// Prince vs Dragon in the Mountains
// Single-file POV-Ray SDL (fast iteration) - corrected height_field function

#version 3.7;

// ---------- Global ----------
//global_settings {
//  assumed_gamma 1.0
//  max_trace_level 8
//}

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 <0.62, 0.80, 1.0> } // sky

// ---------- Camera ----------
camera {
  location <0, 7.0, -18.0>
  look_at  <0, 3.2, 0>
  angle 42
}

// ---------- Lights ----------
light_source { <30, 40, -25> color rgb <1.0, 0.98, 0.92> }
light_source { <-25, 25, -10> color rgb <0.35, 0.4, 0.5> }

// ---------- Atmosphere ----------
fog {
  distance 55
  color rgb <0.70, 0.82, 1.0>
  fog_type 2
  fog_offset 0.2
  fog_alt 3.0
  turbulence 0.6
}

// ---------- Textures ----------
// Everything below is procedural (no external image maps), but with a bit more material detail
// (micro-bumps, roughness variation, and slightly more believable metals/fabric).

#declare T_Ground =
texture {
  pigment {
    crackle
    turbulence 0.55
    color_map {
      [0.00 color rgb <0.12,0.11,0.10>] // cracks / darkest soil
      [0.10 color rgb <0.22,0.20,0.18>]
      [0.45 color rgb <0.34,0.31,0.28>]
      [0.70 color rgb <0.18,0.28,0.18>] // mossy tint
      [1.00 color rgb <0.32,0.34,0.24>]
    }
    scale 0.9
  }
  normal {
    bumps 0.55
    scale 0.18
    turbulence 0.7
  }
  finish { diffuse 0.95 specular 0.06 roughness 0.12 }
};

#declare T_Rock =
texture {
  pigment {
    granite
    color_map {
      [0.00 color rgb <0.20,0.20,0.22>]
      [0.45 color rgb <0.33,0.33,0.36>]
      [0.75 color rgb <0.46,0.46,0.49>]
      [1.00 color rgb <0.62,0.62,0.65>]
    }
    scale 0.55
  }
  normal {
    granite 0.85
    scale 0.25
    turbulence 0.5
  }
  finish { diffuse 0.93 specular 0.10 roughness 0.10 reflection 0.03 }
};

#declare T_Snow =
texture {
  pigment { color rgb <0.94,0.96,1.00> }
  normal { bumps 0.25 scale 0.07 turbulence 0.45 }
  finish {
    diffuse 0.95
    specular 0.20 roughness 0.035
    reflection 0.04
  }
};

#declare T_Skin =
texture {
  pigment {
    bozo
    color_map {
      [0.00 color rgb <0.90,0.76,0.65>]
      [0.60 color rgb <0.94,0.80,0.68>]
      [1.00 color rgb <0.88,0.73,0.62>]
    }
    scale 0.22
  }
  normal { bumps 0.12 scale 0.03 turbulence 0.3 }
  finish { diffuse 0.85 specular 0.18 roughness 0.10 }
};

#declare T_ClothBlue =
texture {
  pigment { color rgb <0.12,0.18,0.55> }
  normal { wrinkles 0.70 scale 0.08 turbulence 0.2 }
  finish { diffuse 0.95 specular 0.06 roughness 0.22 }
};

#declare T_RedCape =
texture {
  pigment { color rgb <0.55,0.10,0.12> }
  normal { wrinkles 0.80 scale 0.10 turbulence 0.25 }
  finish { diffuse 0.92 specular 0.08 roughness 0.18 }
};

#declare T_Gold =
texture {
  pigment { color rgb <0.95,0.78,0.22> }
  normal { bumps 0.10 scale 0.02 turbulence 0.15 }
  finish {
    diffuse 0.15
    specular 0.95 roughness 0.008
    metallic
    reflection { 0.20 0.48 fresnel on }
    conserve_energy
  }
};

#declare T_Steel =
texture {
  pigment { color rgb <0.70,0.74,0.80> }
  normal { ripples 0.12 scale 0.045 turbulence 0.15 }
  finish {
    diffuse 0.10
    specular 0.98 roughness 0.006
    metallic
    reflection { 0.18 0.42 fresnel on }
    conserve_energy
  }
};

#declare T_Dragon =
texture {
  pigment {
    bozo
    turbulence 0.35
    color_map {
      [0.00 color rgb <0.07,0.22,0.11>]
      [0.55 color rgb <0.14,0.38,0.20>]
      [1.00 color rgb <0.26,0.54,0.28>]
    }
    scale 0.55
  }
  normal {
    crackle 0.55   // scale-ish breakup
    scale 0.14
    turbulence 0.35
  }
  finish {
    diffuse 0.85
    specular 0.28 roughness 0.055
    reflection 0.05
  }
};

#declare T_WingMembrane =
texture {
  pigment {
    marble
    turbulence 0.9
    color_map {
      [0.00 color rgbt <0.14,0.40,0.20,0.55>]
      [0.55 color rgbt <0.18,0.55,0.28,0.50>]
      [1.00 color rgbt <0.22,0.62,0.32,0.55>]
    }
    scale 0.35
  }
  normal { wrinkles 0.35 scale 0.20 turbulence 0.25 }
  finish { diffuse 0.80 specular 0.12 roughness 0.14 }
};


