We interrupt your current server woes to talk about casting

[Rydin]

Except you have 2 blue arrows to tell you when your not moving...? Is it that hard to look @ those 2 arrows to see when your not moving?

or...
(and this is going to sound crazy)
Casting a spell instantly stops your movement???
You see what I did there? I'm a problem solver
(and let's be honest... that seems like it would take a lot less effort to implement)