# mental ray scene file from "Writing mental ray shaders"
# http://www.writingshaders.com/scene_catalog.html

verbose on

link "phong.so"
$include "phong.mi"
link "point_light_shadow.so"
$include "point_light_shadow.mi"
link "shadowpass.so"
$include "shadowpass.mi"

 

options "opt"
    object space
   contrast .05 .05 .05 1
    samples -1 2
    shadow off
    frame buffer 0 "+rgba"
    frame buffer 1 "+rgba"    
end options


light "light_1"
    "point_light_shadow" (
        "light_color"  .5 .5 .5
    )
#    origin 4 5 6
    origin 4 .5 7
end light

instance "L1" "light_1" end instance

light "light_2"
    "point_light_shadow" (
        "light_color"  .4 .4 .4
    )
#    origin -4 5 0
    origin -4 1 1
end light


instance "L2" "light_2" end instance


light "light_3"
    "point_light_shadow" (
        "light_color"  .3 .3 .3
    )
#    origin 2 5 -4
    origin 6 4 -6
end light

instance "L3" "light_3" end instance

shader "red_phong"
    "phong" ( 
        "diffuse" 1 .5 .5,
        "specular" 1 1 1,
        "lights" ["L1", "L2", "L3"] )

material "red" 
    "shadowpass" ( 
        "base_color" = "red_phong",
        "lights" ["L1", "L2", "L3"] )
end material    

shader "yellow_phong"
    "phong" ( 
        "diffuse" 1 1 .5,
        "specular" 1 1 1,
        "lights" ["L1", "L2", "L3"] )

material "yellow" 
    "shadowpass" ( 
        "base_color" = "yellow_phong",
        "lights" ["L1", "L2", "L3"] )
end material    

shader "blue_phong"
    "phong" ( 
        "diffuse" .5 .5 1,
        "specular" 1 1 1,
        "lights" ["L1", "L2", "L3"] )

material "blue" 
    "shadowpass" ( 
        "base_color" = "blue_phong",
        "lights" ["L1", "L2", "L3"] )
end material

shader "gray_phong" 
    "phong" ( 
        "diffuse" 1 1 1,
        "specular" 1 1 1,
        "lights" ["L1", "L2", "L3"] )

material "gray" 
    "shadowpass" ( 
        "base_color" = "gray_phong",
         "lights" ["L1", "L2", "L3"] )
end material

camera "cam"
    output "fb0" "tif" 
        "buffer_3_without_shadows.tif"
    output "fb1" "tif" 
        "buffer_3_shadows.tif"
    output "rgba" "tif" 
        "buffer_3.tif"
    focal 1.5
    aperture 1
    aspect 1.5
    resolution 300 200
end camera

# bw.lookat(0,2,5,0,-.3,0)
instance "camera-instance" "cam"
    transform 
        1 0 0 0 
        0 0.90849 0.417906 0 
        0 -0.417906 0.90849 0 
        0 0.272547 -5.37826 1 
end instance


instance "cone-1"
    geometry "bw_cone" ("name" "bw-cone")
    material "yellow"
    transform 
        0.223607 -0.447214 -0.866025 0.0 
        -0.894427 -0.447214 0.0 0.0 
        -0.387298 0.774597 -0.50 0.0 
        0.085525 -0.789083 -0.592820 1.0 
    tag 1
    globillum on
    globillum 3
end instance

instance "ball-1"
    geometry "bw_ball" ("name" "bw-ball")
    material "blue"
    transform 
        1.818182 0.0 0.0 0.0 
        0.0 -0.0 -1.818182 0.0 
        0.0 1.818182 -0.0 0.0 
        -1.636364 0.545455 -0.0 1.0 
    tag 2
    globillum on
    globillum 3
end instance

instance "column-1"
    geometry "bw_cylinder" ("name" "bw-column")
    material "red"
    transform 
        1.812616 -0.845237 0.0 0.0 
        0.0 -0.0 -2.0 0.0 
        0.845237 1.812616 -0.0 0.0 
        -1.111022 -1.909353 -0.50 1.0 
    tag 3
    globillum on
    globillum 3
end instance

instance "square-1"
    geometry "bw_square" ()
    material "gray"
    transform 
        0.010 0.0 0.0 0.0 
        0.0 -0.0 0.010 0.0 
        0.0 -0.010 -0.0 0.0 
        0.0 -0.0 0.0050 1.0 
    tag 4
    globillum on
    globillum 3
end instance

instgroup "root"
    "camera-instance" "L1" "L2" "L3"    "cone-1" "ball-1" "column-1" "square-1" 
end instgroup

render "root" "camera-instance" "opt"