int get_next_line(int const fd, char **line)
{
static char *end = NULL;
char *buf;
int ret;
if (fd < 0 && BUFF_SIZE < 1 && BUFF_SIZE > 2000000000)
return (-1);
if (ft_check_end(&end, line) == 1)
return (1);
if (!(buf = ft_strnew(BUFF_SIZE + 1)))
return (-1);
while ((ret = read(fd, buf, BUFF_SIZE)) > 0)
{
if (ft_check_line(&end, &buf, line) == 1)
{
ft_memdel((void **)&buf);
return (1);
}
}
ft_memdel((void **)&buf);
*line = ft_strdup(end);
ft_memdel((void **)&end);
return (ret);
}
static float ft_dist_co(t_co co, t_ray *ray, int i, float **v_o)
{
float a[6];
float c_s[2];
a[4] = i;
c_s[0] = pow(cos(co.alph), 2);
c_s[1] = pow(sin(co.alph), 2);
v_o[0] = ft_vect_base(ray->v, co.mat);
v_o[2] = ft_vec_min(ray->o, co.c);
v_o[1] = ft_vect_base(v_o[2], co.mat);
a[0] = c_s[0] * (v_o[0][1] * v_o[0][1] + v_o[0][2] * v_o[0][2])
- v_o[0][0] * v_o[0][0] * c_s[1];
a[1] = 2 * c_s[0] * (v_o[0][1] * v_o[1][1] + v_o[0][2] * v_o[1][2])
- 2 * c_s[1] * v_o[0][0] * v_o[1][0];
a[2] = c_s[0] * (v_o[1][1] * v_o[1][1] + v_o[1][2] * v_o[1][2])
- c_s[1] * v_o[1][0] * v_o[1][0];
a[3] = a[1] * a[1] - 4 * a[0] * a[2];
if (a[3] < 0)
return (D_MAX);
a[5] = ft_check_end(co, ray, a, v_o);
if (ray->opt_f == 1 && (sqrtf(a[3]) < ray->delta
|| ray->d_d_end == 1) && a[5] < D_MAX)
ray->d_d[4 * MAX_OBJ + i] = 1;
else if (a[5] < D_MAX)
ray->d_d[4 * MAX_OBJ + i] = 0;
return (a[5]);
}
static int ft_check_line(char **end, char **buf, char **line)
{
char *tmp;
tmp = ft_strjoin(*end, *buf);
free(*end);
*end = tmp;
return (ft_check_end(end, line));
}
int get_next_line(int const fd, char **line)
{
static char *end = NULL;
char *str;
char *buf;
size_t ret;
char *tmp;
ret = 1;
str = ft_strnew(BUFF_SIZE);
while (ret > 0)
{
buf = ft_strnew(BUFF_SIZE);
ret = read(fd, buf, BUFF_SIZE);
buf[ret] = '\0';
tmp = end;
if (!ft_check_end(&str, &buf, tmp))
ft_memdel((void**)&end);
if (ft_check_line(str, &end, line) == 1)
return (1);
}
*line = str;
return (0);
}
