residualvm/residualvm — pull request #537 by Botje (2012-02-18 10:47:24+00:00)
Title: Use the correct sector normal in EMI

EMI uses (0,-1,0) as sector normal, while GRIM uses (0,0,1).
I've generalised some places where this implicit z-is-up assumption was made.
This puts you on the close-up of the catapult screen in the demo.