Added survival friendly way to obtain invisible item frames

V1_16/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_16</artifactId>

V1_16/src/main/java/com/loohp/imageframe/nms/V1_16.java

@@ -23,6 +23,10 @@ package com.loohp.imageframe.nms;
 import com.loohp.imageframe.objectholders.CombinedMapItemInfo;
 import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
+import com.loohp.imageframe.utils.UnsafeAccessor;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.chat.TranslatableComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
 import net.minecraft.server.v1_16_R1.ChunkProviderServer;
 import net.minecraft.server.v1_16_R1.DataWatcher;
 import net.minecraft.server.v1_16_R1.DataWatcherObject;
@@ -33,6 +37,8 @@ import net.minecraft.server.v1_16_R1.IChatBaseComponent;
 import net.minecraft.server.v1_16_R1.ItemWorldMap;
 import net.minecraft.server.v1_16_R1.MapIcon;
 import net.minecraft.server.v1_16_R1.NBTTagCompound;
+import net.minecraft.server.v1_16_R1.NBTTagList;
+import net.minecraft.server.v1_16_R1.NBTTagString;
 import net.minecraft.server.v1_16_R1.Packet;
 import net.minecraft.server.v1_16_R1.PacketPlayOutEntityMetadata;
 import net.minecraft.server.v1_16_R1.PacketPlayOutMap;
@@ -43,18 +49,23 @@ import net.minecraft.server.v1_16_R1.WorldMap;
 import net.minecraft.server.v1_16_R1.WorldServer;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.objects.Object2IntMap;
 import org.bukkit.craftbukkit.v1_16_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_16_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_16_R1.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_16_R1.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_16_R1.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_16_R1.map.RenderData;
 import org.bukkit.craftbukkit.v1_16_R1.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -72,6 +83,7 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_16 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field nmsMapIconTypeDisplayField;
     private final Field[] nmsPacketPlayOutEntityMetadataFields;
@@ -80,6 +92,7 @@ public class V1_16 extends NMSWrapper {
 
     public V1_16() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.server.v1_16_R1.Entity.class.getDeclaredField("T");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             nmsMapIconTypeDisplayField = MapIcon.Type.class.getDeclaredField("C");
             nmsPacketPlayOutEntityMetadataFields = PacketPlayOutEntityMetadata.class.getDeclaredFields();
@@ -242,6 +255,46 @@ public class V1_16 extends NMSWrapper {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.server.v1_16_R1.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.getDataWatcher();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.get(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.Item<?>> dataWatchers = Collections.singletonList(new DataWatcher.Item<>(byteField, value));
+            PacketPlayOutEntityMetadata packet = (PacketPlayOutEntityMetadata) UnsafeAccessor.getUnsafe().allocateInstance(PacketPlayOutEntityMetadata.class);
+            nmsPacketPlayOutEntityMetadataFields[0].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[0].setInt(packet, entityId);
+            nmsPacketPlayOutEntityMetadataFields[1].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[1].set(packet, dataWatchers);
+            return packet;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().playerConnection.sendPacket((Packet<?>) packet);
@@ -275,4 +328,41 @@ public class V1_16 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.server.v1_16_R1.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == 9) {
+            NBTTagList loreLineTagList = displayTag.getList("Lore", 8);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.getString(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        TranslatableComponent translatableComponent = new TranslatableComponent("effect.minecraft.invisibility");
+        translatableComponent.setColor(ChatColor.GRAY);
+        translatableComponent.setItalic(false);
+        loreLines.add(0, ComponentSerializer.toString(translatableComponent));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.set("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_16_2/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_16_2</artifactId>

V1_16_2/src/main/java/com/loohp/imageframe/nms/V1_16_2.java

@@ -23,6 +23,10 @@ package com.loohp.imageframe.nms;
 import com.loohp.imageframe.objectholders.CombinedMapItemInfo;
 import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
+import com.loohp.imageframe.utils.UnsafeAccessor;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.chat.TranslatableComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
 import net.minecraft.server.v1_16_R2.ChunkProviderServer;
 import net.minecraft.server.v1_16_R2.DataWatcher;
 import net.minecraft.server.v1_16_R2.DataWatcherObject;
@@ -33,6 +37,8 @@ import net.minecraft.server.v1_16_R2.IChatBaseComponent;
 import net.minecraft.server.v1_16_R2.ItemWorldMap;
 import net.minecraft.server.v1_16_R2.MapIcon;
 import net.minecraft.server.v1_16_R2.NBTTagCompound;
+import net.minecraft.server.v1_16_R2.NBTTagList;
+import net.minecraft.server.v1_16_R2.NBTTagString;
 import net.minecraft.server.v1_16_R2.Packet;
 import net.minecraft.server.v1_16_R2.PacketPlayOutEntityMetadata;
 import net.minecraft.server.v1_16_R2.PacketPlayOutMap;
@@ -43,18 +49,23 @@ import net.minecraft.server.v1_16_R2.WorldMap;
 import net.minecraft.server.v1_16_R2.WorldServer;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.objects.Object2IntMap;
 import org.bukkit.craftbukkit.v1_16_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_16_R2.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_16_R2.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_16_R2.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_16_R2.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_16_R2.map.RenderData;
 import org.bukkit.craftbukkit.v1_16_R2.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -72,6 +83,7 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_16_2 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field nmsMapIconTypeDisplayField;
     private final Field[] nmsPacketPlayOutEntityMetadataFields;
@@ -80,6 +92,7 @@ public class V1_16_2 extends NMSWrapper {
 
     public V1_16_2() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.server.v1_16_R2.Entity.class.getDeclaredField("S");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             nmsMapIconTypeDisplayField = MapIcon.Type.class.getDeclaredField("C");
             nmsPacketPlayOutEntityMetadataFields = PacketPlayOutEntityMetadata.class.getDeclaredFields();
@@ -242,6 +255,46 @@ public class V1_16_2 extends NMSWrapper {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.server.v1_16_R2.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.getDataWatcher();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.get(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.Item<?>> dataWatchers = Collections.singletonList(new DataWatcher.Item<>(byteField, value));
+            PacketPlayOutEntityMetadata packet = (PacketPlayOutEntityMetadata) UnsafeAccessor.getUnsafe().allocateInstance(PacketPlayOutEntityMetadata.class);
+            nmsPacketPlayOutEntityMetadataFields[0].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[0].setInt(packet, entityId);
+            nmsPacketPlayOutEntityMetadataFields[1].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[1].set(packet, dataWatchers);
+            return packet;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().playerConnection.sendPacket((Packet<?>) packet);
@@ -275,4 +328,41 @@ public class V1_16_2 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.server.v1_16_R2.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == 9) {
+            NBTTagList loreLineTagList = displayTag.getList("Lore", 8);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.getString(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        TranslatableComponent translatableComponent = new TranslatableComponent("effect.minecraft.invisibility");
+        translatableComponent.setColor(ChatColor.GRAY);
+        translatableComponent.setItalic(false);
+        loreLines.add(0, ComponentSerializer.toString(translatableComponent));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.set("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_16_4/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_16_4</artifactId>

V1_16_4/src/main/java/com/loohp/imageframe/nms/V1_16_4.java

@@ -23,6 +23,10 @@ package com.loohp.imageframe.nms;
 import com.loohp.imageframe.objectholders.CombinedMapItemInfo;
 import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
+import com.loohp.imageframe.utils.UnsafeAccessor;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.chat.TranslatableComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
 import net.minecraft.server.v1_16_R3.ChunkProviderServer;
 import net.minecraft.server.v1_16_R3.DataWatcher;
 import net.minecraft.server.v1_16_R3.DataWatcherObject;
@@ -33,6 +37,8 @@ import net.minecraft.server.v1_16_R3.IChatBaseComponent;
 import net.minecraft.server.v1_16_R3.ItemWorldMap;
 import net.minecraft.server.v1_16_R3.MapIcon;
 import net.minecraft.server.v1_16_R3.NBTTagCompound;
+import net.minecraft.server.v1_16_R3.NBTTagList;
+import net.minecraft.server.v1_16_R3.NBTTagString;
 import net.minecraft.server.v1_16_R3.Packet;
 import net.minecraft.server.v1_16_R3.PacketPlayOutEntityMetadata;
 import net.minecraft.server.v1_16_R3.PacketPlayOutMap;
@@ -43,18 +49,23 @@ import net.minecraft.server.v1_16_R3.WorldMap;
 import net.minecraft.server.v1_16_R3.WorldServer;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.objects.Object2IntMap;
 import org.bukkit.craftbukkit.v1_16_R3.CraftWorld;
+import org.bukkit.craftbukkit.v1_16_R3.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_16_R3.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_16_R3.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_16_R3.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_16_R3.map.RenderData;
 import org.bukkit.craftbukkit.v1_16_R3.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -72,6 +83,7 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_16_4 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field nmsMapIconTypeDisplayField;
     private final Field[] nmsPacketPlayOutEntityMetadataFields;
@@ -80,6 +92,7 @@ public class V1_16_4 extends NMSWrapper {
 
