Merge branch 'master' into feature/sounds

bootstrap/bukkit/pom.xml

@@ -33,6 +33,18 @@
             </resource>
         </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.2.0</version>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Main-Class>org.geysermc.platform.bukkit.GeyserBukkitMain</Main-Class>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
@@ -58,14 +70,6 @@
                     </execution>
                 </executions>
                 <configuration>
-                    <filters>
-                        <filter>
-                            <artifact>*:*</artifact>
-                            <excludes>
-                                <exclude>META-INF/*</exclude>
-                            </excludes>
-                        </filter>
-                    </filters>
                     <artifactSet>
                         <excludes>
                             <exclude>com.google.code.gson:*</exclude>

bootstrap/bukkit/src/main/java/org/geysermc/platform/bukkit/GeyserBukkitMain.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.platform.bukkit;
+
+import org.geysermc.common.main.IGeyserMain;
+
+public class GeyserBukkitMain extends IGeyserMain {
+
+    public static void main(String[] args) {
+        new GeyserBukkitMain().displayMessage();
+    }
+
+    public String getPluginType() {
+        return "Spigot or Paper (recommended)";
+    }
+
+    public String getPluginFolder() {
+        return "plugins";
+    }
+}

bootstrap/bungeecord/pom.xml

@@ -33,6 +33,18 @@
             </resource>
         </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.2.0</version>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Main-Class>org.geysermc.platform.bungeecord.GeyserBungeeMain</Main-Class>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
@@ -58,14 +70,6 @@
                     </execution>
                 </executions>
                 <configuration>
-                    <filters>
-                        <filter>
-                            <artifact>*:*</artifact>
-                            <excludes>
-                                <exclude>META-INF/*</exclude>
-                            </excludes>
-                        </filter>
-                    </filters>
                     <artifactSet>
                         <excludes>
                             <exclude>com.google.code.gson:*</exclude>

bootstrap/bungeecord/src/main/java/org/geysermc/platform/bungeecord/GeyserBungeeMain.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.platform.bungeecord;
+
+import org.geysermc.common.main.IGeyserMain;
+
+public class GeyserBungeeMain extends IGeyserMain {
+
+    public static void main(String[] args) {
+        new GeyserBungeeMain().displayMessage();
+    }
+
+    public String getPluginType() {
+        return "BungeeCord";
+    }
+
+    public String getPluginFolder() {
+        return "plugins";
+    }
+}

bootstrap/sponge/pom.xml

@@ -33,6 +33,18 @@
             </resource>
         </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.2.0</version>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Main-Class>org.geysermc.platform.sponge.GeyserSpongeMain</Main-Class>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
@@ -62,14 +74,6 @@
                     </execution>
                 </executions>
                 <configuration>
-                    <filters>
-                        <filter>
-                            <artifact>*:*</artifact>
-                            <excludes>
-                                <exclude>META-INF/*</exclude>
-                            </excludes>
-                        </filter>
-                    </filters>
                     <artifactSet>
                         <excludes>
                             <exclude>com.google.code.gson:*</exclude>

bootstrap/sponge/src/main/java/org/geysermc/platform/sponge/GeyserSpongeMain.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.platform.sponge;
+
+import org.geysermc.common.main.IGeyserMain;
+
+public class GeyserSpongeMain extends IGeyserMain {
+
+    public static void main(String[] args) {
+        new GeyserSpongeMain().displayMessage();
+    }
+
+    public String getPluginType() {
+        return "Sponge";
+    }
+
+    public String getPluginFolder() {
+        return "mods";
+    }
+}

bootstrap/velocity/pom.xml

@@ -33,6 +33,18 @@
             </resource>
         </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.2.0</version>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Main-Class>org.geysermc.platform.velocity.GeyserVelocityMain</Main-Class>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
@@ -54,14 +66,6 @@
                     </execution>
                 </executions>
                 <configuration>
-                    <filters>
-                        <filter>
-                            <artifact>*:*</artifact>
-                            <excludes>
-                                <exclude>META-INF/*</exclude>
-                            </excludes>
-                        </filter>
-                    </filters>
                     <artifactSet>
                         <excludes>
                             <exclude>com.google.code.gson:*</exclude>

bootstrap/velocity/src/main/java/org/geysermc/platform/velocity/GeyserVelocityMain.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.platform.velocity;
+
+import org.geysermc.common.main.IGeyserMain;
+
+public class GeyserVelocityMain extends IGeyserMain {
+
+    public static void main(String[] args) {
+        new GeyserVelocityMain().displayMessage();
+    }
+
+    public String getPluginType() {
+        return "Velocity";
+    }
+
+    public String getPluginFolder() {
+        return "plugins";
+    }
+}

common/src/main/java/org/geysermc/common/main/IGeyserMain.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.common.main;
+
+import javax.swing.*;
+import java.io.InputStream;
+import java.util.Scanner;
+
+public class IGeyserMain {
+
+    public void displayMessage() {
+        String message = createMessage();
+
+        if (System.console() == null) {
+            JOptionPane.showMessageDialog(null, message, "GeyserMC Plugin: " + this.getPluginType(), JOptionPane.ERROR_MESSAGE);
+        }
+
+        printMessage(message);
+    }
+
+    private String createMessage() {
+        String message = "";
+
+        InputStream helpStream = IGeyserMain.class.getClassLoader().getResourceAsStream("help.txt");
+        Scanner help = new Scanner(helpStream).useDelimiter("\\Z");
+        String line = "";
+        while (help.hasNext()) {
+            line = help.next();
+
+            line = line.replace("${plugin_type}", this.getPluginType());
+            line = line.replace("${plugin_folder}", this.getPluginFolder());
+
+            message += line + "\n";
+        }
+
+        return message;
+    }
+
+    private void printMessage(String message) {
+        System.out.print(message);
+    }
+
+    public String getPluginType() {
+        return "unknown";
+    }
+
+    public String getPluginFolder() {
+        return "unknown";
+    }
+}

