I found the controls highly irritating until I caught on to what to do: hold down the right mouse button at all times.
That makes the mouse control heading and wasd control movement as the gods intended.
I think you can set a "keep attacking" mode, but haven't felt a need for it since I got used to the permanent right-mouse hold.
Reductionist and proud of it.
Being ignorant is not so much a shame, as being unwilling to learn. Benjamin Franklin
Chase after the truth like all hell and you'll free yourself, even though you never touch its coat tails. Clarence Darrow
A person who won't read has no advantage over one who can't read. Mark Twain