     public V1_16_4() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.server.v1_16_R3.Entity.class.getDeclaredField("S");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             nmsMapIconTypeDisplayField = MapIcon.Type.class.getDeclaredField("C");
             nmsPacketPlayOutEntityMetadataFields = PacketPlayOutEntityMetadata.class.getDeclaredFields();
@@ -242,6 +255,46 @@ public class V1_16_4 extends NMSWrapper {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.server.v1_16_R3.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.getDataWatcher();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.get(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.Item<?>> dataWatchers = Collections.singletonList(new DataWatcher.Item<>(byteField, value));
+            PacketPlayOutEntityMetadata packet = (PacketPlayOutEntityMetadata) UnsafeAccessor.getUnsafe().allocateInstance(PacketPlayOutEntityMetadata.class);
+            nmsPacketPlayOutEntityMetadataFields[0].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[0].setInt(packet, entityId);
+            nmsPacketPlayOutEntityMetadataFields[1].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[1].set(packet, dataWatchers);
+            return packet;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().playerConnection.sendPacket((Packet<?>) packet);
@@ -275,4 +328,41 @@ public class V1_16_4 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.server.v1_16_R3.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == 9) {
+            NBTTagList loreLineTagList = displayTag.getList("Lore", 8);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.getString(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        TranslatableComponent translatableComponent = new TranslatableComponent("effect.minecraft.invisibility");
+        translatableComponent.setColor(ChatColor.GRAY);
+        translatableComponent.setItalic(false);
+        loreLines.add(0, ComponentSerializer.toString(translatableComponent));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.set("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_17/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_17</artifactId>

V1_17/src/main/java/com/loohp/imageframe/nms/V1_17.java

@@ -24,7 +24,13 @@ import com.loohp.imageframe.objectholders.CombinedMapItemInfo;
 import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
 import com.loohp.imageframe.utils.UnsafeAccessor;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.chat.TranslatableComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
@@ -45,18 +51,23 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.objects.Object2IntMap;
 import org.bukkit.craftbukkit.v1_17_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_17_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_17_R1.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_17_R1.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_17_R1.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_17_R1.map.RenderData;
 import org.bukkit.craftbukkit.v1_17_R1.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -74,6 +85,7 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_17 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field[] nmsPacketPlayOutEntityMetadataFields;
     private final Field nmsItemFrameItemStackDataWatcherField;
@@ -81,6 +93,7 @@ public class V1_17 extends NMSWrapper {
 
     public V1_17() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("Z");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             nmsPacketPlayOutEntityMetadataFields = PacketPlayOutEntityMetadata.class.getDeclaredFields();
             nmsItemFrameItemStackDataWatcherField = EntityItemFrame.class.getDeclaredField("ao");
@@ -229,6 +242,46 @@ public class V1_17 extends NMSWrapper {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.getDataWatcher();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.get(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.Item<?>> dataWatchers = Collections.singletonList(new DataWatcher.Item<>(byteField, value));
+            PacketPlayOutEntityMetadata packet = (PacketPlayOutEntityMetadata) UnsafeAccessor.getUnsafe().allocateInstance(PacketPlayOutEntityMetadata.class);
+            nmsPacketPlayOutEntityMetadataFields[0].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[0].setInt(packet, entityId);
+            nmsPacketPlayOutEntityMetadataFields[1].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[1].set(packet, dataWatchers);
+            return packet;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().b.sendPacket((Packet<?>) packet);
@@ -262,4 +315,41 @@ public class V1_17 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.getList("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.getString(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        TranslatableComponent translatableComponent = new TranslatableComponent("effect.minecraft.invisibility");
+        translatableComponent.setColor(ChatColor.GRAY);
+        translatableComponent.setItalic(false);
+        loreLines.add(0, ComponentSerializer.toString(translatableComponent));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.set("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_18/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_18</artifactId>

V1_18/src/main/java/com/loohp/imageframe/nms/V1_18.java

@@ -26,7 +26,13 @@ import com.loohp.imageframe.utils.UUIDUtils;
 import com.loohp.imageframe.utils.UnsafeAccessor;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.chat.TranslatableComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
@@ -47,16 +53,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_18_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_18_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_18_R1.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_18_R1.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_18_R1.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_18_R1.map.RenderData;
 import org.bukkit.craftbukkit.v1_18_R1.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -74,6 +85,7 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_18 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field[] nmsPacketPlayOutEntityMetadataFields;
     private final Field nmsItemFrameItemStackDataWatcherField;
@@ -81,6 +93,7 @@ public class V1_18 extends NMSWrapper {
 
     public V1_18() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("aa");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             nmsPacketPlayOutEntityMetadataFields = PacketPlayOutEntityMetadata.class.getDeclaredFields();
             nmsItemFrameItemStackDataWatcherField = EntityItemFrame.class.getDeclaredField("ap");
@@ -229,6 +242,46 @@ public class V1_18 extends NMSWrapper {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.ai();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.Item<?>> dataWatchers = Collections.singletonList(new DataWatcher.Item<>(byteField, value));
+            PacketPlayOutEntityMetadata packet = (PacketPlayOutEntityMetadata) UnsafeAccessor.getUnsafe().allocateInstance(PacketPlayOutEntityMetadata.class);
+            nmsPacketPlayOutEntityMetadataFields[0].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[0].setInt(packet, entityId);
+            nmsPacketPlayOutEntityMetadataFields[1].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[1].set(packet, dataWatchers);
+            return packet;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().b.a((Packet<?>) packet);
@@ -262,4 +315,41 @@ public class V1_18 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        TranslatableComponent translatableComponent = new TranslatableComponent("effect.minecraft.invisibility");
+        translatableComponent.setColor(ChatColor.GRAY);
+        translatableComponent.setItalic(false);
+        loreLines.add(0, ComponentSerializer.toString(translatableComponent));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_18_2/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_18_2</artifactId>

V1_18_2/src/main/java/com/loohp/imageframe/nms/V1_18_2.java

@@ -26,7 +26,13 @@ import com.loohp.imageframe.utils.UUIDUtils;
 import com.loohp.imageframe.utils.UnsafeAccessor;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.md_5.bungee.api.ChatColor;
+import net.md_5.bungee.api.chat.TranslatableComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
@@ -47,16 +53,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_18_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_18_R2.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_18_R2.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_18_R2.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_18_R2.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_18_R2.map.RenderData;
 import org.bukkit.craftbukkit.v1_18_R2.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -74,6 +85,7 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_18_2 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field[] nmsPacketPlayOutEntityMetadataFields;
     private final Field nmsItemFrameItemStackDataWatcherField;
@@ -81,6 +93,7 @@ public class V1_18_2 extends NMSWrapper {
 
     public V1_18_2() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("Z");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             nmsPacketPlayOutEntityMetadataFields = PacketPlayOutEntityMetadata.class.getDeclaredFields();
             nmsItemFrameItemStackDataWatcherField = EntityItemFrame.class.getDeclaredField("ao");
@@ -229,6 +242,46 @@ public class V1_18_2 extends NMSWrapper {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.ai();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.Item<?>> dataWatchers = Collections.singletonList(new DataWatcher.Item<>(byteField, value));
+            PacketPlayOutEntityMetadata packet = (PacketPlayOutEntityMetadata) UnsafeAccessor.getUnsafe().allocateInstance(PacketPlayOutEntityMetadata.class);
+            nmsPacketPlayOutEntityMetadataFields[0].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[0].setInt(packet, entityId);
+            nmsPacketPlayOutEntityMetadataFields[1].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[1].set(packet, dataWatchers);
+            return packet;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().b.a((Packet<?>) packet);
@@ -262,4 +315,41 @@ public class V1_18_2 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        TranslatableComponent translatableComponent = new TranslatableComponent("effect.minecraft.invisibility");
+        translatableComponent.setColor(ChatColor.GRAY);
+        translatableComponent.setItalic(false);
+        loreLines.add(0, ComponentSerializer.toString(translatableComponent));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_19/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_19</artifactId>

