worldedit.anvil.replace")
-    public void replace(Player player, EditSession editSession, @Selection Region selection, @Optional String from, String to, @Switch('d') boolean useData) throws WorldEditException {
+    public void replace(Player player, EditSession editSession, @Selection Region selection, @Optional String from, String to, @Switch(
+            'd') boolean useData) throws WorldEditException {
 //        final FaweBlockMatcher matchFrom;
 //        if (from == null) {
 //            matchFrom = FaweBlockMatcher.NOT_AIR;
@@ -539,7 +566,8 @@ public class AnvilCommands {
 //            player.print(BBC.VISITOR_BLOCK.format(result.getTotal()));
 //        }
     }
-//
+
+    //
     @Command(
             aliases = {"replacepattern", "preplace", "rp"},
             usage = "[from-mask] <to-pattern>",
@@ -547,7 +575,8 @@ public class AnvilCommands {
     )
     @CommandPermissions("worldedit.anvil.replace")
     // Player player, String folder, @Optional String from, final Pattern to, @Switch('d') boolean useData, @Switch('m') boolean useMap
-    public void replacePattern(Player player, EditSession editSession, @Selection Region selection, @Optional String from, final Pattern to, @Switch('d') boolean useData, @Switch('m') boolean useMap) throws WorldEditException {
+    public void replacePattern(Player player, EditSession editSession, @Selection Region selection, @Optional String from, final Pattern to, @Switch(
+            'd') boolean useData, @Switch('m') boolean useMap) throws WorldEditException {
 //        MCAFilterCounter filter;
 //        if (useMap) {
 //            if (to instanceof RandomPattern) {
@@ -638,7 +667,7 @@ public class AnvilCommands {
 
     )
     @CommandPermissions("worldedit.anvil.pastechunks")
-    public void paste(Player player, LocalSession session, EditSession editSession, @Switch('c') boolean alignChunk) throws WorldEditException, IOException {
+    public void paste(Player player, LocalSession session, EditSession editSession, @Switch('c') boolean alignChunk) throws WorldEditException {
 //        FawePlayer fp = FawePlayer.wrap(player);
 //        MCAClipboard clipboard = fp.getMeta(FawePlayer.METADATA_KEYS.ANVIL_CLIPBOARD);
 //        if (clipboard == null) {
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommand.java b/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommand.java
index 942971567..c7a58b220 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommand.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommand.java
@@ -4,6 +4,7 @@ import com.boydti.fawe.config.Commands;
 import com.boydti.fawe.jnbt.anvil.HeightMapMCAGenerator;
 import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.changeset.CFIChangeSet;
+
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandException;
@@ -13,6 +14,7 @@ import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.command.MethodCommands;
 import com.sk89q.worldedit.util.command.SimpleDispatcher;
 import com.sk89q.worldedit.util.command.parametric.ParametricBuilder;
+
 import java.io.IOException;
 
 public class CFICommand extends MethodCommands {
@@ -29,9 +31,6 @@ public class CFICommand extends MethodCommands {
 
     @Command(
             aliases = {"cfi", "createfromimage"},
-            usage = "",
-            min = 0,
-            max = -1,
             anyFlags = true,
             desc = "Start CreateFromImage"
     )
@@ -51,49 +50,41 @@ public class CFICommand extends MethodCommands {
 
     private void dispatch(FawePlayer fp, CFICommands.CFISettings settings, CommandContext context) throws CommandException {
         if (!settings.hasGenerator()) {
-            switch (context.argsLength()) {
-                case 0: {
-                    String hmCmd = child.alias() + " ";
-                    if (settings.image == null) {
-                        hmCmd += "image";
-                    } else {
-                        hmCmd = Commands.getAlias(CFICommands.class, "heightmap") + " " + settings.imageArg;
-                    }
-                    child.msg("What do you want to use as the base?").newline()
-                            .text("&7[&aHeightMap&7]").cmdTip(hmCmd).text(" - A heightmap like ").text("&7[&athis&7]").linkTip("http://i.imgur.com/qCd30MR.jpg")
-                            .newline()
-                            .text("&7[&aEmpty&7]").cmdTip(child.alias() + " empty").text("- An empty map of a specific size")
-                            .send(fp);
-                    break;
+            if (context.argsLength() == 0) {
+                String hmCmd = child.alias() + " ";
+                if (settings.image == null) {
+                    hmCmd += "image";
+                } else {
+                    hmCmd = Commands.getAlias(CFICommands.class, "heightmap") + " " + settings.imageArg;
                 }
-                default: {
-                    String remaining = context.getJoinedStrings(0);
-                    if (!dispatcher.contains(context.getString(0))) {
-                        switch (context.argsLength()) {
-                            case 1: {
-                                String cmd = Commands.getAlias(CFICommands.class, "heightmap") + " " + context.getJoinedStrings(0);
-                                dispatcher.call(cmd, context.getLocals(), new String[0]);
-                                return;
-                            }
-                            case 2: {
-                                String cmd = Commands.getAlias(CFICommands.class, "empty") + " " + context.getJoinedStrings(0);
-                                dispatcher.call(cmd, context.getLocals(), new String[0]);
-                                return;
-                            }
+                child.msg("What do you want to use as the base?").newline()
+                     .text("&7[&aHeightMap&7]").cmdTip(hmCmd).text(" - A heightmap like ").text("&7[&athis&7]").linkTip("http://i.imgur.com/qCd30MR.jpg")
+                     .newline()
+                     .text("&7[&aEmpty&7]").cmdTip(child.alias() + " empty").text("- An empty map of a specific size")
+                     .send(fp);
+            } else {
+                String remaining = context.getJoinedStrings(0);
+                if (!dispatcher.contains(context.getString(0))) {
+                    switch (context.argsLength()) {
+                        case 1: {
+                            String cmd = Commands.getAlias(CFICommands.class, "heightmap") + " " + context.getJoinedStrings(0);
+                            dispatcher.call(cmd, context.getLocals(), new String[0]);
+                            return;
                         }
+                        case 2:
+                            String cmd = Commands.getAlias(CFICommands.class, "empty") + " " + context.getJoinedStrings(0);
+                            dispatcher.call(cmd, context.getLocals(), new String[0]);
+                            return;
                     }
-                    dispatcher.call(remaining, context.getLocals(), new String[0]);
                 }
+                dispatcher.call(remaining, context.getLocals(), new String[0]);
             }
         } else {
-            switch (context.argsLength()) {
-                case 0:
-                    settings.setCategory("");
-                    child.mainMenu(fp);
-                    break;
-                default:
-                    dispatcher.call(context.getJoinedStrings(0), context.getLocals(), new String[0]);
-                    break;
+            if (context.argsLength() == 0) {
+                settings.setCategory("");
+                child.mainMenu(fp);
+            } else {
+                dispatcher.call(context.getJoinedStrings(0), context.getLocals(), new String[0]);
             }
         }
     }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommands.java b/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommands.java
index ae3a4a327..19e82a1f4 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommands.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/command/CFICommands.java
@@ -20,6 +20,8 @@ import com.boydti.fawe.util.TaskManager;
 import com.boydti.fawe.util.TextureUtil;
 import com.boydti.fawe.util.chat.Message;
 import com.boydti.fawe.util.image.ImageUtil;
+
+import static com.boydti.fawe.util.image.ImageUtil.load;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandException;
@@ -70,8 +72,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.function.Function;
-
-import static com.boydti.fawe.util.image.ImageUtil.load;
+import java.util.stream.IntStream;
 
 @Command(aliases = {"/cfi"}, desc = "Create a world from images: [More Info](https://git.io/v5iDy)")
 public class CFICommands extends MethodCommands {
@@ -85,7 +86,7 @@ public class CFICommands extends MethodCommands {
      */
     public CFICommands(WorldEdit worldEdit, Dispatcher dispatcher) {
         super(worldEdit);
-        this.dispathcer= dispatcher;
+        this.dispathcer = dispatcher;
     }
 
     public static File getFolder(String worldName) {
@@ -104,10 +105,7 @@ public class CFICommands extends MethodCommands {
     public void heightmap(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional("1") double yscale) throws ParameterException {
         if (yscale != 0) {
             int[] raw = ((DataBufferInt) image.load().getRaster().getDataBuffer()).getData();
-            int[] table = new int[256];
-            for (int i = 0; i < table.length; i++) {
-                table[i] = Math.min(255, (int) (i * yscale));
-            }
+            int[] table = IntStream.range(0, 256).map(i -> Math.min(255, (int) (i * yscale))).toArray();
             for (int i = 0; i < raw.length; i++) {
                 int color = raw[i];
                 int red = table[(color >> 16) & 0xFF];
@@ -152,15 +150,15 @@ public class CFICommands extends MethodCommands {
             desc = "Info about using brushes with CFI"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void brush(FawePlayer fp) throws ParameterException{
+    public void brush(FawePlayer fp) throws ParameterException {
         CFISettings settings = assertSettings(fp);
         settings.popMessages(fp);
         Message msg;
         if (settings.getGenerator().getImageViewer() != null) {
             msg = msg("CFI supports using brushes during creation").newline()
-                    .text(" - Place the map on a wall of item frames").newline()
-                    .text(" - Use any WorldEdit brush on the item frames").newline()
-                    .text(" - Example: ").text("Video").linkTip("https://goo.gl/PK4DMG").newline();
+                                                                   .text(" - Place the map on a wall of item frames").newline()
+                                                                   .text(" - Use any WorldEdit brush on the item frames").newline()
+                                                                   .text(" - Example: ").text("Video").linkTip("https://goo.gl/PK4DMG").newline();
         } else {
             msg = msg("This is not supported with your platform/version").newline();
         }
@@ -173,14 +171,13 @@ public class CFICommands extends MethodCommands {
             desc = "Cancel creation"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void cancel(FawePlayer fp) throws ParameterException, IOException {
+    public void cancel(FawePlayer fp) {
         getSettings(fp).remove();
         fp.sendMessage("Cancelled!");
     }
 
     @Command(
             aliases = {"done", "create"},
-            usage = "",
             desc = "Create the world"
     )
     @CommandPermissions("worldedit.anvil.cfi")
@@ -188,27 +185,24 @@ public class CFICommands extends MethodCommands {
         CFISettings settings = assertSettings(fp);
         HeightMapMCAGenerator generator = settings.getGenerator();
 
-        Function<File, Boolean> function = new Function<File, Boolean>() {
-            @Override
-            public Boolean apply(File folder) {
-                if (folder != null) {
-                    try {
-                        generator.setFolder(folder);
-                        fp.sendMessage("Generating " + folder);
-                        generator.generate();
-                        generator.setPacketViewer(null);
-                        generator.setImageViewer(null);
-                        settings.remove();
-                        fp.sendMessage("Done!");
-                        return true;
-                    } catch (IOException e) {
-                        throw new RuntimeException(e);
-                    }
-                } else {
-                    fp.sendMessage("Unable to generate world... (see console)?");
+        Function<File, Boolean> function = folder -> {
+            if (folder != null) {
+                try {
+                    generator.setFolder(folder);
+                    fp.sendMessage("Generating " + folder);
+                    generator.generate();
+                    generator.setPacketViewer(null);
+                    generator.setImageViewer(null);
+                    settings.remove();
+                    fp.sendMessage("Done!");
+                    return true;
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
                 }
-                return false;
+            } else {
+                fp.sendMessage("Unable to generate world... (see console)?");
             }
+            return false;
         };
 
         try {
@@ -243,11 +237,16 @@ public class CFICommands extends MethodCommands {
             desc = "Set the floor and main block"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void column(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void column(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
-        if (image != null) gen.setColumn(load(image), pattern, !disableWhiteOnly);
-        else if (mask != null) gen.setColumn(mask, pattern);
-        else gen.setColumn(pattern);
+        if (image != null) {
+            gen.setColumn(load(image), pattern, !disableWhiteOnly);
+        } else if (mask != null) {
+            gen.setColumn(mask, pattern);
+        } else {
+            gen.setColumn(pattern);
+        }
         fp.sendMessage("Set column!");
         assertSettings(fp).resetComponent();
         component(fp);
@@ -259,18 +258,24 @@ public class CFICommands extends MethodCommands {
             desc = "Set the floor (default: grass)"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void floorCmd(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void floorCmd(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         floor(fp, pattern, image, mask, disableWhiteOnly);
         fp.sendMessage("Set floor!");
         assertSettings(fp).resetComponent();
         component(fp);
     }
 
-    private void floor(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException {
+    private void floor(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
-        if (image != null) gen.setFloor(load(image), pattern, !disableWhiteOnly);
-        else if (mask != null) gen.setFloor(mask, pattern);
-        else gen.setFloor(pattern);
+        if (image != null) {
+            gen.setFloor(load(image), pattern, !disableWhiteOnly);
+        } else if (mask != null) {
+            gen.setFloor(mask, pattern);
+        } else {
+            gen.setFloor(pattern);
+        }
     }
 
     @Command(
@@ -279,18 +284,24 @@ public class CFICommands extends MethodCommands {
             desc = "Set the main block (default: stone)"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void mainCmd(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void mainCmd(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         main(fp, pattern, image, mask, disableWhiteOnly);
         fp.sendMessage("Set main!");
         assertSettings(fp).resetComponent();
         component(fp);
     }
 
-    public void main(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void main(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
-        if (image != null) gen.setMain(load(image), pattern, !disableWhiteOnly);
-        else if (mask != null) gen.setMain(mask, pattern);
-        else gen.setMain(pattern);
+        if (image != null) {
+            gen.setMain(load(image), pattern, !disableWhiteOnly);
+        } else if (mask != null) {
+            gen.setMain(mask, pattern);
+        } else {
+            gen.setMain(pattern);
+        }
     }
 
     @Command(
@@ -301,11 +312,16 @@ public class CFICommands extends MethodCommands {
                     "e.g. Tallgrass"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void overlay(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void overlay(FawePlayer fp, Pattern pattern, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
-        if (image != null) gen.setOverlay(load(image), pattern, !disableWhiteOnly);
-        else if (mask != null) gen.setOverlay(mask, pattern);
-        else gen.setOverlay(pattern);
+        if (image != null) {
+            gen.setOverlay(load(image), pattern, !disableWhiteOnly);
+        } else if (mask != null) {
+            gen.setOverlay(mask, pattern);
+        } else {
+            gen.setOverlay(pattern);
+        }
         fp.sendMessage("Set overlay!");
         component(fp);
     }
@@ -320,16 +336,21 @@ public class CFICommands extends MethodCommands {
                     " - A good value for radius and iterations would be 1 8."
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void smoothCmd(FawePlayer fp, int radius, int iterations, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void smoothCmd(FawePlayer fp, int radius, int iterations, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         smooth(fp, radius, iterations, image, mask, disableWhiteOnly);
         assertSettings(fp).resetComponent();
         component(fp);
     }
 
-    private void smooth(FawePlayer fp, int radius, int iterations, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    private void smooth(FawePlayer fp, int radius, int iterations, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
-        if (image != null) gen.smooth(load(image), !disableWhiteOnly, radius, iterations);
-        else gen.smooth(mask, radius, iterations);
+        if (image != null) {
+            gen.smooth(load(image), !disableWhiteOnly, radius, iterations);
+        } else {
+            gen.smooth(mask, radius, iterations);
+        }
     }
 
     @Command(
@@ -338,7 +359,7 @@ public class CFICommands extends MethodCommands {
             desc = "Create some snow"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void snow(FawePlayer fp, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void snow(FawePlayer fp, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
         floor(fp, BlockTypes.SNOW.getDefaultState().with(PropertyKey.LAYERS, 7), image, mask, disableWhiteOnly);
         main(fp, BlockTypes.SNOW_BLOCK, image, mask, disableWhiteOnly);
@@ -358,7 +379,7 @@ public class CFICommands extends MethodCommands {
                     "Below 50 will prefer to color with blocks"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void biomepriority(FawePlayer fp, int value) throws ParameterException{
+    public void biomepriority(FawePlayer fp, int value) throws ParameterException {
         assertSettings(fp).getGenerator().setBiomePriority(value);
         coloring(fp);
     }
@@ -375,16 +396,16 @@ public class CFICommands extends MethodCommands {
     public void paletteblocks(FawePlayer fp, Player player, LocalSession session, @Optional String arg) throws ParameterException, EmptyClipboardException, InputParseException, FileNotFoundException {
         if (arg == null) {
             msg("What blocks do you want to color with?").newline()
-            .text("&7[&aAll&7]").cmdTip(alias() + " PaletteBlocks *").text(" - All available blocks")
-            .newline()
-            .text("&7[&aClipboard&7]").cmdTip(alias() + " PaletteBlocks #clipboard").text(" - The blocks in your clipboard")
-            .newline()
-            .text("&7[&aList&7]").suggestTip(alias() + " PaletteBlocks stone,gravel").text(" - A comma separated list of blocks")
-            .newline()
-            .text("&7[&aComplexity&7]").cmdTip(alias() + " Complexity").text(" - Block textures within a complexity range")
-            .newline()
-            .text("&8< &7[&aBack&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "coloring"))
-            .send(fp);
+                                                         .text("&7[&aAll&7]").cmdTip(alias() + " PaletteBlocks *").text(" - All available blocks")
+                                                         .newline()
+                                                         .text("&7[&aClipboard&7]").cmdTip(alias() + " PaletteBlocks #clipboard").text(" - The blocks in your clipboard")
+                                                         .newline()
+                                                         .text("&7[&aList&7]").suggestTip(alias() + " PaletteBlocks stone,gravel").text(" - A comma separated list of blocks")
+                                                         .newline()
+                                                         .text("&7[&aComplexity&7]").cmdTip(alias() + " Complexity").text(" - Block textures within a complexity range")
+                                                         .newline()
+                                                         .text("&8< &7[&aBack&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "coloring"))
+                                                         .send(fp);
             return;
         }
         HeightMapMCAGenerator generator = assertSettings(fp).getGenerator();
@@ -411,7 +432,9 @@ public class CFICommands extends MethodCommands {
                 }
                 blocks = new HashSet<>();
                 for (int combined = 0; combined < ids.length; combined++) {
-                    if (ids[combined]) blocks.add(BlockTypes.get(combined));
+                    if (ids[combined]) {
+                        blocks.add(BlockTypes.get(combined));
+                    }
                 }
                 break;
             }
@@ -466,8 +489,11 @@ public class CFICommands extends MethodCommands {
     @CommandPermissions("worldedit.anvil.cfi")
     public void complexity(FawePlayer fp, int min, int max) throws ParameterException, FileNotFoundException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
-        if (min == 0 && max == 100) gen.setTextureUtil(Fawe.get().getTextureUtil());
-        else gen.setTextureUtil(new CleanTextureUtil(Fawe.get().getTextureUtil(), min, max));
+        if (min == 0 && max == 100) {
+            gen.setTextureUtil(Fawe.get().getTextureUtil());
+        } else {
+            gen.setTextureUtil(new CleanTextureUtil(Fawe.get().getTextureUtil(), min, max));
+        }
         coloring(fp);
     }
 
@@ -508,11 +534,16 @@ public class CFICommands extends MethodCommands {
                     " - If a mask is used, the biome will be set anywhere the mask applies"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void biome(FawePlayer fp, BiomeType biome, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException{
+    public void biome(FawePlayer fp, BiomeType biome, @Optional FawePrimitiveBinding.ImageUri image, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException {
         HeightMapMCAGenerator gen = assertSettings(fp).getGenerator();
-        if (image != null) gen.setBiome(load(image), biome, !disableWhiteOnly);
-        else if (mask != null) gen.setBiome(mask, biome);
-        else gen.setBiome(biome);
+        if (image != null) {
+            gen.setBiome(load(image), biome, !disableWhiteOnly);
+        } else if (mask != null) {
+            gen.setBiome(mask, biome);
+        } else {
+            gen.setBiome(biome);
+        }
         msg("Set biome!").send(fp);
         assertSettings(fp).resetComponent();
         component(fp);
@@ -675,7 +706,8 @@ public class CFICommands extends MethodCommands {
     )
     // ![79,174,212,5:3,5:4,18,161,20]
     @CommandPermissions("worldedit.anvil.cfi")
-    public void glass(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
+    public void glass(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
         CFISettings settings = assertSettings(fp);
         settings.getGenerator().setColorWithGlass(load(image));
         msg("Set color with glass!").send(fp);
@@ -692,12 +724,17 @@ public class CFICommands extends MethodCommands {
                     "The -w (disableWhiteOnly) will randomly apply depending on the pixel luminance"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void color(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
+    public void color(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
         CFISettings settings = assertSettings(fp);
         HeightMapMCAGenerator gen = settings.getGenerator();
-        if (imageMask != null) gen.setColor(load(image), load(imageMask), !disableWhiteOnly);
-        else if (mask != null) gen.setColor(load(image), mask);
-        else gen.setColor(load(image));
+        if (imageMask != null) {
+            gen.setColor(load(image), load(imageMask), !disableWhiteOnly);
+        } else if (mask != null) {
+            gen.setColor(load(image), mask);
+        } else {
+            gen.setColor(load(image));
+        }
         settings.resetColoring();
         msg("Set color with blocks!").send(fp);
         mainMenu(fp);
@@ -709,10 +746,11 @@ public class CFICommands extends MethodCommands {
             desc = "Set the color with blocks and biomes",
             help = "Color the terrain using blocks and biomes.\n" +
                     "Provide an image, or worldedit mask to restrict what areas are colored\n" +
-            "The -w (disableWhiteOnly) will randomly apply depending on the pixel luminance"
+                    "The -w (disableWhiteOnly) will randomly apply depending on the pixel luminance"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void blockbiome(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
+    public void blockbiome(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
         CFISettings settings = assertSettings(fp);
         settings.getGenerator().setBlockAndBiomeColor(load(image), mask, load(imageMask), !disableWhiteOnly);
         msg("Set color with blocks and biomes!").send(fp);
@@ -728,7 +766,8 @@ public class CFICommands extends MethodCommands {
                     " - If you changed the block to something other than grass you will not see anything."
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void biomecolor(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
+    public void biomecolor(FawePlayer fp, FawePrimitiveBinding.ImageUri image, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch(
+            'w') boolean disableWhiteOnly) throws ParameterException, WorldEditException {
         CFISettings settings = assertSettings(fp);
         settings.getGenerator().setBiomeColor(load(image));
         msg("Set color with biomes!").send(fp);
@@ -743,7 +782,7 @@ public class CFICommands extends MethodCommands {
             desc = "Color the world using an image"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void coloring(FawePlayer fp) throws ParameterException{
+    public void coloring(FawePlayer fp) throws ParameterException {
         CFISettings settings = assertSettings(fp);
         settings.popMessages(fp);
         settings.setCategory("coloring");
@@ -775,7 +814,9 @@ public class CFICommands extends MethodCommands {
         for (int typeId : blockArray) {
             BlockType type = BlockTypes.get(typeId);
             String name = type.getName();
-            if (name.contains(":")) name = name.split(":")[1];
+            if (name.contains(":")) {
+                name = name.split(":")[1];
+            }
             materials.add(name);
         }
         String blockList = materials.size() > 100 ? materials.size() + " blocks" : StringMan.join(materials, ',');
@@ -783,33 +824,39 @@ public class CFICommands extends MethodCommands {
         int biomePriority = gen.getBiomePriority();
 
