// Brick evening old-town cityscape with castle hill (fast iterative)
// Inspired by provided videos (castle.mp4, old_town.mp4)
#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

#include "colors.inc"

// -------------------- Background / atmosphere --------------------
background { color rgb <0.10, 0.12, 0.18> }

fog {
  distance 90
  color rgb <0.10, 0.12, 0.18>
  fog_type 2
  fog_alt 2.4
  turbulence 0.12
}

// -------------------- Camera --------------------
camera {
  location <18, 11.2, -22>
  look_at  <0, 4.1,  0>
  angle 42
}

// -------------------- Lights (warm, soft shadows) --------------------
light_source {
  <0, 75, -35>
  color rgb <0.10, 0.14, 0.20>
  shadowless
}

light_source {
  <55, 65, -45>
  color rgb <0.24, 0.27, 0.34>*0.75
  area_light <10,0,0>, <0,0,10>, 4, 4
  adaptive 1
  jitter
}

#macro ConeLight(Pos, Target, Col, Radius, Fall, Tight)
light_source {
  Pos
  color Col
  spotlight
  point_at Target
  radius Radius
  falloff Fall
  tightness Tight
}
#end

#declare WarmLamp = rgb <1.00, 0.80, 0.55>*1.25;

// -------------------- Finishes (simple, fast) --------------------
#declare F_Wall   = finish { diffuse 0.88 specular 0.05 roughness 0.10 ambient 0.01 };
#declare F_Stone  = finish { diffuse 0.84 specular 0.07 roughness 0.07 ambient 0.008 };
#declare F_Roof   = finish { diffuse 0.76 specular 0.10 roughness 0.06 ambient 0.008 };
#declare F_Ground = finish { diffuse 0.92 specular 0.04 roughness 0.12 ambient 0.005 };
#declare F_Metal  = finish { diffuse 0.55 specular 0.20 roughness 0.05 ambient 0.01 };

// -------------------- Brick textures (procedural) --------------------
// Note: Using built-in "brick" pattern + subtle noise for variation.

#declare TX_Brick_Red =
texture{
  pigment{
    average
    pigment_map{
      [1 brick
        color rgb <0.56,0.22,0.18>,  // brick
        color rgb <0.72,0.72,0.70>   // mortar
        brick_size <0.55, 0.25, 0.28>
        mortar 0.08
        scale 0.85
      ]
      [1 bozo
        color_map{
          [0.00 rgb <0.96,0.92,0.90>]
          [0.55 rgb <1.00,0.98,0.96>]
          [1.00 rgb <0.92,0.88,0.86>]
        }
        scale 1.4
      ]
    }
  }
  normal{
    average
    normal_map{
      [1 brick 0.55 brick_size <0.55,0.25,0.28> mortar 0.08 scale 0.85]
      [1 bumps 0.18 scale 0.22]
    }
  }
  finish { F_Wall }
}

#declare TX_Brick_Warm =
texture{
  pigment{
    average
    pigment_map{
      [1 brick
        color rgb <0.62,0.30,0.22>,
        color rgb <0.73,0.72,0.70>
        brick_size <0.56, 0.26, 0.30>
        mortar 0.075
        scale 0.86
      ]
      [1 bozo
        color_map{
          [0.00 rgb <0.95,0.92,0.90>]
          [0.55 rgb <1.00,0.98,0.96>]
          [1.00 rgb <0.90,0.87,0.85>]
        }
        scale 1.5
      ]
    }
  }
  normal{
    average
    normal_map{
      [1 brick 0.58 brick_size <0.56,0.26,0.30> mortar 0.075 scale 0.86]
      [1 bumps 0.16 scale 0.24]
    }
  }
  finish { F_Wall }
}

#declare TX_Brick_Dark =
texture{
  pigment{
    average
    pigment_map{
      [1 brick
        color rgb <0.38,0.20,0.18>,
        color rgb <0.62,0.62,0.60>
        brick_size <0.55, 0.25, 0.28>
        mortar 0.085
        scale 0.84
      ]
      [1 bozo
        color_map{
          [0.00 rgb <0.94,0.94,0.94>]
          [0.55 rgb <1.00,1.00,1.00>]
          [1.00 rgb <0.90,0.90,0.90>]
        }
        scale 1.3
      ]
    }
  }
  normal{
    average
    normal_map{
      [1 brick 0.60 brick_size <0.55,0.25,0.28> mortar 0.085 scale 0.84]
      [1 bumps 0.14 scale 0.24]
    }
  }
  finish { F_Wall }
}

