[Freeciv-Dev] Re: Question on savegame data

[Jason Dorje Short <jdorje@xxxxxxxxxxxx>]

Christian Knoke wrote:
> Trying to read some source, the tile->updated 16 bit variable in the player
> maps is used for the server to keep track on when a player has seen a tile
> for the last time. This is to prevent the server from sending unnecessary
> tile info to the client.
>
> What use does it make to save this information in the map_u[abcd] lines of
> the savegame?
>
> This is one third of the uncompressed file size, for a big savegame.
>
> Probably I miss something, but I'm very curious what it is.
plrtile->updated shows how old the data on the tile is.  This has 
nothing to do with the client but is used when exchanging shared vision. 
 When both players don't have current vision of a tile the "newer" 
information is taken to be the correct one.
-jason