[DGD] Persistance

[Par Winzell]

Robert Forshaw wrote:
>> From: Noah Gibbs <noah_gibbs at yahoo.com>
>>   What does this buy you?
> 
> 
> It buys me players not coming back some day and finding their characters 
> deleted?

I think you are too afraid of the dumpfile. Don't see it too much as a 
precious storage space that you only carefully use. Remember that DGD's 
objects -natural- place is swapped out to disk, and only the stuff that 
is being used is ever swapped in at all. You don't really need to worry 
terribly much about having extra, unused objects in memory.

Once you have players as ever-present, persistent objects, you'll start 
doing things differently. If player objects are never destructed, then 
their object pointers never disappear. So every object that needs to 
keep some kind of record of players can do so using object pointers 
instead of some ad-hoc label, e.g. a unique name. Similarly, where your 
average LPMud links a room exit into another room's filename, in a 
persisteng world you link directly to the object pointer. That pointer 
will be as valid 15 years from now as it is when you set up the link.

Zell

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