// Cityscape inspired by old town + distant castle (fast iteration) - FIXED
// Single-file POV-Ray SDL

#version 3.7;

global_settings {
    assumed_gamma 1.8 max_trace_level 16
    radiosity {
        pretrace_start 0.08
        pretrace_end   0.01
        count 200
        nearest_count 10
        error_bound 0.5
        recursion_limit 2
        low_error_factor 0.5
        gray_threshold 0.0
    }
}
	
background { color rgb <0.58, 0.70, 0.92> }

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

fog {
  distance 220
  color rgb <0.58, 0.70, 0.92>
  fog_type 2
  fog_offset 0
  fog_alt 5
  turbulence 0.4
}

camera {
  location <5, 9, -25>
  look_at  <0, 5,  22>
  angle 48
}

light_source {
  <45, 65, -40>
  color rgb <1.00, 0.82, 0.62>*0.55
  area_light <10,0,0>, <0,0,10>, 5, 5
  adaptive 1
  jitter
}

light_source {
  <-30, 35, -10>
  color rgb <1.00, 0.90, 0.80>*0.40
  area_light <7,0,0>, <0,0,7>, 4, 4
  adaptive 1
  jitter
}

#declare MAT_Ground =
texture {
  pigment { color rgb <0.24,0.24,0.26> }
  finish  { diffuse 0.9 specular 0.05 roughness 0.15 }
};

#declare MAT_Stone =
texture {
  pigment { color rgb <0.55,0.54,0.52> }
  normal  { bumps 0.35 scale 0.25 }
  finish  { diffuse 0.85 specular 0.08 roughness 0.18 }
};

#declare MAT_Plaster =
texture {
  pigment { color rgb <0.78,0.74,0.68> }
  normal  { bumps 0.25 scale 0.35 }
  finish  { diffuse 0.9 specular 0.04 roughness 0.22 }
};

#declare MAT_Wood =
texture {
  pigment { color rgb <0.30,0.18,0.10> }
  normal  { wrinkles 0.3 scale 0.2 }
  finish  { diffuse 0.85 specular 0.08 roughness 0.15 }
};

#declare MAT_RoofRed =
texture {
  pigment { color rgb <0.48,0.18,0.13> }
  normal  { bumps 0.45 scale 0.18 }
  finish  { diffuse 0.85 specular 0.08 roughness 0.22 }
};

#declare MAT_RoofSlate =
texture {
  pigment { color rgb <0.22,0.25,0.30> }
  normal  { bumps 0.35 scale 0.22 }
  finish  { diffuse 0.85 specular 0.06 roughness 0.25 }
};

#declare MAT_WindowGlow =
texture {
  pigment { color rgb <1.00,0.70,0.35> }
  finish  { emission 1 diffuse 0 }
};

#declare MAT_LampGlow =
texture {
  pigment { color rgb <1.00,0.78,0.45> }
  finish  { emission 1.2 diffuse 0 }
};

// Ground and main street
plane { y, 0 texture { MAT_Ground } }

box {
  <-2.8, 0.001, -40>, <2.8, 0.02, 80>
  texture {
    pigment { color rgb <0.20,0.20,0.22> }
    finish { diffuse 0.85 specular 0.05 roughness 0.2 }
  }
}

// Sidewalk strips
box { <-4.0, 0.001, -40>, <-2.8, 0.03, 80> texture { pigment{color rgb <0.28,0.28,0.30>} finish{diffuse 0.9 specular 0.03} } }
box { < 2.8, 0.001, -40>, < 4.0, 0.03, 80> texture { pigment{color rgb <0.28,0.28,0.30>} finish{diffuse 0.9 specular 0.03} } }

// Gentle hill for the castle
sphere {
  <0, -80, 95>, 90
  texture {
    pigment { color rgb <0.22,0.27,0.22> }
    finish { diffuse 0.9 specular 0.02 roughness 0.3 }
  }
}

// ---------- Building macro ----------
#macro OldTownBuilding(Pos, W, D, H, WallTex, RoofTex, WinCount, WinStartY)
union {
  // Main volume
  box { <0,0,0>, <W,H,D> texture { WallTex } }

  // Slight base plinth
  box {
    <-0.05,0,-0.05>, <W+0.05,0.25,D+0.05>
    texture { pigment{ color rgb <0.45,0.44,0.42> } finish{ diffuse 0.9 specular 0.04 roughness 0.2 } }
  }

  // Roof (simple gable) - CLOSE PROFILE to avoid prism warnings
  prism {
    linear_sweep
    linear_spline
    0, D
    4,
    <0, H>, <W/2, H+0.9>, <W, H>, <0, H>
    texture { RoofTex }
  }

  // Windows on the street-facing side (z=0 face)
  #local i = 0;
  #local denom = max(WinCount-1, 1);
  #while (i < WinCount)
    #local wx = 0.35 + (W-0.7) * (i/denom);
    box {
      <wx-0.16, WinStartY, -0.01>, <wx+0.16, WinStartY+0.35, 0.03>
      texture { MAT_WindowGlow }
    }
    #local i = i + 1;
  #end

  // Door
  box {
    <W*0.42, 0.0, -0.01>, <W*0.58, 1.8, 0.05>
    texture { MAT_Wood }
  }

  translate Pos
}
#end

// ---------- Street lamps ----------
#macro StreetLamp(P)
union {
  cylinder { <0,0,0>, <0,3.0,0>, 0.06 texture { pigment{color rgb <0.12,0.12,0.13>} finish{diffuse 0.7 specular 0.2 roughness 0.08} } }
  cylinder { <0,3.0,0>, <0.45,3.15,0>, 0.05 texture { pigment{color rgb <0.12,0.12,0.13>} finish{diffuse 0.7 specular 0.2 roughness 0.08} } }
  sphere   { <0.60,3.15,0>, 0.16 texture { MAT_LampGlow } }
  sphere   { <0.60,3.15,0>, 0.18 texture { pigment{color rgbt <1,1,1,0.75>} finish{diffuse 0.1 specular 0.1 roughness 0.2} } }
  translate P
}
#end

