Cursor/crafting progress

Practically should make it 2020 at this rate, whoops

api/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvparent</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
   <artifactId>openinvapi</artifactId>

assembly/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvparent</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
   <artifactId>openinvassembly</artifactId>

common/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvparent</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
   <artifactId>openinvcommon</artifactId>
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.lishid</groupId>
       <artifactId>openinvapi</artifactId>
-      <version>4.0.8</version>
+      <version>4.0.8-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.spigotmc</groupId>

common/src/main/java/com/lishid/openinv/util/Cache.java

@@ -19,11 +19,11 @@ package com.lishid.openinv.util;
 import com.google.common.collect.Multimap;
 import com.google.common.collect.TreeMultimap;
 import java.util.ArrayList;
-import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * A minimal thread-safe time-based cache implementation backed by a HashMap and TreeMultimap.
@@ -45,20 +45,9 @@ public class Cache<K, V> {
      * @param postRemoval Function used to perform any operations required when a key is invalidated
      */
     public Cache(final long retention, final Function<V> inUseCheck, final Function<V> postRemoval) {
-        this.internal = new HashMap<K, V>();
+        this.internal = new HashMap<>();
 
-        this.expiry = TreeMultimap.create(new Comparator<Long>() {
-                    @Override
-                    public int compare(final Long long1, final Long long2) {
-                        return long1.compareTo(long2);
-                    }
-                },
-                new Comparator<K>() {
-                    @Override
-                    public int compare(final K k1, final K k2) {
-                        return k1 == k2 || k1 != null && k1.equals(k2) ? 0 : 1;
-                    }
-                });
+        this.expiry = TreeMultimap.create(Long::compareTo, (k1, k2) -> Objects.equals(k1, k2) ? 0 : 1);
 
         this.retention = retention;
         this.inUseCheck = inUseCheck;
@@ -160,7 +149,7 @@ public class Cache<K, V> {
     private void lazyCheck() {
         long now = System.currentTimeMillis();
         synchronized (this.internal) {
-            List<K> inUse = new ArrayList<K>();
+            List<K> inUse = new ArrayList<>();
             for (Iterator<Map.Entry<Long, K>> iterator = this.expiry.entries().iterator(); iterator
                     .hasNext();) {
                 Map.Entry<Long, K> entry = iterator.next();

common/src/main/java/com/lishid/openinv/util/Pair.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2011-2019 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.util;
+
+/**
+ * Simple tuple.
+ *
+ * @param <L> the left value
+ * @param <R> the right value
+ *
+ * @author Jikoo
+ */
+public class Pair<L, R> {
+
+    private L left;
+    private R right;
+
+    public Pair(L left, R right) {
+        this.left = left;
+        this.right = right;
+    }
+
+    public L getLeft() {
+        return left;
+    }
+
+    public void setLeft(L left) {
+        this.left = left;
+    }
+
+    public R getRight() {
+        return right;
+    }
+
+    public void setRight(R right) {
+        this.right = right;
+    }
+
+}

common/src/main/java/com/lishid/openinv/util/SingleFieldList.java

@@ -0,0 +1,201 @@
+/*
+ * Copyright (C) 2011-2019 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.util;
+
+import java.util.AbstractCollection;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.NoSuchElementException;
+import java.util.Objects;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * A List implementation intended for wrapping a single field.
+ *
+ * @param <V> the type of the field
+ *
+ * @author Jikoo
+ */
+public class SingleFieldList<V> extends AbstractCollection<V> implements List<V> {
+
+    private final Supplier<V> fieldGetter;
+    private final Consumer<V> fieldSetter;
+
+    public SingleFieldList(@NotNull Supplier<V> fieldGetter, @NotNull Consumer<V> fieldSetter) {
+        this.fieldGetter = fieldGetter;
+        this.fieldSetter = fieldSetter;
+    }
+
+    @Override
+    public int size() {
+        return 1;
+    }
+
+    @Override
+    public boolean contains(Object o) {
+        return Objects.equals(o, fieldGetter.get());
+    }
+
+    @NotNull
+    @Override
+    public Iterator<V> iterator() {
+        return listIterator();
+    }
+
+    @Override
+    public boolean addAll(int index, @NotNull Collection<? extends V> c) {
+        return super.addAll(c);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return o instanceof SingleFieldList
+                && fieldGetter.equals(((SingleFieldList) o).fieldGetter)
+                && fieldSetter.equals(((SingleFieldList) o).fieldSetter);
+    }
+
+    @Override
+    public int hashCode() {
+        return fieldSetter.hashCode() * 17 * fieldGetter.hashCode();
+    }
+
+    @Override
+    public V get(int index) {
+        if (index != 0) {
+            throw new IndexOutOfBoundsException();
+        }
+        return fieldGetter.get();
+    }
+
+    @Override
+    public V set(int index, V element) {
+        if (index != 0) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        V old = fieldGetter.get();
+        fieldSetter.accept(element);
+
+        return old;
+    }
+
+    @Override
+    public void add(int index, V element) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public V remove(int index) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public int indexOf(Object o) {
+        return fieldGetter.get().equals(o) ? 0 : -1;
+    }
+
+    @Override
+    public int lastIndexOf(Object o) {
+        return indexOf(o);
+    }
+
+    @NotNull
+    @Override
+    public ListIterator<V> listIterator() {
+        return new ListIterator<V>() {
+            private boolean hasNext = true;
+
+            @Override
+            public boolean hasNext() {
+                return hasNext;
+            }
+
+            @Override
+            public V next() {
+                if (!hasNext) {
+                    throw new NoSuchElementException();
+                }
+                return fieldGetter.get();
+            }
+
+            @Override
+            public boolean hasPrevious() {
+                return !hasNext;
+            }
+
+            @Override
+            public V previous() {
+                if (hasNext) {
+                    throw new NoSuchElementException();
+                }
+                return fieldGetter.get();
+            }
+
+            @Override
+            public int nextIndex() {
+                return hasNext ? 0 : 1;
+            }
+
+            @Override
+            public int previousIndex() {
+                return hasNext ? -1 : 0;
+            }
+
+            @Override
+            public void remove() {
+                throw new UnsupportedOperationException();
+            }
+
+            @Override
+            public void set(V v) {
+                fieldSetter.accept(v);
+            }
+
+            @Override
+            public void add(V v) {
+                throw new UnsupportedOperationException();
+            }
+        };
+    }
+
+    @NotNull
+    @Override
+    public ListIterator<V> listIterator(int index) {
+        if (index != 0) {
+            throw new IndexOutOfBoundsException();
+        }
+        return listIterator();
+    }
+
+    @NotNull
+    @Override
+    public List<V> subList(int fromIndex, int toIndex) {
+        if (fromIndex != 0 || toIndex != 1) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        return this;
+    }
+
+    @Override
+    public void clear() {}
+
+}

internal/pom.xml

@@ -20,7 +20,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvparent</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
   <artifactId>openinvinternal</artifactId>
@@ -34,8 +34,8 @@
       <id>all</id>
       <modules>
         <module>v1_8_R3</module>
+        <module>v1_13_R2</module>
         <module>v1_14_R1</module>
-        <module>v1_15_R1</module>
       </modules>
     </profile>
 

internal/v1_13_R2/pom.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <!--
   ~ Copyright (C) 2011-2019 lishid. All rights reserved.
   ~
@@ -22,23 +21,23 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvinternal</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
-  <artifactId>openinvadapter1_15_R1</artifactId>
-  <name>OpenInvAdapter1_15_R1</name>
+  <artifactId>openinvadapter1_13_R2</artifactId>
+  <name>OpenInvAdapter1_13_R2</name>
 
   <dependencies>
     <dependency>
       <groupId>org.spigotmc</groupId>
       <artifactId>spigot</artifactId>
-      <version>1.15-R0.1-SNAPSHOT</version>
+      <version>1.13.2-R0.1-SNAPSHOT</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>com.lishid</groupId>
       <artifactId>openinvcommon</artifactId>
-      <version>4.0.8</version>
+      <version>4.0.8-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
@@ -72,4 +71,4 @@
     </plugins>
   </build>
 
-</project>
+</project>

internal/v1_13_R2/src/main/java/com/lishid/openinv/internal/v1_13_R2/AnySilentContainer.java

