From 895de11a092e47b8d4ecfd04ddc0844344f0706a Mon Sep 17 00:00:00 2001
From: Jesse Boyd <jessepaleg@gmail.com>
Date: Thu, 4 Aug 2016 19:46:38 +1000
Subject: [PATCH] Fix entity mask + More work on rollback

---
 .../com/boydti/fawe/bukkit/FaweBukkit.java    |   6 +
 core/src/main/java/com/boydti/fawe/Fawe.java  |   2 +
 .../main/java/com/boydti/fawe/FaweCache.java  |  13 ++
 .../com/boydti/fawe/command/Rollback.java     |  19 ++
 .../main/java/com/boydti/fawe/config/BBC.java |  21 +-
 .../com/boydti/fawe/database/DBHandler.java   |   2 +
 .../fawe/database/RollbackDatabase.java       |  57 +++--
 .../logging/rollback/RollbackDatabase.java    |   4 -
 .../rollback/RollbackOptimizedHistory.java    |   5 +
 .../fawe/object/brush/InspectBrush.java       | 121 ++++++++--
 .../object/change/MutableFullBlockChange.java |  49 ++++
 .../change/MutablePlayerBlockChange.java      |  16 --
 .../object/changeset/FaweStreamChangeSet.java |  61 +++++
 .../fawe/object/extent/ProcessedWEExtent.java |  11 +-
 .../java/com/boydti/fawe/util/WEManager.java  |   6 +-
 .../worldedit/command/BrushCommands.java      |  19 --
 .../worldedit/command/HistoryCommands.java    |  40 +++-
 .../sk89q/worldedit/command/ToolCommands.java | 215 ++++++++++++++++++
 18 files changed, 589 insertions(+), 78 deletions(-)
 delete mode 100644 core/src/main/java/com/boydti/fawe/logging/rollback/RollbackDatabase.java
 create mode 100644 core/src/main/java/com/boydti/fawe/object/change/MutableFullBlockChange.java
 delete mode 100644 core/src/main/java/com/boydti/fawe/object/change/MutablePlayerBlockChange.java
 create mode 100644 core/src/main/java/com/sk89q/worldedit/command/ToolCommands.java

diff --git a/bukkit0/src/main/java/com/boydti/fawe/bukkit/FaweBukkit.java b/bukkit0/src/main/java/com/boydti/fawe/bukkit/FaweBukkit.java
index 669c5a1c..7825b78f 100644
--- a/bukkit0/src/main/java/com/boydti/fawe/bukkit/FaweBukkit.java
+++ b/bukkit0/src/main/java/com/boydti/fawe/bukkit/FaweBukkit.java
@@ -219,6 +219,12 @@ public class FaweBukkit implements IFawe, Listener {
         return world.getName();
     }
 
+    @Override
+    public String getUserName(UUID uuid) {
+        String name = Bukkit.getOfflinePlayer(uuid).getName();
+        return name != null ? name : uuid.toString();
+    }
+
     /**
      * A mask manager handles region restrictions e.g. PlotSquared plots / WorldGuard regions
      */
diff --git a/core/src/main/java/com/boydti/fawe/Fawe.java b/core/src/main/java/com/boydti/fawe/Fawe.java
index b4996268..052ed2d1 100644
--- a/core/src/main/java/com/boydti/fawe/Fawe.java
+++ b/core/src/main/java/com/boydti/fawe/Fawe.java
@@ -32,6 +32,7 @@ import com.sk89q.worldedit.command.NavigationCommands;
 import com.sk89q.worldedit.command.RegionCommands;
 import com.sk89q.worldedit.command.SchematicCommands;
 import com.sk89q.worldedit.command.ScriptingCommands;
+import com.sk89q.worldedit.command.ToolCommands;
 import com.sk89q.worldedit.command.composition.SelectionCommand;
 import com.sk89q.worldedit.command.tool.brush.GravityBrush;
 import com.sk89q.worldedit.event.extent.EditSessionEvent;
@@ -277,6 +278,7 @@ public class Fawe {
             LocalSession.inject(); // Add remember order / queue flushing
             // Commands
             BrushCommands.inject(); // Translations + heightmap
+            ToolCommands.inject(); // Translations + inspect
             ClipboardCommands.inject(); // Translations + lazycopy + paste optimizations
             SchematicCommands.inject(); // Translations
             ScriptingCommands.inject(); // Translations
diff --git a/core/src/main/java/com/boydti/fawe/FaweCache.java b/core/src/main/java/com/boydti/fawe/FaweCache.java
index bc9b0116..153990e2 100644
--- a/core/src/main/java/com/boydti/fawe/FaweCache.java
+++ b/core/src/main/java/com/boydti/fawe/FaweCache.java
@@ -16,6 +16,7 @@ import com.sk89q.jnbt.StringTag;
 import com.sk89q.jnbt.Tag;
 import com.sk89q.worldedit.CuboidClipboard;
 import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.world.registry.BundledBlockData;
 import java.awt.Color;
 import java.lang.reflect.Field;
 import java.util.ArrayList;
@@ -507,6 +508,18 @@ public class FaweCache {
         }
     }
 