common/src/main/resources/help.txt

@@ -0,0 +1,18 @@
+
+--------------------------------------------------------------------------------
+
+  Oops! You attempted to run a plugin version of Geyser directly!
+
+  This jar file is a plugin for ${plugin_type}. You can run this file as a
+  plugin by dropping the jar file into the "${plugin_folder}" directory.
+
+  There is also a standalone version available that doesn't need to
+  be installed as a plugin, you can find it on our build server:
+
+    http://ci.geysermc.org/
+
+  If you need more help, you should check out our discord:
+
+    http://discord.geysermc.org/
+
+--------------------------------------------------------------------------------

connector/src/main/java/org/geysermc/connector/entity/ItemFrameEntity.java

@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.connector.entity;
+
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.EntityMetadata;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
+import com.github.steveice10.mc.protocol.data.game.entity.type.object.HangingDirection;
+import com.nukkitx.math.vector.Vector3f;
+import com.nukkitx.math.vector.Vector3i;
+import com.nukkitx.nbt.CompoundTagBuilder;
+import com.nukkitx.nbt.tag.CompoundTag;
+import com.nukkitx.protocol.bedrock.data.ItemData;
+import com.nukkitx.protocol.bedrock.packet.BlockEntityDataPacket;
+import com.nukkitx.protocol.bedrock.packet.StartGamePacket;
+import com.nukkitx.protocol.bedrock.packet.UpdateBlockPacket;
+import org.geysermc.connector.entity.type.EntityType;
+import org.geysermc.connector.network.session.GeyserSession;
+import org.geysermc.connector.network.translators.Translators;
+import org.geysermc.connector.network.translators.item.ItemEntry;
+import org.geysermc.connector.network.translators.world.block.BlockTranslator;
+import org.geysermc.connector.utils.Toolbox;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Item frames are an entity in Java but a block entity in Bedrock.
+ */
+public class ItemFrameEntity extends Entity {
+
+    /**
+     * Used for getting the Bedrock block position.
+     * Blocks deal with integers whereas entities deal with floats.
+     */
+    private final Vector3i bedrockPosition;
+    /**
+     * Specific block 'state' we are emulating in Bedrock.
+     */
+    private final int bedrockRuntimeId;
+    /**
+     * Rotation of item in frame.
+     */
+    private float rotation = 0.0f;
+    /**
+     * Cached item frame's Bedrock compound tag.
+     */
+    private CompoundTag cachedTag;
+
+    public ItemFrameEntity(long entityId, long geyserId, EntityType entityType, Vector3f position, Vector3f motion, Vector3f rotation, HangingDirection direction) {
+        super(entityId, geyserId, entityType, position, motion, rotation);
+        CompoundTagBuilder builder = CompoundTag.builder();
+        builder.tag(CompoundTag.builder()
+                .stringTag("name", "minecraft:frame")
+                .intTag("version", BlockTranslator.getBlockStateVersion())
+                .tag(CompoundTag.builder()
+                        .intTag("facing_direction", direction.ordinal())
+                        .byteTag("item_frame_map_bit", (byte) 0)
+                        .build("states"))
+                .build("block"));
+        builder.shortTag("id", (short) 199);
+        bedrockRuntimeId = BlockTranslator.getItemFrame(builder.buildRootTag());
+        bedrockPosition = Vector3i.from(position.getFloorX(), position.getFloorY(), position.getFloorZ());
+    }
+
+    @Override
+    public void spawnEntity(GeyserSession session) {
+        session.getItemFrameCache().put(bedrockPosition, entityId);
+        updateBlock(session);
+        valid = true;
+        session.getConnector().getLogger().debug("Spawned item frame at location " + bedrockPosition + " with java id " + entityId);
+    }
+
+    @Override
+    public void updateBedrockMetadata(EntityMetadata entityMetadata, GeyserSession session) {
+        if (entityMetadata.getId() == 7 && entityMetadata.getValue() != null) {
+            ItemData itemData = Translators.getItemTranslator().translateToBedrock(session, (ItemStack) entityMetadata.getValue());
+            ItemEntry itemEntry = Translators.getItemTranslator().getItem((ItemStack) entityMetadata.getValue());
+            CompoundTagBuilder builder = CompoundTag.builder();
+
+            String blockName = "";
+            for (StartGamePacket.ItemEntry startGamePacketItemEntry: Toolbox.ITEMS) {
+                if (startGamePacketItemEntry.getId() == (short) itemEntry.getBedrockId()) {
+                    blockName = startGamePacketItemEntry.getIdentifier();
+                    break;
+                }
+            }
+
+            builder.byteTag("Count", (byte) itemData.getCount());
+            if (itemData.getTag() != null) {
+                builder.tag(itemData.getTag().toBuilder().build("tag"));
+            }
+            builder.shortTag("Damage", itemData.getDamage());
+            builder.stringTag("Name", blockName);
+            CompoundTagBuilder tag = getDefaultTag().toBuilder();
+            tag.tag(builder.build("Item"));
+            tag.floatTag("ItemDropChance", 1.0f);
+            tag.floatTag("ItemRotation", rotation);
+            cachedTag = tag.buildRootTag();
+            updateBlock(session);
+        }
+        else if (entityMetadata.getId() == 7 && entityMetadata.getValue() == null && cachedTag != null) {
+            cachedTag = getDefaultTag();
+            updateBlock(session);
+        }
+        else if (entityMetadata.getId() == 8) {
+            rotation = ((int) entityMetadata.getValue()) * 45;
+            if (cachedTag == null) {
+                updateBlock(session);
+                return;
+            }
+            CompoundTagBuilder builder = cachedTag.toBuilder();
+            builder.floatTag("ItemRotation", rotation);
+            cachedTag = builder.buildRootTag();
+            updateBlock(session);
+        }
+        else {
+            updateBlock(session);
+        }
+    }
+
+    @Override
+    public boolean despawnEntity(GeyserSession session) {
+        UpdateBlockPacket updateBlockPacket = new UpdateBlockPacket();
+        updateBlockPacket.setDataLayer(0);
+        updateBlockPacket.setBlockPosition(bedrockPosition);
+        updateBlockPacket.setRuntimeId(0);
+        updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.PRIORITY);
+        updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NONE);
+        updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NEIGHBORS);
+        session.getUpstream().sendPacket(updateBlockPacket);
+        session.getItemFrameCache().remove(position, entityId);
+        valid = false;
+        return true;
+    }
+
+    private CompoundTag getDefaultTag() {
+        CompoundTagBuilder builder = CompoundTag.builder();
+        builder.intTag("x", bedrockPosition.getX());
+        builder.intTag("y", bedrockPosition.getY());
+        builder.intTag("z", bedrockPosition.getZ());
+        builder.byteTag("isMovable", (byte) 1);
+        builder.stringTag("id", "ItemFrame");
+        return builder.buildRootTag();
+    }
+
+    /**
+     * Updates the item frame as a block
+     * @param session GeyserSession.
+     */
+    public void updateBlock(GeyserSession session) {
+        // Delay is required, or else loading in frames on chunk load is sketchy at best
+        session.getConnector().getGeneralThreadPool().schedule(() -> {
+            UpdateBlockPacket updateBlockPacket = new UpdateBlockPacket();
+            updateBlockPacket.setDataLayer(0);
+            updateBlockPacket.setBlockPosition(bedrockPosition);
+            updateBlockPacket.setRuntimeId(bedrockRuntimeId);
+            updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.PRIORITY);
+            updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NONE);
+            updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NEIGHBORS);
+            session.getUpstream().sendPacket(updateBlockPacket);
+
+            BlockEntityDataPacket blockEntityDataPacket = new BlockEntityDataPacket();
+            blockEntityDataPacket.setBlockPosition(bedrockPosition);
+            if (cachedTag != null) {
+                blockEntityDataPacket.setData(cachedTag);
+            } else {
+                blockEntityDataPacket.setData(getDefaultTag());
+            }
+
+            session.getUpstream().sendPacket(blockEntityDataPacket);
+        }, 500, TimeUnit.MILLISECONDS);
+    }
+
+    /**
+     * Finds the Java entity ID of an item frame from its Bedrock position.
+     * @param position position of item frame in Bedrock.
+     * @param session GeyserSession.
+     * @return Java entity ID or -1 if not found.
+     */
+    public static long getItemFrameEntityId(GeyserSession session, Vector3i position) {
+        return session.getItemFrameCache().getOrDefault(position, -1);
+    }
+
+    /**
+     * Determines if the position contains an item frame.
+     * Does largely the same thing as getItemFrameEntityId, but for speed purposes is implemented separately,
+     * since every block destroy packet has to check for an item frame.
+     * @param position position of block.
+     * @param session GeyserSession.
+     * @return true if position contains item frame, false if not.
+     */
+    public static boolean positionContainsItemFrame(GeyserSession session, Vector3i position) {
+        return session.getItemFrameCache().containsKey(position);
+    }
+
+    /**
+     * Force-remove from the position-to-ID map so it doesn't cause conflicts.
+     * @param session GeyserSession.
+     * @param position position of the removed item frame.
+     */
+    public static void removePosition(GeyserSession session, Vector3i position) {
+        session.getItemFrameCache().remove(position);
+    }
+}

