#pragma once

#include "tuples.h"
#include "lights.h"
#include "patterns.h"
#include "math.h"

struct material {
  float ambient;
  float diffuse;
  float specular;
  float shininess;
  bool has_pattern;
  union {
    struct tuple color;
    struct pattern pattern;
  };
};

inline static struct material material()
{
  return (struct material){
    0.1f,
    0.9f,
    0.9f,
    200.0f,
    .has_pattern = false,
    .color = color(1.0f, 1.0f, 1.0f),
  };
}

inline static bool material_equal(struct material a, struct material b)
{
  return
    tuple_equal(a.color, b.color) &&
    float_equal(a.ambient, b.ambient) &&
    float_equal(a.diffuse, b.diffuse) &&
    float_equal(a.specular, b.specular) &&
    float_equal(a.shininess, b.shininess);
}