V1_19/src/main/java/com/loohp/imageframe/nms/V1_19.java

@@ -26,7 +26,12 @@ import com.loohp.imageframe.utils.UUIDUtils;
 import com.loohp.imageframe.utils.UnsafeAccessor;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
@@ -47,16 +52,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_19_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_19_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_19_R1.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_19_R1.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_19_R1.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_19_R1.map.RenderData;
 import org.bukkit.craftbukkit.v1_19_R1.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -74,6 +84,7 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_19 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field[] nmsPacketPlayOutEntityMetadataFields;
     private final Field nmsItemFrameItemStackDataWatcherField;
@@ -81,6 +92,7 @@ public class V1_19 extends NMSWrapper {
 
     public V1_19() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("Z");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             nmsPacketPlayOutEntityMetadataFields = PacketPlayOutEntityMetadata.class.getDeclaredFields();
             nmsItemFrameItemStackDataWatcherField = EntityItemFrame.class.getDeclaredField("ao");
@@ -229,6 +241,46 @@ public class V1_19 extends NMSWrapper {
         }
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.ai();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.Item<?>> dataWatchers = Collections.singletonList(new DataWatcher.Item<>(byteField, value));
+            PacketPlayOutEntityMetadata packet = (PacketPlayOutEntityMetadata) UnsafeAccessor.getUnsafe().allocateInstance(PacketPlayOutEntityMetadata.class);
+            nmsPacketPlayOutEntityMetadataFields[0].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[0].setInt(packet, entityId);
+            nmsPacketPlayOutEntityMetadataFields[1].setAccessible(true);
+            nmsPacketPlayOutEntityMetadataFields[1].set(packet, dataWatchers);
+            return packet;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().b.a((Packet<?>) packet);
@@ -262,4 +314,38 @@ public class V1_19 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        loreLines.add(0, CraftChatMessage.toJSON(IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false))));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_19_3/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_19_3</artifactId>

V1_19_3/src/main/java/com/loohp/imageframe/nms/V1_19_3.java

@@ -25,12 +25,18 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ChunkProviderServer;
 import net.minecraft.server.level.PlayerChunkMap;
@@ -45,16 +51,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_19_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_19_R2.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_19_R2.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_19_R2.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_19_R2.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_19_R2.map.RenderData;
 import org.bukkit.craftbukkit.v1_19_R2.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -72,11 +83,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_19_3 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_19_3() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("Z");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = PersistentIdCounts.class.getDeclaredField("b");
         } catch (NoSuchFieldException e) {
@@ -211,6 +224,41 @@ public class V1_19_3 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.al();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.b<?>> dataWatchers = Collections.singletonList(DataWatcher.b.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().b.a((Packet<?>) packet);
@@ -244,4 +292,38 @@ public class V1_19_3 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        loreLines.add(0, CraftChatMessage.toJSON(IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false))));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_19_4/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_19_4</artifactId>

V1_19_4/src/main/java/com/loohp/imageframe/nms/V1_19_4.java

@@ -25,12 +25,18 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ChunkProviderServer;
 import net.minecraft.server.level.PlayerChunkMap;
@@ -45,16 +51,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_19_R3.CraftWorld;
+import org.bukkit.craftbukkit.v1_19_R3.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_19_R3.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_19_R3.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_19_R3.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_19_R3.map.RenderData;
 import org.bukkit.craftbukkit.v1_19_R3.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -72,11 +83,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_19_4 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_19_4() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("an");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = PersistentIdCounts.class.getDeclaredField("b");
         } catch (NoSuchFieldException e) {
@@ -211,6 +224,41 @@ public class V1_19_4 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.aj();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.b<?>> dataWatchers = Collections.singletonList(DataWatcher.b.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().b.a((Packet<?>) packet);
@@ -244,4 +292,38 @@ public class V1_19_4 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        loreLines.add(0, CraftChatMessage.toJSON(IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false))));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_20/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_20</artifactId>

V1_20/src/main/java/com/loohp/imageframe/nms/V1_20.java

@@ -25,12 +25,18 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ChunkProviderServer;
 import net.minecraft.server.level.PlayerChunkMap;
@@ -45,16 +51,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_20_R1.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_20_R1.map.RenderData;
 import org.bukkit.craftbukkit.v1_20_R1.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -72,11 +83,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_20 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_20() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("an");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = PersistentIdCounts.class.getDeclaredField("b");
         } catch (NoSuchFieldException e) {
@@ -211,6 +224,41 @@ public class V1_20 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.aj();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.b(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.b<?>> dataWatchers = Collections.singletonList(DataWatcher.b.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().c.a((Packet<?>) packet);
@@ -244,4 +292,38 @@ public class V1_20 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        loreLines.add(0, CraftChatMessage.toJSON(IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false))));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_20_2/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_20_2</artifactId>

V1_20_2/src/main/java/com/loohp/imageframe/nms/V1_20_2.java

@@ -25,12 +25,18 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ChunkProviderServer;
 import net.minecraft.server.level.PlayerChunkMap;
@@ -45,16 +51,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_20_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R2.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_20_R2.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_20_R2.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_20_R2.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_20_R2.map.RenderData;
 import org.bukkit.craftbukkit.v1_20_R2.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -72,11 +83,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_20_2 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_20_2() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("ao");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = PersistentIdCounts.class.getDeclaredField("b");
         } catch (NoSuchFieldException e) {
@@ -211,6 +224,41 @@ public class V1_20_2 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.al();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.b(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.b<?>> dataWatchers = Collections.singletonList(DataWatcher.b.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().c.b((Packet<?>) packet);
@@ -244,4 +292,38 @@ public class V1_20_2 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        loreLines.add(0, CraftChatMessage.toJSON(IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false))));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_20_3/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_20_3</artifactId>

V1_20_3/src/main/java/com/loohp/imageframe/nms/V1_20_3.java

@@ -24,12 +24,18 @@ import com.loohp.imageframe.objectholders.CombinedMapItemInfo;
 import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagString;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
@@ -40,16 +46,21 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_20_R3.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R3.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_20_R3.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_20_R3.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_20_R3.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_20_R3.map.RenderData;
 import org.bukkit.craftbukkit.v1_20_R3.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -67,11 +78,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_20_3 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_20_3() {
         try {
+            nmsEntityByteDataWatcherField = net.minecraft.world.entity.Entity.class.getDeclaredField("ao");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = PersistentIdCounts.class.getDeclaredField("b");
         } catch (NoSuchFieldException e) {
@@ -191,6 +204,41 @@ public class V1_20_3 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.an();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.b(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.b<?>> dataWatchers = Collections.singletonList(DataWatcher.b.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().c.b((Packet<?>) packet);
@@ -224,4 +272,38 @@ public class V1_20_3 extends NMSWrapper {
         }
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        NBTTagCompound displayTag = nmsItemStack.a("display");
+        List<String> loreLines;
+        if (displayTag.d("Lore") == NBTBase.q) {
+            NBTTagList loreLineTagList = displayTag.c("Lore", NBTBase.p);
+            loreLines = new ArrayList<>(loreLineTagList.size());
+            for (int i = 0; i < loreLineTagList.size(); i++) {
+                loreLines.add(loreLineTagList.j(i));
+            }
+        } else {
+            loreLines = new ArrayList<>(1);
+        }
+        loreLines.add(0, CraftChatMessage.toJSON(IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false))));
+        NBTTagList loreLineTagList = new NBTTagList();
+        for (int i = 0; i < loreLines.size(); i++) {
+            loreLineTagList.a(i, NBTTagString.a(loreLines.get(i)));
+        }
+        displayTag.a("Lore", loreLineTagList);
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_20_5/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_20_5</artifactId>

V1_20_5/src/main/java/com/loohp/imageframe/nms/V1_20_5.java

@@ -25,20 +25,24 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.ReflectionUtils;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
 import net.minecraft.core.Holder;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
 import net.minecraft.world.entity.player.EntityHuman;
 import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.item.component.ItemLore;
 import net.minecraft.world.level.saveddata.maps.MapDecorationType;
 import net.minecraft.world.level.saveddata.maps.MapIcon;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -46,17 +50,22 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_20_R4.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R4.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_20_R4.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_20_R4.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_20_R4.map.CraftMapCursor;
 import org.bukkit.craftbukkit.v1_20_R4.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_20_R4.map.RenderData;
 import org.bukkit.craftbukkit.v1_20_R4.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -75,11 +84,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_20_5 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_20_5() {
         try {
+            nmsEntityByteDataWatcherField = ReflectionUtils.findDeclaredField(net.minecraft.world.entity.Entity.class, DataWatcherObject.class, "DATA_SHARED_FLAGS_ID", "ap");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = ReflectionUtils.findDeclaredField(PersistentIdCounts.class, Object2IntMap.class, "usedAuxIds", "b");
         } catch (NoSuchFieldException e) {
@@ -199,6 +210,41 @@ public class V1_20_5 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.ap();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.c<?>> dataWatchers = Collections.singletonList(DataWatcher.c.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().c.sendPacket((Packet<?>) packet);
@@ -238,4 +284,25 @@ public class V1_20_5 extends NMSWrapper {
         nmsItemStack.b(DataComponentPatch.a().a(DataComponents.b, CustomData.a(tag)).a());
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        ItemLore itemLore = nmsItemStack.a(DataComponents.i, ItemLore.a);
+        List<IChatBaseComponent> loreLines = new ArrayList<>(itemLore.a());
+        loreLines.add(0, IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false)));
+        nmsItemStack.b(DataComponentPatch.a().a(DataComponents.i, new ItemLore(loreLines)).a());
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK_OF_THE_SEA, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_20_6/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_20_6</artifactId>