connector/src/main/java/org/geysermc/connector/entity/type/EntityType.java

@@ -147,7 +147,12 @@ public enum EntityType {
     COD(AbstractFishEntity.class, 112, 0.25f, 0.5f),
     PANDA(PandaEntity.class, 113, 1.25f, 1.125f, 1.825f),
     FOX(FoxEntity.class, 121, 0.5f, 1.25f),
-    BEE(BeeEntity.class, 122, 0.6f, 0.6f);
+    BEE(BeeEntity.class, 122, 0.6f, 0.6f),
+
+    /**
+     * Item frames are handled differently since they are a block in Bedrock.
+     */
+    ITEM_FRAME(ItemFrameEntity.class, 0, 0, 0);
 
     private Class<? extends Entity> entityClass;
     private final int type;

connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java

@@ -50,6 +50,8 @@ import com.nukkitx.protocol.bedrock.data.GamePublishSetting;
 import com.nukkitx.protocol.bedrock.data.GameRuleData;
 import com.nukkitx.protocol.bedrock.data.PlayerPermission;
 import com.nukkitx.protocol.bedrock.packet.*;
+import it.unimi.dsi.fastutil.objects.Object2LongMap;
+import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
 import lombok.Getter;
 import lombok.Setter;
 import org.geysermc.common.AuthType;
@@ -101,6 +103,12 @@ public class GeyserSession implements CommandSender {
     @Setter
     private TeleportCache teleportCache;
 
+    /**
+     * A map of Vector3i positions to Java entity IDs.
+     * Used for translating Bedrock block actions to Java entity actions.
+     */
+    private final Object2LongMap<Vector3i> itemFrameCache = new Object2LongOpenHashMap<>();
+
     private DataCache<Packet> javaPacketCache;
 