+    public static String getMaterialName(int combined) {
+        return getMaterialName(getId(combined), getData(combined));
+    }
+
+    public static String getMaterialName(int id, int data) {
+        BundledBlockData.BlockEntry entry = BundledBlockData.getInstance().findById(id);
+        if (entry == null) {
+            return data != 0 ? id + ":" + data : id + "";
+        }
+        return data != 0 ? entry.id.replace("minecraft:","") + ":" + data : entry.id.replace("minecraft:","");
+    }
+
     public static Map<String, Object> asMap(Object... pairs) {
         HashMap<String, Object> map = new HashMap<String, Object>(pairs.length >> 1);
         for (int i = 0; i < pairs.length; i+=2) {
diff --git a/core/src/main/java/com/boydti/fawe/command/Rollback.java b/core/src/main/java/com/boydti/fawe/command/Rollback.java
index f836b321..7d46fd37 100644
--- a/core/src/main/java/com/boydti/fawe/command/Rollback.java
+++ b/core/src/main/java/com/boydti/fawe/command/Rollback.java
@@ -3,6 +3,7 @@ package com.boydti.fawe.command;
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.FaweAPI;
 import com.boydti.fawe.config.BBC;
+import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.FaweCommand;
 import com.boydti.fawe.object.FaweLocation;
 import com.boydti.fawe.object.FawePlayer;
@@ -27,6 +28,24 @@ public class Rollback extends FaweCommand {
 
     @Override
     public boolean execute(final FawePlayer player, final String... args) {
+        if (!Settings.HISTORY.USE_DATABASE) {
+            BBC.SETTING_DISABLE.send(player, "history.use-database");
+            return false;
+        }
+        if (args.length != 3) {
+            BBC.COMMAND_SYNTAX.send(player, "/frb u:<uuid> r:<radius> t:<time>");
+            return false;
+        }
+        switch (args[0]) {
+            case "i":
+            case "info":
+            case "undo":
+            case "revert":
+                BBC.COMMAND_SYNTAX.send(player, "/frb u:<uuid> r:<radius> t:<time>");
+                return false;
+        }
+
+
         if (args.length < 1) {
             BBC.COMMAND_SYNTAX.send(player, "/frb <info|undo> u:<uuid> r:<radius> t:<time>");
             return false;
diff --git a/core/src/main/java/com/boydti/fawe/config/BBC.java b/core/src/main/java/com/boydti/fawe/config/BBC.java
index 4fb394a4..db34ad55 100644
--- a/core/src/main/java/com/boydti/fawe/config/BBC.java
+++ b/core/src/main/java/com/boydti/fawe/config/BBC.java
@@ -41,6 +41,7 @@ public enum BBC {
     WORLDEDIT_RESTRICTED("&6Your WorldEdit is now restricted.", "Info"),
     WORLDEDIT_OOM_ADMIN("&cPossible options:\n&8 - &7//fast\n&8 - &7Do smaller edits\n&8 - &7Allocate more memory\n&8 - &7Disable this safeguard", "Info"),
     COMPRESSED("History compressed. Saved ~ %s0b (%s1x smaller)", "Info"),
+
     ACTION_COMPLETE("Action completed in %s0 seconds", "Info"),
     GENERATING_LINK("Uploading %s, please wait...", "Web"),
     GENERATING_LINK_FAILED("&cFailed to generate download link!", "Web"),
@@ -90,7 +91,23 @@ public enum BBC {
     BRUSH_HEIGHT_INVALID("Invalid height map file (%s0)", "WorldEdit.Brush"),
     BRUSH_SMOOTH("Smooth brush equipped (%s0 x %s1 using %s2).", "WorldEdit.Brush"),
     BRUSH_SPHERE("Sphere brush shape equipped (%s0).", "WorldEdit.Brush"),
-    BRUSH_INSPECT("Inspect brush shape equipped (%s0).", "WorldEdit.Brush"),
+
+    TOOL_INSPECT("Inspect tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_INSPECT_INFO("&7%s0 changed %s1 to %s2 %s3 ago","Info"),
+    TOOL_INSPECT_INFO_FOOTER("&6Total: &7%s0 changes","Info"),
+    TOOL_NONE("Tool unbound from your current item.", "WorldEdit.Tool"),
+    TOOL_INFO("Info tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_TREE("Tree tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_TREE_ERROR("Tree type %s0 is unknown.", "WorldEdit.Tool"),
+    TOOL_REPL("Block replacer tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_CYCLER("Block data cycler tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_FLOOD_FILL("Block flood fill tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_FLOOD_FILL_RANGE_ERROR("Maximum range: %s0.", "WorldEdit.Tool"),
+    TOOL_DELTREE("Floating tree remover tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_FARWAND("Far wand tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_LRBUILD_BOUND("Long-range building tool bound to %s0.", "WorldEdit.Tool"),
+    TOOL_LRBUILD_INFO("Left-click set to %s0; right-click set to %s1.", "WorldEdit.Tool"),
+
 
     SCHEMATIC_DELETE("%s0 has been deleted.", "Worldedit.Schematic"),
     SCHEMATIC_FORMAT("Available clipboard formats (Name: Lookup names)", "Worldedit.Schematic"),
@@ -116,9 +133,11 @@ public enum BBC {
 
     COMMAND_SYNTAX("&cUsage: &7%s0", "Error"),
     NO_PERM("&cYou are lacking the permission node: %s0", "Error"),
+    SETTING_DISABLE("&cLacking setting: %s0","Error"),
     SCHEMATIC_NOT_FOUND("&cSchematic not found: &7%s0", "Error"),
     NO_REGION("&cYou have no current WorldEdit region", "Error"),
     NOT_PLAYER("&cYou must be a player to perform this action!", "Error"),
+    PLAYER_NOT_FOUND("&cPlayer not found:&7 %s0", "Error"),
     OOM(
             "&8[&cCritical&8] &cDetected low memory i.e. < 1%. FAWE will take the following actions:\n&8 - &7Terminate WE block placement\n&8 - &7Clear WE history\n&8 - &7Unload non essential chunks\n&8 - &7Kill entities\n&8 - &7Garbage collect\n&cIgnore this if trying to crash server.\n&7Note: Low memory is likely (but not necessarily) caused by WE",
             "Error"),
diff --git a/core/src/main/java/com/boydti/fawe/database/DBHandler.java b/core/src/main/java/com/boydti/fawe/database/DBHandler.java
index 2b49c5ea..19f89552 100644
--- a/core/src/main/java/com/boydti/fawe/database/DBHandler.java
+++ b/core/src/main/java/com/boydti/fawe/database/DBHandler.java
@@ -4,6 +4,8 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 public class DBHandler {
+    public final static DBHandler IMP = new DBHandler();
+
     private Map<String, RollbackDatabase> databases = new ConcurrentHashMap<>();
     
