Add 1.20.5 nms module

nms/README.md

@@ -17,3 +17,4 @@ You need to run the BuildTools for the following versions:
 - 1.20.1
 - 1.20.2
 - 1.20.4
+- 1.20.5

nms/all/pom.xml

@@ -68,6 +68,10 @@
             <groupId>de.epiceric</groupId>
             <artifactId>shopchest-nms-v1_20_R3</artifactId>
         </dependency>
+        <dependency>
+            <groupId>de.epiceric</groupId>
+            <artifactId>shopchest-nms-v1_20_R4</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

nms/interface/src/main/java/de/epiceric/shopchest/nms/DefaultTextComponentHelper.java

@@ -0,0 +1,4 @@
+package de.epiceric.shopchest.nms;
+
+public class DefaultTextComponentHelper implements TextComponentHelper {
+}

nms/interface/src/main/java/de/epiceric/shopchest/nms/Platform.java

@@ -6,6 +6,8 @@ public interface Platform {
 
     FakeItem createFakeItem();
 
-    TextComponentHelper getTextComponentHelper();
+    default TextComponentHelper getTextComponentHelper() {
+        return new DefaultTextComponentHelper();
+    }
 
 }

nms/interface/src/main/java/de/epiceric/shopchest/nms/TextComponentHelper.java

@@ -9,6 +9,7 @@ import org.bukkit.inventory.ItemStack;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Objects;
 import java.util.function.Consumer;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -28,7 +29,12 @@ public interface TextComponentHelper {
      * @param itemStack The item stack that will be displayed
      * @return A string representing a json object of the 'tag'
      */
-    String getNbt(ItemStack itemStack);
+    default String getNbt(ItemStack itemStack) {
+        if(!itemStack.hasItemMeta()) {
+            return "{}";
+        }
+        return Objects.requireNonNull(itemStack.getItemMeta()).getAsString();
+    }
 
     default Consumer<Player> getSendableItemInfo(String message, String itemPlaceHolder, ItemStack itemStack, String productName){
         final TextComponent baseComponent = new TextComponent();

nms/pom.xml

@@ -26,6 +26,7 @@
         <module>v1_20_R1</module>
         <module>v1_20_R2</module>
         <module>v1_20_R3</module>
+        <module>v1_20_R4</module>
         <module>all</module>
     </modules>
 
@@ -111,6 +112,12 @@
                 <version>1.0.0</version>
                 <scope>provided</scope>
             </dependency>
+            <dependency>
+                <groupId>de.epiceric</groupId>
+                <artifactId>shopchest-nms-v1_20_R4</artifactId>
+                <version>1.0.0</version>
+                <scope>provided</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 

nms/reflection/src/main/java/de/epiceric/shopchest/nms/reflection/FakeItemImpl.java

@@ -15,10 +15,13 @@ public class FakeItemImpl extends FakeEntityImpl implements FakeItem {
     private final Class<?> packetPlayOutEntityVelocityClass = nmsClassResolver.resolveSilent("network.protocol.game.PacketPlayOutEntityVelocity");
     private final Class<?> vec3dClass = nmsClassResolver.resolveSilent("world.phys.Vec3D");
     private final Class<?> craftItemStackClass = obcClassResolver.resolveSilent("inventory.CraftItemStack");
+    private final EntityType DROPPED_ITEM;
 
     public FakeItemImpl(ShopChestDebug debug) {
         super(debug);
 
+        DROPPED_ITEM = loadDroppedItemsEntityType();
+
         Class<?> nmsItemStackClass = nmsClassResolver.resolveSilent("world.item.ItemStack");
 
         Class<?>[] requiredClasses = new Class<?>[] {
@@ -34,6 +37,16 @@ public class FakeItemImpl extends FakeEntityImpl implements FakeItem {
         }
     }
 
+    private EntityType loadDroppedItemsEntityType() {
+        // The constant name changed in 1.20.5
+        // Doing this ensure compatibility with older version when using reflection nms module
+        try {
+            return EntityType.valueOf("DROPPED_ITEM");
+        } catch (IllegalArgumentException e) {
+            return EntityType.ITEM;
+        }
+    }
+
     @Override
     public void sendData(ItemStack item, Iterable<Player> receivers) {
         try {
@@ -72,7 +85,7 @@ public class FakeItemImpl extends FakeEntityImpl implements FakeItem {
     @Override
     public void spawn(UUID uuid, Location location, Iterable<Player> receivers) {
         for(Player receiver : receivers) {
-            ReflectionUtils.sendPacket(debug, ReflectionUtils.createPacketSpawnEntity(debug, entityId, uuid, location, EntityType.DROPPED_ITEM), receiver);
+            ReflectionUtils.sendPacket(debug, ReflectionUtils.createPacketSpawnEntity(debug, entityId, uuid, location, DROPPED_ITEM), receiver);
         }
     }
 }