@@ -0,0 +1,309 @@
+/*
+ * Copyright (C) 2011-2019 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_13_R2;
+
+import com.lishid.openinv.internal.IAnySilentContainer;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import net.minecraft.server.v1_13_R2.AxisAlignedBB;
+import net.minecraft.server.v1_13_R2.Block;
+import net.minecraft.server.v1_13_R2.BlockChest;
+import net.minecraft.server.v1_13_R2.BlockChestTrapped;
+import net.minecraft.server.v1_13_R2.BlockEnderChest;
+import net.minecraft.server.v1_13_R2.BlockPosition;
+import net.minecraft.server.v1_13_R2.BlockPropertyChestType;
+import net.minecraft.server.v1_13_R2.BlockShulkerBox;
+import net.minecraft.server.v1_13_R2.ChatMessage;
+import net.minecraft.server.v1_13_R2.Entity;
+import net.minecraft.server.v1_13_R2.EntityOcelot;
+import net.minecraft.server.v1_13_R2.EntityPlayer;
+import net.minecraft.server.v1_13_R2.EnumDirection;
+import net.minecraft.server.v1_13_R2.EnumGamemode;
+import net.minecraft.server.v1_13_R2.IBlockData;
+import net.minecraft.server.v1_13_R2.ITileInventory;
+import net.minecraft.server.v1_13_R2.InventoryEnderChest;
+import net.minecraft.server.v1_13_R2.InventoryLargeChest;
+import net.minecraft.server.v1_13_R2.PlayerInteractManager;
+import net.minecraft.server.v1_13_R2.TileEntity;
+import net.minecraft.server.v1_13_R2.TileEntityChest;
+import net.minecraft.server.v1_13_R2.TileEntityEnderChest;
+import net.minecraft.server.v1_13_R2.TileEntityShulkerBox;
+import net.minecraft.server.v1_13_R2.VoxelShape;
+import net.minecraft.server.v1_13_R2.VoxelShapes;
+import net.minecraft.server.v1_13_R2.World;
+import org.bukkit.Material;
+import org.bukkit.Statistic;
+import org.bukkit.block.BlockState;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.InventoryView;
+import org.jetbrains.annotations.NotNull;
+
+public class AnySilentContainer implements IAnySilentContainer {
+
+    private Field playerInteractManagerGamemode;
+
+    public AnySilentContainer() {
+        try {
+            this.playerInteractManagerGamemode = PlayerInteractManager.class.getDeclaredField("gamemode");
+            this.playerInteractManagerGamemode.setAccessible(true);
+        } catch (NoSuchFieldException | SecurityException e) {
+            System.err.println("[OpenInv] Unable to directly write player gamemode! SilentChest will fail.");
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public boolean isAnySilentContainer(@NotNull final org.bukkit.block.Block bukkitBlock) {
+        if (bukkitBlock.getType() == Material.ENDER_CHEST) {
+            return true;
+        }
+        BlockState state = bukkitBlock.getState();
+        return state instanceof org.bukkit.block.Chest
+                || state instanceof org.bukkit.block.ShulkerBox;
+    }
+
+    @Override
+    public boolean isAnyContainerNeeded(@NotNull final Player bukkitPlayer, @NotNull final org.bukkit.block.Block bukkitBlock) {
+
+        World world = PlayerDataManager.getHandle(bukkitPlayer).world;
+        BlockPosition blockPosition = new BlockPosition(bukkitBlock.getX(), bukkitBlock.getY(), bukkitBlock.getZ());
+        IBlockData blockData = world.getType(blockPosition);
+        Block block = blockData.getBlock();
+
+        if (block instanceof BlockShulkerBox) {
+            return this.isBlockedShulkerBox(world, blockPosition, blockData);
+        }
+
+        if (block instanceof BlockEnderChest) {
+            // Ender chests are not blocked by ocelots.
+            return world.getType(blockPosition.up()).isOccluding();
+        }
+
+        // Check if chest is blocked or has an ocelot on top
+        if (this.isBlockedChest(world, blockPosition)) {
+            return true;
+        }
+
+        // Check for matching adjacent chests that are blocked or have an ocelot on top
+        BlockPropertyChestType chestType = blockData.get(BlockChest.b);
+
+        if (chestType == BlockPropertyChestType.SINGLE) {
+            return false;
+        }
+
+        BlockPosition adjacentBlockPosition = blockPosition.shift(BlockChest.k(blockData));
+        IBlockData adjacentBlockData = world.getType(adjacentBlockPosition);
+
+        if (adjacentBlockData.getBlock() == block) {
+
+            BlockPropertyChestType adjacentChestType = adjacentBlockData.get(BlockChest.b);
+
+            if (adjacentChestType != BlockPropertyChestType.SINGLE && chestType != adjacentChestType
+                    && adjacentBlockData.get(BlockChest.FACING) == blockData.get(BlockChest.FACING)) {
+
+                return this.isBlockedChest(world, adjacentBlockPosition);
+            }
+        }
+
+        return false;
+    }
+
+    private boolean isBlockedShulkerBox(final World world, final BlockPosition blockPosition,
+                                        final IBlockData blockData) {
+        // For reference, look at net.minecraft.server.BlockShulkerBox
+        TileEntity tile = world.getTileEntity(blockPosition);
+
+        if (!(tile instanceof TileEntityShulkerBox)) {
+            return false;
+        }
+
+        EnumDirection enumDirection = blockData.get(BlockShulkerBox.a);
+        if (((TileEntityShulkerBox) tile).r() == TileEntityShulkerBox.AnimationPhase.CLOSED) {
+            AxisAlignedBB axisAlignedBB;
+            try {
+                Method method = VoxelShape.class.getMethod("a");
+                axisAlignedBB = (AxisAlignedBB) method.invoke(VoxelShapes.b());
+            } catch (NoSuchMethodException e) {
+                axisAlignedBB = VoxelShapes.b().getBoundingBox();
+            } catch (InvocationTargetException | IllegalAccessException e) {
+                return false;
+            }
+            axisAlignedBB = axisAlignedBB
+                    .b(0.5F * enumDirection.getAdjacentX(), 0.5F * enumDirection.getAdjacentY(), 0.5F * enumDirection.getAdjacentZ())
+                    .a(enumDirection.getAdjacentX(), enumDirection.getAdjacentY(), enumDirection.getAdjacentZ());
+            return !world.getCubes(null, axisAlignedBB.a(blockPosition.shift(enumDirection)));
+        }
+
+        return false;
+    }
+
+    private boolean isBlockedChest(final World world, final BlockPosition blockPosition) {
+        // For reference, loot at net.minecraft.server.BlockChest
+        return world.getType(blockPosition.up()).isOccluding() || this.hasOcelotOnTop(world, blockPosition);
+    }
+
+    private boolean hasOcelotOnTop(final World world, final BlockPosition blockPosition) {
+        for (Entity entity : world.a(EntityOcelot.class,
+                new AxisAlignedBB(blockPosition.getX(), blockPosition.getY() + 1,
+                        blockPosition.getZ(), blockPosition.getX() + 1, blockPosition.getY() + 2,
+                        blockPosition.getZ() + 1))) {
+            EntityOcelot entityOcelot = (EntityOcelot) entity;
+            if (entityOcelot.isSitting()) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean activateContainer(@NotNull final Player bukkitPlayer, final boolean silent,
+                                     @NotNull final org.bukkit.block.Block bukkitBlock) {
+
+        // Silent ender chest is API-only
+        if (silent && bukkitBlock.getType() == Material.ENDER_CHEST) {
+            bukkitPlayer.openInventory(bukkitPlayer.getEnderChest());
+            bukkitPlayer.incrementStatistic(Statistic.ENDERCHEST_OPENED);
+            return true;
+        }
+
+        EntityPlayer player = PlayerDataManager.getHandle(bukkitPlayer);
+
+        final World world = player.world;
+        final BlockPosition blockPosition = new BlockPosition(bukkitBlock.getX(), bukkitBlock.getY(), bukkitBlock.getZ());
+        final Object tile = world.getTileEntity(blockPosition);
+
+        if (tile == null) {
+            return false;
+        }
+
+        if (tile instanceof TileEntityEnderChest) {
+            // Anychest ender chest. See net.minecraft.server.BlockEnderChest
+            InventoryEnderChest enderChest = player.getEnderChest();
+            enderChest.a((TileEntityEnderChest) tile);
+            player.openContainer(enderChest);
+            bukkitPlayer.incrementStatistic(Statistic.ENDERCHEST_OPENED);
+            return true;
+        }
+
+        if (!(tile instanceof ITileInventory)) {
+            return false;
+        }
+
+        ITileInventory tileInventory = (ITileInventory) tile;
+        IBlockData blockData = world.getType(blockPosition);
+        Block block = blockData.getBlock();
+
+        if (block instanceof BlockChest) {
+
+            BlockPropertyChestType chestType = blockData.get(BlockChest.b);
+
+            if (chestType != BlockPropertyChestType.SINGLE) {
+
+                BlockPosition adjacentBlockPosition = blockPosition.shift(BlockChest.k(blockData));
+                IBlockData adjacentBlockData = world.getType(adjacentBlockPosition);
+
+                if (adjacentBlockData.getBlock() == block) {
+
+                    BlockPropertyChestType adjacentChestType = adjacentBlockData.get(BlockChest.b);
+
+                    if (adjacentChestType != BlockPropertyChestType.SINGLE && chestType != adjacentChestType
+                            && adjacentBlockData.get(BlockChest.FACING) == blockData.get(BlockChest.FACING)) {
+
+                        TileEntity adjacentTile = world.getTileEntity(adjacentBlockPosition);
+
+                        if (adjacentTile instanceof TileEntityChest) {
+                            ITileInventory rightChest = chestType == BlockPropertyChestType.RIGHT ? tileInventory : (ITileInventory) adjacentTile;
+                            ITileInventory leftChest = chestType == BlockPropertyChestType.RIGHT ? (ITileInventory) adjacentTile : tileInventory;
+                            tileInventory = new InventoryLargeChest(new ChatMessage("container.chestDouble"), rightChest, leftChest);
+                        }
+                    }
+                }
+            }
+
+            if (block instanceof BlockChestTrapped) {
+                bukkitPlayer.incrementStatistic(Statistic.TRAPPED_CHEST_TRIGGERED);
+            } else {
+                bukkitPlayer.incrementStatistic(Statistic.CHEST_OPENED);
+            }
+        }
+
+        if (block instanceof BlockShulkerBox) {
+            bukkitPlayer.incrementStatistic(Statistic.SHULKER_BOX_OPENED);
+        }
+
+        // AnyChest only - SilentChest not active, container unsupported, or unnecessary.
+        if (!silent || player.playerInteractManager.getGameMode() == EnumGamemode.SPECTATOR) {
+            player.openContainer(tileInventory);
+            return true;
+        }
+
+        // SilentChest requires access to setting players' gamemode directly.
+        if (this.playerInteractManagerGamemode == null) {
+            return false;
+        }
+
+        EnumGamemode gamemode = player.playerInteractManager.getGameMode();
+        this.forceGameMode(player, EnumGamemode.SPECTATOR);
+        player.openContainer(tileInventory);
+        this.forceGameMode(player, gamemode);
+        return true;
+    }
+
+    @Override
+    public void deactivateContainer(@NotNull final Player bukkitPlayer) {
+        if (this.playerInteractManagerGamemode == null) {
+            return;
+        }
+
+        InventoryView view = bukkitPlayer.getOpenInventory();
+        switch (view.getType()) {
+        case CHEST:
+        case ENDER_CHEST:
+        case SHULKER_BOX:
+            break;
+        default:
+            return;
+        }
+
+        EntityPlayer player = PlayerDataManager.getHandle(bukkitPlayer);
+
+        EnumGamemode gamemode = player.playerInteractManager.getGameMode();
+        this.forceGameMode(player, EnumGamemode.SPECTATOR);
+        player.activeContainer.b(player);
+        player.activeContainer = player.defaultContainer;
+        this.forceGameMode(player, gamemode);
+    }
+
+    private void forceGameMode(final EntityPlayer player, final EnumGamemode gameMode) {
+        if (this.playerInteractManagerGamemode == null) {
+            // No need to warn repeatedly, error on startup and lack of function should be enough.
+            return;
+        }
+        try {
+            if (!this.playerInteractManagerGamemode.isAccessible()) {
+                // Just in case, ensure accessible.
+                this.playerInteractManagerGamemode.setAccessible(true);
+            }
+            this.playerInteractManagerGamemode.set(player.playerInteractManager, gameMode);
+        } catch (IllegalArgumentException | IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+}

