Merge branch 'master' into bot-system

DMCA gang

PROTOCOL.md

@@ -0,0 +1,36 @@
+# Baritone Comms Protocol
+
+## Data Types
+
+| Name       | Descriptor                                                | Java                        |
+|------------|-----------------------------------------------------------|-----------------------------|
+| coordinate | Big endian 8-byte floating point number                   | [readDouble], [writeDouble] |
+| string     | unsigned short (length) followed by UTF-8 character bytes | [readUTF],    [writeUTF]    |
+
+## Inbound
+
+Allows the server to execute a chat command on behalf of the client's player
+
+### Chat
+
+| Name    | Type   |
+|---------|--------|
+| Message | string |
+
+## Outbound
+
+Update the player position with the server
+
+### Status
+
+| Name | Type       |
+|------|------------|
+| X    | coordinate |
+| Y    | coordinate |
+| Z    | coordinate |
+
+<!-- External links -->
+[readUTF]:     https://docs.oracle.com/javase/7/docs/api/java/io/DataInputStream.html#readUTF()
+[writeUTF]:    https://docs.oracle.com/javase/7/docs/api/java/io/DataOutputStream.html#writeUTF(java.lang.String)
+[readDouble]:  https://docs.oracle.com/javase/7/docs/api/java/io/DataInputStream.html#readDouble()
+[writeDouble]: https://docs.oracle.com/javase/7/docs/api/java/io/DataOutputStream.html#writeDouble(double)

buildSrc/src/main/java/baritone/gradle/task/ProguardTask.java

@@ -34,6 +34,7 @@ import java.lang.reflect.Field;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -113,6 +114,7 @@ public class ProguardTask extends BaritoneGradleTask {
         Process p = new ProcessBuilder("java", "-verbose").start();
         String out = IOUtils.toString(p.getInputStream(), "UTF-8").split("\n")[0].split("Opened ")[1].replace("]", "");
         template.add(2, "-libraryjars '" + out + "'");
+        template.add(3, "-libraryjars '" + Paths.get(out).resolveSibling("jce.jar") + "'");
 
         // API config doesn't require any changes from the changes that we made to the template
         Files.write(getTemporaryFile(PROGUARD_API_CONFIG), template);

src/api/java/baritone/api/IBaritoneProvider.java

@@ -17,6 +17,7 @@
 
 package baritone.api;
 
+import baritone.api.bot.IUserManager;
 import baritone.api.cache.IWorldScanner;
 import baritone.api.command.ICommand;
 import baritone.api.command.ICommandSystem;
@@ -69,13 +70,18 @@ public interface IBaritoneProvider {
     }
 
     /**
-     * Returns the {@link IWorldScanner} instance. This is not a type returned by
-     * {@link IBaritone} implementation, because it is not linked with {@link IBaritone}.
+     * Returns the {@link IWorldScanner} instance. This is not a type returned by a
+     * {@link IBaritone} implementation because it is not linked with {@link IBaritone}.
      *
      * @return The {@link IWorldScanner} instance.
      */
     IWorldScanner getWorldScanner();
 
+    /**
+     * @return The {@link IUserManager} instance.
+     */
+    IUserManager getUserManager();
+
     /**
      * Returns the {@link ICommandSystem} instance. This is not bound to a specific {@link IBaritone}
      * instance because {@link ICommandSystem} itself controls global behavior for {@link ICommand}s.

src/api/java/baritone/api/bot/IBaritoneUser.java

@@ -0,0 +1,80 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.api.bot;
+
+import baritone.api.IBaritone;
+import baritone.api.utils.IPlayerController;
+import com.mojang.authlib.GameProfile;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.network.INetHandler;
+import net.minecraft.network.NetworkManager;
+import net.minecraft.network.play.INetHandlerPlayClient;
+import net.minecraft.util.Session;
+
+/**
+ * @author Brady
+ * @since 10/23/2018
+ */
+public interface IBaritoneUser {
+
+    /**
+     * @return The network manager that is responsible for the current connection.
+     */
+    NetworkManager getNetworkManager();
+
+    /**
+     * Returns the current play network handler. Can also be acquired via
+     * {@link NetworkManager#getNetHandler()} from {@link #getNetworkManager()},
+     * and checking if the {@link INetHandler} is an instance of {@link INetHandlerPlayClient}.
+     *
+     * @return The current play network handler
+     */
+    INetHandlerPlayClient getConnection();
+
+    /**
+     * @return The locally managed entity for this user.
+     */
+    EntityPlayerSP getEntity();
+
+    /**
+     * @return The bot player controller
+     */
+    IPlayerController getPlayerController();
+
+    /**
+     * Returns the user login session. Should never be {@code null}, as this should be set when the
+     * user is constructed.
+     *
+     * @return This users's login session
+     */
+    Session getSession();
+
+    /**
+     * Returns the game profile for the account represented by this user.
+     *
+     * @return This users's profile.
+     */
+    GameProfile getProfile();
+
+    /**
+     * @return The manager that spawned this {@link IBaritoneUser}.
+     */
+    IUserManager getManager();
+
+    IBaritone getBaritone();
+}

src/api/java/baritone/api/bot/IUserManager.java

@@ -0,0 +1,73 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.api.bot;
+
+import baritone.api.bot.connect.IConnectionResult;
+import com.mojang.authlib.GameProfile;
+import net.minecraft.util.Session;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author Brady
+ * @since 1/17/2019
+ */
+public interface IUserManager {
+
+    /**
+     * Connects a new user with the specified {@link Session} to the current server.
+     *
+     * @param session The user session
+     * @return The result of the attempted connection
+     */
+    IConnectionResult connect(Session session);
+
+    /**
+     * Disconnects the specified {@link IBaritoneUser} from its current server.
+     *
+     * @param user The user to disconnect
+     */
+    void disconnect(IBaritoneUser user);
+
+    /**
+     * Finds the {@link IBaritoneUser} associated with the specified {@link GameProfile}
+     *
+     * @param profile The game profile of the user
+     * @return The user, {@link Optional#empty()} if no match or {@code profile} is {@code null}
+     */
+    default Optional<IBaritoneUser> getUserByProfile(GameProfile profile) {
+        return profile == null ? Optional.empty() : users().stream().filter(user -> user.getProfile().equals(profile)).findFirst();
+    }
+
+    /**
+     * Finds the {@link IBaritoneUser} associated with the specified {@link UUID}
+     *
+     * @param uuid The uuid of the user
+     * @return The user, {@link Optional#empty()} if no match or {@code uuid} is {@code null}
+     */
+    default Optional<IBaritoneUser> getUserByUUID(UUID uuid) {
+        return uuid == null ? Optional.empty() : users().stream().filter(user -> user.getProfile().getId().equals(uuid)).findFirst();
+    }
+
+    /**
+     * @return All of the users held by this manager
+     */
+    List<IBaritoneUser> users();
+}

src/api/java/baritone/api/bot/connect/ConnectionStatus.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.api.bot.connect;
+
+/**
+ * @author Brady
+ * @since 11/6/2018
+ */
+public enum ConnectionStatus {
+
+    /**
+     * The local player is not connected to a server, therefore, there is no target server to connect to.
+     */
+    NO_CURRENT_CONNECTION,
+
+    /**
+     * The IP of the targetted address to connect to could not be resolved.
+     */
+    CANT_RESOLVE_HOST,
+
+    /**
+     * The connection initialization failed.
+     */
+    CONNECTION_FAILED,
+
+    /**
+     * The connection was a success
+     */
+    SUCCESS
+}

src/api/java/baritone/api/bot/connect/IConnectionResult.java

@@ -0,0 +1,44 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.api.bot.connect;
+
+import baritone.api.bot.IBaritoneUser;
+
+import java.util.Optional;
+
+/**
+ * @author Brady
+ * @since 1/17/2019
+ */
+public interface IConnectionResult {
+
+    /**
+     * @return The actual status of the connection attempt.
+     * @see ConnectionStatus
+     */
+    ConnectionStatus getStatus();
+
+    /**
+     * Returns the user that was created in this connection this result reflects, if
+     * {@link #getStatus()} is {@link ConnectionStatus#SUCCESS}, otherwise it will
+     * return {@link Optional#empty()}.
+     *
+     * @return The user created in the connection
+     */
+    Optional<IBaritoneUser> getUser();
+}

src/api/java/baritone/api/pathing/calc/IPath.java

@@ -105,7 +105,7 @@ public interface IPath {
      * Returns the estimated number of ticks to complete the path from the given node index.
      *
      * @param pathPosition The index of the node we're calculating from
-     * @return The estimated number of ticks remaining frm the given position
+     * @return The estimated number of ticks remaining from the given position
      */
     default double ticksRemainingFrom(int pathPosition) {
         double sum = 0;
@@ -117,6 +117,15 @@ public interface IPath {
         return sum;
     }
 
+    /**
+     * Returns the estimated amount of time needed to complete this path from start to finish
+     *
+     * @return The estimated amount of time, in ticks
+     */
+    default double totalTicks() {
+        return ticksRemainingFrom(0);
+    }
+
     /**
      * Cuts off this path at the loaded chunk border, and returns the resulting path. Default
      * implementation just returns this path, without the intended functionality.