     @Setter

connector/src/main/java/org/geysermc/connector/network/translators/Translators.java

@@ -32,6 +32,7 @@ import java.util.Map;
 
 import com.github.steveice10.mc.protocol.data.game.window.WindowType;
 import com.nukkitx.protocol.bedrock.data.ContainerType;
+import it.unimi.dsi.fastutil.objects.ObjectArrayList;
 import org.geysermc.connector.GeyserConnector;
 import org.geysermc.connector.network.translators.world.block.BlockTranslator;
 import org.geysermc.connector.network.translators.world.block.entity.*;
@@ -61,6 +62,9 @@ public class Translators {
     @Getter
     private static Map<String, BlockEntityTranslator> blockEntityTranslators = new HashMap<>();
 
+    @Getter
+    private static ObjectArrayList<RequiresBlockState> requiresBlockStateMap = new ObjectArrayList<>();
+
     private static final CompoundTag EMPTY_TAG = CompoundTagBuilder.builder().buildRootTag();
     public static final byte[] EMPTY_LEVEL_CHUNK_DATA;
 
@@ -129,6 +133,18 @@ public class Translators {
                 GeyserConnector.getInstance().getLogger().error("Could not instantiate annotated block entity " + clazz.getCanonicalName() + ".");
             }
         }
+
+        for (Class<?> clazz : ref.getSubTypesOf(RequiresBlockState.class)) {
+
+            GeyserConnector.getInstance().getLogger().debug("Found block entity that requires block state: " + clazz.getCanonicalName());
+
+            try {
+                requiresBlockStateMap.add((RequiresBlockState) clazz.newInstance());
+            } catch (InstantiationException | IllegalAccessException e) {
+                GeyserConnector.getInstance().getLogger().error("Could not instantiate required block state " + clazz.getCanonicalName() + ".");
+            }
+
+        }
     }
 
     private static void registerInventoryTranslators() {

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransactionTranslator.java

@@ -25,8 +25,6 @@
 
 package org.geysermc.connector.network.translators.bedrock;
 
-import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
-import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerPlaceBlockPacket;
 import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;
 import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
 import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
@@ -35,14 +33,17 @@ import com.github.steveice10.mc.protocol.data.game.entity.player.PlayerAction;
 import com.github.steveice10.mc.protocol.data.game.world.block.BlockFace;
 import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerActionPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerInteractEntityPacket;
+import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerPlaceBlockPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerUseItemPacket;
+import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
 import com.nukkitx.math.vector.Vector3i;
 import com.nukkitx.math.vector.Vector3f;
 import com.nukkitx.protocol.bedrock.data.LevelEventType;
+import com.nukkitx.protocol.bedrock.packet.LevelEventPacket;
 import com.nukkitx.protocol.bedrock.packet.InventoryTransactionPacket;
 
-import com.nukkitx.protocol.bedrock.packet.LevelEventPacket;
 import org.geysermc.connector.entity.Entity;
+import org.geysermc.connector.entity.ItemFrameEntity;
 import org.geysermc.connector.inventory.Inventory;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.PacketTranslator;
@@ -74,6 +75,20 @@ public class BedrockInventoryTransactionTranslator extends PacketTranslator<Inve
             case ITEM_USE:
                 switch (packet.getActionType()) {
                     case 0:
+
+                        // Bedrock sends block interact code for a Java entity so we send entity code back to Java
+                        if (BlockTranslator.isItemFrame(packet.getBlockRuntimeId()) &&
+                                session.getEntityCache().getEntityByJavaId(ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition())) != null) {
+                            Vector3f vector = packet.getClickPosition();
+                            ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
+                                    InteractAction.INTERACT, Hand.MAIN_HAND);
+                            ClientPlayerInteractEntityPacket interactAtPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
+                                    InteractAction.INTERACT_AT, vector.getX(), vector.getY(), vector.getZ(), Hand.MAIN_HAND);
+                            session.getDownstream().getSession().send(interactPacket);
+                            session.getDownstream().getSession().send(interactAtPacket);
+                            break;
+                        }
+
                         ClientPlayerPlaceBlockPacket blockPacket = new ClientPlayerPlaceBlockPacket(
                                 new Position(packet.getBlockPosition().getX(), packet.getBlockPosition().getY(), packet.getBlockPosition().getZ()),
                                 BlockFace.values()[packet.getFace()],
@@ -131,6 +146,15 @@ public class BedrockInventoryTransactionTranslator extends PacketTranslator<Inve
                             blockBreakPacket.setData(BlockTranslator.getBedrockBlockId(blockState));
                             session.getUpstream().sendPacket(blockBreakPacket);
                         }
+
+                        if (ItemFrameEntity.positionContainsItemFrame(session, packet.getBlockPosition()) &&
+                                session.getEntityCache().getEntityByJavaId(ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition())) != null) {
+                            ClientPlayerInteractEntityPacket attackPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
+                                    InteractAction.ATTACK);
+                            session.getDownstream().getSession().send(attackPacket);
+                            break;
+                        }
+
                         PlayerAction action = session.getGameMode() == GameMode.CREATIVE ? PlayerAction.START_DIGGING : PlayerAction.FINISH_DIGGING;
                         Position pos = new Position(packet.getBlockPosition().getX(), packet.getBlockPosition().getY(), packet.getBlockPosition().getZ());
                         ClientPlayerActionPacket breakPacket = new ClientPlayerActionPacket(action, pos, BlockFace.values()[packet.getFace()]);