internal/v1_13_R2/src/main/java/com/lishid/openinv/internal/v1_13_R2/PlayerDataManager.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2011-2019 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_13_R2;
+
+import com.lishid.openinv.internal.IPlayerDataManager;
+import com.lishid.openinv.internal.ISpecialInventory;
+import com.mojang.authlib.GameProfile;
+import net.minecraft.server.v1_13_R2.DimensionManager;
+import net.minecraft.server.v1_13_R2.EntityPlayer;
+import net.minecraft.server.v1_13_R2.MinecraftServer;
+import net.minecraft.server.v1_13_R2.PlayerInteractManager;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.Server;
+import org.bukkit.craftbukkit.v1_13_R2.CraftServer;
+import org.bukkit.craftbukkit.v1_13_R2.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.InventoryView;
+import org.jetbrains.annotations.NotNull;
+
+public class PlayerDataManager implements IPlayerDataManager {
+
+    public static EntityPlayer getHandle(final Player player) {
+        if (player instanceof CraftPlayer) {
+            return ((CraftPlayer) player).getHandle();
+        }
+
+        Server server = player.getServer();
+        EntityPlayer nmsPlayer = null;
+
+        if (server instanceof CraftServer) {
+            nmsPlayer = ((CraftServer) server).getHandle().getPlayer(player.getName());
+        }
+
+        if (nmsPlayer == null) {
+            // Could use reflection to examine fields, but it's honestly not worth the bother.
+            throw new RuntimeException("Unable to fetch EntityPlayer from provided Player implementation");
+        }
+
+        return nmsPlayer;
+    }
+
+    @Override
+    public Player loadPlayer(@NotNull final OfflinePlayer offline) {
+        // Ensure player has data
+        if (!offline.hasPlayedBefore()) {
+            return null;
+        }
+
+        // Create a profile and entity to load the player data
+        GameProfile profile = new GameProfile(offline.getUniqueId(), offline.getName());
+        MinecraftServer server = ((CraftServer) Bukkit.getServer()).getServer();
+        EntityPlayer entity = new EntityPlayer(server, server.getWorldServer(DimensionManager.OVERWORLD), profile,
+                new PlayerInteractManager(server.getWorldServer(DimensionManager.OVERWORLD)));
+
+        // Get the bukkit entity
+        Player target = entity.getBukkitEntity();
+        if (target != null) {
+            // Load data
+            target.loadData();
+        }
+        // Return the entity
+        return target;
+    }
+
+    @Override
+    public InventoryView openInventory(@NotNull Player player, @NotNull ISpecialInventory inventory) {
+        return player.openInventory(inventory.getBukkitInventory());
+    }
+
+}

internal/v1_13_R2/src/main/java/com/lishid/openinv/internal/v1_13_R2/SpecialEnderChest.java

@@ -14,44 +14,50 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package com.lishid.openinv.internal.v1_15_R1;
+package com.lishid.openinv.internal.v1_13_R2;
 
 import com.lishid.openinv.internal.ISpecialEnderChest;
 import java.util.List;
-import net.minecraft.server.v1_15_R1.AutoRecipeStackManager;
-import net.minecraft.server.v1_15_R1.ContainerUtil;
-import net.minecraft.server.v1_15_R1.EntityHuman;
-import net.minecraft.server.v1_15_R1.EntityPlayer;
-import net.minecraft.server.v1_15_R1.IInventoryListener;
-import net.minecraft.server.v1_15_R1.InventoryEnderChest;
-import net.minecraft.server.v1_15_R1.ItemStack;
-import net.minecraft.server.v1_15_R1.NonNullList;
+import javax.annotation.Nullable;
+import net.minecraft.server.v1_13_R2.AutoRecipeOutput;
+import net.minecraft.server.v1_13_R2.AutoRecipeStackManager;
+import net.minecraft.server.v1_13_R2.ContainerUtil;
+import net.minecraft.server.v1_13_R2.EntityHuman;
+import net.minecraft.server.v1_13_R2.EntityPlayer;
+import net.minecraft.server.v1_13_R2.IChatBaseComponent;
+import net.minecraft.server.v1_13_R2.IInventory;
+import net.minecraft.server.v1_13_R2.IInventoryListener;
+import net.minecraft.server.v1_13_R2.InventoryEnderChest;
+import net.minecraft.server.v1_13_R2.ItemStack;
+import net.minecraft.server.v1_13_R2.NonNullList;
 import org.bukkit.Location;
-import org.bukkit.craftbukkit.v1_15_R1.entity.CraftHumanEntity;
-import org.bukkit.craftbukkit.v1_15_R1.inventory.CraftInventory;
+import org.bukkit.craftbukkit.v1_13_R2.entity.CraftHumanEntity;
+import org.bukkit.craftbukkit.v1_13_R2.inventory.CraftInventory;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.jetbrains.annotations.NotNull;
 
-public class SpecialEnderChest extends InventoryEnderChest implements ISpecialEnderChest {
+public class SpecialEnderChest implements IInventory, ISpecialEnderChest, AutoRecipeOutput {
 
-    private final CraftInventory inventory;
     private EntityPlayer owner;
+    private final IChatBaseComponent displayName;
+    private final CraftInventory inventory;
     private NonNullList<ItemStack> items;
     private boolean playerOnline;
 
     public SpecialEnderChest(final Player player, final Boolean online) {
-        super(PlayerDataManager.getHandle(player));
-        this.inventory = new CraftInventory(this);
         this.owner = PlayerDataManager.getHandle(player);
-        this.playerOnline = online;
+        this.displayName = this.owner.getEnderChest().getDisplayName();
+        this.inventory = new CraftInventory(this);
         this.items = this.owner.getEnderChest().items;
+        this.playerOnline = online;
     }
 
     @Override
-    public @NotNull CraftInventory getBukkitInventory() {
-        return inventory;
+    public @NotNull Inventory getBukkitInventory() {
+        return this.inventory;
     }
 
     @Override
@@ -84,57 +90,46 @@ public class SpecialEnderChest extends InventoryEnderChest implements ISpecialEn
         this.owner.getEnderChest().update();
     }
 
-    @Override
     public List<ItemStack> getContents() {
         return this.items;
     }
 
-    @Override
     public void onOpen(CraftHumanEntity who) {
         this.owner.getEnderChest().onOpen(who);
     }
 
-    @Override
     public void onClose(CraftHumanEntity who) {
         this.owner.getEnderChest().onClose(who);
     }
 
-    @Override
     public List<HumanEntity> getViewers() {
         return this.owner.getEnderChest().getViewers();
     }
 
-    @Override
     public void setMaxStackSize(int i) {
         this.owner.getEnderChest().setMaxStackSize(i);
     }
 
-    @Override
     public InventoryHolder getOwner() {
         return this.owner.getEnderChest().getOwner();
     }
 
-    @Override
     public Location getLocation() {
         return null;
     }
 
-    @Override
     public void a(IInventoryListener iinventorylistener) {
         this.owner.getEnderChest().a(iinventorylistener);
     }
 
-    @Override
     public void b(IInventoryListener iinventorylistener) {
         this.owner.getEnderChest().b(iinventorylistener);
     }
 
-    @Override
     public ItemStack getItem(int i) {
         return i >= 0 && i < this.items.size() ? this.items.get(i) : ItemStack.a;
     }
 
-    @Override
     public ItemStack splitStack(int i, int j) {
         ItemStack itemstack = ContainerUtil.a(this.items, i, j);
         if (!itemstack.isEmpty()) {
@@ -144,7 +139,6 @@ public class SpecialEnderChest extends InventoryEnderChest implements ISpecialEn
         return itemstack;
     }
 
-    @Override
     public ItemStack a(ItemStack itemstack) {
         ItemStack itemstack1 = itemstack.cloneItemStack();
 
@@ -177,7 +171,6 @@ public class SpecialEnderChest extends InventoryEnderChest implements ISpecialEn
         return itemstack1;
     }
 
-    @Override
     public ItemStack splitWithoutUpdate(int i) {
         ItemStack itemstack = this.items.get(i);
         if (itemstack.isEmpty()) {
@@ -188,7 +181,6 @@ public class SpecialEnderChest extends InventoryEnderChest implements ISpecialEn
         }
     }
 
-    @Override
     public void setItem(int i, ItemStack itemstack) {
         this.items.set(i, itemstack);
         if (!itemstack.isEmpty() && itemstack.getCount() > this.getMaxStackSize()) {
@@ -198,13 +190,11 @@ public class SpecialEnderChest extends InventoryEnderChest implements ISpecialEn
         this.update();
     }
 
-    @Override
     public int getSize() {
         return this.owner.getEnderChest().getSize();
     }
 
-    @Override
-    public boolean isNotEmpty() {
+    public boolean P_() {
 
         for (ItemStack itemstack : this.items) {
             if (!itemstack.isEmpty()) {
@@ -215,35 +205,56 @@ public class SpecialEnderChest extends InventoryEnderChest implements ISpecialEn
         return true;
     }
 
-    @Override
+    public IChatBaseComponent getDisplayName() {
+        return this.displayName;
+    }
+
+    @Nullable
+    public IChatBaseComponent getCustomName() {
+        return this.displayName;
+    }
+
+    public boolean hasCustomName() {
+        return false;
+    }
+
+    public void a(@Nullable IChatBaseComponent ichatbasecomponent) {
+        // Ignored - name is always player's name.
+    }
+
     public int getMaxStackSize() {
         return 64;
     }
 
-    @Override
     public boolean a(EntityHuman entityhuman) {
         return true;
     }
 
-    @Override
     public void startOpen(EntityHuman entityhuman) {
     }
 
-    @Override
     public void closeContainer(EntityHuman entityhuman) {
     }
 
-    @Override
     public boolean b(int i, ItemStack itemstack) {
         return true;
     }
 
-    @Override
+    public int getProperty(int i) {
+        return 0;
+    }
+
+    public void setProperty(int i, int j) {
+    }
+
+    public int h() {
+        return 0;
+    }
+
     public void clear() {
         this.items.clear();
     }
 
-    @Override
     public void a(AutoRecipeStackManager autorecipestackmanager) {
 
         for (ItemStack itemstack : this.items) {

internal/v1_13_R2/src/main/java/com/lishid/openinv/internal/v1_13_R2/SpecialPlayerInventory.java

