#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 10
}

background { color rgb <0.55, 0.70, 0.92> }

// ---------------- Camera ----------------
camera {
  location <0, 3.9, -17.2>
  look_at  <0, 2.0,  0.0>
  angle 45
}

// ---------------- Lighting ----------------
light_source { <-18, 16, -18> color rgb <1.00, 0.98, 0.92>*1.05 } // sun/key
light_source { < 14, 10, -10> color rgb <0.55, 0.70, 0.95>*0.55 } // cool fill
light_source { <  0,  5, -6.0> color rgb <1.00, 0.72, 0.42>*0.65 } // warm facade bounce

// Slight dusk haze
fog {
  distance 60
  color rgb <0.70, 0.78, 0.92>
  fog_type 2
  fog_offset 0.5
  fog_alt 2.8
  turbulence 0.35
}

// ---------------- Ground (grass) ----------------
plane {
  y, 0
  texture {
    pigment {
      bozo
      color_map {
        [0.00 rgb <0.08, 0.22, 0.08>]
        [0.40 rgb <0.12, 0.30, 0.10>]
        [0.75 rgb <0.16, 0.40, 0.14>]
        [1.00 rgb <0.10, 0.26, 0.10>]
      }
      scale 1.1
    }
    normal { bumps 0.35 scale 0.25 }
    finish { diffuse 0.9 specular 0.05 roughness 0.10 }
  }
}

// ---------------- Materials ----------------
#declare MortarColor = <0.72, 0.70, 0.66>;

#declare BrickPig =
pigment {
  // Simple brick-course pattern using gradient+warp; faster than image maps
  gradient x
  frequency 10
  color_map {
    [0.00 rgb <0.46, 0.20, 0.14>]
    [0.07 rgb <0.46, 0.20, 0.14>]
    [0.071 rgb MortarColor]
    [0.10 rgb MortarColor]
    [0.101 rgb <0.58, 0.26, 0.18>]
    [0.18 rgb <0.58, 0.26, 0.18>]
    [0.181 rgb MortarColor]
    [0.21 rgb MortarColor]
    [0.211 rgb <0.40, 0.16, 0.12>]
    [0.29 rgb <0.40, 0.16, 0.12>]
    [0.291 rgb MortarColor]
    [0.33 rgb MortarColor]
    [0.331 rgb <0.62, 0.30, 0.22>]
    [1.00 rgb <0.62, 0.30, 0.22>]
  }
  warp { turbulence 0.15 }
}

#declare Brick_Tex =
texture {
  pigment {
    average
    pigment_map {
      [0.70 BrickPig]
      [0.30 granite
        color_map {
          [0.00 rgb <0.44, 0.18, 0.14>]
          [0.40 rgb <0.58, 0.26, 0.19>]
          [1.00 rgb <0.62, 0.30, 0.22>]
        }
        scale 0.35
      ]
    }
    scale <1.0, 0.35, 1.0>
  }
  normal {
    average
    normal_map {
      [0.6 bumps 0.35 scale 0.06]
      [0.4 wrinkles 0.25 scale 0.20]
    }
  }
  finish { diffuse 0.9 specular 0.12 roughness 0.06 }
}

#declare Trim_Tex =
texture {
  pigment { color rgb <0.22, 0.22, 0.24> }
  finish { diffuse 0.85 specular 0.15 roughness 0.07 }
}

#declare Roof_Tex =
texture {
  pigment { color rgb <0.30, 0.30, 0.34> }
  normal { bumps 0.15 scale 0.12 }
  finish { diffuse 0.85 specular 0.18 roughness 0.08 }
}

#declare Wood_Tex =
texture {
  pigment {
    wood
    color_map {
      [0.00 rgb <0.26, 0.16, 0.10>]
      [0.35 rgb <0.40, 0.24, 0.14>]
      [0.70 rgb <0.24, 0.14, 0.09>]
      [1.00 rgb <0.48, 0.28, 0.16>]
    }
    turbulence 0.18
    scale <0.22, 0.22, 2.1>
    rotate <0, 90, 0>
  }
  normal { bumps 0.25 scale 0.05 }
  finish { diffuse 0.9 specular 0.18 roughness 0.05 }
}

#declare Frame_Tex =
texture {
  pigment { color rgb <0.14, 0.14, 0.15> }
  finish { diffuse 0.85 specular 0.18 roughness 0.05 }
}

