Update for 1.10

Don't load players off the main thread, just in case.

pom.xml

@@ -5,6 +5,13 @@
   <version>0.0.1-SNAPSHOT</version>
 
   <dependencies>
+    <dependency>
+      <groupId>org.spigotmc</groupId>
+      <artifactId>spigot</artifactId>
+      <version>1.10-R0.1-SNAPSHOT</version>
+      <scope>provided</scope>
+      <classifier>v1_10_R1</classifier>
+    </dependency>
     <dependency>
       <groupId>org.spigotmc</groupId>
       <artifactId>spigot</artifactId>

src/main/java/com/lishid/openinv/commands/OpenEnderPluginCommand.java

@@ -111,7 +111,7 @@ public class OpenEnderPluginCommand implements CommandExecutor {
 
         if (!online) {
             // Try loading the player's data
-            onlineTarget = plugin.getPlayerLoader().loadPlayer(target);
+            onlineTarget = plugin.getPlayerLoader().loadPlayer(plugin, target);
 
             if (onlineTarget == null) {
                 player.sendMessage(ChatColor.RED + "Player not found!");

src/main/java/com/lishid/openinv/commands/OpenInvPluginCommand.java

@@ -112,7 +112,7 @@ public class OpenInvPluginCommand implements CommandExecutor {
 
         if (!online) {
             // Try loading the player's data
-            onlineTarget = plugin.getPlayerLoader().loadPlayer(target);
+            onlineTarget = plugin.getPlayerLoader().loadPlayer(plugin, target);
 
             if (onlineTarget == null) {
                 player.sendMessage(ChatColor.RED + "Player not found!");

src/main/java/com/lishid/openinv/internal/PlayerDataManager.java

@@ -16,15 +16,55 @@
 
 package com.lishid.openinv.internal;
 
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
 
 public abstract class PlayerDataManager {
-    public final Player loadPlayer(OfflinePlayer offline) {
+    public final Player loadPlayer(final Plugin plugin, final OfflinePlayer offline) {
         if (offline.isOnline()) {
             return offline.getPlayer();
         }
-        return this.loadOfflinePlayer(offline);
+        if (Bukkit.isPrimaryThread()) {
+            return this.loadOfflinePlayer(offline);
+        }
+
+
+        Future<Player> future = Bukkit.getScheduler().callSyncMethod(plugin,
+                new Callable<Player>() {
+                    @Override
+                    public Player call() throws Exception {
+                        return loadOfflinePlayer(offline);
+                    }
+                });
+
+        int ticks = 0;
+        while (!future.isDone() && !future.isCancelled() && ticks < 10) {
+            ++ticks;
+            try {
+                Thread.sleep(50L);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+                return null;
+            }
+        }
+        if (!future.isDone() || future.isCancelled()) {
+            return null;
+        }
+        try {
+            return future.get();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+            return null;
+        } catch (ExecutionException e) {
+            e.printStackTrace();
+            return null;
+        }
     }
 
     protected abstract Player loadOfflinePlayer(OfflinePlayer offline);