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockItemFrameDropItemTranslator.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.connector.network.translators.bedrock;
+
+import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
+import com.github.steveice10.mc.protocol.data.game.entity.player.InteractAction;
+import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerInteractEntityPacket;
+import com.nukkitx.math.vector.Vector3i;
+import com.nukkitx.protocol.bedrock.packet.ItemFrameDropItemPacket;
+import org.geysermc.connector.entity.ItemFrameEntity;
+import org.geysermc.connector.network.session.GeyserSession;
+import org.geysermc.connector.network.translators.PacketTranslator;
+import org.geysermc.connector.network.translators.Translator;
+
+@Translator(packet = ItemFrameDropItemPacket.class)
+public class BedrockItemFrameDropItemTranslator extends PacketTranslator<ItemFrameDropItemPacket> {
+
+    @Override
+    public void translate(ItemFrameDropItemPacket packet, GeyserSession session) {
+        // I hope that, when we die, God (or whoever is waiting for us) tells us exactly why this code exists
+        // The packet sends the Y coordinate (and just the Y coordinate) divided by two, and it's negative if it needs to be subtracted by one
+        int y;
+        if (packet.getBlockPosition().getY() > 0) {
+            y = packet.getBlockPosition().getY() * 2;
+        } else {
+            y = (packet.getBlockPosition().getY() * -2) - 1;
+        }
+        Vector3i position = Vector3i.from(packet.getBlockPosition().getX(), y, packet.getBlockPosition().getZ());
+        ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, position),
+                InteractAction.ATTACK, Hand.MAIN_HAND);
+        session.getDownstream().getSession().send(interactPacket);
+    }
+
+}

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockTextTranslator.java

@@ -38,19 +38,7 @@ public class BedrockTextTranslator extends PacketTranslator<TextPacket> {
 
     @Override
     public void translate(TextPacket packet, GeyserSession session) {
-        if (packet.getMessage().charAt(0) == '.') {
-            String message = packet.getMessage().replace(".", "/").trim();
-
-            if (MessageUtils.isTooLong(message, session)) {
-                return;
-            }
-
-            ClientChatPacket chatPacket = new ClientChatPacket(message);
-            session.getDownstream().getSession().send(chatPacket);
-            return;
-        }
-
-        String message = packet.getMessage().trim();
+        String message = packet.getMessage().replaceAll("^\\.", "/").trim();
 
         if (MessageUtils.isTooLong(message, session)) {
             return;

connector/src/main/java/org/geysermc/connector/network/translators/item/ItemEntry.java

@@ -36,7 +36,6 @@ public class ItemEntry {
 
     private final String javaIdentifier;
     private final int javaId;
-
     private final int bedrockId;
     private final int bedrockData;
 

connector/src/main/java/org/geysermc/connector/network/translators/java/entity/spawn/JavaSpawnObjectTranslator.java

@@ -29,8 +29,10 @@ import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 
 import com.github.steveice10.mc.protocol.data.game.entity.type.object.FallingBlockData;
+import com.github.steveice10.mc.protocol.data.game.entity.type.object.HangingDirection;
 import org.geysermc.connector.entity.Entity;
 import org.geysermc.connector.entity.FallingBlockEntity;
+import org.geysermc.connector.entity.ItemFrameEntity;
 import org.geysermc.connector.entity.type.EntityType;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.PacketTranslator;
@@ -46,8 +48,6 @@ public class JavaSpawnObjectTranslator extends PacketTranslator<ServerSpawnObjec
 
     @Override
     public void translate(ServerSpawnObjectPacket packet, GeyserSession session) {
-        if (packet.getType() == ObjectType.ITEM_FRAME)
-            return;
 
         Vector3f position = Vector3f.from(packet.getX(), packet.getY(), packet.getZ());
         Vector3f motion = Vector3f.from(packet.getMotionX(), packet.getMotionY(), packet.getMotionZ());
@@ -65,6 +65,10 @@ public class JavaSpawnObjectTranslator extends PacketTranslator<ServerSpawnObjec
             if (packet.getType() == ObjectType.FALLING_BLOCK) {
                 entity = new FallingBlockEntity(packet.getEntityId(), session.getEntityCache().getNextEntityId().incrementAndGet(),
                         type, position, motion, rotation, ((FallingBlockData) packet.getData()).getId());
+            } else if (packet.getType() == ObjectType.ITEM_FRAME) {
+                // Item frames need the hanging direction
+                entity = new ItemFrameEntity(packet.getEntityId(), session.getEntityCache().getNextEntityId().incrementAndGet(),
+                        type, position, motion, rotation, (HangingDirection) packet.getData());
             } else {
                 Constructor<? extends Entity> entityConstructor = entityClass.getConstructor(long.class, long.class, EntityType.class,
                         Vector3f.class, Vector3f.class, Vector3f.class);

connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaBlockValueTranslator.java

@@ -25,15 +25,21 @@
 
 package org.geysermc.connector.network.translators.java.world;
 
-import com.github.steveice10.mc.protocol.data.game.world.block.value.ChestValue;
-import com.github.steveice10.mc.protocol.data.game.world.block.value.EndGatewayValue;
+import com.github.steveice10.mc.protocol.data.game.world.block.value.*;
 import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerBlockValuePacket;
 import com.nukkitx.math.vector.Vector3i;
+import com.nukkitx.nbt.CompoundTagBuilder;
+import com.nukkitx.nbt.tag.CompoundTag;
+import com.nukkitx.protocol.bedrock.packet.BlockEntityDataPacket;
 import com.nukkitx.protocol.bedrock.packet.BlockEventPacket;
 
