#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

background { color rgb <0.70, 0.84, 1.00> }

#declare SunDir = vnormalize(<-0.6, 1.0, -0.3>);

camera {
  location <0, 3.2, -12>
  look_at  <0, 2.0,  0>
  angle 45
}

light_source {
  <0,0,0>
  color rgb <1.0, 0.98, 0.92>*1.1
  parallel
  point_at SunDir
}

light_source {
  <2, 6, -8>
  color rgb <0.5, 0.65, 0.9>*0.35
  area_light <2,0,0>, <0,0,2>, 5, 5
  adaptive 1
  jitter
}

#default { finish { diffuse 0.9 specular 0.12 roughness 0.04 } }

fog {
  distance 55
  color rgb <0.70, 0.84, 1.00>
  fog_type 2
  fog_offset 0.0
  fog_alt 2.0
  turbulence 0.2
}

#declare Tex_Grass =
texture {
  pigment {
    bozo
    color_map {
      [0.00 color rgb <0.12, 0.28, 0.10>]
      [0.55 color rgb <0.16, 0.36, 0.14>]
      [1.00 color rgb <0.10, 0.24, 0.10>]
    }
    scale 0.8
  }
  normal { bumps 0.45 scale 0.12 }
  finish { diffuse 0.95 specular 0.05 roughness 0.08 }
}

plane { y, 0 texture { Tex_Grass } }

#declare Tex_Brick =
texture {
  pigment {
    brick
    color rgb <0.55, 0.20, 0.16>,
    color rgb <0.46, 0.16, 0.12>
    brick_size <0.36, 0.18, 0.18>
    mortar 0.13
    scale 1
  }
  normal { bumps 0.35 scale 0.06 }
  finish { diffuse 0.92 specular 0.10 roughness 0.06 }
}

#declare Tex_MortarWash =
texture {
  pigment {
    bozo
    color_map {
      [0.0 color rgbt <1,1,1,0.85>]
      [1.0 color rgbt <1,1,1,1.00>]
    }
    scale 1.6
  }
  finish { diffuse 0.0 }
}

#declare Tex_Wood =
texture {
  pigment {
    wood
    color_map {
      [0.00 color rgb <0.36, 0.20, 0.10>]
      [0.35 color rgb <0.44, 0.25, 0.13>]
      [1.00 color rgb <0.28, 0.16, 0.08>]
    }
    turbulence 0.15
    scale 0.35
    rotate <0,90,0>
  }
  normal { bumps 0.35 scale 0.02 }
  finish { diffuse 0.85 specular 0.18 roughness 0.05 }
}

#declare Tex_Roof =
texture {
  pigment {
    gradient y
    color_map {
      [0.0 color rgb <0.20, 0.20, 0.22>]
      [1.0 color rgb <0.12, 0.12, 0.14>]
    }
    scale 2
  }
  normal { bumps 0.25 scale 0.06 }
  finish { diffuse 0.85 specular 0.12 roughness 0.08 }
}

#declare Tex_Glass =
texture {
  pigment { color rgbt <0.75, 0.88, 1.0, 0.75> }
  finish { diffuse 0.1 specular 0.65 roughness 0.01 reflection 0.10 }
}

#declare Tex_WindowGlow =
texture {
  pigment { color rgb <1.0, 0.78, 0.40> }
  finish { emission 1.2 diffuse 0 }
}

#declare BuildingW = 8.0;
#declare BuildingD = 5.0;
#declare WallH     = 3.4;
#declare WallT     = 0.28;

#declare House =
union {
  difference {
    box { <-BuildingW/2, 0, -BuildingD/2>, <BuildingW/2, WallH, BuildingD/2> }

    // hollow interior
    box { <-BuildingW/2+WallT, 0.05, -BuildingD/2+WallT>, <BuildingW/2-WallT, WallH-0.05, BuildingD/2-WallT> }

    // door opening on front (z = -BuildingD/2)
    box { <-0.9, 0.0, -BuildingD/2-0.01>, <0.9, 2.2, -BuildingD/2+0.35> }