src/main/java/com/lishid/openinv/internal/v1_10_R1/AnySilentChest.java

@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2011-2014 lishid.  All rights reserved.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation,  version 3.
+ * 
+ * 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lishid.openinv.internal.v1_10_R1;
+
+import org.bukkit.ChatColor;
+import org.bukkit.entity.Player;
+
+import com.lishid.openinv.internal.IAnySilentChest;
+
+// Volatile
+import net.minecraft.server.v1_10_R1.AxisAlignedBB;
+import net.minecraft.server.v1_10_R1.Block;
+import net.minecraft.server.v1_10_R1.BlockPosition;
+import net.minecraft.server.v1_10_R1.Entity;
+import net.minecraft.server.v1_10_R1.EntityOcelot;
+import net.minecraft.server.v1_10_R1.EntityPlayer;
+import net.minecraft.server.v1_10_R1.IInventory;
+import net.minecraft.server.v1_10_R1.ITileInventory;
+import net.minecraft.server.v1_10_R1.InventoryLargeChest;
+import net.minecraft.server.v1_10_R1.PacketPlayOutOpenWindow;
+import net.minecraft.server.v1_10_R1.TileEntityChest;
+import net.minecraft.server.v1_10_R1.World;
+
+import org.bukkit.craftbukkit.v1_10_R1.entity.CraftPlayer;
+
+public class AnySilentChest implements IAnySilentChest {
+    @Override
+    public boolean isAnyChestNeeded(Player p, int x, int y, int z) {
+        // FOR REFERENCE, LOOK AT net.minecraft.server.BlockChest
+        EntityPlayer player = ((CraftPlayer) p).getHandle();
+        World world = player.world;
+        // If block or ocelot on top
+        if (world.getType(new BlockPosition(x, y + 1, z)).l() || hasOcelotOnTop(world, x, y, z))
+            return true;
+
+        int id = Block.getId(world.getType(new BlockPosition(x, y, z)).getBlock());
+
+        // If block next to chest is chest and has a block or ocelot on top
+        if (isBlockedChest(world, id, x - 1, y, z))
+            return true;
+        if (isBlockedChest(world, id, x + 1, y, z))
+            return true;
+        if (isBlockedChest(world, id, x, y, z - 1))
+            return true;
+        if (isBlockedChest(world, id, x, y, z + 1))
+            return true;
+
+        return false;
+    }
+
+    private boolean isBlockedChest(World world, int id, int x, int y, int z) {
+        BlockPosition position = new BlockPosition(x, y, z);
+        if (Block.getId(world.getType(position).getBlock()) != id) {
+            return false;
+        }
+
+        if (world.getType(position).l()) {
+            return true;
+        }
+
+        return hasOcelotOnTop(world, x, y, z);
+    }
+
+    private boolean hasOcelotOnTop(World world, int x, int y, int z) {
+        for (Entity localEntity : world.a(EntityOcelot.class,
+                new AxisAlignedBB(x, y + 1, z, x + 1, y + 2, z + 1))) {
+            EntityOcelot localEntityOcelot = (EntityOcelot) localEntity;
+            if (localEntityOcelot.isSitting()) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean activateChest(Player p, boolean anychest, boolean silentchest, int x, int y, int z) {
+        EntityPlayer player = ((CraftPlayer) p).getHandle();
+        World world = player.world;
+        Object chest = world.getTileEntity(new BlockPosition(x, y, z));
+        if (chest == null)
+            return true;
+
+        int id = Block.getId(world.getType(new BlockPosition(x, y, z)).getBlock());
+
+        if (!anychest) {
+            if (world.getType(new BlockPosition(x, y + 1, z)).l())
+                return true;
+            if ((Block.getId(world.getType(new BlockPosition(x - 1, y, z)).getBlock()) == id) && (world.getType(new BlockPosition(x - 1, y + 1, z)).l()))
+                return true;
+            if ((Block.getId(world.getType(new BlockPosition(x + 1, y, z)).getBlock()) == id) && (world.getType(new BlockPosition(x + 1, y + 1, z)).l()))
+                return true;
+            if ((Block.getId(world.getType(new BlockPosition(x, y, z - 1)).getBlock()) == id) && (world.getType(new BlockPosition(x, y + 1, z - 1)).l()))
+                return true;
+            if ((Block.getId(world.getType(new BlockPosition(x, y, z + 1)).getBlock()) == id) && (world.getType(new BlockPosition(x, y + 1, z + 1)).l()))
+                return true;
+        }
+
+        if (Block.getId(world.getType(new BlockPosition(x - 1, y, z)).getBlock()) == id)
+            chest = new InventoryLargeChest("Large chest", (TileEntityChest) world.getTileEntity(new BlockPosition(x - 1, y, z)), (ITileInventory) chest);
+        if (Block.getId(world.getType(new BlockPosition(x + 1, y, z)).getBlock()) == id)
+            chest = new InventoryLargeChest("Large chest", (ITileInventory) chest, (TileEntityChest) world.getTileEntity(new BlockPosition(x + 1, y, z)));
+        if (Block.getId(world.getType(new BlockPosition(x, y, z - 1)).getBlock()) == id)
+            chest = new InventoryLargeChest("Large chest", (TileEntityChest) world.getTileEntity(new BlockPosition(x, y, z - 1)), (ITileInventory) chest);
+        if (Block.getId(world.getType(new BlockPosition(x, y, z + 1)).getBlock()) == id)
+            chest = new InventoryLargeChest("Large chest", (ITileInventory) chest, (TileEntityChest) world.getTileEntity(new BlockPosition(x, y, z + 1)));
+
+        boolean returnValue = true;
+        if (!silentchest) {
+            player.openContainer((IInventory) chest);
+        }
+        else {
+            try {
+                SilentContainerChest silentContainerChest = new SilentContainerChest(player.inventory, ((IInventory) chest), player);
+                int windowId = player.nextContainerCounter();
+                player.playerConnection.sendPacket(new PacketPlayOutOpenWindow(windowId, "minecraft:chest", ((IInventory) chest).getScoreboardDisplayName(), ((IInventory) chest).getSize()));
+                player.activeContainer = silentContainerChest;
+                player.activeContainer.windowId = windowId;
+                player.activeContainer.addSlotListener(player);
+                returnValue = false;
+            }
+            catch (Exception e) {
+                e.printStackTrace();
+                p.sendMessage(ChatColor.RED + "Error while sending silent chest.");
+            }
+        }
+
+        return returnValue;
+    }
+}

