Re: [Rails-devel] Simultaneous loading of a game

[Jim B. <jim...@ya...>]

PPS- also, chris- it occurs to me that the approach I described with  
the separate, empty "current player token" file can be viewed as a  
"lock file" for the game- whoever "owns" that token file (ie, whoever  
the file is named after), is the current player that's writing to the  
rails folder, in general.

When that player finishes, he renames the file to point to the next  
player - and, essentially, has thus handed the "write lock" over to  
the subsequent player, too.

It hasn't really come up for us that we had the opportunity for write  
conflicts on the same files (and, even if we do housekeeping  
simultaneously- simple renames and moves- it's fairly harmless, even  
if there is an unlikely collision).

But, this might provide additional practical benefits  from decoupling  
the actual 'save file' (a .rails extension file, holding game state)  
from the 'current player' file (an empty file, renamed by convention  
to identify the current-player, and stand-out at the top of the  
browser list).

best,
  - jim



On Nov 9, 2009, at 9:25 AM, Chris Shaffer wrote:

> Before I try it, I thought I'd ask - has anyone tried simultaneously  
> loading a game from two different computers while using Dropbox as  
> the game save file location?  If one player makes an action, would  
> it update in the other player's copy of the open game file?  Or am I  
> just asking for trouble?
>
> --
> Chris
>
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