     public RollbackDatabase getDatabase(String world) {
diff --git a/core/src/main/java/com/boydti/fawe/database/RollbackDatabase.java b/core/src/main/java/com/boydti/fawe/database/RollbackDatabase.java
index 3d1e556f..f8a8fa89 100644
--- a/core/src/main/java/com/boydti/fawe/database/RollbackDatabase.java
+++ b/core/src/main/java/com/boydti/fawe/database/RollbackDatabase.java
@@ -5,9 +5,9 @@ import com.boydti.fawe.FaweAPI;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.logging.rollback.RollbackOptimizedHistory;
 import com.boydti.fawe.object.RunnableVal;
-import com.boydti.fawe.object.change.MutablePlayerBlockChange;
 import com.boydti.fawe.object.changeset.DiskStorageHistory;
 import com.boydti.fawe.util.TaskManager;
+import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.world.World;
 import java.io.File;
 import java.io.IOException;
@@ -30,8 +30,9 @@ public class RollbackDatabase {
 
     private String INSERT_EDIT;
     private String CREATE_TABLE;
-    private String GET_EDITS_POINT;
+//    private String GET_EDITS_POINT;
     private String GET_EDITS;
+    private String GET_EDITS_USER;
     private String PURGE;
 
     private ConcurrentLinkedQueue<RollbackOptimizedHistory> historyChanges = new ConcurrentLinkedQueue<>();
@@ -40,13 +41,15 @@ public class RollbackDatabase {
     public RollbackDatabase(final String world) throws SQLException, ClassNotFoundException {
         this.prefix = "";
         this.world = world;
-        this.dbLocation = new File(Fawe.imp().getDirectory(), "history" + File.separator + world);
+        this.dbLocation = new File(Fawe.imp().getDirectory(), "history" + File.separator + world + File.separator + "summary.db");
         connection = openConnection();
         CREATE_TABLE = "CREATE TABLE IF NOT EXISTS `" + prefix + "edits` (`player` BLOB(16) NOT NULL,`id` INT NOT NULL,`x1` INT NOT NULL,`y1` INT NOT NULL,`z1` INT NOT NULL,`x2` INT NOT NULL,`y2` INT NOT NULL,`z2` INT NOT NULL,`time` INT NOT NULL, PRIMARY KEY (player, id))";
         INSERT_EDIT = "INSERT INTO `" + prefix + "edits` (`player`,`id`,`x1`,`y1`,`z1`,`x2`,`y2`,`z2`,`time`) VALUES(?,?,?,?,?,?,?,?,?)";
         PURGE = "DELETE FROM `" + prefix + "edits` WHERE `time`<?";
-        GET_EDITS = "SELECT `player`,`id`,`x1`,`y1`,`z1`,`x2`,`y2`,`z2`,`time` WHERE `x2`>=? AND `x1`<=? AND `y2`>=? AND `y1`<=? AND `z2`>=? AND `z1`<=? AND `time`>?";
-        GET_EDITS_POINT = "SELECT `player`,`id`,`time` WHERE `x2`>=? AND `x1`<=? AND `y2`>=? AND `y1`<=? AND `z2`>=? AND `z1`<=?";
+//        GET_EDITS_POINT = "SELECT `player`,`id` FROM `" + prefix + "edits` WHERE `x2`>=? AND `x1`<=? AND `y2`>=? AND `y1`<=? AND `z2`>=? AND `z1`<=?";
+        GET_EDITS = "SELECT `player`,`id` FROM `" + prefix + "edits` WHERE `x2`>=? AND `x1`<=? AND `y2`>=? AND `y1`<=? AND `z2`>=? AND `z1`<=? AND `time`>?";
+        GET_EDITS_USER = "SELECT `player`,`id` FROM `" + prefix + "edits` WHERE `x2`>=? AND `x1`<=? AND `y2`>=? AND `y1`<=? AND `z2`>=? AND `z1`<=? AND `time`>? AND `player`=?";
+        init();
         purge((int) TimeUnit.DAYS.toMillis(Settings.HISTORY.DELETE_AFTER_DAYS));
         TaskManager.IMP.async(new Runnable() {
             @Override
@@ -72,6 +75,14 @@ public class RollbackDatabase {
         });
     }
 
+    public void init() {
+        try (PreparedStatement stmt = connection.prepareStatement(CREATE_TABLE)) {
+            stmt.executeUpdate();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
     public void addFinishTask(Runnable run) {
         notify.add(run);
     }
@@ -92,32 +103,40 @@ public class RollbackDatabase {
         });
     }
 