V1_20_6/src/main/java/com/loohp/imageframe/nms/V1_20_6.java

@@ -25,20 +25,24 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.ReflectionUtils;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
 import net.minecraft.core.Holder;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
 import net.minecraft.world.entity.player.EntityHuman;
 import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.item.component.ItemLore;
 import net.minecraft.world.level.saveddata.maps.MapDecorationType;
 import net.minecraft.world.level.saveddata.maps.MapIcon;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -46,17 +50,22 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_20_R4.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R4.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_20_R4.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_20_R4.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_20_R4.map.CraftMapCursor;
 import org.bukkit.craftbukkit.v1_20_R4.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_20_R4.map.RenderData;
 import org.bukkit.craftbukkit.v1_20_R4.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -75,11 +84,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_20_6 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_20_6() {
         try {
+            nmsEntityByteDataWatcherField = ReflectionUtils.findDeclaredField(net.minecraft.world.entity.Entity.class, DataWatcherObject.class, "DATA_SHARED_FLAGS_ID", "ap");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = ReflectionUtils.findDeclaredField(PersistentIdCounts.class, Object2IntMap.class, "usedAuxIds", "b");
         } catch (NoSuchFieldException e) {
@@ -199,6 +210,41 @@ public class V1_20_6 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.ap();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.c<?>> dataWatchers = Collections.singletonList(DataWatcher.c.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().c.sendPacket((Packet<?>) packet);
@@ -238,4 +284,25 @@ public class V1_20_6 extends NMSWrapper {
         nmsItemStack.b(DataComponentPatch.a().a(DataComponents.b, CustomData.a(tag)).a());
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        ItemLore itemLore = nmsItemStack.a(DataComponents.i, ItemLore.a);
+        List<IChatBaseComponent> loreLines = new ArrayList<>(itemLore.a());
+        loreLines.add(0, IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false)));
+        nmsItemStack.b(DataComponentPatch.a().a(DataComponents.i, new ItemLore(loreLines)).a());
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK_OF_THE_SEA, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_21/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_21</artifactId>

V1_21/src/main/java/com/loohp/imageframe/nms/V1_21.java

@@ -25,20 +25,24 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.ReflectionUtils;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
 import net.minecraft.core.Holder;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
 import net.minecraft.world.entity.player.EntityHuman;
 import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.item.component.ItemLore;
 import net.minecraft.world.level.saveddata.maps.MapDecorationType;
 import net.minecraft.world.level.saveddata.maps.MapIcon;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -46,17 +50,22 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_21_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_21_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_21_R1.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_21_R1.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_21_R1.map.CraftMapCursor;
 import org.bukkit.craftbukkit.v1_21_R1.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_21_R1.map.RenderData;
 import org.bukkit.craftbukkit.v1_21_R1.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -75,11 +84,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_21 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_21() {
         try {
+            nmsEntityByteDataWatcherField = ReflectionUtils.findDeclaredField(net.minecraft.world.entity.Entity.class, DataWatcherObject.class, "DATA_SHARED_FLAGS_ID", "ap");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = ReflectionUtils.findDeclaredField(PersistentIdCounts.class, Object2IntMap.class, "usedAuxIds", "b");
         } catch (NoSuchFieldException e) {
@@ -199,6 +210,41 @@ public class V1_21 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.ar();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.c<?>> dataWatchers = Collections.singletonList(DataWatcher.c.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().c.sendPacket((Packet<?>) packet);
@@ -238,4 +284,25 @@ public class V1_21 extends NMSWrapper {
         nmsItemStack.b(DataComponentPatch.a().a(DataComponents.b, CustomData.a(tag)).a());
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        ItemLore itemLore = nmsItemStack.a(DataComponents.i, ItemLore.a);
+        List<IChatBaseComponent> loreLines = new ArrayList<>(itemLore.a());
+        loreLines.add(0, IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false)));
+        nmsItemStack.b(DataComponentPatch.a().a(DataComponents.i, new ItemLore(loreLines)).a());
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK_OF_THE_SEA, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_21_1/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_21_1</artifactId>

V1_21_1/src/main/java/com/loohp/imageframe/nms/V1_21_1.java

@@ -25,20 +25,24 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.ReflectionUtils;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
 import net.minecraft.core.Holder;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
 import net.minecraft.world.entity.player.EntityHuman;
 import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.item.component.ItemLore;
 import net.minecraft.world.level.saveddata.maps.MapDecorationType;
 import net.minecraft.world.level.saveddata.maps.MapIcon;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -46,17 +50,22 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_21_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_21_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_21_R1.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_21_R1.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_21_R1.map.CraftMapCursor;
 import org.bukkit.craftbukkit.v1_21_R1.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_21_R1.map.RenderData;
 import org.bukkit.craftbukkit.v1_21_R1.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -75,11 +84,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_21_1 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_21_1() {
         try {
+            nmsEntityByteDataWatcherField = ReflectionUtils.findDeclaredField(net.minecraft.world.entity.Entity.class, DataWatcherObject.class, "DATA_SHARED_FLAGS_ID", "ap");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = ReflectionUtils.findDeclaredField(PersistentIdCounts.class, Object2IntMap.class, "usedAuxIds", "b");
         } catch (NoSuchFieldException e) {
@@ -199,6 +210,41 @@ public class V1_21_1 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.ar();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.c<?>> dataWatchers = Collections.singletonList(DataWatcher.c.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().c.sendPacket((Packet<?>) packet);
@@ -238,4 +284,25 @@ public class V1_21_1 extends NMSWrapper {
         nmsItemStack.b(DataComponentPatch.a().a(DataComponents.b, CustomData.a(tag)).a());
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        ItemLore itemLore = nmsItemStack.a(DataComponents.i, ItemLore.a);
+        List<IChatBaseComponent> loreLines = new ArrayList<>(itemLore.a());
+        loreLines.add(0, IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false)));
+        nmsItemStack.b(DataComponentPatch.a().a(DataComponents.i, new ItemLore(loreLines)).a());
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK_OF_THE_SEA, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_21_2/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_21_2</artifactId>

V1_21_2/src/main/java/com/loohp/imageframe/nms/V1_21_2.java

@@ -25,20 +25,24 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.ReflectionUtils;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
 import net.minecraft.core.Holder;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
 import net.minecraft.world.entity.player.EntityHuman;
 import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.item.component.ItemLore;
 import net.minecraft.world.level.saveddata.maps.MapDecorationType;
 import net.minecraft.world.level.saveddata.maps.MapIcon;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -46,17 +50,22 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_21_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_21_R2.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_21_R2.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_21_R2.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_21_R2.map.CraftMapCursor;
 import org.bukkit.craftbukkit.v1_21_R2.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_21_R2.map.RenderData;
 import org.bukkit.craftbukkit.v1_21_R2.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -75,11 +84,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_21_2 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_21_2() {
         try {
+            nmsEntityByteDataWatcherField = ReflectionUtils.findDeclaredField(net.minecraft.world.entity.Entity.class, DataWatcherObject.class, "DATA_SHARED_FLAGS_ID", "am");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = ReflectionUtils.findDeclaredField(PersistentIdCounts.class, Object2IntMap.class, "usedAuxIds", "b");
         } catch (NoSuchFieldException e) {
@@ -199,6 +210,41 @@ public class V1_21_2 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.au();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.c<?>> dataWatchers = Collections.singletonList(DataWatcher.c.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().f.sendPacket((Packet<?>) packet);
@@ -238,4 +284,25 @@ public class V1_21_2 extends NMSWrapper {
         nmsItemStack.b(DataComponentPatch.a().a(DataComponents.b, CustomData.a(tag)).a());
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        ItemLore itemLore = nmsItemStack.a(DataComponents.j, ItemLore.a);
+        List<IChatBaseComponent> loreLines = new ArrayList<>(itemLore.a());
+        loreLines.add(0, IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false)));
+        nmsItemStack.b(DataComponentPatch.a().a(DataComponents.j, new ItemLore(loreLines)).a());
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK_OF_THE_SEA, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_21_3/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_21_3</artifactId>

V1_21_3/src/main/java/com/loohp/imageframe/nms/V1_21_3.java

@@ -25,20 +25,24 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.ReflectionUtils;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
 import net.minecraft.core.Holder;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
 import net.minecraft.world.entity.player.EntityHuman;
 import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.item.component.ItemLore;
 import net.minecraft.world.level.saveddata.maps.MapDecorationType;
 import net.minecraft.world.level.saveddata.maps.MapIcon;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -46,17 +50,22 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_21_R2.CraftWorld;
+import org.bukkit.craftbukkit.v1_21_R2.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_21_R2.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_21_R2.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_21_R2.map.CraftMapCursor;
 import org.bukkit.craftbukkit.v1_21_R2.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_21_R2.map.RenderData;
 import org.bukkit.craftbukkit.v1_21_R2.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -75,11 +84,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_21_3 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_21_3() {
         try {
+            nmsEntityByteDataWatcherField = ReflectionUtils.findDeclaredField(net.minecraft.world.entity.Entity.class, DataWatcherObject.class, "DATA_SHARED_FLAGS_ID", "am");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = ReflectionUtils.findDeclaredField(PersistentIdCounts.class, Object2IntMap.class, "usedAuxIds", "b");
         } catch (NoSuchFieldException e) {
@@ -199,6 +210,40 @@ public class V1_21_3 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.au();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.c<?>> dataWatchers = Collections.singletonList(DataWatcher.c.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().f.sendPacket((Packet<?>) packet);
@@ -238,4 +283,25 @@ public class V1_21_3 extends NMSWrapper {
         nmsItemStack.b(DataComponentPatch.a().a(DataComponents.b, CustomData.a(tag)).a());
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        ItemLore itemLore = nmsItemStack.a(DataComponents.j, ItemLore.a);
+        List<IChatBaseComponent> loreLines = new ArrayList<>(itemLore.a());
+        loreLines.add(0, IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false)));
+        nmsItemStack.b(DataComponentPatch.a().a(DataComponents.j, new ItemLore(loreLines)).a());
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK_OF_THE_SEA, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
 }