#declare Glass_Tex =
texture {
  pigment { color rgb <1.0, 0.82, 0.60> filter 0.85 transmit 0.75 }
  finish {
    diffuse 0.05
    ambient 0.0
    specular 0.75 roughness 0.01
    reflection 0.05
  }
}

#declare Curtain_Emissive_Tex =
texture {
  pigment { color rgb <1.00, 0.74, 0.45>*1.35 }
  finish { diffuse 0.0 ambient 1.0 }
}

// ---------------- Building dimensions ----------------
#declare B_W = 7.5;  // width (x)
#declare B_H = 4.2;  // height (y)
#declare B_D = 5.0;  // depth (z)
#declare WallT = 0.25;

#declare FrontZ = -B_D/2;
#declare BackZ  =  B_D/2;

#declare DoorW = 2.05;
#declare DoorH = 2.65;
#declare DoorY0 = 0.05;

#declare WinW = 1.55;
#declare WinH = 1.25;
#declare WinY0 = 1.55;

#declare WinX1 = -2.35;
#declare WinX2 =  2.35;

// ---------------- Main building + interior cavity ----------------
#declare Building =
union {
  // Outer shell
  box { <-B_W/2, 0, -B_D/2>, <B_W/2, B_H, B_D/2> texture { Brick_Tex } }

  // Hollow interior volume to allow "seeing" warm light through windows
  difference {
    box { <-B_W/2, 0, -B_D/2>, <B_W/2, B_H, B_D/2> }
    box { <-B_W/2+WallT, 0.05, -B_D/2+WallT>, <B_W/2-WallT, B_H-0.10, B_D/2-WallT> }
    texture { Brick_Tex }
  }

  // Roof slab
  box {
    <-B_W/2-0.05, B_H, -B_D/2-0.05>,
    < B_W/2+0.05, B_H+0.28, B_D/2+0.05>
    texture { Roof_Tex }
  }

  // Trim base
  box {
    <-B_W/2-0.07, 0, -B_D/2-0.07>,
    < B_W/2+0.07, 0.20, B_D/2+0.07>
    texture { Trim_Tex }
  }
}

// ---------------- Facade details (frames + recess) ----------------
#declare Mortar_Tex =
texture {
  pigment { color rgb MortarColor }
  finish { diffuse 0.9 specular 0.06 roughness 0.10 }
}

#declare Facade_Details =
union {
  // Door recess panel
  box {
    <-DoorW/2-0.22, DoorY0-0.12, FrontZ-0.01>,
    < DoorW/2+0.22, DoorY0+DoorH+0.20, FrontZ+0.09>
    texture { Mortar_Tex }
  }

  // Door frame (thin border)
  difference {
    box { <-DoorW/2-0.26, DoorY0-0.10, FrontZ-0.005>, <DoorW/2+0.26, DoorY0+DoorH+0.26, FrontZ+0.14> }
    box { <-DoorW/2-0.12, DoorY0-0.02, FrontZ-0.02>, <DoorW/2+0.12, DoorY0+DoorH+0.12, FrontZ+0.22> }
    texture { Frame_Tex }
  }

  #macro WinRecess(XC)
    box {
      <XC-WinW/2-0.22, WinY0-0.14, FrontZ-0.01>,
      <XC+WinW/2+0.22, WinY0+WinH+0.22, FrontZ+0.09>
      texture { Mortar_Tex }
    }
    difference {
      box { <XC-WinW/2-0.26, WinY0-0.12, FrontZ-0.005>, <XC+WinW/2+0.26, WinY0+WinH+0.26, FrontZ+0.14> }
      box { <XC-WinW/2-0.12, WinY0-0.02, FrontZ-0.02>, <XC+WinW/2+0.12, WinY0+WinH+0.12, FrontZ+0.22> }
      texture { Frame_Tex }
    }
  #end

