#version 3.7;

global_settings { assumed_gamma 1.0 }

#include "colors.inc"

// ---------------- Sky ----------------
sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.00 color rgb <0.70, 0.85, 1.00>]
      [0.70 color rgb <0.82, 0.90, 1.00>]
      [1.00 color rgb <0.94, 0.97, 1.00>]
    }
  }
}

// ---------------- Camera ----------------
camera {
  location <22, 15, -28>
  look_at  <0, 6.2, 0>
  angle 40
}

// ---------------- Lights ----------------
light_source {
  <80, 120, -60>
  color rgb <1.0, 0.98, 0.92>
  area_light <10,0,0>, <0,0,10>, 5, 5
  adaptive 1
  jitter
}

light_source {
  <-40, 35, -20>
  color rgb <0.25, 0.30, 0.35>
  area_light <6,0,0>, <0,0,6>, 3, 3
  adaptive 1
  jitter
}

background { color rgb <0.94, 0.97, 1.00> }

// ---------------- Ground ----------------
plane {
  y, 0
  texture {
    pigment {
      bozo
      color_map {
        [0.0 color rgb <0.80, 0.82, 0.84>]
        [1.0 color rgb <0.87, 0.89, 0.91>]
      }
      scale 7
    }
    normal { bumps 0.12 scale 0.7 }
    finish  { diffuse 0.85 specular 0.05 roughness 0.08 }
  }
}

// ---------------- Materials ----------------
#declare Mat_DarkMetal =
texture {
  pigment { color rgb <0.18, 0.20, 0.23> }
  normal  { bumps 0.10 scale 0.25 }
  finish  { diffuse 0.60 specular 0.35 roughness 0.03 reflection 0.06 }
}

#declare Mat_Glass =
texture {
  pigment { color rgbt <0.45, 0.65, 0.80, 0.62> }
  finish  { diffuse 0.15 specular 0.70 roughness 0.008 reflection 0.10 }
}

// --- Fast procedural brick wall textures ---
// Note: The previous parse error was caused by using "strength" inside a normal{}.
// Here we scale the normal patterns instead (valid POV-Ray SDL).

#declare BrickScale = <2.2, 1.1, 1.0>; // controls brick size; tweak for taste

#declare Mat_BrickWall =
texture {
  pigment {
    brick
    color rgb <0.74, 0.74, 0.74> // mortar
    color rgb <0.62, 0.30, 0.23> // brick
    brick_size <0.80, 0.38, 0.35>
    mortar 0.14
    scale BrickScale
  }
  normal {
    average
    normal_map {
      [1.0 bumps    0.35 scale 0.18]
      [1.0 wrinkles 0.12 scale 0.55]
    }
  }
  finish { diffuse 0.88 specular 0.08 roughness 0.07 }
}

#declare Mat_BrickWall_Light =
texture {
  pigment {
    brick
    color rgb <0.78, 0.78, 0.78> // mortar
    color rgb <0.70, 0.36, 0.28> // brick
    brick_size <0.80, 0.38, 0.35>
    mortar 0.14
    scale BrickScale
  }
  normal {
    average
    normal_map {
      [1.0 bumps    0.28 scale 0.18]
      [1.0 wrinkles 0.10 scale 0.55]
    }
  }
  finish { diffuse 0.88 specular 0.07 roughness 0.075 }
}

// ---------------- Plaza ----------------
union {
  box {
    <-15, 0.02, -15>, <15, 0.28, 15>
    texture {
      pigment { color rgb <0.85, 0.86, 0.87> }
      normal  { bumps 0.10 scale 0.9 }
      finish  { diffuse 0.85 specular 0.05 roughness 0.08 }
    }
  }
  box {
    <-10.5, 0.28, -10.5>, <10.5, 0.50, 10.5>
    texture {
      pigment { color rgb <0.87, 0.88, 0.89> }
      normal  { bumps 0.08 scale 0.8 }
      finish  { diffuse 0.85 specular 0.05 roughness 0.08 }
    }
  }
  difference {
    box { <-11.8, 0.50, -11.8>, <11.8, 0.86, 11.8> }
    box { <-10.8, 0.49, -10.8>, <10.8, 0.87, 10.8> }
    texture { Mat_DarkMetal }
  }
}

// ---------------- Complex building (brick walls) ----------------
union {
  // Core mass
  box { <-4.2, 0.50, -3.2>, <4.2, 11.2, 3.2> texture { Mat_BrickWall } }

  // Upper setback on core
  box { <-2.9, 11.2, -2.2>, <2.9, 13.4, 2.2> texture { Mat_BrickWall_Light } }
  box { <-2.9, 13.4, -2.2>, <2.9, 13.7, 2.2> texture { Mat_DarkMetal } }

  // Vertical recess strip (accent)
  difference {
    box { <-4.35, 0.50, -3.35>, <4.35, 11.4, 3.35> }
    box { <-1.15, 1.1, -3.7>, <1.15, 10.7, 3.7> }
    texture { Mat_BrickWall_Light }
  }

  // Windows on core (front and sides)
  box { <-3.85, 1.25, -3.20>, <3.85, 10.75, -3.02> texture { Mat_Glass } }
  box { <-4.20, 1.55, -2.85>, <-4.02, 10.45, 2.85> texture { Mat_Glass } }
  box { < 4.02, 1.55, -2.85>, < 4.20, 10.45, 2.85> texture { Mat_Glass } }

