// Warm textured lighthouse vignette (no external images), inspired by zrk.jpg
#version 3.7;

global_settings {
  assumed_gamma 1.0
  max_trace_level 8
}

#include "colors.inc"

// ------------------------------------------------------------
// Camera / Background
// ------------------------------------------------------------
camera {
  location <0.2, 7.2, -19.5>
  look_at  <0.0, 5.3, 0.0>
  angle 36
}

sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.00 color rgb <0.03, 0.08, 0.09>]  // deep
      [0.45 color rgb <0.05, 0.22, 0.24>]  // teal
      [0.75 color rgb <0.10, 0.38, 0.42>]  // brighter teal
      [1.00 color rgb <0.32, 0.44, 0.42>]  // warm gray-green top
    }
    scale 1.6
  }
}

fog {
  fog_type 2
  distance 55
  color rgb <0.20, 0.40, 0.38>
  fog_offset 0
  fog_alt 2.0
  turbulence 0.8
}

// ------------------------------------------------------------
// Lights (warm, soft shadows)
// ------------------------------------------------------------
light_source {
  <16, 20, -22>
  color rgb <1.00, 0.86, 0.68>*1.25
  area_light <4,0,0>, <0,0,4>, 7, 7
  adaptive 1
  jitter
}

light_source {
  <-10, 13, -10>
  color rgb <1.00, 0.78, 0.58>*0.55
  area_light <3,0,0>, <0,0,3>, 6, 6
  adaptive 1
  jitter
}

light_source {
  <0, 16, -6>
  color rgb <0.55, 0.85, 1.00>*0.18
}

// ------------------------------------------------------------
// Finishes / Textures (procedural, fast)
// ------------------------------------------------------------
#declare Fin_Matte = finish { diffuse 0.95 ambient 0 specular 0.05 roughness 0.14 }
#declare Fin_Satin = finish { diffuse 0.85 ambient 0 specular 0.16 roughness 0.08 }
#declare Fin_Metal = finish { diffuse 0.25 ambient 0 specular 0.60 roughness 0.03 }

#declare Tex_Rock =
texture {
  pigment {
    bozo
    color_map {
      [0.00 rgb <0.02,0.03,0.04>]
      [0.45 rgb <0.03,0.04,0.06>]
      [1.00 rgb <0.06,0.07,0.10>]
    }
    turbulence 0.6
    scale 1.2
  }
  normal { bumps 0.65 scale 0.45 }
  finish { diffuse 0.95 ambient 0 specular 0.03 roughness 0.20 }
}

#declare Tex_Platform =
texture {
  pigment {
    granite
    color_map {
      [0.00 rgb <0.02,0.025,0.03>]
      [1.00 rgb <0.08,0.09,0.11>]
    }
    scale 0.55
  }
  normal { bumps 0.35 scale 0.25 }
  finish { diffuse 0.9 ambient 0 specular 0.05 roughness 0.14 }
}

#declare Tex_Paint =
texture {
  pigment {
    bozo
    color_map {
      [0.00 rgb <0.84,0.80,0.72>]
      [0.55 rgb <0.93,0.90,0.84>]
      [1.00 rgb <0.98,0.96,0.92>]
    }
    turbulence 0.35
    scale 0.85
  }
  normal { bumps 0.22 scale 0.22 }
  finish { diffuse 0.88 ambient 0 specular 0.12 roughness 0.07 }
}

#declare Tex_DarkMetal =
texture {
  pigment {
    granite
    color_map {
      [0.00 rgb <0.05,0.06,0.07>]
      [1.00 rgb <0.12,0.14,0.16>]
    }
    scale 0.25
  }
  normal { bumps 0.22 scale 0.15 }
  finish { Fin_Metal }
}

#declare Tex_Glass =
texture {
  pigment { color rgbt <1,1,1,0.88> }
  finish  { diffuse 0.05 ambient 0 specular 0.80 roughness 0.006 }
}

// Water-ish dark base (for reflection mood; kept subtle/fast)
plane {
  y, -7.2
  pigment { color rgb <0.02,0.07,0.08> }
  finish { diffuse 0.15 specular 0.10 roughness 0.12 }
  normal { ripples 0.25 scale 0.9 }
}

