Add specific permissions to /npc controllable

src/main/java/net/citizensnpcs/command/CommandContext.java

@@ -101,6 +101,10 @@ public class CommandContext {
         this.args = copied.toArray(new String[copied.size()]);
     }
 
+    public CommandContext(String[] args) {
+        this(null, args);
+    }
+
     public int argsLength() {
         return args.length - 1;
     }
@@ -193,7 +197,7 @@ public class CommandContext {
     }
 
     public Location getSenderLocation() {
-        if (location != null)
+        if (location != null || sender == null)
             return location;
         if (sender instanceof Player)
             location = ((Player) sender).getLocation();

src/main/java/net/citizensnpcs/command/command/NPCCommands.java

@@ -210,9 +210,12 @@ public class NPCCommands {
             modifiers = { "controllable", "control" },
             min = 1,
             max = 1,
-            flags = "f",
-            permission = "npc.controllable")
-    public void controllable(CommandContext args, CommandSender sender, NPC npc) {
+            flags = "f")
+    public void controllable(CommandContext args, CommandSender sender, NPC npc) throws CommandException {
+        if ((npc.isSpawned() && !sender.hasPermission("citizens.npc.controllable."
+                + npc.getBukkitEntity().getType().toString().toLowerCase()))
+                || !sender.hasPermission("citizens.npc.controllable"))
+            throw new NoPermissionsException();
         Controllable trait = npc.getTrait(Controllable.class);
         boolean enabled = trait.toggle();
         String key = enabled ? Messages.CONTROLLABLE_SET : Messages.CONTROLLABLE_REMOVED;