  // Left tower (stepped)
  union {
    box { <-9.2, 0.50, -2.4>, <-4.6, 8.4, 2.4> texture { Mat_BrickWall } }
    box { <-8.3, 8.4, -1.8>, <-5.1, 11.9, 1.8> texture { Mat_BrickWall } }
    box { <-7.8, 11.9, -1.35>, <-5.6, 14.2, 1.35> texture { Mat_BrickWall_Light } }
    box { <-9.05, 1.25, -2.40>, <-4.75, 8.00, -2.18> texture { Mat_Glass } }
    box { <-8.15, 8.75, -1.80>, <-5.25, 11.55, -1.62> texture { Mat_Glass } }

    // Side buttress volume
    box { <-10.3, 0.50, 1.0>, <-9.2, 5.8, 2.4> texture { Mat_BrickWall_Light } }
    box { <-10.35, 5.8, 0.95>, <-9.15, 6.15, 2.45> texture { Mat_DarkMetal } }
  }

  // Right tower (cylindrical + cap)
  union {
    cylinder { <7.4, 0.50, 0>, <7.4, 11.0, 0>, 2.45 texture { Mat_BrickWall } }
    cylinder { <7.4, 11.0, 0>, <7.4, 12.1, 0>, 2.65 texture { Mat_DarkMetal } }
    cylinder { <7.4, 1.30, 0>, <7.4, 10.6, 0>, 2.20 texture { Mat_Glass } }

    // Vertical fin
    box { <4.6, 2.0, -0.35>, <6.9, 9.6, 0.35> texture { Mat_BrickWall_Light } }
    box { <4.55, 9.6, -0.40>, <6.95, 9.95, 0.40> texture { Mat_DarkMetal } }
  }

  // Skybridge connector
  union {
    box { <-4.4, 6.4, -1.5>, <4.4, 7.75, 1.5> texture { Mat_DarkMetal } }
    box { <-4.3, 6.55, -1.42>, <4.3, 7.62, -1.18> texture { Mat_Glass } }
    box { <-4.3, 6.55,  1.18>, <4.3, 7.62,  1.42> texture { Mat_Glass } }
    box { <-2.6, 6.0, -0.35>, <2.6, 6.4, 0.35> texture { Mat_DarkMetal } }
  }

  // Lower annex (front)
  union {
    box { <-3.4, 0.50, -7.3>, <3.4, 4.25, -3.2> texture { Mat_BrickWall } }
    box { <-3.1, 0.95, -7.30>, <3.1, 3.85, -7.06> texture { Mat_Glass } }
    box { <-3.45, 4.25, -7.35>, <3.45, 4.60, -3.15> texture { Mat_DarkMetal } }

    // Entrance notch
    difference {
      box { <-0.95, 0.50, -7.32>, <0.95, 2.55, -6.55> }
      box { <-0.55, 0.50, -7.40>, <0.55, 2.10, -6.70> }
      texture { Mat_BrickWall_Light }
    }
    box { <-1.10, 2.55, -7.35>, <1.10, 2.80, -6.50> texture { Mat_DarkMetal } }
  }

  // Rear service volume
  union {
    box { <-2.4, 0.50, 3.2>, <2.6, 6.0, 6.6> texture { Mat_BrickWall_Light } }
    box { <-2.15, 1.2, 6.45>, <2.35, 5.4, 6.62> texture { Mat_Glass } }
    box { <-2.45, 6.0, 3.15>, <2.65, 6.35, 6.65> texture { Mat_DarkMetal } }
  }

  // Roof mechanical frames
  union {
    box { <-3.7, 11.2, -2.7>, <-1.9, 12.8, -0.9> texture { Mat_DarkMetal } }
    box { < 1.9, 11.2,  0.9>, < 3.7, 12.6,  2.7> texture { Mat_DarkMetal } }
    cylinder { <0, 11.2, 0>, <0, 13.6, 0>, 0.55 texture { Mat_DarkMetal } }
    cylinder { <0.0, 13.6, 0>, <0.0, 13.85, 0>, 0.80 texture { Mat_DarkMetal } }
  }
}

// ---------------- Simple surrounding columns (context) ----------------
#declare ColTex =
texture {
  pigment { color rgb <0.62, 0.64, 0.67> }
  normal  { bumps 0.10 scale 0.3 }
  finish { diffuse 0.80 specular 0.05 roughness 0.08 }
}

union {
  #declare i = -1;
  #while (i <= 1)
    cylinder { <-12.4, 0.28, i*6>, <-12.4, 4.1, i*6>, 0.48 texture { ColTex } }
    cylinder { < 12.4, 0.28, i*6>, < 12.4, 4.1, i*6>, 0.48 texture { ColTex } }
    #declare i = i + 1;
  #end
}

// Low perimeter rails to frame the plaza (kept simple/fast)
union {
  box { <-15, 0.86, -15>, <15, 1.05, -14.4> texture { Mat_DarkMetal } }
  box { <-15, 0.86,  14.4>, <15, 1.05,  15> texture { Mat_DarkMetal } }
  box { <-15, 0.86, -15>, <-14.4, 1.05, 15> texture { Mat_DarkMetal } }
  box { < 14.4, 0.86, -15>, < 15, 1.05, 15> texture { Mat_DarkMetal } }
}