V1_21_4/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-V1_21_4</artifactId>

V1_21_4/src/main/java/com/loohp/imageframe/nms/V1_21_4.java

@@ -25,20 +25,24 @@ import com.loohp.imageframe.objectholders.MutablePair;
 import com.loohp.imageframe.utils.ReflectionUtils;
 import com.loohp.imageframe.utils.UUIDUtils;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import net.minecraft.EnumChatFormat;
 import net.minecraft.core.Holder;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.chat.ChatModifier;
 import net.minecraft.network.chat.IChatBaseComponent;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.game.PacketPlayOutEntityMetadata;
 import net.minecraft.network.protocol.game.PacketPlayOutMap;
 import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.entity.decoration.EntityItemFrame;
 import net.minecraft.world.entity.player.EntityHuman;
 import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.item.component.ItemLore;
 import net.minecraft.world.level.saveddata.maps.MapDecorationType;
 import net.minecraft.world.level.saveddata.maps.MapIcon;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -46,17 +50,22 @@ import net.minecraft.world.level.saveddata.maps.PersistentIdCounts;
 import net.minecraft.world.level.saveddata.maps.WorldMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_21_R3.CraftWorld;
+import org.bukkit.craftbukkit.v1_21_R3.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_21_R3.entity.CraftPlayer;
 import org.bukkit.craftbukkit.v1_21_R3.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v1_21_R3.map.CraftMapCursor;
 import org.bukkit.craftbukkit.v1_21_R3.map.CraftMapView;
 import org.bukkit.craftbukkit.v1_21_R3.map.RenderData;
 import org.bukkit.craftbukkit.v1_21_R3.util.CraftChatMessage;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.map.MapCursor;
 import org.bukkit.map.MapView;
 
@@ -75,11 +84,13 @@ import java.util.stream.Collectors;
 @SuppressWarnings("unused")
 public class V1_21_4 extends NMSWrapper {
 
+    private final Field nmsEntityByteDataWatcherField;
     private final Field craftMapViewWorldMapField;
     private final Field persistentIdCountsUsedAuxIdsField;
 
     public V1_21_4() {
         try {
+            nmsEntityByteDataWatcherField = ReflectionUtils.findDeclaredField(net.minecraft.world.entity.Entity.class, DataWatcherObject.class, "DATA_SHARED_FLAGS_ID", "am");
             craftMapViewWorldMapField = CraftMapView.class.getDeclaredField("worldMap");
             persistentIdCountsUsedAuxIdsField = ReflectionUtils.findDeclaredField(PersistentIdCounts.class, Object2IntMap.class, "usedAuxIds", "b");
         } catch (NoSuchFieldException e) {
@@ -199,6 +210,41 @@ public class V1_21_4 extends NMSWrapper {
         return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
     }
 
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing) {
+        try {
+            int entityId = entity.getEntityId();
+            net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+
+            nmsEntityByteDataWatcherField.setAccessible(true);
+
+            DataWatcher watcher = nmsEntity.au();
+            DataWatcherObject<Byte> byteField = (DataWatcherObject<Byte>) nmsEntityByteDataWatcherField.get(null);
+            byte value = watcher.a(byteField);
+
+            if (invisible != null) {
+                if (invisible) {
+                    value = (byte) (value | 0x20);
+                } else {
+                    value = (byte) (value & ~0x20);
+                }
+            }
+            if (glowing != null) {
+                if (glowing) {
+                    value = (byte) (value | 0x40);
+                } else {
+                    value = (byte) (value & ~0x40);
+                }
+            }
+
+            List<DataWatcher.c<?>> dataWatchers = Collections.singletonList(DataWatcher.c.a(byteField, value));
+            return new PacketPlayOutEntityMetadata(entityId, dataWatchers);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void sendPacket(Player player, Object packet) {
         ((CraftPlayer) player).getHandle().f.sendPacket((Packet<?>) packet);
@@ -238,4 +284,26 @@ public class V1_21_4 extends NMSWrapper {
         nmsItemStack.b(DataComponentPatch.a().a(DataComponents.b, CustomData.a(tag)).a());
         return CraftItemStack.asCraftMirror(nmsItemStack);
     }
+
+    @Override
+    public ItemStack withInvisibleItemFrameMeta(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack);
+        ItemLore itemLore = nmsItemStack.a(DataComponents.j, ItemLore.a);
+        List<IChatBaseComponent> loreLines = new ArrayList<>(itemLore.a());
+        loreLines.add(0, IChatBaseComponent.c("effect.minecraft.invisibility").c(ChatModifier.a.c(EnumChatFormat.h).b(false)));
+        nmsItemStack.b(DataComponentPatch.a().a(DataComponents.j, new ItemLore(loreLines)).a());
+        ItemStack modified = CraftItemStack.asCraftMirror(nmsItemStack);
+        ItemMeta itemMeta = modified.getItemMeta();
+        if (itemMeta == null) {
+            return itemStack;
+        }
+        itemMeta.addEnchant(Enchantment.LUCK_OF_THE_SEA, 1, true);
+        itemMeta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
+        modified.setItemMeta(itemMeta);
+        return modified;
+    }
+
 }

abstraction/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.loohp</groupId>
         <artifactId>ImageFrame-Parent</artifactId>
-        <version>1.7.14.0</version>
+        <version>1.7.14.1</version>
     </parent>
 
     <artifactId>ImageFrame-Abstraction</artifactId>

abstraction/src/main/java/com/loohp/imageframe/nms/NMSWrapper.java

@@ -60,10 +60,14 @@ public abstract class NMSWrapper {
 
     public abstract Object createItemFrameItemChangePacket(int entityId, ItemStack itemStack);
 
+    public abstract Object createEntityFlagsPacket(Entity entity, Boolean invisible, Boolean glowing);
+
     public abstract void sendPacket(Player player, Object packet);
 
     public abstract CombinedMapItemInfo getCombinedMapItemInfo(ItemStack itemStack);
 
     public abstract ItemStack withCombinedMapItemInfo(ItemStack itemStack, CombinedMapItemInfo combinedMapItemInfo);
 
+    public abstract ItemStack withInvisibleItemFrameMeta(ItemStack itemStack);
+
 }

common/pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.loohp</groupId>
     <artifactId>ImageFrame</artifactId>
-    <version>1.7.14.0</version>
+    <version>1.7.14.1</version>
     <packaging>jar</packaging>
 
     <name>ImageFrame</name>

common/src/main/java/com/loohp/imageframe/Commands.java

@@ -42,7 +42,9 @@ import com.loohp.imageframe.updater.Updater;
 import com.loohp.imageframe.utils.ChatColorUtils;
 import com.loohp.imageframe.utils.HTTPRequestUtils;
 import com.loohp.imageframe.utils.ImageMapUtils;
+import com.loohp.imageframe.utils.MCVersion;
 import com.loohp.imageframe.utils.MapUtils;
+import com.loohp.imageframe.utils.MathUtils;
 import com.loohp.imageframe.utils.PlayerUtils;
 import net.md_5.bungee.api.ChatColor;
 import org.bukkit.Bukkit;
@@ -71,6 +73,7 @@ import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+import java.util.PrimitiveIterator;
 import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -1278,6 +1281,49 @@ public class Commands implements CommandExecutor, TabCompleter {
                 sender.sendMessage(ImageFrame.messageNoPermission);
             }
             return true;
+        } else if (args[0].equalsIgnoreCase("giveinvisibleframe")) {
+            if (args.length > 1) {
+                if (sender.hasPermission("imageframe.giveinvisibleframe")) {
+                    Player target;
+                    if (args.length > 3) {
+                        target = Bukkit.getPlayer(args[3]);
+                        if (target == null) {
+                            sender.sendMessage(ImageFrame.messagePlayerNotFound);
+                            return true;
+                        }
+                    } else if (!(sender instanceof Player)) {
+                        sender.sendMessage(ImageFrame.messageNoConsole);
+                        return true;
+                    } else {
+                        target = (Player) sender;
+                    }
+                    String type = args[1];
+                    int amount = 1;
+                    try {
+                        amount = args.length > 2 ? Integer.parseInt(args[2]) : 1;
+                    } catch (NumberFormatException ignore) {
+                    }
+                    amount = Math.max(1, amount);
+                    ItemStack itemStack;
+                    if (type.equalsIgnoreCase("glowing") && ImageFrame.version.isNewerOrEqualTo(MCVersion.V1_17)) {
+                        itemStack = new ItemStack(Material.valueOf("GLOW_ITEM_FRAME"));
+                    } else {
+                        itemStack = new ItemStack(Material.ITEM_FRAME);
+                    }
+                    ItemStack modified = ImageFrame.invisibleFrameManager.withInvisibleItemFrameData(itemStack);
+                    for (PrimitiveIterator.OfInt itr = MathUtils.splitToChunksOf(amount, 64); itr.hasNext();) {
+                        ItemStack finalStack = modified.clone();
+                        finalStack.setAmount(itr.nextInt());
+                        target.getWorld().dropItem(target.getEyeLocation(), finalStack).setVelocity(new Vector(0, 0, 0));
+                    }
+                    sender.sendMessage(ImageFrame.messageGivenInvisibleFrame.replace("{Amount}", String.valueOf(amount)).replace("{Player}", target.getName()));
+                } else {
+                    sender.sendMessage(ImageFrame.messageNoPermission);
+                }
+            } else {
+                sender.sendMessage(ImageFrame.messageInvalidUsage);
+            }
+            return true;
         }
 
