ID:301185
 
Problem description:
I have no idea where this problem stems from, but the movement is glitching. I have a server up, as its hard to describe:

http://www.byond.com/games/Alexander08/PokemonOrigins

My offline version works fine, with gliding movement. But when I upload to the server, this happens.

I've check these vars, all are at their default value.

step_size
step_x
step_y
bound_height
bound_width
bound_y
bound_x
pixel_step_size
bounds
glide_size
I have also already checked tick_lag and fps. They are set to default values.
Likely it's simply just network latency, which can't really be fixed in any sense. You just need to have a server with a better connection (and a better connection between the server and the client).
Did I also mention this glitchy movements in my version running on my computer?
It's possible at some point a variable related to pixel movement was changed and saved in someone's savefile, which would explain why it occurs when hosted, but not in single player. The instant a variable related to pixel movement becomes something that isn't a multiple of world.icon_size (or in step_size's case, 0), pixel moving mode is enabled.
It is running in singleplayer. And it is happening to every player on the game, and to every moving atom..
Try backing up your save files (please, please back them up), having an empty save file folder, and then running the game. It's a quick way to see if LordAndrew's theory is correct.

Do you save any information relating to a player's icon?

E: Do things save on the client closing? If so, see if it runs smoothly, close your client, and run again using the same save files.

Also, do you allow users to upload custom content? I'm not on a computer with BYOND installed, so I cannot check.
In singleplayer, I tried deleting all the Player saves (which was just mine) as well as the World.sav. There was still glitchy movement.

Only I as an Admin on the game can upload custom content, but the only thing I've ever uploaded are graphics or dmi files. Regular players do not have the ability to upload content.

Yes, things save on closing.