src/main/java/com/lishid/openinv/internal/v1_10_R1/InventoryAccess.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2011-2014 lishid.  All rights reserved.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation,  version 3.
+ * 
+ * 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lishid.openinv.internal.v1_10_R1;
+
+import java.lang.reflect.Field;
+
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.inventory.Inventory;
+
+import com.lishid.openinv.OpenInv;
+import com.lishid.openinv.Permissions;
+import com.lishid.openinv.internal.IInventoryAccess;
+
+// Volatile
+import net.minecraft.server.v1_10_R1.IInventory;
+
+import org.bukkit.craftbukkit.v1_10_R1.inventory.CraftInventory;
+
+public class InventoryAccess implements IInventoryAccess {
+    @Override
+    public boolean check(Inventory inventory, HumanEntity player) {
+        IInventory inv = grabInventory(inventory);
+        
+        if (inv instanceof SpecialPlayerInventory) {
+            if (!OpenInv.hasPermission(player, Permissions.PERM_EDITINV)) {
+                return false;
+            }
+        }
+
+        else if (inv instanceof SpecialEnderChest) {
+            if (!OpenInv.hasPermission(player, Permissions.PERM_EDITENDER)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+    
+    private IInventory grabInventory(Inventory inventory) {
+        if(inventory instanceof CraftInventory) {
+            return ((CraftInventory) inventory).getInventory();
+        }
+        
+        //Use reflection to find the iinventory
+        Class<? extends Inventory> clazz = inventory.getClass();
+        IInventory result = null;
+        for(Field f : clazz.getDeclaredFields()) {
+            f.setAccessible(true);
+            if(IInventory.class.isAssignableFrom(f.getDeclaringClass())) {
+                try {
+                    result = (IInventory) f.get(inventory);
+                }
+                catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+        return result;
+    }
+}

src/main/java/com/lishid/openinv/internal/v1_10_R1/PlayerDataManager.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2011-2014 lishid.  All rights reserved.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation,  version 3.
+ * 
+ * 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lishid.openinv.internal.v1_10_R1;
+
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.entity.Player;
+
+import com.mojang.authlib.GameProfile;
+
+// Volatile
+import net.minecraft.server.v1_10_R1.EntityPlayer;
+import net.minecraft.server.v1_10_R1.MinecraftServer;
+import net.minecraft.server.v1_10_R1.PlayerInteractManager;
+
+import org.bukkit.craftbukkit.v1_10_R1.CraftServer;
+
+public class PlayerDataManager extends com.lishid.openinv.internal.PlayerDataManager {
+
+    @Override
+    public Player loadOfflinePlayer(OfflinePlayer offline) {
+        if (offline == null || !offline.hasPlayedBefore()) {
+            return null;
+        }
+        GameProfile profile = new GameProfile(offline.getUniqueId(), offline.getName());
+        MinecraftServer server = ((CraftServer) Bukkit.getServer()).getServer();
+        // Create an entity to load the player data
+        EntityPlayer entity = new EntityPlayer(server, server.getWorldServer(0), profile, new PlayerInteractManager(server.getWorldServer(0)));
+
+        // Get the bukkit entity
+        Player target = (entity == null) ? null : entity.getBukkitEntity();
+        if (target != null) {
+            // Load data
+            target.loadData();
+            // Return the entity
+            return target;
+        }
+        return null;
+    }
+
+    @Override
+    public String getPlayerDataID(OfflinePlayer player) {
+        return player.getUniqueId().toString();
+    }
+}