         sender.sendMessage(ChatColorUtils.translateAlternateColorCodes('&', Bukkit.spigot().getConfig().getString("messages.unknown-command")));
@@ -1350,6 +1396,9 @@ public class Commands implements CommandExecutor, TabCompleter {
                 if (sender.hasPermission("imageframe.preference")) {
                     tab.add("preference");
                 }
+                if (sender.hasPermission("imageframe.giveinvisibleframe")) {
+                    tab.add("giveinvisibleframe");
+                }
                 return tab;
             case 1:
                 if (sender.hasPermission("imageframe.reload")) {
@@ -1452,6 +1501,11 @@ public class Commands implements CommandExecutor, TabCompleter {
                         tab.add("preference");
                     }
                 }
+                if (sender.hasPermission("imageframe.giveinvisibleframe")) {
+                    if ("giveinvisibleframe".startsWith(args[0].toLowerCase())) {
+                        tab.add("giveinvisibleframe");
+                    }
+                }
                 return tab;
             case 2:
                 if (sender.hasPermission("imageframe.create")) {
@@ -1579,6 +1633,16 @@ public class Commands implements CommandExecutor, TabCompleter {
                         }
                     }
                 }
+                if (sender.hasPermission("imageframe.giveinvisibleframe")) {
+                    if ("giveinvisibleframe".equalsIgnoreCase(args[0])) {
+                        if ("regular".startsWith(args[1].toLowerCase())) {
+                            tab.add("regular");
+                        }
+                        if (ImageFrame.version.isNewerOrEqualTo(MCVersion.V1_17) && "glowing".startsWith(args[1].toLowerCase())) {
+                            tab.add("glowing");
+                        }
+                    }
+                }
                 return tab;
             case 3:
                 if (sender.hasPermission("imageframe.create")) {
@@ -1680,6 +1744,11 @@ public class Commands implements CommandExecutor, TabCompleter {
                         }
                     }
                 }
+                if (sender.hasPermission("imageframe.giveinvisibleframe")) {
+                    if ("giveinvisibleframe".equalsIgnoreCase(args[0])) {
+                        tab.add("<amount>");
+                    }
+                }
                 return tab;
             case 4:
                 if (sender.hasPermission("imageframe.create")) {
@@ -1776,6 +1845,15 @@ public class Commands implements CommandExecutor, TabCompleter {
                         }
                     }
                 }
+                if (sender.hasPermission("imageframe.giveinvisibleframe")) {
+                    if ("giveinvisibleframe".equalsIgnoreCase(args[0])) {
+                        for (Player player : Bukkit.getOnlinePlayers()) {
+                            if (player.getName().toLowerCase().startsWith(args[3].toLowerCase())) {
+                                tab.add(player.getName());
+                            }
+                        }
+                    }
+                }
                 return tab;
             case 5:
                 if (sender.hasPermission("imageframe.create")) {

common/src/main/java/com/loohp/imageframe/ImageFrame.java

@@ -22,6 +22,7 @@ package com.loohp.imageframe;
 
 import com.loohp.imageframe.config.Config;
 import com.loohp.imageframe.debug.Debug;
+import com.loohp.imageframe.invisibleframe.InvisibleFrameManager;
 import com.loohp.imageframe.listeners.Events;
 import com.loohp.imageframe.metrics.Charts;
 import com.loohp.imageframe.metrics.Metrics;
@@ -135,6 +136,7 @@ public class ImageFrame extends JavaPlugin {
     public static String messageMarkersNotRenderOnFrameWarning;
     public static String messageMarkersLimitReached;
     public static String messageInvalidOverlayMap;
+    public static String messageGivenInvisibleFrame;
 
     public static SimpleDateFormat dateFormat;
 
@@ -162,6 +164,9 @@ public class ImageFrame extends JavaPlugin {
     public static boolean handleAnimatedMapsOnMainThread;
     public static boolean sendAnimatedMapsOnMainThread;
 
+    public static int invisibleFrameMaxConversionsPerSplash;
+    public static boolean invisibleFrameGlowEmptyFrames;
+
     public static Set<CommandSender> processingMapCreation;
 
     public static ImageMapManager imageMapManager;
@@ -171,6 +176,7 @@ public class ImageFrame extends JavaPlugin {
     public static CombinedMapItemHandler combinedMapItemHandler;
     public static AnimatedFakeMapManager animatedFakeMapManager;
     public static RateLimitedPacketSendingManager rateLimitedPacketSendingManager;
+    public static InvisibleFrameManager invisibleFrameManager;
 
     public static boolean isURLAllowed(String link) {
         if (!restrictImageUrlEnabled) {
@@ -307,6 +313,7 @@ public class ImageFrame extends JavaPlugin {
         animatedFakeMapManager = new AnimatedFakeMapManager();
         rateLimitedPacketSendingManager = new RateLimitedPacketSendingManager();
         Scheduler.runTaskAsynchronously(this, () -> imageMapManager.loadMaps());
+        invisibleFrameManager = new InvisibleFrameManager();
 
         getServer().getConsoleSender().sendMessage(ChatColor.GREEN + "[ImageFrame] ImageFrame has been Enabled!");
     }
@@ -391,6 +398,7 @@ public class ImageFrame extends JavaPlugin {
         messageMarkersNotRenderOnFrameWarning = ChatColorUtils.translateAlternateColorCodes('&', config.getConfiguration().getString("Messages.Markers.NotRenderOnFrameWarning"));
         messageMarkersLimitReached = ChatColorUtils.translateAlternateColorCodes('&', config.getConfiguration().getString("Messages.Markers.LimitReached"));
         messageInvalidOverlayMap = ChatColorUtils.translateAlternateColorCodes('&', config.getConfiguration().getString("Messages.InvalidOverlayMap"));
+        messageGivenInvisibleFrame = ChatColorUtils.translateAlternateColorCodes('&', config.getConfiguration().getString("Messages.GivenInvisibleFrame"));
 
         dateFormat = new SimpleDateFormat(config.getConfiguration().getString("Messages.DateFormat"));
 
@@ -445,6 +453,9 @@ public class ImageFrame extends JavaPlugin {
         handleAnimatedMapsOnMainThread = config.getConfiguration().getBoolean("Settings.HandleAnimatedMapsOnMainThread");
         sendAnimatedMapsOnMainThread = config.getConfiguration().getBoolean("Settings.SendAnimatedMapsOnMainThread");
 
+        invisibleFrameMaxConversionsPerSplash = config.getConfiguration().getInt("InvisibleFrame.MaxConversionsPerSplash");
+        invisibleFrameGlowEmptyFrames = config.getConfiguration().getBoolean("InvisibleFrame.GlowEmptyFrames");
+
         if (updaterTask != null) {
             updaterTask.cancel();
         }

common/src/main/java/com/loohp/imageframe/invisibleframe/InvisibleFrameManager.java