-    public void getPotentialEdits(final int x, final int y, final int z, final RunnableVal<DiskStorageHistory> onEach, final Runnable onFail) {
+    public void getPotentialEdits(final UUID uuid, final long minTime, final Vector pos1, final Vector pos2, final RunnableVal<DiskStorageHistory> onEach, final Runnable whenDone) {
         final World world = FaweAPI.getWorld(this.world);
         addTask(new Runnable() {
             @Override
             public void run() {
-                try (PreparedStatement stmt = connection.prepareStatement(GET_EDITS_POINT)) {
-                    stmt.setInt(1, x);
-                    stmt.setInt(2, x);
-                    stmt.setInt(3, y);
-                    stmt.setInt(4, y);
-                    stmt.setInt(5, z);
-                    stmt.setInt(6, z);
+                try (PreparedStatement stmt = connection.prepareStatement(uuid == null ? GET_EDITS : GET_EDITS_USER)) {
+                    stmt.setInt(1, pos1.getBlockX());
+                    stmt.setInt(2, pos2.getBlockX());
+                    stmt.setByte(3, (byte) (pos1.getBlockY() - 128));
+                    stmt.setByte(4, (byte) (pos2.getBlockY() - 128));
+                    stmt.setInt(5, pos1.getBlockZ());
+                    stmt.setInt(6, pos2.getBlockZ());
+                    stmt.setInt(7, (int) (minTime / 1000));
+                    if (uuid != null) {
+                        byte[] uuidBytes = ByteBuffer.allocate(16).putLong(uuid.getMostSignificantBits()).putLong(uuid.getLeastSignificantBits()).array();
+                        stmt.setBytes(8, uuidBytes);
+                    }
                     ResultSet result = stmt.executeQuery();
                     if (!result.next()) {
-                        TaskManager.IMP.taskNow(onFail, false);
+                        TaskManager.IMP.taskNow(whenDone, false);
                         return;
                     }
                     do {
-                        byte[] uuid = result.getBytes(1);
+                        byte[] uuidBytes = result.getBytes(1);
                         int index = result.getInt(2);
-                        long time = 1000l * result.getInt(3);
-                        DiskStorageHistory history = new DiskStorageHistory(world, UUID.nameUUIDFromBytes(uuid), index);
+                        ByteBuffer bb = ByteBuffer.wrap(uuidBytes);
+                        long high = bb.getLong();
+                        long low = bb.getLong();
+                        DiskStorageHistory history = new DiskStorageHistory(world, new UUID(high, low), index);
                         if (history.getBDFile().exists()) {
                             onEach.run(history);
                         }
                     } while (result.next());
+                    TaskManager.IMP.taskNow(whenDone, false);
                 } catch (SQLException e) {
                     e.printStackTrace();
                 }
@@ -125,10 +144,6 @@ public class RollbackDatabase {
         });
     }
 
-    public int getBlocks(int originX, int originZ, int radius, UUID uuid, long timeDiff, RunnableVal<MutablePlayerBlockChange> result) {
-        return 0;
-    }
-
     public void logEdit(RollbackOptimizedHistory history) {
         historyChanges.add(history);
     }
diff --git a/core/src/main/java/com/boydti/fawe/logging/rollback/RollbackDatabase.java b/core/src/main/java/com/boydti/fawe/logging/rollback/RollbackDatabase.java
deleted file mode 100644
index 82e674e9..00000000
--- a/core/src/main/java/com/boydti/fawe/logging/rollback/RollbackDatabase.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.boydti.fawe.logging.rollback;
-
-public class RollbackDatabase {
-}
diff --git a/core/src/main/java/com/boydti/fawe/logging/rollback/RollbackOptimizedHistory.java b/core/src/main/java/com/boydti/fawe/logging/rollback/RollbackOptimizedHistory.java
index b66e6c33..a3b58794 100644
--- a/core/src/main/java/com/boydti/fawe/logging/rollback/RollbackOptimizedHistory.java
+++ b/core/src/main/java/com/boydti/fawe/logging/rollback/RollbackOptimizedHistory.java
@@ -1,5 +1,8 @@
 package com.boydti.fawe.logging.rollback;
 
+import com.boydti.fawe.Fawe;
+import com.boydti.fawe.database.DBHandler;
+import com.boydti.fawe.database.RollbackDatabase;
 import com.boydti.fawe.object.changeset.DiskStorageHistory;
 import com.sk89q.worldedit.world.World;
 import java.io.IOException;
@@ -57,6 +60,8 @@ public class RollbackOptimizedHistory extends DiskStorageHistory {
     public boolean flush() {
         if (super.flush()) {
             // Save to DB
+            RollbackDatabase db = DBHandler.IMP.getDatabase(Fawe.imp().getWorldName(getWorld()));
+            db.logEdit(this);
             return true;
         }
         return false;
diff --git a/core/src/main/java/com/boydti/fawe/object/brush/InspectBrush.java b/core/src/main/java/com/boydti/fawe/object/brush/InspectBrush.java
index d3d1a2ce..95ab87f7 100644
--- a/core/src/main/java/com/boydti/fawe/object/brush/InspectBrush.java
+++ b/core/src/main/java/com/boydti/fawe/object/brush/InspectBrush.java
@@ -1,24 +1,117 @@
 package com.boydti.fawe.object.brush;
 
-import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.MaxChangedBlocksException;
-import com.sk89q.worldedit.Vector;
-import com.sk89q.worldedit.command.tool.brush.Brush;
+import com.boydti.fawe.Fawe;
+import com.boydti.fawe.FaweCache;
+import com.boydti.fawe.config.BBC;
+import com.boydti.fawe.config.Settings;
+import com.boydti.fawe.database.DBHandler;
+import com.boydti.fawe.database.RollbackDatabase;
+import com.boydti.fawe.object.FawePlayer;
+import com.boydti.fawe.object.RunnableVal;
+import com.boydti.fawe.object.change.MutableFullBlockChange;
+import com.boydti.fawe.object.changeset.DiskStorageHistory;
+import com.boydti.fawe.util.EditSessionBuilder;
+import com.boydti.fawe.util.MainUtil;
+import com.sk89q.worldedit.LocalConfiguration;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.WorldVector;
+import com.sk89q.worldedit.WorldVectorFace;
+import com.sk89q.worldedit.command.tool.BrushTool;
+import com.sk89q.worldedit.command.tool.DoubleActionTraceTool;
 import com.sk89q.worldedit.entity.Player;
-import com.sk89q.worldedit.function.pattern.Pattern;
+import com.sk89q.worldedit.extension.platform.Actor;
+import com.sk89q.worldedit.extension.platform.Platform;
+import com.sk89q.worldedit.world.World;
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.UUID;
+import java.util.concurrent.atomic.AtomicInteger;
 