    // window openings (front)
    box { <-3.2, 1.2, -BuildingD/2-0.01>, <-2.0, 2.3, -BuildingD/2+0.35> }
    box { < 2.0, 1.2, -BuildingD/2-0.01>, < 3.2, 2.3, -BuildingD/2+0.35> }

    // window openings (side right, x = +BuildingW/2)
    box { <BuildingW/2-0.35, 1.1, -1.6>, <BuildingW/2+0.01, 2.2, -0.3> }
    box { <BuildingW/2-0.35, 1.1,  0.3>, <BuildingW/2+0.01, 2.2,  1.6> }

    // window openings (side left, x = -BuildingW/2)
    box { <-BuildingW/2-0.01, 1.1, -1.6>, <-BuildingW/2+0.35, 2.2, -0.3> }
    box { <-BuildingW/2-0.01, 1.1,  0.3>, <-BuildingW/2+0.35, 2.2,  1.6> }

    texture { Tex_Brick }
  }

  // subtle mortar wash variation to soften bricks (overlay shell)
  box { <-BuildingW/2, 0, -BuildingD/2>, <BuildingW/2, WallH, BuildingD/2>
    texture { Tex_MortarWash }
    no_shadow
  }
}

object { House }

#declare Roof =
union {
  prism {
    linear_sweep
    linear_spline
    -BuildingD/2-0.1, BuildingD/2+0.1,
    5,
    <-BuildingW/2-0.15,  WallH>,
    < 0.0,              WallH+1.7>,
    < BuildingW/2+0.15,  WallH>,
    < BuildingW/2+0.15,  WallH-0.05>,
    <-BuildingW/2-0.15,  WallH-0.05>
    texture { Tex_Roof }
  }
}
object { Roof }

#declare Door =
union {
  // frame
  box { <-0.98, 0.0, -BuildingD/2-0.03>, <0.98, 2.28, -BuildingD/2+0.10>
        texture { pigment { color rgb <0.12,0.07,0.04> } finish { diffuse 0.8 specular 0.15 roughness 0.05 } } }

  // left panel
  box { <-0.90, 0.02, -BuildingD/2-0.02>, <-0.02, 2.18, -BuildingD/2+0.06> texture { Tex_Wood } }
  // right panel
  box { < 0.02, 0.02, -BuildingD/2-0.02>, < 0.90, 2.18, -BuildingD/2+0.06> texture { Tex_Wood } }

  // vertical planks impression
  #local i = -7;
  #while (i <= 7)
    cylinder { <-0.46 + i*0.06, 0.1, -BuildingD/2+0.055>, <-0.46 + i*0.06, 2.1, -BuildingD/2+0.055>, 0.006
      texture { pigment { color rgb <0.08,0.05,0.03> } finish { diffuse 0.7 specular 0.2 roughness 0.06 } }
    }
    cylinder { < 0.14 + i*0.06, 0.1, -BuildingD/2+0.055>, < 0.14 + i*0.06, 2.1, -BuildingD/2+0.055>, 0.006
      texture { pigment { color rgb <0.08,0.05,0.03> } finish { diffuse 0.7 specular 0.2 roughness 0.06 } }
    }
    #local i = i + 1;
  #end

  // handles
  sphere { <-0.10, 1.10, -BuildingD/2+0.08>, 0.04 texture { pigment { color rgb <0.85,0.72,0.35> } finish { specular 0.55 roughness 0.03 } } }
  sphere { < 0.10, 1.10, -BuildingD/2+0.08>, 0.04 texture { pigment { color rgb <0.85,0.72,0.35> } finish { specular 0.55 roughness 0.03 } } }
}

