// scene090.pov - Textured village + castle, atmospheric lighting, fixed 45° roofs (no interlap)
#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

#include "colors.inc"
#include "textures.inc"
#include "functions.inc"

background { color rgb <0.70, 0.78, 0.88> }

// -------------------- Camera --------------------
camera {
  location  <22, 14, -26>
  look_at   <0, 4.2, 0>
  angle 40
}

// -------------------- Atmosphere --------------------
// Distance fog (bluish) + low fog band
fog {
  distance 120
  color rgb <0.70, 0.75, 0.82>
  fog_type 2
  fog_offset 0.6
  fog_alt 7
  turbulence 0.55
}
fog {
  distance 40
  color rgb <0.78, 0.79, 0.82>
  fog_type 2
  fog_offset 0.06
  fog_alt 2.0
  turbulence 0.9
}

// Subtle haze volume (kept light for speed)
#declare Use_Haze = 1;
#if (Use_Haze)
sphere {
  <0, 7, 0>, 140
  hollow
  texture { pigment { color rgbt <1,1,1,1> } }
  interior {
    media {
      scattering { 1, rgb <0.62, 0.68, 0.78>*0.18 }
      absorption rgb <0.15, 0.17, 0.20>*0.02
      density {
        gradient y
        color_map {
          [0.00 rgb 0.22]
          [0.12 rgb 0.14]
          [0.55 rgb 0.05]
          [1.00 rgb 0.00]
        }
        scale 20
        translate <0,-2.0,0>
      }
      samples 6, 12
      method 2
    }
  }
  no_shadow
}
#end

// -------------------- Lighting (warm + soft shadows) --------------------
light_source {
  <70, 60, -45>
  color rgb <1.00, 0.86, 0.72>*1.25
  area_light <12,0,0>, <0,0,12>, 5, 5
  adaptive 1
  jitter
  circular
}

light_source {
  <-40, 30, -12>
  color rgb <0.80, 0.88, 1.00>*0.32
  area_light <9,0,0>, <0,0,9>, 4, 4
  adaptive 1
  jitter
}

light_source {
  <0, 28, 10>
  color rgb <1.00, 0.94, 0.84>*0.18
}

// A faint “sky dome” ambience without expensive radiosity
sphere {
  <0,0,0>, 300
  hollow
  no_shadow
  texture {
    pigment {
      gradient y
      color_map {
        [0.00 rgb <0.60,0.70,0.82>]
        [0.60 rgb <0.78,0.84,0.92>]
        [1.00 rgb <0.92,0.94,0.98>]
      }
      scale 2
      translate <0,-1,0>
    }
    finish { emission 0.18 diffuse 0 }
  }
}

// -------------------- Materials (procedural, fast) --------------------
#declare T_Grass =
texture {
  pigment {
    bozo
    color_map {
      [0.00 color rgb <0.10, 0.20, 0.10>]
      [0.55 color rgb <0.16, 0.30, 0.16>]
      [1.00 color rgb <0.08, 0.16, 0.08>]
    }
    scale 3.2
  }
  normal { bumps 0.55 scale 0.35 }
  finish { diffuse 0.88 specular 0.02 roughness 0.09 }
}

#declare T_Plaster =
texture {
  pigment { color rgb <0.78, 0.76, 0.70> }
  normal { bumps 0.22 scale 0.25 }
  finish { diffuse 0.92 specular 0.03 roughness 0.08 }
}

#declare T_Wood =
texture {
  pigment {
    wood
    color_map {
      [0.00 color rgb <0.20, 0.12, 0.06>]
      [0.35 color rgb <0.33, 0.20, 0.10>]
      [1.00 color rgb <0.18, 0.10, 0.05>]
    }
    scale 0.6
    rotate <0, 90, 0>
  }
  normal { bumps 0.25 scale 0.10 }
  finish { diffuse 0.80 specular 0.05 roughness 0.07 }
}

#declare T_Roof =
texture {
  pigment {
    bozo
    color_map {
      [0.00 color rgb <0.18, 0.18, 0.20>]
      [0.60 color rgb <0.26, 0.24, 0.26>]
      [1.00 color rgb <0.13, 0.13, 0.15>]
    }
    scale 0.75
  }
  normal { bumps 0.35 scale 0.14 }
  finish { diffuse 0.86 specular 0.05 roughness 0.10 }
}

