# 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 "add_colors.so"
$include "add_colors.mi"
link "framebuffer_put.so"
$include "framebuffer_put.mi"

 

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

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

instance "L1" "light_1" end instance

light "light_2"
    "point_light_shadow" (
        "light_color"  .3 .3 .3
    )
    origin -4 5 0
end light


instance "L2" "light_2" end instance


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

instance "L3" "light_3" end instance

declare phenomenon
    color "phong_components" (
        color  "ambient"  default 0 0 0,
        color  "diffuse"  default 1 1 1,
	color  "specular" default 0 0 0,
	scalar "exponent" default 30,
        array light "lights" )

    shader "diffuse_component"
        "phong" (
            "ambient"  = interface "ambient",
            "diffuse"  = interface "diffuse",
            "specular" 0 0 0,
            "exponent" 0,
            "lights"   = interface "lights" )

    shader "specular_component"
        "phong" (
            "ambient"  0 0 0,
            "diffuse"  0 0 0,
            "specular" = interface "specular",
            "exponent" = interface "exponent",
            "lights"   = interface "lights" )

    shader "fb_diffuse" 
        "framebuffer_put" (
            "color" = "diffuse_component",
            "index" 0 )

    shader "fb_specular" 
        "framebuffer_put" (
            "color" = "specular_component",
            "index" 1 )

    shader "add_components"
        "add_colors" (
            "x" = "fb_diffuse",
            "y" = "fb_specular" )

    root = "add_components"

end declare

material "red" 
    "phong_components" (
        "diffuse" 1 .5 .5,
	"specular" 2 2 2,
	"lights" ["L1", "L2", "L3"]
    )
end material    

material "yellow" 
    "phong_components" (
        "diffuse" 1 1 .5, 
	"specular" 2 2 2,
	"lights" ["L1", "L2", "L3"]
    )
end material    

material "blue" 
    "phong_components" (
        "diffuse" .5 .5 1,
	"specular" 2 2 2,
	"lights" ["L1", "L2", "L3"]
    )
end material

material "gray" 
    "phong_components" (
        "diffuse" .7 .7 .7,
	"specular" 2 2 2,
	"lights" ["L1", "L2", "L3"]
    )
end material

camera "cam"
    output "fb0" "tif" 
        "buffer_4_diffuse.tif"
    output "fb1" "tif" 
        "buffer_4_specular.tif"
    output "rgba" "tif" 
        "buffer_4.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"