Re: [spoon-discuss] Why we need OO

["Orc In A Spacesuit" <orcinaspacesuit@xxxxxxxxxxx>]

> From: Rob Speer <rspeer@xxxxxxx>
> On Mon, Apr 28, 2003 at 06:42:35PM -0400, Daniel Lepage wrote:
> > But anyway, why do we need to define our own version of '3'? 3 is an
> > > object; but does not need to be defined as one in the context of the
> > Nomic, as it is defined as one in the larger scope of Real Life.
>
> If Concepts were not OO at all, then I couldn't say "everything in the
> game is a Thingy". The letter 'B' is certainly in the game (hell, it
> could arguably be the first thing that was ever in the game). I just
> think that putting _everything_ in the OO system makes things generally
> cleaner.
>
> What do people think? Should I take out Concepts?

I'm thinking that we go halfway here.  Rather than making everything a part 
of the class system, we break it into these groups, and not have the basic 
system itself OO, and instead define the following:

Classes, which may be children of other Classes.
Objects, which is a member of a Class(es).
Properties, which Objects have, and can be Number, Text, Reference, or a 
list of one of those.
Values, which are the states that Properties have.
Events, which are things that happen, and may cause other events to happen 
when they occur.
Actions, which are things that Objects may do, perhaps choosing other 
Objects when they do so.  Taking an Action is an Event.

So, a Gnome Object (a member of the Gnome class) would have the HP Property. 
 Let's call it ThatGnome.
If a Player Object performed the Squeeze(ThatGnome) action, the Event 
GnomeSqueezed(ThatGnome) would happen, and as a result, ThatGnome's HP 
Property is set to the Value of (ThatGnome's HP Property minus one).

I think that simply defining the parts of an object, and what happens to 
them, in plain English rather than as objects, is a lot simpler.

Orc in a Spacesuit

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