src/api/java/baritone/api/utils/IPlayerController.java

@@ -46,6 +46,8 @@ public interface IPlayerController {
 
     ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, EntityPlayer player);
 
+    void setGameType(GameType type);
+
     GameType getGameType();
 
     EnumActionResult processRightClickBlock(EntityPlayerSP player, World world, BlockPos pos, EnumFacing direction, Vec3d vec, EnumHand hand);

src/main/java/baritone/Baritone.java

@@ -25,12 +25,11 @@ import baritone.api.utils.Helper;
 import baritone.api.utils.IPlayerContext;
 import baritone.behavior.*;
 import baritone.cache.WorldProvider;
+import baritone.command.manager.CommandManager;
 import baritone.event.GameEventHandler;
 import baritone.process.*;
 import baritone.selection.SelectionManager;
 import baritone.utils.*;
-import baritone.command.manager.CommandManager;
-import baritone.utils.player.PrimaryPlayerContext;
 import net.minecraft.client.Minecraft;
 
 import java.io.File;
@@ -87,11 +86,11 @@ public class Baritone implements IBaritone {
 
     public BlockStateInterface bsi;
 
-    Baritone() {
+    public Baritone(IPlayerContext playerContext) {
         this.gameEventHandler = new GameEventHandler(this);
 
         // Define this before behaviors try and get it, or else it will be null and the builds will fail!
-        this.playerContext = PrimaryPlayerContext.INSTANCE;
+        this.playerContext = playerContext;
 
         {
             // the Behavior constructor calls baritone.registerBehavior(this) so this populates the behaviors arraylist
@@ -234,4 +233,4 @@ public class Baritone implements IBaritone {
     public static Executor getExecutor() {
         return threadPool;
     }
-}
+}

src/main/java/baritone/BaritoneProvider.java

@@ -19,15 +19,19 @@ package baritone;
 
 import baritone.api.IBaritone;
 import baritone.api.IBaritoneProvider;
+import baritone.api.bot.IBaritoneUser;
+import baritone.api.bot.IUserManager;
 import baritone.api.cache.IWorldScanner;
 import baritone.api.command.ICommandSystem;
+import baritone.bot.UserManager;
 import baritone.api.schematic.ISchematicSystem;
 import baritone.command.BaritoneChatControl;
 import baritone.cache.WorldScanner;
 import baritone.command.CommandSystem;
+import baritone.utils.player.PrimaryPlayerContext;
 import baritone.utils.schematic.SchematicSystem;
 
-import java.util.Collections;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -37,11 +41,9 @@ import java.util.List;
 public final class BaritoneProvider implements IBaritoneProvider {
 
     private final Baritone primary;
-    private final List<IBaritone> all;
 
     {
-        this.primary = new Baritone();
-        this.all = Collections.singletonList(this.primary);
+        this.primary = new Baritone(PrimaryPlayerContext.INSTANCE);
 
         // Setup chat control, just for the primary instance
         new BaritoneChatControl(this.primary);
@@ -54,7 +56,12 @@ public final class BaritoneProvider implements IBaritoneProvider {
 
     @Override
     public List<IBaritone> getAllBaritones() {
-        return all;
+        List<IBaritone> baritones = new ArrayList<>();
+        baritones.add(getPrimaryBaritone());
+        for (IBaritoneUser ibu : UserManager.INSTANCE.users()) {
+            baritones.add(ibu.getBaritone());
+        }
+        return baritones;
     }
 
     @Override
@@ -62,6 +69,11 @@ public final class BaritoneProvider implements IBaritoneProvider {
         return WorldScanner.INSTANCE;
     }
 
+    @Override
+    public IUserManager getUserManager() {
+        return UserManager.INSTANCE;
+    }
+
     @Override
     public ICommandSystem getCommandSystem() {
         return CommandSystem.INSTANCE;

src/main/java/baritone/behavior/MemoryBehavior.java

@@ -32,6 +32,7 @@ import net.minecraft.block.BlockBed;
 import net.minecraft.init.Blocks;
 import net.minecraft.item.ItemStack;
 import net.minecraft.network.Packet;
+import net.minecraft.network.play.client.CPacketClickWindow;
 import net.minecraft.network.play.client.CPacketCloseWindow;
 import net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock;
 import net.minecraft.network.play.server.SPacketCloseWindow;
@@ -117,6 +118,11 @@ public final class MemoryBehavior extends Behavior {
             if (p instanceof CPacketCloseWindow) {
                 getCurrent().save();
             }
+
+            if (p instanceof CPacketClickWindow) {
+                CPacketClickWindow c = event.cast();
+                System.out.println("CLICK " + c.getWindowId() + " " + c.getSlotId() + " " + c.getUsedButton() + " " + c.getClickType());
+            }
         }
     }
 
@@ -154,9 +160,21 @@ public final class MemoryBehavior extends Behavior {
             if (p instanceof SPacketCloseWindow) {
                 getCurrent().save();
             }
+
+            // apparently doesn't happen
+            /*if (p instanceof SPacketWindowItems) {
+                SPacketWindowItems meme = (SPacketWindowItems) p;
+                if (meme.getWindowId() == ctx.player().openContainer.windowId && enderChestWindowId != null && meme.getWindowId() == enderChestWindowId) {
+                    System.out.println("RECEIVED GUARANTEED ECHEST CONTENTS" + meme.getItemStacks());
+                }
+            }*/
         }
     }
 
+    public boolean eChestOpen() {
+        return enderChestWindowId != null && ctx.player().openContainer.windowId == enderChestWindowId;
+    }
+
     @Override
     public void onBlockInteract(BlockInteractEvent event) {
         if (event.getType() == BlockInteractEvent.Type.USE && BlockStateInterface.getBlock(ctx, event.getPos()) instanceof BlockBed) {

src/main/java/baritone/bot/BaritoneUser.java

@@ -0,0 +1,110 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot;
+
+import baritone.Baritone;
+import baritone.api.IBaritone;
+import baritone.api.bot.IBaritoneUser;
+import baritone.api.bot.IUserManager;
+import baritone.api.utils.IPlayerController;
+import baritone.bot.spec.BotWorld;
+import baritone.bot.spec.EntityBot;
+import com.mojang.authlib.GameProfile;
+import net.minecraft.network.NetworkManager;
+import net.minecraft.network.play.INetHandlerPlayClient;
+import net.minecraft.util.Session;
+
+/**
+ * Implementation of {@link IBaritoneUser}
+ *
+ * @author Brady
+ * @since 11/6/2018
+ */
+public class BaritoneUser implements IBaritoneUser {
+
+    private final UserManager manager;
+    private final NetworkManager networkManager;
+    private final Session session;
+
+    private GameProfile profile;
+    private INetHandlerPlayClient netHandlerPlayClient;
+
+    private BotWorld world;
+    private EntityBot player;
+    private IPlayerController playerController;
+
+    private final Baritone baritone;
+
+    BaritoneUser(UserManager manager, NetworkManager networkManager, Session session) {
+        this.manager = manager;
+        this.networkManager = networkManager;
+        this.session = session;
+        this.baritone = new Baritone(new BotPlayerContext(this));
+    }
+
+    public void onLoginSuccess(GameProfile profile, INetHandlerPlayClient netHandlerPlayClient) {
+        this.profile = profile;
+        this.netHandlerPlayClient = netHandlerPlayClient;
+    }
+
+    public void onWorldLoad(BotWorld world, EntityBot player, IPlayerController playerController) {
+        this.world = world;
+        this.player = player;
+        this.playerController = playerController;
+    }
+
+    @Override
+    public NetworkManager getNetworkManager() {
+        return this.networkManager;
+    }
+
+    @Override
+    public INetHandlerPlayClient getConnection() {
+        return this.netHandlerPlayClient;
+    }
+
+    @Override
+    public EntityBot getEntity() {
+        return this.player;
+    }
+
+    @Override
+    public IPlayerController getPlayerController() {
+        return this.playerController;
+    }
+
+    @Override
+    public Session getSession() {
+        return this.session;
+    }
+
+    @Override
+    public GameProfile getProfile() {
+        return this.profile;
+    }
+
+    @Override
+    public UserManager getManager() {
+        return this.manager;
+    }
+
+    @Override
+    public IBaritone getBaritone() {
+        return baritone;
+    }
+}

src/main/java/baritone/bot/BotPlayerContext.java

@@ -0,0 +1,80 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot;
+
+import baritone.api.bot.IBaritoneUser;
+import baritone.api.cache.IWorldData;
+import baritone.api.utils.IPlayerContext;
+import baritone.api.utils.IPlayerController;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.world.World;
+
+public class BotPlayerContext implements IPlayerContext {
+
+    /**
+     * The backing {@link IBaritoneUser}
+     */
+    private final IBaritoneUser bot;
+
+    public BotPlayerContext(IBaritoneUser bot) {
+        this.bot = bot;
+    }
+
+    @Override
+    public EntityPlayerSP player() {
+        if (bot.getEntity() == null) {
+            return null;
+        }
+        return bot.getEntity();
+    }
+
+    @Override
+    public IPlayerController playerController() {
+        if (bot.getEntity() == null) {
+            return null;
+        }
+        return bot.getPlayerController();
+    }
+
+    @Override
+    public World world() {
+        if (bot.getEntity() == null) {
+            return null;
+        }
+        return bot.getEntity().world;
+    }
+
+    @Override
+    public IWorldData worldData() {
+        return bot.getBaritone().getWorldProvider().getCurrentWorld();
+    }
+
+    @Override
+    public RayTraceResult objectMouseOver() {
+        Entity entity = this.bot.getEntity();
+
+        if (entity != null) {
+            double blockReachDistance = this.bot.getPlayerController().getBlockReachDistance();
+            return entity.rayTrace(blockReachDistance, 1.0F);
+        }
+
+        return null;
+    }
+}

