### William Schilthuis
### WilliamGS.com
### http://www.sfdm.scad.edu/faculty/mkesson/vsfx319/index.html
### spring 2009

### Renderman Archive
### Matrix Composition

### Part 5 of 6
### Description:
### Surface Shader
###
### Color and Displacement. Execute the commented txmake lines
### in order to create renderman (.tex) textures from tiffs.
###
###
###

Option "searchpath" "shader" "@:../shaders"
Option "searchpath" "texture" "../textures"
Option "searchpath" "archive" "../archives:Cutter_Help/templates/Rib:custom_templates/Rib"

	Display "wgs_matrix_rook_Shaders.tif" "it" "rgba"
#	Display "+wgs_matrix_rook_AO.tif" "it" "_occlusion"
	
	Format 512 288 1
	Projection "perspective" "fov" 52
	ShadingRate 1.0
	
	Translate  0.0 -0.2 0.5
	Rotate 20 1 0 0
	Rotate 15  0 1 0
	Scale 1 1 -1

#execute the next line to generate texture maps
#txmake ../tiffs/compwood_color.tif ../textures/compwood_color.tex
#txmake ../tiffs/compwood_height.tif ../textures/compwood_height.tex
#txmake ../tiffs/checker.tif ../textures/checker.tex

	Attribute "bound" "displacement" [0.10]

#	USE FOR RAYTRACED SHADOWS
#	 Attribute "visibility" "trace" [1]
#	 Attribute "shade" "string transmissionhitmode" ["primitive"]
#	 Attribute "visibility" "int transmission" [1]

WorldBegin
		LightSource "shadowspot" 1
		"intensity" 25.0
				"lightcolor" [1.0 0.95 0.9]
				"from" [-4.0 3.0 1.0]
				"to" [0.0 0.0 0.0]
				"coneangle" 0.55
				"conedeltaangle" 0.15	#edge sharpness
#				"beamdistribution" 2.0
#				"shadowname" ["wgs_matrix_rook_spot1.tx"]	#no shadows for shader testing
				"samples" 128.0
				"width" 16.0

		LightSource "shadowspot" 2
		"intensity" 32.0
				"lightcolor" [0.9 0.9 1.0]
				"from" [4.0 1.0 2.0]
				"to" [0.0 0.0 0.0]
				"coneangle" 0.55
				"conedeltaangle" 0.15	#edge sharpness
#				"beamdistribution" 2.0
#				"shadowname" ["wgs_matrix_rook_spot2.tx"]	#no shadows for shader testing
				"samples" 128.0
				"width" 16.0

	#Surface "rtOcclude" "samples" [256]

	AttributeBegin	#SCENE GROUP
	Surface "plastic"	
		TransformBegin
			Displacement "emboss" "texname" ["/stuhome/vsfx319/textures/wgs_matrix_rook_AO.tex"] "Km" 0.1
			Scale 2 2 2
			Polygon "P" [-0.5 0 -0.5  -0.5 0 0.5  0.5 0 0.5  0.5 0 -0.5]
					"st" [0 0  0 1  1 1  1 0]
		TransformEnd
	AttributeEnd	

	AttributeBegin	#COMPOSITION GROUP
	Surface "combo" "texname" ["wgs_brick.tex"] #"traname" ["wgsfiletest.tex"]
	 "Ks" 0.1 "Kd" 0.5
		ReadArchive "wgs_matrix_rook_compositiongroup_archive.rib"
	AttributeEnd

WorldEnd