@@ -14,56 +14,53 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package com.lishid.openinv.internal.v1_15_R1;
+package com.lishid.openinv.internal.v1_13_R2;
 
 import com.google.common.collect.ImmutableList;
 import com.lishid.openinv.internal.ISpecialPlayerInventory;
+import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.function.Predicate;
-import java.util.stream.Collectors;
-import net.minecraft.server.v1_15_R1.AutoRecipeStackManager;
-import net.minecraft.server.v1_15_R1.ChatMessage;
-import net.minecraft.server.v1_15_R1.ContainerUtil;
-import net.minecraft.server.v1_15_R1.CrashReport;
-import net.minecraft.server.v1_15_R1.CrashReportSystemDetails;
-import net.minecraft.server.v1_15_R1.EntityHuman;
-import net.minecraft.server.v1_15_R1.EntityPlayer;
-import net.minecraft.server.v1_15_R1.EnumItemSlot;
-import net.minecraft.server.v1_15_R1.IBlockData;
-import net.minecraft.server.v1_15_R1.IChatBaseComponent;
-import net.minecraft.server.v1_15_R1.Item;
-import net.minecraft.server.v1_15_R1.ItemArmor;
-import net.minecraft.server.v1_15_R1.ItemStack;
-import net.minecraft.server.v1_15_R1.NBTTagCompound;
-import net.minecraft.server.v1_15_R1.NBTTagList;
-import net.minecraft.server.v1_15_R1.NonNullList;
-import net.minecraft.server.v1_15_R1.PacketPlayOutSetSlot;
-import net.minecraft.server.v1_15_R1.PlayerInventory;
-import net.minecraft.server.v1_15_R1.ReportedException;
-import net.minecraft.server.v1_15_R1.World;
+import javax.annotation.Nullable;
+import net.minecraft.server.v1_13_R2.AutoRecipeStackManager;
+import net.minecraft.server.v1_13_R2.ChatMessage;
+import net.minecraft.server.v1_13_R2.ContainerUtil;
+import net.minecraft.server.v1_13_R2.CrashReport;
+import net.minecraft.server.v1_13_R2.CrashReportSystemDetails;
+import net.minecraft.server.v1_13_R2.EntityHuman;
+import net.minecraft.server.v1_13_R2.EntityPlayer;
+import net.minecraft.server.v1_13_R2.IBlockData;
+import net.minecraft.server.v1_13_R2.IChatBaseComponent;
+import net.minecraft.server.v1_13_R2.Item;
+import net.minecraft.server.v1_13_R2.ItemArmor;
+import net.minecraft.server.v1_13_R2.ItemStack;
+import net.minecraft.server.v1_13_R2.NBTTagCompound;
+import net.minecraft.server.v1_13_R2.NBTTagList;
+import net.minecraft.server.v1_13_R2.NonNullList;
+import net.minecraft.server.v1_13_R2.PacketPlayOutSetSlot;
+import net.minecraft.server.v1_13_R2.PlayerInventory;
+import net.minecraft.server.v1_13_R2.ReportedException;
+import net.minecraft.server.v1_13_R2.World;
 import org.bukkit.Location;
-import org.bukkit.craftbukkit.v1_15_R1.entity.CraftHumanEntity;
-import org.bukkit.craftbukkit.v1_15_R1.inventory.CraftInventory;
+import org.bukkit.craftbukkit.v1_13_R2.entity.CraftHumanEntity;
+import org.bukkit.craftbukkit.v1_13_R2.inventory.CraftInventory;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 public class SpecialPlayerInventory extends PlayerInventory implements ISpecialPlayerInventory {
 
-    private final CraftInventory inventory;
+    private final CraftInventory inventory = new CraftInventory(this);
     private boolean playerOnline;
-    private EntityHuman player;
     private NonNullList<ItemStack> items, armor, extraSlots;
     private List<NonNullList<ItemStack>> f;
 
     public SpecialPlayerInventory(final Player bukkitPlayer, final Boolean online) {
         super(PlayerDataManager.getHandle(bukkitPlayer));
-        this.inventory = new CraftInventory(this);
         this.playerOnline = online;
-        this.player = super.player;
         this.items = this.player.inventory.items;
         this.armor = this.player.inventory.armor;
         this.extraSlots = this.player.inventory.extraSlots;
@@ -94,8 +91,8 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
     }
 
     @Override
-    public @NotNull CraftInventory getBukkitInventory() {
-        return this.inventory;
+    public @NotNull Inventory getBukkitInventory() {
+        return inventory;
     }
 
     @Override
@@ -171,7 +168,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     @Override
     public int getSize() {
-        return 45;
+        return super.getSize() + 4;
     }
 
     @Override
@@ -212,7 +209,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     @Override
     public ItemStack splitStack(int i, final int j) {
-        List<ItemStack> list = this.items;
+        NonNullList<ItemStack> list = this.items;
 
         if (i >= list.size()) {
             i -= list.size();
@@ -237,7 +234,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     @Override
     public ItemStack splitWithoutUpdate(int i) {
-        List<ItemStack> list = this.items;
+        NonNullList<ItemStack> list = this.items;
 
         if (i >= list.size()) {
             i -= list.size();
@@ -267,44 +264,46 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return ItemStack.a;
     }
 
-    @Override
     public List<ItemStack> getContents() {
-        return this.f.stream().flatMap(List::stream).collect(Collectors.toList());
+        List<ItemStack> combined = new ArrayList<>(this.items.size() + this.armor.size() + this.extraSlots.size());
+
+        for (List<ItemStack> sub : this.f) {
+            combined.addAll(sub);
+        }
+
+        return combined;
     }
 
-    @Override
     public List<ItemStack> getArmorContents() {
         return this.armor;
     }
 
-    @Override
     public void onOpen(CraftHumanEntity who) {
         this.transaction.add(who);
     }
 
-    @Override
     public void onClose(CraftHumanEntity who) {
         this.transaction.remove(who);
     }
 
-    @Override
     public List<HumanEntity> getViewers() {
         return this.transaction;
     }
 
-    @Override
     public InventoryHolder getOwner() {
         return this.player.getBukkitEntity();
     }
 
-    @Override
     public Location getLocation() {
         return this.player.getBukkitEntity().getLocation();
     }
 
-    @Override
     public ItemStack getItemInHand() {
-        return d(this.itemInHandIndex) ? this.items.get(this.itemInHandIndex) : ItemStack.a;
+        return e(this.itemInHandIndex) ? this.items.get(this.itemInHandIndex) : ItemStack.a;
+    }
+
+    public static int getHotbarSize() {
+        return 9;
     }
 
     private boolean a(ItemStack itemstack, ItemStack itemstack1) {
@@ -315,11 +314,10 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return itemstack.getItem() == itemstack1.getItem() && ItemStack.equals(itemstack, itemstack1);
     }
 
-    @Override
     public int canHold(ItemStack itemstack) {
         int remains = itemstack.getCount();
 
-        for (int i = 0; i < this.items.size(); ++i) {
+        for(int i = 0; i < this.items.size(); ++i) {
             ItemStack itemstack1 = this.getItem(i);
             if (itemstack1.isEmpty()) {
                 return itemstack.getCount();
@@ -337,9 +335,8 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return itemstack.getCount() - remains;
     }
 
-    @Override
     public int getFirstEmptySlotIndex() {
-        for (int i = 0; i < this.items.size(); ++i) {
+        for(int i = 0; i < this.items.size(); ++i) {
             if (this.items.get(i).isEmpty()) {
                 return i;
             }
@@ -348,17 +345,19 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return -1;
     }
 
-    @Override
-    public void c(int i) {
-        this.itemInHandIndex = this.i();
+    public void d(int i) {
+        this.itemInHandIndex = this.l();
         ItemStack itemstack = this.items.get(this.itemInHandIndex);
         this.items.set(this.itemInHandIndex, this.items.get(i));
         this.items.set(i, itemstack);
     }
 
-    @Override
+    public static boolean e(int i) {
+        return i >= 0 && i < 9;
+    }
+
     public int c(ItemStack itemstack) {
-        for (int i = 0; i < this.items.size(); ++i) {
+        for(int i = 0; i < this.items.size(); ++i) {
             ItemStack itemstack1 = this.items.get(i);
             if (!this.items.get(i).isEmpty() && this.b(itemstack, this.items.get(i)) && !this.items.get(i).f() && !itemstack1.hasEnchantments() && !itemstack1.hasName()) {
                 return i;
@@ -368,18 +367,17 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return -1;
     }
 
-    @Override
-    public int i() {
+    public int l() {
         int i;
         int j;
-        for (j = 0; j < 9; ++j) {
+        for(j = 0; j < 9; ++j) {
             i = (this.itemInHandIndex + j) % 9;
             if (this.items.get(i).isEmpty()) {
                 return i;
             }
         }
 
-        for (j = 0; j < 9; ++j) {
+        for(j = 0; j < 9; ++j) {
             i = (this.itemInHandIndex + j) % 9;
             if (!this.items.get(i).hasEnchantments()) {
                 return i;
@@ -389,12 +387,11 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return this.itemInHandIndex;
     }
 
-    @Override
     public int a(Predicate<ItemStack> predicate, int i) {
         int j = 0;
 
         int k;
-        for (k = 0; k < this.getSize(); ++k) {
+        for(k = 0; k < this.getSize(); ++k) {
             ItemStack itemstack = this.getItem(k);
             if (!itemstack.isEmpty() && predicate.test(itemstack)) {
                 int l = i <= 0 ? itemstack.getCount() : Math.min(i - j, itemstack.getCount());
@@ -471,14 +468,13 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         }
     }
 
-    @Override
     public int firstPartial(ItemStack itemstack) {
         if (this.a(this.getItem(this.itemInHandIndex), itemstack)) {
             return this.itemInHandIndex;
         } else if (this.a(this.getItem(40), itemstack)) {
             return 40;
         } else {
-            for (int i = 0; i < this.items.size(); ++i) {
+            for(int i = 0; i < this.items.size(); ++i) {
                 if (this.a(this.items.get(i), itemstack)) {
                     return i;
                 }
@@ -488,10 +484,9 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         }
     }
 
-    @Override
-    public void j() {
+    public void p() {
 
-        for (List<ItemStack> itemStacks : this.f) {
+        for (NonNullList<ItemStack> itemStacks : this.f) {
             for (int i = 0; i < itemStacks.size(); ++i) {
                 if (!itemStacks.get(i).isEmpty()) {
                     itemStacks.get(i).a(this.player.world, this.player, i, this.itemInHandIndex == i);
@@ -501,12 +496,10 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     }
 