         Message msg = msg("&8>>&7 Current Settings &8<<&7").newline()
-        .text("&7Randomization ").text("&7[&a" + (Boolean.toString(rand).toUpperCase()) + "&7]").cmdTip(alias() + " randomization " + (!rand))
-        .newline()
-        .text("&7Mask ").text("&7[&a" + mask + "&7]").cmdTip(alias() + " mask")
-        .newline()
-        .text("&7Blocks ").text("&7[&a" + blocks + "&7]").tooltip(blockList).command(alias() + " paletteBlocks")
-        .newline()
-        .text("&7BiomePriority ").text("&7[&a" + biomePriority + "&7]").cmdTip(alias() + " biomepriority")
-        .newline();
+                                                           .text("&7Randomization ").text("&7[&a" + (Boolean.toString(rand).toUpperCase()) + "&7]").cmdTip(alias() + " randomization " + (!rand))
+                                                           .newline()
+                                                           .text("&7Mask ").text("&7[&a" + mask + "&7]").cmdTip(alias() + " mask")
+                                                           .newline()
+                                                           .text("&7Blocks ").text("&7[&a" + blocks + "&7]").tooltip(blockList).command(alias() + " paletteBlocks")
+                                                           .newline()
+                                                           .text("&7BiomePriority ").text("&7[&a" + biomePriority + "&7]").cmdTip(alias() + " biomepriority")
+                                                           .newline();
 
         if (settings.image != null) {
             StringBuilder colorArgs = new StringBuilder();
             colorArgs.append(" " + settings.imageArg);
-            if (settings.imageMask != null) colorArgs.append(" " + settings.imageMaskArg);
-            if (settings.mask != null) colorArgs.append(" " + settings.maskArg);
-            if (!settings.whiteOnly) colorArgs.append(" -w");
+            if (settings.imageMask != null) {
+                colorArgs.append(" " + settings.imageMaskArg);
+            }
+            if (settings.mask != null) {
+                colorArgs.append(" " + settings.maskArg);
+            }
+            if (!settings.whiteOnly) {
+                colorArgs.append(" -w");
+            }
 
             msg.text("&7Image: ")
-            .text("&7[&a" + settings.imageArg + "&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "image"))
-            .newline().newline()
-            .text("&cLet's Color&7: ")
-            .cmdOptions(alias() + " ", colorArgs.toString(), "Biomes", "Blocks", "BlockAndBiome", "Glass")
-            .newline();
+               .text("&7[&a" + settings.imageArg + "&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "image"))
+               .newline().newline()
+               .text("&cLet's Color&7: ")
+               .cmdOptions(alias() + " ", colorArgs.toString(), "Biomes", "Blocks", "BlockAndBiome", "Glass")
+               .newline();
         } else {
             msg.newline().text("You can color a world using an image like ")
-            .text("&7[&aThis&7]").linkTip("http://i.imgur.com/vJYinIU.jpg").newline()
-            .text("&cYou MUST provide an image: ")
-            .text("&7[&aNone&7]").cmdTip(alias() + " " + Commands.getAlias(Command.class, "image")).newline();
+               .text("&7[&aThis&7]").linkTip("http://i.imgur.com/vJYinIU.jpg").newline()
+               .text("&cYou MUST provide an image: ")
+               .text("&7[&aNone&7]").cmdTip(alias() + " " + Commands.getAlias(Command.class, "image")).newline();
         }
         msg.text("&8< &7[&aBack&7]").cmdTip(alias()).send(fp);
     }
@@ -820,7 +867,7 @@ public class CFICommands extends MethodCommands {
             desc = "Select a mask"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void mask(FawePlayer fp, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly, CommandContext context) throws ParameterException{
+    public void mask(FawePlayer fp, @Optional FawePrimitiveBinding.ImageUri imageMask, @Optional Mask mask, @Switch('w') boolean disableWhiteOnly, CommandContext context) throws ParameterException {
         CFISettings settings = assertSettings(fp);
         String[] split = getArguments(context).split(" ");
         int index = 2;
@@ -833,11 +880,11 @@ public class CFICommands extends MethodCommands {
         StringBuilder cmd = new StringBuilder(alias() + " mask ");
 
         msg("&8>>&7 Current Settings &8<<&7").newline()
-                .text("&7Image Mask ").text("&7[&a" + settings.imageMaskArg + "&7]").suggestTip(cmd + "http://")
-                .newline()
-                .text("&7WorldEdit Mask ").text("&7[&a" + settings.maskArg + "&7]").suggestTip(cmd + "<mask>")
-                .newline()
-                .text("&8< &7[&aBack&7]").cmdTip(alias() + " " + settings.getCategory()).send(fp);
+                                             .text("&7Image Mask ").text("&7[&a" + settings.imageMaskArg + "&7]").suggestTip(cmd + "http://")
+                                             .newline()
+                                             .text("&7WorldEdit Mask ").text("&7[&a" + settings.maskArg + "&7]").suggestTip(cmd + "<mask>")
+                                             .newline()
+                                             .text("&8< &7[&aBack&7]").cmdTip(alias() + " " + settings.getCategory()).send(fp);
     }
 
     @Command(
@@ -859,9 +906,9 @@ public class CFICommands extends MethodCommands {
             dispathcer.call(settings.getCategory(), context.getLocals(), new String[0]);
         } else {
             msg("&8>>&7 Current Settings &8<<&7").newline()
-                    .text("&7Pattern ").text("&7[&aClick Here&7]").suggestTip(cmd + " stone")
-                    .newline()
-                    .text("&8< &7[&aBack&7]").cmdTip(alias() + " " + settings.getCategory()).send(fp);
+                                                 .text("&7Pattern ").text("&7[&aClick Here&7]").suggestTip(cmd + " stone")
+                                                 .newline()
+                                                 .text("&8< &7[&aBack&7]").cmdTip(alias() + " " + settings.getCategory()).send(fp);
         }
     }
 
@@ -874,7 +921,7 @@ public class CFICommands extends MethodCommands {
         CFISettings settings = assertSettings(fp);
         BufferedImage image = settings.getGenerator().draw();
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        ImageIO.write(image, "jpg", baos );
+        ImageIO.write(image, "jpg", baos);
         byte[] data = baos.toByteArray();
         fp.sendMessage("Please wait...");
         URL url = ImgurUtility.uploadImage(data);
@@ -899,10 +946,10 @@ public class CFICommands extends MethodCommands {
         StringBuilder cmd = new StringBuilder(alias() + " image ");
         if (image == null) {
             msg("Please provide an image:").newline()
-            .text("From a URL: ").text("&7[&aClick Here&7]").suggestTip(cmd + "http://")
-            .newline()
-            .text("From a file: ").text("&7[&aClick Here&7]").suggestTip(cmd + "file://")
-            .send(fp);
+                                           .text("From a URL: ").text("&7[&aClick Here&7]").suggestTip(cmd + "http://")
+                                           .newline()
+                                           .text("From a file: ").text("&7[&aClick Here&7]").suggestTip(cmd + "file://")
+                                           .send(fp);
         } else {
             if (settings.hasGenerator()) {
                 coloring(fp);
@@ -921,15 +968,15 @@ public class CFICommands extends MethodCommands {
             desc = ""
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void populate(FawePlayer fp) throws ParameterException{
+    public void populate(FawePlayer fp) throws ParameterException {
         CFISettings settings = assertSettings(fp);
         settings.popMessages(fp);
         settings.setCategory("populate");
         msg("What would you like to populate?").newline()
-        .text("(You will need to type these commands)").newline()
-        .cmdOptions(alias() + " ", "", "Ores", "Ore", "Caves", "Schematics", "Smooth")
-        .newline().text("&8< &7[&aBack&7]").cmdTip(alias())
-        .send(fp);
+                                               .text("(You will need to type these commands)").newline()
+                                               .cmdOptions(alias() + " ", "", "Ores", "Ore", "Caves", "Schematics", "Smooth")
+                                               .newline().text("&8< &7[&aBack&7]").cmdTip(alias())
+                                               .send(fp);
     }
 
     @Command(
@@ -938,7 +985,7 @@ public class CFICommands extends MethodCommands {
             desc = "Components menu"
     )
     @CommandPermissions("worldedit.anvil.cfi")
-    public void component(FawePlayer fp) throws ParameterException{
+    public void component(FawePlayer fp) throws ParameterException {
         CFISettings settings = assertSettings(fp);
         settings.popMessages(fp);
         settings.setCategory("component");
@@ -955,65 +1002,72 @@ public class CFICommands extends MethodCommands {
         String pattern = settings.pattern == null ? "NONE" : settings.patternArg;
 
         StringBuilder maskArgs = new StringBuilder();
-        if (settings.imageMask != null) maskArgs.append(" " + settings.imageMaskArg);
-        if (settings.mask != null) maskArgs.append(" " + settings.maskArg);
-        if (!settings.whiteOnly) maskArgs.append(" -w");
+        if (settings.imageMask != null) {
+            maskArgs.append(" " + settings.imageMaskArg);
+        }
+        if (settings.mask != null) {
+            maskArgs.append(" " + settings.maskArg);
+        }
+        if (!settings.whiteOnly) {
+            maskArgs.append(" -w");
+        }
 
         String height = Commands.getAlias(CFICommands.class, "height");
         String waterHeight = Commands.getAlias(CFICommands.class, "waterheight");
         String snow = Commands.getAlias(CFICommands.class, "snow");
 
         Message msg = msg("&8>>&7 Current Settings &8<<&7").newline()
-        .text("&7Mask ").text("&7[&a" + mask + "&7]").cmdTip(alias() + " mask")
-        .newline()
-        .text("&7Pattern ").text("&7[&a" + pattern + "&7]").cmdTip(alias() + " pattern")
-        .newline()
-        .newline()
-        .text("&8>>&7 Components &8<<&7")
-        .newline()
-        .text("&7[&aHeight&7]").suggestTip(alias() + " " + alias("height") + " 120").text(" - Terrain height for whole map")
-        .newline()
-        .text("&7[&aWaterHeight&7]").suggestTip(alias() + " " + alias("waterheight") + " 60").text(" - Sea level for whole map")
-        .newline()
-        .text("&7[&aFloorThickness&7]").suggestTip(alias() + " " + alias("floorthickness") + " 60").text(" - Floor thickness of entire map")
-        .newline()
-        .text("&7[&aWorldThickness&7]").suggestTip(alias() + " " + alias("worldthickness") + " 60").text(" - World thickness of entire map")
-        .newline()
-        .text("&7[&aSnow&7]").suggestTip(alias() + " " + alias("snow") + maskArgs).text(" - Set snow in the masked areas")
-        .newline();
+                                                           .text("&7Mask ").text("&7[&a" + mask + "&7]").cmdTip(alias() + " mask")
+                                                           .newline()
+                                                           .text("&7Pattern ").text("&7[&a" + pattern + "&7]").cmdTip(alias() + " pattern")
+                                                           .newline()
+                                                           .newline()
+                                                           .text("&8>>&7 Components &8<<&7")
+                                                           .newline()
+                                                           .text("&7[&aHeight&7]").suggestTip(alias() + " " + alias("height") + " 120").text(" - Terrain height for whole map")
+                                                           .newline()
+                                                           .text("&7[&aWaterHeight&7]").suggestTip(alias() + " " + alias("waterheight") + " 60").text(" - Sea level for whole map")
+                                                           .newline()
+                                                           .text("&7[&aFloorThickness&7]").suggestTip(alias() + " " + alias("floorthickness") + " 60").text(" - Floor thickness of entire map")
+                                                           .newline()
+                                                           .text("&7[&aWorldThickness&7]").suggestTip(alias() + " " + alias("worldthickness") + " 60").text(" - World thickness of entire map")
+                                                           .newline()
+                                                           .text("&7[&aSnow&7]").suggestTip(alias() + " " + alias("snow") + maskArgs).text(" - Set snow in the masked areas")
+                                                           .newline();
 
         if (pattern != null) {
             String disabled = "You must specify a pattern";
             msg
-            .text("&7[&cWaterId&7]").tooltip(disabled).newline()
-            .text("&7[&cBedrockId&7]").tooltip(disabled).newline()
-            .text("&7[&cFloor&7]").tooltip(disabled).newline()
-            .text("&7[&cMain&7]").tooltip(disabled).newline()
-            .text("&7[&cColumn&7]").tooltip(disabled).newline()
-            .text("&7[&cOverlay&7]").tooltip(disabled).newline();
+                    .text("&7[&cWaterId&7]").tooltip(disabled).newline()
+                    .text("&7[&cBedrockId&7]").tooltip(disabled).newline()
+                    .text("&7[&cFloor&7]").tooltip(disabled).newline()
+                    .text("&7[&cMain&7]").tooltip(disabled).newline()
+                    .text("&7[&cColumn&7]").tooltip(disabled).newline()
+                    .text("&7[&cOverlay&7]").tooltip(disabled).newline();
         } else {
             StringBuilder compArgs = new StringBuilder();
             compArgs.append(" " + settings.patternArg + maskArgs);
 
             msg
-            .text("&7[&aWaterId&7]").cmdTip(alias() + " waterId " + pattern).text(" - Water id for whole map").newline()
-            .text("&7[&aBedrockId&7]").cmdTip(alias() + " baseId " + pattern).text(" - Bedrock id for whole map").newline()
-            .text("&7[&aFloor&7]").cmdTip(alias() + " floor" + compArgs).text(" - Set the floor in the masked areas").newline()
-            .text("&7[&aMain&7]").cmdTip(alias() + " main" + compArgs).text(" - Set the main block in the masked areas").newline()
-            .text("&7[&aColumn&7]").cmdTip(alias() + " column" + compArgs).text(" - Set the columns in the masked areas").newline()
-            .text("&7[&aOverlay&7]").cmdTip(alias() + " overlay" + compArgs).text(" - Set the overlay in the masked areas").newline();
+                    .text("&7[&aWaterId&7]").cmdTip(alias() + " waterId " + pattern).text(" - Water id for whole map").newline()
+                    .text("&7[&aBedrockId&7]").cmdTip(alias() + " baseId " + pattern).text(" - Bedrock id for whole map").newline()
+                    .text("&7[&aFloor&7]").cmdTip(alias() + " floor" + compArgs).text(" - Set the floor in the masked areas").newline()
+                    .text("&7[&aMain&7]").cmdTip(alias() + " main" + compArgs).text(" - Set the main block in the masked areas").newline()
+                    .text("&7[&aColumn&7]").cmdTip(alias() + " column" + compArgs).text(" - Set the columns in the masked areas").newline()
+                    .text("&7[&aOverlay&7]").cmdTip(alias() + " overlay" + compArgs).text(" - Set the overlay in the masked areas").newline();
         }
 
         msg.newline()
-        .text("&8< &7[&aBack&7]").cmdTip(alias())
-        .send(fp);
+           .text("&8< &7[&aBack&7]").cmdTip(alias())
+           .send(fp);
     }
 
 
-
     private CFISettings assertSettings(FawePlayer fp) throws ParameterException {
         CFISettings settings = getSettings(fp);
-        if (!settings.hasGenerator()) throw new ParameterException("Please use /" + alias());
+        if (!settings.hasGenerator()) {
+            throw new ParameterException("Please use /" + alias());
+        }
         return settings;
     }
 
@@ -1100,12 +1154,16 @@ public class CFICommands extends MethodCommands {
 
         public CFISettings setGenerator(HeightMapMCAGenerator generator) {
             this.generator = generator;
-            if (bound) fp.getSession().setVirtualWorld(generator);
+            if (bound) {
+                fp.getSession().setVirtualWorld(generator);
+            }
             return this;
         }
 
         public CFISettings bind() {
-            if (generator != null) fp.getSession().setVirtualWorld(generator);
+            if (generator != null) {
+                fp.getSession().setVirtualWorld(generator);
+            }
             bound = true;
             fp.setMeta("CFISettings", this);
             return this;
@@ -1149,17 +1207,17 @@ public class CFICommands extends MethodCommands {
     }
 
     protected Message msg(String text) {
-    return new Message().newline()
-                .text(BBC.getPrefix())
-                .text(text);
+        return new Message().newline()
+                            .text(BBC.getPrefix())
+                            .text(text);
     }
 
     protected void mainMenu(FawePlayer fp) {
         msg("What do you want to do now?").newline()
-                .cmdOptions(alias() + " ", "", "Coloring", "Component", "Populate", "Brush")
-                .newline().text("&3<> &7[&aView&7]").command(alias() + " " + Commands.getAlias(CFICommands.class, "download")).tooltip("View full resolution image")
-                .newline().text("&4>< &7[&aCancel&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "cancel"))
-                .newline().text("&2>> &7[&aDone&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "done"))
-                .send(fp);
+                                          .cmdOptions(alias() + " ", "", "Coloring", "Component", "Populate", "Brush")
+                                          .newline().text("&3<> &7[&aView&7]").command(alias() + " " + Commands.getAlias(CFICommands.class, "download")).tooltip("View full resolution image")
+                                          .newline().text("&4>< &7[&aCancel&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "cancel"))
+                                          .newline().text("&2>> &7[&aDone&7]").cmdTip(alias() + " " + Commands.getAlias(CFICommands.class, "done"))
+                                          .send(fp);
     }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/command/FawePrimitiveBinding.java b/worldedit-core/src/main/java/com/boydti/fawe/command/FawePrimitiveBinding.java
index 0a2c76534..c3800dfa5 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/command/FawePrimitiveBinding.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/command/FawePrimitiveBinding.java
@@ -4,9 +4,9 @@ import com.boydti.fawe.Fawe;
 import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.extent.NullExtent;
 import com.boydti.fawe.object.extent.ResettableExtent;
-import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.util.TextureUtil;
 import com.boydti.fawe.util.image.ImageUtil;
+
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.WorldEdit;
@@ -30,23 +30,20 @@ import com.sk89q.worldedit.util.command.binding.Text;
 import com.sk89q.worldedit.util.command.binding.Validate;
 import com.sk89q.worldedit.util.command.parametric.ArgumentStack;
 import com.sk89q.worldedit.util.command.parametric.BindingBehavior;
-import com.sk89q.worldedit.util.command.parametric.BindingHelper;
 import com.sk89q.worldedit.util.command.parametric.BindingMatch;
 import com.sk89q.worldedit.util.command.parametric.ParameterException;
 import com.sk89q.worldedit.world.World;
+
+import javax.annotation.Nullable;
 import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.IOException;
 import java.lang.annotation.Annotation;
 import java.net.URI;
-import java.net.URL;
-import javax.annotation.Nullable;
 
 public class FawePrimitiveBinding {
     @BindingMatch(type = {Long.class, long.class},
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public Long getLong(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
         try {
             Long v = Long.parseLong(context.next());
@@ -80,11 +77,15 @@ public class FawePrimitiveBinding {
     public class ImageUri {
         public final URI uri;
         private BufferedImage image;
-        public ImageUri(URI uri) {
+
+        ImageUri(URI uri) {
             this.uri = uri;
         }
+
         public BufferedImage load() throws ParameterException {
-            if (image != null) return image;
+            if (image != null) {
+                return image;
+            }
             return image = ImageUtil.load(uri);
         }
     }
@@ -105,7 +106,9 @@ public class FawePrimitiveBinding {
     )
     public TextureUtil getTexture(ArgumentStack context) {
         Actor actor = context.getContext().getLocals().get(Actor.class);
-        if (actor == null) return Fawe.get().getCachedTextureUtil(true, 0, 100);
+        if (actor == null) {
+            return Fawe.get().getCachedTextureUtil(true, 0, 100);
+        }
         LocalSession session = WorldEdit.getInstance().getSessionManager().get(actor);
         return session.getTextureUtil();
     }
@@ -117,12 +120,20 @@ public class FawePrimitiveBinding {
     )
     public Extent getExtent(ArgumentStack context) throws ParameterException {
         Extent extent = context.getContext().getLocals().get(EditSession.class);
-        if (extent != null) return extent;
+        if (extent != null) {
+            return extent;
+        }
         extent = Request.request().getExtent();
-        if (extent != null) return extent;
+        if (extent != null) {
+            return extent;
+        }
         Actor actor = context.getContext().getLocals().get(Actor.class);
-        if (actor == null) throw new ParameterException("No player to get a session for");
-        if (!(actor instanceof Player)) throw new ParameterException("Caller is not a player");
+        if (actor == null) {
+            throw new ParameterException("No player to get a session for");
+        }
+        if (!(actor instanceof Player)) {
+            throw new ParameterException("Caller is not a player");
+        }
         LocalSession session = WorldEdit.getInstance().getSessionManager().get(actor);
         EditSession editSession = session.createEditSession((Player) actor);
         editSession.enableQueue();
@@ -139,7 +150,7 @@ public class FawePrimitiveBinding {
      * @throws ParameterException on other error
      */
     @BindingMatch(type = FawePlayer.class,
-            behavior = BindingBehavior.PROVIDES)
+                  behavior = BindingBehavior.PROVIDES)
     public FawePlayer getFawePlayer(ArgumentStack context) throws ParameterException, InputParseException {
         Actor sender = context.getContext().getLocals().get(Actor.class);
         if (sender == null) {
@@ -157,10 +168,12 @@ public class FawePrimitiveBinding {
      * @throws ParameterException on other error
      */
     @BindingMatch(type = ResettableExtent.class,
-            behavior = BindingBehavior.PROVIDES)
+                  behavior = BindingBehavior.PROVIDES)
     public ResettableExtent getResettableExtent(ArgumentStack context) throws ParameterException, InputParseException {
         String input = context.next();
-        if (input.equalsIgnoreCase("#null")) return new NullExtent();
+        if (input.equalsIgnoreCase("#null")) {
+            return new NullExtent();
+        }
         DefaultTransformParser parser = Fawe.get().getTransformParser();
         Actor actor = context.getContext().getLocals().get(Actor.class);
         ParserContext parserContext = new ParserContext();
@@ -178,17 +191,17 @@ public class FawePrimitiveBinding {
     /**
      * Gets a type from a {@link ArgumentStack}.
      *
-     * @param context   the context
-     * @param text      the text annotation
+     * @param context the context
+     * @param text the text annotation
      * @param modifiers a list of modifiers
      * @return the requested type
      * @throws ParameterException on error
      */
     @BindingMatch(classifier = Text.class,
-            type = String.class,
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = -1,
-            provideModifiers = true)
+                  type = String.class,
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = -1,
+                  provideModifiers = true)
     public String getText(ArgumentStack context, Text text, Annotation[] modifiers)
             throws ParameterException {
         String v = context.remaining();
@@ -196,9 +209,9 @@ public class FawePrimitiveBinding {
         return v;
     }
 
