Expand spawn command syntax and improve tab completion

Updated the spawn command to require an additional <mob> argument. Enhanced the tab completion functionality to provide context-sensitive suggestions based on the number of arguments.

.gitignore

@@ -8,6 +8,7 @@ build/
 .idea/modules.xml
 .idea/jarRepositories.xml
 .idea/compiler.xml
+.idea/uiDesigner.xml
 .idea/libraries/
 *.iws
 *.iml

src/main/java/com/alttd/custommobs/commands/subcommands/Spawn.java

@@ -14,6 +14,7 @@ import org.bukkit.World;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.*;
 
+import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 
@@ -122,7 +123,15 @@ public class Spawn extends SubCommand {
 
     @Override
     public List<String> getTabComplete(CommandSender commandSender, String[] args) {
-        return List.of();
+        return switch (args.length) {
+            case 2 -> MobTypes.MOB_TYPES.getAllMobTypes();
+            case 3 -> Arrays.stream(EntityType.values()).map(EntityType::name).toList();
+            case 4 -> Bukkit.getWorlds().stream().map(World::getName).toList();
+            case 5 -> commandSender instanceof Player player ? List.of(String.valueOf(player.getX())) : List.of("0");
+            case 6 -> commandSender instanceof Player player ? List.of(String.valueOf(player.getY())) : List.of("0");
+            case 7 -> commandSender instanceof Player player ? List.of(String.valueOf(player.getZ())) : List.of("0");
+            default -> List.of();
+        };
     }
 
     @Override

src/main/java/com/alttd/custommobs/config/Messages.java

@@ -28,7 +28,7 @@ public class Messages extends AbstractConfig {
 
         public static String HELP_MESSAGE_WRAPPER = "<gold>Main help:\n<commands></gold>";
         public static String HELP_MESSAGE = "<green>Show this menu: <gold>/cm help</gold></green>";
-        public static String SPAWN = "<green>Spawn a mob of a specific type: <gold>/cm spawn <mob_type> [<world> <x> <y> <z>]</gold></green>";
+        public static String SPAWN = "<green>Spawn a mob of a specific type: <gold>/cm spawn <mob_type> <mob> [<world> <x> <y> <z>]</gold></green>";
 
         @SuppressWarnings("unused")
         private static void load() {

src/main/java/com/alttd/custommobs/config/MobTypes.java

@@ -43,6 +43,10 @@ public class MobTypes extends AbstractConfig {
             return Optional.of(MOB_TYPES.get(name));
         }
 
+        public static List<String> getAllMobTypes() {
+            return MobTypes.MOB_TYPES.MOB_TYPES.keySet().stream().toList();
+        }
+
         @SuppressWarnings("unused")
         private static void load() {
             MOB_TYPES.clear();