> Can you provide a source? All of this the DF engineer told me face to face. Might have been based on an alpha version of DOOM. He might have already had some

> Can you provide a source? All of this the DF engineer told me face to face. Might have been based on an alpha version of DOOM. He might have already had some tech for DF before studying DOOM. It was a casual conversation over ten years ago. I don't recall what the changes were. Something about being less flexible to be faster. Only way to know would be to redo the reverse engineering of the BSP format from one of http://toastytech.com/dooma/ http://toastytech.com/dooma/