src/main/java/baritone/bot/BotWorldProvider.java

@@ -0,0 +1,66 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot;
+
+import baritone.bot.spec.BotWorld;
+import it.unimi.dsi.fastutil.ints.Int2ObjectArrayMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import net.minecraft.world.GameType;
+import net.minecraft.world.WorldSettings;
+import net.minecraft.world.WorldType;
+
+/**
+ * @author Brady
+ * @since 11/7/2018
+ */
+public class BotWorldProvider {
+
+    /**
+     * Generic world settings for a typical survival world.
+     */
+    private static final WorldSettings GENERIC_WORLD_SETTINGS = new WorldSettings(0L, GameType.SURVIVAL, true, false, WorldType.DEFAULT);
+
+    /**
+     * All of the dimensions mapped to their respective worlds.
+     */
+    private final Int2ObjectMap<BotWorld> worlds = new Int2ObjectArrayMap<>();
+
+    /**
+     * Gets or creates the {@link BotWorld} for the specified dimension
+     *
+     * @param dimension The dimension id
+     * @return The world
+     */
+    public BotWorld getWorld(int dimension) {
+        return worlds.computeIfAbsent(dimension, this::createWorldForDim);
+    }
+
+    /**
+     * Creates a new {@link BotWorld} for the given dimension id.
+     *
+     * @param dimension The dimension id
+     * @return The new world
+     */
+    private BotWorld createWorldForDim(int dimension) {
+        return new BotWorld(GENERIC_WORLD_SETTINGS, dimension);
+    }
+
+    public void tick() {
+        this.worlds.forEach((dim, world) -> world.updateEntities());
+    }
+}

src/main/java/baritone/bot/UserManager.java

@@ -0,0 +1,164 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot;
+
+import baritone.api.BaritoneAPI;
+import baritone.api.bot.IBaritoneUser;
+import baritone.api.bot.IUserManager;
+import baritone.api.bot.connect.IConnectionResult;
+import baritone.api.event.events.TickEvent;
+import baritone.api.event.events.type.EventState;
+import baritone.api.event.listener.AbstractGameEventListener;
+import baritone.api.utils.Helper;
+import baritone.bot.connect.ConnectionResult;
+import baritone.bot.handler.BotNetHandlerLoginClient;
+import net.minecraft.client.multiplayer.ServerAddress;
+import net.minecraft.client.multiplayer.ServerData;
+import net.minecraft.network.EnumConnectionState;
+import net.minecraft.network.NetworkManager;
+import net.minecraft.network.handshake.client.C00Handshake;
+import net.minecraft.network.login.client.CPacketLoginStart;
+import net.minecraft.util.Session;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import static baritone.api.bot.connect.ConnectionStatus.*;
+
+/**
+ * @author Brady
+ * @since 11/6/2018
+ */
+public final class UserManager implements IUserManager, Helper {
+
+    public static final UserManager INSTANCE = new UserManager();
+
+    private final List<IBaritoneUser> users = new CopyOnWriteArrayList<>();
+
+    private final BotWorldProvider worldProvider;
+
+    private UserManager() {
+        // Setup an event listener that automatically disconnects bots when we're not in-game
+        BaritoneAPI.getProvider().getPrimaryBaritone().getGameEventHandler().registerEventListener(new AbstractGameEventListener() {
+
+            @Override
+            public final void onTick(TickEvent event) {
+                if (event.getState() == EventState.PRE) {
+                    if (event.getType() == TickEvent.Type.OUT)
+                        UserManager.this.users.forEach(UserManager.this::disconnect);
+
+                    UserManager.this.worldProvider.tick();
+                }
+            }
+        });
+
+        this.worldProvider = new BotWorldProvider();
+    }
+
+    /**
+     * Connects a new user with the specified {@link Session} to the current server.
+     *
+     * @param session The user session
+     * @return The result of the attempted connection
+     */
+    @Override
+    public final IConnectionResult connect(Session session) {
+        ServerData data = mc.getCurrentServerData();
+        if (data == null) {
+            return ConnectionResult.failed(NO_CURRENT_CONNECTION);
+        }
+
+        // Connect to the server from the parsed server data
+        return connect0(session, ServerAddress.fromString(data.serverIP));
+    }
+
+    /**
+     * Connects a new user with the specified {@link Session} to the specified server.
+     * <p>
+     * Hi Mickey :)
+     *
+     * @param session The user session
+     * @param address The address of the server to connect to
+     * @return The result of the attempted connection
+     */
+    private IConnectionResult connect0(Session session, ServerAddress address) {
+        InetAddress inetAddress;
+
+        try {
+            inetAddress = InetAddress.getByName(address.getIP());
+        } catch (UnknownHostException e) {
+            return ConnectionResult.failed(CANT_RESOLVE_HOST);
+        }
+
+        try {
+            // Initialize Connection
+            NetworkManager networkManager = NetworkManager.createNetworkManagerAndConnect(
+                    inetAddress,
+                    address.getPort(),
+                    mc.gameSettings.isUsingNativeTransport()
+            );
+
+            // Create User
+            BaritoneUser user = new BaritoneUser(this, networkManager, session);
+            this.users.add(user);
+
+            // Setup login handler and send connection packets
+            networkManager.setNetHandler(new BotNetHandlerLoginClient(networkManager, user));
+            networkManager.sendPacket(new C00Handshake(address.getIP(), address.getPort(), EnumConnectionState.LOGIN));
+            networkManager.sendPacket(new CPacketLoginStart(session.getProfile()));
+
+            return ConnectionResult.success(user);
+        } catch (Exception e) {
+            return ConnectionResult.failed(CONNECTION_FAILED);
+        }
+    }
+
+    /**
+     * Notifies the manager of an {@link IBaritoneUser} disconnect, and
+     * removes the {@link IBaritoneUser} from the list of users.
+     *
+     * @param user  The user that disconnected
+     * @param state The connection state at the time of disconnect
+     */
+    public final void notifyDisconnect(IBaritoneUser user, EnumConnectionState state) {
+        this.users.remove(user);
+    }
+
+    /**
+     * @return The bot world provider
+     */
+    public final BotWorldProvider getWorldProvider() {
+        return this.worldProvider;
+    }
+
+    @Override
+    public final void disconnect(IBaritoneUser user) {
+        // It's probably fine to pass null to this, because the handlers aren't doing anything with it
+        // noinspection ConstantConditions
+        user.getNetworkManager().closeChannel(null);
+        this.users.remove(user);
+    }
+
+    @Override
+    public final List<IBaritoneUser> users() {
+        return Collections.unmodifiableList(this.users);
+    }
+}

src/main/java/baritone/bot/connect/ConnectionResult.java

@@ -0,0 +1,87 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot.connect;
+
+import baritone.api.bot.IBaritoneUser;
+import baritone.api.bot.connect.ConnectionStatus;
+import baritone.api.bot.connect.IConnectionResult;
+
+import java.util.Objects;
+import java.util.Optional;
+
+import static baritone.api.bot.connect.ConnectionStatus.SUCCESS;
+
+/**
+ * @author Brady
+ * @since 11/6/2018
+ */
+public final class ConnectionResult implements IConnectionResult {
+
+    /**
+     * The result status
+     */
+    private final ConnectionStatus status;
+
+    /**
+     * The user created, if the status is {@link ConnectionStatus#SUCCESS}
+     */
+    private final IBaritoneUser user;
+
+    private ConnectionResult(ConnectionStatus status, IBaritoneUser user) {
+        this.status = status;
+        this.user = user;
+    }
+
+    @Override
+    public ConnectionStatus getStatus() {
+        return this.status;
+    }
+
+    @Override
+    public Optional<IBaritoneUser> getUser() {
+        return Optional.ofNullable(user);
+    }
+
+    /**
+     * Creates a new failed {@link ConnectionResult}.
+     *
+     * @param status The failed connection status
+     * @return The connection result
+     * @throws IllegalArgumentException if {@code status} is {@link ConnectionStatus#SUCCESS}
+     */
+    public static ConnectionResult failed(ConnectionStatus status) {
+        if (status == SUCCESS) {
+            throw new IllegalArgumentException("Status must be a failure type");
+        }
+
+        return new ConnectionResult(status, null);
+    }
+
+    /**
+     * Creates a new success {@link ConnectionResult}.
+     *
+     * @param user The user created
+     * @return The connection result
+     * @throws IllegalArgumentException if {@code user} is {@code null}
+     */
+    public static ConnectionResult success(IBaritoneUser user) {
+        Objects.requireNonNull(user);
+
+        return new ConnectionResult(SUCCESS, user);
+    }
+}

