stuff

pom.xml

@@ -12,12 +12,13 @@
   <name>Letterbox</name>
 
   <properties>
-    <java.version>1.8</java.version>
+    <java.version>21</java.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
   <build>
-    <plugins>
+      <finalName>${project.name}</finalName>
+      <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
@@ -58,13 +59,23 @@
           <id>sonatype</id>
           <url>https://oss.sonatype.org/content/groups/public/</url>
       </repository>
+      <repository>
+          <id>brokkonaut</id>
+          <url>https://www.iani.de/nexus/content/groups/public</url>
+      </repository>
   </repositories>
 
   <dependencies>
       <dependency>
           <groupId>io.papermc.paper</groupId>
           <artifactId>paper-api</artifactId>
-          <version>1.20.4-R0.1-SNAPSHOT</version>
+          <version>1.20.6-R0.1-SNAPSHOT</version>
+          <scope>provided</scope>
+      </dependency>
+      <dependency>
+          <groupId>de.lunarakai</groupId>
+          <artifactId>LunarUtils</artifactId>
+          <version>0.0.2</version>
           <scope>provided</scope>
       </dependency>
   </dependencies>

src/main/java/de/lunarakai/letterbox/Letterbox.java

@@ -1,5 +1,7 @@
 package de.lunarakai.letterbox;
 
+import de.iani.cubesideutils.bukkit.commands.CommandRouter;
+import de.lunarakai.letterbox.commands.LetterboxGiveCommand;
 import org.bukkit.plugin.java.JavaPlugin;
 
 public final class Letterbox extends JavaPlugin {
@@ -7,6 +9,10 @@ public final class Letterbox extends JavaPlugin {
     @Override
     public void onEnable() {
         // Plugin startup logic
+        getServer().getPluginManager().registerEvents(new LetterboxListener(this), this);
+
+        CommandRouter commandRouter = new CommandRouter(getCommand("letterbox"));
+        commandRouter.addCommandMapping(new LetterboxGiveCommand(this), "give");
 
     }
 

src/main/java/de/lunarakai/letterbox/LetterboxItem.java

@@ -0,0 +1,81 @@
+package de.lunarakai.letterbox;
+
+import java.util.UUID;
+import java.util.logging.Level;
+import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
+import org.bukkit.block.Skull;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.inventory.meta.SkullMeta;
+import org.bukkit.persistence.PersistentDataContainer;
+import org.bukkit.persistence.PersistentDataType;
+
+public class LetterboxItem {
+    private Letterbox plugin;
+
+    private boolean isLetterbox;
+    private UUID owner;
+
+    private final NamespacedKey isLetterboxKey;
+    private final NamespacedKey ownerKey;
+
+    public LetterboxItem(Letterbox plugin) {
+        this.plugin = plugin;
+
+        isLetterboxKey = new NamespacedKey(plugin, "isLetterbox");
+        ownerKey = new NamespacedKey(plugin, "ownerPlayer");
+    }
+
+    public ItemStack createLetterboxItem(UUID owner) {
+
+        ItemStack letterboxItem = new ItemStack(Material.PLAYER_HEAD);
+        SkullMeta skullMeta = (SkullMeta) letterboxItem.getItemMeta();
+        ItemMeta meta = letterboxItem.getItemMeta();
+
+        PersistentDataContainer dataContainer = meta.getPersistentDataContainer();
+        dataContainer.set(getIsLetterboxKey(), PersistentDataType.BOOLEAN, true);
+        dataContainer.set(getOwnerKey(), PersistentDataType.STRING, owner.toString());
+
+        letterboxItem.setItemMeta(skullMeta);
+
+        return letterboxItem;
+    }
+
+    public NamespacedKey getIsLetterboxKey() {
+        return isLetterboxKey;
+    }
+
+    public NamespacedKey getOwnerKey() {
+        return ownerKey;
+    }
+
+    public boolean isLetterbox(BlockData blockData) {
+        boolean isLetterbox = false;
+        if(!(blockData instanceof Skull)) return false;
+        SkullMeta skullMeta = (SkullMeta) blockData;
+        try {
+            isLetterbox = Boolean.TRUE.equals(skullMeta.getPersistentDataContainer().get(getIsLetterboxKey(), PersistentDataType.BOOLEAN));
+        } catch (NullPointerException e) {
+            plugin.getLogger().log(Level.SEVERE, "Could not get isLetterbox item", e);
+        }
+        return isLetterbox;
+    }
+
+    public UUID getOwnerUUID(ItemStack letterboxItem) {
+        String uuidString = letterboxItem.getItemMeta().getPersistentDataContainer().get(getOwnerKey(), PersistentDataType.STRING);
+        UUID uuid = null;
+        if(uuidString != null) {
+            try {
+                uuid = UUID.fromString(uuidString);
+            } catch (IllegalArgumentException e) {
+                plugin.getLogger().log(Level.SEVERE, "Could not convert UUIDString to UUID", e);
+            }
+        }
+        return uuid;
+    }
+
+
+
+}