-    @BindingMatch(type = { Expression.class },
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1)
+    @BindingMatch(type = {Expression.class},
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1)
     public Expression getExpression(ArgumentStack context) throws ParameterException, ExpressionException {
         String input = context.next();
         try {
@@ -222,15 +235,15 @@ public class FawePrimitiveBinding {
     /**
      * Gets a type from a {@link ArgumentStack}.
      *
-     * @param context   the context
+     * @param context the context
      * @param modifiers a list of modifiers
      * @return the requested type
      * @throws ParameterException on error
      */
     @BindingMatch(type = String.class,
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public String getString(ArgumentStack context, Annotation[] modifiers)
             throws ParameterException {
         String v = context.next();
@@ -246,8 +259,8 @@ public class FawePrimitiveBinding {
      * @throws ParameterException on error
      */
     @BindingMatch(type = {Boolean.class, boolean.class},
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1)
     public Boolean getBoolean(ArgumentStack context) throws ParameterException {
         return context.nextBoolean();
     }
@@ -260,9 +273,9 @@ public class FawePrimitiveBinding {
      * @throws ParameterException on error
      */
     @BindingMatch(type = Vector3.class,
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public Vector3 getVector3(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
         String radiusString = context.next();
         String[] radii = radiusString.split(",");
@@ -293,9 +306,9 @@ public class FawePrimitiveBinding {
      * @throws ParameterException on error
      */
     @BindingMatch(type = Vector2.class,
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public Vector2 getVector2(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
         String radiusString = context.next();
         String[] radii = radiusString.split(",");
@@ -314,69 +327,71 @@ public class FawePrimitiveBinding {
                 throw new ParameterException("You must either specify 1 or 2 radius values.");
         }
         return Vector2.at(radiusX, radiusZ);
-    }    /**
+    }
+
+    /**
      * Gets a type from a {@link ArgumentStack}.
-    *
-    * @param context the context
-    * @return the requested type
-    * @throws ParameterException on error
-    */
-   @BindingMatch(type = BlockVector3.class,
-           behavior = BindingBehavior.CONSUMES,
-           consumedCount = 1,
-           provideModifiers = true)
-   public BlockVector3 getBlockVector3(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
-       String radiusString = context.next();
-       String[] radii = radiusString.split(",");
-       final double radiusX, radiusY, radiusZ;
-       switch (radii.length) {
-           case 1:
-               radiusX = radiusY = radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
-               break;
+     *
+     * @param context the context
+     * @return the requested type
+     * @throws ParameterException on error
+     */
+    @BindingMatch(type = BlockVector3.class,
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
+    public BlockVector3 getBlockVector3(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
+        String radiusString = context.next();
+        String[] radii = radiusString.split(",");
+        final double radiusX, radiusY, radiusZ;
+        switch (radii.length) {
+            case 1:
+                radiusX = radiusY = radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
+                break;
 
-           case 3:
-               radiusX = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
-               radiusY = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[1]));
-               radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[2]));
-               break;
+            case 3:
+                radiusX = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
+                radiusY = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[1]));
+                radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[2]));
+                break;
 
-           default:
-               throw new ParameterException("You must either specify 1 or 3 radius values.");
-       }
-       return BlockVector3.at(radiusX, radiusY, radiusZ);
-   }
+            default:
+                throw new ParameterException("You must either specify 1 or 3 radius values.");
+        }
+        return BlockVector3.at(radiusX, radiusY, radiusZ);
+    }
 
 
-   /**
-    * Gets a type from a {@link ArgumentStack}.
-    *
-    * @param context the context
-    * @return the requested type
-    * @throws ParameterException on error
-    */
-   @BindingMatch(type = BlockVector2.class,
-           behavior = BindingBehavior.CONSUMES,
-           consumedCount = 1,
-           provideModifiers = true)
-   public BlockVector2 getBlockVector2(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
-       String radiusString = context.next();
-       String[] radii = radiusString.split(",");
-       final double radiusX, radiusZ;
-       switch (radii.length) {
-           case 1:
-               radiusX = radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
-               break;
+    /**
+     * Gets a type from a {@link ArgumentStack}.
+     *
+     * @param context the context
+     * @return the requested type
+     * @throws ParameterException on error
+     */
+    @BindingMatch(type = BlockVector2.class,
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
+    public BlockVector2 getBlockVector2(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
+        String radiusString = context.next();
+        String[] radii = radiusString.split(",");
+        final double radiusX, radiusZ;
+        switch (radii.length) {
+            case 1:
+                radiusX = radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
+                break;
 
-           case 2:
-               radiusX = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
-               radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[1]));
-               break;
+            case 2:
+                radiusX = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[0]));
+                radiusZ = Math.max(1, FawePrimitiveBinding.parseNumericInput(radii[1]));
+                break;
 
-           default:
-               throw new ParameterException("You must either specify 1 or 2 radius values.");
-       }
-       return BlockVector2.at(radiusX, radiusZ);
-   }
+            default:
+                throw new ParameterException("You must either specify 1 or 2 radius values.");
+        }
+        return BlockVector2.at(radiusX, radiusZ);
+    }
 
     /**
      * Try to parse numeric input as either a number or a mathematical expression.
@@ -410,15 +425,15 @@ public class FawePrimitiveBinding {
     /**
      * Gets a type from a {@link ArgumentStack}.
      *
-     * @param context   the context
+     * @param context the context
      * @param modifiers a list of modifiers
      * @return the requested type
      * @throws ParameterException on error
      */
     @BindingMatch(type = {Integer.class, int.class},
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public Integer getInteger(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
         Double v = parseNumericInput(context.next());
         if (v != null) {
@@ -433,15 +448,15 @@ public class FawePrimitiveBinding {
     /**
      * Gets a type from a {@link ArgumentStack}.
      *
-     * @param context   the context
+     * @param context the context
      * @param modifiers a list of modifiers
      * @return the requested type
      * @throws ParameterException on error
      */
     @BindingMatch(type = {Short.class, short.class},
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public Short getShort(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
         Integer v = getInteger(context, modifiers);
         if (v != null) {
@@ -453,15 +468,15 @@ public class FawePrimitiveBinding {
     /**
      * Gets a type from a {@link ArgumentStack}.
      *
-     * @param context   the context
+     * @param context the context
      * @param modifiers a list of modifiers
      * @return the requested type
      * @throws ParameterException on error
      */
     @BindingMatch(type = {Double.class, double.class},
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public Double getDouble(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
         Double v = parseNumericInput(context.next());
         if (v != null) {
@@ -475,15 +490,15 @@ public class FawePrimitiveBinding {
     /**
      * Gets a type from a {@link ArgumentStack}.
      *
-     * @param context   the context
+     * @param context the context
      * @param modifiers a list of modifiers
      * @return the requested type
      * @throws ParameterException on error
      */
     @BindingMatch(type = {Float.class, float.class},
-            behavior = BindingBehavior.CONSUMES,
-            consumedCount = 1,
-            provideModifiers = true)
+                  behavior = BindingBehavior.CONSUMES,
+                  consumedCount = 1,
+                  provideModifiers = true)
     public Float getFloat(ArgumentStack context, Annotation[] modifiers) throws ParameterException {
         Double v = getDouble(context, modifiers);
         if (v != null) {
@@ -495,7 +510,7 @@ public class FawePrimitiveBinding {
     /**
      * Validate a number value using relevant modifiers.
      *
-     * @param number    the number
+     * @param number the number
      * @param modifiers the list of modifiers to scan
      * @throws ParameterException on a validation error
      */
@@ -506,14 +521,10 @@ public class FawePrimitiveBinding {
                 Range range = (Range) modifier;
                 if (number < range.min()) {
                     throw new ParameterException(
-                            String.format(
-                                    "A valid value is greater than or equal to %s " +
-                                            "(you entered %s)", range.min(), number));
+                            String.format("A valid value is greater than or equal to %s (you entered %s)", range.min(), number));
                 } else if (number > range.max()) {
                     throw new ParameterException(
-                            String.format(
-                                    "A valid value is less than or equal to %s " +
-                                            "(you entered %s)", range.max(), number));
+                            String.format("A valid value is less than or equal to %s (you entered %s)", range.max(), number));
                 }
             }
         }
@@ -522,7 +533,7 @@ public class FawePrimitiveBinding {
     /**
      * Validate a number value using relevant modifiers.
      *
-     * @param number    the number
+     * @param number the number
      * @param modifiers the list of modifiers to scan
      * @throws ParameterException on a validation error
      */
@@ -534,13 +545,11 @@ public class FawePrimitiveBinding {
                 if (number < range.min()) {
                     throw new ParameterException(
                             String.format(
-                                    "A valid value is greater than or equal to %s " +
-                                            "(you entered %s)", range.min(), number));
+                                    "A valid value is greater than or equal to %s (you entered %s)", range.min(), number));
                 } else if (number > range.max()) {
                     throw new ParameterException(
                             String.format(
-                                    "A valid value is less than or equal to %s " +
-                                            "(you entered %s)", range.max(), number));
+                                    "A valid value is less than or equal to %s (you entered %s)", range.max(), number));
                 }
             }
         }
@@ -549,7 +558,7 @@ public class FawePrimitiveBinding {
     /**
      * Validate a string value using relevant modifiers.
      *
-     * @param string    the string
+     * @param string the string
      * @param modifiers the list of modifiers to scan
      * @throws ParameterException on a validation error
      */
@@ -567,8 +576,7 @@ public class FawePrimitiveBinding {
                     if (!string.matches(validate.regex())) {
                         throw new ParameterException(
                                 String.format(
-                                        "The given text doesn't match the right " +
-                                                "format (technically speaking, the 'format' is %s)",
+                                        "The given text doesn't match the right format (technically speaking, the 'format' is %s)",
                                         validate.regex()));
                     }
                 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/config/BBC.java b/worldedit-core/src/main/java/com/boydti/fawe/config/BBC.java
index 72e1002be..41ab2f601 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/config/BBC.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/config/BBC.java
@@ -434,7 +434,7 @@ public enum BBC {
                 allNames.add(c.name());
                 allCats.add(c.category.toLowerCase());
             }
-            final HashSet<BBC> captions = new HashSet<>();
+            final EnumSet<BBC> captions = EnumSet.noneOf(BBC.class);
             boolean changed = false;
             for (final String key : keys) {
                 final Object value = yml.get(key);
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/example/NMSRelighter.java b/worldedit-core/src/main/java/com/boydti/fawe/example/NMSRelighter.java
index ed33a9b5e..6e4a79629 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/example/NMSRelighter.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/example/NMSRelighter.java
@@ -391,7 +391,7 @@ public class NMSRelighter implements Relighter {
     }
 
     private void fixSkyLighting(List<RelightSkyEntry> sorted) {
-        RelightSkyEntry[] chunks = sorted.toArray(new RelightSkyEntry[sorted.size()]);
+        RelightSkyEntry[] chunks = sorted.toArray(new RelightSkyEntry[0]);
         boolean remove = this.removeFirst;
         BlockVectorSet chunkSet = null;
         if (remove) {
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/NBTStreamer.java b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/NBTStreamer.java
index 2cc2ebc7a..8f5487204 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/NBTStreamer.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/NBTStreamer.java
@@ -1,16 +1,14 @@
 package com.boydti.fawe.jnbt;
 
 import com.boydti.fawe.config.BBC;
-import com.boydti.fawe.object.RunnableVal2;
 import com.boydti.fawe.object.exception.FaweException;
+
 import com.sk89q.jnbt.NBTInputStream;
 
-import java.io.DataInput;
 import java.io.DataInputStream;
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.function.BiConsumer;
-import java.util.function.Function;
 
 public class NBTStreamer {
     private final NBTInputStream is;
@@ -27,7 +25,7 @@ public class NBTStreamer {
      * @throws IOException
      */
     public void readFully() throws IOException {
-        is.readNamedTagLazy(node -> readers.get(node));
+        is.readNamedTagLazy(readers::get);
         is.close();
     }
 
@@ -57,12 +55,6 @@ public class NBTStreamer {
         readers.put(node, run);
     }
 
-    public <T, V> void addReader(BiConsumer<T, V> run, String... nodes) {
-        for (String node : nodes) {
-            addReader(node, run);
-        }
-    }
-
     public static abstract class NBTStreamReader<T, V> implements BiConsumer<T, V> {
         private String node;
 
@@ -84,7 +76,7 @@ public class NBTStreamer {
         public abstract void run(int index, int byteValue);
     }
 
-    public static abstract class LazyReader implements BiConsumer<Integer, DataInputStream> {}
+    public interface LazyReader extends BiConsumer<Integer, DataInputStream> {}
 
     public static abstract class LongReader implements BiConsumer<Integer, Long> {
         @Override
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/SchematicStreamer.java b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/SchematicStreamer.java
index dc31b5989..d20c2405b 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/SchematicStreamer.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/SchematicStreamer.java
@@ -57,21 +57,21 @@ public class SchematicStreamer extends NBTStreamer {
     }
 
     public void addBlockReaders() throws IOException {
-        NBTStreamReader idInit = new NBTStreamReader<Integer, Integer>() {
+        NBTStreamReader<? extends Integer, ? extends Integer> idInit = new NBTStreamReader<Integer, Integer>() {
             @Override
             public void accept(Integer length, Integer type) {
                 setupClipboard(length);
                 ids = new FaweOutputStream(new LZ4BlockOutputStream(idOut));
             }
         };
-        NBTStreamReader dataInit = new NBTStreamReader<Integer, Integer>() {
+        NBTStreamReader<? extends Integer, ? extends Integer> dataInit = new NBTStreamReader<Integer, Integer>() {
             @Override
             public void accept(Integer length, Integer type) {
                 setupClipboard(length);
                 datas = new FaweOutputStream(new LZ4BlockOutputStream(dataOut));
             }
         };
-        NBTStreamReader addInit = new NBTStreamReader<Integer, Integer>() {
+        NBTStreamReader<? extends Integer, ? extends Integer> addInit = new NBTStreamReader<Integer, Integer>() {
             @Override
             public void accept(Integer length, Integer type) {
                 setupClipboard(length*2);
@@ -225,19 +225,19 @@ public class SchematicStreamer extends NBTStreamer {
                         Direction left = facing.getLeft();
                         Direction right = facing.getRight();
 
-                        BlockStateHolder forwardBlock = fc.getBlock(x + forward.getBlockX(), y + forward.getBlockY(), z + forward.getBlockZ());
+                        BlockStateHolder<com.sk89q.worldedit.world.block.BaseBlock> forwardBlock = fc.getBlock(x + forward.getBlockX(), y + forward.getBlockY(), z + forward.getBlockZ());
                         BlockType forwardType = forwardBlock.getBlockType();
                         if (forwardType.hasProperty(PropertyKey.SHAPE) && forwardType.hasProperty(PropertyKey.FACING)) {
                             Direction forwardFacing = (Direction) forwardBlock.getState(PropertyKey.FACING);
                             if (forwardFacing == left) {
-                                BlockStateHolder rightBlock = fc.getBlock(x + right.toBlockVector().getBlockX(), y + right.toBlockVector().getBlockY(), z + right.toBlockVector().getBlockZ());
+                                BlockStateHolder<com.sk89q.worldedit.world.block.BaseBlock> rightBlock = fc.getBlock(x + right.toBlockVector().getBlockX(), y + right.toBlockVector().getBlockY(), z + right.toBlockVector().getBlockZ());
                                 BlockType rightType = rightBlock.getBlockType();
                                 if (!rightType.hasProperty(PropertyKey.SHAPE) || rightBlock.getState(PropertyKey.FACING) != facing) {
                                     fc.setBlock(x, y, z, block.with(PropertyKey.SHAPE, "inner_left"));
                                 }
                                 return;
                             } else if (forwardFacing == right) {
-                                BlockStateHolder leftBlock = fc.getBlock(x + left.toBlockVector().getBlockX(), y + left.toBlockVector().getBlockY(), z + left.toBlockVector().getBlockZ());
+                                BlockStateHolder<com.sk89q.worldedit.world.block.BaseBlock> leftBlock = fc.getBlock(x + left.toBlockVector().getBlockX(), y + left.toBlockVector().getBlockY(), z + left.toBlockVector().getBlockZ());
                                 BlockType leftType = leftBlock.getBlockType();
                                 if (!leftType.hasProperty(PropertyKey.SHAPE) || leftBlock.getState(PropertyKey.FACING) != facing) {
                                     fc.setBlock(x, y, z, block.with(PropertyKey.SHAPE, "inner_right"));
@@ -246,19 +246,19 @@ public class SchematicStreamer extends NBTStreamer {
                             }
                         }
 
-                        BlockStateHolder backwardsBlock = fc.getBlock(x - forward.getBlockX(), y - forward.getBlockY(), z - forward.getBlockZ());
+                        BlockStateHolder<com.sk89q.worldedit.world.block.BaseBlock> backwardsBlock = fc.getBlock(x - forward.getBlockX(), y - forward.getBlockY(), z - forward.getBlockZ());
                         BlockType backwardsType = backwardsBlock.getBlockType();
                         if (backwardsType.hasProperty(PropertyKey.SHAPE) && backwardsType.hasProperty(PropertyKey.FACING)) {
                             Direction backwardsFacing = (Direction) backwardsBlock.getState(PropertyKey.FACING);
                             if (backwardsFacing == left) {
-                                BlockStateHolder rightBlock = fc.getBlock(x + right.toBlockVector().getBlockX(), y + right.toBlockVector().getBlockY(), z + right.toBlockVector().getBlockZ());
+                                BlockStateHolder<com.sk89q.worldedit.world.block.BaseBlock> rightBlock = fc.getBlock(x + right.toBlockVector().getBlockX(), y + right.toBlockVector().getBlockY(), z + right.toBlockVector().getBlockZ());
                                 BlockType rightType = rightBlock.getBlockType();
                                 if (!rightType.hasProperty(PropertyKey.SHAPE) || rightBlock.getState(PropertyKey.FACING) != facing) {
                                     fc.setBlock(x, y, z, block.with(PropertyKey.SHAPE, "outer_left"));
                                 }
                                 return;
                             } else if (backwardsFacing == right) {
-                                BlockStateHolder leftBlock = fc.getBlock(x + left.toBlockVector().getBlockX(), y + left.toBlockVector().getBlockY(), z + left.toBlockVector().getBlockZ());
+                                BlockStateHolder<com.sk89q.worldedit.world.block.BaseBlock> leftBlock = fc.getBlock(x + left.toBlockVector().getBlockX(), y + left.toBlockVector().getBlockY(), z + left.toBlockVector().getBlockZ());
                                 BlockType leftType = leftBlock.getBlockType();
                                 if (!leftType.hasProperty(PropertyKey.SHAPE) || leftBlock.getState(PropertyKey.FACING) != facing) {
                                     fc.setBlock(x, y, z, block.with(PropertyKey.SHAPE, "outer_right"));
@@ -298,7 +298,7 @@ public class SchematicStreamer extends NBTStreamer {
     }, true).build();
 
     private boolean merge(int group, int x, int y, int z) {
-        BlockStateHolder block = fc.getBlock(x, y, z);
+        BlockStateHolder<com.sk89q.worldedit.world.block.BaseBlock> block = fc.getBlock(x, y, z);
         BlockType type = block.getBlockType();
         return group(type) == group || fullCube.apply(type);
     }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/OreGen.java b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/OreGen.java
index 7ded48ea7..86c6ad7cd 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/OreGen.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/OreGen.java
@@ -9,7 +9,7 @@ import com.sk89q.worldedit.math.MutableBlockVector3;
 
 import java.util.Random;
 
-public class OreGen extends Resource {
+public class OreGen implements Resource {
     private final int maxSize;
     private final double maxSizeO8;
     private final double maxSizeO16;
@@ -21,9 +21,9 @@ public class OreGen extends Resource {
     private final Mask mask;
     private MutableBlockVector3 mutable = new MutableBlockVector3();
 
-    private double ONE_2 = 1 / 2F;
-    private double ONE_8 = 1 / 8F;
-    private double ONE_16 = 1 / 16F;
+    private final double ONE_2 = 1 / 2F;
+    private final double ONE_8 = 1 / 8F;
+    private final double ONE_16 = 1 / 16F;
 
     public int laced = 0;
 
@@ -47,16 +47,13 @@ public class OreGen extends Resource {
         }
         double f = rand.nextDouble() * Math.PI;
 