src/main/java/baritone/bot/handler/BotNetHandlerLoginClient.java

@@ -0,0 +1,118 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot.handler;
+
+import baritone.bot.BaritoneUser;
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.exceptions.AuthenticationException;
+import com.mojang.authlib.exceptions.AuthenticationUnavailableException;
+import com.mojang.authlib.exceptions.InvalidCredentialsException;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.network.NetHandlerLoginClient;
+import net.minecraft.network.EnumConnectionState;
+import net.minecraft.network.NetworkManager;
+import net.minecraft.network.login.client.CPacketEncryptionResponse;
+import net.minecraft.network.login.server.SPacketEncryptionRequest;
+import net.minecraft.network.login.server.SPacketLoginSuccess;
+import net.minecraft.util.CryptManager;
+import net.minecraft.util.text.ITextComponent;
+import net.minecraft.util.text.TextComponentTranslation;
+
+import javax.annotation.Nonnull;
+import javax.crypto.SecretKey;
+import java.math.BigInteger;
+import java.security.PublicKey;
+
+/**
+ * Handles the login stage when connecting to a server.
+ *
+ * @author Brady
+ * @since 10/29/2018
+ */
+public class BotNetHandlerLoginClient extends NetHandlerLoginClient {
+
+    /**
+     * The {@link NetworkManager} that is managing the connection with the server.
+     */
+    private final NetworkManager networkManager;
+
+    /**
+     * The {@link Minecraft} game instance
+     */
+    private final Minecraft mc;
+
+    /**
+     * The bot of this connection
+     */
+    private final BaritoneUser user;
+
+    public BotNetHandlerLoginClient(NetworkManager networkManager, BaritoneUser user) {
+        super(networkManager, Minecraft.getMinecraft(), null);
+        this.networkManager = networkManager;
+        this.mc = Minecraft.getMinecraft();
+        this.user = user;
+    }
+
+    @Override
+    public void handleEncryptionRequest(SPacketEncryptionRequest packetIn) {
+        SecretKey secretkey = CryptManager.createNewSharedKey();
+        PublicKey publicKey = packetIn.getPublicKey();
+
+        // Setup joinServer payload info
+        GameProfile profile = this.user.getSession().getProfile();
+        String authenticationToken = this.user.getSession().getToken();
+        String serverId = new BigInteger(CryptManager.getServerIdHash(packetIn.getServerId(), publicKey, secretkey)).toString(16);
+
+        if (this.mc.getCurrentServerData() != null && this.mc.getCurrentServerData().isOnLAN()) {
+            try {
+                this.mc.getSessionService().joinServer(profile, authenticationToken, serverId);
+            } catch (AuthenticationException e) {
+                // Couldn't connect to auth servers but will continue to join LAN
+            }
+        } else {
+            try {
+                this.mc.getSessionService().joinServer(profile, authenticationToken, serverId);
+            } catch (AuthenticationUnavailableException e) {
+                this.networkManager.closeChannel(new TextComponentTranslation("disconnect.loginFailedInfo", new TextComponentTranslation("disconnect.loginFailedInfo.serversUnavailable")));
+                return;
+            } catch (InvalidCredentialsException e) {
+                this.networkManager.closeChannel(new TextComponentTranslation("disconnect.loginFailedInfo", new TextComponentTranslation("disconnect.loginFailedInfo.invalidSession")));
+                return;
+            } catch (AuthenticationException e) {
+                this.networkManager.closeChannel(new TextComponentTranslation("disconnect.loginFailedInfo", e.getMessage()));
+                return;
+            }
+        }
+
+        // noinspection unchecked
+        this.networkManager.sendPacket(new CPacketEncryptionResponse(secretkey, publicKey, packetIn.getVerifyToken()),
+                future -> BotNetHandlerLoginClient.this.networkManager.enableEncryption(secretkey));
+    }
+
+    @Override
+    public void handleLoginSuccess(SPacketLoginSuccess packetIn) {
+        this.networkManager.setConnectionState(EnumConnectionState.PLAY);
+        this.networkManager.setNetHandler(new BotNetHandlerPlayClient(this.networkManager, this.user, Minecraft.getMinecraft(), packetIn.getProfile()));
+    }
+
+    @Override
+    public void onDisconnect(@Nonnull ITextComponent reason) {
+        // It's important that we don't call the superclass method because that would mess up GUIs and make us upset
+        this.user.getManager().notifyDisconnect(this.user, EnumConnectionState.LOGIN);
+    }
+}