nms/v1_20_R4/pom.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>shopchest-nms</artifactId>
+        <groupId>de.epiceric</groupId>
+        <version>1.0.1</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>shopchest-nms-v1_20_R4</artifactId>
+    <version>1.0.0</version>
+
+    <properties>
+        <spigot.version>1.20.5-R0.1-SNAPSHOT</spigot.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot</artifactId>
+            <classifier>remapped-mojang</classifier>
+        </dependency>
+        <dependency>
+            <groupId>de.epiceric</groupId>
+            <artifactId>shopchest-nms-interface</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>net.md-5</groupId>
+                <artifactId>specialsource-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

nms/v1_20_R4/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeArmorStandImpl.java

@@ -0,0 +1,94 @@
+package de.epiceric.shopchest.nms.v1_20_R3;
+
+import de.epiceric.shopchest.nms.FakeArmorStand;
+import io.netty.buffer.Unpooled;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket;
+import net.minecraft.network.syncher.EntityDataAccessor;
+import net.minecraft.network.syncher.SynchedEntityData;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.decoration.ArmorStand;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_20_R4.util.CraftChatMessage;
+import org.bukkit.entity.Player;
+
+import java.lang.reflect.Field;
+import java.util.List;
+import java.util.Optional;
+
+public class FakeArmorStandImpl extends FakeEntityImpl<String> implements FakeArmorStand {
+
+    private final static byte INVISIBLE_FLAG = 0b100000;
+    private final static byte MARKER_FLAG = 0b10000;
+    private final static EntityDataAccessor<Byte> DATA_SHARED_FLAGS_ID;
+    private final static EntityDataAccessor<Optional<Component>> DATA_CUSTOM_NAME;
+    private final static EntityDataAccessor<Boolean> DATA_CUSTOM_NAME_VISIBLE;
+    private final static float MARKER_ARMOR_STAND_OFFSET = 1.975f;
+
+    static {
+        try {
+            final Field dataSharedFlagsId = Entity.class.getDeclaredField(ObfuscatedFieldNames.DATA_SHARED_FLAGS_ID);
+            dataSharedFlagsId.setAccessible(true);
+            DATA_SHARED_FLAGS_ID = forceCast(dataSharedFlagsId.get(null));
+            final Field dataCustomNameField = Entity.class.getDeclaredField(ObfuscatedFieldNames.DATA_CUSTOM_NAME);
+            dataCustomNameField.setAccessible(true);
+            DATA_CUSTOM_NAME = forceCast(dataCustomNameField.get(null));
+            final Field dataCustomNameVisibleField = Entity.class.getDeclaredField(ObfuscatedFieldNames.DATA_CUSTOM_NAME_VISIBLE);
+            dataCustomNameVisibleField.setAccessible(true);
+            DATA_CUSTOM_NAME_VISIBLE = forceCast(dataCustomNameVisibleField.get(null));
+        } catch (ReflectiveOperationException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public FakeArmorStandImpl() {
+        super();
+    }
+
+    @Override
+    public void sendData(String name, Iterable<Player> receivers) {
+        sendData(receivers, name);
+    }
+
+    @Override
+    protected EntityType<?> getEntityType() {
+        return EntityType.ARMOR_STAND;
+    }
+
+    @Override
+    protected float getSpawnOffSet() {
+        return MARKER_ARMOR_STAND_OFFSET;
+    }
+
+    @Override
+    protected int getDataItemCount() {
+        return 4;
+    }
+
+    @Override
+    protected void addSpecificData(List<SynchedEntityData.DataValue<?>> packedItems, String name) {
+        packedItems.add(SynchedEntityData.DataValue.create(DATA_SHARED_FLAGS_ID, INVISIBLE_FLAG));
+        packedItems.add(SynchedEntityData.DataValue.create(DATA_CUSTOM_NAME, Optional.ofNullable(
+                CraftChatMessage.fromStringOrNull(name)
+        )));
+        packedItems.add(SynchedEntityData.DataValue.create(DATA_CUSTOM_NAME_VISIBLE, true));
+        packedItems.add(SynchedEntityData.DataValue.create(ArmorStand.DATA_CLIENT_FLAGS, MARKER_FLAG));
+    }
+
+    @Override
+    public void setLocation(Location location, Iterable<Player> receivers) {
+        final FriendlyByteBuf buffer = new FriendlyByteBuf(Unpooled.buffer());
+        buffer.writeVarInt(entityId);
+        buffer.writeDouble(location.getX());
+        buffer.writeDouble(location.getY() + MARKER_ARMOR_STAND_OFFSET);
+        buffer.writeDouble(location.getZ());
+        buffer.writeByte(0);
+        buffer.writeByte(0);
+        buffer.writeBoolean(false);
+        final ClientboundTeleportEntityPacket positionPacket = ClientboundTeleportEntityPacket.STREAM_CODEC.decode(buffer);
+        sendPacket(positionPacket, receivers);
+    }
+
+}

nms/v1_20_R4/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeEntityImpl.java