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.PacketTranslator;
 import org.geysermc.connector.network.translators.Translator;
+import org.geysermc.connector.network.translators.world.block.entity.NoteblockBlockEntityTranslator;
+
+import java.util.concurrent.TimeUnit;
+
 
 @Translator(packet = ServerBlockValuePacket.class)
 public class JavaBlockValueTranslator extends PacketTranslator<ServerBlockValuePacket> {
@@ -53,5 +59,94 @@ public class JavaBlockValueTranslator extends PacketTranslator<ServerBlockValueP
             blockEventPacket.setEventType(1);
             session.getUpstream().sendPacket(blockEventPacket);
         }
+        if (packet.getValue() instanceof NoteBlockValue) {
+            NoteblockBlockEntityTranslator.translate(session, packet.getPosition());
+            return;
+        }
+        if (packet.getValue() instanceof PistonValue) {
+            PistonValueType type = (PistonValueType) packet.getType();
+
+            // Unlike everything else, pistons need a block entity packet to convey motion
+            // TODO: Doesn't register on chunk load; needs to be interacted with first
+            Vector3i position = Vector3i.from(packet.getPosition().getX(), packet.getPosition().getY(), packet.getPosition().getZ());
+            if (type == PistonValueType.PUSHING) {
+                extendPiston(session, position, 0.0f, 0.0f);
+            } else {
+                retractPiston(session, position, 1.0f, 1.0f);
+            }
+        }
+        if (packet.getValue() instanceof BeaconValue) {
+            blockEventPacket.setEventType(1);
+            session.getUpstream().sendPacket(blockEventPacket);
+        }
+        if (packet.getValue() instanceof MobSpawnerValue) {
+            blockEventPacket.setEventType(1);
+            session.getUpstream().sendPacket(blockEventPacket);
+        }
+        if (packet.getValue() instanceof EndGatewayValue) {
+            blockEventPacket.setEventType(1);
+            session.getUpstream().sendPacket(blockEventPacket);
+        }
+    }
+
+    /**
+     * Emulating a piston extending
+     * @param session GeyserSession
+     * @param position Block position
+     * @param progress How far the piston is
+     * @param lastProgress How far the piston last was
+     */
+    private void extendPiston(GeyserSession session, Vector3i position, float progress, float lastProgress) {
+        BlockEntityDataPacket blockEntityDataPacket = new BlockEntityDataPacket();
+        blockEntityDataPacket.setBlockPosition(position);
+        byte state = (byte) ((progress == 1.0f && lastProgress == 1.0f) ? 2 : 1);
+        blockEntityDataPacket.setData(buildPistonTag(position, progress, lastProgress, state));
+        session.getUpstream().sendPacket(blockEntityDataPacket);
+        if (lastProgress != 1.0f) {
+            session.getConnector().getGeneralThreadPool().schedule(() ->
+                            extendPiston(session, position, (progress >= 1.0f) ? 1.0f : progress + 0.5f, progress),
+                    20, TimeUnit.MILLISECONDS);
+        }
+    }
+
+    /**
+     * Emulate a piston retracting.
+     * @param session GeyserSession
+     * @param position Block position
+     * @param progress Current progress of piston
+     * @param lastProgress Last progress of piston
+     */
+    private void retractPiston(GeyserSession session, Vector3i position, float progress, float lastProgress) {
+        BlockEntityDataPacket blockEntityDataPacket = new BlockEntityDataPacket();
+        blockEntityDataPacket.setBlockPosition(position);
+        byte state = (byte) ((progress == 0.0f && lastProgress == 0.0f) ? 0 : 3);
+        blockEntityDataPacket.setData(buildPistonTag(position, progress, lastProgress, state));
+        session.getUpstream().sendPacket(blockEntityDataPacket);
+        if (lastProgress != 0.0f) {
+            session.getConnector().getGeneralThreadPool().schedule(() ->
+                            retractPiston(session, position, (progress <= 0.0f) ? 0.0f : progress - 0.5f, progress),
+                    20, TimeUnit.MILLISECONDS);
+        }
+    }
+
+    /**
+     * Build a piston tag
+     * @param position Piston position
+     * @param progress Current progress of piston
+     * @param lastProgress Last progress of piston
+     * @param state
+     * @return Bedrock CompoundTag of piston
+     */
+    private CompoundTag buildPistonTag(Vector3i position, float progress, float lastProgress, byte state) {
+        CompoundTagBuilder builder = CompoundTag.EMPTY.toBuilder();
+        builder.intTag("x", position.getX())
+                .intTag("y", position.getY())
+                .intTag("z", position.getZ())
+                .floatTag("Progress", progress)
+                .floatTag("LastProgress", lastProgress)
+                .stringTag("id", "PistonArm")
+                .byteTag("NewState", state)
+                .byteTag("State", state);
+        return builder.buildRootTag();
     }
 }

connector/src/main/java/org/geysermc/connector/network/translators/world/block/BlockStateValues.java

@@ -41,6 +41,7 @@ public class BlockStateValues {
 
     private static final Object2IntMap<BlockState> BANNER_COLORS = new Object2IntOpenHashMap<>();
     private static final Object2ByteMap<BlockState> BED_COLORS = new Object2ByteOpenHashMap<>();
+    private static final Object2IntMap<BlockState> NOTEBLOCK_PITCHES = new Object2IntOpenHashMap<>();
     private static final Object2ByteMap<BlockState> SKULL_VARIANTS = new Object2ByteOpenHashMap<>();
     private static final Object2ByteMap<BlockState> SKULL_ROTATIONS = new Object2ByteOpenHashMap<>();
     private static final Object2ByteMap<BlockState> SHULKERBOX_DIRECTIONS = new Object2ByteOpenHashMap<>();
@@ -53,24 +54,30 @@ public class BlockStateValues {
     public static void storeBlockStateValues(Map.Entry<String, JsonNode> entry, BlockState javaBlockState) {
         JsonNode bannerColor = entry.getValue().get("banner_color");
         if (bannerColor != null) {
-            BlockStateValues.BANNER_COLORS.put(javaBlockState, (byte) bannerColor.intValue());
+            BANNER_COLORS.put(javaBlockState, (byte) bannerColor.intValue());
             return; // There will never be a banner color and a skull variant
         }
 
