These types provide fixed-point representations of distances, angles,
positions, vectors, and rotations in 3d space.
WAngle (and WRot) represents 360 degrees in 1024 units.
WRange (and WPos, WVec) represents 1 cell in 1024 units.
Distance types in yaml can be written as <cell>c<subcell>, e.g. "4c512" for 4.5 cells.
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