@@ -0,0 +1,115 @@
+package de.epiceric.shopchest.nms.v1_20_R3;
+
+import de.epiceric.shopchest.nms.FakeEntity;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.game.ClientboundAddEntityPacket;
+import net.minecraft.network.protocol.game.ClientboundRemoveEntitiesPacket;
+import net.minecraft.network.protocol.game.ClientboundSetEntityDataPacket;
+import net.minecraft.network.syncher.EntityDataAccessor;
+import net.minecraft.network.syncher.SynchedEntityData;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.phys.Vec3;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_20_R4.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+import java.lang.reflect.Field;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public abstract class FakeEntityImpl<T> implements FakeEntity {
+
+    private final static AtomicInteger ENTITY_COUNTER;
+    private final static EntityDataAccessor<Boolean> DATA_NO_GRAVITY;
+    private final static EntityDataAccessor<Boolean> DATA_SILENT;
+
+    static {
+        try {
+            final Field entityCounterField = Entity.class.getDeclaredField(ObfuscatedFieldNames.ENTITY_COUNTER);
+            entityCounterField.setAccessible(true);
+            ENTITY_COUNTER = (AtomicInteger) entityCounterField.get(null);
+            final Field dataNoGravityField = Entity.class.getDeclaredField(ObfuscatedFieldNames.DATA_NO_GRAVITY);
+            dataNoGravityField.setAccessible(true);
+            DATA_NO_GRAVITY = forceCast(dataNoGravityField.get(null));
+            final Field dataSilentField = Entity.class.getDeclaredField(ObfuscatedFieldNames.DATA_SILENT);
+            dataSilentField.setAccessible(true);
+            DATA_SILENT = forceCast(dataSilentField.get(null));
+        } catch (ReflectiveOperationException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    protected final int entityId;
+
+    public FakeEntityImpl() {
+        entityId = ENTITY_COUNTER.incrementAndGet();
+    }
+
+    @SuppressWarnings("unchecked")
+    protected static <T> T forceCast(Object o) {
+        return (T) o;
+    }
+
+    @Override
+    public int getEntityId() {
+        return entityId;
+    }
+
+    protected void sendPacket(Packet<?> packet, Iterable<Player> receivers) {
+        for (Player receiver : receivers) {
+            ((CraftPlayer) receiver).getHandle().connection.send(packet);
+        }
+    }
+
+    @Override
+    public void spawn(UUID uuid, Location location, Iterable<Player> receivers) {
+        final ClientboundAddEntityPacket spawnPacket = new ClientboundAddEntityPacket(
+                entityId,
+                uuid,
+                location.getX(),
+                location.getY() + getSpawnOffSet(),
+                location.getZ(),
+                0f,
+                0f,
+                getEntityType(),
+                0,
+                Vec3.ZERO,
+                0d
+        );
+        sendPacket(spawnPacket, receivers);
+    }
+
+    @Override
+    public void remove(Iterable<Player> receivers) {
+        final ClientboundRemoveEntitiesPacket removePacket = new ClientboundRemoveEntitiesPacket(entityId);
+        sendPacket(removePacket, receivers);
+    }
+
+    protected void sendData(Iterable<Player> receivers, T data) {
+        // Create packet
+        final List<SynchedEntityData.DataValue<?>> packedItems = new LinkedList<>();
+        final ClientboundSetEntityDataPacket dataPacket = new ClientboundSetEntityDataPacket(entityId, packedItems);
+
+        // Setup data
+        packedItems.add(SynchedEntityData.DataValue.create(DATA_NO_GRAVITY, true));
+        packedItems.add(SynchedEntityData.DataValue.create(DATA_SILENT, true));
+        addSpecificData(packedItems, data);
+
+        // Send packet
+        sendPacket(dataPacket, receivers);
+    }
+
+    protected abstract EntityType<?> getEntityType();
+
+    protected float getSpawnOffSet() {
+        return 0f;
+    }
+
+    protected abstract int getDataItemCount();
+
+    protected abstract void addSpecificData(List<SynchedEntityData.DataValue<?>> packedItems, T data);
+
+}