src/main/java/baritone/bot/handler/BotNetHandlerPlayClient.java

@@ -0,0 +1,706 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot.handler;
+
+import baritone.api.utils.Helper;
+import baritone.bot.BaritoneUser;
+import baritone.bot.spec.BotPlayerController;
+import baritone.bot.spec.BotWorld;
+import baritone.bot.spec.EntityBot;
+import com.mojang.authlib.GameProfile;
+import io.netty.buffer.Unpooled;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.client.multiplayer.ClientAdvancementManager;
+import net.minecraft.client.network.NetHandlerPlayClient;
+import net.minecraft.client.util.RecipeBookClient;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.InventoryPlayer;
+import net.minecraft.entity.player.PlayerCapabilities;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.EnumConnectionState;
+import net.minecraft.network.NetworkManager;
+import net.minecraft.network.PacketBuffer;
+import net.minecraft.network.PacketThreadUtil;
+import net.minecraft.network.play.INetHandlerPlayClient;
+import net.minecraft.network.play.client.*;
+import net.minecraft.network.play.server.*;
+import net.minecraft.potion.Potion;
+import net.minecraft.potion.PotionEffect;
+import net.minecraft.stats.StatisticsManager;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.EnumHandSide;
+import net.minecraft.util.IThreadListener;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.text.ITextComponent;
+import net.minecraft.world.Explosion;
+import net.minecraft.world.chunk.Chunk;
+
+import javax.annotation.Nonnull;
+
+// Notes
+// - Make some sort of system that prevents repetition of entity info updating
+//   - For some packets, such as ones that modify position, we can check if the existing server state matches the packet proposed state
+//   - For other things, we'll actually need the system
+
+/**
+ * This class would effectively operate the same if we directly implemented {@link INetHandlerPlayClient},
+ * however, the {@link EntityPlayerSP} constructor requires an actual implementation of
+ * {@link NetHandlerPlayClient} in order to access the {@link GameProfile}.
+ *
+ * @author Brady
+ * @since 10/22/2018
+ */
+public class BotNetHandlerPlayClient extends NetHandlerPlayClient {
+
+    /**
+     * The {@link NetworkManager} that is managing the connection with the server.
+     */
+    private final NetworkManager networkManager;
+
+    /**
+     * This is the {@link Minecraft} game instance, however, to prevent unwanted references
+     * to the game instance fields, we refer to it as a {@link IThreadListener}.
+     */
+    private final IThreadListener client;
+
+    /**
+     * The bot of this connection
+     */
+    private final BaritoneUser user;
+
+    /**
+     * The bot entity
+     */
+    private EntityBot player;
+
+    /**
+     * The current world.
+     */
+    private BotWorld world;
+
+    /**
+     * The current player controller
+     */
+    private BotPlayerController playerController;
+
+    public BotNetHandlerPlayClient(NetworkManager networkManager, BaritoneUser user, Minecraft client, GameProfile profile) {
+        // noinspection ConstantConditions
+        super(client, null, networkManager, profile);
+        this.networkManager = networkManager;
+        this.client = client;
+        this.user = user;
+
+        // Notify the user that we're ingame
+        this.user.onLoginSuccess(profile, this);
+    }
+
+    @Override
+    public void handleSpawnObject(@Nonnull SPacketSpawnObject packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleSpawnExperienceOrb(@Nonnull SPacketSpawnExperienceOrb packetIn) { /* We will want to know this if we want Tenor to collect XP */ }
+
+    @Override
+    public void handleSpawnGlobalEntity(@Nonnull SPacketSpawnGlobalEntity packetIn) { /* Only lightning bolts, this may change in the future */ }
+
+    @Override
+    public void handleSpawnMob(@Nonnull SPacketSpawnMob packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleScoreboardObjective(@Nonnull SPacketScoreboardObjective packetIn) {}
+
+    @Override
+    public void handleSpawnPainting(@Nonnull SPacketSpawnPainting packetIn) {}
+
+    @Override
+    public void handleSpawnPlayer(@Nonnull SPacketSpawnPlayer packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleAnimation(@Nonnull SPacketAnimation packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        Entity entity = this.world.getEntityByID(packetIn.getEntityID());
+        if (entity != null) {
+            switch (packetIn.getAnimationType()) {
+                case 0: {
+                    ((EntityLivingBase) entity).swingArm(EnumHand.MAIN_HAND);
+                    break;
+                }
+                case 1: {
+                    entity.performHurtAnimation();
+                    break;
+                }
+                case 2: {
+                    ((EntityPlayer) entity).wakeUpPlayer(false, false, false);
+                    break;
+                }
+                case 3: {
+                    ((EntityLivingBase) entity).swingArm(EnumHand.OFF_HAND);
+                    break;
+                }
+            }
+        }
+    }
+
+    @Override
+    public void handleStatistics(@Nonnull SPacketStatistics packetIn) { /* Lol global bot stats when?? */ }
+
+    @Override
+    public void handleRecipeBook(@Nonnull SPacketRecipeBook packetIn) {}
+
+    @Override
+    public void handleBlockBreakAnim(@Nonnull SPacketBlockBreakAnim packetIn) {}
+
+    @Override
+    public void handleSignEditorOpen(@Nonnull SPacketSignEditorOpen packetIn) {}
+
+    @Override
+    public void handleUpdateTileEntity(@Nonnull SPacketUpdateTileEntity packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleBlockAction(@Nonnull SPacketBlockAction packetIn) {}
+
+    @Override
+    public void handleBlockChange(@Nonnull SPacketBlockChange packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        this.world.setBlockState(packetIn.getBlockPosition(), packetIn.getBlockState());
+    }
+
+    @Override
+    public void handleChat(@Nonnull SPacketChat packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleTabComplete(@Nonnull SPacketTabComplete packetIn) {}
+
+    @Override
+    public void handleMultiBlockChange(@Nonnull SPacketMultiBlockChange packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        for (SPacketMultiBlockChange.BlockUpdateData data : packetIn.getChangedBlocks()) {
+            this.world.setBlockState(data.getPos(), data.getBlockState());
+        }
+    }
+
+    @Override
+    public void handleMaps(@Nonnull SPacketMaps packetIn) {}
+
+    @Override
+    public void handleConfirmTransaction(@Nonnull SPacketConfirmTransaction packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleCloseWindow(@Nonnull SPacketCloseWindow packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        this.player.closeScreenAndDropStack();
+    }
+
+    @Override
+    public void handleWindowItems(@Nonnull SPacketWindowItems packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        (packetIn.getWindowId() == 0 ? this.player.inventoryContainer : this.player.openContainer).setAll(packetIn.getItemStacks());
+    }
+
+    @Override
+    public void handleOpenWindow(@Nonnull SPacketOpenWindow packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleWindowProperty(@Nonnull SPacketWindowProperty packetIn) {}
+
+    @Override
+    public void handleSetSlot(@Nonnull SPacketSetSlot packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        ItemStack stack = packetIn.getStack();
+        int slot = packetIn.getSlot();
+
+        switch (packetIn.getWindowId()) {
+            case -1: {
+                this.player.inventory.setItemStack(stack);
+                break;
+            }
+            case -2: {
+                this.player.inventory.setInventorySlotContents(slot, stack);
+                break;
+            }
+            default: {
+                if (packetIn.getWindowId() == 0 && packetIn.getSlot() >= 36 && slot < 45) {
+                    this.player.inventoryContainer.putStackInSlot(slot, stack);
+                } else if (packetIn.getWindowId() == this.player.openContainer.windowId && packetIn.getWindowId() != 0) {
+                    this.player.openContainer.putStackInSlot(slot, stack);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void handleCustomPayload(@Nonnull SPacketCustomPayload packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleDisconnect(@Nonnull SPacketDisconnect packetIn) {
+        this.networkManager.closeChannel(packetIn.getReason());
+    }
+
+    @Override
+    public void handleUseBed(@Nonnull SPacketUseBed packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleEntityStatus(@Nonnull SPacketEntityStatus packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleEntityAttach(@Nonnull SPacketEntityAttach packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleSetPassengers(@Nonnull SPacketSetPassengers packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleExplosion(@Nonnull SPacketExplosion packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        // noinspection ConstantConditions
+        new Explosion(this.world, null, packetIn.getX(), packetIn.getY(), packetIn.getZ(), packetIn.getStrength(), packetIn.getAffectedBlockPositions()).doExplosionB(true);
+        this.player.motionX += (double) packetIn.getMotionX();
+        this.player.motionY += (double) packetIn.getMotionY();
+        this.player.motionZ += (double) packetIn.getMotionZ();
+    }
+
+    @Override
+    public void handleChangeGameState(@Nonnull SPacketChangeGameState packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleKeepAlive(@Nonnull SPacketKeepAlive packetIn) {
+        this.networkManager.sendPacket(new CPacketKeepAlive(packetIn.getId()));
+    }
+
+    @Override
+    public void handleChunkData(@Nonnull SPacketChunkData packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        if (packetIn.isFullChunk()) {
+            this.world.doPreChunk(packetIn.getChunkX(), packetIn.getChunkZ(), true);
+        }
+
+        Chunk chunk = this.world.getChunk(packetIn.getChunkX(), packetIn.getChunkZ());
+        chunk.read(packetIn.getReadBuffer(), packetIn.getExtractedSize(), packetIn.isFullChunk());
+
+        for (NBTTagCompound tag : packetIn.getTileEntityTags()) {
+            BlockPos pos = new BlockPos(tag.getInteger("x"), tag.getInteger("y"), tag.getInteger("z"));
+            TileEntity tileEntity = this.world.getTileEntity(pos);
+
+            if (tileEntity != null) {
+                tileEntity.readFromNBT(tag);
+            }
+        }
+    }
+
+    @Override
+    public void processChunkUnload(@Nonnull SPacketUnloadChunk packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+        // TODO Unload chunks
+    }
+
+    @Override
+    public void handleEffect(@Nonnull SPacketEffect packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleJoinGame(@Nonnull SPacketJoinGame packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        this.playerController = new BotPlayerController(this.user);
+        this.world = this.user.getManager().getWorldProvider().getWorld(packetIn.getDimension());
+        this.player = new EntityBot(this.user, (Minecraft) this.client, this.world, this, new StatisticsManager(), new RecipeBookClient());
+        this.user.onWorldLoad(this.world, this.player, this.playerController);
+        this.player.preparePlayerToSpawn();
+        this.world.spawnEntity(this.player);
+        this.player.setEntityId(packetIn.getPlayerId());
+        this.player.dimension = packetIn.getDimension();
+        this.playerController.setGameType(packetIn.getGameType());
+        packetIn.getGameType().configurePlayerCapabilities(this.player.capabilities);
+
+        this.networkManager.sendPacket(new CPacketClientSettings("en_us", 8, EntityPlayer.EnumChatVisibility.FULL, true, 0, EnumHandSide.RIGHT));
+        this.networkManager.sendPacket(new CPacketCustomPayload("MC|Brand", new PacketBuffer(Unpooled.buffer()).writeString("vanilla")));
+
+        this.world.registerBot(packetIn.getPlayerId(), this.player);
