#include <metal_stdlib>

using namespace metal;

int tint_unary_minus(const int v) {
  return select(-v, v, v == -2147483648);
}

struct buf0 {
  /* 0x0000 */ packed_float2 resolution;
};
struct tint_array_wrapper {
  int arr[256];
};
struct main_out {
  float4 x_GLF_color_1;
};
struct tint_symbol_2 {
  float4 x_GLF_color_1 [[color(0)]];
};

void main_1(constant buf0& x_7, thread float4* const tint_symbol_5, thread tint_array_wrapper* const tint_symbol_6, thread float2x4* const tint_symbol_7, thread float4* const tint_symbol_8) {
  float2 pos = 0.0f;
  int2 ipos = 0;
  int i = 0;
  int2 p = 0;
  bool canwalk = false;
  int v = 0;
  int directions = 0;
  int j = 0;
  int d = 0;
  float4 const x_63 = *(tint_symbol_5);
  float2 const x_67 = x_7.resolution;
  int const x_68 = tint_unary_minus(as_type<int>((as_type<uint>(256) - as_type<uint>(14))));
  pos = (float2(x_63.x, x_63.y) / x_67);
  float const x_71 = pos.x;
  float const x_75 = pos.y;
  ipos = int2(int((x_71 * 16.0f)), int((x_75 * 16.0f)));
  i = 0;
  while (true) {
    int const x_83 = i;
    if ((x_83 < 256)) {
    } else {
      break;
    }
    int const x_86 = i;
    (*(tint_symbol_6)).arr[x_86] = 0;
    {
      int const x_88 = i;
      i = as_type<int>((as_type<uint>(x_88) + as_type<uint>(1)));
    }
  }
  p = int2(0, 0);
  canwalk = true;
  v = 0;
  while (true) {
    bool x_110 = false;
    bool x_130 = false;
    bool x_150 = false;
    bool x_171 = false;
    bool x_111_phi = false;
    bool x_131_phi = false;
    bool x_151_phi = false;
    bool x_172_phi = false;
    int const x_94 = v;
    v = as_type<int>((as_type<uint>(x_94) + as_type<uint>(1)));
    directions = 0;
    int const x_97 = p.x;
    bool const x_98 = (x_97 > 0);
    x_111_phi = x_98;
    if (x_98) {
      int const x_102 = p.x;
      int const x_105 = p.y;
      int const x_109 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_102) - as_type<uint>(2)))) + as_type<uint>(as_type<int>((as_type<uint>(x_105) * as_type<uint>(16))))))];
      x_110 = (x_109 == 0);
      x_111_phi = x_110;
    }
    bool const x_111 = x_111_phi;
    if (x_111) {
      int const x_114 = directions;
      directions = as_type<int>((as_type<uint>(x_114) + as_type<uint>(1)));
    }
    int const x_117 = p.y;
    bool const x_118 = (x_117 > 0);
    x_131_phi = x_118;
    if (x_118) {
      int const x_122 = p.x;
      int const x_124 = p.y;
      int const x_129 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_122) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_124) - as_type<uint>(2)))) * as_type<uint>(16))))))];
      x_130 = (x_129 == 0);
      x_131_phi = x_130;
    }
    bool const x_131 = x_131_phi;
    if (x_131) {
      int const x_134 = directions;
      directions = as_type<int>((as_type<uint>(x_134) + as_type<uint>(1)));
    }
    int const x_137 = p.x;
    bool const x_138 = (x_137 < 14);
    x_151_phi = x_138;
    if (x_138) {
      int const x_142 = p.x;
      int const x_145 = p.y;
      int const x_149 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_142) + as_type<uint>(2)))) + as_type<uint>(as_type<int>((as_type<uint>(x_145) * as_type<uint>(16))))))];
      x_150 = (x_149 == 0);
      x_151_phi = x_150;
    }
    bool const x_151 = x_151_phi;
    if (x_151) {
      int const x_154 = directions;
      directions = as_type<int>((as_type<uint>(x_154) + as_type<uint>(1)));
    }
    int const x_156 = as_type<int>((as_type<uint>(256) - as_type<uint>(x_68)));
    int const x_158 = p.y;
    bool const x_159 = (x_158 < 14);
    x_172_phi = x_159;
    if (x_159) {
      int const x_163 = p.x;
      int const x_165 = p.y;
      int const x_170 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_163) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_165) + as_type<uint>(2)))) * as_type<uint>(16))))))];
      x_171 = (x_170 == 0);
      x_172_phi = x_171;
    }
    bool const x_172 = x_172_phi;
    if (x_172) {
      int const x_175 = directions;
      directions = as_type<int>((as_type<uint>(x_175) + as_type<uint>(1)));
    }
    bool x_237 = false;
    bool x_250 = false;
    bool x_289 = false;
    bool x_302 = false;
    bool x_341 = false;
    bool x_354 = false;
    bool x_393 = false;
    bool x_406 = false;
    bool x_238_phi = false;
    bool x_251_phi = false;
    bool x_290_phi = false;
    bool x_303_phi = false;
    bool x_342_phi = false;
    bool x_355_phi = false;
    bool x_394_phi = false;
    bool x_407_phi = false;
    int const x_177 = directions;
    if ((x_177 == 0)) {
      canwalk = false;
      i = 0;
