// Cityscape inspired by "old town" + distant "castle" silhouette
#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

background { color rgb <0.78, 0.86, 0.95> } // soft sky

// -------------------- Camera --------------------
camera {
  location <18, 12, -22>
  look_at  <0, 4.5,  0>
  angle 42
}

// -------------------- Lights (warm + soft shadows) --------------------
light_source {
  <35, 45, -30>
  color rgb <1.00, 0.90, 0.78>
  area_light <6,0,0>, <0,0,6>, 6, 6
  adaptive 1
  jitter
}

light_source {
  <-20, 25, -10>
  color rgb <0.85, 0.80, 0.75>
  area_light <4,0,0>, <0,0,4>, 5, 5
  adaptive 1
  jitter
}

// gentle fill
light_source {
  <0, 60, 0>
  color rgb <0.35, 0.38, 0.45>
  shadowless
}

// -------------------- Simple finishes (no textures) --------------------
#declare F_Matte = finish { diffuse 0.85 specular 0.06 roughness 0.08 ambient 0.0 };
#declare F_Roof  = finish { diffuse 0.80 specular 0.10 roughness 0.06 ambient 0.0 };

// -------------------- Ground + street --------------------
plane {
  y, 0
  pigment { color rgb <0.62, 0.66, 0.62> }
  finish { diffuse 0.9 specular 0.02 roughness 0.12 }
}

#declare StreetW = 2.8;
box {
  <-20, 0.001, -StreetW>, <20, 0.02, StreetW>
  pigment { color rgb <0.30, 0.31, 0.33> }
  finish { diffuse 0.9 specular 0.03 roughness 0.10 }
}

// -------------------- Modular buildings --------------------
#macro House(W, D, H, RoofH, WallCol, RoofCol)
  union {
    // walls
    box {
      <-W/2, 0, -D/2>, <W/2, H, D/2>
      pigment { color WallCol }
      finish { F_Matte }
    }

    // pitched roof (triangular prism along Z)
    prism {
      linear_sweep
      linear_spline
      -D/2, D/2, 3,
      <-W/2, H>,
      < 0,   H+RoofH>,
      < W/2, H>
      pigment { color RoofCol }
      finish { F_Roof }
      translate <0,0,0>
    }
  }
#end

#macro Tower(R, H, CapH, ColWall, ColCap)
  union {
    cylinder { <0,0,0>, <0,H,0>, R
      pigment { color ColWall }
      finish { F_Matte }
    }
    cone { <0,H,0>, R*1.05, <0,H+CapH,0>, 0
      pigment { color ColCap }
      finish { F_Roof }
    }
  }
#end

// -------------------- Town block layout --------------------
#declare RoofRed   = rgb <0.55, 0.20, 0.18>;
#declare RoofBrown = rgb <0.42, 0.26, 0.18>;
#declare WallA     = rgb <0.86, 0.82, 0.74>;
#declare WallB     = rgb <0.78, 0.80, 0.74>;
#declare WallC     = rgb <0.72, 0.72, 0.70>;
#declare WallD     = rgb <0.84, 0.76, 0.68>;

#declare BlockSpacingX = 4.2;
#declare BlockSpacingZ = 4.1;

// Row 1 (front)
object { House(3.6, 2.8, 3.2, 1.4, WallA, RoofRed)   translate <-8.4,0,-6.5> }
object { House(3.0, 3.0, 3.8, 1.6, WallB, RoofBrown) translate <-4.2,0,-6.7> }
object { House(4.0, 3.2, 3.5, 1.5, WallD, RoofRed)   translate < 0.0,0,-6.6> }
object { House(3.2, 2.9, 4.2, 1.7, WallC, RoofBrown) translate < 4.3,0,-6.7> }
object { House(3.8, 3.1, 3.1, 1.3, WallA, RoofRed)   translate < 8.5,0,-6.6> }

