fix(forge): added index positioning

Author: danorris709

Libraries

@@ -154,6 +154,9 @@ private ForgeCommand createCommand(Class<?> clazz, Object instance) throws Comma
                         }
 
                         extraTabData.add(data.toArray(new Annotation[0]));
+                    } else {
+                        tabCompleters.add(null);
+                        extraTabData.add(null);
                     }
 
                     arguments.add(this.getInjectorFor(parameterTypes[i]));

forge/src/main/java/com/envyful/api/forge/command/ForgeCommandFactory.java

@@ -13,6 +13,7 @@
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -235,6 +236,11 @@ public void close() {}
 
     public <A> List<String> tabComplete(ICommandSender sender, String[] args) {
         TabCompleter<?, A> completer = (TabCompleter<?, A>) this.tabCompleters.get(args.length - 1);
+
+        if (completer == null) {
+            return Collections.emptyList();
+        }
+
         return completer.getCompletions(completer.getSenderClass().cast(sender), args, this.extraTabData.get(args.length - 1));
     }
 }