;	c0 c1 c2 c3	combined matrix
;	c4 c5 c6 c7	world matrix (normal?)
;	c8 c9 c10 c11	texture matrix
;	c12		eye position
;	c13		direct direction
;	c14		carpipe constants
;	c15		ambient
;	c16		matcolor
;	c17		direct color
;	c18 c19 c20 c21	extra directions
;	c22 c23 c24 c25	extra colors

;	c26		specular
;	c27		spec, fresnel, 0.6, power

;	c36		ramp start
;	c37		ramp end
;	c38		rim: offset scale scaling
;	c39		0.0, 0.0, 0.0, 0.0
;	c40		1.0, 1.0, 1.0, 1.0
;	c41             view vector