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

// A slightly raised rocky mound so the fight has a "stage"
//difference {
//  sphere { <0,0.8,0>, 4.2 }
//  plane { y, 0 }
//  texture { T_Rock }
//  translate <0,0,0>
//}

// ---------- Mountains (simple heightfields) ----------
// NOTE: Replaced f_ridged_mf() (parameter mismatch) with a built-in bozo-based function.
// This keeps it self-contained and fast, with no external include dependencies.
#declare HF_Mount =
height_field {
  function 250, 250 {
    pigment {
      bozo
      turbulence 0.85
      octaves 5
      omega 0.55
      lambda 2.0
      scale 0.55
    }
  }
  smooth
  translate <-0.5, 0, -0.5>
  scale <18, 7.5, 18>
  texture {
    pigment {
      gradient y
      turbulence 0.35
      octaves 4
      omega 0.55
      lambda 2.0
      color_map {
        [0.00 color rgb <0.26,0.25,0.26>]
        [0.45 color rgb <0.40,0.40,0.43>]
        [0.70 color rgb <0.62,0.62,0.66>]
        [0.85 color rgb <0.92,0.94,0.98>]
        [1.00 color rgb <0.92,0.94,0.98>]
      }
    }
    normal { granite 0.70 scale 0.40 turbulence 0.35 }
    finish { diffuse 0.95 specular 0.10 roughness 0.10 reflection 0.02 }
  }
};

object { HF_Mount translate <-18, 0, 22> rotate <0, 25, 0> }
object { HF_Mount translate < 16, 0, 26> rotate <0,-20, 0> }
object { HF_Mount translate <  0, 0, 34> rotate <0,  0, 0> scale <1.2,1.1,1.2> }

// ---------- Prince (stylized) ----------
#declare Prince =
union {
  // Torso
  cylinder { <0,1.2,0>, <0,2.7,0>, 0.55 texture { T_ClothBlue } }
  // Belt
  torus { 0.56, 0.08 rotate <90,0,0> translate <0,1.55,0> texture { T_Gold } }

  // Head + neck
  cylinder { <0,2.7,0>, <0,2.95,0>, 0.22 texture { T_Skin } }
  sphere   { <0,3.35,0>, 0.48 texture { T_Skin } }

  // Crown
  union {
    torus { 0.36, 0.05 rotate <90,0,0> translate <0,3.70,0> }
    cone  { <0,3.70,0.36>, 0.06, <0,3.92,0.36>, 0.0 }
    cone  { <0.31,3.70,0.18>, 0.06, <0.31,3.92,0.18>, 0.0 }
    cone  { <-0.31,3.70,0.18>, 0.06, <-0.31,3.92,0.18>, 0.0 }
    cone  { <0.31,3.70,-0.18>, 0.06, <0.31,3.92,-0.18>, 0.0 }
    cone  { <-0.31,3.70,-0.18>, 0.06, <-0.31,3.92,-0.18>, 0.0 }
    texture { T_Gold }
  }

  // Legs
  cylinder { <-0.20,0.0,0>, <-0.20,1.2,0>, 0.18 texture { T_ClothBlue } }
  cylinder { < 0.20,0.0,0>, < 0.20,1.2,0>, 0.18 texture { T_ClothBlue } }

  // Boots
  cone { <-0.20,0.0,0.05>, 0.20, <-0.20,0.0,-0.35>, 0.10 texture { T_Rock } }
  cone { < 0.20,0.0,0.05>, 0.20, < 0.20,0.0,-0.35>, 0.10 texture { T_Rock } }

  // Arms (posed forward toward dragon)
  // Left arm (holding shield-ish forearm forward)
  cylinder { <-0.58,2.45,0>, <-1.25,2.10,0.30>, 0.14 texture { T_ClothBlue } }
  cylinder { <-1.25,2.10,0.30>, <-1.55,1.85,0.55>, 0.12 texture { T_Skin } }

  // Right arm (sword arm)
  cylinder { <0.58,2.45,0>, <1.30,2.20,0.15>, 0.14 texture { T_ClothBlue } }
  cylinder { <1.30,2.20,0.15>, <1.70,2.00,0.45>, 0.12 texture { T_Skin } }

  // Cape (simple sheet-like box)
  box { <-0.70,1.30,-0.15>, <0.70,3.00,-0.95> texture { T_RedCape } rotate <8,0,0> translate <0,0.0,-0.05> }

  // Sword (in right hand)
  union {
    cylinder { <1.70,2.00,0.45>, <2.55,2.55,0.95>, 0.05 texture { T_Steel } } // blade
    cone     { <2.55,2.55,0.95>, 0.05, <2.95,2.80,1.15>, 0.00 texture { T_Steel } }
    torus    { 0.12, 0.03 rotate <0,90,0> translate <1.66,2.02,0.43> texture { T_Gold } } // guard
    cylinder { <1.58,1.95,0.39>, <1.70,2.00,0.45>, 0.035 texture { T_Gold } } // grip
  }