         JsonNode bedColor = entry.getValue().get("bed_color");
         if (bedColor != null) {
-            BlockStateValues.BED_COLORS.put(javaBlockState, (byte) bedColor.intValue());
+            BED_COLORS.put(javaBlockState, (byte) bedColor.intValue());
+            return;
+        }
+
+        JsonNode notePitch = entry.getValue().get("note_pitch");
+        if (notePitch != null) {
+            NOTEBLOCK_PITCHES.put(javaBlockState, entry.getValue().get("note_pitch").intValue());
             return;
         }
 
         JsonNode skullVariation = entry.getValue().get("variation");
         if(skullVariation != null) {
-            BlockStateValues.SKULL_VARIANTS.put(javaBlockState, (byte) skullVariation.intValue());
+            SKULL_VARIANTS.put(javaBlockState, (byte) skullVariation.intValue());
         }
 
         JsonNode skullRotation = entry.getValue().get("skull_rotation");
         if (skullRotation != null) {
-            BlockStateValues.SKULL_ROTATIONS.put(javaBlockState, (byte) skullRotation.intValue());
+            SKULL_ROTATIONS.put(javaBlockState, (byte) skullRotation.intValue());
         }
 
         JsonNode shulkerDirection = entry.getValue().get("shulker_direction");
@@ -107,6 +114,19 @@ public class BlockStateValues {
         return -1;
     }
 
+    /**
+     * The note that noteblocks output when hit is part of the block state in Java but sent as a BlockEventPacket in Bedrock.
+     * This gives an integer pitch that Bedrock can use.
+     * @param state BlockState of the block
+     * @return note block note integer or -1 if not present
+     */
+    public static int getNoteblockPitch(BlockState state) {
+        if (NOTEBLOCK_PITCHES.containsKey(state)) {
+            return NOTEBLOCK_PITCHES.getInt(state);
+        }
+        return -1;
+    }
+
     /**
      * Skull variations are part of the namespaced ID in Java Edition, but part of the block entity tag in Bedrock.
      * This gives a byte variant ID that Bedrock can use.

connector/src/main/java/org/geysermc/connector/network/translators/world/block/BlockTranslator.java

@@ -34,16 +34,7 @@ import com.nukkitx.nbt.NbtUtils;
 import com.nukkitx.nbt.stream.NBTInputStream;
 import com.nukkitx.nbt.tag.CompoundTag;
 import com.nukkitx.nbt.tag.ListTag;
-import it.unimi.dsi.fastutil.ints.Int2BooleanMap;
-import it.unimi.dsi.fastutil.ints.Int2BooleanOpenHashMap;
-import it.unimi.dsi.fastutil.ints.Int2DoubleMap;
-import it.unimi.dsi.fastutil.ints.Int2DoubleOpenHashMap;
-import it.unimi.dsi.fastutil.ints.Int2IntMap;
-import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
-import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
-import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
-import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
-import it.unimi.dsi.fastutil.ints.IntSet;
+import it.unimi.dsi.fastutil.ints.*;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
 import org.geysermc.connector.GeyserConnector;
@@ -63,6 +54,7 @@ public class BlockTranslator {
     private static final Int2ObjectMap<BlockState> BEDROCK_TO_JAVA_BLOCK_MAP = new Int2ObjectOpenHashMap<>();
     private static final BiMap<String, BlockState> JAVA_ID_BLOCK_MAP = HashBiMap.create();
     private static final IntSet WATERLOGGED = new IntOpenHashSet();
+    private static final Object2IntMap<CompoundTag> ITEM_FRAMES = new Object2IntOpenHashMap<>();
 
     // Bedrock carpet ID, used in LlamaEntity.java for decoration
     public static final int CARPET = 171;
@@ -204,6 +196,16 @@ public class BlockTranslator {
 
         paletteList.addAll(blockStateMap.values()); // Add any missing mappings that could crash the client
 
+        // Loop around again to find all item frame runtime IDs
+        int frameRuntimeId = 0;
+        for (CompoundTag tag : paletteList) {
+            CompoundTag blockTag = tag.getCompound("block");
+            if (blockTag.getString("name").equals("minecraft:frame")) {
+                ITEM_FRAMES.put(tag, frameRuntimeId);
+            }
+            frameRuntimeId++;
+        }
+
         BLOCKS = new ListTag<>("", CompoundTag.class, paletteList);
     }
 
@@ -255,6 +257,18 @@ public class BlockTranslator {
         return BEDROCK_TO_JAVA_BLOCK_MAP.get(bedrockId);
     }
 