#declare TX_Roof_Red =
texture{
  pigment{
    wrinkles
    color_map{
      [0.00 rgb <0.34,0.12,0.12>]
      [0.55 rgb <0.43,0.16,0.14>]
      [1.00 rgb <0.52,0.20,0.18>]
    }
    scale <0.25,0.10,0.25>
  }
  normal { ripples 0.45 scale <0.25,0.08,0.25> }
  finish { F_Roof }
}

#declare TX_Roof_Brown =
texture{
  pigment{
    wrinkles
    color_map{
      [0.00 rgb <0.24,0.15,0.10>]
      [0.55 rgb <0.32,0.20,0.13>]
      [1.00 rgb <0.42,0.28,0.20>]
    }
    scale <0.28,0.12,0.28>
  }
  normal { ripples 0.42 scale <0.28,0.09,0.28> }
  finish { F_Roof }
}

#declare TX_AsphaltCobble =
texture{
  pigment{
    bozo
    color_map{
      [0.00 rgb <0.07,0.07,0.09>]
      [0.55 rgb <0.10,0.10,0.12>]
      [1.00 rgb <0.14,0.14,0.16>]
    }
    scale 0.65
  }
  normal{
    average
    normal_map{
      [1 bumps 0.25 scale 0.20]
      [1 crackle 0.35 scale 0.35]
    }
  }
  finish { F_Ground }
}

#declare TX_Curb =
texture{
  pigment{ color rgb <0.18,0.18,0.20> }
  normal { bumps 0.20 scale 0.18 }
  finish { diffuse 0.92 specular 0.04 roughness 0.10 ambient 0.005 }
}

// -------------------- Ground + street --------------------
plane { y, 0 texture { TX_AsphaltCobble } }

#declare StreetW = 2.8;

// Street band
box {
  <-20, 0.001, -StreetW>, <20, 0.02, StreetW>
  texture { TX_AsphaltCobble }
}

// Curbs (thin, slightly raised)
box { <-20, 0.02, -StreetW-0.30>, <20, 0.10, -StreetW> texture{TX_Curb} }
box { <-20, 0.02,  StreetW>,      <20, 0.10,  StreetW+0.30> texture{TX_Curb} }

// -------------------- Modular buildings --------------------
#macro House(W, D, H, RoofH, WallTex, RoofTex, BaseLift)
  union {
    box {
      <-W/2, BaseLift, -D/2>, <W/2, BaseLift+H, D/2>
      texture { WallTex }
    }
    // pitched roof prism along Z (sits exactly on top of the box)
    prism {
      linear_sweep
      linear_spline
      -D/2, D/2, 3,
      <-W/2, BaseLift+H>,
      < 0,   BaseLift+H+RoofH>,
      < W/2, BaseLift+H>
      texture { RoofTex }
    }
  }
#end

#macro Tower(R, H, CapH, WallTex, CapTex, BaseLift)
  union {
    cylinder { <0,BaseLift,0>, <0,BaseLift+H,0>, R texture { WallTex } }
    cone { <0,BaseLift+H,0>, R*1.05, <0,BaseLift+H+CapH,0>, 0 texture { CapTex } }
  }
#end

// -------------------- Window hints (simple emissive rectangles) --------------------
#macro WindowsOnBox(W, D, H, BaseLift)
  #local WY = BaseLift + 1.2;
  #local WW = 0.28;
  #local WH = 0.38;
  #local Glow = texture {
    pigment { color rgb <1.0,0.78,0.52>*0.9 }
    finish  { diffuse 0.2 ambient 0.85 specular 0.0 }
  };

  union{
    // front ( -Z )
    #local i=0;
    #while (i<3)
      box{
        <-W*0.30 + i*(W*0.30), WY, -D/2-0.001>,
        <-W*0.30 + i*(W*0.30) + WW, WY+WH, -D/2-0.0005>
        texture{Glow}
      }
      #local i=i+1;
    #end

    // back ( +Z ) dimmer
    box{
      < -W*0.18, WY+0.2, D/2+0.0005>,
      < -W*0.18+WW, WY+0.2+WH, D/2+0.001>
      texture{
        pigment{color rgb <1.0,0.75,0.50>*0.35}
        finish { diffuse 0.2 ambient 0.45 }
      }
    }
  }
#end

// -------------------- Town block layout (brick buildings) --------------------
#declare b0 = 0.00;
#declare b1 = 0.03;
#declare b2 = 0.06;