      while (true) {
        int const x_186 = i;
        if ((x_186 < 8)) {
        } else {
          break;
        }
        j = 0;
        int const x_189 = as_type<int>((as_type<uint>(x_156) - as_type<uint>(x_186)));
        *(tint_symbol_7) = float2x4(float4(0.0f, 0.0f, 0.0f, 0.0f), float4(0.0f, 0.0f, 0.0f, 0.0f));
        if (false) {
          {
            int const x_216 = i;
            i = as_type<int>((as_type<uint>(x_216) + as_type<uint>(1)));
          }
          continue;
        }
        while (true) {
          int const x_194 = j;
          if ((x_194 < 8)) {
          } else {
            break;
          }
          int const x_197 = j;
          int const x_199 = i;
          int const x_204 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_197) * as_type<uint>(2)))) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_199) * as_type<uint>(2)))) * as_type<uint>(16))))))];
          if ((x_204 == 0)) {
            int const x_208 = j;
            p.x = as_type<int>((as_type<uint>(x_208) * as_type<uint>(2)));
            int const x_211 = i;
            p.y = as_type<int>((as_type<uint>(x_211) * as_type<uint>(2)));
            canwalk = true;
          }
          {
            int const x_214 = j;
            j = as_type<int>((as_type<uint>(x_214) + as_type<uint>(1)));
          }
        }
        {
          int const x_216 = i;
          i = as_type<int>((as_type<uint>(x_216) + as_type<uint>(1)));
        }
      }
      int const x_219 = p.x;
      int const x_221 = p.y;
      (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_219) + as_type<uint>(as_type<int>((as_type<uint>(x_221) * as_type<uint>(16))))))] = 1;
    } else {
      int const x_225 = v;
      int const x_226 = directions;
      d = (x_225 % x_226);
      int const x_228 = directions;
      int const x_229 = v;
      v = as_type<int>((as_type<uint>(x_229) + as_type<uint>(x_228)));
      int const x_231 = d;
      bool const x_232 = (x_231 >= 0);
      x_238_phi = x_232;
      if (x_232) {
        int const x_236 = p.x;
        x_237 = (x_236 > 0);
        x_238_phi = x_237;
      }
      bool const x_238 = x_238_phi;
      x_251_phi = x_238;
      if (x_238) {
        int const x_242 = p.x;
        int const x_245 = p.y;
        int const x_249 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_242) - as_type<uint>(2)))) + as_type<uint>(as_type<int>((as_type<uint>(x_245) * as_type<uint>(16))))))];
        x_250 = (x_249 == 0);
        x_251_phi = x_250;
      }
      bool const x_251 = x_251_phi;
      if (x_251) {
        int const x_254 = d;
        d = as_type<int>((as_type<uint>(x_254) - as_type<uint>(1)));
        int const x_257 = p.x;
        int const x_259 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_257) + as_type<uint>(as_type<int>((as_type<uint>(x_259) * as_type<uint>(16))))))] = 1;
        int const x_264 = p.x;
        int const x_267 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_264) - as_type<uint>(1)))) + as_type<uint>(as_type<int>((as_type<uint>(x_267) * as_type<uint>(16))))))] = 1;
        int const x_272 = p.x;
        int const x_275 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_272) - as_type<uint>(2)))) + as_type<uint>(as_type<int>((as_type<uint>(x_275) * as_type<uint>(16))))))] = 1;
        int const x_280 = p.x;
        p.x = as_type<int>((as_type<uint>(x_280) - as_type<uint>(2)));
      }
      int const x_283 = d;
      bool const x_284 = (x_283 >= 0);
      x_290_phi = x_284;
      if (x_284) {
        int const x_288 = p.y;
        x_289 = (x_288 > 0);
        x_290_phi = x_289;
      }
      bool const x_290 = x_290_phi;
      x_303_phi = x_290;
      if (x_290) {
        int const x_294 = p.x;
        int const x_296 = p.y;
        int const x_301 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_294) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_296) - as_type<uint>(2)))) * as_type<uint>(16))))))];
        x_302 = (x_301 == 0);
        x_303_phi = x_302;
      }
      bool const x_303 = x_303_phi;
      if (x_303) {
        int const x_306 = d;
        d = as_type<int>((as_type<uint>(x_306) - as_type<uint>(1)));
        int const x_309 = p.x;
        int const x_311 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_309) + as_type<uint>(as_type<int>((as_type<uint>(x_311) * as_type<uint>(16))))))] = 1;
        int const x_316 = p.x;
        int const x_318 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_316) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_318) - as_type<uint>(1)))) * as_type<uint>(16))))))] = 1;