-        int x8 = x;
-        int z8 = z;
         double so8 = maxSizeO8;
-        double so16 = maxSizeO16;
         double sf = MathMan.sinInexact(f) * so8;
         double cf = MathMan.cosInexact(f) * so8;
-        double d1 = x8 + sf;
-        double d2 = x8 - sf;
-        double d3 = z8 + cf;
-        double d4 = z8 - cf;
+        double d1 = x + sf;
+        double d2 = x - sf;
+        double d3 = z + cf;
+        double d4 = z - cf;
 
         double d5 = y + rand.nextInt(3) - 2;
         double d6 = y + rand.nextInt(3) - 2;
@@ -71,7 +68,7 @@ public class OreGen extends Resource {
             double d8 = d5 + yd * iFactor;
             double d9 = d3 + zd * iFactor;
 
-            double d10 = rand.nextDouble() * so16;
+            double d10 = rand.nextDouble() * maxSizeO16;
             double sif = MathMan.sinInexact(Math.PI * iFactor);
             double d11 = (sif + 1.0) * d10 + 1.0;
             double d12 = (sif + 1.0) * d10 + 1.0;
@@ -116,4 +113,4 @@ public class OreGen extends Resource {
         }
         return true;
     }
-}
\ No newline at end of file
+}
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/Resource.java b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/Resource.java
index 9ff294afd..b7f96a62d 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/Resource.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/Resource.java
@@ -4,8 +4,7 @@ import com.sk89q.worldedit.WorldEditException;
 
 import java.util.Random;
 
-public abstract class Resource {
-    public Resource() {}
+public interface Resource {
 
-    public abstract boolean spawn(Random random, int x, int z) throws WorldEditException;
+    boolean spawn(Random random, int x, int z) throws WorldEditException;
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/SchemGen.java b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/SchemGen.java
index 3cb58d0af..849cff90c 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/SchemGen.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/generator/SchemGen.java
@@ -13,7 +13,7 @@ import java.util.List;
 import java.util.Random;
 import java.util.concurrent.ThreadLocalRandom;
 
-public class SchemGen extends Resource {
+public class SchemGen implements Resource {
 
     private final Extent extent;
     private final List<ClipboardHolder> clipboards;
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/brush/ShatterBrush.java b/worldedit-core/src/main/java/com/boydti/fawe/object/brush/ShatterBrush.java
index 70360ad15..62b78f249 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/brush/ShatterBrush.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/brush/ShatterBrush.java
@@ -27,8 +27,6 @@ public class ShatterBrush extends ScatterBrush {
     @Override
     public void finish(EditSession editSession, LocalBlockVectorSet placed, final BlockVector3 position, Pattern pattern, double size) {
         int radius2 = (int) (size * size);
-        // Keep track of where we've visited
-        LocalBlockVectorSet tmp = new LocalBlockVectorSet();
         // Individual frontier for each point
         LocalBlockVectorSet[] frontiers = new LocalBlockVectorSet[placed.size()];
         // Keep track of where each frontier has visited
@@ -51,6 +49,8 @@ public class ShatterBrush extends ScatterBrush {
         final SurfaceMask surfaceTest = new SurfaceMask(editSession);
         // Expand
         boolean notEmpty = true;
+        // Keep track of where we've visited
+        LocalBlockVectorSet tmp = new LocalBlockVectorSet();
         while (notEmpty) {
             notEmpty = false;
             for (i = 0; i < frontiers.length; i++) {
@@ -59,37 +59,33 @@ public class ShatterBrush extends ScatterBrush {
                 final LocalBlockVectorSet frontierVisited = frontiersVisited[i];
                 // This is a temporary set with the next blocks the frontier will visit
                 final LocalBlockVectorSet finalTmp = tmp;
-                frontier.forEach(new LocalBlockVectorSet.BlockVectorSetVisitor() {
-                    @Override
-                    public void run(int x, int y, int z, int index) {
-                        if (ThreadLocalRandom.current().nextInt(2) == 0) {
-                            finalTmp.add(x, y, z);
-                            return;
-                        }
-                        for (int i = 0; i < BreadthFirstSearch.DIAGONAL_DIRECTIONS.length; i++) {
-                        	BlockVector3 direction = BreadthFirstSearch.DIAGONAL_DIRECTIONS[i];
-                            int x2 = x + direction.getBlockX();
-                            int y2 = y + direction.getBlockY();
-                            int z2 = z + direction.getBlockZ();
-                            // Check boundary
-                            int dx = position.getBlockX() - x2;
-                            int dy = position.getBlockY() - y2;
-                            int dz = position.getBlockZ() - z2;
-                            int dSqr = (dx * dx) + (dy * dy) + (dz * dz);
-                            if (dSqr <= radius2) {
-                                MutableBlockVector3 v = mutable.setComponents(x2, y2, z2);
-                                BlockVector3 bv = v;
-                                if (surfaceTest.test(bv) && finalMask.test(bv)) {
-                                    // (collision) If it's visited and part of another frontier, set the block
-                                    if (!placed.add(x2, y2, z2)) {
-                                        if (!frontierVisited.contains(x2, y2, z2)) {
-                                            editSession.setBlock(x2, y2, z2, pattern);
-                                        }
-                                    } else {
-                                        // Hasn't visited and not a collision = add it
-                                        finalTmp.add(x2, y2, z2);
-                                        frontierVisited.add(x2, y2, z2);
+                frontier.forEach((x, y, z, index) -> {
+                    if (ThreadLocalRandom.current().nextInt(2) == 0) {
+                        finalTmp.add(x, y, z);
+                        return;
+                    }
+                    for (int i1 = 0; i1 < BreadthFirstSearch.DIAGONAL_DIRECTIONS.length; i1++) {
+                        BlockVector3 direction = BreadthFirstSearch.DIAGONAL_DIRECTIONS[i1];
+                        int x2 = x + direction.getBlockX();
+                        int y2 = y + direction.getBlockY();
+                        int z2 = z + direction.getBlockZ();
+                        // Check boundary
+                        int dx = position.getBlockX() - x2;
+                        int dy = position.getBlockY() - y2;
+                        int dz = position.getBlockZ() - z2;
+                        int dSqr = (dx * dx) + (dy * dy) + (dz * dz);
+                        if (dSqr <= radius2) {
+                            BlockVector3 bv = mutable.setComponents(x2, y2, z2);
+                            if (surfaceTest.test(bv) && finalMask.test(bv)) {
+                                // (collision) If it's visited and part of another frontier, set the block
+                                if (!placed.add(x2, y2, z2)) {
+                                    if (!frontierVisited.contains(x2, y2, z2)) {
+                                        editSession.setBlock(x2, y2, z2, pattern);
                                     }
+                                } else {
+                                    // Hasn't visited and not a collision = add it
+                                    finalTmp.add(x2, y2, z2);
+                                    frontierVisited.add(x2, y2, z2);
                                 }
                             }
                         }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/brush/visualization/VisualExtent.java b/worldedit-core/src/main/java/com/boydti/fawe/object/brush/visualization/VisualExtent.java
index 4b8eeb0ba..4dc128a32 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/brush/visualization/VisualExtent.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/brush/visualization/VisualExtent.java
@@ -1,14 +1,12 @@
 package com.boydti.fawe.object.brush.visualization;
 
-import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.example.IntFaweChunk;
 import com.boydti.fawe.example.NullQueueIntFaweChunk;
 import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.FaweQueue;
-import com.boydti.fawe.object.visitor.FaweChunkVisitor;
 import com.boydti.fawe.util.MathMan;
+
 import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.extent.AbstractDelegateExtent;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector2;
@@ -17,7 +15,6 @@ import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
 import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
-import it.unimi.dsi.fastutil.objects.ObjectIterator;
 
 public class VisualExtent extends AbstractDelegateExtent {
 
@@ -67,9 +64,7 @@ public class VisualExtent extends AbstractDelegateExtent {
     }
 
     public void clear(VisualExtent other, FawePlayer... players) {
-        ObjectIterator<Long2ObjectMap.Entry<VisualChunk>> iter = chunks.long2ObjectEntrySet().iterator();
-        while (iter.hasNext()) {
-            Long2ObjectMap.Entry<VisualChunk> entry = iter.next();
+        for (Long2ObjectMap.Entry<VisualChunk> entry : chunks.long2ObjectEntrySet()) {
             long pair = entry.getLongKey();
             int cx = MathMan.unpairIntX(pair);
             int cz = MathMan.unpairIntY(pair);
@@ -79,21 +74,15 @@ public class VisualExtent extends AbstractDelegateExtent {
             final int bx = cx << 4;
             final int bz = cz << 4;
             if (otherChunk == null) {
-                chunk.forEachQueuedBlock(new FaweChunkVisitor() {
-                    @Override
-                    public void run(int localX, int y, int localZ, int combined) {
-                        combined = queue.getCombinedId4Data(bx + localX, y, bz + localZ, 0);
-                        newChunk.setBlock(localX, y, localZ, combined);
-                    }
+                chunk.forEachQueuedBlock((localX, y, localZ, combined) -> {
+                    combined = queue.getCombinedId4Data(bx + localX, y, bz + localZ, 0);
+                    newChunk.setBlock(localX, y, localZ, combined);
                 });
             } else {
-                chunk.forEachQueuedBlock(new FaweChunkVisitor() {
-                    @Override
-                    public void run(int localX, int y, int localZ, int combined) {
-                        if (combined != otherChunk.getBlockCombinedId(localX, y, localZ)) {
-                            combined = queue.getCombinedId4Data(bx + localX, y, bz + localZ, 0);
-                            newChunk.setBlock(localX, y, localZ, combined);
-                        }
+                chunk.forEachQueuedBlock((localX, y, localZ, combined) -> {
+                    if (combined != otherChunk.getBlockCombinedId(localX, y, localZ)) {
+                        combined = queue.getCombinedId4Data(bx + localX, y, bz + localZ, 0);
+                        newChunk.setBlock(localX, y, localZ, combined);
                     }
                 });
             }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/AbstractDelegateFaweClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/AbstractDelegateFaweClipboard.java
index f41a37790..37c9de4dd 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/AbstractDelegateFaweClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/AbstractDelegateFaweClipboard.java
@@ -1,15 +1,14 @@
 package com.boydti.fawe.object.clipboard;
 
 import com.boydti.fawe.jnbt.NBTStreamer;
+
 import com.sk89q.jnbt.CompoundTag;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.world.biome.BiomeType;
-import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 
 import java.util.List;
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/CPUOptimizedClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/CPUOptimizedClipboard.java
index a012b5358..6544286a6 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/CPUOptimizedClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/CPUOptimizedClipboard.java
@@ -1,21 +1,18 @@
 package com.boydti.fawe.object.clipboard;
 
-import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.jnbt.NBTStreamer;
 import com.boydti.fawe.object.IntegerTrio;
 import com.boydti.fawe.util.ReflectionUtils;
+
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.IntTag;
 import com.sk89q.jnbt.Tag;
-import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.world.biome.BiomeType;
-import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
@@ -239,9 +236,9 @@ public class CPUOptimizedClipboard extends FaweClipboard {
     @Override
     public <B extends BlockStateHolder<B>> boolean setBlock(int index, B block) {
         states[index] = block.getInternalId();
-        boolean hasNbt = block instanceof BaseBlock && ((BaseBlock)block).hasNbtData();
+        boolean hasNbt = block instanceof BaseBlock && block.hasNbtData();
         if (hasNbt) {
-            setTile(index, ((BaseBlock)block).getNbtData());
+            setTile(index, block.getNbtData());
         }
         return true;
     }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/DiskOptimizedClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/DiskOptimizedClipboard.java
index 444fa92a8..1d86aa11b 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/DiskOptimizedClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/DiskOptimizedClipboard.java
@@ -46,9 +46,7 @@ import java.util.UUID;
  */
 public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
 
-    public static int COMPRESSION = 0;
-    public static int MODE = 0;
-    public static int HEADER_SIZE = 14;
+    private static int HEADER_SIZE = 14;
 
     protected int length;
     protected int height;
@@ -61,9 +59,9 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     private final File file;
 
     private RandomAccessFile braf;
-    private MappedByteBuffer mbb;
+    private MappedByteBuffer byteBuffer;
 
-    private FileChannel fc;
+    private FileChannel fileChannel;
     private boolean hasBiomes;
 
     public DiskOptimizedClipboard(int width, int height, int length, UUID uuid) {
@@ -78,9 +76,9 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
             this.braf = new RandomAccessFile(file, "rw");
             braf.setLength(file.length());
             init();
-            width = mbb.getChar(2);
-            height = mbb.getChar(4);
-            length = mbb.getChar(6);
+            width = byteBuffer.getChar(2);
+            height = byteBuffer.getChar(4);
+            length = byteBuffer.getChar(6);
             area = width * length;
             this.volume = length * width * height;
 
@@ -98,9 +96,9 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     }
 
     private void init() throws IOException {
-        if (this.fc == null) {
-            this.fc = braf.getChannel();
-            this.mbb = fc.map(FileChannel.MapMode.READ_WRITE, 0, file.length());
+        if (this.fileChannel == null) {
+            this.fileChannel = braf.getChannel();
+            this.byteBuffer = fileChannel.map(FileChannel.MapMode.READ_WRITE, 0, file.length());
         }
     }
 
@@ -134,7 +132,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     @Override
     public void setBiome(int index, BiomeType biome) {
         if (initBiome()) {
-            mbb.put(HEADER_SIZE + (volume << 2) + index, (byte) biome.getInternalId());
+            byteBuffer.put(HEADER_SIZE + (volume << 2) + index, (byte) biome.getInternalId());
         }
     }
 
@@ -143,7 +141,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
         if (!hasBiomes()) {
             return null;
         }
-        int biomeId = mbb.get(HEADER_SIZE + (volume << 2) + index) & 0xFF;
+        int biomeId = byteBuffer.get(HEADER_SIZE + (volume << 2) + index) & 0xFF;
         return BiomeTypes.get(biomeId);
     }
 
@@ -154,7 +152,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
         int mbbIndex = HEADER_SIZE + (volume << 2);
         for (int z = 0; z < length; z++) {
             for (int x = 0; x < width; x++, index++, mbbIndex++) {
-                int biome = mbb.get(mbbIndex) & 0xFF;
+                int biome = byteBuffer.get(mbbIndex) & 0xFF;
                 task.run(index, biome);
             }
         }
@@ -173,9 +171,9 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     public BlockArrayClipboard toClipboard() {
         try {
             CuboidRegion region = new CuboidRegion(BlockVector3.at(0, 0, 0), BlockVector3.at(width - 1, height - 1, length - 1));
-            int ox = mbb.getShort(8);
-            int oy = mbb.getShort(10);
-            int oz = mbb.getShort(12);
+            int ox = byteBuffer.getShort(8);
+            int oy = byteBuffer.getShort(10);
+            int oz = byteBuffer.getShort(12);
             BlockArrayClipboard clipboard = new BlockArrayClipboard(region, this);
             clipboard.setOrigin(BlockVector3.at(ox, oy, oz));
             return clipboard;
@@ -213,9 +211,9 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
             if (width * height * length != 0) {
                 init();
                 // write length etc
-                mbb.putChar(2, (char) width);
-                mbb.putChar(4, (char) height);
-                mbb.putChar(6, (char) length);
+                byteBuffer.putChar(2, (char) width);
+                byteBuffer.putChar(4, (char) height);
+                byteBuffer.putChar(6, (char) length);
             }
         } catch (IOException e) {
             throw new RuntimeException(e);
@@ -225,9 +223,9 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     @Override
     public void setOrigin(BlockVector3 offset) {
         try {
-            mbb.putShort(8, (short) offset.getBlockX());
-            mbb.putShort(10, (short) offset.getBlockY());
-            mbb.putShort(12, (short) offset.getBlockZ());
+            byteBuffer.putShort(8, (short) offset.getBlockX());
+            byteBuffer.putShort(10, (short) offset.getBlockY());
+            byteBuffer.putShort(12, (short) offset.getBlockZ());
         } catch (Throwable e) {
             e.printStackTrace();
         }
@@ -248,9 +246,9 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
                 braf.setLength(size);
                 init();
             }
-            mbb.putChar(2, (char) width);
-            mbb.putChar(4, (char) height);
-            mbb.putChar(6, (char) length);
+            byteBuffer.putChar(2, (char) width);
+            byteBuffer.putChar(4, (char) height);
+            byteBuffer.putChar(6, (char) length);
         } catch (IOException e) {
             e.printStackTrace();
         }
@@ -258,7 +256,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
 
     @Override
     public void flush() {
-        mbb.force();
+        byteBuffer.force();
     }
 
     public DiskOptimizedClipboard(int width, int height, int length) {
@@ -267,7 +265,6 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
 
     private void closeDirectBuffer(ByteBuffer cb) {
         if (cb == null || !cb.isDirect()) return;
-
         // we could use this type cast and call functions without reflection code,
         // but static import from sun.* package is risky for non-SUN virtual machine.
         //try { ((sun.nio.ch.DirectBuffer)cb).cleaner().clean(); } catch (Exception ex) { }
@@ -299,14 +296,15 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     @Override
     public void close() {
         try {
-            if (mbb != null) {
-                mbb.force();
-                fc.close();
+            if (byteBuffer != null) {
+                byteBuffer.force();
+                fileChannel.close();
                 braf.close();
+                //noinspection ResultOfMethodCallIgnored
                 file.setWritable(true);
-                closeDirectBuffer(mbb);
-                mbb = null;
-                fc = null;
+                closeDirectBuffer(byteBuffer);
+                byteBuffer = null;
+                fileChannel = null;
                 braf = null;
             }
         } catch (IOException e) {
@@ -337,13 +335,13 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     @Override
     public void streamCombinedIds(NBTStreamer.ByteReader task) {
         try {
-            mbb.force();
+            byteBuffer.force();
             int pos = HEADER_SIZE;
             int index = 0;
             for (int y = 0; y < height; y++) {
                 for (int z = 0; z < length; z++) {
                     for (int x = 0; x < width; x++, pos += 4) {
-                        int combinedId = mbb.getInt(pos);
+                        int combinedId = byteBuffer.getInt(pos);
                         task.run(index++, combinedId);
                     }
                 }
@@ -360,7 +358,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
 
     @Override
     public void forEach(final BlockReader task, boolean air) {
-        mbb.force();
+        byteBuffer.force();
         int pos = HEADER_SIZE;
         IntegerTrio trio = new IntegerTrio();
         final boolean hasTile = !nbtMap.isEmpty();
@@ -369,7 +367,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
                 for (int y = 0; y < height; y++) {
                     for (int z = 0; z < length; z++) {
                         for (int x = 0; x < width; x++, pos += 4) {
-                            int combinedId = mbb.getInt(pos);
+                            int combinedId = byteBuffer.getInt(pos);
                             BlockType type = BlockTypes.getFromStateId(combinedId);
                             BlockState state = type.withStateId(combinedId);
                             if (type.getMaterial().hasContainer()) {
@@ -388,7 +386,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
                 for (int y = 0; y < height; y++) {
                     for (int z = 0; z < length; z++) {
                         for (int x = 0; x < width; x++, pos += 4) {
-                            int combinedId = mbb.getInt(pos);
+                            int combinedId = byteBuffer.getInt(pos);
                             BlockState state = BlockState.getFromInternalId(combinedId);
                             task.run(x, y, z, state);
                         }
@@ -399,7 +397,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
             for (int y = 0; y < height; y++) {
                 for (int z = 0; z < length; z++) {
                     for (int x = 0; x < width; x++, pos += 4) {
-                        int combinedId = mbb.getInt(pos);
+                        int combinedId = byteBuffer.getInt(pos);
                         BlockType type = BlockTypes.getFromStateId(combinedId);
                         if (!type.getMaterial().isAir()) {
                             BlockState state = type.withStateId(combinedId);
@@ -427,7 +425,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     public BaseBlock getBlock(int x, int y, int z) {
         try {
             int index = HEADER_SIZE + (getIndex(x, y, z) << 2);
-            int combinedId = mbb.getInt(index);
+            int combinedId = byteBuffer.getInt(index);
             BlockType type = BlockTypes.getFromStateId(combinedId);
             BaseBlock base = type.withStateId(combinedId).toBaseBlock();
             if (type.getMaterial().hasContainer() && !nbtMap.isEmpty()) {
@@ -440,7 +438,6 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
         } catch (IndexOutOfBoundsException ignore) {
         } catch (Exception e) {
             e.printStackTrace();
-            e.printStackTrace();
         }
         return BlockTypes.AIR.getDefaultState().toBaseBlock();
     }
@@ -449,7 +446,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
     public BaseBlock getBlock(int i) {
         try {
             int diskIndex = (HEADER_SIZE) + (i << 2);
-            int combinedId = mbb.getInt(diskIndex);
+            int combinedId = byteBuffer.getInt(diskIndex);
             BlockType type = BlockTypes.getFromStateId(combinedId);
             BaseBlock base = type.withStateId(combinedId).toBaseBlock();
             if (type.getMaterial().hasContainer() && !nbtMap.isEmpty()) {
@@ -499,7 +496,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
         try {
             int index = (HEADER_SIZE) + ((getIndex(x, y, z) << 2));
             int combined = block.getInternalId();
-            mbb.putInt(index, combined);
+            byteBuffer.putInt(index, combined);
             boolean hasNbt = block instanceof BaseBlock && block.hasNbtData();
             if (hasNbt) {
                 setTile(x, y, z, block.getNbtData());
@@ -516,7 +513,7 @@ public class DiskOptimizedClipboard extends FaweClipboard implements Closeable {
         try {
             int combined = block.getInternalId();
             int index = (HEADER_SIZE) + (i << 2);
-            mbb.putInt(index, combined);
+            byteBuffer.putInt(index, combined);
             boolean hasNbt = block instanceof BaseBlock && block.hasNbtData();
             if (hasNbt) {
                 int y = i / area;
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/FaweClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/FaweClipboard.java
index d7f9534e8..5b7199ae4 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/FaweClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/FaweClipboard.java
@@ -2,27 +2,24 @@ package com.boydti.fawe.object.clipboard;
 
 import com.boydti.fawe.jnbt.NBTStreamer;
 import com.boydti.fawe.util.ReflectionUtils;
+
+import static com.google.common.base.Preconditions.checkNotNull;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.IntTag;
 import com.sk89q.jnbt.Tag;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.world.biome.BiomeType;
-import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 
+import javax.annotation.Nullable;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import javax.annotation.Nullable;
-
-
-import static com.google.common.base.Preconditions.checkNotNull;
 
 public abstract class FaweClipboard {
     public abstract BaseBlock getBlock(int x, int y, int z);
@@ -66,8 +63,8 @@ public abstract class FaweClipboard {
      */
     public abstract void forEach(BlockReader task, boolean air);
 