-    @Override
     public boolean pickup(ItemStack itemstack) {
         return this.c(-1, itemstack);
     }
 
-    @Override
     public boolean c(int i, ItemStack itemstack) {
         if (itemstack.isEmpty()) {
             return false;
@@ -557,7 +550,6 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         }
     }
 
-    @Override
     public void a(World world, ItemStack itemstack) {
         if (!world.isClientSide) {
             while(!itemstack.isEmpty()) {
@@ -580,29 +572,26 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     }
 
-    @Override
     public void f(ItemStack itemstack) {
 
-        for (List<ItemStack> list : this.f) {
-            for (int i = 0; i < list.size(); ++i) {
-                if (list.get(i) == itemstack) {
-                    list.set(i, ItemStack.a);
+        for (NonNullList<ItemStack> nonnulllist : this.f) {
+            for (int i = 0; i < nonnulllist.size(); ++i) {
+                if (nonnulllist.get(i) == itemstack) {
+                    nonnulllist.set(i, ItemStack.a);
                     break;
                 }
             }
         }
     }
 
-    @Override
     public float a(IBlockData iblockdata) {
         return this.items.get(this.itemInHandIndex).a(iblockdata);
     }
 
-    @Override
     public NBTTagList a(NBTTagList nbttaglist) {
         NBTTagCompound nbttagcompound;
         int i;
-        for (i = 0; i < this.items.size(); ++i) {
+        for(i = 0; i < this.items.size(); ++i) {
             if (!this.items.get(i).isEmpty()) {
                 nbttagcompound = new NBTTagCompound();
                 nbttagcompound.setByte("Slot", (byte) i);
@@ -611,7 +600,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
             }
         }
 
-        for (i = 0; i < this.armor.size(); ++i) {
+        for(i = 0; i < this.armor.size(); ++i) {
             if (!this.armor.get(i).isEmpty()) {
                 nbttagcompound = new NBTTagCompound();
                 nbttagcompound.setByte("Slot", (byte) (i + 100));
@@ -620,7 +609,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
             }
         }
 
-        for (i = 0; i < this.extraSlots.size(); ++i) {
+        for(i = 0; i < this.extraSlots.size(); ++i) {
             if (!this.extraSlots.get(i).isEmpty()) {
                 nbttagcompound = new NBTTagCompound();
                 nbttagcompound.setByte("Slot", (byte) (i + 150));
@@ -632,7 +621,6 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return nbttaglist;
     }
 
-    @Override
     public void b(NBTTagList nbttaglist) {
         this.items.clear();
         this.armor.clear();
@@ -655,12 +643,11 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     }
 
-    @Override
-    public boolean isNotEmpty() {
+    public boolean P_() {
         Iterator iterator = this.items.iterator();
 
         ItemStack itemstack;
-        while (iterator.hasNext()) {
+        while(iterator.hasNext()) {
             itemstack = (ItemStack)iterator.next();
             if (!itemstack.isEmpty()) {
                 return false;
@@ -669,7 +656,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
         iterator = this.armor.iterator();
 
-        while (iterator.hasNext()) {
+        while(iterator.hasNext()) {
             itemstack = (ItemStack)iterator.next();
             if (!itemstack.isEmpty()) {
                 return false;
@@ -678,7 +665,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
         iterator = this.extraSlots.iterator();
 
-        while (iterator.hasNext()) {
+        while(iterator.hasNext()) {
             itemstack = (ItemStack)iterator.next();
             if (!itemstack.isEmpty()) {
                 return false;
@@ -689,17 +676,14 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
     }
 
     @Nullable
-    @Override
     public IChatBaseComponent getCustomName() {
         return null;
     }
 
-    @Override
     public boolean b(IBlockData iblockdata) {
-        return this.getItem(this.itemInHandIndex).canDestroySpecialBlock(iblockdata);
+        return this.getItem(this.itemInHandIndex).b(iblockdata);
     }
 
-    @Override
     public void a(float f) {
         if (f > 0.0F) {
             f /= 4.0F;
@@ -707,19 +691,16 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
                 f = 1.0F;
             }
 
-            for (int i = 0; i < this.armor.size(); ++i) {
-                ItemStack itemstack = this.armor.get(0);
-                int index = i;
+            for (ItemStack itemstack : this.armor) {
                 if (itemstack.getItem() instanceof ItemArmor) {
-                    itemstack.damage((int) f, this.player, (entityhuman) -> entityhuman.c(EnumItemSlot.a(EnumItemSlot.Function.ARMOR, index)));
+                    itemstack.damage((int) f, this.player);
                 }
             }
         }
     }
 
-    @Override
     public void dropContents() {
-        for (List<ItemStack> itemStacks : this.f) {
+        for (NonNullList<ItemStack> itemStacks : this.f) {
             for (int i = 0; i < itemStacks.size(); ++i) {
                 ItemStack itemstack = itemStacks.get(i);
                 if (!itemstack.isEmpty()) {
@@ -730,12 +711,10 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         }
     }
 
-    @Override
     public boolean h(ItemStack itemstack) {
-        return this.f.stream().flatMap(List::stream).anyMatch(itemStack1 -> !itemStack1.isEmpty() && itemStack1.doMaterialsMatch(itemstack));
+        return this.f.stream().flatMap(NonNullList::stream).anyMatch(itemStack1 -> !itemStack1.isEmpty() && itemStack1.doMaterialsMatch(itemstack));
     }
 
-    @Override
     public void a(PlayerInventory playerinventory) {
         for (int i = 0; i < playerinventory.getSize(); ++i) {
             this.setItem(i, playerinventory.getItem(i));
@@ -744,12 +723,10 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         this.itemInHandIndex = playerinventory.itemInHandIndex;
     }
 
-    @Override
     public void clear() {
-        this.f.forEach(List::clear);
+        this.f.forEach(NonNullList::clear);
     }
 
-    @Override
     public void a(AutoRecipeStackManager autorecipestackmanager) {
         for (ItemStack itemstack : this.items) {
             autorecipestackmanager.a(itemstack);

internal/v1_14_R1/pom.xml

@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvinternal</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
   <artifactId>openinvadapter1_14_R1</artifactId>
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.lishid</groupId>
       <artifactId>openinvcommon</artifactId>
-      <version>4.0.8</version>
+      <version>4.0.8-SNAPSHOT</version>
     </dependency>
   </dependencies>
 

internal/v1_14_R1/src/main/java/com/lishid/openinv/internal/v1_14_R1/AnySilentContainer.java

@@ -29,7 +29,6 @@ import net.minecraft.server.v1_14_R1.BlockShulkerBox;
 import net.minecraft.server.v1_14_R1.ChatMessage;
 import net.minecraft.server.v1_14_R1.Container;
 import net.minecraft.server.v1_14_R1.ContainerChest;
-import net.minecraft.server.v1_14_R1.Containers;
 import net.minecraft.server.v1_14_R1.EntityHuman;
 import net.minecraft.server.v1_14_R1.EntityPlayer;
 import net.minecraft.server.v1_14_R1.EnumChatFormat;
@@ -190,32 +189,8 @@ public class AnySilentContainer implements IAnySilentContainer {
             // Anychest ender chest. See net.minecraft.server.BlockEnderChest
             InventoryEnderChest enderChest = player.getEnderChest();
             enderChest.a((TileEntityEnderChest) tile);
-            player.openContainer(new TileInventory((containerCounter, playerInventory, ignored) -> {
-                Containers containers;
-                int rows = enderChest.getSize() / 9;
-                switch (rows) {
-                    case 1:
-                        containers = Containers.GENERIC_9X1;
-                        break;
-                    case 2:
-                        containers = Containers.GENERIC_9X2;
-                        break;
-                    case 3:
-                    default:
-                        containers = Containers.GENERIC_9X3;
-                        break;
-                    case 4:
-                        containers = Containers.GENERIC_9X4;
-                        break;
-                    case 5:
-                        containers = Containers.GENERIC_9X5;
-                        break;
-                    case 6:
-                        containers = Containers.GENERIC_9X6;
-                        break;
-                }
-                return new ContainerChest(containers, containerCounter, playerInventory, enderChest, rows);
-            }, BlockEnderChest.d));
+            player.openContainer(new TileInventory((containerCounter, playerInventory, ignored) ->
+                    ContainerChest.a(containerCounter, playerInventory, enderChest), BlockEnderChest.d));
             bukkitPlayer.incrementStatistic(Statistic.ENDERCHEST_OPENED);
             return true;
         }
@@ -334,8 +309,6 @@ public class AnySilentContainer implements IAnySilentContainer {
         EnumGamemode gamemode = player.playerInteractManager.getGameMode();
         this.forceGameMode(player, EnumGamemode.SPECTATOR);
         player.activeContainer.b(player);
-        player.activeContainer.a(player, false);
-        player.activeContainer.transferTo(player.defaultContainer, player.getBukkitEntity());
         player.activeContainer = player.defaultContainer;
         this.forceGameMode(player, gamemode);
     }

internal/v1_14_R1/src/main/java/com/lishid/openinv/internal/v1_14_R1/PlayerDataManager.java

@@ -100,6 +100,7 @@ public class PlayerDataManager implements IPlayerDataManager {
         String title;
         if (inventory instanceof SpecialEnderChest) {
             HumanEntity owner = (HumanEntity) ((SpecialEnderChest) inventory).getBukkitOwner();
+            //noinspection ConstantConditions // Owner name can be null when loaded under certain conditions.
             title = (owner.getName() != null ? owner.getName() : owner.getUniqueId().toString()) + "'s Ender Chest";
         } else if (inventory instanceof SpecialPlayerInventory) {
             EntityHuman owner = ((PlayerInventory) inventory).player;
@@ -142,9 +143,9 @@ public class PlayerDataManager implements IPlayerDataManager {
                         return Containers.GENERIC_9X3;
                     case 36:
                         return Containers.GENERIC_9X4;
-                    case 41: // PLAYER
                     case 45:
                         return Containers.GENERIC_9X5;
+                    case 41: // PLAYER
                     case 54:
                         return Containers.GENERIC_9X6;
                 }

internal/v1_14_R1/src/main/java/com/lishid/openinv/internal/v1_14_R1/SpecialPlayerInventory.java