+    public static int getItemFrame(CompoundTag tag) {
+        return ITEM_FRAMES.getOrDefault(tag, -1);
+    }
+
+    public static boolean isItemFrame(int bedrockBlockRuntimeId) {
+        return ITEM_FRAMES.values().contains(bedrockBlockRuntimeId);
+    }
+
+    public static int getBlockStateVersion() {
+        return BLOCK_STATE_VERSION;
+    }
+
     public static BlockState getJavaBlockState(String javaId) {
         return JAVA_ID_BLOCK_MAP.get(javaId);
     }

connector/src/main/java/org/geysermc/connector/network/translators/world/block/entity/NoteblockBlockEntityTranslator.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.connector.network.translators.world.block.entity;
+
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;
+import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
+import com.nukkitx.math.vector.Vector3i;
+import com.nukkitx.protocol.bedrock.packet.BlockEventPacket;
+import org.geysermc.connector.network.session.GeyserSession;
+import org.geysermc.connector.network.translators.world.block.BlockStateValues;
+import org.geysermc.connector.utils.ChunkUtils;
+
+/**
+ * Does not implement BlockEntityTranslator because it's only a block entity in Bedrock
+ */
+public class NoteblockBlockEntityTranslator implements RequiresBlockState {
+
+    @Override
+    public boolean isBlock(BlockState blockState) {
+        return BlockStateValues.getNoteblockPitch(blockState) != -1;
+    }
+
+    public static void translate(GeyserSession session, Position position) {
+        BlockState blockState = ChunkUtils.CACHED_BLOCK_ENTITIES.get(position);
+        BlockEventPacket blockEventPacket = new BlockEventPacket();
+        blockEventPacket.setBlockPosition(Vector3i.from(position.getX(), position.getY(), position.getZ()));
+        blockEventPacket.setEventType(0);
+        blockEventPacket.setEventData(BlockStateValues.getNoteblockPitch(blockState));
+        session.getUpstream().sendPacket(blockEventPacket);
+
+        ChunkUtils.CACHED_BLOCK_ENTITIES.remove(position);
+    }
+
+}

connector/src/main/java/org/geysermc/connector/utils/ChunkUtils.java

@@ -32,15 +32,13 @@ import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
 import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
 import com.nukkitx.math.vector.Vector2i;
 import com.nukkitx.math.vector.Vector3i;
-import com.nukkitx.protocol.bedrock.packet.LevelChunkPacket;
-import com.nukkitx.protocol.bedrock.packet.NetworkChunkPublisherUpdatePacket;
-import com.nukkitx.protocol.bedrock.packet.UpdateBlockPacket;
-
+import com.nukkitx.protocol.bedrock.packet.*;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
-
 import lombok.Getter;
 import org.geysermc.connector.GeyserConnector;
+import org.geysermc.connector.entity.Entity;
+import org.geysermc.connector.entity.ItemFrameEntity;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.world.block.entity.*;
 import org.geysermc.connector.network.translators.Translators;
@@ -51,6 +49,7 @@ import org.geysermc.connector.network.translators.world.chunk.ChunkSection;
 import java.util.HashMap;
 import java.util.Map;
 
+import static org.geysermc.connector.network.translators.world.block.BlockTranslator.AIR;
 import static org.geysermc.connector.network.translators.world.block.BlockTranslator.BEDROCK_WATER_ID;
 
 public class ChunkUtils {
@@ -150,6 +149,19 @@ public class ChunkUtils {
     }
 
     public static void updateBlock(GeyserSession session, BlockState blockState, Vector3i position) {
+        // Checks for item frames so they aren't tripped up and removed
+        if (ItemFrameEntity.positionContainsItemFrame(session, position) && blockState.equals(AIR)) {
+            ((ItemFrameEntity) session.getEntityCache().getEntityByJavaId(ItemFrameEntity.getItemFrameEntityId(session, position))).updateBlock(session);
+            return;
+        } else if (ItemFrameEntity.positionContainsItemFrame(session, position)) {
+            Entity entity = session.getEntityCache().getEntityByJavaId(ItemFrameEntity.getItemFrameEntityId(session, position));
+            if (entity != null) {
+                session.getEntityCache().removeEntity(entity, false);
+            } else {
+                ItemFrameEntity.removePosition(session, position);
+            }
+        }
+
         int blockId = BlockTranslator.getBedrockBlockId(blockState);
 
         UpdateBlockPacket updateBlockPacket = new UpdateBlockPacket();
@@ -172,13 +184,10 @@ public class ChunkUtils {
         // Since Java stores bed colors/skull information as part of the namespaced ID and Bedrock stores it as a tag
         // This is the only place I could find that interacts with the Java block state and block updates
         // Iterates through all block entity translators and determines if the block state needs to be saved
-        for (Map.Entry<String, BlockEntityTranslator> entry : Translators.getBlockEntityTranslators().entrySet()) {
-            if (entry.getValue() instanceof RequiresBlockState) {
-                RequiresBlockState requiresBlockState = (RequiresBlockState) entry.getValue();
-                if (requiresBlockState.isBlock(blockState)) {
-                    CACHED_BLOCK_ENTITIES.put(new Position(position.getX(), position.getY(), position.getZ()), blockState);
-                    break; //No block will be a part of two classes
-                }
+        for (RequiresBlockState requiresBlockState : Translators.getRequiresBlockStateMap()) {
+            if (requiresBlockState.isBlock(blockState)) {
+                CACHED_BLOCK_ENTITIES.put(new Position(position.getX(), position.getY(), position.getZ()), blockState);
+                break; //No block will be a part of two classes
             }
         }
         session.getChunkCache().updateBlock(new Position(position.getX(), position.getY(), position.getZ()), blockState);

connector/src/main/java/org/geysermc/connector/utils/DimensionUtils.java

@@ -38,6 +38,7 @@ public class DimensionUtils {
             return;
 
         session.getEntityCache().removeAllEntities();
+        session.getItemFrameCache().clear();
         if (session.getPendingDimSwitches().getAndIncrement() > 0) {
             ChunkUtils.sendEmptyChunks(session, player.getPosition().toInt(), 3, true);
         }