src/main/java/de/lunarakai/letterbox/LetterboxListener.java

@@ -0,0 +1,30 @@
+package de.lunarakai.letterbox;
+
+import org.bukkit.block.data.BlockData;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerInteractEvent;
+
+public class LetterboxListener implements Listener {
+    protected Letterbox plugin;
+
+    public LetterboxListener(Letterbox plugin) {
+        this.plugin = plugin;
+    }
+
+    @EventHandler
+    public void onPlayerInteract(PlayerInteractEvent event) {
+        if(event.getClickedBlock() == null) return;
+        if (!event.getAction().isRightClick()) return;
+        if(event.getClickedBlock() == null) return;
+
+        Player player = event.getPlayer();
+
+        LetterboxItem letterbox = new LetterboxItem(plugin);
+        BlockData data = event.getClickedBlock().getBlockData();
+        if(!letterbox.isLetterbox(data)) return;
+
+        player.sendMessage("Item is a Letterbox :3");
+    }
+}

src/main/java/de/lunarakai/letterbox/commands/LetterboxGiveCommand.java

@@ -0,0 +1,37 @@
+package de.lunarakai.letterbox.commands;
+
+import de.iani.cubesideutils.bukkit.commands.SubCommand;
+import de.iani.cubesideutils.bukkit.commands.exceptions.DisallowsCommandBlockException;
+import de.iani.cubesideutils.bukkit.commands.exceptions.IllegalSyntaxException;
+import de.iani.cubesideutils.bukkit.commands.exceptions.InternalCommandException;
+import de.iani.cubesideutils.bukkit.commands.exceptions.NoPermissionException;
+import de.iani.cubesideutils.bukkit.commands.exceptions.RequiresPlayerException;
+import de.iani.cubesideutils.commands.ArgsParser;
+import de.lunarakai.letterbox.Letterbox;
+import de.lunarakai.letterbox.LetterboxItem;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public class LetterboxGiveCommand extends SubCommand {
+    private Letterbox plugin;
+
+    public LetterboxGiveCommand(Letterbox plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    public boolean requiresPlayer() {
+        return true;
+    }
+
+    @Override
+    public boolean onCommand(CommandSender commandSender, Command command, String s, String s1, ArgsParser argsParser) throws DisallowsCommandBlockException, RequiresPlayerException, NoPermissionException, IllegalSyntaxException, InternalCommandException {
+        Player player = (Player) commandSender;
+        LetterboxItem letterboxItem = new LetterboxItem(plugin);
+        ItemStack itemStack = letterboxItem.createLetterboxItem(player.getUniqueId());
+        player.getInventory().addItem(itemStack);
+        return true;
+    }
+}

src/main/resources/plugin.yml

@@ -2,3 +2,6 @@ name: Letterbox
 version: '${project.version}'
 main: de.lunarakai.letterbox.Letterbox
 api-version: '1.20'
+commands:
+  letterbox:
+    description: Letterbox main command