-    public static abstract class BlockReader {
-        public abstract <B extends BlockStateHolder<B>> void run(int x, int y, int z, B block);
+    public interface BlockReader {
+        <B extends BlockStateHolder<B>> void run(int x, int y, int z, B block);
     }
 
     public abstract void streamBiomes(final NBTStreamer.ByteReader task);
@@ -86,7 +83,6 @@ public abstract class FaweClipboard {
     public List<CompoundTag> getTileEntities() {
         final List<CompoundTag> tiles = new ArrayList<>();
         forEach(new BlockReader() {
-            private int index = 0;
 
             @Override
             public <B extends BlockStateHolder<B>> void run(int x, int y, int z, B block) {
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/MemoryOptimizedClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/MemoryOptimizedClipboard.java
index b0dc34196..0c309b3a7 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/MemoryOptimizedClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/MemoryOptimizedClipboard.java
@@ -1,23 +1,21 @@
 package com.boydti.fawe.object.clipboard;
 
-import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.jnbt.NBTStreamer;
 import com.boydti.fawe.object.IntegerTrio;
 import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.util.ReflectionUtils;
+
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.IntTag;
 import com.sk89q.jnbt.Tag;
-import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.world.biome.BiomeTypes;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.world.biome.BiomeType;
+import com.sk89q.worldedit.world.biome.BiomeTypes;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
@@ -31,9 +29,9 @@ import java.util.Map;
 
 public class MemoryOptimizedClipboard extends FaweClipboard {
 
-    public static final int BLOCK_SIZE = 1048576 * 4;
-    public static final int BLOCK_MASK = 1048575;
-    public static final int BLOCK_SHIFT = 20;
+    private static final int BLOCK_SIZE = 1048576 * 4;
+    private static final int BLOCK_MASK = 1048575;
+    private static final int BLOCK_SHIFT = 20;
 
     private int length;
     private int height;
@@ -341,9 +339,9 @@ public class MemoryOptimizedClipboard extends FaweClipboard {
     public <B extends BlockStateHolder<B>> boolean setBlock(int index, B block) {
         int combinedId = block.getInternalId();
         setCombinedId(index, combinedId);
-        boolean hasNbt = block instanceof BaseBlock && ((BaseBlock)block).hasNbtData();
+        boolean hasNbt = block instanceof BaseBlock && block.hasNbtData();
         if (hasNbt) {
-            setTile(index, ((BaseBlock)block).getNbtData());
+            setTile(index, block.getNbtData());
         }
         return true;
     }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/OffsetFaweClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/OffsetFaweClipboard.java
index a09026fb4..3982df681 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/OffsetFaweClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/OffsetFaweClipboard.java
@@ -3,7 +3,6 @@ package com.boydti.fawe.object.clipboard;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 
 public class OffsetFaweClipboard extends AbstractDelegateFaweClipboard {
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/ReadOnlyClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/ReadOnlyClipboard.java
index 8ffc068cf..f767c4ed9 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/ReadOnlyClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/ReadOnlyClipboard.java
@@ -1,17 +1,15 @@
 package com.boydti.fawe.object.clipboard;
 
 import com.boydti.fawe.jnbt.NBTStreamer;
+
 import com.sk89q.jnbt.CompoundTag;
-import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.world.biome.BiomeType;
-import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 
 import java.util.List;
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCopyClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCopyClipboard.java
index c998dce2d..dc3818b84 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCopyClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCopyClipboard.java
@@ -79,22 +79,19 @@ public class WorldCopyClipboard extends ReadOnlyClipboard {
         if (region instanceof CuboidRegion) {
             if (air) {
                 ((CuboidRegion) region).setUseOldIterator(true);
-                RegionVisitor visitor = new RegionVisitor(region, new RegionFunction() {
-                    @Override
-                    public boolean apply(BlockVector3 pos) throws WorldEditException {
-                        BaseBlock block = getBlockAbs(pos.getBlockX(), pos.getBlockY(), pos.getBlockZ());
-                        int x = pos.getBlockX() - mx;
-                        int y = pos.getBlockY() - my;
-                        int z = pos.getBlockZ() - mz;
-                        if (block.hasNbtData()) {
-                            Map<String, Tag> values = ReflectionUtils.getMap(block.getNbtData().getValue());
-                            values.put("x", new IntTag(x));
-                            values.put("y", new IntTag(y));
-                            values.put("z", new IntTag(z));
-                        }
-                        task.run(x, y, z, block);
-                        return true;
+                RegionVisitor visitor = new RegionVisitor(region, pos1 -> {
+                    BaseBlock block = getBlockAbs(pos1.getBlockX(), pos1.getBlockY(), pos1.getBlockZ());
+                    int x = pos1.getBlockX() - mx;
+                    int y = pos1.getBlockY() - my;
+                    int z = pos1.getBlockZ() - mz;
+                    if (block.hasNbtData()) {
+                        Map<String, Tag> values = ReflectionUtils.getMap(block.getNbtData().getValue());
+                        values.put("x", new IntTag(x));
+                        values.put("y", new IntTag(y));
+                        values.put("z", new IntTag(z));
                     }
+                    task.run(x, y, z, block);
+                    return true;
                 }, extent instanceof EditSession ? (EditSession) extent : null);
                 Operations.completeBlindly(visitor);
             } else {
@@ -107,7 +104,6 @@ public class WorldCopyClipboard extends ReadOnlyClipboard {
                         int y = pos.getBlockY() - my;
                         int z = pos.getBlockZ() - mz;
                         if (region.contains(pos)) {
-//                            BlockState block = getBlockAbs(pos.getBlockX(), pos.getBlockY(), pos.getBlockZ());
                         	BaseBlock block = extent.getFullBlock(pos);
                             if (block.hasNbtData()) {
                                 Map<String, Tag> values = ReflectionUtils.getMap(block.getNbtData().getValue());
@@ -118,9 +114,8 @@ public class WorldCopyClipboard extends ReadOnlyClipboard {
                             if (!block.getBlockType().getMaterial().isAir()) {
                                 task.run(x, y, z, block);
                             }
-                        } else {
-//                            task.run(x, y, z, EditSession.nullBlock);
                         }
+
                         return true;
                     }
                 }, extent instanceof EditSession ? (EditSession) extent : null);
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCutClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCutClipboard.java
index 73d1fa467..c8512e8e8 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCutClipboard.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/WorldCutClipboard.java
@@ -25,6 +25,7 @@ public class WorldCutClipboard extends WorldCopyClipboard {
         return block;
     }
 
+    @Override
     public BaseBlock getBlockAbs(int x, int y, int z) {
         BaseBlock block = extent.getFullBlock(BlockVector3.at(x, y, z));
         extent.setBlock(x, y, z, BlockTypes.AIR.getDefaultState());
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/remap/RemappedClipboard.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/remap/RemappedClipboard.java
deleted file mode 100644
index 3f6fb01ab..000000000
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/remap/RemappedClipboard.java
+++ /dev/null
@@ -1,72 +0,0 @@
-package com.boydti.fawe.object.clipboard.remap;
-
-import com.boydti.fawe.jnbt.NBTStreamer;
-import com.boydti.fawe.object.clipboard.AbstractDelegateFaweClipboard;
-import com.boydti.fawe.object.clipboard.FaweClipboard;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
-import com.sk89q.worldedit.world.block.BlockStateHolder;
-
-// TODO FIXME
-public class RemappedClipboard extends AbstractDelegateFaweClipboard {
-    private final ClipboardRemapper remapper;
-
-    public RemappedClipboard(FaweClipboard parent, ClipboardRemapper remapper) {
-        super(parent);
-        this.remapper = remapper;
-    }
-
-    @Override
-    public BaseBlock getBlock(int x, int y, int z) {
-        return remapper.remap(super.getBlock(x, y, z));
-    }
-
-    @Override
-    public BaseBlock getBlock(int index) {
-        return remapper.remap(super.getBlock(index));
-    }
-
-    @Override
-    public void forEach(BlockReader task, boolean air) {
-        super.forEach(new BlockReader() {
-            @Override
-            public <B extends BlockStateHolder<B>> void run(int x, int y, int z, B block) {
-                task.run(x, y, z, remapper.remap(block));
-            }
-        }, air);
-    }
-
-    @Override
-    public void streamCombinedIds(NBTStreamer.ByteReader task) {
-        super.streamCombinedIds(task);
-    }
-//
-//    @Override
-//    public void streamIds(NBTStreamer.ByteReader task) {
-//        super.streamIds(new NBTStreamer.ByteReader() {
-//            @Override
-//            public void run(int index, int byteValue) {
-//                if (remapper.hasRemapId(byteValue)) {
-//                    int result = remapper.remapId(byteValue);
-//                    if (result != byteValue) {
-//                        task.run(index, result);
-//                    } else {
-//                        task.run(index, getBlock(index).getId());
-//                    }
-//                }
-//            }
-//        });
-//    }
-//
-//    @Override
-//    public void streamDatas(NBTStreamer.ByteReader task) {
-//        super.streamDatas(new NBTStreamer.ByteReader() {
-//            @Override
-//            public void run(int index, int byteValue) {
-//                if (remapper.hasRemapData(byteValue)) {
-//                    task.run(index, getBlock(index).getData());
-//                }
-//            }
-//        });
-//    }
-}
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/remap/WikiScraper.java b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/remap/WikiScraper.java
index c495ef909..80ef67d78 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/remap/WikiScraper.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/remap/WikiScraper.java
@@ -2,14 +2,18 @@ package com.boydti.fawe.object.clipboard.remap;
 
 
 import com.boydti.fawe.util.MainUtil;
+
 import com.google.common.io.Resources;
 import com.google.common.reflect.TypeToken;
 import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+
 import java.io.File;
 import java.io.IOException;
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.StandardOpenOption;
+import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -23,7 +27,7 @@ public class WikiScraper {
         Wiki(String url) {this.url = url;}
     }
 
-    private Map<Wiki, Map<String, Integer>> cache = new HashMap<>();
+    private EnumMap<Wiki, Map<String, Integer>> cache = new EnumMap<>(WikiScraper.Wiki.class);
 
     public Map<String, Integer> expand(Map<String, Integer> map) {
         HashMap<String, Integer> newMap = new HashMap<>(map);
@@ -50,8 +54,8 @@ public class WikiScraper {
                     String str = Resources.toString(file.toURL(), Charset.defaultCharset());
                     return gson.fromJson(str, new TypeToken<Map<String, Integer>>() {
                     }.getType());
-                } catch (Throwable ignore) {
-                    ignore.printStackTrace();
+                } catch (JsonSyntaxException | IOException e) {
+                    e.printStackTrace();
                 }
             }
             map = scrape(wiki);
@@ -94,15 +98,15 @@ public class WikiScraper {
             return map;
         } else {
             String header = wiki == Wiki.ITEM_MAPPINGS_PE ? "=== Item IDs ===" : "{{";
-            String footer = "{{-}}";
-            String prefix = "{{id table|";
 
             int headerIndex = text.indexOf(header);
             if (headerIndex == -1) return map;
+            String footer = "{{-}}";
             int endIndex = text.indexOf(footer, headerIndex);
             String part = text.substring(headerIndex, endIndex == -1 ? text.length() : endIndex);
 
             int id = 255;
+            String prefix = "{{id table|";
             for (String line : part.split("\n")) {
                 String lower = line.toLowerCase();
                 if (lower.startsWith(prefix)) {
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/collection/FastRandomCollection.java b/worldedit-core/src/main/java/com/boydti/fawe/object/collection/FastRandomCollection.java
index d82de44da..3ca33a53a 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/collection/FastRandomCollection.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/collection/FastRandomCollection.java
@@ -12,7 +12,7 @@ public class FastRandomCollection<T> extends RandomCollection<T> {
         super(weights, random);
         int max = 0;
         int[] counts = new int[weights.size()];
-        Double[] weightDoubles = weights.values().toArray(new Double[weights.size()]);
+        Double[] weightDoubles = weights.values().toArray(new Double[0]);
         for (int i = 0; i < weightDoubles.length; i++) {
             int weight = (int) (weightDoubles[i] * 100);
             counts[i] = weight;
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVector2DSet.java b/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVector2DSet.java
index 47b2f9749..f51d935c7 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVector2DSet.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVector2DSet.java
@@ -3,6 +3,7 @@ package com.boydti.fawe.object.collection;
 import com.boydti.fawe.util.MathMan;
 import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.MutableBlockVector2;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.Collection;
 import java.util.Iterator;
@@ -209,25 +210,16 @@ public class LocalBlockVector2DSet implements Set<BlockVector2> {
 
     @Override
     public boolean containsAll(Collection<?> c) {
-        for (Object o : c) {
-            if (!contains(o)) {
-                return false;
-            }
-        }
-        return true;
+        return c.stream().allMatch(this::contains);
     }
 
     @Override
     public boolean addAll(Collection<? extends BlockVector2> c) {
-        boolean result = false;
-        for (BlockVector2 v : c) {
-            result |= add(v);
-        }
-        return result;
+        return c.stream().map(this::add).reduce(false, (a, b) -> a || b);
     }
 
     @Override
-    public boolean retainAll(Collection<?> c) {
+    public boolean retainAll(@NotNull Collection<?> c) {
         boolean result = false;
         int size = size();
         int index = -1;
@@ -246,27 +238,7 @@ public class LocalBlockVector2DSet implements Set<BlockVector2> {
 
     @Override
     public boolean removeAll(Collection<?> c) {
-        boolean result = false;
-        for (Object o : c) {
-            result |= remove(o);
-        }
-        return result;
-    }
-
-    public void forEach(BlockVector2DSetVisitor visitor) {
-        int size = size();
-        int index = -1;
-        for (int i = 0; i < size; i++) {
-            index = set.nextSetBit(index + 1);
-            int x = MathMan.unpairSearchCoordsX(index);
-            int y = MathMan.unpairSearchCoordsY(index);
-            mutable.setComponents(x, y);
-            visitor.run(x, y, index);
-        }
-    }
-
-    public static abstract class BlockVector2DSetVisitor {
-        public abstract void run(int x, int y, int index);
+        return c.stream().map(this::remove).reduce(false, (a, b) -> a || b);
     }
 
     @Override
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVectorSet.java b/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVectorSet.java
index 0fe0d9f15..8faea1f83 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVectorSet.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/collection/LocalBlockVectorSet.java
@@ -322,8 +322,8 @@ public class LocalBlockVectorSet implements Set<BlockVector3> {
         }
     }
 
-    public static abstract class BlockVectorSetVisitor {
-        public abstract void run(int x, int y, int z, int index);
+    public interface BlockVectorSetVisitor {
+        void run(int x, int y, int z, int index);
     }
 
     @Override
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/MultiTransform.java b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/MultiTransform.java
index 95b652ecd..475a18a07 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/MultiTransform.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/MultiTransform.java
@@ -28,7 +28,7 @@ public class MultiTransform extends RandomTransform {
     @Override
     public void add(ResettableExtent extent, double chance) {
         super.add(extent, chance);
-        this.extents = getExtents().toArray(new ResettableExtent[getExtents().size()]);
+        this.extents = getExtents().toArray(new ResettableExtent[0]);
     }
 
     @Override
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/NullExtent.java b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/NullExtent.java
index 50f69f855..157064697 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/NullExtent.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/NullExtent.java
@@ -3,9 +3,8 @@ package com.boydti.fawe.object.extent;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.object.FaweLimit;
 import com.boydti.fawe.object.exception.FaweException;
+
 import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.Extent;
@@ -15,6 +14,8 @@ import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.world.biome.BiomeType;
+import com.sk89q.worldedit.world.block.BaseBlock;
+import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 
 import javax.annotation.Nullable;
@@ -44,7 +45,7 @@ public class NullExtent extends FaweRegionExtent {
     public NullExtent() {
         this(new com.sk89q.worldedit.extent.NullExtent(), FaweException.MANUAL);
     }
-    
+
     @Override
     public ResettableExtent setExtent(Extent extent) {
         return this;
@@ -54,72 +55,64 @@ public class NullExtent extends FaweRegionExtent {
     public BiomeType getBiome(final BlockVector2 arg0) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return null;
         }
+        return null;
     }
 
     @Override
     public BlockState getBlock(final BlockVector3 arg0) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return null;
         }
+        return null;
     }
 
     @Override
     public BlockState getBlock(int x, int y, int z) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return null;
         }
+        return null;
     }
 
     @Override
     public BaseBlock getFullBlock(int x, int y, int z) {
         if(reason != null) {
             throw reason;
-        }else {
-            return null;
         }
+        return null;
     }
 
     @Override
     public boolean setBiome(final BlockVector2 arg0, final BiomeType arg1) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return false;
         }
+        return false;
     }
 
     @Override
     public boolean setBlock(final BlockVector3 arg0, final BlockStateHolder arg1) throws WorldEditException {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return false;
         }
+        return false;
     }
 
     @Override
     public boolean setBlock(int x, int y, int z, BlockStateHolder block) throws WorldEditException {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return false;
         }
+        return false;
     }
 
     @Override
     public Entity createEntity(final Location arg0, final BaseEntity arg1) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return null;
         }
+        return null;
     }
 
     @Override
@@ -134,30 +127,28 @@ public class NullExtent extends FaweRegionExtent {
 
     @Override
     public BlockVector3 getMaximumPoint() {
-        return BlockVector3.at(0, 0, 0);
+        return BlockVector3.ZERO;
     }
 
     @Override
     public BlockVector3 getMinimumPoint() {
-        return BlockVector3.at(0, 0, 0);
+        return BlockVector3.ZERO;
     }
 
     @Override
     public boolean contains(int x, int z) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return false;
         }
+        return false;
     }
 
     @Override
     public boolean contains(int x, int y, int z) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return false;
         }
+        return false;
     }
 
     @Override
@@ -165,11 +156,6 @@ public class NullExtent extends FaweRegionExtent {
         return Collections.emptyList();
     }
 
-    @Override
-    protected Operation commitBefore() {
-        return null;
-    }
-
     @Nullable
     @Override
     public Operation commit() {
@@ -180,27 +166,24 @@ public class NullExtent extends FaweRegionExtent {
     public int getNearestSurfaceLayer(int x, int z, int y, int minY, int maxY) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return -1;
         }
+        return -1;
     }
 
     @Override
     public int getNearestSurfaceTerrainBlock(int x, int z, int y, int minY, int maxY) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return -1;
         }
+        return -1;
     }
 
     @Override
     public int getNearestSurfaceTerrainBlock(int x, int z, int y, int minY, int maxY, int failedMin, int failedMax) {
         if(reason != null) {
         	throw reason;
-        }else {
-        	return -1;
         }
+        return -1;
     }
 
     @Override
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java
index 3584098d5..3aa689ada 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java
@@ -4,9 +4,8 @@ import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.object.FaweLimit;
 import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.WEManager;
+
 import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.AbstractDelegateExtent;
@@ -16,6 +15,8 @@ import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.world.biome.BiomeType;
+import com.sk89q.worldedit.world.block.BaseBlock;
+import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/StripNBTExtent.java b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/StripNBTExtent.java
index 0d69f4259..9ad71eefb 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/extent/StripNBTExtent.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/extent/StripNBTExtent.java
@@ -30,7 +30,7 @@ public class StripNBTExtent extends AbstractDelegateExtent {
      */
     public StripNBTExtent(Extent extent, Set<String> strip) {
         super(extent);
-        this.strip = strip.toArray(new String[strip.size()]);
+        this.strip = strip.toArray(new String[0]);
     }
 
     @Override
@@ -60,7 +60,7 @@ public class StripNBTExtent extends AbstractDelegateExtent {
         }
         return (B) localBlock;
     }
-    
+
     public <T extends NbtValued> T stripEntityNBT(T entity) {
         if (!entity.hasNbtData()) return entity;
         CompoundTag nbt = entity.getNbtData();
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/AngleMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/AngleMask.java
index b1f00b91c..430651602 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/AngleMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/AngleMask.java
@@ -1,13 +1,11 @@
 package com.boydti.fawe.object.mask;
 
 import com.sk89q.worldedit.extent.Extent;
-import com.sk89q.worldedit.function.mask.Mask2D;
 import com.sk89q.worldedit.function.mask.SolidBlockMask;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.math.MutableBlockVector3;
 
 import java.util.Arrays;
-import javax.annotation.Nullable;
 
 public class AngleMask extends SolidBlockMask implements ResettableMask {
     public static double ADJACENT_MOD = 0.5;
@@ -160,9 +158,4 @@ public class AngleMask extends SolidBlockMask implements ResettableMask {
         return testSlope(x, y, z);
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BlockLightMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BlockLightMask.java
index dfab059a2..815a7fc2c 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BlockLightMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BlockLightMask.java
@@ -28,9 +28,4 @@ public class BlockLightMask extends AbstractExtentMask {
         return false;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BrightnessMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BrightnessMask.java
index 099a47b2f..9b08f93c0 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BrightnessMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/BrightnessMask.java
@@ -1,13 +1,11 @@
 package com.boydti.fawe.object.mask;
 
 import com.boydti.fawe.object.extent.LightingExtent;
+
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.function.mask.AbstractExtentMask;
-import com.sk89q.worldedit.function.mask.Mask2D;
 import com.sk89q.worldedit.math.BlockVector3;
 