+
+        Helper.HELPER.logDirect("Initialized Player and World");
+    }
+
+    @Override
+    public void handleEntityMovement(@Nonnull SPacketEntity packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handlePlayerPosLook(@Nonnull SPacketPlayerPosLook packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        EntityPlayer player = this.player;
+        double d0 = packetIn.getX();
+        double d1 = packetIn.getY();
+        double d2 = packetIn.getZ();
+        float f = packetIn.getYaw();
+        float f1 = packetIn.getPitch();
+
+        if (packetIn.getFlags().contains(SPacketPlayerPosLook.EnumFlags.X)) {
+            d0 += player.posX;
+        } else {
+            player.motionX = 0.0D;
+        }
+
+        if (packetIn.getFlags().contains(SPacketPlayerPosLook.EnumFlags.Y)) {
+            d1 += player.posY;
+        } else {
+            player.motionY = 0.0D;
+        }
+
+        if (packetIn.getFlags().contains(SPacketPlayerPosLook.EnumFlags.Z)) {
+            d2 += player.posZ;
+        } else {
+            player.motionZ = 0.0D;
+        }
+
+        if (packetIn.getFlags().contains(SPacketPlayerPosLook.EnumFlags.X_ROT)) {
+            f1 += player.rotationPitch;
+        }
+
+        if (packetIn.getFlags().contains(SPacketPlayerPosLook.EnumFlags.Y_ROT)) {
+            f += player.rotationYaw;
+        }
+
+        player.setPositionAndRotation(d0, d1, d2, f, f1);
+        this.networkManager.sendPacket(new CPacketConfirmTeleport(packetIn.getTeleportId()));
+        this.networkManager.sendPacket(new CPacketPlayer.PositionRotation(player.posX, player.getEntityBoundingBox().minY, player.posZ, player.rotationYaw, player.rotationPitch, false));
+
+        this.player.prevPosX = this.player.posX;
+        this.player.prevPosY = this.player.posY;
+        this.player.prevPosZ = this.player.posZ;
+    }
+
+    @Override
+    public void handleParticles(@Nonnull SPacketParticles packetIn) {}
+
+    @Override
+    public void handlePlayerAbilities(@Nonnull SPacketPlayerAbilities packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        PlayerCapabilities c = this.player.capabilities;
+        c.disableDamage = packetIn.isInvulnerable();
+        c.isFlying = packetIn.isFlying();
+        c.allowFlying = packetIn.isAllowFlying();
+        c.isCreativeMode = packetIn.isCreativeMode();
+        c.setFlySpeed(packetIn.getFlySpeed());
+        c.setPlayerWalkSpeed(packetIn.getWalkSpeed());
+    }
+
+    @Override
+    public void handlePlayerListItem(@Nonnull SPacketPlayerListItem packetIn) {
+        // okay now this is awesome
+        super.handlePlayerListItem(packetIn);
+    }
+
+    @Override
+    public void handleDestroyEntities(@Nonnull SPacketDestroyEntities packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        for (int i = 0; i < packetIn.getEntityIDs().length; ++i) {
+            this.world.removeEntityFromWorld(packetIn.getEntityIDs()[i]);
+        }
+    }
+
+    @Override
+    public void handleRemoveEntityEffect(@Nonnull SPacketRemoveEntityEffect packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        Entity entity = packetIn.getEntity(this.world);
+        if (entity instanceof EntityLivingBase) {
+            ((EntityLivingBase) entity).removeActivePotionEffect(packetIn.getPotion());
+        }
+    }
+
+    @Override
+    public void handleRespawn(@Nonnull SPacketRespawn packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        if (packetIn.getDimensionID() != this.player.dimension) {
+            this.world.removeEntity(this.player);
+            this.world = this.user.getManager().getWorldProvider().getWorld(packetIn.getDimensionID());
+        }
+
+        EntityBot prev = this.player;
+
+        this.player = new EntityBot(this.user, (Minecraft) this.client, this.world, this, prev.getStatFileWriter(), prev.getRecipeBook());
+        this.user.onWorldLoad(this.world, this.player, this.playerController);
+        // noinspection ConstantConditions
+        this.player.getDataManager().setEntryValues(prev.getDataManager().getAll());
+        this.player.preparePlayerToSpawn();
+        this.world.spawnEntity(this.player);
+        this.player.setEntityId(prev.getEntityId());
+        this.player.dimension = packetIn.getDimensionID();
+        this.player.setServerBrand(prev.getServerBrand());
+        this.playerController.setGameType(packetIn.getGameType());
+    }
+
+    @Override
+    public void handleEntityHeadLook(@Nonnull SPacketEntityHeadLook packetIn) {}
+
+    @Override
+    public void handleHeldItemChange(@Nonnull SPacketHeldItemChange packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        if (InventoryPlayer.isHotbar(packetIn.getHeldItemHotbarIndex())) {
+            this.player.inventory.currentItem = packetIn.getHeldItemHotbarIndex();
+        }
+    }
+
+    @Override
+    public void handleDisplayObjective(@Nonnull SPacketDisplayObjective packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleEntityMetadata(@Nonnull SPacketEntityMetadata packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        Entity entity = this.world.getEntityByID(packetIn.getEntityId());
+        if (entity != null && packetIn.getDataManagerEntries() != null) {
+            entity.getDataManager().setEntryValues(packetIn.getDataManagerEntries());
+        }
+    }
+
+    @Override
+    public void handleEntityVelocity(@Nonnull SPacketEntityVelocity packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        Entity entity = this.world.getEntityByID(packetIn.getEntityID());
+        if (entity != null) {
+            entity.setVelocity(
+                    (double) packetIn.getMotionX() / 8000.0D,
+                    (double) packetIn.getMotionY() / 8000.0D,
+                    (double) packetIn.getMotionZ() / 8000.0D
+            );
+        }
+    }
+
+    @Override
+    public void handleEntityEquipment(@Nonnull SPacketEntityEquipment packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        Entity entity = this.world.getEntityByID(packetIn.getEntityID());
+        if (entity != null) {
+            entity.setItemStackToSlot(packetIn.getEquipmentSlot(), packetIn.getItemStack());
+        }
+    }
+
+    @Override
+    public void handleSetExperience(@Nonnull SPacketSetExperience packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        this.player.setXPStats(packetIn.getExperienceBar(), packetIn.getTotalExperience(), packetIn.getLevel());
+    }
+
+    @Override
+    public void handleUpdateHealth(@Nonnull SPacketUpdateHealth packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        this.player.setPlayerSPHealth(packetIn.getHealth());
+        this.player.getFoodStats().setFoodLevel(packetIn.getFoodLevel());
+        this.player.getFoodStats().setFoodSaturationLevel(packetIn.getSaturationLevel());
+    }
+
+    @Override
+    public void handleTeams(@Nonnull SPacketTeams packetIn) {}
+
+    @Override
+    public void handleUpdateScore(@Nonnull SPacketUpdateScore packetIn) {}
+
+    @Override
+    public void handleSpawnPosition(@Nonnull SPacketSpawnPosition packetIn) { /* We probably don't need to know this, the server handles everything related to spawn psoition? */ }
+
+    @Override
+    public void handleTimeUpdate(@Nonnull SPacketTimeUpdate packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        this.world.setTotalWorldTime(packetIn.getTotalWorldTime());
+        this.world.setWorldTime(packetIn.getWorldTime());
+
+        // TODO: Calculate World TPS
+    }
+
+    @Override
+    public void handleSoundEffect(@Nonnull SPacketSoundEffect packetIn) {}
+
+    @Override
+    public void handleCustomSound(@Nonnull SPacketCustomSound packetIn) {}
+
+    @Override
+    public void handleCollectItem(@Nonnull SPacketCollectItem packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleEntityTeleport(@Nonnull SPacketEntityTeleport packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleEntityProperties(@Nonnull SPacketEntityProperties packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+    }
+
+    @Override
+    public void handleEntityEffect(@Nonnull SPacketEntityEffect packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        Entity entity = this.world.getEntityByID(packetIn.getEntityId());
+
+        if (entity instanceof EntityLivingBase) {
+            Potion potion = Potion.getPotionById(packetIn.getEffectId());
+
+            if (potion != null) {
+                PotionEffect effect = new PotionEffect(potion, packetIn.getDuration(), packetIn.getAmplifier(), packetIn.getIsAmbient(), packetIn.doesShowParticles());
+                effect.setPotionDurationMax(packetIn.isMaxDuration());
+                ((EntityLivingBase) entity).addPotionEffect(effect);
+            }
+        }
+    }
+
+    @Override
+    public void handleCombatEvent(@Nonnull SPacketCombatEvent packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        // We only care if we died
+        if (packetIn.eventType == SPacketCombatEvent.Event.ENTITY_DIED) {
+            if (packetIn.playerId == this.player.getEntityId()) {
+                // Perform an instantaneous respawn
+                this.networkManager.sendPacket(new CPacketClientStatus(CPacketClientStatus.State.PERFORM_RESPAWN));
+            }
+        }
+    }
+
+    @Override
+    public void handleServerDifficulty(@Nonnull SPacketServerDifficulty packetIn) {}
+
+    @Override
+    public void handleCamera(SPacketCamera packetIn) {}
+
+    @Override
+    public void handleWorldBorder(@Nonnull SPacketWorldBorder packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        packetIn.apply(this.world.getWorldBorder());
+    }
+
+    @Override
+    public void handleTitle(@Nonnull SPacketTitle packetIn) {}
+
+    @Override
+    public void handlePlayerListHeaderFooter(@Nonnull SPacketPlayerListHeaderFooter packetIn) {}
+
+    @Override
+    public void handleResourcePack(@Nonnull SPacketResourcePackSend packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        // Lie to the server and tell them we accepted it in response
+        this.networkManager.sendPacket(new CPacketResourcePackStatus(CPacketResourcePackStatus.Action.ACCEPTED));
+        this.networkManager.sendPacket(new CPacketResourcePackStatus(CPacketResourcePackStatus.Action.SUCCESSFULLY_LOADED));
+    }
+
+    @Override
+    public void handleUpdateBossInfo(@Nonnull SPacketUpdateBossInfo packetIn) {}
+
+    @Override
+    public void handleCooldown(@Nonnull SPacketCooldown packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+
+        if (packetIn.getTicks() == 0) { // There is no cooldown
+            this.player.getCooldownTracker().removeCooldown(packetIn.getItem());
+        } else {
+            this.player.getCooldownTracker().setCooldown(packetIn.getItem(), packetIn.getTicks());
+        }
+    }
+
+    @Override
+    public void handleMoveVehicle(@Nonnull SPacketMoveVehicle packetIn) {
+        PacketThreadUtil.checkThreadAndEnqueue(packetIn, this, this.client);
+        /* Atm Baritone doesn't even work on vehicles that well at all, so this is a major TODO */
+    }
+
+    @Override
+    public void handleAdvancementInfo(@Nonnull SPacketAdvancementInfo packetIn) {}
+
+    @Override
+    public void handleSelectAdvancementsTab(@Nonnull SPacketSelectAdvancementsTab packetIn) { /* Lol global bot achievements when? */ }
+
+    @Override
+    public void func_194307_a(@Nonnull SPacketPlaceGhostRecipe p_194307_1_) {}
+
+    @Override
+    public void onDisconnect(@Nonnull ITextComponent reason) {
+        // TODO Maybe more world unloadinde
+        this.world.removeEntity(this.player);
+        this.user.getManager().notifyDisconnect(this.user, EnumConnectionState.PLAY);
+    }
+
+    @Nonnull
+    @Override
+    public ClientAdvancementManager getAdvancementManager() {
+        throw new UnsupportedOperationException("This method shouldn't have been called; That is unepic!");
+    }
+
+    public EntityBot player() {
+        return player;
+    }
+
+    public BotWorld world() {
+        return world;
+    }
+}