// ------------------------------------------------------------
// Cliff / Platform (stylized silhouette like reference)
// ------------------------------------------------------------
#declare CliffYShift = 1.0;

#declare Cliff =
union {
  // Top platform
  box { <-6.6, 0.0, -2.3>, <6.6, 0.60, 2.3> texture { Tex_Platform } }

  // Main cliff mass (stacked blocks)
  box { <-6.0, -2.8, -2.0>, <5.2, 0.0, 2.0> texture { Tex_Rock } }
  box { <-5.1, -5.8, -1.7>, <4.3, -2.8, 1.7> texture { Tex_Rock } }
  box { <-4.0, -8.4, -1.35>, <3.4, -5.8, 1.35> texture { Tex_Rock } }

  // Right-side overhang shaping
  box { <1.7, -2.4, -1.8>, <7.0, -0.3, 1.8> texture { Tex_Rock } }
  box { <3.0, -5.0, -1.35>, <6.8, -2.4, 1.35> texture { Tex_Rock } }

  // A few "chiseled" cuts (difference with big boxes) to break rectangular feel
  difference {
    box { <-6.0, -8.4, -2.0>, <7.0, 0.60, 2.0> texture { Tex_Rock } }
    box { <-7.0, -4.0, -3.0>, <-3.2, 1.5, 3.0> }
    box { <2.0, -7.4, -3.0>, <7.6, -3.2, 3.0> }
    box { <-2.0, -9.0, -3.0>, <1.8, -6.2, 3.0> }
  }

  translate <0, CliffYShift, 0>
}

object { Cliff }

// ------------------------------------------------------------
// Lighthouse (precisely stacked)
// ------------------------------------------------------------
#declare PlatformTopY = 0.60 + CliffYShift;
#declare BaseY   = PlatformTopY;
#declare TowerH  = 8.6;
#declare TowerR0 = 1.12;
#declare TowerR1 = 0.74;
#declare LightY  = BaseY + TowerH;

// Tower union
#declare Lighthouse =
union {
  // Tower body
  cone {
    <0, BaseY, 0>, TowerR0
    <0, BaseY + TowerH, 0>, TowerR1
    texture { Tex_Paint }
  }

  // Base metal ring (touching platform)
  cylinder {
    <0, BaseY-0.10, 0>, <0, BaseY+0.10, 0>, TowerR0*1.03
    texture { Tex_DarkMetal }
  }

  // Small window/door recess
  difference {
    box { <-0.26, BaseY+1.0, -1.01>, <0.26, BaseY+2.0, -0.60> }
    box { <-0.18, BaseY+1.12, -1.03>, <0.18, BaseY+1.90, -0.72> }
    texture { Tex_DarkMetal }
  }

  // Lantern deck ring
  cylinder {
    <0, LightY-0.28, 0>, <0, LightY+0.12, 0>, 1.06
    texture { Tex_DarkMetal }
  }

  // Railing posts
  #declare k = 0;
  #while (k < 14)
    #declare ang = radians(k*(360/14));
    cylinder {
      <0.95*cos(ang), LightY+0.12, 0.95*sin(ang)>,
      <0.95*cos(ang), LightY+0.58, 0.95*sin(ang)>,
      0.04
      texture { Tex_DarkMetal }
    }
    #declare k = k + 1;
  #end

  // Lantern frame ring (shell)
  difference {
    cylinder { <0, LightY+0.12, 0>, <0, LightY+0.98, 0>, 0.88 }
    cylinder { <0, LightY+0.14, 0>, <0, LightY+0.96, 0>, 0.79 }
    texture { Tex_DarkMetal }
  }

  // Lantern glass
  cylinder {
    <0, LightY+0.16, 0>, <0, LightY+0.94, 0>, 0.80
    texture { Tex_Glass }
    no_shadow
  }

  // Inner warm emitter
  cylinder {
    <0, LightY+0.22, 0>, <0, LightY+0.88, 0>, 0.62
    pigment { color rgb <1.00, 0.93, 0.78>*1.6 }
    finish  { diffuse 0.10 ambient 1.25 specular 0 }
    no_shadow
  }