@@ -18,6 +18,8 @@ package com.lishid.openinv.internal.v1_14_R1;
 
 import com.google.common.collect.ImmutableList;
 import com.lishid.openinv.internal.ISpecialPlayerInventory;
+import com.lishid.openinv.util.Pair;
+import com.lishid.openinv.util.SingleFieldList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.function.Predicate;
@@ -32,12 +34,12 @@ import net.minecraft.server.v1_14_R1.EntityPlayer;
 import net.minecraft.server.v1_14_R1.EnumItemSlot;
 import net.minecraft.server.v1_14_R1.IBlockData;
 import net.minecraft.server.v1_14_R1.IChatBaseComponent;
+import net.minecraft.server.v1_14_R1.IInventory;
 import net.minecraft.server.v1_14_R1.Item;
 import net.minecraft.server.v1_14_R1.ItemArmor;
 import net.minecraft.server.v1_14_R1.ItemStack;
 import net.minecraft.server.v1_14_R1.NBTTagCompound;
 import net.minecraft.server.v1_14_R1.NBTTagList;
-import net.minecraft.server.v1_14_R1.NonNullList;
 import net.minecraft.server.v1_14_R1.PacketPlayOutSetSlot;
 import net.minecraft.server.v1_14_R1.PlayerInventory;
 import net.minecraft.server.v1_14_R1.ReportedException;
@@ -45,6 +47,7 @@ import net.minecraft.server.v1_14_R1.World;
 import org.bukkit.Location;
 import org.bukkit.craftbukkit.v1_14_R1.entity.CraftHumanEntity;
 import org.bukkit.craftbukkit.v1_14_R1.inventory.CraftInventory;
+import org.bukkit.craftbukkit.v1_14_R1.inventory.CraftInventoryCrafting;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.InventoryHolder;
@@ -56,8 +59,11 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
     private final CraftInventory inventory;
     private boolean playerOnline;
     private EntityHuman player;
-    private NonNullList<ItemStack> items, armor, extraSlots;
-    private List<NonNullList<ItemStack>> f;
+    private List<ItemStack> items, armor, extraSlots, crafting;
+    @SuppressWarnings("MismatchedQueryAndUpdateOfCollection") // Backing field is mutable.
+    // TODO: cursor requires an additional slot listener
+    private final List<ItemStack> cursor = new SingleFieldList<>(this::getCarried, this::setCarried);
+    private List<List<ItemStack>> f;
 
     public SpecialPlayerInventory(final Player bukkitPlayer, final Boolean online) {
         super(PlayerDataManager.getHandle(bukkitPlayer));
@@ -67,7 +73,12 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         this.items = this.player.inventory.items;
         this.armor = this.player.inventory.armor;
         this.extraSlots = this.player.inventory.extraSlots;
-        this.f = ImmutableList.of(this.items, this.armor, this.extraSlots);
+        this.crafting = this.getCrafting().getContents();
+        this.f = ImmutableList.of(this.items, this.armor, this.extraSlots, this.crafting, this.cursor);
+    }
+
+    private IInventory getCrafting() {
+        return ((CraftInventoryCrafting) this.player.defaultContainer.getBukkitView().getTopInventory()).getInventory();
     }
 
     @Override
@@ -79,11 +90,13 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
             for (int i = 0; i < getSize(); ++i) {
                 this.player.inventory.setItem(i, getRawItem(i));
             }
+            // Crafting/cursor are not insertable while player is offline and do not need special treatment.
             this.player.inventory.itemInHandIndex = this.itemInHandIndex;
             this.items = this.player.inventory.items;
             this.armor = this.player.inventory.armor;
             this.extraSlots = this.player.inventory.extraSlots;
-            this.f = ImmutableList.of(this.items, this.armor, this.extraSlots);
+            this.crafting = this.getCrafting().getContents();
+            this.f = ImmutableList.of(this.items, this.armor, this.extraSlots, this.crafting, this.cursor);
             this.playerOnline = true;
         }
     }
@@ -124,8 +137,8 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
     }
 
     private ItemStack getRawItem(int i) {
-        NonNullList<ItemStack> list = null;
-        for (NonNullList<ItemStack> next : this.f) {
+        List<ItemStack> list = null;
+        for (List<ItemStack> next : this.f) {
             if (i < next.size()) {
                 list = next;
                 break;
@@ -171,7 +184,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     @Override
     public int getSize() {
-        return 45;
+        return 54;
     }
 
     @Override
@@ -179,30 +192,35 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return !this.getViewers().isEmpty();
     }
 
-    @Override
-    public void setItem(int i, final ItemStack itemstack) {
-        List<ItemStack> list = this.items;
-
-        if (i >= list.size()) {
+    private Pair<List<ItemStack>, Integer> getLocalizedIndex(int i) {
+        List<ItemStack> localList = null;
+        for (List<ItemStack> list : this.f) {
+            if (i < list.size()) {
+                localList = list;
+                break;
+            }
             i -= list.size();
-            list = this.armor;
-        } else {
+        }
+
+        if (localList == this.armor) {
+            i = this.getReversedArmorSlotNum(i);
+        } else if (localList == this.items) {
             i = this.getReversedItemSlotNum(i);
         }
 
-        if (i >= list.size()) {
-            i -= list.size();
-            list = this.extraSlots;
-        } else if (list == this.armor) {
-            i = this.getReversedArmorSlotNum(i);
-        }
+        return new Pair<>(localList, i);
+    }
 
-        if (i >= list.size()) {
+    @Override
+    public void setItem(int i, final ItemStack itemstack) {
+        Pair<List<ItemStack>, Integer> localizedIndex = getLocalizedIndex(i);
+        if (localizedIndex.getLeft() == null
+                // TODO: should this be a constant instead of comparing to transient slot containers?
+                || !playerOnline && (localizedIndex.getLeft() == crafting || localizedIndex.getLeft() == cursor)) {
             this.player.drop(itemstack, true);
-            return;
+        } else {
+            localizedIndex.getLeft().set(localizedIndex.getRight(), itemstack);
         }
-
-        list.set(i, itemstack);
     }
 
     @Override
@@ -212,51 +230,26 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     @Override
     public ItemStack splitStack(int i, final int j) {
-        List<ItemStack> list = this.items;
+        Pair<List<ItemStack>, Integer> localizedIndex = getLocalizedIndex(i);
 
-        if (i >= list.size()) {
-            i -= list.size();
-            list = this.armor;
-        } else {
-            i = this.getReversedItemSlotNum(i);
-        }
-
-        if (i >= list.size()) {
-            i -= list.size();
-            list = this.extraSlots;
-        } else if (list == this.armor) {
-            i = this.getReversedArmorSlotNum(i);
-        }
-
-        if (i >= list.size()) {
+        if (localizedIndex.getLeft() == null) {
             return ItemStack.a;
         }
 
-        return list.get(i).isEmpty() ? ItemStack.a : ContainerUtil.a(list, i, j);
+        return localizedIndex.getLeft().get(i).isEmpty() ? ItemStack.a : ContainerUtil.a(localizedIndex.getLeft(), localizedIndex.getRight(), j);
     }
 
     @Override
     public ItemStack splitWithoutUpdate(int i) {
-        List<ItemStack> list = this.items;
+        Pair<List<ItemStack>, Integer> localizedIndex = getLocalizedIndex(i);
 
-        if (i >= list.size()) {
-            i -= list.size();
-            list = this.armor;
-        } else {
-            i = this.getReversedItemSlotNum(i);
-        }
-
-        if (i >= list.size()) {
-            i -= list.size();
-            list = this.extraSlots;
-        } else if (list == this.armor) {
-            i = this.getReversedArmorSlotNum(i);
-        }
-
-        if (i >= list.size()) {
+        if (localizedIndex.getLeft() == null) {
             return ItemStack.a;
         }
 
+        List<ItemStack> list = localizedIndex.getLeft();
+        i = localizedIndex.getRight();
+
         if (!list.get(i).isEmpty()) {
             ItemStack itemstack = list.get(i);
 
@@ -280,11 +273,13 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
     @Override
     public void onOpen(CraftHumanEntity who) {
         this.transaction.add(who);
+        this.getCrafting().getViewers().add(who);
     }
 
     @Override
     public void onClose(CraftHumanEntity who) {
         this.transaction.remove(who);
+        this.getCrafting().getViewers().remove(who);
     }
 
     @Override
@@ -326,7 +321,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
             }
 
             if (!this.a(itemstack, itemstack1)) {
-                remains -= (itemstack1.getMaxStackSize() < this.getMaxStackSize() ? itemstack1.getMaxStackSize() : this.getMaxStackSize()) - itemstack1.getCount();
+                remains -= Math.min(itemstack1.getMaxStackSize(), this.getMaxStackSize()) - itemstack1.getCount();
             }
 
             if (remains <= 0) {

internal/v1_15_R1/src/main/java/com/lishid/openinv/internal/v1_15_R1/AnySilentContainer.java