-import javax.annotation.Nullable;
-
 public class BrightnessMask extends AbstractExtentMask {
 
     private final int min, max;
@@ -28,9 +26,4 @@ public class BrightnessMask extends AbstractExtentMask {
         return false;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/DataMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/DataMask.java
index f98776e89..2d1e3ae9e 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/DataMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/DataMask.java
@@ -2,11 +2,8 @@ package com.boydti.fawe.object.mask;
 
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.function.mask.AbstractExtentMask;
-import com.sk89q.worldedit.function.mask.Mask2D;
 import com.sk89q.worldedit.math.BlockVector3;
 
-import javax.annotation.Nullable;
-
 public class DataMask extends AbstractExtentMask implements ResettableMask {
 
     public DataMask(Extent extent) {
@@ -31,9 +28,4 @@ public class DataMask extends AbstractExtentMask implements ResettableMask {
         this.data = -1;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdDataMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdDataMask.java
index 69274c22f..2782dc5a4 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdDataMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdDataMask.java
@@ -1,13 +1,9 @@
 package com.boydti.fawe.object.mask;
 
-import com.boydti.fawe.FaweCache;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.function.mask.AbstractExtentMask;
-import com.sk89q.worldedit.function.mask.Mask2D;
 import com.sk89q.worldedit.math.BlockVector3;
 
-import javax.annotation.Nullable;
-
 public class IdDataMask extends AbstractExtentMask implements ResettableMask {
     private transient int combined = -1;
 
@@ -31,9 +27,4 @@ public class IdDataMask extends AbstractExtentMask implements ResettableMask {
         this.combined = -1;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdMask.java
index 7070f3cbe..38b0d8b7c 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/IdMask.java
@@ -31,9 +31,4 @@ public class IdMask extends AbstractExtentMask implements ResettableMask {
         this.id = -1;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/LightMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/LightMask.java
index 1ebbfbce1..8489124ec 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/LightMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/LightMask.java
@@ -27,9 +27,4 @@ public class LightMask extends AbstractExtentMask {
         return false;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
-}
\ No newline at end of file
+}
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/OpacityMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/OpacityMask.java
index 7279b8b1a..8d35f884e 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/OpacityMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/OpacityMask.java
@@ -27,9 +27,4 @@ public class OpacityMask extends AbstractExtentMask {
         return false;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/PlaneMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/PlaneMask.java
index f0f9c3fe1..ba22cbe75 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/PlaneMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/PlaneMask.java
@@ -61,9 +61,4 @@ public class PlaneMask extends AbstractMask implements ResettableMask {
         mode = -1;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/RadiusMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/RadiusMask.java
index 5759aabba..0ece9ff56 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/RadiusMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/RadiusMask.java
@@ -44,9 +44,4 @@ public class RadiusMask extends AbstractMask implements ResettableMask {
         return true;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SkyLightMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SkyLightMask.java
index 8b796d3ac..3be2f710f 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SkyLightMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SkyLightMask.java
@@ -27,9 +27,4 @@ public class SkyLightMask extends AbstractExtentMask {
         return false;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
-}
\ No newline at end of file
+}
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SolidPlaneMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SolidPlaneMask.java
index 04baace03..98d505069 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SolidPlaneMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/SolidPlaneMask.java
@@ -88,9 +88,4 @@ public class SolidPlaneMask extends SolidBlockMask implements ResettableMask {
         mutable = new MutableBlockVector3();
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/XAxisMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/XAxisMask.java
index 44e1a3263..109eea2f3 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/XAxisMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/XAxisMask.java
@@ -26,9 +26,4 @@ public class XAxisMask extends AbstractMask implements ResettableMask {
         this.layer = -1;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/YAxisMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/YAxisMask.java
index 2d333cb5f..239adec59 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/YAxisMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/YAxisMask.java
@@ -1,11 +1,8 @@
 package com.boydti.fawe.object.mask;
 
 import com.sk89q.worldedit.function.mask.AbstractMask;
-import com.sk89q.worldedit.function.mask.Mask2D;
 import com.sk89q.worldedit.math.BlockVector3;
 
-import javax.annotation.Nullable;
-
 /**
  * Restricts the
  */
@@ -26,9 +23,4 @@ public class YAxisMask extends AbstractMask implements ResettableMask {
         this.layer = -1;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/ZAxisMask.java b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/ZAxisMask.java
index 15dd3cb36..cf8c082df 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/mask/ZAxisMask.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/mask/ZAxisMask.java
@@ -26,9 +26,4 @@ public class ZAxisMask extends AbstractMask implements ResettableMask {
         this.layer = -1;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/progress/ChatProgressTracker.java b/worldedit-core/src/main/java/com/boydti/fawe/object/progress/ChatProgressTracker.java
index 1c6b3a908..ae2fcf752 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/progress/ChatProgressTracker.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/progress/ChatProgressTracker.java
@@ -9,18 +9,8 @@ public class ChatProgressTracker extends DefaultProgressTracker {
         setInterval(getDelay() / 50);
     }
 
-    @Override
-    public void sendTask() {
-        super.sendTask();
-    }
-
-    @Override
-    public void doneTask() {
-        super.doneTask();
-    }
-
     @Override
     public void sendTile(String title, String sub) {
         getPlayer().sendMessage(BBC.getPrefix() + title + sub);
     }
-}
\ No newline at end of file
+}
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/regions/PolyhedralRegion.java b/worldedit-core/src/main/java/com/boydti/fawe/object/regions/PolyhedralRegion.java
index 28ec2681b..0df9a9594 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/regions/PolyhedralRegion.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/regions/PolyhedralRegion.java
@@ -159,7 +159,7 @@ public class PolyhedralRegion extends AbstractRegion {
 
             case 3:
                 // Generate minimal mesh to start from
-                final BlockVector3[] v = vertices.toArray(new BlockVector3[vertices.size()]);
+                final BlockVector3[] v = vertices.toArray(new BlockVector3[0]);
 
                 triangles.add((new Triangle(v[0], v[size - 2], v[size - 1])));
                 triangles.add((new Triangle(v[0], v[size - 1], v[size - 2])));
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/schematic/StructureFormat.java b/worldedit-core/src/main/java/com/boydti/fawe/object/schematic/MinecraftStructure.java
similarity index 92%
rename from worldedit-core/src/main/java/com/boydti/fawe/object/schematic/StructureFormat.java
rename to worldedit-core/src/main/java/com/boydti/fawe/object/schematic/MinecraftStructure.java
index 89838bad3..6029d2b85 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/schematic/StructureFormat.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/schematic/MinecraftStructure.java
@@ -3,18 +3,8 @@ package com.boydti.fawe.object.schematic;
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.util.ReflectionUtils;
-import com.sk89q.jnbt.CompoundTag;
-import com.sk89q.jnbt.DoubleTag;
-import com.sk89q.jnbt.FloatTag;
-import com.sk89q.jnbt.IntTag;
-import com.sk89q.jnbt.ListTag;
-import com.sk89q.jnbt.NBTInputStream;
-import com.sk89q.jnbt.NBTOutputStream;
-import com.sk89q.jnbt.NamedTag;
-import com.sk89q.jnbt.StringTag;
-import com.sk89q.jnbt.Tag;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
+
+import com.sk89q.jnbt.*;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
@@ -28,14 +18,15 @@ import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.registry.state.AbstractProperty;
 import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.util.Location;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
 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.entity.EntityTypes;
-import com.sk89q.worldedit.world.registry.BundledBlockData;
 import com.sk89q.worldedit.world.storage.NBTConversions;
 import it.unimi.dsi.fastutil.ints.Int2ObjectArrayMap;
+import org.jetbrains.annotations.NotNull;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -45,17 +36,17 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
-public class StructureFormat implements ClipboardReader, ClipboardWriter {
+public class MinecraftStructure implements ClipboardReader, ClipboardWriter {
     private static final int WARN_SIZE = 32;
 
-    private NBTInputStream in;
+    private NBTInputStream inputStream;
     private NBTOutputStream out;
 
-    public StructureFormat(NBTInputStream in) {
-        this.in = in;
+    public MinecraftStructure(@NotNull NBTInputStream inputStream) {
+        this.inputStream = inputStream;
     }
 
-    public StructureFormat(NBTOutputStream out) {
+    public MinecraftStructure(NBTOutputStream out) {
         this.out = out;
     }
 
@@ -65,10 +56,13 @@ public class StructureFormat implements ClipboardReader, ClipboardWriter {
     }
 
     public Clipboard read(UUID clipboardId) throws IOException {
-        NamedTag rootTag = in.readNamedTag();
-        if (!rootTag.getName().equals("")) {
-            throw new IOException("Root tag does not exist or is not first");
+        NamedTag rootTag = inputStream.readNamedTag();
+
+        // MC structures are all unnamed, but this doesn't seem to be necessary? might remove this later
+        if (!rootTag.getName().isEmpty()) {
+            throw new IOException("Root tag has name - are you sure this is a structure?");
         }
+
         Map<String, Tag> tags = ((CompoundTag) rootTag.getTag()).getValue();
 
         ListTag size = (ListTag) tags.get("size");
@@ -258,8 +252,8 @@ public class StructureFormat implements ClipboardReader, ClipboardWriter {
 
     @Override
     public void close() throws IOException {
-        if (in != null) {
-            in.close();
+        if (inputStream != null) {
+            inputStream.close();
         }
         if (out != null) {
             out.close();
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/object/visitor/FaweChunkVisitor.java b/worldedit-core/src/main/java/com/boydti/fawe/object/visitor/FaweChunkVisitor.java
index 07e0cbdc5..33a535303 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/object/visitor/FaweChunkVisitor.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/object/visitor/FaweChunkVisitor.java
@@ -1,13 +1,13 @@
 package com.boydti.fawe.object.visitor;
 
-public abstract class FaweChunkVisitor {
+public interface FaweChunkVisitor {
     /**
      * The will run for each set block in the chunk
      *
-     * @param localX   The x position in the chunk (0-15)
-     * @param y        The y position (0 - 255)
-     * @param localZ   The z position in the chunk (0-15)
+     * @param localX The x position in the chunk (0-15)
+     * @param y The y position (0 - 255)
+     * @param localZ The z position in the chunk (0-15)
      * @param combined The combined id
      */
-    public abstract void run(int localX, int y, int localZ, int combined);
+    void run(int localX, int y, int localZ, int combined);
 }
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/regions/general/plot/PlotTrim.java b/worldedit-core/src/main/java/com/boydti/fawe/regions/general/plot/PlotTrim.java
index 2bb7aa619..c859b84ca 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/regions/general/plot/PlotTrim.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/regions/general/plot/PlotTrim.java
@@ -8,6 +8,7 @@ import com.boydti.fawe.object.FaweQueue;
 import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.util.MathMan;
 import com.boydti.fawe.util.SetQueue;
+
 import com.github.intellectualsites.plotsquared.plot.PlotSquared;
 import com.github.intellectualsites.plotsquared.plot.object.ChunkLoc;
 import com.github.intellectualsites.plotsquared.plot.object.Location;
@@ -15,6 +16,7 @@ import com.github.intellectualsites.plotsquared.plot.object.Plot;
 import com.github.intellectualsites.plotsquared.plot.object.PlotArea;
 import com.github.intellectualsites.plotsquared.plot.object.PlotPlayer;
 import com.github.intellectualsites.plotsquared.plot.util.expiry.ExpireManager;
+import static com.google.common.base.Preconditions.checkNotNull;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
 import java.io.File;
@@ -26,25 +28,20 @@ import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
 public class PlotTrim {
     private final MCAQueue queue;
     private final PlotArea area;
     private final PlotPlayer player;
     private final MCAQueue originalQueue;
     private final File root;
-    private final File originalRoot;
     private int[][] ids;
-    private boolean deleteUnowned = true;
+    private boolean deleteUnowned;
 
     public PlotTrim(PlotPlayer player, PlotArea area, String worldName, boolean deleteUnowned) {
         FaweQueue tmpQueue = SetQueue.IMP.getNewQueue(worldName, true, false);
         File saveFolder = tmpQueue.getSaveFolder();
         this.root = new File(saveFolder.getParentFile().getParentFile(), worldName + "-Copy" + File.separator + "region");
-        this.originalRoot = saveFolder;
-        this.originalQueue = new MCAQueue(worldName, originalRoot, true);
+        this.originalQueue = new MCAQueue(worldName, saveFolder, true);
         this.queue = new MCAQueue(worldName + "-Copy", root, true);
         this.area = area;
         this.player = player;
@@ -124,10 +121,7 @@ public class PlotTrim {
             @Override
             public boolean appliesFile(int mcaX, int mcaZ) {
                 ChunkLoc loc = new ChunkLoc(mcaX, mcaZ);
-                if (mcas.contains(loc)) {
-                    return false;
-                }
-                return true;
+                return !mcas.contains(loc);
             }
 
             @Override
@@ -155,11 +149,6 @@ public class PlotTrim {
                 }
             }
 
-            @Override
-            public boolean appliesChunk(int cx, int cz) {
-                return true;
-            }
-
             @Override
             public MCAChunk applyChunk(MCAChunk chunk, Object ignore) {
                 long pair = MathMan.pairInt(chunk.getX(), chunk.getZ());
@@ -181,8 +170,6 @@ public class PlotTrim {
         player.sendMessage("Done!");
     }
 
-    private int count = 0;
-
     private boolean isEqual(int[] a, int[] b) {
         if (a == b) {
             return true;
diff --git a/worldedit-core/src/main/java/com/boydti/fawe/wrappers/WorldWrapper.java b/worldedit-core/src/main/java/com/boydti/fawe/wrappers/WorldWrapper.java
index 476483d99..d90d93b1d 100644
--- a/worldedit-core/src/main/java/com/boydti/fawe/wrappers/WorldWrapper.java
+++ b/worldedit-core/src/main/java/com/boydti/fawe/wrappers/WorldWrapper.java
@@ -2,7 +2,10 @@ package com.boydti.fawe.wrappers;
 
 import com.boydti.fawe.object.RunnableVal;
 import com.boydti.fawe.util.TaskManager;
-import com.sk89q.worldedit.*;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.MaxChangedBlocksException;
+import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItem;
 import com.sk89q.worldedit.blocks.BaseItemStack;
 import com.sk89q.worldedit.entity.BaseEntity;
@@ -28,7 +31,6 @@ import com.sk89q.worldedit.world.weather.WeatherType;
 
 import javax.annotation.Nullable;
 import java.util.List;
-import java.util.function.Supplier;
 
 public class WorldWrapper extends AbstractWorld {
 
@@ -99,7 +101,7 @@ public class WorldWrapper extends AbstractWorld {
 
     @Override
     public boolean generateTree(TreeGenerator.TreeType type, EditSession editSession, BlockVector3 position) throws MaxChangedBlocksException {
-        return TaskManager.IMP.sync((Supplier<Boolean>) () -> {
+        return TaskManager.IMP.sync(() -> {
             try {
                 return parent.generateTree(type, editSession, position);
             } catch (MaxChangedBlocksException e) {
diff --git a/worldedit-core/src/main/java/com/sk89q/jnbt/NBTInputStream.java b/worldedit-core/src/main/java/com/sk89q/jnbt/NBTInputStream.java
index f7541d72d..13055e536 100644
--- a/worldedit-core/src/main/java/com/sk89q/jnbt/NBTInputStream.java
+++ b/worldedit-core/src/main/java/com/sk89q/jnbt/NBTInputStream.java
@@ -50,9 +50,8 @@ public final class NBTInputStream implements Closeable {
      * from the specified input stream.
      *
      * @param is the input stream
-     * @throws IOException if an I/O error occurs
      */
-    public NBTInputStream(InputStream is) throws IOException {
+    public NBTInputStream(InputStream is) {
         this.is = new DataInputStream(is);
     }
 
@@ -152,39 +151,21 @@ public final class NBTInputStream implements Closeable {
                 if (reader instanceof NBTStreamer.ByteReader) {
                     NBTStreamer.ByteReader byteReader = (NBTStreamer.ByteReader) reader;
                     int i = 0;
-                    if (is instanceof InputStream) {
-                        DataInputStream dis = is;
-                        if (length > 1024) {
-                            if (buf == null) {
-                                buf = new byte[1024];
-                            }
-                            int left = length;
-                            for (; left > 1024; left -= 1024) {
-                                dis.readFully(buf);
-                                for (byte b : buf) {
-                                    byteReader.run(i++, b & 0xFF);
-                                }
+                    DataInputStream dis = is;
+                    if (length > 1024) {
+                        if (buf == null) {
+                            buf = new byte[1024];
+                        }
+                        int left = length;
+                        for (; left > 1024; left -= 1024) {
+                            dis.readFully(buf);
+                            for (byte b : buf) {
+                                byteReader.run(i++, b & 0xFF);
                             }
                         }
-                        for (; i < length; i++) {
-                            byteReader.run(i, dis.read());
-                        }
-                    } else {
-                        if (length > 1024) {
-                            if (buf == null) {
-                                buf = new byte[1024];
-                            }
-                            int left = length;
-                            for (; left > 1024; left -= 1024) {
-                                is.readFully(buf);
-                                for (byte b : buf) {
-                                    byteReader.run(i++, b & 0xFF);
-                                }
-                            }
-                        }
-                        for (; i < length; i++) {
-                            byteReader.run(i, is.readByte() & 0xFF);
-                        }
+                    }
+                    for (; i < length; i++) {
+                        byteReader.run(i, dis.read());
                     }
                 } else if (reader instanceof NBTStreamer.LazyReader) {
                     reader.accept(length, is);
@@ -382,7 +363,7 @@ public final class NBTInputStream implements Closeable {
                     int toRead = Math.min(length << 2, buf.length);
                     is.readFully(buf, 0, toRead);
                     for (int i = 0; i < toRead; i += 4, index++) {
-                        data[index] = ((buf[i + 0] & 0xFF) << 24) + ((buf[i + 1] & 0xFF) << 16) + ((buf[i + 2] & 0xFF) << 8) + (buf[i + 3] & 0xFF);
+                        data[index] = ((buf[i] & 0xFF) << 24) + ((buf[i + 1] & 0xFF) << 16) + ((buf[i + 2] & 0xFF) << 8) + (buf[i + 3] & 0xFF);
                     }
                     length -= toRead;
                 }
@@ -583,7 +564,7 @@ public final class NBTInputStream implements Closeable {
 
     @Override
     public void close() throws IOException {
-        if (is instanceof AutoCloseable) {
+        if (is != null) {
             try {
                 ((AutoCloseable) is).close();
             } catch (Exception e) {
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java b/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
index 035797f12..ff7b44b35 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
@@ -132,6 +132,7 @@ import com.sk89q.worldedit.regions.shape.RegionShape;
 import com.sk89q.worldedit.regions.shape.WorldEditExpressionEnvironment;
 import com.sk89q.worldedit.util.Countable;
 import com.sk89q.worldedit.util.Direction;
+import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.util.TreeGenerator;
 import com.sk89q.worldedit.util.eventbus.EventBus;
 import com.sk89q.worldedit.world.SimpleWorld;
@@ -150,6 +151,7 @@ import org.slf4j.LoggerFactory;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -579,9 +581,9 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     }
 
     public @Nullable ResettableExtent getTransform() {
-        ExtentTraverser<AbstractDelegateExtent> traverser = new ExtentTraverser(getExtent()).find(ResettableExtent.class);
+        ExtentTraverser<ResettableExtent> traverser = new ExtentTraverser(getExtent()).find(ResettableExtent.class);
         if (traverser != null) {
-            return (ResettableExtent) traverser.get();
+            return traverser.get();
         }
         return null;
     }
@@ -691,8 +693,8 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         ExtentTraverser traverseHistory = new ExtentTraverser(getExtent()).find(HistoryExtent.class);
         if (disableHistory) {
             if (traverseHistory != null && traverseHistory.exists()) {
-                ExtentTraverser beforeHistory = traverseHistory.previous();
-                ExtentTraverser afterHistory = traverseHistory.next();
+                ExtentTraverser<HistoryExtent> beforeHistory = traverseHistory.previous();
+                ExtentTraverser<HistoryExtent> afterHistory = traverseHistory.next();
                 if (beforeHistory != null && beforeHistory.exists()) {
                     beforeHistory.setNext(afterHistory.get());
                 } else {
@@ -702,7 +704,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         } else if (traverseHistory == null || !traverseHistory.exists()) {
             ExtentTraverser traverseBypass = new ExtentTraverser(getExtent()).find(bypassHistory);
             if (traverseBypass != null) {
-                ExtentTraverser beforeHistory = traverseBypass.previous();
+                ExtentTraverser<AbstractDelegateExtent> beforeHistory = traverseBypass.previous();
                 beforeHistory.setNext(history);
             }
         }
@@ -749,12 +751,12 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      *
      * @return a map of missing blocks
      */
-    public Map<com.sk89q.worldedit.world.block.BlockType, Integer> popMissingBlocks() {
+    public Map<BlockType, Integer> popMissingBlocks() {
         BlockBag bag = getBlockBag();
         if (bag != null) {
             bag.flushChanges();
 
-            Map<com.sk89q.worldedit.world.block.BlockType, Integer> missingBlocks;
+            Map<BlockType, Integer> missingBlocks;
             ChangeSet changeSet = getChangeSet();
 
 
@@ -1028,7 +1030,6 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         }
     }
 
-    @SuppressWarnings("deprecation")
     public boolean setBlock(final BlockVector3 position, final Pattern pattern) {
         this.changes++;
         try {
@@ -1038,7 +1039,6 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         }
     }
 
