Convert from viewport mouse coordinates to world space 2D position.

This function is used to count or get the pinfo structure for a given port number.

Project a 2D coordinate onto the unit square centered around the camera. This returns back a single value where 0.5 = +x,0; 1.5 = 0,+z; 2.5 = -x,0; 3.

Serializes the input events into the demo file from vectors to strings

///////////////////////////////////////////////////// Common Functions /////////////////////////////////////////////////////

if there's a pending marker from the entropy stream, return that otherwise, fetch from the stream and get a marker. if there's no marker, return 0xff,

returns 1 if the product is valid, 0 on overflow. negative factors are considered invalid.

----------------------- Intrinsics -----------------------

/////////////////////////////////////////////////////////////////// Setup ----------------- Note that the current graphics settings are used internall

internal