nms/v1_20_R4/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeItemImpl.java

@@ -0,0 +1,60 @@
+package de.epiceric.shopchest.nms.v1_20_R3;
+
+import de.epiceric.shopchest.nms.FakeItem;
+import net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket;
+import net.minecraft.network.syncher.EntityDataAccessor;
+import net.minecraft.network.syncher.SynchedEntityData;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.item.ItemEntity;
+import net.minecraft.world.phys.Vec3;
+import org.bukkit.craftbukkit.v1_20_R4.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.lang.reflect.Field;
+import java.util.List;
+
+public class FakeItemImpl extends FakeEntityImpl<ItemStack> implements FakeItem {
+
+    private final static EntityDataAccessor<net.minecraft.world.item.ItemStack> DATA_ITEM;
+
+    static {
+        try {
+            final Field dataItemField = ItemEntity.class.getDeclaredField(ObfuscatedFieldNames.DATA_ITEM);
+            dataItemField.setAccessible(true);
+            DATA_ITEM = forceCast(dataItemField.get(null));
+        } catch (ReflectiveOperationException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public FakeItemImpl() {
+        super();
+    }
+
+    @Override
+    public void sendData(ItemStack item, Iterable<Player> receivers) {
+        sendData(receivers, item);
+    }
+
+    @Override
+    public void resetVelocity(Iterable<Player> receivers) {
+        final ClientboundSetEntityMotionPacket velocityPacket = new ClientboundSetEntityMotionPacket(entityId, Vec3.ZERO);
+        sendPacket(velocityPacket, receivers);
+    }
+
+    @Override
+    protected EntityType<?> getEntityType() {
+        return EntityType.ITEM;
+    }
+
+    @Override
+    protected int getDataItemCount() {
+        return 1;
+    }
+
+    @Override
+    protected void addSpecificData(List<SynchedEntityData.DataValue<?>> packedItems, ItemStack data) {
+        packedItems.add(SynchedEntityData.DataValue.create(DATA_ITEM, CraftItemStack.asNMSCopy(data)));
+    }
+}

nms/v1_20_R4/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/ObfuscatedFieldNames.java

@@ -0,0 +1,15 @@
+package de.epiceric.shopchest.nms.v1_20_R3;
+
+public class ObfuscatedFieldNames {
+
+    // Entity
+    public static final String ENTITY_COUNTER = "c";
+    public static final String DATA_NO_GRAVITY = "aV";
+    public static final String DATA_SILENT = "aU";
+    public static final String DATA_SHARED_FLAGS_ID = "ap";
+    public static final String DATA_CUSTOM_NAME = "aS";
+    public static final String DATA_CUSTOM_NAME_VISIBLE = "aT";
+    // ItemEntity
+    public static final String DATA_ITEM = "d";
+
+}

nms/v1_20_R4/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/PlatformImpl.java

@@ -0,0 +1,20 @@
+package de.epiceric.shopchest.nms.v1_20_R3;
+
+import de.epiceric.shopchest.nms.FakeArmorStand;
+import de.epiceric.shopchest.nms.FakeItem;
+import de.epiceric.shopchest.nms.Platform;
+import de.epiceric.shopchest.nms.TextComponentHelper;
+
+public class PlatformImpl implements Platform {
+
+    @Override
+    public FakeArmorStand createFakeArmorStand() {
+        return new FakeArmorStandImpl();
+    }
+
+    @Override
+    public FakeItem createFakeItem() {
+        return new FakeItemImpl();
+    }
+
+}

plugin/src/main/java/de/epiceric/shopchest/nms/PlatformLoader.java

@@ -97,6 +97,8 @@ public class PlatformLoader {
                 return new de.epiceric.shopchest.nms.v1_20_R2.PlatformImpl();
             case "60a2bb6bf2684dc61c56b90d7c41bddc": //1.20.4 (1.20.3 virtually does not exist)
                 return new de.epiceric.shopchest.nms.v1_20_R3.PlatformImpl();
+            case "ad1a88fd7eaf2277f2507bf34d7b994c": // 1.20.5
+                return new de.epiceric.shopchest.nms.v1_20_R4.PlatformImpl();
             default:
                 return null;
         }

pom.xml

@@ -123,7 +123,7 @@
             <dependency>
                 <groupId>org.spigotmc</groupId>
                 <artifactId>spigot-api</artifactId>
-                <version>1.20.1-R0.1-SNAPSHOT</version>
+                <version>1.20.5-R0.1-SNAPSHOT</version>
                 <scope>provided</scope>
             </dependency>
             <dependency>
@@ -433,7 +433,7 @@
                 <plugin>
                     <groupId>net.md-5</groupId>
                     <artifactId>specialsource-maven-plugin</artifactId>
-                    <version>1.2.4</version>
+                    <version>2.0.3</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-assembly-plugin</artifactId>