// ---------- Old town blocks ----------
#declare z0 = -6;

OldTownBuilding(<-9.5,0,z0>, 3.2, 4.2, 7.2, MAT_Plaster, MAT_RoofRed,   3, 2.7)
OldTownBuilding(<-6.0,0,z0>, 2.4, 3.6, 6.2, MAT_Stone,   MAT_RoofSlate, 2, 2.6)
OldTownBuilding(<-3.2,0,z0>, 2.0, 3.2, 5.6, MAT_Plaster, MAT_RoofRed,   2, 2.4)

OldTownBuilding(< 3.2,0,z0>, 2.1, 3.3, 5.8, MAT_Stone,   MAT_RoofSlate, 2, 2.5)
OldTownBuilding(< 5.9,0,z0>, 2.6, 3.7, 6.6, MAT_Plaster, MAT_RoofRed,   3, 2.6)
OldTownBuilding(< 9.0,0,z0>, 3.1, 4.0, 7.4, MAT_Stone,   MAT_RoofRed,   3, 2.8)

// Second row (back and staggered)
OldTownBuilding(<-10.2,0, 2>,   3.5, 4.6, 8.0, MAT_Stone,   MAT_RoofSlate, 3, 3.0)
OldTownBuilding(< -6.2,0, 2.4>, 2.2, 3.3, 6.0, MAT_Plaster, MAT_RoofRed,   2, 2.6)
OldTownBuilding(< -3.5,0, 3.0>, 2.4, 3.6, 6.8, MAT_Plaster, MAT_RoofSlate, 2, 2.8)

OldTownBuilding(<  3.8,0, 2.8>, 2.5, 3.5, 6.7, MAT_Stone,   MAT_RoofRed,   2, 2.7)
OldTownBuilding(<  6.8,0, 2.2>, 2.1, 3.2, 6.1, MAT_Plaster, MAT_RoofSlate, 2, 2.6)
OldTownBuilding(<  9.6,0, 2.0>, 3.2, 4.4, 8.2, MAT_Stone,   MAT_RoofRed,   3, 3.1)

// Street lamps
StreetLamp(<-3.6,0,  2>)
StreetLamp(< 3.6,0,  8>)
StreetLamp(<-3.6,0, 14>)
StreetLamp(< 3.6,0, 20>)
StreetLamp(<-3.6,0, 26>)

// Chimneys
#macro Chimney(P, H)
union {
  box { <-0.12,0,-0.12>, <0.12,H,0.12> texture { MAT_Stone } }
  translate P
}
#end

Chimney(<-8.8,7.2, -4.0>, 1.0)
Chimney(<-5.6,6.2, -3.4>, 0.9)
Chimney(< 7.2,6.6, -3.0>, 1.0)
Chimney(< 9.8,7.4, -3.5>, 1.1)

// ---------- Distant castle on hill ----------
#declare CastleColor = texture {
  pigment { color rgb <0.42,0.42,0.45> }
  finish  { diffuse 0.85 specular 0.05 roughness 0.2 }
};

#macro Tower(P, R, H)
union {
  cylinder { <0,0,0>, <0,H,0>, R texture { CastleColor } }
  // Simple crenellations
  #local k = 0;
  #local n = 8;
  #while (k < n)
    box {
      <R*0.65, H-0.35, -0.10>, <R*1.05, H, 0.10>
      texture { CastleColor }
      rotate <0, (360/n)*k, 0>
    }
    #local k = k + 1;
  #end
  translate P
}
#end

union {
  // Main keep
  box { <-6, 0, 90>, <6, 10, 106> texture { CastleColor } }

  // Battlements on keep
  #local b = -5.5;
  #while (b <= 5.5)
    box { <b, 10, 90>,  <b+0.6, 11.0, 91.0>  texture { CastleColor } }
    box { <b, 10, 105>, <b+0.6, 11.0, 106> texture { CastleColor } }
    #local b = b + 1.2;
  #end

  // Towers
  Tower(<-7.5, 0, 92>, 2.2, 14)
  Tower(< 7.5, 0, 92>, 2.2, 14)
  Tower(<-7.5, 0,104>, 2.2, 14)
  Tower(< 7.5, 0,104>, 2.2, 14)

  // Gatehouse hint (FIX: remove degenerate cylinder; use torus as arch cutter)
  box { <-2.2, 0, 88>, <2.2, 7.5, 92> texture { CastleColor } }

  difference {
    // solid gate block
    box { <-1.4, 0, 88.0>, <1.4, 5.0, 92.0> }
    // rectangular opening lower part
    box { <-0.9, 0, 87.99>, <0.9, 3.2, 92.01> }
    // rounded top cutter (a "half-ring" torus pushed through the gate)
    torus { 0.9, 0.12 rotate <90,0,0> translate <0,3.2,90> }
    texture { CastleColor }
  }

  // Slight darkening for distant silhouette
  pigment { color rgb <0.36,0.36,0.40> }
  finish  { diffuse 0.85 specular 0.03 roughness 0.25 }

  // Place on hill
  translate <0, 6.5, 0>
}

// Subtle distant haze plane
plane {
  z, 140
  texture { pigment { color rgbt <0.58,0.70,0.92,0.85> } finish { diffuse 0 } }
  hollow
}