// Brick with better relief + mild color variation
#declare T_Brick_Base =
texture {
  pigment {
    brick
    color rgb <0.58, 0.22, 0.16>
    color rgb <0.74, 0.68, 0.62>
    brick_size <0.38, 0.20, 0.18>
    mortar 0.07
    scale 0.95
  }
  normal {
    average
    normal_map {
      [1.0 bumps 0.50 scale 0.10]
      [0.6 dents 0.25 scale 0.03]
    }
  }
  finish { diffuse 0.85 specular 0.06 roughness 0.06 }
}

// Stone for castle (granite + roughness detail)
#declare T_Stone_Base =
texture {
  pigment {
    granite
    color_map {
      [0.00 color rgb <0.20, 0.20, 0.22>]
      [0.45 color rgb <0.34, 0.34, 0.36>]
      [0.80 color rgb <0.52, 0.52, 0.54>]
      [1.00 color rgb <0.64, 0.64, 0.66>]
    }
    scale 0.70
  }
  normal {
    average
    normal_map {
      [1.0 bumps 0.75 scale 0.22]
      [0.8 bumps 0.25 scale 0.06]
    }
  }
  finish { diffuse 0.80 specular 0.05 roughness 0.10 }
}

// -------------------- Ground --------------------
plane { y, 0 texture { T_Grass } }

// -------------------- House macro (fixed 45° roof, no interlap) --------------------
#macro House(Pos, RotY, W, D, H, SeedOffset)
  union {
    // Base brick walls
    box {
      <-W/2, 0, -D/2>, < W/2, H,  D/2>
      texture {
        T_Brick_Base
        pigment {
          brick
          color rgb <0.58, 0.22, 0.16>
          color rgb <0.74, 0.68, 0.62>
          brick_size <0.38, 0.20, 0.18>
          mortar 0.07
          scale 0.95
          translate <SeedOffset, 0, SeedOffset*0.7>
        }
      }
    }

    // Plaster upper band (slight lift to avoid z-fight)
    box {
      <-W/2, H*0.62, -D/2>, < W/2, H, D/2>
      texture { T_Plaster }
      translate <0,0.02,0>
    }

    // Wood corner posts
    #local Post = 0.10;
    #local Inset = 0.02;
    box { <-W/2-Inset, 0, -D/2-Inset>, <-W/2+Post, H, -D/2+Post> texture { T_Wood } }
    box { < W/2-Post, 0, -D/2-Inset>, < W/2+Inset, H, -D/2+Post> texture { T_Wood } }
    box { <-W/2-Inset, 0,  D/2-Post>, <-W/2+Post, H,  D/2+Inset> texture { T_Wood } }
    box { < W/2-Post, 0,  D/2-Post>, < W/2+Inset, H,  D/2+Inset> texture { T_Wood } }

    // --- Roof: true 45° gable, two halves meet at ridge without overlap ---
    // Geometry notes:
    // - Ridge runs along Z (length D), centered at X=0
    // - Each half spans from ridge to one eave.
    // - Rotate around Z-axis by +/-45° about the ridge line.
    #local Overhang = 0.18;
    #local Thk      = 0.16;
    #local RidgeY   = H + (W/4);            // For 45°, rise = run = W/4 (half of half-width)
    #local EaveY    = H + 0.02;
    #local HalfRun  = (W/4) + Overhang;     // half-roof width from ridge to eave (incl. overhang)
    #local HalfLen  = (D/2) + Overhang;     // along Z

    union {
      // Left half (covers X <= 0)
      box {
        <-HalfRun, -Thk/2, -HalfLen>, <0, Thk/2, HalfLen>
        texture { T_Roof }
        translate <0, RidgeY, 0>
        rotate <0,0, 45>     // 45° pitch
      }
      // Right half (covers X >= 0)
      box {
        <0, -Thk/2, -HalfLen>, <HalfRun, Thk/2, HalfLen>
        texture { T_Roof }
        translate <0, RidgeY, 0>
        rotate <0,0,-45>
      }

      // Small ridge cap to hide any seam (very thin, no big overlap)
      box {
        <-0.03, -0.03, -HalfLen>, <0.03, 0.03, HalfLen>
        texture { T_Roof }
        translate <0, RidgeY, 0>
      }
    }

    rotate <0, RotY, 0>
    translate Pos
  }
#end

// -------------------- Castle macro (stone) --------------------
#macro Castle(Pos)
  union {
    // Main keep
    box { <-5.0, 0, -4.0>, <5.0, 7.0, 4.0>
      texture { T_Stone_Base }
    }

