From: James Gray <james@...>
Date: 2008-02-12T12:50:51+09:00
Subject: Re: Beginner help - txt dungeon

On Feb 11, 2008, at 7:17 PM, Jonathon Hartoon wrote:

> I read your comments and some questions did in fact come up.  You
> commented on my file opening system.  I agree with your reasoning,  
> as it
> is very hard to work with.  The reason I made it that way is because  
> it
> was simple to code.  I do not know how I would seperate it the way you
> suggested.

It is a bit harder.  Save that for when you have learned a bit more.

> The next comment was on my find_room method.
> "You are using an Array as a Hash.  The following line could just be:"
> "@rooms[reference]  # using a Hash"
>
> I am confused by this.  Maybe some more explaination.

 >> class Room
 >>   # ...
?> end
=> nil
 >> rooms = {:some_room => Room.new, :another_room => Room.new}
=> {:another_room=>#<Room:0x58c0dc>, :some_room=>#<Room:0x58c0f0>}
 >> rooms[:some_room]
=> #<Room:0x58c0f0>

> I however do not know what "case" means.  A link to some
> explanation might help.

 >> def case_example(input)
 >>   case input
 >>   when "one"
 >>     1
 >>   when "two"
 >>     2
 >>   else
?>     "unknown"
 >>   end
 >> end
=> nil
 >> case_example "one"
=> 1
 >> case_example "two"
=> 2
 >> case_example "three"
=> "unknown"

Hope that helps.

James Edward Gray II