src/main/java/baritone/bot/spec/BotPlayerController.java

@@ -0,0 +1,260 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot.spec;
+
+import baritone.api.bot.IBaritoneUser;
+import baritone.api.utils.IPlayerController;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockCommandBlock;
+import net.minecraft.block.BlockStructure;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.init.Blocks;
+import net.minecraft.inventory.ClickType;
+import net.minecraft.item.ItemStack;
+import net.minecraft.network.play.client.CPacketClickWindow;
+import net.minecraft.network.play.client.CPacketHeldItemChange;
+import net.minecraft.network.play.client.CPacketPlayerDigging;
+import net.minecraft.util.EnumActionResult;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.GameType;
+import net.minecraft.world.World;
+
+/**
+ * @author Brady
+ * @since 11/14/2018
+ */
+public class BotPlayerController implements IPlayerController {
+
+    private final IBaritoneUser user;
+    private GameType gameType;
+
+    private BlockPos currentBlock;
+    private ItemStack currentHittingItem;
+    private boolean hittingBlock;
+    private float blockDamage;
+    private int blockHitDelay;
+    private int heldItemServer;
+
+    public BotPlayerController(IBaritoneUser user) {
+        this.user = user;
+        this.currentHittingItem = ItemStack.EMPTY;
+    }
+
+    @Override
+    public boolean onPlayerDamageBlock(BlockPos pos, EnumFacing side) {
+        this.syncHeldItem();
+
+        EntityPlayerSP player = this.user.getEntity();
+        World world = player.world;
+
+        if (this.blockHitDelay > 0) {
+            this.blockHitDelay--;
+            return true;
+        }
+
+        if (!this.isHittingPosition(pos)) {
+            return this.clickBlock(pos, side);
+        }
+
+        IBlockState state = world.getBlockState(pos);
+
+        if (state.getMaterial() == Material.AIR) {
+            this.hittingBlock = false;
+            return false;
+        }
+
+        this.blockDamage += state.getPlayerRelativeBlockHardness(player, world, pos);
+
+        if (this.blockDamage >= 1.0F) {
+            this.hittingBlock = false;
+            this.blockDamage = 0.0F;
+            this.blockHitDelay = 5;
+
+            player.connection.sendPacket(new CPacketPlayerDigging(CPacketPlayerDigging.Action.STOP_DESTROY_BLOCK, pos, side));
+            this.handleBreak(pos);
+        }
+
+        world.sendBlockBreakProgress(player.getEntityId(), this.currentBlock, (int) (this.blockDamage * 10.0F) - 1);
+        return true;
+    }
+
+    @Override
+    public void resetBlockRemoving() {
+        if (this.hittingBlock) {
+            this.hittingBlock = false;
+            this.blockDamage = 0.0F;
+            this.user.getEntity().resetCooldown();
+            this.user.getEntity().connection.sendPacket(new CPacketPlayerDigging(CPacketPlayerDigging.Action.ABORT_DESTROY_BLOCK, this.currentBlock, EnumFacing.DOWN));
+        }
+    }
+
+    @Override
+    public ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, EntityPlayer player) {
+        short transactionID = player.openContainer.getNextTransactionID(player.inventory);
+        ItemStack stack = player.openContainer.slotClick(slotId, mouseButton, type, player);
+        this.user.getEntity().connection.sendPacket(new CPacketClickWindow(windowId, slotId, mouseButton, type, stack, transactionID));
+        return stack;
+    }
+
+    @Override
+    public void setGameType(GameType type) {
+        this.gameType = type;
+        this.gameType.configurePlayerCapabilities(this.user.getEntity().capabilities);
+    }
+
+    @Override
+    public GameType getGameType() {
+        return this.gameType;
+    }
+
+    @Override
+    public boolean clickBlock(BlockPos pos, EnumFacing side) {
+        EntityPlayerSP player = this.user.getEntity();
+        World world = player.world;
+
+        if (!canBreak(player, pos)) {
+            return false;
+        }
+
+        if (!this.hittingBlock || !this.isHittingPosition(pos)) {
+            if (this.hittingBlock) {
+                player.connection.sendPacket(new CPacketPlayerDigging(CPacketPlayerDigging.Action.ABORT_DESTROY_BLOCK, this.currentBlock, side));
+            }
+
+            IBlockState state = world.getBlockState(pos);
+            player.connection.sendPacket(new CPacketPlayerDigging(CPacketPlayerDigging.Action.START_DESTROY_BLOCK, pos, side));
+
+            if (state.getMaterial() != Material.AIR) {
+                if (this.blockDamage == 0.0F) {
+                    state.getBlock().onBlockClicked(world, pos, player);
+                }
+                if (state.getPlayerRelativeBlockHardness(player, player.world, pos) >= 1.0F) {
+                    this.handleBreak(pos);
+                }
+            } else {
+                this.hittingBlock = true;
+                this.currentBlock = pos;
+                this.blockDamage = 0.0F;
+                this.currentHittingItem = player.getHeldItemMainhand();
+                world.sendBlockBreakProgress(player.getEntityId(), this.currentBlock, (int) (this.blockDamage * 10.0F) - 1);
+            }
+        }
+
+        return true;
+    }
+
+    private void handleBreak(BlockPos pos) {
+        EntityPlayerSP player = this.user.getEntity();
+        World world = player.world;
+
+        IBlockState state = world.getBlockState(pos);
+        Block block = state.getBlock();
+
+        if ((block instanceof BlockCommandBlock || block instanceof BlockStructure) && !player.canUseCommandBlock()) {
+            return;
+        }
+
+        if (state.getMaterial() == Material.AIR) {
+            return;
+        }
+
+        block.onBlockHarvested(world, pos, state, player);
+
+        if (world.setBlockState(pos, Blocks.AIR.getDefaultState(), 11)) {
+            block.onPlayerDestroy(world, pos, state);
+        }
+
+        this.currentBlock = new BlockPos(this.currentBlock.getX(), -1, this.currentBlock.getZ());
+
+        ItemStack stack = player.getHeldItemMainhand();
+
+        if (!stack.isEmpty()) {
+            stack.onBlockDestroyed(world, state, pos, player);
+
+            if (stack.isEmpty()) {
+                player.setHeldItem(EnumHand.MAIN_HAND, ItemStack.EMPTY);
+            }
+        }
+    }
+
+    private boolean canBreak(EntityPlayer player, BlockPos pos) {
+        if (this.gameType.isCreative() || this.gameType == GameType.SPECTATOR) {
+            return false;
+        }
+
+        if (!player.world.getWorldBorder().contains(pos)) {
+            return false;
+        }
+
+        if (this.gameType.hasLimitedInteractions() && !player.isAllowEdit()) {
+            ItemStack stack = player.getHeldItemMainhand();
+            return !stack.isEmpty() && stack.canDestroy(player.world.getBlockState(pos).getBlock());
+        }
+
+        return true;
+    }
+
+    private boolean isHittingPosition(BlockPos pos) {
+        ItemStack stack = this.user.getEntity().getHeldItemMainhand();
+        boolean itemUnchanged = this.currentHittingItem.isEmpty() && stack.isEmpty();
+
+        if (!this.currentHittingItem.isEmpty() && !stack.isEmpty()) {
+            itemUnchanged = stack.getItem() == this.currentHittingItem.getItem()
+                    && ItemStack.areItemStackTagsEqual(stack, this.currentHittingItem)
+                    && (stack.isItemStackDamageable() || stack.getMetadata() == this.currentHittingItem.getMetadata());
+        }
+
+        return pos.equals(this.currentBlock) && itemUnchanged;
+    }
+
+    @Override
+    public void syncHeldItem() {
+        int heldItemClient = this.user.getEntity().inventory.currentItem;
+
+        if (heldItemClient != this.heldItemServer) {
+            this.heldItemServer = heldItemClient;
+            this.user.getEntity().connection.sendPacket(new CPacketHeldItemChange(this.heldItemServer));
+        }
+    }
+
+    @Override
+    public boolean hasBrokenBlock() {
+        return this.currentBlock.getY() == -1;
+    }
+
+    @Override
+    public EnumActionResult processRightClickBlock(EntityPlayerSP player, World world, BlockPos pos, EnumFacing direction, Vec3d vec, EnumHand hand) {
+        throw new AbstractMethodError("Lol");
+    }
+
+    @Override
+    public EnumActionResult processRightClick(EntityPlayerSP player, World world, EnumHand hand) {
+        throw new AbstractMethodError("Lol");
+    }
+
+    @Override
+    public void setHittingBlock(boolean hittingBlock) {
+        this.hittingBlock = hittingBlock;
+    }
+}