-public class InspectBrush implements Brush {
+public class InspectBrush extends BrushTool implements DoubleActionTraceTool {
 
-    private final Player player;
-    private final int radius;
-
-    public InspectBrush(Player player, double radius) {
-        this.player = player;
-        this.radius = (int) radius;
+    /**
+     * Construct the tool.
+     */
+    public InspectBrush() {
+        super("worldedit.brush.inspect");
     }
 
     @Override
-    public void build(EditSession editSession, Vector position, Pattern pattern, double size) throws MaxChangedBlocksException {
-        // TODO
+    public boolean actSecondary(Platform server, LocalConfiguration config, Player player, LocalSession session) {
+        return perform(player, session, false);
+    }
+
+    @Override
+    public boolean actPrimary(Platform server, LocalConfiguration config, Player player, LocalSession session) {
+        return perform(player, session, true);
+    }
+
+    public WorldVector getTarget(Player player, boolean adjacent) {
+        WorldVector target = null;
+        int range = this.range > -1 ? getRange() : MAX_RANGE;
+        if (adjacent) {
+            WorldVectorFace face = player.getBlockTraceFace(range, true);
+            return face.getFaceVector();
+        } else {
+            return player.getBlockTrace(getRange(), true);
+        }
+    }
+
+    public boolean perform(final Player player, LocalSession session, boolean rightClick) {
+        if (!session.isToolControlEnabled() || !player.hasPermission("worldedit.brush.inspect")) {
+            BBC.NO_PERM.send(player, "worldedit.brush.inspect");
+            return false;
+        }
+        if (!Settings.HISTORY.USE_DATABASE) {
+            BBC.SETTING_DISABLE.send(player, "history.use-disk");
+            return false;
+        }
+        WorldVector target = getTarget(player, rightClick);
+        final int x = target.getBlockX();
+        final int y = target.getBlockY();
+        final int z = target.getBlockZ();
+        World world = player.getWorld();
+        final FawePlayer fp = FawePlayer.wrap(player);
+        EditSessionBuilder editSession = new EditSessionBuilder(world).player(fp);
+        String worldName = Fawe.imp().getWorldName(world);
+        RollbackDatabase db = DBHandler.IMP.getDatabase(worldName);
+        final AtomicInteger count = new AtomicInteger();
+        db.getPotentialEdits(null, 0, target, target, new RunnableVal<DiskStorageHistory>() {
+            @Override
+            public void run(DiskStorageHistory value) {
+                try {
+                    Iterator<MutableFullBlockChange> iter = value.getFullBlockIterator(false);
+                    while (iter.hasNext()) {
+                        MutableFullBlockChange change = iter.next();
+                        if (change.x != x || change.y != y || change.z != z) {
+                            continue;
+                        }
+                        int from = change.from;
+                        int to = change.to;
+                        UUID uuid = value.getUUID();
+                        String name = Fawe.imp().getName(uuid);
+                        int index = value.getIndex();
+                        long age = System.currentTimeMillis() - value.getBDFile().lastModified();
+                        String ageFormatted = MainUtil.secToTime(age / 1000);
+                        BBC.TOOL_INSPECT_INFO.send(fp, name, FaweCache.getMaterialName(from), FaweCache.getMaterialName(to), ageFormatted);
+                        count.incrementAndGet();
+                        return;
+                    }
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }, new Runnable() {
+            @Override
+            public void run() {
+                BBC.TOOL_INSPECT_INFO_FOOTER.send(fp, count);
+            }
+        });
+        return true;
+    }
+
+    @Override
+    public boolean canUse(Actor actor) {
+        return actor.hasPermission("worldedit.brush.inspect");
     }
 }
diff --git a/core/src/main/java/com/boydti/fawe/object/change/MutableFullBlockChange.java b/core/src/main/java/com/boydti/fawe/object/change/MutableFullBlockChange.java
new file mode 100644
index 00000000..2d4c5d87
--- /dev/null
+++ b/core/src/main/java/com/boydti/fawe/object/change/MutableFullBlockChange.java
@@ -0,0 +1,49 @@
+package com.boydti.fawe.object.change;
+
+import com.boydti.fawe.Fawe;
+import com.boydti.fawe.FaweCache;
+import com.boydti.fawe.object.extent.FastWorldEditExtent;
+import com.boydti.fawe.util.ExtentTraverser;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.extent.Extent;
+import com.sk89q.worldedit.history.UndoContext;
+import com.sk89q.worldedit.history.change.Change;
+
+public class MutableFullBlockChange implements Change {
+
+    public int z;
+    public int y;
+    public int x;
+    public int from;
+    public int to;
+
+
+    public MutableFullBlockChange(int x, int y, int z, int combinedFrom, int combinedTo) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.from = combinedFrom;
+        this.to = combinedTo;
+    }
+
+    @Override
+    public void undo(UndoContext context) throws WorldEditException {
+        create(context);
+    }
+
+    @Override
+    public void redo(UndoContext context) throws WorldEditException {
+        create(context);
+    }
+
+    public void create(UndoContext context) {
+        Extent extent = context.getExtent();
+        ExtentTraverser<FastWorldEditExtent> find = new ExtentTraverser(extent).find(FastWorldEditExtent.class);
+        if (find != null) {
+            FastWorldEditExtent fwee = find.get();
+            fwee.getQueue().setBlock(x, y, z, FaweCache.getId(from), FaweCache.getData(from));
+        } else {
+            Fawe.debug("FAWE doesn't support: " + extent + " for " + getClass() + " (bug Empire92)");
+        }
+    }
+}
diff --git a/core/src/main/java/com/boydti/fawe/object/change/MutablePlayerBlockChange.java b/core/src/main/java/com/boydti/fawe/object/change/MutablePlayerBlockChange.java
deleted file mode 100644
index b984b792..00000000
--- a/core/src/main/java/com/boydti/fawe/object/change/MutablePlayerBlockChange.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.boydti.fawe.object.change;
-
-import java.util.UUID;
-
-public class MutablePlayerBlockChange extends MutableBlockChange {
-    private final UUID uuid;
-
-    public MutablePlayerBlockChange(UUID uuid, int x, int y, int z, short id, byte data) {
-        super(x, y, z, id, data);
-        this.uuid = uuid;
-    }
-
-    public UUID getUIID() {
-        return uuid;
-    }
-}
diff --git a/core/src/main/java/com/boydti/fawe/object/changeset/FaweStreamChangeSet.java b/core/src/main/java/com/boydti/fawe/object/changeset/FaweStreamChangeSet.java
index 2471c195..9d630da0 100644
--- a/core/src/main/java/com/boydti/fawe/object/changeset/FaweStreamChangeSet.java
+++ b/core/src/main/java/com/boydti/fawe/object/changeset/FaweStreamChangeSet.java
@@ -1,9 +1,11 @@
 package com.boydti.fawe.object.changeset;
 