  WinRecess(WinX1)
  WinRecess(WinX2)
}

// ---------------- Door ----------------
#declare Door =
union {
  box {
    <-DoorW/2, DoorY0, FrontZ+0.11>,
    < 0.00,   DoorY0+DoorH, FrontZ+0.25>
    texture { Wood_Tex }
  }
  box {
    < 0.00,   DoorY0, FrontZ+0.11>,
    < DoorW/2, DoorY0+DoorH, FrontZ+0.25>
    texture { Wood_Tex }
  }

  box {
    <-0.03, DoorY0, FrontZ+0.25>,
    < 0.03, DoorY0+DoorH, FrontZ+0.265>
    texture {
      pigment { color rgb <0.10, 0.08, 0.06> }
      finish { diffuse 0.9 specular 0.10 roughness 0.08 }
    }
  }

  cylinder { <-0.40, DoorY0+1.35, FrontZ+0.27>, <-0.40, DoorY0+1.35, FrontZ+0.33>, 0.04
    texture { pigment { color rgb <0.78, 0.65, 0.38> } finish { diffuse 0.35 specular 0.85 roughness 0.02 } }
  }
  cylinder { < 0.40, DoorY0+1.35, FrontZ+0.27>, < 0.40, DoorY0+1.35, FrontZ+0.33>, 0.04
    texture { pigment { color rgb <0.78, 0.65, 0.38> } finish { diffuse 0.35 specular 0.85 roughness 0.02 } }
  }
}

// ---------------- Windows: glass + emissive "curtain" + stronger interior light ----------------
#declare WindowSet =
union {
  #macro OneWindow(XC)
    // Glass pane (translucent)
    box {
      <XC-WinW/2, WinY0, FrontZ+0.095>,
      <XC+WinW/2, WinY0+WinH, FrontZ+0.120>
      texture { Glass_Tex }
      interior { ior 1.5 }
    }

    // Muntins
    box { <XC-0.02, WinY0, FrontZ+0.120>, <XC+0.02, WinY0+WinH, FrontZ+0.155> texture { Frame_Tex } }
    box { <XC-WinW/2, WinY0+WinH/2-0.02, FrontZ+0.120>, <XC+WinW/2, WinY0+WinH/2+0.02, FrontZ+0.155> texture { Frame_Tex } }

    // Emissive curtain plane behind glass (so you clearly "see light through the window")
    box {
      <XC-WinW/2+0.03, WinY0+0.03, FrontZ+0.34>,
      <XC+WinW/2-0.03, WinY0+WinH-0.03, FrontZ+0.345>
      texture { Curtain_Emissive_Tex }
    }

    // Warm interior light (inside)
    light_source {
      <XC, WinY0+WinH*0.55, FrontZ+0.70>
      color rgb <1.0, 0.68, 0.38>*2.0
      fade_distance 3.0
      fade_power 2
    }
  #end

  OneWindow(WinX1)
  OneWindow(WinX2)
}

// Subtle volumetric glow just inside the facade (fast: small box, low samples)
#declare GlowBox =
box {
  <-B_W/2+0.35, 0.35, FrontZ+0.30>,
  < B_W/2-0.35, B_H-0.35, FrontZ+1.10>
  hollow
  texture { pigment { rgbt 1 } }
  interior {
    media {
      scattering { 1, rgb <1.0, 0.78, 0.55>*0.08 }
      absorption rgb <0.20, 0.15, 0.10>*0.05
      samples 8, 16
      method 3
      density {
        spherical
        color_map {
          [0.00 rgb 0.0]
          [0.50 rgb 0.2]
          [1.00 rgb 0.0]
        }
        scale 8
        warp { turbulence 0.6 }
      }
    }
  }
}

// ---------------- Scene assembly ----------------
object { Building }
object { Facade_Details }
object { Door }
object { WindowSet }
object { GlowBox }

// Path / worn patch
box {
  <-1.55, 0.001, FrontZ-2.0>, <1.55, 0.003, FrontZ-0.40>
  texture {
    pigment {
      bozo
      color_map {
        [0.00 rgb <0.18, 0.16, 0.13>]
        [0.55 rgb <0.30, 0.28, 0.22>]
        [1.00 rgb <0.22, 0.20, 0.16>]
      }
      scale 0.55
    }
    normal { bumps 0.25 scale 0.18 }
    finish { diffuse 0.9 specular 0.05 roughness 0.10 }
  }
}

// Simple sky gradient dome (cheap atmosphere)
sphere {
  <0, 0, 0>, 200
  hollow
  texture {
    pigment {
      gradient y
      color_map {
        [0.00 rgb <0.30, 0.45, 0.70>]
        [0.45 rgb <0.55, 0.70, 0.92>]
        [1.00 rgb <0.85, 0.92, 1.00>]
      }
      scale 2
      translate y*-0.2
    }
    finish { ambient 1 diffuse 0 }
  }
  no_shadow
}