ppvDbgTemp sounds like "debug temp", it's a symbol from the 2.5 prototype and reasonably is named differently here
several overarching concepts throughout the ppp library reference an "Lp" structure of some sort located at ppvDbgTemp, though they seem to vary in makeup.
Almost every "pppGetRotMatrix" function is inside of xberry, except XYZ, which ended up in pppKeAccSpdSv
pppShapeSt is used in a few different places, possibly a wrapper around models or something. As more usage is uncovered, we should move it somewhere more centralized.
Few quirks