 import com.boydti.fawe.config.Settings;
+import com.boydti.fawe.object.FaweInputStream;
 import com.boydti.fawe.object.FaweOutputStream;
 import com.boydti.fawe.object.change.MutableBlockChange;
 import com.boydti.fawe.object.change.MutableEntityChange;
+import com.boydti.fawe.object.change.MutableFullBlockChange;
 import com.boydti.fawe.object.change.MutableTileChange;
 import com.boydti.fawe.util.MainUtil;
 import com.sk89q.jnbt.CompoundTag;
@@ -226,6 +228,65 @@ public abstract class FaweStreamChangeSet extends FaweChangeSet {
         };
     }
 
+    public Iterator<MutableFullBlockChange> getFullBlockIterator(final boolean dir) throws IOException {
+        final FaweInputStream is = new FaweInputStream(getBlockIS());
+        if (is == null) {
+            return new ArrayList<MutableFullBlockChange>().iterator();
+        }
+        final MutableFullBlockChange change = new MutableFullBlockChange(0, 0, 0, 0, 0);
+        return new Iterator<MutableFullBlockChange>() {
+            private MutableFullBlockChange last = read();
+            public MutableFullBlockChange read() {
+                try {
+                    int read0 = is.read();
+                    if (read0 == -1) {
+                        return null;
+                    }
+                    int x = ((byte) read0 & 0xFF) + ((byte) is.read() << 8) + originX;
+                    int z = ((byte) is.read() & 0xFF) + ((byte) is.read() << 8) + originZ;
+                    int y = is.read() & 0xff;
+                    change.x = x;
+                    change.y = y;
+                    change.z = z;
+                    change.from = ((byte) is.read() & 0xFF) + ((byte) is.read() << 8);
+                    change.to = ((byte) is.read() & 0xFF) + ((byte) is.read() << 8);
+                    return change;
+                } catch (Exception ignoreEOF) {
+                    MainUtil.handleError(ignoreEOF);
+                }
+                return null;
+            }
+
+            @Override
+            public boolean hasNext() {
+                if (last == null) {
+                    last = read();
+                }
+                if (last != null) {
+                    return true;
+                }
+                try {
+                    is.close();
+                } catch (IOException e) {
+                    MainUtil.handleError(e);
+                }
+                return false;
+            }
+
+            @Override
+            public MutableFullBlockChange next() {
+                MutableFullBlockChange tmp = last;
+                last = null;
+                return tmp;
+            }
+
+            @Override
+            public void remove() {
+                throw new IllegalArgumentException("CANNOT REMOVE");
+            }
+        };
+    }
+
     public Iterator<MutableEntityChange> getEntityIterator(final NBTInputStream is, final boolean create, final boolean dir) {
         if (is == null) {
             return new ArrayList<MutableEntityChange>().iterator();
diff --git a/core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java b/core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java
index cd4d396d..fef759dd 100644
--- a/core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java
+++ b/core/src/main/java/com/boydti/fawe/object/extent/ProcessedWEExtent.java
@@ -33,7 +33,16 @@ public class ProcessedWEExtent extends FaweRegionExtent {
         if (!limit.MAX_ENTITIES() || entity == null) {
             return null;
         }
-        return super.createEntity(location, entity);
+        if (WEManager.IMP.maskContains(this.mask, location.getBlockX(), location.getBlockZ())) {
+            if (!limit.MAX_CHANGES()) {
+                WEManager.IMP.cancelEditSafe(this, BBC.WORLDEDIT_CANCEL_REASON_MAX_CHANGES);
+                return null;
+            }
+            return super.createEntity(location, entity);
+        } else if (!limit.MAX_FAILS()) {
+            WEManager.IMP.cancelEditSafe(this, BBC.WORLDEDIT_CANCEL_REASON_MAX_FAILS);
+        }
+        return null;
     }
 
     @Override
diff --git a/core/src/main/java/com/boydti/fawe/util/WEManager.java b/core/src/main/java/com/boydti/fawe/util/WEManager.java
index 9c0de58d..d95dc1d2 100644
--- a/core/src/main/java/com/boydti/fawe/util/WEManager.java
+++ b/core/src/main/java/com/boydti/fawe/util/WEManager.java
@@ -22,7 +22,7 @@ public class WEManager {
 
     public final ArrayDeque<FaweMaskManager> managers = new ArrayDeque<>();
 