    // Battlements on keep
    #local i = -4;
    #while (i <= 4)
      box { <i-0.35, 7.0, -4.2>, <i+0.35, 7.8, -3.6> texture { T_Stone_Base } }
      box { <i-0.35, 7.0,  3.6>, <i+0.35, 7.8,  4.2> texture { T_Stone_Base } }
      #local i = i + 1;
    #end
    #local k = -3;
    #while (k <= 3)
      box { <-5.2, 7.0, k-0.35>, <-4.6, 7.8, k+0.35> texture { T_Stone_Base } }
      box { < 4.6, 7.0, k-0.35>, < 5.2, 7.8, k+0.35> texture { T_Stone_Base } }
      #local k = k + 1;
    #end

    // Corner towers + battlements
    #local TowerR = 1.35;
    #local TowerH = 9.0;

    union {
      cylinder { < -5.0, 0, -4.0>, < -5.0, TowerH, -4.0>, TowerR texture { T_Stone_Base } }
      cylinder { <  5.0, 0, -4.0>, <  5.0, TowerH, -4.0>, TowerR texture { T_Stone_Base } }
      cylinder { < -5.0, 0,  4.0>, < -5.0, TowerH,  4.0>, TowerR texture { T_Stone_Base } }
      cylinder { <  5.0, 0,  4.0>, <  5.0, TowerH,  4.0>, TowerR texture { T_Stone_Base } }

      #local a = 0;
      #while (a < 12)
        #local ang = a*30;
        box {
          <-0.22, TowerH, TowerR-0.15>, <0.22, TowerH+0.85, TowerR+0.35>
          texture { T_Stone_Base }
          rotate <0, ang, 0>
          translate <-5.0, 0, -4.0>
        }
        box {
          <-0.22, TowerH, TowerR-0.15>, <0.22, TowerH+0.85, TowerR+0.35>
          texture { T_Stone_Base }
          rotate <0, ang, 0>
          translate <5.0, 0, -4.0>
        }
        box {
          <-0.22, TowerH, TowerR-0.15>, <0.22, TowerH+0.85, TowerR+0.35>
          texture { T_Stone_Base }
          rotate <0, ang, 0>
          translate <-5.0, 0, 4.0>
        }
        box {
          <-0.22, TowerH, TowerR-0.15>, <0.22, TowerH+0.85, TowerR+0.35>
          texture { T_Stone_Base }
          rotate <0, ang, 0>
          translate <5.0, 0, 4.0>
        }
        #local a = a + 1;
      #end
    }

    // Gatehouse
    box { <-1.6, 0, -6.0>, <1.6, 6.2, -4.0> texture { T_Stone_Base } }
    difference {
      box { <-0.9, 0, -6.02>, <0.9, 3.1, -3.95> }
      cylinder { <0, 3.1, -6.1>, <0, 3.1, -3.9>, 0.9 rotate <90,0,0> }
      texture { T_Stone_Base }
    }

    // Subtle stone variation across the whole castle
    texture {
      pigment { granite color_map { [0 rgb 0.95] [1 rgb 1.05] } scale 1.8 }
      finish { diffuse 0.0 }
    }

    translate Pos
  }
#end

// -------------------- Place village houses (brick) --------------------
House(<-12, 0,  6>,  18, 5.0, 4.2, 3.4, 0.15)
House(<-15, 0, -3>, -12, 4.6, 3.8, 3.2, 0.65)
House(< -8, 0, -8>,  25, 5.4, 4.2, 3.6, 1.10)
House(<  8, 0,  8>, -20, 5.2, 4.0, 3.5, 1.55)
House(< 12, 0, -2>,  10, 4.8, 3.7, 3.2, 2.05)

// -------------------- Place castle (stone) --------------------
Castle(<0, 0, 0>)

// -------------------- Subtle path --------------------
box {
  <-18, 0.001, -1.2>, <18, 0.02, 1.2>
  texture {
    pigment {
      bozo
      color_map {
        [0.00 color rgb <0.28, 0.24, 0.20>]
        [0.70 color rgb <0.38, 0.34, 0.30>]
        [1.00 color rgb <0.24, 0.21, 0.18>]
      }
      scale 1.35
    }
    normal { bumps 0.28 scale 0.25 }
    finish { diffuse 0.86 specular 0.02 roughness 0.09 }
  }
  translate <0,0, -2.0>
}