Large maps confuse the map drawing

[mheyer32]

I think there's some issues with really large x/z values not being properly handled.

[0xABADCAFE]

Is this Map F ?

[mheyer32]

Its the "chasm" one.

I think whats going on here is that the 16bit math is running out of bits for maps over a certain amount of physical extend. I had changed the math to 16bits at some point. Reverting that commit might reveal if thats the issue.