src/main/java/baritone/bot/spec/BotWorld.java

@@ -0,0 +1,84 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot.spec;
+
+import net.minecraft.client.multiplayer.ChunkProviderClient;
+import net.minecraft.entity.Entity;
+import net.minecraft.profiler.Profiler;
+import net.minecraft.world.DimensionType;
+import net.minecraft.world.World;
+import net.minecraft.world.WorldSettings;
+import net.minecraft.world.chunk.IChunkProvider;
+import net.minecraft.world.storage.SaveHandlerMP;
+import net.minecraft.world.storage.WorldInfo;
+
+import javax.annotation.Nonnull;
+
+/**
+ * @author Brady
+ * @since 11/7/2018
+ */
+public class BotWorld extends World {
+
+    private static Profiler BOT_WORLD_PROFILER = new Profiler();
+    private static int worldNum = 0;
+
+    private ChunkProviderClient chunkProviderClient;
+
+    public BotWorld(WorldSettings settings, int dimension) {
+        super(
+                new SaveHandlerMP(),
+                new WorldInfo(settings, "BotWorld" + ++worldNum),
+                DimensionType.getById(dimension).createDimension(),
+                BOT_WORLD_PROFILER,
+                true
+        );
+        this.provider.setWorld(this);
+        this.chunkProvider = this.createChunkProvider();
+    }
+
+    @Override
+    @Nonnull
+    protected IChunkProvider createChunkProvider() {
+        return (this.chunkProviderClient = new ChunkProviderClient(this));
+    }
+
+    @Override
+    protected boolean isChunkLoaded(int x, int z, boolean allowEmpty) {
+        return allowEmpty || !this.chunkProviderClient.provideChunk(x, z).isEmpty();
+    }
+
+    public void registerBot(int entityID, EntityBot entity) {
+        this.entitiesById.addKey(entityID, entity);
+    }
+
+    public void removeEntityFromWorld(int entityID) {
+        Entity entity = this.entitiesById.removeObject(entityID);
+        if (entity != null) {
+            this.removeEntity(entity);
+        }
+    }
+
+    public void doPreChunk(int chunkX, int chunkZ, boolean loadChunk) {
+        if (loadChunk) {
+            this.chunkProviderClient.loadChunk(chunkX, chunkZ);
+        } else {
+            this.chunkProviderClient.unloadChunk(chunkX, chunkZ);
+        }
+    }
+}

src/main/java/baritone/bot/spec/EntityBot.java

@@ -0,0 +1,170 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone 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.
+ *
+ * Baritone 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 Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.bot.spec;
+
+import baritone.api.bot.IBaritoneUser;
+import baritone.utils.PlayerMovementInput;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.client.network.NetHandlerPlayClient;
+import net.minecraft.client.network.NetworkPlayerInfo;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.IMerchant;
+import net.minecraft.entity.passive.AbstractHorse;
+import net.minecraft.inventory.IInventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.stats.RecipeBook;
+import net.minecraft.stats.StatisticsManager;
+import net.minecraft.tileentity.CommandBlockBaseLogic;
+import net.minecraft.tileentity.TileEntityCommandBlock;
+import net.minecraft.tileentity.TileEntitySign;
+import net.minecraft.tileentity.TileEntityStructure;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.text.ITextComponent;
+import net.minecraft.world.GameType;
+import net.minecraft.world.IInteractionObject;
+import net.minecraft.world.World;
+
+import javax.annotation.Nullable;
+
+// Some Notes:
+// startRiding references the sound manager
+// onUpdateWalkingPlayer references the gameSettings autoJump flag
+// notifyDataManagerChange references the sound manager
+// onLivingUpdate makes a lot of references to mc fields
+//  - playerController
+//  - currentScreen
+//  - gameSettings
+//  - tutorial
+// What needs to be considered
+//  - The server tells us what our entity id should be, the bot entity should respect this.
+
+/**
+ * @author Brady
+ * @since 10/23/2018
+ */
+@SuppressWarnings("EntityConstructor")
+public class EntityBot extends EntityPlayerSP {
+
+    private final IBaritoneUser user;
+    private NetworkPlayerInfo playerInfo;
+
+    public EntityBot(IBaritoneUser user, Minecraft mc, World world, NetHandlerPlayClient netHandlerPlayClient, StatisticsManager statisticsManager, RecipeBook recipeBook) {
+        super(mc, world, netHandlerPlayClient, statisticsManager, recipeBook);
+        this.user = user;
+        this.movementInput = new PlayerMovementInput(this.user.getBaritone().getInputOverrideHandler());
+    }
+
+    @Override
+    public void closeScreenAndDropStack() {
+        this.inventory.setItemStack(ItemStack.EMPTY);
+
+        // EntityPlayer#closeScreen
+        this.openContainer = this.inventoryContainer;
+    }
+
+    @Override
+    public void sendStatusMessage(ITextComponent chatComponent, boolean actionBar) {
+        // TODO: Custom message handling
+    }
+
+    @Override
+    public void sendMessage(ITextComponent component) {
+        // TODO: Custom message handling
+    }
+
+    @Override
+    public void openEditSign(TileEntitySign signTile) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void displayGuiEditCommandCart(CommandBlockBaseLogic commandBlock) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void displayGuiCommandBlock(TileEntityCommandBlock commandBlock) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void openEditStructure(TileEntityStructure structure) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void openBook(ItemStack stack, EnumHand hand) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void displayGUIChest(IInventory chestInventory) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void openGuiHorseInventory(AbstractHorse horse, IInventory inventoryIn) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void displayGui(IInteractionObject guiOwner) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void displayVillagerTradeGui(IMerchant villager) {
+        // TODO: Custom GUI handling
+    }
+
+    @Override
+    public void onCriticalHit(Entity entityHit) {
+        // Don't render
+    }
+
+    @Override
+    public void onEnchantmentCritical(Entity entityHit) {
+        // Don't render
+    }
+
+    @Override
+    protected boolean isCurrentViewEntity() {
+        return true;
+    }
+
+    @Override
+    public boolean isSpectator() {
+        NetworkPlayerInfo networkplayerinfo = this.connection.getPlayerInfo(this.getGameProfile().getId());
+        // noinspection ConstantConditions
+        return networkplayerinfo != null && networkplayerinfo.getGameType() == GameType.SPECTATOR;
+    }
+
+    @Override
+    public boolean isCreative() {
+        NetworkPlayerInfo networkplayerinfo = this.connection.getPlayerInfo(this.getGameProfile().getId());
+        // noinspection ConstantConditions
+        return networkplayerinfo != null && networkplayerinfo.getGameType() == GameType.CREATIVE;
+    }
+
+    @Nullable
+    @Override
+    protected NetworkPlayerInfo getPlayerInfo() {
+        return this.playerInfo == null ? (this.playerInfo = this.connection.getPlayerInfo(this.getUniqueID())) : null;
+    }
+}

src/main/java/baritone/event/GameEventHandler.java

@@ -22,6 +22,7 @@ import baritone.api.event.events.*;
 import baritone.api.event.events.type.EventState;
 import baritone.api.event.listener.IEventBus;
 import baritone.api.event.listener.IGameEventListener;
+import baritone.bot.UserManager;
 import baritone.api.utils.Helper;
 import baritone.cache.WorldProvider;
 import baritone.utils.BlockStateInterface;
@@ -29,6 +30,7 @@ import net.minecraft.world.World;
 import net.minecraft.world.chunk.Chunk;
 
 import java.util.List;
+import java.util.Objects;
 import java.util.concurrent.CopyOnWriteArrayList;
 
 /**
@@ -66,6 +68,9 @@ public final class GameEventHandler implements IEventBus, Helper {
 
     @Override
     public final void onSendChatMessage(ChatEvent event) {
+        // Ensure UserManager is created to prevent a ConcurrentModificationException
+        Objects.requireNonNull(UserManager.INSTANCE);
+
         listeners.forEach(l -> l.onSendChatMessage(event));
     }
 

src/main/java/baritone/utils/PathRenderer.java

@@ -54,6 +54,10 @@ public final class PathRenderer implements IRenderer {
     public static void render(RenderEvent event, PathingBehavior behavior) {
         float partialTicks = event.getPartialTicks();
         Goal goal = behavior.getGoal();
+        if (behavior.baritone.getPlayerContext().world() == null) {
+            return;
+        }
+
         if (Helper.mc.currentScreen instanceof GuiClick) {
             ((GuiClick) Helper.mc.currentScreen).onRender();
         }

src/main/java/baritone/utils/PlayerMovementInput.java

@@ -17,14 +17,15 @@
 
 package baritone.utils;
 
+import baritone.api.utils.IInputOverrideHandler;
 import baritone.api.utils.input.Input;
 import net.minecraft.util.MovementInput;
 
 public class PlayerMovementInput extends MovementInput {
 
-    private final InputOverrideHandler handler;
+    private final IInputOverrideHandler handler;
 
-    PlayerMovementInput(InputOverrideHandler handler) {
+    public PlayerMovementInput(IInputOverrideHandler handler) {
         this.handler = handler;
     }
 

src/main/java/baritone/utils/player/PrimaryPlayerController.java

@@ -68,6 +68,11 @@ public enum PrimaryPlayerController implements IPlayerController, Helper {
         return mc.playerController.windowClick(windowId, slotId, mouseButton, type, player);
     }
 
+    @Override
+    public void setGameType(GameType type) {
+        mc.playerController.setGameType(type);
+    }
+
     @Override
     public GameType getGameType() {
         return mc.playerController.getCurrentGameType();