object { Door }

#macro WindowAt(Pos, Size)
  union {
    // frame
    box { Pos + <-Size.x/2-0.06, -0.06, -0.06>, Pos + <Size.x/2+0.06, Size.y+0.06, 0.06>
      texture { pigment { color rgb <0.14,0.09,0.06> } finish { diffuse 0.85 specular 0.15 roughness 0.06 } }
    }
    // glass
    box { Pos + <-Size.x/2, 0, -0.02>, Pos + <Size.x/2, Size.y, 0.02> texture { Tex_Glass } }
    // warm glow plane behind glass
    box { Pos + <-Size.x/2+0.02, 0.02, 0.04>, Pos + <Size.x/2-0.02, Size.y-0.02, 0.05> texture { Tex_WindowGlow } no_shadow }
    // muntins
    box { Pos + <-0.02, 0.05, -0.03>, Pos + <0.02, Size.y-0.05, 0.03>
      texture { pigment { color rgb <0.10,0.06,0.04> } finish { diffuse 0.8 } }
    }
    box { Pos + <-Size.x/2+0.05, Size.y/2-0.02, -0.03>, Pos + <Size.x/2-0.05, Size.y/2+0.02, 0.03>
      texture { pigment { color rgb <0.10,0.06,0.04> } finish { diffuse 0.8 } }
    }
  }
#end

// Front windows
object { WindowAt(<-2.6, 1.2, -BuildingD/2+0.12>, <1.15, 1.05, 0>) }
object { WindowAt(< 2.6, 1.2, -BuildingD/2+0.12>, <1.15, 1.05, 0>) }

// Side windows (right)
object { WindowAt(< BuildingW/2-0.12, 1.1, -0.95>, <1.00, 1.00, 0>) rotate <0,90,0> }
object { WindowAt(< BuildingW/2-0.12, 1.1,  0.95>, <1.00, 1.00, 0>) rotate <0,90,0> }

// Side windows (left)
object { WindowAt(<-BuildingW/2+0.12, 1.1, -0.95>, <1.00, 1.00, 0>) rotate <0,90,0> }
object { WindowAt(<-BuildingW/2+0.12, 1.1,  0.95>, <1.00, 1.00, 0>) rotate <0,90,0> }

// Warm interior light leaking out
light_source { <0, 1.8, 0> color rgb <1.0, 0.78, 0.45>*0.55 fade_distance 6 fade_power 2 }

// Small exterior lanterns by the door
#declare LanternTex = texture { pigment { color rgb <0.08,0.08,0.09> } finish { diffuse 0.7 specular 0.35 roughness 0.04 } };

union {
  box { <-1.35, 1.55, -BuildingD/2-0.02>, <-1.15, 1.85, -BuildingD/2+0.18> texture { LanternTex } }
  cylinder { <-1.25, 1.55, -BuildingD/2+0.08>, <-1.25, 1.40, -BuildingD/2+0.08>, 0.02 texture { LanternTex } }
  sphere { <-1.25, 1.70, -BuildingD/2+0.08>, 0.08 texture { Tex_Glass } }
  sphere { <-1.25, 1.70, -BuildingD/2+0.08>, 0.06 texture { Tex_WindowGlow } no_shadow }
}
light_source { <-1.25, 1.70, -BuildingD/2+0.10> color rgb <1.0, 0.78, 0.40>*0.65 fade_distance 5 fade_power 2 }

union {
  box { < 1.15, 1.55, -BuildingD/2-0.02>, < 1.35, 1.85, -BuildingD/2+0.18> texture { LanternTex } }
  cylinder { < 1.25, 1.55, -BuildingD/2+0.08>, < 1.25, 1.40, -BuildingD/2+0.08>, 0.02 texture { LanternTex } }
  sphere { < 1.25, 1.70, -BuildingD/2+0.08>, 0.08 texture { Tex_Glass } }
  sphere { < 1.25, 1.70, -BuildingD/2+0.08>, 0.06 texture { Tex_WindowGlow } no_shadow }
}
light_source { <1.25, 1.70, -BuildingD/2+0.10> color rgb <1.0, 0.78, 0.40>*0.65 fade_distance 5 fade_power 2 }

// A small path patch in front of door
box {
  <-1.2, 0.001, -BuildingD/2-0.85>, <1.2, 0.02, -BuildingD/2-0.10>
  texture {
    pigment {
      granite
      color_map {
        [0.0 color rgb <0.22,0.20,0.18>]
        [1.0 color rgb <0.38,0.36,0.33>]
      }
      scale 0.35
    }
    normal { bumps 0.3 scale 0.08 }
    finish { diffuse 0.95 specular 0.08 roughness 0.07 }
  }
}