#version 3.7;

global_settings {
    assumed_gamma 1.3 max_trace_level 16
    radiosity {
        pretrace_start 0.08
        pretrace_end   0.01
        count 200
        nearest_count 10
        error_bound 0.5
        recursion_limit 2
        low_error_factor 0.5
        gray_threshold 0.0
    }
}

background { color rgb <0.92, 0.50, 0.32> }

camera {
  location <0, 2.6, -7.2>
  look_at  <0, 1.55, 0>
  angle 40
  up <0,9,0>
  right <16,0,0>  // right,up -> 16:9
}

#declare MAT_Clay = finish { diffuse 0.85 specular 0.15 roughness 0.08 }
#declare MAT_Dull = finish { diffuse 0.9 specular 0.08 roughness 0.12 }
#declare C_Clay   = color rgb <0.26, 0.20, 0.18>;
#declare C_Scar   = color rgb <0.12, 0.08, 0.07>;
#declare C_Glow   = color rgb <1.00, 0.70, 0.35>;

light_source {
  <6, 7, -6>
  color rgb <1.00, 0.85, 0.70>*1.15
  area_light <1.6,0,0>, <0,0,1.6>, 6, 6
  adaptive 1
  jitter
}

light_source {
  <-5, 4.5, -4>
  color rgb <1.00, 0.78, 0.62>*0.55
  area_light <1.0,0,0>, <0,0,1.0>, 5, 5
  adaptive 1
  jitter
}

light_source {
  <0, 6.5, 5>
  color rgb <1.00, 0.72, 0.60>*0.35
  area_light <1.2,0,0>, <0,0,1.2>, 5, 5
  adaptive 1
  jitter
}

plane {
  y, 0
  pigment { color rgb <0.35, 0.22, 0.18> }
  finish { diffuse 0.9 specular 0.05 roughness 0.15 }
}

// ---------- GOLEM ----------

#declare Torso =
union {
  // blobby main mass
  sphere { <0,1.72,0>, 1.25 }
  sphere { <0,1.05,0>, 1.10 }
  sphere { <0,2.35,0>, 0.95 }
  // shoulder bulges
  sphere { <-1.10,1.85,0.05>, 0.78 }
  sphere { < 1.10,1.85,0.05>, 0.78 }
}

#declare Legs =
union {
  cylinder { <-0.55,0.00,0>, <-0.55,1.05,0>, 0.52 }
  cylinder { < 0.55,0.00,0>, < 0.55,1.05,0>, 0.52 }
  sphere   { <-0.55,0.20,0>, 0.55 }
  sphere   { < 0.55,0.20,0>, 0.55 }
  sphere   { <-0.55,1.00,0>, 0.52 }
  sphere   { < 0.55,1.00,0>, 0.52 }
  // inner seam hint
  cylinder { <0,0.05,0>, <0,0.95,0>, 0.06 }
}

#declare ArmL =
union {
  sphere   { <-1.55,1.70,0.20>, 0.42 }
  cylinder { <-1.30,1.55,0.20>, <-0.75,1.28,0.55>, 0.36 }
  sphere   { <-0.75,1.28,0.55>, 0.40 } // wrist
  // hand block
  box { <-1.05,1.12,0.35>, <-0.35,1.38,0.92> }
  // finger grooves
  difference {
    box { <-1.02,1.14,0.37>, <-0.38,1.36,0.90> }
    box { <-0.98,1.16,0.48>, <-0.42,1.34,0.56> }
    box { <-0.98,1.16,0.64>, <-0.42,1.34,0.72> }
    box { <-0.98,1.16,0.80>, <-0.42,1.34,0.88> }
    pigment { color rgbt 1 }
  }
}

#declare ArmR =
union {
  sphere   { <1.55,1.70,0.20>, 0.42 }
  cylinder { <1.30,1.55,0.20>, <0.75,1.28,0.55>, 0.36 }
  sphere   { <0.75,1.28,0.55>, 0.40 } // wrist
  box { <0.35,1.12,0.35>, <1.05,1.38,0.92> }
  difference {
    box { <0.38,1.14,0.37>, <1.02,1.36,0.90> }
    box { <0.42,1.16,0.48>, <0.98,1.34,0.56> }
    box { <0.42,1.16,0.64>, <0.98,1.34,0.72> }
    box { <0.42,1.16,0.80>, <0.98,1.34,0.88> }
    pigment { color rgbt 1 }
  }
}