-    public void cancelEdit(Extent parent, BBC reason) throws WorldEditException {
+    public void cancelEditSafe(Extent parent, BBC reason) throws FaweException {
         try {
             final Field field = AbstractDelegateExtent.class.getDeclaredField("extent");
             field.setAccessible(true);
@@ -33,6 +33,10 @@ public class WEManager {
         throw new FaweException(reason);
     }
 
+    public void cancelEdit(Extent parent, BBC reason) throws WorldEditException {
+        cancelEditSafe(parent, reason);
+    }
+
     public boolean maskContains(final HashSet<RegionWrapper> mask, final int x, final int z) {
         for (final RegionWrapper region : mask) {
             if ((x >= region.minX) && (x <= region.maxX) && (z >= region.minZ) && (z <= region.maxZ)) {
diff --git a/core/src/main/java/com/sk89q/worldedit/command/BrushCommands.java b/core/src/main/java/com/sk89q/worldedit/command/BrushCommands.java
index ce32cc9a..66d84a2f 100644
--- a/core/src/main/java/com/sk89q/worldedit/command/BrushCommands.java
+++ b/core/src/main/java/com/sk89q/worldedit/command/BrushCommands.java
@@ -27,7 +27,6 @@ import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.brush.CommandBrush;
 import com.boydti.fawe.object.brush.CopyBrush;
 import com.boydti.fawe.object.brush.HeightBrush;
-import com.boydti.fawe.object.brush.InspectBrush;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
@@ -80,24 +79,6 @@ public class BrushCommands {
         this.worldEdit = worldEdit;
     }
 
-    @Command(
-            aliases = { "inspect", "i" },
-            usage = "<radius>",
-            desc = "Inspect edits within a radius",
-            help =
-                    "Chooses the inspect brush",
-            min = 0,
-            max = 1
-    )
-    @CommandPermissions("worldedit.brush.inspect")
-    public void inspectBrush(Player player, LocalSession session, EditSession editSession, @Optional("1") double radius) throws WorldEditException {
-        worldEdit.checkMaxBrushRadius(radius);
-        BrushTool tool = session.getBrushTool(player.getItemInHand());
-        tool.setSize(radius);
-        tool.setBrush(new InspectBrush(player, radius), "worldedit.brush.inspect");
-        BBC.BRUSH_INSPECT.send(player, radius);
-    }
-
     @Command(
             aliases = { "sphere", "s" },
             usage = "<pattern> [radius]",
diff --git a/core/src/main/java/com/sk89q/worldedit/command/HistoryCommands.java b/core/src/main/java/com/sk89q/worldedit/command/HistoryCommands.java
index 26b7f998..983a2ab3 100644
--- a/core/src/main/java/com/sk89q/worldedit/command/HistoryCommands.java
+++ b/core/src/main/java/com/sk89q/worldedit/command/HistoryCommands.java
@@ -19,12 +19,22 @@
 
 package com.sk89q.worldedit.command;
 
+import com.boydti.fawe.Fawe;
 import com.boydti.fawe.config.BBC;
+import com.boydti.fawe.util.MainUtil;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
-import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.WorldVector;
 import com.sk89q.worldedit.entity.Player;
+import com.sk89q.worldedit.world.World;
+import java.util.UUID;
+
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
@@ -45,6 +55,34 @@ public class HistoryCommands {
         this.worldEdit = worldEdit;
     }
 