src/main/java/com/lishid/openinv/internal/v1_10_R1/SilentContainerChest.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2011-2014 lishid.  All rights reserved.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation,  version 3.
+ * 
+ * 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lishid.openinv.internal.v1_10_R1;
+
+// Volatile
+import net.minecraft.server.v1_10_R1.ContainerChest;
+import net.minecraft.server.v1_10_R1.EntityHuman;
+import net.minecraft.server.v1_10_R1.IInventory;
+import net.minecraft.server.v1_10_R1.PlayerInventory;
+
+public class SilentContainerChest extends ContainerChest {
+    public IInventory inv;
+
+    public SilentContainerChest(IInventory i1, IInventory i2, EntityHuman e1) {
+        super(i1, i2, e1);
+        inv = i2;
+        // close signal
+        inv.closeContainer(e1);
+    }
+
+    @Override
+    public void b(EntityHuman entityHuman) {
+        // Don't send close signal twice, might screw up
+        PlayerInventory playerinventory = entityHuman.inventory;
+
+        if (playerinventory.getCarried() != null) {
+            entityHuman.drop(playerinventory.getCarried(), false);
+            playerinventory.setCarried(null);
+        }
+    }
+}

src/main/java/com/lishid/openinv/internal/v1_10_R1/SpecialEnderChest.java

@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2011-2014 lishid.  All rights reserved.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation,  version 3.
+ * 
+ * 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lishid.openinv.internal.v1_10_R1;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.InventoryHolder;
+
+import com.lishid.openinv.OpenInv;
+import com.lishid.openinv.internal.ISpecialEnderChest;
+
+// Volatile
+import net.minecraft.server.v1_10_R1.EntityHuman;
+import net.minecraft.server.v1_10_R1.IInventory;
+import net.minecraft.server.v1_10_R1.InventoryEnderChest;
+import net.minecraft.server.v1_10_R1.InventorySubcontainer;
+import net.minecraft.server.v1_10_R1.ItemStack;
+
+import org.bukkit.craftbukkit.v1_10_R1.entity.CraftHumanEntity;
+import org.bukkit.craftbukkit.v1_10_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_10_R1.inventory.CraftInventory;
+
+public class SpecialEnderChest extends InventorySubcontainer implements IInventory, ISpecialEnderChest {
+
+    private final OpenInv plugin;
+    private final InventoryEnderChest enderChest;
+    private final CraftInventory inventory = new CraftInventory(this);
+    public List<HumanEntity> transaction = new ArrayList<HumanEntity>();
+    public boolean playerOnline = false;
+    private CraftPlayer owner;
+    private int maxStack = MAX_STACK;
+
+    public SpecialEnderChest(OpenInv plugin, Player p, Boolean online) {
+        super(((CraftPlayer) p).getHandle().getEnderChest().getName(), ((CraftPlayer) p).getHandle().getEnderChest().hasCustomName(), ((CraftPlayer) p).getHandle().getEnderChest().getSize());
+        this.plugin = plugin;
+        CraftPlayer player = (CraftPlayer) p;
+        this.enderChest = player.getHandle().getEnderChest();
+        this.owner = player;
+        setItemArrays(this, enderChest.getContents());
+    }
+
+    private void setItemArrays(InventorySubcontainer subcontainer, ItemStack[] items) {
+        try {
+            // Prepare to remove final modifier
+            Field modifiers;
+                modifiers = Field.class.getDeclaredField("modifiers");
+            modifiers.setAccessible(true);
+            // Access and replace main inventory array
+            Field field = InventorySubcontainer.class.getField("items");
+            modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
+            field.set(inventory, items);
+        } catch (NoSuchFieldException e) {
+            e.printStackTrace();
+        } catch (SecurityException e) {
+            e.printStackTrace();
+        } catch (IllegalArgumentException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public Inventory getBukkitInventory() {
+        return inventory;
+    }
+
+    @Override
+    public boolean inventoryRemovalCheck(boolean save) {
+        boolean offline = transaction.isEmpty() && !playerOnline;
+        if (offline && save && !plugin.disableSaving()) {
+            owner.saveData();
+        }
+        return offline;
+    }
+
+    @Override
+    public void setPlayerOnline(Player player) {
+        if (!playerOnline) {
+            try {
+                owner = (CraftPlayer) player;
+                setItemArrays(owner.getHandle().getEnderChest(), this.items);
+            }
+            catch (Exception e) {}
+            playerOnline = true;
+        }
+    }
+
+    @Override
+    public boolean setPlayerOffline() {
+        playerOnline = false;
+        return inventoryRemovalCheck(false);
+    }
+
+    @Override
+    public ItemStack[] getContents() {
+        return this.items;
+    }
+
+    @Override
+    public void onOpen(CraftHumanEntity who) {
+        transaction.add(who);
+    }
+
+    @Override
+    public void onClose(CraftHumanEntity who) {
+        transaction.remove(who);
+        this.inventoryRemovalCheck(true);
+    }
+
+    @Override
+    public List<HumanEntity> getViewers() {
+        return transaction;
+    }
+
+    @Override
+    public InventoryHolder getOwner() {
+        return this.owner;
+    }
+
+    @Override
+    public void setMaxStackSize(int size) {
+        maxStack = size;
+    }
+
+    @Override
+    public int getMaxStackSize() {
+        return maxStack;
+    }
+
+    @Override
+    public boolean a(EntityHuman entityhuman) {
+        return true;
+    }
+
+    public void startOpen() {
+
+    }
+
+    public void f() {
+
+    }
+
+    @Override
+    public void update() {
+        enderChest.update();
+    }
+}

