int     cross(double x1, double x2, double x3, double x4, double y1, double y2, double y3, double y4)
{
    double      a1;
    double      b1;
    double      a2;
    double      b2;
    double      res;

    if (x1 != x2 && x4 != x3)
    {
        a1 = (y2 - y1) / (x2 - x1);
        a2 = (y4 - y3) / (x4 - x3);
        if (a1 == a2)
            return (0);
        b1 = y1 - (a1 * x1);
        b2 = y3 - (a2 * x3);
        res = (b2 - b1) / (a1 - a2);
        if (((res >= x1 && res <= x2) || (res >= x2 && res <= x1)) && ((res > x3 && res < x4) || (res > x4 && res < x3)))
               return (1);
    }
    else
    {
        if (x1 == x2 && x3 == x4)
            return (0);
        else if (x1 == x2)
        {
            a2 = (y4 - y3) / (x4 - x3);
            b2 = y3 - (a2 * x3);
            res = a2 * x1 + b2;
        }
        else if (x3 == x4)
        {
            a1 = (y2 - y1) / (x2 - x1);
            b1 = y1 - (a1 * x1);
            res = a1 * x3 + b1;
        }
        if (((res >= y1 && res <= y2) || (res >= y2 && res <= y1)) && ((res > y3 && res < y4) || (res > y4 && res < x3)))
                return (1);
    }
    return (0);
}

void	sprite(t_env *w, t_map *m)
{
    int		x;
    int		y;
    int         z;
    double	v1x;
    double	v1y;
    double	t1x;
    double	t1z;
    double	xscale1;
    double	x1;
    double	y1a;
    double	yscale1;
    int		d;
    int		i;
    int         l;
    int         h;
    double      diffx;
    double      diffy;
    double      range;
    int         g;
    t_coor      p;
    t_draw		work;

    d = 0;
    (void)work;

    hand(m, w);
    while (d < WIDTH)
    {
        work.ytop[d] = 0;
        work.ybot[d] = HEIGHT - 1;
        d++;
    }
    d = 0;
    x = 40;
    y = 4;
    z = 32;
    v1x = x - PL_X;
    v1y = y - PL_Y;
    t1x = v1x * PL_AS - v1y * PL_AC;
    t1z = v1x * PL_AC + v1y * PL_AS;
    xscale1 = m->player.field_of_vision_h / t1z;
    yscale1 = m->player.field_of_vision_v / t1z;
    x1 = WIDTH / 2 - (int)(t1x * xscale1);
    y1a = HEIGHT / 2 - (int)(yaw((m->sector[3].floor - m->player.coor.z), t1z, m) * yscale1) - 64;
    x1 = x1 - 32;
    diffx = fabs(m->player.coor.x - x);
    diffy = fabs(m->player.coor.y - y);
    range = sqrt((diffx * diffx) + (diffy * diffy)) / 100;
    range = 0.5 / range;
    if (range < 1)
        range = 1;
    else if (range < 2)
        y1a = y1a - (64 * fmod(range, 1));
    else
       y1a = y1a - (64 * ((int)range - 1 + fmod(range, 1)));
    g = 1;
    p.x = x;
    p.y = y;
    if (z > m->sector[m->player.sector].ceiling)
        g = 0;
    while (i < m->sector_count)
    {
        while (h < m->sector[i].wall_count)
        {
            if (m->visible[i].wall[h] == 1 && m->sector[i].network[h] < 0)
                if (pointside(p, m->sector[i].dot[h].x , m->sector[i].dot[h].y, m->sector[i].dot[h + 1].x, m->sector[i].dot[h + 1].y) <= 0)
                {
                    if (cross(m->player.coor.x, x, m->sector[i].dot[h].x, m->sector[i].dot[h + 1].x, m->player.coor.y, y, m->sector[i].dot[h].y, m->sector[i].dot[h + 1].y) == 1)
                        g = 0;
                }
            h++;
        }
        h = 0;
        i++;
    }
    if (t1z > 0 && g == 1)
    {
        while (d < 64)
        {
            i = 0;
            while (i < 64)
            {
                h = 0;
                while (h < range)
                {
                    l = 0;
                    while (l < range)
                    {
                        if (w->sprite[0].pix[d * 64 + i] != 4288151688 && (y1a + h >= 0 && y1a + h < HEIGHT) && (x1 + l >= 0 && x1 + l < WIDTH))
                            w->pix[(int)(y1a + h) * WIDTH + (int)(x1 + l)] = w->sprite[0].pix[d * 64 + i];
                         l++;
                    }
                    h++;
                }
                x1 += range;
                i++;
            }
            x1 -= 64 * range;
            y1a += range;
            d++;
        }
    }
}