@@ -0,0 +1,392 @@
+/*
+ * This file is part of ImageFrame.
+ *
+ * Copyright (C) 2025. LoohpJames <jamesloohp@gmail.com>
+ * Copyright (C) 2025. Contributors
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+package com.loohp.imageframe.invisibleframe;
+
+import com.loohp.imageframe.ImageFrame;
+import com.loohp.imageframe.nms.NMS;
+import com.loohp.imageframe.objectholders.Scheduler;
+import com.loohp.imageframe.utils.MCVersion;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
+import org.bukkit.Sound;
+import org.bukkit.SoundCategory;
+import org.bukkit.entity.AreaEffectCloud;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Item;
+import org.bukkit.entity.ItemFrame;
+import org.bukkit.entity.ThrownPotion;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.AreaEffectCloudApplyEvent;
+import org.bukkit.event.entity.EntityDamageByEntityEvent;
+import org.bukkit.event.entity.EntitySpawnEvent;
+import org.bukkit.event.entity.ItemSpawnEvent;
+import org.bukkit.event.entity.LingeringPotionSplashEvent;
+import org.bukkit.event.entity.PotionSplashEvent;
+import org.bukkit.event.hanging.HangingBreakEvent;
+import org.bukkit.event.hanging.HangingPlaceEvent;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.inventory.CraftingRecipe;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.RecipeChoice;
+import org.bukkit.inventory.ShapelessRecipe;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.persistence.PersistentDataType;
+import org.bukkit.potion.PotionEffectType;
+import org.bukkit.potion.PotionType;
+import org.bukkit.util.BoundingBox;
+import org.bukkit.util.Vector;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicReference;
+
+public class InvisibleFrameManager implements Listener {
+
+    public static final NamespacedKey INVISIBLE_GLOW_ITEM_FRAME_CRAFTING_KEY = new NamespacedKey(ImageFrame.plugin, "invisible_glow_item_frame");
+    public static final NamespacedKey INVISIBLE_KEY = new NamespacedKey(ImageFrame.plugin, "invisible");
+
+    private final Map<UUID, Location> removedInvisibleFrames;
+    private final Set<UUID> knownAreaEffectClouds;
+
+    public InvisibleFrameManager() {
+        this.removedInvisibleFrames = new ConcurrentHashMap<>();
+        this.knownAreaEffectClouds = ConcurrentHashMap.newKeySet();
+        Bukkit.getPluginManager().registerEvents(this, ImageFrame.plugin);
+        if (ImageFrame.version.isNewerOrEqualTo(MCVersion.V1_17)) {
+            addRecipes();
+        }
+    }
+
+    private void addRecipes() {
+        ItemStack result = new ItemStack(Material.valueOf("GLOW_ITEM_FRAME"));
+        CraftingRecipe vanillaRecipe = (CraftingRecipe) Bukkit.getRecipesFor(result).stream()
+                .filter(r -> r instanceof CraftingRecipe)
+                .findFirst()
+                .orElse(null);
+        ShapelessRecipe recipe = new ShapelessRecipe(INVISIBLE_GLOW_ITEM_FRAME_CRAFTING_KEY, withInvisibleItemFrameData(result))
+                .addIngredient(Material.valueOf("GLOW_INK_SAC"))
+                .addIngredient(new RecipeChoice.ExactChoice(withInvisibleItemFrameData(new ItemStack(Material.ITEM_FRAME))));
+        if (vanillaRecipe != null) {
+            recipe.setCategory(vanillaRecipe.getCategory());
+            recipe.setGroup(vanillaRecipe.getGroup());
+        }
+        Bukkit.addRecipe(recipe);
+        Bukkit.updateRecipes();
+    }
+
+    public ItemStack withInvisibleItemFrameData(ItemStack itemStack) {
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            return itemStack;
+        }
+        if (isInvisibleItemFrame(itemStack)) {
+            return itemStack;
+        }
+        ItemStack modified = NMS.getInstance().withInvisibleItemFrameMeta(itemStack);
+        ItemMeta meta = modified.getItemMeta();
+        if (meta == null) {
+            return itemStack;
+        }
+        meta.getPersistentDataContainer().set(INVISIBLE_KEY, PersistentDataType.BYTE, (byte) 1);
+        modified.setItemMeta(meta);
+        return modified;
+    }
+
+    public boolean isInvisibleItemFrame(ItemStack itemStack) {
+        if (itemStack == null || !itemStack.hasItemMeta()) {
+            return false;
+        }
+        ItemMeta meta = itemStack.getItemMeta();
+        if (meta == null) {
+            return false;
+        }
+        return meta.getPersistentDataContainer().getOrDefault(INVISIBLE_KEY, PersistentDataType.BYTE, (byte) 0) > 0;
+    }
+
+    public void setInvisibleItemFrameData(Entity entity) {
+        if (entity instanceof ItemFrame) {
+            entity.getPersistentDataContainer().set(INVISIBLE_KEY, PersistentDataType.BYTE, (byte) 1);
+        }
+    }
+
+    public boolean isInvisibleItemFrame(Entity entity) {
+        return entity instanceof ItemFrame && entity.getPersistentDataContainer().getOrDefault(INVISIBLE_KEY, PersistentDataType.BYTE, (byte) 0) > 0;
+    }
+
+    @SuppressWarnings("ConstantValue")
+    public void updateInvisibleItemFrame(ItemFrame itemFrame) {
+        if (!itemFrame.isValid()) {
+            return;
+        }
+        ItemStack itemStack = itemFrame.getItem();
+        if (itemStack == null || itemStack.getType().equals(Material.AIR)) {
+            if (ImageFrame.invisibleFrameGlowEmptyFrames) {
+                itemFrame.setGlowing(true);
+            }
+            itemFrame.setInvisible(false);
+        } else {
+            itemFrame.setGlowing(false);
+            itemFrame.setInvisible(true);
+        }
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPlace(HangingPlaceEvent event) {
+        if (!isInvisibleItemFrame(event.getItemStack())) {
+            return;
+        }
+        Entity entity = event.getEntity();
+        if (!(entity instanceof ItemFrame)) {
+            return;
+        }
+        Location location = entity.getLocation();
+        setInvisibleItemFrameData(entity);
+        Scheduler.runTaskLater(ImageFrame.plugin, () ->  updateInvisibleItemFrame((ItemFrame) entity), 1, location);
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBreak(HangingBreakEvent event) {
+        Entity entity = event.getEntity();
+        if (!isInvisibleItemFrame(entity)) {
+            return;
+        }
+        UUID uuid = entity.getUniqueId();
+        Location location = entity.getLocation();
+        removedInvisibleFrames.put(uuid, entity.getLocation());
+        Scheduler.runTaskLater(ImageFrame.plugin, () -> removedInvisibleFrames.remove(uuid), 1, location);
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onItemSpawn(ItemSpawnEvent event) {
+        Item item = event.getEntity();
+        ItemStack itemStack = item.getItemStack();
+        String type = itemStack.getType().name();
+        if (!type.equals("ITEM_FRAME") && !type.equals("GLOW_ITEM_FRAME")) {
+            return;
+        }
+        if (isInvisibleItemFrame(itemStack)) {
+            return;
+        }
+        for (Iterator<Map.Entry<UUID, Location>> itr = removedInvisibleFrames.entrySet().iterator(); itr.hasNext();) {
+            Map.Entry<UUID, Location> entry = itr.next();
+            Location location = entry.getValue();
+            if (location.getWorld().equals(item.getWorld())) {
+                BoundingBox boundingBox = BoundingBox.of(location, 1, 1, 1);
+                if (boundingBox.contains(item.getLocation().toVector())) {
+                    ItemStack modified = withInvisibleItemFrameData(itemStack);
+                    item.setItemStack(modified);
+                    itr.remove();
+                    break;
+                }
+            }
+        }
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPlaceItem(PlayerInteractEntityEvent event) {
+        Entity entity = event.getRightClicked();
+        if (!(entity instanceof ItemFrame)) {
+            return;
+        }
+        Location location = entity.getLocation();
+        Scheduler.runTaskLater(ImageFrame.plugin, () -> updateInvisibleItemFrame((ItemFrame) entity), 1, location);
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onRemoveItem(EntityDamageByEntityEvent event) {
+        Entity entity = event.getEntity();
+        if (!(entity instanceof ItemFrame)) {
+            return;
+        }
+        Location location = entity.getLocation();
+        Scheduler.runTaskLater(ImageFrame.plugin, () -> updateInvisibleItemFrame((ItemFrame) entity), 1, location);
+    }
+
+    public ItemStack splitItemStacks(ItemStack itemStack, int maxSize) {
+        if (maxSize < 0) {
+            return null;
+        }
+        int amount = itemStack.getAmount();
+        if (amount <= maxSize) {
+            return null;
+        }
+        itemStack.setAmount(maxSize);
+        ItemStack splitStack = itemStack.clone();
+        splitStack.setAmount(amount - maxSize);
+        return splitStack;
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPotionSplash(PotionSplashEvent event) {
+        ThrownPotion thrownPotion = event.getEntity();
+        if (thrownPotion.getEffects().stream().noneMatch(e -> e.getType().equals(PotionEffectType.INVISIBILITY))) {
+            return;
+        }
+        int conversionsRemaining = ImageFrame.invisibleFrameMaxConversionsPerSplash;
+        BoundingBox boundingBox = thrownPotion.getBoundingBox().expand(4.0, 2.0, 4.0);
+        for (Entity entity : thrownPotion.getWorld().getNearbyEntities(boundingBox)) {
+            if (conversionsRemaining == 0) {
+                break;
+            }
+            if (!(entity instanceof Item)) {
+                continue;
+            }
+            Item item = (Item) entity;
+            ItemStack itemStack = item.getItemStack();
+            String type = itemStack.getType().name();
+            if (!type.equals("ITEM_FRAME") && !type.equals("GLOW_ITEM_FRAME")) {
+                continue;
+            }
+            if (isInvisibleItemFrame(itemStack)) {
+                continue;
+            }
+            if (entity.getLocation().distanceSquared(thrownPotion.getLocation()) < 16.0D) {
+                ItemStack splitStack = splitItemStacks(itemStack, conversionsRemaining);
+                Location location = item.getLocation();
+                if (itemStack.getAmount() > 0) {
+                    item.setItemStack(withInvisibleItemFrameData(itemStack));
+                    item.getWorld().playSound(item.getLocation(), Sound.BLOCK_ENCHANTMENT_TABLE_USE, SoundCategory.BLOCKS, 1F, 1F);
+                } else {
+                    item.remove();
+                }
+                Vector velocity = null;
+                if (splitStack != null) {
+                    Item splitItem = thrownPotion.getWorld().dropItem(location, splitStack);
+                    velocity = splitItem.getVelocity();
+                    splitItem.setVelocity(new Vector(0, 0, 0));
+                }
+                if (velocity != null) {
+                    item.setVelocity(velocity);
+                }
+                if (conversionsRemaining >= 0) {
+                    conversionsRemaining = Math.max(0, conversionsRemaining - itemStack.getAmount());
+                }
+            }
+        }
+    }
+
+    private boolean hasInvisibilityEffect(AreaEffectCloud areaEffectCloud) {
+        PotionType baseType = areaEffectCloud.getBasePotionType();
+        if (baseType != null) {
+            if (baseType.getPotionEffects().stream().anyMatch(e -> e.getType().equals(PotionEffectType.INVISIBILITY))) {
+                return true;
+            }
+        }
+        return areaEffectCloud.hasCustomEffect(PotionEffectType.INVISIBILITY);
+    }
+
+    private void handleAreaEffectCloud(AreaEffectCloud areaEffectCloud) {
+        UUID uuid = areaEffectCloud.getUniqueId();
+        if (!knownAreaEffectClouds.add(uuid)) {
+            return;
+        }
+        AtomicReference<Runnable> runnableReference = new AtomicReference<>(null);
+        AtomicReference<Scheduler.ScheduledTask> taskReference = new AtomicReference<>(null);
+        runnableReference.set(new Runnable() {
+            int conversionsRemaining = ImageFrame.invisibleFrameMaxConversionsPerSplash;
+            boolean firstTick = true;
+            @Override
+            public void run() {
+                if (firstTick) {
+                    firstTick = false;
+                } else if (!areaEffectCloud.isValid()) {
+                    Scheduler.ScheduledTask task = taskReference.get();
+                    if (task != null) {
+                        task.cancel();
+                    }
+                    knownAreaEffectClouds.remove(uuid);
+                    return;
+                }
+                taskReference.set(Scheduler.runTaskLater(ImageFrame.plugin, runnableReference.get(), 1, areaEffectCloud.getLocation()));
+                if (!hasInvisibilityEffect(areaEffectCloud)) {
+                    return;
+                }
+                if (areaEffectCloud.getTicksLived() % 5 != 0) {
+                    return;
+                }
+                BoundingBox boundingBox = areaEffectCloud.getBoundingBox();
+                for (Entity entity : areaEffectCloud.getWorld().getNearbyEntities(boundingBox)) {
+                    if (conversionsRemaining == 0) {
+                        break;
+                    }
+                    if (!(entity instanceof Item)) {
+                        continue;
+                    }
+                    Item item = (Item) entity;
+                    ItemStack itemStack = item.getItemStack();
+                    String type = itemStack.getType().name();
+                    if (!type.equals("ITEM_FRAME") && !type.equals("GLOW_ITEM_FRAME")) {
+                        continue;
+                    }
+                    if (isInvisibleItemFrame(itemStack)) {
+                        continue;
+                    }
+                    ItemStack splitStack = splitItemStacks(itemStack, conversionsRemaining);
+                    Location location = item.getLocation();
+                    if (itemStack.getAmount() > 0) {
+                        item.setItemStack(withInvisibleItemFrameData(itemStack));
+                        item.getWorld().playSound(item.getLocation(), Sound.BLOCK_ENCHANTMENT_TABLE_USE, SoundCategory.BLOCKS, 1F, 1F);
+                    } else {
+                        item.remove();
+                    }
+                    Vector velocity = null;
+                    if (splitStack != null) {
+                        Item splitItem = areaEffectCloud.getWorld().dropItem(location, splitStack);
+                        velocity = splitItem.getVelocity();
+                        splitItem.setVelocity(new Vector(0, 0, 0));
+                    }
+                    if (velocity != null) {
+                        item.setVelocity(velocity);
+                    }
+                    if (conversionsRemaining >= 0) {
+                        conversionsRemaining = Math.max(0, conversionsRemaining - itemStack.getAmount());
+                    }
+                }
+            }
+        });
+        runnableReference.get().run();
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPotionLinger(EntitySpawnEvent event) {
+        Entity entity = event.getEntity();
+        if (entity instanceof AreaEffectCloud) {
+            handleAreaEffectCloud((AreaEffectCloud) entity);
+        }
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onPotionLinger(LingeringPotionSplashEvent event) {
+        handleAreaEffectCloud(event.getAreaEffectCloud());
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onAreaEffectCloudApply(AreaEffectCloudApplyEvent event) {
+        handleAreaEffectCloud(event.getEntity());
+    }
+
+}