// Row 1 (front)
union{ object { House(3.6, 2.8, 3.2, 1.4, TX_Brick_Red,  TX_Roof_Red,   b0) } WindowsOnBox(3.6,2.8,3.2,b0) translate <-8.4,0,-6.5> }
union{ object { House(3.0, 3.0, 3.8, 1.6, TX_Brick_Warm, TX_Roof_Brown, b1) } WindowsOnBox(3.0,3.0,3.8,b1) translate <-4.2,0,-6.7> }
union{ object { House(4.0, 3.2, 3.5, 1.5, TX_Brick_Red,  TX_Roof_Red,   b0) } WindowsOnBox(4.0,3.2,3.5,b0) translate < 0.0,0,-6.6> }
union{ object { House(3.2, 2.9, 4.2, 1.7, TX_Brick_Dark, TX_Roof_Brown, b2) } WindowsOnBox(3.2,2.9,4.2,b2) translate < 4.3,0,-6.7> }
union{ object { House(3.8, 3.1, 3.1, 1.3, TX_Brick_Warm, TX_Roof_Red,   b1) } WindowsOnBox(3.8,3.1,3.1,b1) translate < 8.5,0,-6.6> }

// Row 2
union{ object { House(3.4, 3.0, 4.0, 1.5, TX_Brick_Dark, TX_Roof_Red,   b1) } WindowsOnBox(3.4,3.0,4.0,b1) rotate <0, 8,0>  translate <-8.5,0,-2.5> }
union{ object { House(3.9, 3.3, 4.6, 1.8, TX_Brick_Red,  TX_Roof_Brown, b0) } WindowsOnBox(3.9,3.3,4.6,b0) rotate <0,-6,0> translate <-4.3,0,-2.4> }
union{ object { House(4.2, 3.5, 4.3, 1.7, TX_Brick_Warm, TX_Roof_Red,   b2) } WindowsOnBox(4.2,3.5,4.3,b2) rotate <0, 4,0>  translate < 0.2,0,-2.3> }
union{ object { House(3.2, 3.0, 4.8, 1.9, TX_Brick_Red,  TX_Roof_Brown, b1) } WindowsOnBox(3.2,3.0,4.8,b1) rotate <0,-7,0> translate < 4.4,0,-2.5> }
union{ object { House(3.6, 3.2, 4.1, 1.6, TX_Brick_Dark, TX_Roof_Red,   b0) } WindowsOnBox(3.6,3.2,4.1,b0) rotate <0, 6,0>  translate < 8.6,0,-2.4> }

// Row 3 (back)
union{ object { House(3.2, 3.1, 5.0, 2.0, TX_Brick_Warm, TX_Roof_Red,   b2) } WindowsOnBox(3.2,3.1,5.0,b2) rotate <0,-8,0> translate <-8.6,0, 1.6> }
union{ object { House(3.8, 3.6, 5.3, 2.1, TX_Brick_Dark, TX_Roof_Brown, b1) } WindowsOnBox(3.8,3.6,5.3,b1) rotate <0, 5,0>  translate <-4.4,0, 1.5> }
union{ object { House(4.5, 3.8, 5.6, 2.2, TX_Brick_Red,  TX_Roof_Red,   b0) } WindowsOnBox(4.5,3.8,5.6,b0) rotate <0,-4,0> translate < 0.1,0, 1.7> }
union{ object { House(3.4, 3.2, 5.1, 2.0, TX_Brick_Warm, TX_Roof_Brown, b2) } WindowsOnBox(3.4,3.2,5.1,b2) rotate <0, 7,0>  translate < 4.4,0, 1.6> }
union{ object { House(3.9, 3.7, 5.2, 2.1, TX_Brick_Red,  TX_Roof_Red,   b1) } WindowsOnBox(3.9,3.7,5.2,b1) rotate <0,-6,0> translate < 8.7,0, 1.5> }

// Old-town towers (brick shafts for town, like historic brick towers)
object { Tower(0.65, 7.6, 2.2, TX_Brick_Dark, TX_Roof_Red,   0.00) translate <-2.6,0,-4.5> }
object { Tower(0.55, 6.4, 2.0, TX_Brick_Dark, TX_Roof_Brown, 0.00) translate < 6.7,0,-1.0> }

// -------------------- Lamp posts --------------------
#macro LampPost(P)
union{
  cylinder { P, P+<0,1.55,0>, 0.06 pigment{color rgb<0.10,0.10,0.12>} finish{F_Metal} }
  cylinder { P+<0,1.55,0>, P+<0,1.80,0>, 0.04 pigment{color rgb<0.10,0.10,0.12>} finish{F_Metal} }
  sphere   { P+<0,1.86,0>, 0.10
    pigment{color rgb<0.18,0.16,0.14>}
    finish{ diffuse 0.5 specular 0.12 roughness 0.06 ambient 0.25 }
  }
}
#end