  // Roof cap
  cone {
    <0, LightY+0.98, 0>, 0.98,
    <0, LightY+1.52, 0>, 0.10
    texture { Tex_DarkMetal }
  }
}

object { Lighthouse }

// ------------------------------------------------------------
// Lighthouse beam (soft, warm, textured)
// ------------------------------------------------------------
#declare BeamLen   = 30;
#declare BeamAngle = 14;

cone {
  <0, 0, 0>, 0.22
  <BeamLen, 0, 0>, tan(radians(BeamAngle))*BeamLen
  hollow
  texture {
    pigment {
      bozo
      color_map {
        [0.00 rgbt <1.00, 0.95, 0.84, 0.90>]
        [0.35 rgbt <1.00, 0.94, 0.82, 0.78>]
        [1.00 rgbt <1.00, 0.94, 0.82, 0.93>]
      }
      turbulence 1.0
      scale 2.2
    }
    finish { diffuse 0.06 ambient 0.95 specular 0 }
  }
  no_shadow
  translate <0, LightY+0.62, 0>
  rotate <0, -10, 0>
}

// ------------------------------------------------------------
// Simple silhouette figures (textured slightly)
// ------------------------------------------------------------
#declare Tex_Silhouette =
texture {
  pigment {
    bozo
    color_map {
      [0.00 rgb <0.03,0.04,0.06>]
      [1.00 rgb <0.08,0.10,0.14>]
    }
    scale 0.35
  }
  finish { Fin_Matte }
}

#macro Person(Pos, S)
union {
  cylinder { <0,0,0>, <0,1.25,0>, 0.22 }     // torso
  sphere   { <0,1.52,0>, 0.29 }              // head
  cylinder { <-0.11,0,0>, <-0.11,-0.70,0>, 0.10 }
  cylinder { < 0.11,0,0>, < 0.11,-0.70,0>, 0.10 }
  cylinder { <0.20,0.90,0>, <0.58,0.55,0>, 0.07 }
  texture { Tex_Silhouette }
  scale S
  translate Pos
}
#end

Person(<-1.25, BaseY+0.06, -0.35>, 0.90)
Person(< 1.85, BaseY+0.06, -0.12>, 1.15)
Person(<-2.45, BaseY+0.06, -0.05>, 0.70)

// ------------------------------------------------------------
// Zodiac-like faint arc behind lighthouse
// ------------------------------------------------------------
#declare RingR = 5.6;
#declare RingY = LightY+0.85;
#declare RingZ = 0.6;
#declare DotN  = 46;

#declare i = 0;
#while (i < DotN)
  #declare a = radians(205 + (135*i/(DotN-1)));
  sphere {
    <RingR*cos(a), RingY + 0.10*sin(a*0.65), RingZ + RingR*sin(a)>
    0.075
    texture {
      pigment { color rgbt <0.98, 1.00, 1.00, 0.45> }
      finish  { diffuse 0.05 ambient 0.85 specular 0 }
    }
    no_shadow
  }
  #declare i = i + 1;
#end

// ------------------------------------------------------------
// Floating bokeh/snow particles (fast procedural)
// ------------------------------------------------------------
#declare PCount = 75;
#declare j = 0;
#while (j < PCount)
  #declare s1 = seed(1000 + j*7);
  #declare s2 = seed(2000 + j*11);
  #declare s3 = seed(3000 + j*13);

  #declare px = -8 + 16*rand(s1);
  #declare py =  2 + 13*rand(s2);
  #declare pz = -8 + 22*rand(s3);

  #declare pr = 0.05 + 0.25*rand(s2);
  #declare tr = 0.62 + 0.30*rand(s1);

  sphere {
    <px, py, pz>, pr
    texture {
      pigment {
        bozo
        color_map {
          [0.00 rgbt <1.00, 0.95, 0.86, tr>]
          [1.00 rgbt <0.92, 0.98, 1.00, min(0.98, tr+0.10)>]
        }
        scale 0.7
      }
      finish { diffuse 0.03 ambient 0.95 specular 0 }
    }
    no_shadow
  }
  #declare j = j + 1;
#end