        int const x_324 = p.x;
        int const x_326 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_324) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_326) - as_type<uint>(2)))) * as_type<uint>(16))))))] = 1;
        int const x_332 = p.y;
        p.y = as_type<int>((as_type<uint>(x_332) - as_type<uint>(2)));
      }
      int const x_335 = d;
      bool const x_336 = (x_335 >= 0);
      x_342_phi = x_336;
      if (x_336) {
        int const x_340 = p.x;
        x_341 = (x_340 < 14);
        x_342_phi = x_341;
      }
      bool const x_342 = x_342_phi;
      x_355_phi = x_342;
      if (x_342) {
        int const x_346 = p.x;
        int const x_349 = p.y;
        int const x_353 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_346) + as_type<uint>(2)))) + as_type<uint>(as_type<int>((as_type<uint>(x_349) * as_type<uint>(16))))))];
        x_354 = (x_353 == 0);
        x_355_phi = x_354;
      }
      bool const x_355 = x_355_phi;
      if (x_355) {
        int const x_358 = d;
        d = as_type<int>((as_type<uint>(x_358) - as_type<uint>(1)));
        int const x_361 = p.x;
        int const x_363 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_361) + as_type<uint>(as_type<int>((as_type<uint>(x_363) * as_type<uint>(16))))))] = 1;
        int const x_368 = p.x;
        int const x_371 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_368) + as_type<uint>(1)))) + as_type<uint>(as_type<int>((as_type<uint>(x_371) * as_type<uint>(16))))))] = 1;
        int const x_376 = p.x;
        int const x_379 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_376) + as_type<uint>(2)))) + as_type<uint>(as_type<int>((as_type<uint>(x_379) * as_type<uint>(16))))))] = 1;
        int const x_384 = p.x;
        p.x = as_type<int>((as_type<uint>(x_384) + as_type<uint>(2)));
      }
      int const x_387 = d;
      bool const x_388 = (x_387 >= 0);
      x_394_phi = x_388;
      if (x_388) {
        int const x_392 = p.y;
        x_393 = (x_392 < 14);
        x_394_phi = x_393;
      }
      bool const x_394 = x_394_phi;
      x_407_phi = x_394;
      if (x_394) {
        int const x_398 = p.x;
        int const x_400 = p.y;
        int const x_405 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_398) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_400) + as_type<uint>(2)))) * as_type<uint>(16))))))];
        x_406 = (x_405 == 0);
        x_407_phi = x_406;
      }
      bool const x_407 = x_407_phi;
      if (x_407) {
        int const x_410 = d;
        d = as_type<int>((as_type<uint>(x_410) - as_type<uint>(1)));
        int const x_413 = p.x;
        int const x_415 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_413) + as_type<uint>(as_type<int>((as_type<uint>(x_415) * as_type<uint>(16))))))] = 1;
        int const x_420 = p.x;
        int const x_422 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_420) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_422) + as_type<uint>(1)))) * as_type<uint>(16))))))] = 1;
        int const x_428 = p.x;
        int const x_430 = p.y;
        (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(x_428) + as_type<uint>(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_430) + as_type<uint>(2)))) * as_type<uint>(16))))))] = 1;
        int const x_436 = p.y;
        p.y = as_type<int>((as_type<uint>(x_436) + as_type<uint>(2)));
      }
    }
    int const x_440 = ipos.y;
    int const x_443 = ipos.x;
    int const x_446 = (*(tint_symbol_6)).arr[as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(x_440) * as_type<uint>(16)))) + as_type<uint>(x_443)))];
    if ((x_446 == 1)) {
      *(tint_symbol_8) = float4(1.0f, 1.0f, 1.0f, 1.0f);
      return;
    }
    {
      bool const x_450 = canwalk;
      if (x_450) {
      } else {
        break;
      }
    }
  }
  *(tint_symbol_8) = float4(0.0f, 0.0f, 0.0f, 1.0f);
  return;
}

fragment tint_symbol_2 tint_symbol(float4 gl_FragCoord_param [[position]], constant buf0& x_7 [[buffer(0)]]) {
  thread float4 tint_symbol_9 = 0.0f;
  thread tint_array_wrapper tint_symbol_10 = {};
  thread float2x4 tint_symbol_11 = float2x4(float4(0.0f, 0.0f, 0.0f, 0.0f), float4(0.0f, 0.0f, 0.0f, 0.0f));
  thread float4 tint_symbol_12 = 0.0f;
  tint_symbol_9 = gl_FragCoord_param;
  main_1(x_7, &(tint_symbol_9), &(tint_symbol_10), &(tint_symbol_11), &(tint_symbol_12));
  main_out const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_12};
  tint_symbol_2 const tint_symbol_4 = {.x_GLF_color_1=tint_symbol_3.x_GLF_color_1};
  return tint_symbol_4;
}