-    @SuppressWarnings("deprecation")
     public int setBlocks(final Set<BlockVector3> vset, final Pattern pattern) {
         RegionVisitor visitor = new RegionVisitor(vset, new BlockReplace(getExtent(), pattern), this);
         Operations.completeBlindly(visitor);
@@ -1199,7 +1199,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         if (used.MAX_FAILS > 0) {
             if (used.MAX_CHANGES > 0 || used.MAX_ENTITIES > 0) {
                 BBC.WORLDEDIT_SOME_FAILS.send(player, used.MAX_FAILS);
-            } else if (new ExtentTraverser(this).findAndGet(FaweRegionExtent.class) != null){
+            } else if (new ExtentTraverser<>(this).findAndGet(FaweRegionExtent.class) != null){
                 BBC.WORLDEDIT_CANCEL_REASON_OUTSIDE_REGION.send(player);
             } else {
                 BBC.WORLDEDIT_CANCEL_REASON_OUTSIDE_LEVEL.send(player);
@@ -1239,12 +1239,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         }
         if (searchIDs.size() == 1) {
             final BlockType id = searchIDs.iterator().next();
-            RegionVisitor visitor = new RegionVisitor(region, new RegionFunction() {
-                @Override
-                public boolean apply(BlockVector3 position) throws WorldEditException {
-                    return getBlockType(position) == id;
-                }
-            }, this);
+            RegionVisitor visitor = new RegionVisitor(region, position -> getBlockType(position) == id, this);
             Operations.completeBlindly(visitor);
             return visitor.getAffected();
         }
@@ -1256,23 +1251,13 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     }
 
     public int countBlock(final Region region, final boolean[] ids) {
-        RegionVisitor visitor = new RegionVisitor(region, new RegionFunction() {
-            @Override
-            public boolean apply(BlockVector3 position) throws WorldEditException {
-                return ids[getBlockType(position).getInternalId()];
-            }
-        }, this);
+        RegionVisitor visitor = new RegionVisitor(region, position -> ids[getBlockType(position).getInternalId()], this);
         Operations.completeBlindly(visitor);
         return visitor.getAffected();
     }
 
     public int countBlock(final Region region, final Mask mask) {
-        RegionVisitor visitor = new RegionVisitor(region, new RegionFunction() {
-            @Override
-            public boolean apply(BlockVector3 position) throws WorldEditException {
-                return mask.test(position);
-            }
-        }, this);
+        RegionVisitor visitor = new RegionVisitor(region, mask::test, this);
         Operations.completeBlindly(visitor);
         return visitor.getAffected();
     }
@@ -1286,12 +1271,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      */
     public int countBlocks(Region region, Set<BlockStateHolder> searchBlocks) {
         Mask mask = new BlockMaskBuilder().addBlocks(searchBlocks).build(getExtent());
-        RegionVisitor visitor = new RegionVisitor(region, new RegionFunction() {
-            @Override
-            public boolean apply(BlockVector3 position) throws WorldEditException {
-                return mask.test(position);
-            }
-        }, this);
+        RegionVisitor visitor = new RegionVisitor(region, mask::test, this);
         Operations.completeBlindly(visitor);
         return visitor.getAffected();
     }
@@ -1301,30 +1281,27 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         final int startPerformY = region.getMinimumPoint().getBlockY();
         final int startCheckY = fullHeight ? 0 : startPerformY;
         final int endY = region.getMaximumPoint().getBlockY();
-        RegionVisitor visitor = new RegionVisitor(flat, new RegionFunction() {
-            @Override
-            public boolean apply(BlockVector3 pos) throws WorldEditException {
-                int x = pos.getBlockX();
-                int z = pos.getBlockZ();
-                int freeSpot = startCheckY;
-                for (int y = startCheckY; y <= endY; y++) {
-                    if (y < startPerformY) {
-                        if (!getBlockType(x, y, z).getMaterial().isAir()) {
-                            freeSpot = y + 1;
-                        }
-                        continue;
-                    }
-                    BlockType block = getBlockType(x, y, z);
-                    if (!block.getMaterial().isAir()) {
-                        if (freeSpot != y) {
-                            setBlock(x, freeSpot, z, block);
-                            setBlock(x, y, z, replace);
-                        }
-                        freeSpot++;
+        RegionVisitor visitor = new RegionVisitor(flat, pos -> {
+            int x = pos.getBlockX();
+            int z = pos.getBlockZ();
+            int freeSpot = startCheckY;
+            for (int y = startCheckY; y <= endY; y++) {
+                if (y < startPerformY) {
+                    if (!getBlockType(x, y, z).getMaterial().isAir()) {
+                        freeSpot = y + 1;
                     }
+                    continue;
+                }
+                BlockType block = getBlockType(x, y, z);
+                if (!block.getMaterial().isAir()) {
+                    if (freeSpot != y) {
+                        setBlock(x, freeSpot, z, block);
+                        setBlock(x, y, z, replace);
+                    }
+                    freeSpot++;
                 }
-                return true;
             }
+            return true;
         }, this);
         Operations.completeBlindly(visitor);
         return this.changes;
@@ -1605,7 +1582,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      * returned by a given pattern.
      *
      * @param region the region to replace the blocks within
-     * @param filter a list of block types to match, or null to use {@link com.sk89q.worldedit.function.mask.ExistingBlockMask}
+     * @param filter a list of block types to match, or null to use {@link ExistingBlockMask}
      * @param replacement the replacement block
      * @return number of blocks affected
      * @throws MaxChangedBlocksException thrown if too many blocks are changed
@@ -1619,7 +1596,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      * returned by a given pattern.
      *
      * @param region the region to replace the blocks within
-     * @param filter a list of block types to match, or null to use {@link com.sk89q.worldedit.function.mask.ExistingBlockMask}
+     * @param filter a list of block types to match, or null to use {@link ExistingBlockMask}
      * @param pattern the pattern that provides the new blocks
      * @return number of blocks affected
      * @throws MaxChangedBlocksException thrown if too many blocks are changed
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/LocalSession.java b/worldedit-core/src/main/java/com/sk89q/worldedit/LocalSession.java
index e46ea7b44..c53362cad 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/LocalSession.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/LocalSession.java
@@ -1068,7 +1068,7 @@ public class LocalSession implements TextureHolder {
                 }
             }
         }
-        if (previous != null && player != null && previous instanceof BrushTool) {
+        if (player != null && previous instanceof BrushTool) {
             BrushTool brushTool = (BrushTool) previous;
             brushTool.clear(player);
         }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java b/worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java
index 54ef32531..3042aece0 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/command/ClipboardCommands.java
@@ -36,11 +36,14 @@ import com.boydti.fawe.util.ImgurUtility;
 import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.util.MaskTraverser;
 
+import static com.google.common.base.Preconditions.checkNotNull;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandException;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
 import com.sk89q.minecraft.util.commands.Logging;
+import static com.sk89q.minecraft.util.commands.Logging.LogMode.PLACEMENT;
+import static com.sk89q.minecraft.util.commands.Logging.LogMode.REGION;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalConfiguration;
 import com.sk89q.worldedit.LocalSession;
@@ -86,10 +89,6 @@ import java.util.Set;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
-import static com.google.common.base.Preconditions.checkNotNull;
-import static com.sk89q.minecraft.util.commands.Logging.LogMode.PLACEMENT;
-import static com.sk89q.minecraft.util.commands.Logging.LogMode.REGION;
-
 
 /**
  * Clipboard commands.
@@ -132,9 +131,6 @@ public class ClipboardCommands extends MethodCommands {
         }
         session.setClipboard(null);
         final BlockVector3 origin = region.getMinimumPoint();
-        final int mx = origin.getBlockX();
-        final int my = origin.getBlockY();
-        final int mz = origin.getBlockZ();
         ReadOnlyClipboard lazyClipboard = ReadOnlyClipboard.of(editSession, region, !skipEntities, copyBiomes);
 
         BlockArrayClipboard clipboard = new BlockArrayClipboard(region, lazyClipboard);
@@ -152,7 +148,7 @@ public class ClipboardCommands extends MethodCommands {
             desc = "Copy the selection to the clipboard",
             help = "Copy the selection to the clipboard\n" +
                     "Flags:\n" +
-                    "  -e skips copying entities\n" +
+                    "  -e will also copy entities\n" +
                     "  -m sets a source mask so that excluded blocks become air\n" +
                     "  -b copies biomes\n" +
                     "WARNING: Pasting entities cannot yet be undone!",
@@ -161,7 +157,7 @@ public class ClipboardCommands extends MethodCommands {
     )
     @CommandPermissions("worldedit.clipboard.copy")
     public void copy(FawePlayer fp, Player player, LocalSession session, EditSession editSession,
-                     @Selection Region region, @Switch('e') boolean skipEntities,
+                     @Selection Region region, @Switch('e') boolean copyEntities,
                      @Switch('m') Mask mask, CommandContext context, @Switch('b') boolean copyBiomes) throws WorldEditException {
     	BlockVector3 min = region.getMinimumPoint();
     	BlockVector3 max = region.getMaximumPoint();
@@ -173,12 +169,14 @@ public class ClipboardCommands extends MethodCommands {
         BlockVector3 pos = session.getPlacementPosition(player);
         fp.checkConfirmationRegion(() -> {
             session.setClipboard(null);
+
             BlockArrayClipboard clipboard = new BlockArrayClipboard(region, player.getUniqueId());
+
             session.setClipboard(new ClipboardHolder(clipboard));
 
             clipboard.setOrigin(pos);
             ForwardExtentCopy copy = new ForwardExtentCopy(editSession, region, clipboard, region.getMinimumPoint());
-            copy.setCopyingEntities(!skipEntities);
+            copy.setCopyingEntities(copyEntities);
             copy.setCopyBiomes(copyBiomes);
             Mask sourceMask = editSession.getSourceMask();
             if (sourceMask != null) {
@@ -225,9 +223,6 @@ public class ClipboardCommands extends MethodCommands {
         }
         session.setClipboard(null);
         final BlockVector3 origin = region.getMinimumPoint();
-        final int mx = origin.getBlockX();
-        final int my = origin.getBlockY();
-        final int mz = origin.getBlockZ();
         ReadOnlyClipboard lazyClipboard = new WorldCutClipboard(editSession, region, !skipEntities, copyBiomes);
         BlockArrayClipboard clipboard = new BlockArrayClipboard(region, lazyClipboard);
         clipboard.setOrigin(session.getPlacementPosition(player));
@@ -242,8 +237,8 @@ public class ClipboardCommands extends MethodCommands {
         desc = "Cut the selection to the clipboard",
         help = "Copy the selection to the clipboard\n" +
                 "Flags:\n" +
-                "  -e skips entity copy\n" +
-                "  -m sets a source mask so that excluded blocks become air\n" +
+                "  -e will also cut entities\n" +
+                "  -m <mask> sets a source mask so that excluded blocks become air\n" +
                 "  -b copies biomes\n" +
                 "WARNING: Cutting and pasting entities cannot yet be undone!",
         max = 1
@@ -251,7 +246,7 @@ public class ClipboardCommands extends MethodCommands {
     @CommandPermissions("worldedit.clipboard.cut")
     @Logging(REGION)
     public void cut(FawePlayer fp, Player player, LocalSession session, EditSession editSession,
-                    @Selection Region region, @Optional("air") Pattern leavePattern, @Switch('e') boolean skipEntities,
+                    @Selection Region region, @Optional("air") Pattern leavePattern, @Switch('e') boolean copyEntities,
                     @Switch('m') Mask mask, @Switch('b') boolean copyBiomes, CommandContext context) throws WorldEditException {
     	BlockVector3 min = region.getMinimumPoint();
     	BlockVector3 max = region.getMaximumPoint();
@@ -266,11 +261,13 @@ public class ClipboardCommands extends MethodCommands {
         BlockVector3 pos = session.getPlacementPosition(player);
         fp.checkConfirmationRegion(() -> {
             session.setClipboard(null);
+
             BlockArrayClipboard clipboard = new BlockArrayClipboard(region, player.getUniqueId());
+
             clipboard.setOrigin(pos);
             ForwardExtentCopy copy = new ForwardExtentCopy(editSession, region, clipboard, region.getMinimumPoint());
             copy.setSourceFunction(new BlockReplace(editSession, leavePattern));
-            copy.setCopyingEntities(!skipEntities);
+            copy.setCopyingEntities(copyEntities);
             copy.setRemovingEntities(true);
             copy.setCopyBiomes(copyBiomes);
             Mask sourceMask = editSession.getSourceMask();
@@ -401,7 +398,7 @@ public class ClipboardCommands extends MethodCommands {
             max = 1
     )
     @CommandPermissions({"worldedit.clipboard.asset"})
-    public void asset(final Player player, final LocalSession session, String category) throws CommandException, WorldEditException {
+    public void asset(final Player player, final LocalSession session, String category) throws WorldEditException {
         final ClipboardFormat format = BuiltInClipboardFormat.MCEDIT_SCHEMATIC;
         ClipboardHolder holder = session.getClipboard();
         Clipboard clipboard = holder.getClipboard();
@@ -438,7 +435,6 @@ public class ClipboardCommands extends MethodCommands {
 
     @Command(
         aliases = { "/paste" },
-        usage = "",
         flags = "saobe",
         desc = "Paste the clipboard's contents",
         help =
@@ -502,7 +498,6 @@ public class ClipboardCommands extends MethodCommands {
 
     @Command(
             aliases = {"/place"},
-            usage = "",
             flags = "sao",
             desc = "Place the clipboard's contents without applying transformations (e.g. rotate)",
             help =
@@ -578,7 +573,7 @@ public class ClipboardCommands extends MethodCommands {
         max = 1
     )
     @CommandPermissions("worldedit.clipboard.flip")
-    public void flip(Player player, LocalSession session,
+    public void flip(Player player, LocalSession session, EditSession editSession,
                      @Optional(Direction.AIM) @Direction BlockVector3 direction) throws WorldEditException {
         ClipboardHolder holder = session.getClipboard();
         AffineTransform transform = new AffineTransform();
@@ -595,7 +590,7 @@ public class ClipboardCommands extends MethodCommands {
         max = 0
     )
     @CommandPermissions("worldedit.clipboard.clear")
-    public void clearClipboard(Player player, LocalSession session) throws WorldEditException {
+    public void clearClipboard(Player player, LocalSession session, EditSession editSession) throws WorldEditException {
         session.setClipboard(null);
         BBC.CLIPBOARD_CLEARED.send(player);
     }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/command/SchematicCommands.java b/worldedit-core/src/main/java/com/sk89q/worldedit/command/SchematicCommands.java
index 13f766d03..bb6c29863 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/command/SchematicCommands.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/command/SchematicCommands.java
@@ -27,7 +27,7 @@ import com.boydti.fawe.object.RunnableVal3;
 import com.boydti.fawe.object.clipboard.MultiClipboardHolder;
 import com.boydti.fawe.object.clipboard.URIClipboardHolder;
 import com.boydti.fawe.object.clipboard.remap.ClipboardRemapper;
-import com.boydti.fawe.object.schematic.StructureFormat;
+import com.boydti.fawe.object.schematic.MinecraftStructure;
 //import com.boydti.fawe.object.schematic.visualizer.SchemVis;
 import com.boydti.fawe.util.MainUtil;
 import com.boydti.fawe.util.chat.Message;
@@ -44,7 +44,6 @@ import com.sk89q.worldedit.event.extent.PlayerSaveClipboardEvent;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
-import com.sk89q.worldedit.extent.clipboard.io.BuiltInClipboardFormat;
 import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormat;
 import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormats;
 import com.sk89q.worldedit.extent.clipboard.io.ClipboardWriter;
@@ -65,7 +64,6 @@ import java.nio.channels.Channels;
 import java.nio.channels.ReadableByteChannel;
 import java.nio.file.Files;
 import java.util.*;
-import java.util.concurrent.atomic.LongAdder;
 import java.util.regex.Pattern;
 
 import static com.boydti.fawe.util.ReflectionUtils.as;
@@ -353,8 +351,8 @@ public class SchematicCommands extends MethodCommands {
                 if (holder instanceof URIClipboardHolder) uri = ((URIClipboardHolder) holder).getURI(clipboard);
                 if (new PlayerSaveClipboardEvent(player, clipboard, uri, f.toURI()).call()) {
                     try (ClipboardWriter writer = format.getWriter(fos)) {
-                        if (writer instanceof StructureFormat) {
-                            ((StructureFormat) writer).write(target, player.getName());
+                        if (writer instanceof MinecraftStructure) {
+                            ((MinecraftStructure) writer).write(target, player.getName());
                         } else {
                             writer.write(target);
                         }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/BrushTool.java b/worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/BrushTool.java
index 7b6a0ec3d..9b5eabfb6 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/BrushTool.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/command/tool/BrushTool.java
@@ -48,6 +48,8 @@ import com.sk89q.minecraft.util.commands.CommandException;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalConfiguration;
 import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.MaxBrushRadiusException;
+import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItem;
@@ -519,7 +521,9 @@ public class BrushTool implements DoubleActionTraceTool, ScrollTool, MovableTool
             double size = current.getSize();
             WorldEdit.getInstance().checkMaxBrushRadius(size);
             brush.build(editSession, target, current.getMaterial(), size);
-        } catch (WorldEditException e) {
+        } catch (MaxBrushRadiusException e) {
+            player.printError("Max blocks change limit reached."); // Never happens
+        } catch (MaxChangedBlocksException e) {
             player.printError("Max blocks change limit reached."); // Never happens
         } finally {
             if (bag != null) {
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java
index bec4903bf..dfedaae08 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java
@@ -181,7 +181,7 @@ public class DefaultBlockParser extends InputParser<BaseBlock> {
                     }
                     state = LegacyMapper.getInstance().getBlockFromLegacy(id, data);
                 } else {
-                    BlockType type = BlockTypes.get(split[0].toLowerCase());
+                    BlockType type = BlockTypes.get(split[0].toLowerCase(Locale.ROOT));
                     if (type != null) {
                         int data = Integer.parseInt(split[1]);
                         if (data < 0 || data >= 16) {
@@ -247,7 +247,7 @@ public class DefaultBlockParser extends InputParser<BaseBlock> {
                     state = item.getType().getBlockType().getDefaultState();
                     nbt = item.getNbtData();
                 } else {
-                    BlockType type = BlockTypes.parse(typeString.toLowerCase());
+                    BlockType type = BlockTypes.parse(typeString.toLowerCase(Locale.ROOT));
 
                         if (type != null) {
                             state = type.getDefaultState();
@@ -309,15 +309,15 @@ public class DefaultBlockParser extends InputParser<BaseBlock> {
             if (blockAndExtraData.length > 1) {
                 String mobName = blockAndExtraData[1];
                 for (MobType mobType : MobType.values()) {
-                    if (mobType.getName().toLowerCase().equals(mobName.toLowerCase())) {
+                    if (mobType.getName().toLowerCase().equals(mobName.toLowerCase(Locale.ROOT))) {
                         mobName = mobType.getName();
                         break;
                     }
                 }
                 if (!worldEdit.getPlatformManager().queryCapability(Capability.USER_COMMANDS).isValidMobType(mobName)) {
-                    String finalMobName = mobName.toLowerCase();
+                    String finalMobName = mobName.toLowerCase(Locale.ROOT);
                     throw new SuggestInputParseException("Unknown mob type '" + mobName + "'", mobName, () -> Stream.of(MobType.values())
-                                                                                                                    .map(m -> m.getName().toLowerCase())
+                                                                                                                    .map(m -> m.getName().toLowerCase(Locale.ROOT))
                                                                                                                     .filter(s -> s.startsWith(finalMobName))
                                                                                                                     .collect(Collectors.toList()));
                 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/BlockCategoryPatternParser.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/BlockCategoryPatternParser.java
index 9cc922368..a657a8683 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/BlockCategoryPatternParser.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/BlockCategoryPatternParser.java
@@ -30,6 +30,7 @@ import com.sk89q.worldedit.world.block.BlockCategory;
 import com.sk89q.worldedit.world.block.BlockType;
 
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -49,7 +50,7 @@ public class BlockCategoryPatternParser extends InputParser<Pattern> {
         if (!input.startsWith("##")) {
             return null;
         }
-        String tag = input.substring(2).toLowerCase();
+        String tag = input.substring(2).toLowerCase(Locale.ROOT);
         boolean anyState = false;
         if (tag.startsWith("*")) {
             tag = tag.substring(1);
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/DefaultPatternParser.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/DefaultPatternParser.java
index bb5e353ae..b56a849fe 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/DefaultPatternParser.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/DefaultPatternParser.java
@@ -49,6 +49,7 @@ import com.sk89q.worldedit.world.block.BlockTypes;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -107,7 +108,7 @@ public class DefaultPatternParser extends FaweParser<Pattern> {
                                 () -> {
                                     if (full.length() == 1) return new ArrayList<>(dispatcher.getPrimaryAliases());
                                     return dispatcher.getAliases().stream().filter(
-                                            s -> s.startsWith(command.toLowerCase())
+                                            s -> s.startsWith(command.toLowerCase(Locale.ROOT))
                                     ).collect(Collectors.toList());
                                 }
                         );
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/BlockArrayClipboard.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/BlockArrayClipboard.java
index dd2eec2ac..e56605c2e 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/BlockArrayClipboard.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/BlockArrayClipboard.java
@@ -37,7 +37,6 @@ import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.world.biome.BiomeType;
-import com.sk89q.worldedit.world.biome.BiomeTypes;
 import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
@@ -118,7 +117,7 @@ public class BlockArrayClipboard implements Clipboard, LightingExtent, Closeable
     }
 
     @Override
-    protected void finalize() throws Throwable {
+    protected void finalize() {
         close();
     }
 
@@ -262,8 +261,6 @@ public class BlockArrayClipboard implements Clipboard, LightingExtent, Closeable
         return null;
     }
 
-
-
     @Override
     public int getLight(int x, int y, int z) {
         return getBlockLight(x, y, z);
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/Clipboard.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/Clipboard.java
index 24e4e2a85..6994442fe 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/Clipboard.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/Clipboard.java
@@ -20,6 +20,7 @@
 package com.sk89q.worldedit.extent.clipboard;
 
 import com.sk89q.worldedit.extent.Extent;
+import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 
@@ -60,7 +61,7 @@ public interface Clipboard extends Extent {
 