// Row 2
object { House(3.4, 3.0, 4.0, 1.5, WallB, RoofRed)   translate <-8.5,0,-2.5> rotate <0,8,0> }
object { House(3.9, 3.3, 4.6, 1.8, WallA, RoofBrown) translate <-4.3,0,-2.4> rotate <0,-6,0> }
object { House(4.2, 3.5, 4.3, 1.7, WallD, RoofRed)   translate < 0.2,0,-2.3> rotate <0,4,0> }
object { House(3.2, 3.0, 4.8, 1.9, WallC, RoofBrown) translate < 4.4,0,-2.5> rotate <0,-7,0> }
object { House(3.6, 3.2, 4.1, 1.6, WallB, RoofRed)   translate < 8.6,0,-2.4> rotate <0,6,0> }

// Row 3 (back, denser)
object { House(3.2, 3.1, 5.0, 2.0, WallC, RoofRed)   translate <-8.6,0, 1.6> rotate <0,-8,0> }
object { House(3.8, 3.6, 5.3, 2.1, WallA, RoofBrown) translate <-4.4,0, 1.5> rotate <0,5,0> }
object { House(4.5, 3.8, 5.6, 2.2, WallD, RoofRed)   translate < 0.1,0, 1.7> rotate <0,-4,0> }
object { House(3.4, 3.2, 5.1, 2.0, WallB, RoofBrown) translate < 4.4,0, 1.6> rotate <0,7,0> }
object { House(3.9, 3.7, 5.2, 2.1, WallA, RoofRed)   translate < 8.7,0, 1.5> rotate <0,-6,0> }

// A couple of skyline accents (old-town towers)
object { Tower(0.65, 7.6, 2.2, rgb<0.78,0.76,0.72>, RoofRed)   translate <-2.6,0,-4.5> }
object { Tower(0.55, 6.4, 2.0, rgb<0.74,0.73,0.70>, RoofBrown) translate < 6.7,0,-1.0> }

// -------------------- Distant hill + castle silhouette --------------------
#declare HillCol = rgb <0.46, 0.50, 0.46>;

difference {
  sphere { <0, -30, 28>, 40 }
  plane  { y, 0 inverse }
  pigment { color HillCol }
  finish { diffuse 0.9 specular 0.02 roughness 0.15 }
}

// Simple castle massing on the hill
#declare CastleWall = rgb <0.68, 0.67, 0.64>;
#declare CastleRoof = rgb <0.35, 0.35, 0.37>;

union {
  // main keep
  box { <-2.4, 0, -1.8>, < 2.4, 4.8,  1.8>
    pigment { color CastleWall } finish { F_Matte }
  }
  // side wings
  box { <-5.0, 0, -1.2>, <-2.6, 3.2, 1.2>
    pigment { color CastleWall } finish { F_Matte }
  }
  box { < 2.6, 0, -1.2>, < 5.0, 3.2, 1.2>
    pigment { color CastleWall } finish { F_Matte }
  }

  // corner towers
  object { Tower(0.7, 5.6, 2.0, CastleWall, CastleRoof) translate <-4.7,0,-1.1> }
  object { Tower(0.7, 5.6, 2.0, CastleWall, CastleRoof) translate <-4.7,0, 1.1> }
  object { Tower(0.7, 5.6, 2.0, CastleWall, CastleRoof) translate < 4.7,0,-1.1> }
  object { Tower(0.7, 5.6, 2.0, CastleWall, CastleRoof) translate < 4.7,0, 1.1> }

  // roof block
  prism {
    linear_sweep
    linear_spline
    -1.8, 1.8, 3,
    <-2.4, 4.8>,
    < 0.0, 6.3>,
    < 2.4, 4.8>
    pigment { color CastleRoof }
    finish { F_Roof }
  }

  // place castle atop hill in distance
  scale <1.2,1.2,1.2>
  rotate <0, 12, 0>
  translate <0, 0.0, 22.5>
}