#declare L1 = <-10.5, 0,  0.0>;
#declare L2 = <-4.5,  0,  0.0>;
#declare L3 = < 1.5,  0,  0.0>;
#declare L4 = < 7.5,  0,  0.0>;

object { LampPost(L1) }
object { LampPost(L2) }
object { LampPost(L3) }
object { LampPost(L4) }

ConeLight(L1+<0,1.9,0>, L1+<0,0.0,0>, WarmLamp, 18, 32, 18)
ConeLight(L2+<0,1.9,0>, L2+<0,0.0,0>, WarmLamp, 18, 32, 18)
ConeLight(L3+<0,1.9,0>, L3+<0,0.0,0>, WarmLamp, 18, 32, 18)
ConeLight(L4+<0,1.9,0>, L4+<0,0.0,0>, WarmLamp, 18, 32, 18)

// Warm façade spotlights
ConeLight(<-14, 6.5, -12>, <-6.0, 2.8, -6.5>, rgb<1.0,0.82,0.60>*0.9, 16, 26, 20)
ConeLight(< 14, 7.0, -12>, < 6.0, 3.0, -6.5>, rgb<1.0,0.82,0.60>*0.85,16, 26, 20)

// -------------------- Distant hill + castle --------------------
difference {
  sphere { <0, -30, 28>, 40 }
  plane  { y, 0 inverse }
  texture{
    pigment{
      bozo
      color_map{
        [0.00 rgb <0.13,0.18,0.16>]
        [0.60 rgb <0.18,0.22,0.20>]
        [1.00 rgb <0.10,0.14,0.12>]
      }
      scale 2.2
    }
    normal { bumps 0.35 scale 0.9 }
    finish { diffuse 0.95 specular 0.01 roughness 0.18 ambient 0.01 }
  }
}

// Castle stays stone for material contrast
#declare TX_CastleStone =
texture{
  pigment{
    granite
    color_map{
      [0.00 rgb <0.20,0.21,0.23>]
      [0.55 rgb <0.26,0.27,0.30>]
      [1.00 rgb <0.34,0.35,0.38>]
    }
    scale 0.85
  }
  normal { granite 0.75 scale 0.32 }
  finish { diffuse 0.80 specular 0.07 roughness 0.06 ambient 0.005 }
}

#declare TX_CastleRoof =
texture{
  pigment{
    wrinkles
    color_map{
      [0.00 rgb <0.10,0.10,0.12>]
      [0.60 rgb <0.14,0.14,0.16>]
      [1.00 rgb <0.18,0.18,0.20>]
    }
    scale <0.30,0.12,0.30>
  }
  normal { ripples 0.30 scale <0.30,0.10,0.30> }
  finish { diffuse 0.70 specular 0.10 roughness 0.05 ambient 0.005 }
}

union {
  box { <-2.4, 0, -1.8>, < 2.4, 4.8,  1.8> texture { TX_CastleStone } }
  box { <-5.0, 0, -1.2>, <-2.6, 3.2, 1.2> texture { TX_CastleStone } }
  box { < 2.6, 0, -1.2>, < 5.0, 3.2, 1.2> texture { TX_CastleStone } }

  object { Tower(0.7, 5.6, 2.0, TX_CastleStone, TX_CastleRoof, 0.00) translate <-4.7,0,-1.1> }
  object { Tower(0.7, 5.6, 2.0, TX_CastleStone, TX_CastleRoof, 0.00) translate <-4.7,0, 1.1> }
  object { Tower(0.7, 5.6, 2.0, TX_CastleStone, TX_CastleRoof, 0.00) translate < 4.7,0,-1.1> }
  object { Tower(0.7, 5.6, 2.0, TX_CastleStone, TX_CastleRoof, 0.00) translate < 4.7,0, 1.1> }

  prism {
    linear_sweep
    linear_spline
    -1.8, 1.8, 3,
    <-2.4, 4.8>,
    < 0.0, 6.3>,
    < 2.4, 4.8>
    texture { TX_CastleRoof }
  }

  scale <1.2,1.2,1.2>
  rotate <0, 12, 0>
  translate <0, 0.0, 22.5>
}

// Rim light to separate castle from hill
ConeLight(<-6, 14, 10>, <0, 4.5, 22.5>, rgb<1.0,0.75,0.55>*0.25, 10, 18, 8)