     /**
      * Returns true if the clipboard has biome data. This can be checked since {@link Extent#getBiome(BlockVector2)}
-     * strongly suggests returning {@link com.sk89q.worldedit.world.biome.BiomeTypes.OCEAN} instead of {@code null}
+     * strongly suggests returning {@link com.sk89q.worldedit.world.biome.BiomeTypes#OCEAN} instead of {@code null}
      * if biomes aren't present. However, it might not be desired to set areas to ocean if the clipboard is defaulting
      * to ocean, instead of having biomes explicitly set.
      *
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/io/BuiltInClipboardFormat.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/io/BuiltInClipboardFormat.java
index 3d646866d..1813d2240 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/io/BuiltInClipboardFormat.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/io/BuiltInClipboardFormat.java
@@ -22,7 +22,8 @@ package com.sk89q.worldedit.extent.clipboard.io;
 import com.boydti.fawe.object.io.PGZIPOutputStream;
 import com.boydti.fawe.object.io.ResettableFileInputStream;
 import com.boydti.fawe.object.schematic.PNGWriter;
-import com.boydti.fawe.object.schematic.StructureFormat;
+import com.boydti.fawe.object.schematic.MinecraftStructure;
+
 import com.google.common.collect.ImmutableSet;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.NBTInputStream;
@@ -122,35 +123,41 @@ public enum BuiltInClipboardFormat implements ClipboardFormat {
      * The structure block format:
      * http://minecraft.gamepedia.com/Structure_block_file_format
      */
-    STRUCTURE("structure", "nbt") {
+    MINECRAFT_STRUCTURE("structure") {
+        @Override
+        public String getPrimaryFileExtension() {
+            return "nbt";
+        }
+
         @Override
         public ClipboardReader getReader(InputStream inputStream) throws IOException {
             inputStream = new BufferedInputStream(inputStream);
             NBTInputStream nbtStream = new NBTInputStream(new BufferedInputStream(new GZIPInputStream(inputStream)));
-            return new StructureFormat(nbtStream);
+            return new MinecraftStructure(nbtStream);
         }
 
         @Override
         public ClipboardWriter getWriter(OutputStream outputStream) throws IOException {
             outputStream = new BufferedOutputStream(outputStream);
-            OutputStream gzip;
-            if (outputStream instanceof PGZIPOutputStream || outputStream instanceof GZIPOutputStream) {
-                gzip = outputStream;
-            } else {
-                gzip = new PGZIPOutputStream(outputStream);
-            }
+            OutputStream gzip = new PGZIPOutputStream(outputStream);
             NBTOutputStream nbtStream = new NBTOutputStream(new BufferedOutputStream(gzip));
-            return new StructureFormat(nbtStream);
+            return new MinecraftStructure(nbtStream);
         }
 
         @Override
         public boolean isFormat(File file) {
-            return file.getName().toLowerCase().endsWith(".nbt");
-        }
+            try (NBTInputStream str = new NBTInputStream(new GZIPInputStream(new FileInputStream(file)))) {
+                NamedTag rootTag = str.readNamedTag();
+                CompoundTag structureTag = (CompoundTag) rootTag.getTag();
+                Map<String, Tag> structure = structureTag.getValue();
+                if (!structure.containsKey("DataVersion")) {
+                    return false;
+                }
+            } catch (Exception e) {
+                return false;
+            }
 
-        @Override
-        public String getPrimaryFileExtension() {
-            return "nbt";
+            return true;
         }
     },
 
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java
index 0984d3422..fbfc38c09 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java
@@ -29,7 +29,6 @@ import com.sk89q.jnbt.Tag;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.internal.helper.MCDirections;
-import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.math.Vector3;
 import com.sk89q.worldedit.math.transform.AffineTransform;
@@ -40,7 +39,6 @@ import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.registry.state.PropertyKey;
 import com.sk89q.worldedit.util.Direction;
 import static com.sk89q.worldedit.util.Direction.*;
-import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
@@ -52,6 +50,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 
 /**
@@ -93,19 +92,11 @@ public class BlockTransformExtent extends ResettableExtent {
     }
 
     private static long[] adapt(Direction... dirs) {
-        long[] arr = new long[dirs.length];
-        for (int i = 0; i < arr.length; i++) {
-            arr[i] = 1L << dirs[i].ordinal();
-        }
-        return arr;
+        return Arrays.stream(dirs).mapToLong(dir -> 1L << dir.ordinal()).toArray();
     }
 
     private static long[] adapt(Long... dirs) {
-        long[] arr = new long[dirs.length];
-        for (int i = 0; i < arr.length; i++) {
-            arr[i] = dirs[i];
-        }
-        return arr;
+        return Arrays.stream(dirs).mapToLong(dir -> dir).toArray();
     }
 
     private static long[] getDirections(AbstractProperty property) {
@@ -137,7 +128,7 @@ public class BlockTransformExtent extends ResettableExtent {
                 case FACING: {
                     List<Direction> directions = new ArrayList<>();
                     for (Object value : values) {
-                        directions.add(Direction.valueOf(value.toString().toUpperCase()));
+                        directions.add(Direction.valueOf(value.toString().toUpperCase(Locale.ROOT)));
                     }
                     return adapt(directions.toArray(new Direction[0]));
                 }
@@ -219,9 +210,7 @@ public class BlockTransformExtent extends ResettableExtent {
     }
 
     private static long notIndex(long mask, int... indexes) {
-        for (int index : indexes) {
-            mask = mask | (1L << (index + values().length));
-        }
+        mask |= Arrays.stream(indexes).mapToLong(index -> (1L << (index + values().length))).reduce(0, (a, b) -> a | b);
         return mask;
     }
 
@@ -343,10 +332,10 @@ public class BlockTransformExtent extends ResettableExtent {
             Object southState = tmp.getState(PropertyKey.SOUTH);
             Object westState = tmp.getState(PropertyKey.WEST);
 
-            tmp = tmp.with(PropertyKey.valueOf(newNorth.name().toUpperCase()), northState);
-            tmp = tmp.with(PropertyKey.valueOf(newEast.name().toUpperCase()), eastState);
-            tmp = tmp.with(PropertyKey.valueOf(newSouth.name().toUpperCase()), southState);
-            tmp = tmp.with(PropertyKey.valueOf(newWest.name().toUpperCase()), westState);
+            tmp = tmp.with(PropertyKey.valueOf(newNorth.name().toUpperCase(Locale.ROOT)), northState);
+            tmp = tmp.with(PropertyKey.valueOf(newEast.name().toUpperCase(Locale.ROOT)), eastState);
+            tmp = tmp.with(PropertyKey.valueOf(newSouth.name().toUpperCase(Locale.ROOT)), southState);
+            tmp = tmp.with(PropertyKey.valueOf(newWest.name().toUpperCase(Locale.ROOT)), westState);
 
             newMaskedId = tmp.getInternalId();
         }
@@ -388,11 +377,6 @@ public class BlockTransformExtent extends ResettableExtent {
         }
     }
 
-    @Override
-    public ResettableExtent setExtent(Extent extent) {
-        return super.setExtent(extent);
-    }
-
     /**
      * Get the transform.
      *
@@ -469,7 +453,7 @@ public class BlockTransformExtent extends ResettableExtent {
         return BlockState.getFromInternalId(newMaskedId);
     }
 
-    public final BaseBlock transform(BlockStateHolder block) {
+    public final BaseBlock transform(BlockStateHolder<BaseBlock> block) {
         BlockState transformed = transform(block.toImmutableState());
         if (block.hasNbtData()) {
             return transformBaseBlockNBT(transformed, block.getNbtData(), transform);
@@ -498,11 +482,6 @@ public class BlockTransformExtent extends ResettableExtent {
         return transform(super.getBlock(x, y, z));
     }
 
-    @Override
-    public BiomeType getBiome(BlockVector2 position) {
-        return super.getBiome(position);
-    }
-
     @Override
     public boolean setBlock(int x, int y, int z, BlockStateHolder block) throws WorldEditException {
         return super.setBlock(x, y, z, transformInverse(block));
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockCategoryMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockCategoryMask.java
index 024630cd0..6719f7587 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockCategoryMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockCategoryMask.java
@@ -20,14 +20,10 @@
 package com.sk89q.worldedit.function.mask;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-
-import com.boydti.fawe.beta.FilterBlock;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.world.block.BlockCategory;
 
-import javax.annotation.Nullable;
-
 /**
  * A mask that tests whether a block matches a given {@link BlockCategory}, or tag.
  */
@@ -46,9 +42,4 @@ public class BlockCategoryMask extends AbstractExtentMask {
         return category.contains(vector.getBlock(getExtent()));
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockMask.java
index 07ea67857..3eec8fde1 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockMask.java
@@ -208,5 +208,4 @@ public class BlockMask extends ABlockMask {
         for (int i = 0; i < cloned.length; i++) cloned[i] = !cloned[i];
         return new BlockMask(getExtent(), cloned);
     }
-
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockStateMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockStateMask.java
index e78f9b9be..7e5acdc94 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockStateMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockStateMask.java
@@ -28,7 +28,6 @@ import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockType;
 
-import javax.annotation.Nullable;
 import java.util.Map;
 
 @Deprecated
@@ -67,9 +66,4 @@ public class BlockStateMask extends AbstractExtentMask {
                 .allMatch(entry -> block.getState(entry.getKey()) == entry.getValue());
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockTypeMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockTypeMask.java
index da7b92559..a9c56bdf7 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockTypeMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockTypeMask.java
@@ -19,12 +19,12 @@
 
 package com.sk89q.worldedit.function.mask;
 
+import static com.google.common.base.Preconditions.checkNotNull;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
-import javax.annotation.Nullable;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
@@ -118,9 +118,4 @@ public class BlockTypeMask extends AbstractExtentMask {
         return types[block.getInternalId()];
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BoundedHeightMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BoundedHeightMask.java
index 211a47628..e31567191 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BoundedHeightMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BoundedHeightMask.java
@@ -20,12 +20,8 @@
 package com.sk89q.worldedit.function.mask;
 
 import static com.google.common.base.Preconditions.checkArgument;
-
-import com.boydti.fawe.beta.FilterBlock;
 import com.sk89q.worldedit.math.BlockVector3;
 
-import javax.annotation.Nullable;
-
 /**
  * Has the criteria where the Y value of passed positions must be within
  * a certain range of Y values (inclusive).
@@ -52,10 +48,4 @@ public class BoundedHeightMask extends AbstractMask {
         return vector.getY() >= minY && vector.getY() <= maxY;
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
-
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/ExistingBlockMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/ExistingBlockMask.java
index fbba26a97..e8bef2c08 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/ExistingBlockMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/ExistingBlockMask.java
@@ -23,8 +23,6 @@ import com.boydti.fawe.beta.FilterBlock;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 
-import javax.annotation.Nullable;
-
 /**
  * A mask that returns true whenever the block at the location is not
  * an air block (it contains some other block).
@@ -45,10 +43,4 @@ public class ExistingBlockMask extends AbstractExtentMask {
         return !vector.getBlock(getExtent()).getMaterial().isAir();
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
-
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/RegionMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/RegionMask.java
index eecd57652..c3305d597 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/RegionMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/RegionMask.java
@@ -20,13 +20,9 @@
 package com.sk89q.worldedit.function.mask;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-
-import com.boydti.fawe.beta.FilterBlock;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 
-import javax.annotation.Nullable;
-
 /**
  * A mask that tests whether given positions are contained within a region.
  */
@@ -67,10 +63,4 @@ public class RegionMask extends AbstractMask {
         return region.contains(vector);
     }
 
-    @Nullable
-    @Override
-    public Mask2D toMask2D() {
-        return null;
-    }
-
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/SolidBlockMask.java b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/SolidBlockMask.java
index 80673fb1d..251f7e191 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/SolidBlockMask.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/SolidBlockMask.java
@@ -20,6 +20,8 @@
 package com.sk89q.worldedit.function.mask;
 
 import com.sk89q.worldedit.extent.Extent;
+import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/math/MutableVector3.java b/worldedit-core/src/main/java/com/sk89q/worldedit/math/MutableVector3.java
index 27c9fd75f..a041f44dc 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/math/MutableVector3.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/math/MutableVector3.java
@@ -84,7 +84,4 @@ public class MutableVector3 extends Vector3 {
         return this;
     }
 
-    public double getY() {
-        return y;
-    }
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/registry/state/PropertyKey.java b/worldedit-core/src/main/java/com/sk89q/worldedit/registry/state/PropertyKey.java
index ef6c77d24..34f941ae0 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/registry/state/PropertyKey.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/registry/state/PropertyKey.java
@@ -6,6 +6,7 @@ import com.sk89q.util.ReflectionUtil;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 
 /**
@@ -100,7 +101,7 @@ public enum PropertyKey {
         PropertyKey property = PropertyKey.get(id);
         if (property == null) {
             Fawe.debug("Registering property " + id);
-            property = ReflectionUtils.addEnum(PropertyKey.class, id.toUpperCase());
+            property = ReflectionUtils.addEnum(PropertyKey.class, id.toUpperCase(Locale.ROOT));
             if (property.getId() == null) {
                 try {
                     ReflectionUtils.setFailsafeFieldValue(PropertyKey.class.getDeclaredField("id"), property, property.name().toLowerCase());
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/util/Location.java b/worldedit-core/src/main/java/com/sk89q/worldedit/util/Location.java
index 5d3aa84e4..f0ea80494 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/util/Location.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/util/Location.java
@@ -309,8 +309,4 @@ public class Location extends Vector3 {
         return true;
     }
 
-    @Override
-    public int hashCode() {
-        return super.hashCode();
-    }
 }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/SimpleDispatcher.java b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/SimpleDispatcher.java
index 949869cdd..24b06f5d1 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/SimpleDispatcher.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/SimpleDispatcher.java
@@ -35,6 +35,7 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 
@@ -104,12 +105,12 @@ public class SimpleDispatcher implements Dispatcher {
 
     @Override
     public boolean contains(String alias) {
-        return commands.containsKey(alias.toLowerCase());
+        return commands.containsKey(alias.toLowerCase(Locale.ROOT));
     }
 
     @Override
     public CommandMapping get(String alias) {
-        return commands.get(alias.toLowerCase());
+        return commands.get(alias.toLowerCase(Locale.ROOT));
     }
 
     @Override
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/argument/ArgumentUtils.java b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/argument/ArgumentUtils.java
index 22141fedd..259853571 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/argument/ArgumentUtils.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/argument/ArgumentUtils.java
@@ -23,6 +23,7 @@ import com.google.common.collect.Lists;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.Locale;
 
 public final class ArgumentUtils {
 
@@ -35,7 +36,7 @@ public final class ArgumentUtils {
         }
         List<String> suggestions = Lists.newArrayList();
         for (String item : items) {
-            if (item.toLowerCase().startsWith(s)) {
+            if (item.toLowerCase(Locale.ROOT).startsWith(s)) {
                 suggestions.add(item);
             }
         }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/composition/BranchingCommand.java b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/composition/BranchingCommand.java
index ce4ba58fe..6ffe01174 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/composition/BranchingCommand.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/composition/BranchingCommand.java
@@ -30,6 +30,7 @@ import com.sk89q.worldedit.util.command.argument.CommandArgs;
 import com.sk89q.worldedit.util.command.argument.MissingArgumentException;
 
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 
@@ -55,7 +56,7 @@ public abstract class BranchingCommand<T> implements CommandExecutor<T> {
     public T call(CommandArgs args, CommandLocals locals) throws CommandException {
         try {
             String classifier = args.next();
-            CommandExecutor<? extends T> executor = options.get(classifier.toLowerCase());
+            CommandExecutor<? extends T> executor = options.get(classifier.toLowerCase(Locale.ROOT));
             if (executor != null) {
                 return executor.call(args, locals);
             } else {
@@ -72,7 +73,7 @@ public abstract class BranchingCommand<T> implements CommandExecutor<T> {
     public List<String> getSuggestions(CommandArgs args, CommandLocals locals) throws MissingArgumentException {
         String classifier = args.next();
         try {
-            CommandExecutor<? extends T> executor = options.get(classifier.toLowerCase());
+            CommandExecutor<? extends T> executor = options.get(classifier.toLowerCase(Locale.ROOT));
             if (executor != null) {
                 return executor.getSuggestions(args, locals);
             }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/parametric/ParametricCallable.java b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/parametric/ParametricCallable.java
index c5bc616b4..7f4cc5370 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/parametric/ParametricCallable.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/util/command/parametric/ParametricCallable.java
@@ -43,6 +43,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Set;
 
 /**
@@ -348,10 +349,10 @@ public class ParametricCallable extends AParametricCallable {
      */
     private static String generateName(Type type, Annotation classifier, int index) {
         if (classifier != null) {
-            return classifier.annotationType().getSimpleName().toLowerCase();
+            return classifier.annotationType().getSimpleName().toLowerCase(Locale.ROOT);
         } else {
             if (type instanceof Class<?>) {
-                return ((Class<?>) type).getSimpleName().toLowerCase();
+                return ((Class<?>) type).getSimpleName().toLowerCase(Locale.ROOT);
             } else {
                 return "unknown" + index;
             }
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/AbstractWorld.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/AbstractWorld.java
index 066bc7ea9..315726afe 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/AbstractWorld.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/AbstractWorld.java
@@ -35,6 +35,7 @@ import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
 import javax.annotation.Nullable;
+import java.nio.file.Path;
 import java.util.PriorityQueue;
 
 /**
@@ -55,6 +56,10 @@ public abstract class AbstractWorld implements World {
         return setBlock(pt, block, true);
     }
 
+    @Override
+    public Path getStoragePath() {
+        return null;
+    }
     @Override
     public int getMaxY() {
         return getMaximumPoint().getBlockY();
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/SimpleWorld.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/SimpleWorld.java
index 04e7d05c1..0ff482b80 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/SimpleWorld.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/SimpleWorld.java
@@ -20,29 +20,29 @@
 package com.sk89q.worldedit.world;
 
 import com.boydti.fawe.util.SetQueue;
-import com.sk89q.worldedit.*;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.MaxChangedBlocksException;
+import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItem;
 import com.sk89q.worldedit.blocks.BaseItemStack;
-import com.sk89q.worldedit.function.mask.BlockTypeMask;
-import com.sk89q.worldedit.regions.Region;
-import com.sk89q.worldedit.util.TreeGenerator;
-import com.sk89q.worldedit.world.block.*;
-import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.extension.platform.Platform;
-import com.sk89q.worldedit.function.mask.BlockMask;
+import com.sk89q.worldedit.function.mask.BlockTypeMask;
 import com.sk89q.worldedit.function.mask.Mask;
-import com.sk89q.worldedit.function.operation.Operation;
 import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.math.Vector3;
 import com.sk89q.worldedit.util.Direction;
+import com.sk89q.worldedit.util.TreeGenerator;
+import com.sk89q.worldedit.world.block.BaseBlock;
+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 java.util.HashMap;
-import java.util.PriorityQueue;
-
 import javax.annotation.Nullable;
+import java.nio.file.Path;
 
 /**
  * An abstract implementation of {@link World}.
@@ -67,6 +67,10 @@ public interface SimpleWorld extends World {
     @Override
     <B extends BlockStateHolder<B>> boolean setBlock(BlockVector3 pt, B block) throws WorldEditException;
 
+    @Nullable @Override default Path getStoragePath() {
+        return null;
+    }
+
     @Override
     default int getMaxY() {
         return getMaximumPoint().getBlockY();
@@ -117,11 +121,6 @@ public interface SimpleWorld extends World {
         return BlockVector3.at(30000000, 255, 30000000);
     }
 
-    @Override
-    default @Nullable Operation commit() {
-        return null;
-    }
-
 
     @Override
     default boolean generateTree(TreeGenerator.TreeType type, EditSession editSession, BlockVector3 position) throws MaxChangedBlocksException {
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/World.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/World.java
index c7dfcaa91..26858d7a2 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/World.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/World.java
@@ -38,6 +38,9 @@ import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.weather.WeatherType;
 
+import javax.annotation.Nullable;
+import java.nio.file.Path;
+
 /**
  * Represents a world (dimension).
  */
@@ -50,11 +53,21 @@ public interface World extends Extent {
      */
     String getName();
 
+    /**
+     * Get the folder in which this world is stored. May return null if unknown
+     * or if this world is not serialized to disk.
+     *
+     * @return world storage path
+     */
+    @Nullable
+    Path getStoragePath();
+
     /**
      * Get the maximum Y.
      *
      * @return the maximum Y
      */
+    @Override
     int getMaxY();
 
     /**
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java
index 16dc23295..2abc4d052 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockTypes.java
@@ -946,7 +946,7 @@ public final class BlockTypes {
         // Get the enum name (remove namespace if minecraft:)
         int propStart = id.indexOf('[');
         String typeName = id.substring(0, propStart == -1 ? id.length() : propStart);
-        String enumName = (typeName.startsWith("minecraft:") ? typeName.substring(10) : typeName).toUpperCase();
+        String enumName = (typeName.startsWith("minecraft:") ? typeName.substring(10) : typeName).toUpperCase(Locale.ROOT);
         BlockType existing = new BlockType(id, internalId, states);
 
 
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/entity/EntityTypes.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/entity/EntityTypes.java
index 1d35cadf3..4c332729e 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/entity/EntityTypes.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/entity/EntityTypes.java
@@ -20,6 +20,7 @@
 package com.sk89q.worldedit.world.entity;
 
 import javax.annotation.Nullable;
+import java.util.Locale;
 
 public class EntityTypes {
 
@@ -162,7 +163,7 @@ public class EntityTypes {
                     }
                     return parse(result.toString());
                 }
-                switch (id.toLowerCase()) {
+                switch (id.toLowerCase(Locale.ROOT)) {
                     case "xp_orb":
                         return EntityTypes.EXPERIENCE_ORB;
                     case "xp_bottle":
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java
index a74c5a392..a0b7af936 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/item/ItemTypes.java
@@ -25,6 +25,7 @@ import com.sk89q.worldedit.world.registry.LegacyMapper;
 import javax.annotation.Nullable;
 import java.util.Collection;
 import java.util.Optional;
+import java.util.Locale;
 
 public final class ItemTypes {
 
@@ -915,7 +916,7 @@ public final class ItemTypes {
 
     @Nullable
     public static ItemType parse(String input) {
-        input = input.toLowerCase();
+        input = input.toLowerCase(Locale.ROOT);
         if (!Character.isAlphabetic(input.charAt(0))) {
             try {
                 ItemType legacy = LegacyMapper.getInstance().getItemFromLegacy(input);