@@ -1,359 +0,0 @@
-/*
- * Copyright (C) 2011-2019 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_15_R1;
-
-import com.lishid.openinv.internal.IAnySilentContainer;
-import java.lang.reflect.Field;
-import net.minecraft.server.v1_15_R1.Block;
-import net.minecraft.server.v1_15_R1.BlockBarrel;
-import net.minecraft.server.v1_15_R1.BlockChest;
-import net.minecraft.server.v1_15_R1.BlockChestTrapped;
-import net.minecraft.server.v1_15_R1.BlockEnderChest;
-import net.minecraft.server.v1_15_R1.BlockPosition;
-import net.minecraft.server.v1_15_R1.BlockPropertyChestType;
-import net.minecraft.server.v1_15_R1.BlockShulkerBox;
-import net.minecraft.server.v1_15_R1.ChatMessage;
-import net.minecraft.server.v1_15_R1.Container;
-import net.minecraft.server.v1_15_R1.ContainerChest;
-import net.minecraft.server.v1_15_R1.Containers;
-import net.minecraft.server.v1_15_R1.EntityHuman;
-import net.minecraft.server.v1_15_R1.EntityPlayer;
-import net.minecraft.server.v1_15_R1.EnumChatFormat;
-import net.minecraft.server.v1_15_R1.EnumGamemode;
-import net.minecraft.server.v1_15_R1.IBlockData;
-import net.minecraft.server.v1_15_R1.IChatBaseComponent;
-import net.minecraft.server.v1_15_R1.ITileInventory;
-import net.minecraft.server.v1_15_R1.InventoryEnderChest;
-import net.minecraft.server.v1_15_R1.InventoryLargeChest;
-import net.minecraft.server.v1_15_R1.PlayerInteractManager;
-import net.minecraft.server.v1_15_R1.PlayerInventory;
-import net.minecraft.server.v1_15_R1.TileEntity;
-import net.minecraft.server.v1_15_R1.TileEntityChest;
-import net.minecraft.server.v1_15_R1.TileEntityEnderChest;
-import net.minecraft.server.v1_15_R1.TileEntityLootable;
-import net.minecraft.server.v1_15_R1.TileInventory;
-import net.minecraft.server.v1_15_R1.World;
-import org.bukkit.Material;
-import org.bukkit.Statistic;
-import org.bukkit.block.Barrel;
-import org.bukkit.block.BlockFace;
-import org.bukkit.block.BlockState;
-import org.bukkit.block.EnderChest;
-import org.bukkit.block.ShulkerBox;
-import org.bukkit.block.data.BlockData;
-import org.bukkit.block.data.Directional;
-import org.bukkit.block.data.type.Chest;
-import org.bukkit.entity.Cat;
-import org.bukkit.entity.Player;
-import org.bukkit.inventory.InventoryView;
-import org.bukkit.util.BoundingBox;
-import org.jetbrains.annotations.NotNull;
-
-public class AnySilentContainer implements IAnySilentContainer {
-
-    private Field playerInteractManagerGamemode;
-
-    public AnySilentContainer() {
-        try {
-            this.playerInteractManagerGamemode = PlayerInteractManager.class.getDeclaredField("gamemode");
-            this.playerInteractManagerGamemode.setAccessible(true);
-        } catch (NoSuchFieldException | SecurityException e) {
-            System.err.println("[OpenInv] Unable to directly write player gamemode! SilentChest will fail.");
-            e.printStackTrace();
-        }
-    }
-
-    @Override
-    public boolean isAnySilentContainer(@NotNull final org.bukkit.block.Block bukkitBlock) {
-        if (bukkitBlock.getType() == Material.ENDER_CHEST) {
-            return true;
-        }
-        BlockState state = bukkitBlock.getState();
-        return state instanceof org.bukkit.block.Chest
-                || state instanceof org.bukkit.block.ShulkerBox
-                || state instanceof org.bukkit.block.Barrel;
-    }
-
-    @Override
-    public boolean isAnyContainerNeeded(@NotNull final Player p, @NotNull final org.bukkit.block.Block block) {
-        BlockState blockState = block.getState();
-
-        // Barrels do not require AnyContainer.
-        if (blockState instanceof Barrel) {
-            return false;
-        }
-
-        // Enderchests require a non-occluding block on top to open.
-        if (blockState instanceof EnderChest) {
-            return block.getRelative(0, 1, 0).getType().isOccluding();
-        }
-
-        // Shulker boxes require 1/2 a block clear in the direction they open.
-        if (blockState instanceof ShulkerBox) {
-            BoundingBox boundingBox = block.getBoundingBox();
-            if (boundingBox.getVolume() > 1) {
-                // Shulker box is already open.
-                return false;
-            }
-
-            BlockData blockData = block.getBlockData();
-            if (!(blockData instanceof Directional)) {
-                // Shouldn't be possible. Just in case, demand AnyChest.
-                return true;
-            }
-
-            Directional directional = (Directional) blockData;
-            BlockFace face = directional.getFacing();
-            boundingBox.shift(face.getDirection());
-            // Return whether or not bounding boxes overlap.
-            return block.getRelative(face, 1).getBoundingBox().overlaps(boundingBox);
-        }
-
-        if (!(blockState instanceof org.bukkit.block.Chest)) {
-            return false;
-        }
-
-        if (isBlockedChest(block)) {
-            return true;
-        }
-
-        BlockData blockData = block.getBlockData();
-        if (!(blockData instanceof Chest) || ((Chest) blockData).getType() == Chest.Type.SINGLE) {
-            return false;
-        }
-
-        Chest chest = (Chest) blockData;
-        int ordinal = (chest.getFacing().ordinal() + 4 + (chest.getType() == Chest.Type.RIGHT ? -1 : 1)) % 4;
-        BlockFace relativeFace = BlockFace.values()[ordinal];
-        org.bukkit.block.Block relative = block.getRelative(relativeFace);
-
-        if (relative.getType() != block.getType()) {
-            return false;
-        }
-
-        BlockData relativeData = relative.getBlockData();
-        if (!(relativeData instanceof Chest)) {
-            return false;
-        }
-        
-        Chest relativeChest = (Chest) relativeData;
-        if (relativeChest.getFacing() != chest.getFacing()
-                || relativeChest.getType() != (chest.getType() == Chest.Type.RIGHT ? Chest.Type.LEFT : Chest.Type.RIGHT)) {
-            return false;
-        }
-
-        return isBlockedChest(relative);
-    }
-
-    private boolean isBlockedChest(org.bukkit.block.Block block) {
-        org.bukkit.block.Block relative = block.getRelative(0, 1, 0);
-        return relative.getType().isOccluding()
-                || block.getWorld().getNearbyEntities(BoundingBox.of(relative), entity -> entity instanceof Cat).size() > 0;
-    }
-
-    @Override
-    public boolean activateContainer(@NotNull final Player bukkitPlayer, final boolean silentchest,
-                                     @NotNull final org.bukkit.block.Block bukkitBlock) {
-
-        // Silent ender chest is API-only
-        if (silentchest && bukkitBlock.getType() == Material.ENDER_CHEST) {
-            bukkitPlayer.openInventory(bukkitPlayer.getEnderChest());
-            bukkitPlayer.incrementStatistic(Statistic.ENDERCHEST_OPENED);
-            return true;
-        }
-
-        EntityPlayer player = PlayerDataManager.getHandle(bukkitPlayer);
-
-        final World world = player.world;
-        final BlockPosition blockPosition = new BlockPosition(bukkitBlock.getX(), bukkitBlock.getY(), bukkitBlock.getZ());
-        final TileEntity tile = world.getTileEntity(blockPosition);
-
-        if (tile == null) {
-            return false;
-        }
-
-        if (tile instanceof TileEntityEnderChest) {
-            // Anychest ender chest. See net.minecraft.server.BlockEnderChest
-            InventoryEnderChest enderChest = player.getEnderChest();
-            enderChest.a((TileEntityEnderChest) tile);
-            player.openContainer(new TileInventory((containerCounter, playerInventory, ignored) -> {
-                Containers containers;
-                int rows = enderChest.getSize() / 9;
-                switch (rows) {
-                    case 1:
-                        containers = Containers.GENERIC_9X1;
-                        break;
-                    case 2:
-                        containers = Containers.GENERIC_9X2;
-                        break;
-                    case 3:
-                    default:
-                        containers = Containers.GENERIC_9X3;
-                        break;
-                    case 4:
-                        containers = Containers.GENERIC_9X4;
-                        break;
-                    case 5:
-                        containers = Containers.GENERIC_9X5;
-                        break;
-                    case 6:
-                        containers = Containers.GENERIC_9X6;
-                        break;
-                }
-                return new ContainerChest(containers, containerCounter, playerInventory, enderChest, rows);
-            }, BlockEnderChest.e));
-            bukkitPlayer.incrementStatistic(Statistic.ENDERCHEST_OPENED);
-            return true;
-        }
-
-        if (!(tile instanceof ITileInventory)) {
-            return false;
-        }
-
-        ITileInventory tileInventory = (ITileInventory) tile;
-        IBlockData blockData = world.getType(blockPosition);
-        Block block = blockData.getBlock();
-
-        if (block instanceof BlockChest) {
-
-            BlockPropertyChestType chestType = blockData.get(BlockChest.c);
-
-            if (chestType != BlockPropertyChestType.SINGLE) {
-
-                BlockPosition adjacentBlockPosition = blockPosition.shift(BlockChest.i(blockData));
-                IBlockData adjacentBlockData = world.getType(adjacentBlockPosition);
-
-                if (adjacentBlockData.getBlock() == block) {
-
-                    BlockPropertyChestType adjacentChestType = adjacentBlockData.get(BlockChest.c);
-
-                    if (adjacentChestType != BlockPropertyChestType.SINGLE && chestType != adjacentChestType
-                            && adjacentBlockData.get(BlockChest.FACING) == blockData.get(BlockChest.FACING)) {
-
-                        TileEntity adjacentTile = world.getTileEntity(adjacentBlockPosition);
-
-                        if (adjacentTile instanceof TileEntityChest && tileInventory instanceof  TileEntityChest) {
-                            TileEntityChest rightChest = chestType == BlockPropertyChestType.RIGHT ? ((TileEntityChest) tileInventory) : (TileEntityChest) adjacentTile;
-                            TileEntityChest leftChest = chestType == BlockPropertyChestType.RIGHT ? (TileEntityChest) adjacentTile : ((TileEntityChest) tileInventory);
-
-                            if (rightChest.lootTable != null || leftChest.lootTable != null) {
-                                player.a(new ChatMessage("Loot not generated! Please disable /silentcontainer.").a(EnumChatFormat.RED), true);
-                                return false;
-                            }
-
-                            tileInventory = new ITileInventory() {
-                                public Container createMenu(int containerCounter, PlayerInventory playerInventory, EntityHuman entityHuman) {
-                                    leftChest.d(playerInventory.player);
-                                    rightChest.d(playerInventory.player);
-                                    return ContainerChest.b(containerCounter, playerInventory, new InventoryLargeChest(rightChest, leftChest));
-                                }
-
-                                public IChatBaseComponent getScoreboardDisplayName() {
-                                    return new ChatMessage("container.chestDouble");
-                                }
-                            };
-                        }
-                    }
-                }
-            }
-
-            if (block instanceof BlockChestTrapped) {
-                bukkitPlayer.incrementStatistic(Statistic.TRAPPED_CHEST_TRIGGERED);
-            } else {
-                bukkitPlayer.incrementStatistic(Statistic.CHEST_OPENED);
-            }
-        }
-
-        if (block instanceof BlockShulkerBox) {
-            bukkitPlayer.incrementStatistic(Statistic.SHULKER_BOX_OPENED);
-        }
-
-        if (block instanceof BlockBarrel) {
-            bukkitPlayer.incrementStatistic(Statistic.OPEN_BARREL);
-        }
-
-        // AnyChest only - SilentChest not active, container unsupported, or unnecessary.
-        if (!silentchest || player.playerInteractManager.getGameMode() == EnumGamemode.SPECTATOR) {
-            player.openContainer(tileInventory);
-            return true;
-        }
-
-        // SilentChest requires access to setting players' gamemode directly.
-        if (this.playerInteractManagerGamemode == null) {
-            return false;
-        }
-
-        if (tile instanceof TileEntityLootable) {
-            TileEntityLootable lootable = (TileEntityLootable) tile;
-            if (lootable.lootTable != null) {
-                player.a(new ChatMessage("Loot not generated! Please disable /silentcontainer.").a(EnumChatFormat.RED), true);
-                return false;
-            }
-        }
-
-        EnumGamemode gamemode = player.playerInteractManager.getGameMode();
-        this.forceGameMode(player, EnumGamemode.SPECTATOR);
-        player.openContainer(tileInventory);
-        this.forceGameMode(player, gamemode);
-        return true;
-    }
-
-    @Override
-    public void deactivateContainer(@NotNull final Player bukkitPlayer) {
-        if (this.playerInteractManagerGamemode == null) {
-            return;
-        }
-
-        InventoryView view = bukkitPlayer.getOpenInventory();
-        switch (view.getType()) {
-            case CHEST:
-            case ENDER_CHEST:
-            case SHULKER_BOX:
-            case BARREL:
-            break;
-        default:
-            return;
-        }
-
-        EntityPlayer player = PlayerDataManager.getHandle(bukkitPlayer);
-
-        EnumGamemode gamemode = player.playerInteractManager.getGameMode();
-        this.forceGameMode(player, EnumGamemode.SPECTATOR);
-        player.activeContainer.b(player);
-        player.activeContainer.a(player, false);
-        player.activeContainer.transferTo(player.defaultContainer, player.getBukkitEntity());
-        player.activeContainer = player.defaultContainer;
-        this.forceGameMode(player, gamemode);
-    }
-
-    private void forceGameMode(final EntityPlayer player, final EnumGamemode gameMode) {
-        if (this.playerInteractManagerGamemode == null) {
-            // No need to warn repeatedly, error on startup and lack of function should be enough.
-            return;
-        }
-        try {
-            if (!this.playerInteractManagerGamemode.isAccessible()) {
-                // Just in case, ensure accessible.
-                this.playerInteractManagerGamemode.setAccessible(true);
-            }
-            this.playerInteractManagerGamemode.set(player.playerInteractManager, gameMode);
-        } catch (IllegalArgumentException | IllegalAccessException e) {
-            e.printStackTrace();
-        }
-    }
-
-}