+    @Command(
+            aliases = { "/frb", "frb", "fawerollback", "/fawerollback" },
+            usage = "<user> <radius> <time>",
+            desc = "Undo edits within a radius",
+            min = 3,
+            max = 3
+    )
+    @CommandPermissions("worldedit.history.undo")
+    public void faweRollback(Player player, LocalSession session, String user, int radius, String time) throws WorldEditException {
+        UUID other = Fawe.imp().getUUID(user);
+        if (other == null) {
+            BBC.PLAYER_NOT_FOUND.send(player, user);
+            return;
+        }
+        long timeDiff = MainUtil.timeToSec(time) * 1000;
+        if (timeDiff == 0) {
+            BBC.COMMAND_SYNTAX.send(player, "/frb " + user + " " + radius + " <time>");
+            return;
+        }
+        radius = Math.max(Math.min(500, radius), 0);
+        World world = player.getWorld();
+        WorldVector origin = player.getPosition();
+        Vector bot = origin.subtract(radius, radius, radius);
+        Vector top = origin.add(radius, radius, radius);
+
+        // TODO
+    }
+
     @Command(
             aliases = { "/undo", "undo" },
             usage = "[times] [player]",
diff --git a/core/src/main/java/com/sk89q/worldedit/command/ToolCommands.java b/core/src/main/java/com/sk89q/worldedit/command/ToolCommands.java
new file mode 100644
index 00000000..d546dc68
--- /dev/null
+++ b/core/src/main/java/com/sk89q/worldedit/command/ToolCommands.java
@@ -0,0 +1,215 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.command;
+
+import com.boydti.fawe.config.BBC;
+import com.boydti.fawe.object.brush.InspectBrush;
+import com.sk89q.minecraft.util.commands.Command;
+import com.sk89q.minecraft.util.commands.CommandContext;
+import com.sk89q.minecraft.util.commands.CommandPermissions;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.LocalConfiguration;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.blocks.ItemType;
+import com.sk89q.worldedit.command.tool.BlockDataCyler;
+import com.sk89q.worldedit.command.tool.BlockReplacer;
+import com.sk89q.worldedit.command.tool.DistanceWand;
+import com.sk89q.worldedit.command.tool.FloatingTreeRemover;
+import com.sk89q.worldedit.command.tool.FloodFillTool;
+import com.sk89q.worldedit.command.tool.LongRangeBuildTool;
+import com.sk89q.worldedit.command.tool.QueryTool;
+import com.sk89q.worldedit.command.tool.TreePlanter;
+import com.sk89q.worldedit.entity.Player;
+import com.sk89q.worldedit.patterns.Pattern;
+import com.sk89q.worldedit.util.TreeGenerator;
+import com.sk89q.worldedit.util.command.parametric.Optional;
+
+public class ToolCommands {
+    private final WorldEdit we;
+
+    public ToolCommands(WorldEdit we) {
+        this.we = we;
+    }
+
+    @Command(
+            aliases = { "inspect", "i" },
+            usage = "",
+            desc = "Inspect edits within a radius",
+            help =
+                    "Chooses the inspect brush",
+            min = 0,
+            max = 0
+    )
+    @CommandPermissions("worldedit.brush.inspect")
+    public void inspectBrush(Player player, LocalSession session, EditSession editSession, @Optional("1") double radius) throws WorldEditException {
+        session.setTool(player.getItemInHand(), new InspectBrush());
+        BBC.TOOL_INSPECT.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "none" },
+            usage = "",
+            desc = "Unbind a bound tool from your current item",
+            min = 0,
+            max = 0
+    )
+    public void none(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+        session.setTool(player.getItemInHand(), null);
+        BBC.TOOL_NONE.send(player);
+    }
+
+    @Command(
+            aliases = { "info" },
+            usage = "",
+            desc = "Block information tool",
+            min = 0,
+            max = 0
+    )
+    @CommandPermissions("worldedit.tool.info")
+    public void info(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+        session.setTool(player.getItemInHand(), new QueryTool());
+        BBC.TOOL_INFO.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "tree" },
+            usage = "[type]",
+            desc = "Tree generator tool",
+            min = 0,
+            max = 1
+    )
+    @CommandPermissions("worldedit.tool.tree")
+    @SuppressWarnings("deprecation")
+    public void tree(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+
+        TreeGenerator.TreeType type = args.argsLength() > 0 ?
+                type = TreeGenerator.lookup(args.getString(0))
+                : TreeGenerator.TreeType.TREE;
+
+        if (type == null) {
+            BBC.TOOL_TREE_ERROR.send(player, args.getString(0));
+            return;
+        }
+
+        session.setTool(player.getItemInHand(), new TreePlanter(new TreeGenerator(type)));
+        BBC.TOOL_TREE.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "repl" },
+            usage = "<block>",
+            desc = "Block replacer tool",
+            min = 1,
+            max = 1
+    )
+    @CommandPermissions("worldedit.tool.replacer")
+    public void repl(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+        BaseBlock targetBlock = we.getBlock(player, args.getString(0));
+        session.setTool(player.getItemInHand(), new BlockReplacer(targetBlock));
+        BBC.TOOL_REPL.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "cycler" },
+            usage = "",
+            desc = "Block data cycler tool",
+            min = 0,
+            max = 0
+    )
+    @CommandPermissions("worldedit.tool.data-cycler")
+    public void cycler(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+
+        session.setTool(player.getItemInHand(), new BlockDataCyler());
+        BBC.TOOL_CYCLER.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "floodfill", "flood" },
+            usage = "<pattern> <range>",
+            desc = "Flood fill tool",
+            min = 2,
+            max = 2
+    )
+    @CommandPermissions("worldedit.tool.flood-fill")
+    public void floodFill(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+
+        LocalConfiguration config = we.getConfiguration();
+        int range = args.getInteger(1);
+
+        if (range > config.maxSuperPickaxeSize) {
+            BBC.TOOL_FLOOD_FILL_RANGE_ERROR.send(player, config.maxSuperPickaxeSize);
+            return;
+        }
+
+        Pattern pattern = we.getBlockPattern(player, args.getString(0));
+        session.setTool(player.getItemInHand(), new FloodFillTool(range, pattern));
+        BBC.TOOL_FLOOD_FILL.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "deltree" },
+            usage = "",
+            desc = "Floating tree remover tool",
+            min = 0,
+            max = 0
+    )
+    @CommandPermissions("worldedit.tool.deltree")
+    public void deltree(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+        session.setTool(player.getItemInHand(), new FloatingTreeRemover());
+        BBC.TOOL_DELTREE.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "farwand" },
+            usage = "",
+            desc = "Wand at a distance tool",
+            min = 0,
+            max = 0
+    )
+    @CommandPermissions("worldedit.tool.farwand")
+    public void farwand(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+        session.setTool(player.getItemInHand(), new DistanceWand());
+        BBC.TOOL_FARWAND.send(player, ItemType.toHeldName(player.getItemInHand()));
+    }
+
+    @Command(
+            aliases = { "lrbuild", "/lrbuild" },
+            usage = "<leftclick block> <rightclick block>",
+            desc = "Long-range building tool",
+            min = 2,
+            max = 2
+    )
+    @CommandPermissions("worldedit.tool.lrbuild")
+    public void longrangebuildtool(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+
+        BaseBlock secondary = we.getBlock(player, args.getString(0));
+        BaseBlock primary = we.getBlock(player, args.getString(1));
+        session.setTool(player.getItemInHand(), new LongRangeBuildTool(primary, secondary));
+        BBC.TOOL_LRBUILD_BOUND.send(player, ItemType.toHeldName(player.getItemInHand()));
+        BBC.TOOL_LRBUILD_INFO.send(player, ItemType.toName(secondary.getType()), ItemType.toName(primary.getType()));
+    }
+
+    public static Class<?> inject() {
+        return ToolCommands.class;
+    }
+}
\ No newline at end of file