  // Small shield (on left forearm)
  union {
    sphere { <-1.55,1.85,0.55>, 0.28 }
    box    { <-1.83,1.57,0.42>, <-1.27,2.13,0.70> }
    texture { T_Steel }
  }
};

object { Prince translate <-4.2, 0.0, 0.3> rotate <0, 22, 0> }

// ---------- Dragon (stylized) ----------
#declare Dragon =
union {
  // Body
  sphere { <0,2.0,0>, 1.35 texture { T_Dragon } }
  sphere { <1.4,2.1,0.2>, 1.10 texture { T_Dragon } } // chest/shoulder mass

  // Neck + head
  cylinder { <2.3,2.35,0.30>, <3.2,2.60,0.55>, 0.42 texture { T_Dragon } }
  sphere   { <3.55,2.70,0.65>, 0.55 texture { T_Dragon } }
  // Snout
  cone { <3.55,2.70,0.65>, 0.42, <4.25,2.78,0.78>, 0.10 texture { T_Dragon } }

  // Horns
  cone { <3.45,3.10,0.55>, 0.10, <3.75,3.45,0.35>, 0.00 texture { T_Rock } }
  cone { <3.55,3.10,0.85>, 0.10, <3.85,3.45,1.05>, 0.00 texture { T_Rock } }

  // Tail (segmented for speed)
  cylinder { <-1.10,1.85,-0.10>, <-2.30,1.55,-0.45>, 0.33 texture { T_Dragon } }
  cylinder { <-2.30,1.55,-0.45>, <-3.35,1.25,-0.95>, 0.24 texture { T_Dragon } }
  cylinder { <-3.35,1.25,-0.95>, <-4.10,1.05,-1.35>, 0.16 texture { T_Dragon } }

  // Legs (4)
  // Front right (near camera)
  cylinder { <1.85,1.55,0.85>, <1.55,0.75,1.05>, 0.22 texture { T_Dragon } }
  cylinder { <1.55,0.75,1.05>, <1.55,0.10,1.10>, 0.18 texture { T_Dragon } }
  // Front left
  cylinder { <1.90,1.55,-0.40>, <1.65,0.80,-0.60>, 0.22 texture { T_Dragon } }
  cylinder { <1.65,0.80,-0.60>, <1.65,0.10,-0.70>, 0.18 texture { T_Dragon } }

  // Back right
  cylinder { <-0.55,1.35,0.85>, <-0.85,0.70,1.00>, 0.24 texture { T_Dragon } }
  cylinder { <-0.85,0.70,1.00>, <-0.95,0.10,1.05>, 0.18 texture { T_Dragon } }
  // Back left
  cylinder { <-0.60,1.35,-0.55>, <-0.95,0.70,-0.70>, 0.24 texture { T_Dragon } }
  cylinder { <-0.95,0.70,-0.70>, <-1.05,0.10,-0.80>, 0.18 texture { T_Dragon } }

  // Wings (simple: bone cylinders + membrane triangles)
  // Left wing
  union {
    cylinder { <1.20,2.70,-0.10>, <2.60,3.65,-2.10>, 0.12 texture { T_Dragon } } // main bone
    cylinder { <2.60,3.65,-2.10>, <3.80,3.15,-3.40>, 0.09 texture { T_Dragon } } // tip
    triangle { <1.20,2.70,-0.10>, <2.60,3.65,-2.10>, <3.80,3.15,-3.40> texture { T_WingMembrane } }
    triangle { <1.20,2.70,-0.10>, <2.10,2.55,-2.35>, <3.80,3.15,-3.40> texture { T_WingMembrane } }
  }

  // Right wing
  union {
    cylinder { <1.10,2.65,0.55>, <2.40,3.50,2.45>, 0.12 texture { T_Dragon } }
    cylinder { <2.40,3.50,2.45>, <3.55,3.00,3.55>, 0.09 texture { T_Dragon } }
    triangle { <1.10,2.65,0.55>, <2.40,3.50,2.45>, <3.55,3.00,3.55> texture { T_WingMembrane } }
    triangle { <1.10,2.65,0.55>, <2.00,2.45,2.70>, <3.55,3.00,3.55> texture { T_WingMembrane } }
  }

  // Fire breath (simple cone, translucent)
  cone {
    <4.30,2.80,0.80>, 0.12,
    <5.70,2.40,0.65>, 1.00
    texture {
      pigment { color rgbt <1.0,0.55,0.10,0.70> }
      finish { emission 0.7 diffuse 0.1 }
    }
  }
};

object { Dragon translate <-4.0, 0, 0.0> rotate <0, -180, 0> }

// ---------- Contact shadows helper (small dark patch under characters) ----------
#declare ShadowPatch =
texture {
  pigment { color rgbt <0.0,0.0,0.0,0.75> }
  finish { diffuse 0 }
};

disc { <-4.2,0.01,0.3>, y, 1.6, 0.0 texture { ShadowPatch } }
disc { < 4.0,0.01,1.0>, y, 2.4, 0.0 texture { ShadowPatch } }