internal/v1_15_R1/src/main/java/com/lishid/openinv/internal/v1_15_R1/PlayerDataManager.java

@@ -1,170 +0,0 @@
-/*
- * Copyright (C) 2011-2019 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_15_R1;
-
-import com.lishid.openinv.internal.IPlayerDataManager;
-import com.lishid.openinv.internal.ISpecialInventory;
-import com.mojang.authlib.GameProfile;
-import net.minecraft.server.v1_15_R1.ChatComponentText;
-import net.minecraft.server.v1_15_R1.Container;
-import net.minecraft.server.v1_15_R1.Containers;
-import net.minecraft.server.v1_15_R1.DimensionManager;
-import net.minecraft.server.v1_15_R1.EntityHuman;
-import net.minecraft.server.v1_15_R1.EntityPlayer;
-import net.minecraft.server.v1_15_R1.MinecraftServer;
-import net.minecraft.server.v1_15_R1.PacketPlayOutOpenWindow;
-import net.minecraft.server.v1_15_R1.PlayerInteractManager;
-import net.minecraft.server.v1_15_R1.PlayerInventory;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
-import org.bukkit.Server;
-import org.bukkit.craftbukkit.v1_15_R1.CraftServer;
-import org.bukkit.craftbukkit.v1_15_R1.entity.CraftPlayer;
-import org.bukkit.craftbukkit.v1_15_R1.event.CraftEventFactory;
-import org.bukkit.craftbukkit.v1_15_R1.inventory.CraftContainer;
-import org.bukkit.entity.HumanEntity;
-import org.bukkit.entity.Player;
-import org.bukkit.event.inventory.InventoryType;
-import org.bukkit.inventory.Inventory;
-import org.bukkit.inventory.InventoryView;
-import org.jetbrains.annotations.NotNull;
-
-public class PlayerDataManager implements IPlayerDataManager {
-
-    public static EntityPlayer getHandle(final Player player) {
-        if (player instanceof CraftPlayer) {
-            return ((CraftPlayer) player).getHandle();
-        }
-
-        Server server = player.getServer();
-        EntityPlayer nmsPlayer = null;
-
-        if (server instanceof CraftServer) {
-            nmsPlayer = ((CraftServer) server).getHandle().getPlayer(player.getName());
-        }
-
-        if (nmsPlayer == null) {
-            // Could use reflection to examine fields, but it's honestly not worth the bother.
-            throw new RuntimeException("Unable to fetch EntityPlayer from provided Player implementation");
-        }
-
-        return nmsPlayer;
-    }
-
-    @Override
-    public Player loadPlayer(@NotNull final OfflinePlayer offline) {
-        // Ensure player has data
-        if (!offline.hasPlayedBefore()) {
-            return null;
-        }
-
-        // Create a profile and entity to load the player data
-        GameProfile profile = new GameProfile(offline.getUniqueId(), offline.getName());
-        MinecraftServer server = ((CraftServer) Bukkit.getServer()).getServer();
-        EntityPlayer entity = new EntityPlayer(server, server.getWorldServer(DimensionManager.OVERWORLD), profile,
-                new PlayerInteractManager(server.getWorldServer(DimensionManager.OVERWORLD)));
-
-        // Get the bukkit entity
-        Player target = entity.getBukkitEntity();
-        if (target != null) {
-            // Load data
-            target.loadData();
-        }
-        // Return the entity
-        return target;
-    }
-
-    @Override
-    public InventoryView openInventory(@NotNull Player player, @NotNull ISpecialInventory inventory) {
-
-        EntityPlayer nmsPlayer = getHandle(player);
-
-        if (nmsPlayer == null || nmsPlayer.playerConnection == null) {
-            return null;
-        }
-
-        String title;
-        if (inventory instanceof SpecialEnderChest) {
-            HumanEntity owner = (HumanEntity) ((SpecialEnderChest) inventory).getBukkitOwner();
-            title = (owner.getName() != null ? owner.getName() : owner.getUniqueId().toString()) + "'s Ender Chest";
-        } else if (inventory instanceof SpecialPlayerInventory) {
-            EntityHuman owner = ((PlayerInventory) inventory).player;
-            title = (owner.getName() != null ? owner.getName() : owner.getUniqueID().toString()) + "'s Inventory";
-        } else {
-            return player.openInventory(inventory.getBukkitInventory());
-        }
-
-        Container container = new CraftContainer(new InventoryView() {
-            @Override
-            public @NotNull Inventory getTopInventory() {
-                return inventory.getBukkitInventory();
-            }
-            @Override
-            public @NotNull Inventory getBottomInventory() {
-                return player.getInventory();
-            }
-            @Override
-            public @NotNull HumanEntity getPlayer() {
-                return player;
-            }
-            @Override
-            public @NotNull InventoryType getType() {
-                return inventory.getBukkitInventory().getType();
-            }
-            @Override
-            public @NotNull String getTitle() {
-                return title;
-            }
-        }, nmsPlayer, nmsPlayer.nextContainerCounter()) {
-            @Override
-            public Containers<?> getType() {
-                switch (inventory.getBukkitInventory().getSize()) {
-                    case 9:
-                        return Containers.GENERIC_9X1;
-                    case 18:
-                        return Containers.GENERIC_9X2;
-                    case 27:
-                    default:
-                        return Containers.GENERIC_9X3;
-                    case 36:
-                        return Containers.GENERIC_9X4;
-                    case 41: // PLAYER
-                    case 45:
-                        return Containers.GENERIC_9X5;
-                    case 54:
-                        return Containers.GENERIC_9X6;
-                }
-            }
-        };
-
-        container.setTitle(new ChatComponentText(title));
-        container = CraftEventFactory.callInventoryOpenEvent(nmsPlayer, container);
-
-        if (container == null) {
-            return null;
-        }
-
-        nmsPlayer.playerConnection.sendPacket(new PacketPlayOutOpenWindow(container.windowId, container.getType(),
-                new ChatComponentText(container.getBukkitView().getTitle())));
-        nmsPlayer.activeContainer = container;
-        container.addSlotListener(nmsPlayer);
-
-        return container.getBukkitView();
-
-    }
-
-}

internal/v1_8_R3/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvinternal</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
   <artifactId>openinvadapter1_8_R3</artifactId>
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>com.lishid</groupId>
       <artifactId>openinvcommon</artifactId>
-      <version>4.0.8</version>
+      <version>4.0.8-SNAPSHOT</version>
     </dependency>
   </dependencies>
 

internal/v1_8_R3/src/main/java/com/lishid/openinv/internal/v1_8_R3/AnySilentContainer.java

@@ -225,8 +225,6 @@ public class AnySilentContainer implements IAnySilentContainer {
         EnumGamemode gamemode = player.playerInteractManager.getGameMode();
         this.forceGameMode(player, EnumGamemode.SPECTATOR);
         player.activeContainer.b(player);
-        player.activeContainer.a(player, false);
-        player.activeContainer.transferTo(player.defaultContainer, player.getBukkitEntity());
         player.activeContainer = player.defaultContainer;
         this.forceGameMode(player, gamemode);
     }

plugin/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.lishid</groupId>
     <artifactId>openinvparent</artifactId>
-    <version>4.0.8</version>
+    <version>4.0.8-SNAPSHOT</version>
   </parent>
 
   <artifactId>openinvplugincore</artifactId>
@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.lishid</groupId>
       <artifactId>openinvcommon</artifactId>
-      <version>4.0.8</version>
+      <version>4.0.8-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.spigotmc</groupId>

pom.xml

@@ -21,7 +21,7 @@
   <artifactId>openinvparent</artifactId>
   <name>OpenInvParent</name>
   <url>http://dev.bukkit.org/bukkit-plugins/openinv/</url>
-  <version>4.0.8</version>
+  <version>4.0.8-SNAPSHOT</version>
 
   <packaging>pom</packaging>