#declare ChestPlate =
difference {
  // plate
  box { <-1.05,1.05,0.52>, <1.05,1.55,0.92> }

  // triangular "crack" opening
  prism {
    linear_sweep
    linear_spline
    0.50, 0.96,
    4,
    <-0.18, 1.20>, <0.12, 1.20>, <0.00, 1.50>, <-0.18, 1.20>
    rotate <0,0,0>
    translate <0,0,0>
  }

  // widen the opening with an intersecting wedge
  box { <-0.25,1.12,0.60>, <0.25,1.55,0.92> rotate <0,0,25> }

  // small dents
  cylinder { <-0.70,1.25,0.40>, <-0.70,1.25,1.10>, 0.09 }
  cylinder { < 0.70,1.25,0.40>, < 0.70,1.25,1.10>, 0.09 }

  // hollow behind opening so glow reads
  box { <-0.35,1.08,0.70>, <0.35,1.52,1.35> }

  pigment { color C_Clay }
  finish { MAT_Clay }
}

#declare ScarFront =
union {
  // angled gash across chest
  box { <-0.20,1.65,-0.40>, <0.20,2.25,0.55> rotate <0,0,18> translate <0.10,0,0.45> }
  box { <-0.08,1.62,-0.50>, <0.08,2.28,0.70> rotate <0,0,18> translate <0.10,0,0.45> }
}

#declare ScarBack =
union {
  // back scars: two vertical gashes
  box { <-0.55,1.35,-0.90>, <-0.35,2.20,0.20> rotate <0,0,-8> translate <0,0,-0.35> }
  box { < 0.35,1.35,-0.90>, < 0.55,2.20,0.20> rotate <0,0, 8> translate <0,0,-0.35> }
  box { <-0.10,1.55,-0.90>, < 0.10,2.05,0.10> translate <0,0,-0.40> }
}

#declare EyeSockets =
union {
  // shallow dimples
  sphere { <-0.22,2.55,0.80>, 0.13 }
  sphere { < 0.22,2.55,0.80>, 0.13 }
}

#declare GolemBody =
difference {
  union {
    object { Torso }
    object { Legs }
    object { ArmL }
    object { ArmR }
    // simple neck/head smoothing
    sphere { <0,2.62,0.35>, 0.78 }
  }

  // carve eye sockets slightly
  object { EyeSockets scale <1,1,1> translate <0,0,0> }

  // front and back scars
  object { ScarFront }
  object { ScarBack }

  pigment { color C_Clay }
  finish { MAT_Clay }
}

// Eyes + core glow are separate additive-looking elements (no textures, simple finishes)
#declare EyesGlow =
union {
  sphere {
    <-0.22,2.55,0.82>, 0.07
    pigment { color C_Glow }
    finish { emission 2 diffuse 0 }
  }
  sphere {
    <0.22,2.55,0.82>, 0.07
    pigment { color C_Glow }
    finish { emission 2 diffuse 0 }
  }
}

#declare CoreGlow =
union {
  // glowing core inside chest opening
  sphere {
    <0.00,1.30,1.00>, 0.33
    pigment { color rgb <1.00,0.55,0.20> }
    finish { emission 2.6 diffuse 0 }
  }
  // small internal light source for extra "inside light"
  light_source {
    <0.0,1.32,1.00>
    color rgb <1.00,0.55,0.25>*0.65
    fade_distance 2.0
    fade_power 2
  }
}

#declare PlateMaterial =
texture {
  pigment { color rgb <0.22,0.16,0.14> }
  finish  { diffuse 0.85 specular 0.12 roughness 0.10 }
}

#declare ScarDark =
texture {
  pigment { color C_Scar }
  finish { MAT_Dull }
}

// Put it together: body + dark scar insets + chest plate + glows
union {
  object { GolemBody }

  // add darker "scar fill" slabs so the cuts read as deep
  object {
    union {
      object { ScarFront }
      object { ScarBack }
    }
    texture { ScarDark }
  }

  object { ChestPlate texture { PlateMaterial } }

  object { EyesGlow }
  object { CoreGlow }

  translate <0,0,0>
}