src/main/java/com/lishid/openinv/internal/v1_10_R1/SpecialPlayerInventory.java

@@ -0,0 +1,321 @@
+/*
+ * Copyright (C) 2011-2014 lishid.  All rights reserved.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation,  version 3.
+ * 
+ * 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lishid.openinv.internal.v1_10_R1;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.Inventory;
+
+import com.lishid.openinv.OpenInv;
+import com.lishid.openinv.internal.ISpecialPlayerInventory;
+
+// Volatile
+import net.minecraft.server.v1_10_R1.EntityHuman;
+import net.minecraft.server.v1_10_R1.ItemStack;
+import net.minecraft.server.v1_10_R1.PlayerInventory;
+
+import org.bukkit.craftbukkit.v1_10_R1.entity.CraftHumanEntity;
+import org.bukkit.craftbukkit.v1_10_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_10_R1.inventory.CraftInventory;
+
+public class SpecialPlayerInventory extends PlayerInventory implements ISpecialPlayerInventory {
+
+    private final OpenInv plugin;
+    private final ItemStack[] extra = new ItemStack[4];
+    private final CraftInventory inventory = new CraftInventory(this);
+    private CraftPlayer owner;
+    private boolean playerOnline = false;
+
+    public SpecialPlayerInventory(OpenInv plugin, Player p, Boolean online) {
+        super(((CraftPlayer) p).getHandle());
+        this.plugin = plugin;
+        this.owner = ((CraftPlayer) p);
+        this.playerOnline = online;
+        setItemArrays(this, player.inventory.items, player.inventory.armor, player.inventory.extraSlots);
+    }
+
+    private void setItemArrays(PlayerInventory inventory, ItemStack[] items, ItemStack[] armor,
+            ItemStack[] extraSlots) {
+        try {
+            // Prepare to remove final modifier
+            Field modifiers = Field.class.getDeclaredField("modifiers");
+            modifiers.setAccessible(true);
+
+            // Access and replace main inventory array
+            Field field = PlayerInventory.class.getField("items");
+            modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
+            field.set(inventory, items);
+
+            // Access and replace armor inventory array
+            field = PlayerInventory.class.getField("armor");
+            modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
+            field.set(inventory, armor);
+
+            // Access and replace offhand inventory array
+            field = PlayerInventory.class.getField("extraSlots");
+            modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
+            field.set(inventory, extraSlots);
+
+            // Access and replace array containing all inventory arrays
+            field = PlayerInventory.class.getDeclaredField("g");
+            field.setAccessible(true);
+            modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
+            field.set(inventory, new ItemStack[][] { items, armor, extraSlots });
+        } catch (NoSuchFieldException e) {
+            // Unable to set final fields to item arrays, we're screwed. Noisily fail.
+            e.printStackTrace();
+        } catch (IllegalArgumentException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public Inventory getBukkitInventory() {
+        return inventory;
+    }
+
+    @Override
+    public boolean inventoryRemovalCheck(boolean save) {
+        boolean offline = transaction.isEmpty() && !playerOnline;
+        if (offline && save && !plugin.disableSaving()) {
+            owner.saveData();
+        }
+        return offline;
+    }
+
+    @Override
+    public void setPlayerOnline(Player player) {
+        if (!playerOnline) {
+            owner = (CraftPlayer) player;
+            this.player = owner.getHandle();
+            setItemArrays(this.player.inventory, items, armor, extraSlots);
+            playerOnline = true;
+        }
+    }
+
+    @Override
+    public boolean setPlayerOffline() {
+        playerOnline = false;
+        return this.inventoryRemovalCheck(false);
+    }
+
+    @Override
+    public void onClose(CraftHumanEntity who) {
+        super.onClose(who);
+        this.inventoryRemovalCheck(true);
+    }
+
+    @Override
+    public ItemStack[] getContents() {