common/src/main/java/com/loohp/imageframe/utils/MathUtils.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of ImageFrame.
+ *
+ * Copyright (C) 2025. LoohpJames <jamesloohp@gmail.com>
+ * Copyright (C) 2025. Contributors
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+package com.loohp.imageframe.utils;
+
+import java.util.PrimitiveIterator;
+
+public class MathUtils {
+
+    public static PrimitiveIterator.OfInt splitToChunksOf(int value, int chunkSize) {
+        return new PrimitiveIterator.OfInt() {
+            private int currentValue = value;
+
+            @Override
+            public boolean hasNext() {
+                return currentValue > 0;
+            }
+
+            @Override
+            public int nextInt() {
+                int nextInt = Math.min(currentValue, chunkSize);
+                currentValue -= nextInt;
+                return nextInt;
+            }
+        };
+    }
+
+}

common/src/main/resources/config.yml

@@ -35,12 +35,13 @@ Messages:
   NotEnoughMaps: "&cYou do not have {Amount} maps!"
   Oversize: "&cThat is too big! Max size for a map is {MaxSize}"
   URLRestricted: "&cThat URL is restricted and cannot be used to create image maps."
-  PlayerCreationLimitReached: "&cYou can only create <Limit> maps at once! Delete some to create new ones"
+  PlayerCreationLimitReached: "&cYou can only create {Limit} maps at once! Delete some to create new ones"
   DuplicateMapName: "&cYou've already created an image map with that name!"
   MapLookup: "&bList of image maps by {CreatorName} ({CreatorUUID}):"
   ItemFrameOccupied: "&cFailed to place or remove some maps on selected ItemFrame, they are either destroyed, replaced, occupied or protected."
   NotEnoughSpace: "&cUnable to place Combined ImageMap as there is not enough room."
   InvalidImageMap: "&cThis image map had likely already been deleted."
+  GivenInvisibleFrame: "&aGiven {Amount} invisible item frames to {Player}."
   AccessPermission:
     Updated: "&aUpdated access for {PlayerName} ({PlayerUUID}), they now have {Permission} permission."
     Types:
@@ -138,6 +139,17 @@ Settings:
   HandleAnimatedMapsOnMainThread: false
   SendAnimatedMapsOnMainThread: false
 
+#ImageFrame's built in survival friendly way of making invisible item frames
+InvisibleFrame:
+  #Survival friendly way to get invisible item frames by splashing dropped items with invisibility potions
+  #Set to -1 for unlimited
+  #Set to 0 to disable
+  MaxConversionsPerSplash: 8
+  #Should empty invisible item frames glow
+  #Existing frames are not updated until they are interacted with
+  GlowEmptyFrames: true
+
+
 Hooks:
   ViaVersion:
     #Enable this if your players below 1.13 is having network issues

common/src/main/resources/plugin.yml

@@ -89,6 +89,9 @@ permissions:
   imageframe.preference.others:
     default: op
     description: Allow players to update other players' player preferences
+  imageframe.giveinvisibleframe:
+    default: op
+    description: Allow players to give invisible item frames
   imageframe.update:
     default: op
     description: Allows you receive update messages

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.loohp</groupId>
     <artifactId>ImageFrame-Parent</artifactId>
-    <version>1.7.14.0</version>
+    <version>1.7.14.1</version>
     <packaging>pom</packaging>
 
     <properties>