owner null fix

src/main/java/de/thojo0/moreheadsounds/EventListener.java

@@ -21,6 +21,7 @@
 import org.bukkit.event.block.BlockDropItemEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.inventory.meta.SkullMeta;
+import org.bukkit.profile.PlayerProfile;
 
 public class EventListener implements Listener {
     // Mapping from texture hashes to lists of NamespacedKeys for sounds
@@ -82,29 +83,28 @@ public void onPlayerInteract(PlayerInteractEvent event) {
         // Get the block that was clicked
         Block block = event.getClickedBlock();
         // Check if the action was a right-click on a note block
-        if (event.getAction() != Action.RIGHT_CLICK_BLOCK || block.getType() != Material.NOTE_BLOCK) {
+        if (event.getAction() != Action.RIGHT_CLICK_BLOCK || block.getType() != Material.NOTE_BLOCK)
             return;
-        }
         // Get the data for the note block
         NoteBlock blockdata = (NoteBlock) block.getBlockData();
         // Check if the note block is associated with a custom head
-        if (blockdata.getInstrument() != Instrument.CUSTOM_HEAD) {
+        if (blockdata.getInstrument() != Instrument.CUSTOM_HEAD)
             return;
-        }
         // Get the block above the note block
         Block usedHead = block.getRelative(BlockFace.UP);
         // Check if the block above is a player head
-        if (usedHead.getType() != Material.PLAYER_HEAD) {
+        if (usedHead.getType() != Material.PLAYER_HEAD)
             return;
-        }
         // Get the skull data and texture hash for the player head
         Skull skull = (Skull) usedHead.getState();
-        String[] textureUrl = skull.getOwnerProfile().getTextures().getSkin().toString().split("/");
-        String textureHash = textureUrl[textureUrl.length - 1];
+        PlayerProfile owner = skull.getOwnerProfile();
+        // Check owner exist
+        if (owner == null)
+            return;
+        String textureHash = getTextureHash(owner);
         // Check if textureHash is defined
-        if (!textureToSounds.containsKey(textureHash)) {
+        if (!textureToSounds.containsKey(textureHash))
             return;
-        };
         // Get the possible sounds for the texture hash
         ArrayList<NamespacedKey> possibleSounds = textureToSounds.get(textureHash);
         // Set the note block sound based on the note value
@@ -124,10 +124,15 @@ public void onBlockDropItem(BlockDropItemEvent event) {
             // Get the metadata for the player head and its texture hash
             SkullMeta metaData = (SkullMeta) item.getItemStack().getItemMeta();
 
-            // Extracts the texture hash from the player head's skin URL
-            String[] textureUrl = metaData.getOwnerProfile().getTextures().getSkin().toString().split("/");
-            String textureHash = textureUrl[textureUrl.length - 1];
-
+            PlayerProfile owner = metaData.getOwnerProfile();
+            // Check owner exist
+            if (owner == null) {
+                // Try again from block instead of item
+                owner = ((Skull) event.getBlockState()).getOwnerProfile();
+                if (owner == null)
+                    continue;
+            }
+            String textureHash = getTextureHash(owner);
             // If the texture hash is in the textureToSounds map, remove the sound from the
             // metadata
             if (textureToSounds.containsKey(textureHash)) {
@@ -136,4 +141,10 @@ public void onBlockDropItem(BlockDropItemEvent event) {
             }
         }
     }
+
+    // Extracts the texture hash from the player head's skin URL
+    public static String getTextureHash(PlayerProfile owner) {
+        String[] textureUrl = owner.getTextures().getSkin().toString().split("/");
+        return textureUrl[textureUrl.length - 1];
+    }
 }