+        ItemStack[] C = new ItemStack[getSize()];
+        System.arraycopy(items, 0, C, 0, items.length);
+        System.arraycopy(armor, 0, C, items.length, armor.length);
+        System.arraycopy(extraSlots, 0, C, items.length + armor.length, extraSlots.length);
+        return C;
+    }
+
+    @Override
+    public int getSize() {
+        return super.getSize() + 5;
+    }
+
+    @Override
+    public ItemStack getItem(int i) {
+        ItemStack[] is = this.items;
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.armor;
+        }
+        else {
+            i = getReversedItemSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extraSlots;
+        }
+        else if (is == this.armor) {
+            i = getReversedArmorSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extra;
+        }
+
+        // extraSlots is, for now, just an array with length 1. No need for special handling.
+
+        return is[i];
+    }
+
+    @Override
+    public ItemStack splitStack(int i, int j) {
+        ItemStack[] is = this.items;
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.armor;
+        }
+        else {
+            i = getReversedItemSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extraSlots;
+        }
+        else if (is == this.armor) {
+            i = getReversedArmorSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extra;
+        }
+
+        if (is[i] != null) {
+            ItemStack itemstack;
+
+            if (is[i].count <= j) {
+                itemstack = is[i];
+                is[i] = null;
+                return itemstack;
+            }
+            else {
+                itemstack = is[i].cloneAndSubtract(j);
+                if (is[i].count == 0) {
+                    is[i] = null;
+                }
+
+                return itemstack;
+            }
+        }
+        else {
+            return null;
+        }
+    }
+
+    @Override
+    public ItemStack splitWithoutUpdate(int i) {
+        ItemStack[] is = this.items;
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.armor;
+        }
+        else {
+            i = getReversedItemSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extraSlots;
+        }
+        else if (is == this.armor) {
+            i = getReversedArmorSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extra;
+        }
+
+        if (is[i] != null) {
+            ItemStack itemstack = is[i];
+
+            is[i] = null;
+            return itemstack;
+        }
+        else {
+            return null;
+        }
+    }
+
+    @Override
+    public void setItem(int i, ItemStack itemstack) {
+        ItemStack[] is = this.items;
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.armor;
+        }
+        else {
+            i = getReversedItemSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extraSlots;
+        }
+        else if (is == this.armor) {
+            i = getReversedArmorSlotNum(i);
+        }
+
+        if (i >= is.length) {
+            i -= is.length;
+            is = this.extra;
+        }
+
+        // Effects
+        if (is == this.extra) {
+            owner.getHandle().drop(itemstack, true);
+            itemstack = null;
+        }
+
+        is[i] = itemstack;
+
+        owner.getHandle().defaultContainer.b();
+    }
+
+    private int getReversedItemSlotNum(int i) {
+        if (i >= 27)
+            return i - 27;
+        else
+            return i + 9;
+    }
+
+    private int getReversedArmorSlotNum(int i) {
+        if (i == 0)
+            return 3;
+        if (i == 1)
+            return 2;
+        if (i == 2)
+            return 1;
+        if (i == 3)
+            return 0;
+        else
+            return i;
+    }
+
+    @Override
+    public String getName() {
+        if (player.getName().length() > 16) {
+            return player.getName().substring(0, 16);
+        }
+        return player.getName();
+    }
+
+    @Override
+    public boolean a(EntityHuman entityhuman) {
+        return true;
+    }
+}

src/main/resources/plugin.yml

@@ -1,6 +1,6 @@
 name: OpenInv
 main: com.lishid.openinv.OpenInv
-version: 2.4.4
+version: 2.4.6
 author: lishid
 authors: [Jikoo]
 description: >