// 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
}

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 ----------
#declare T_Ground =
texture {
  pigment { color rgb <0.35, 0.33, 0.30> }
  finish { diffuse 0.9 specular 0.05 roughness 0.08 }
};

#declare T_Rock =
texture {
  pigment {
    bozo
    color_map {
      [0.0 color rgb <0.24,0.24,0.26>]
      [0.6 color rgb <0.35,0.35,0.38>]
      [1.0 color rgb <0.55,0.55,0.58>]
    }
    scale 1.4
  }
  finish { diffuse 0.95 specular 0.08 roughness 0.12 }
};

#declare T_Snow =
texture {
  pigment { color rgb <0.92,0.94,0.98> }
  finish { diffuse 0.95 specular 0.15 roughness 0.06 }
};

#declare T_Skin =
texture { pigment { color rgb <0.92,0.78,0.66> } finish { diffuse 0.9 specular 0.08 roughness 0.2 } };

#declare T_ClothBlue =
texture { pigment { color rgb <0.12,0.18,0.55> } finish { diffuse 0.9 specular 0.06 roughness 0.12 } };

#declare T_RedCape =
texture { pigment { color rgb <0.55,0.10,0.12> } finish { diffuse 0.9 specular 0.06 roughness 0.15 } };

#declare T_Gold =
texture { pigment { color rgb <0.95,0.78,0.22> } finish { diffuse 0.6 specular 0.6 roughness 0.06 reflection 0.05 } };

#declare T_Steel =
texture { pigment { color rgb <0.72,0.75,0.80> } finish { diffuse 0.35 specular 0.85 roughness 0.02 reflection 0.12 } };

#declare T_Dragon =
texture {
  pigment {
    bozo
    color_map {
      [0.0 color rgb <0.09,0.28,0.14>]
      [0.6 color rgb <0.16,0.42,0.22>]
      [1.0 color rgb <0.30,0.58,0.30>]
    }
    scale 0.6
  }
  finish { diffuse 0.9 specular 0.15 roughness 0.08 }
};

#declare T_WingMembrane =
texture {
  pigment { color rgb <0.20,0.55,0.30> transmit 0.35 }
  finish { diffuse 0.8 specular 0.10 roughness 0.15 }
};

// ---------- 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
      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>]
      }
    }
    finish { diffuse 0.95 specular 0.08 roughness 0.12 }
  }
};

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,
    <7.10,2.40,0.65>, 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 } }