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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_wall_cast.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:22:23 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:23:42 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <cub3d.h>
#include <stdint.h>
#include <pthread.h>
static void
ft_draw_verline(t_cub *cl, int32_t x, int32_t y, int32_t y2)
{
int32_t d;
int32_t tex_y;
(y < 0) ? (y = 0) : 0;
(y2 < 0) ? (y2 = 0) : 0;
(cl->rlist.line_h_tab[x] <= 0) ? (cl->rlist.line_h_tab[x] = 1) : 0;
while (y < y2)
{
d = y * 256 - cl->wlist.y_size * 128 + cl->rlist.line_h_tab[x] * 128;
d = (d <= 0) ? (-d) : (d);
tex_y = ((d * cl->tlist[cl->rlist.w_side_tab[x]].img_h)
/ cl->rlist.line_h_tab[x]) / 256;
(tex_y <= 0) ? (tex_y = 1) : 0;
ft_draw_texture(cl, x, y, tex_y);
y++;
}
}
static void
*ft_wall_one(void *vargp)
{
t_cub *cl;
uint16_t i;
cl = (t_cub *)vargp;
i = 0;
while (i < cl->wlist.x_size / 4)
{
ft_draw_verline(cl, i, cl->rlist.wall_t_tab[i], cl->rlist.wall_bz[i]);
i++;
}
pthread_exit(0x0);
return (0x0);
}
static void
*ft_wall_two(void *vargp)
{
t_cub *cl;
uint16_t i;
cl = (t_cub *)vargp;
i = cl->wlist.x_size / 4;
while (i < 2 * (cl->wlist.x_size / 4))
{
ft_draw_verline(cl, i, cl->rlist.wall_t_tab[i], cl->rlist.wall_bz[i]);
i++;
}
pthread_exit(0x0);
return (0x0);
}
static void
*ft_wall_three(void *vargp)
{
t_cub *cl;
uint16_t i;
cl = (t_cub *)vargp;
i = 2 * (cl->wlist.x_size / 4);
while (i < 3 * (cl->wlist.x_size / 4))
{
ft_draw_verline(cl, i, cl->rlist.wall_t_tab[i], cl->rlist.wall_bz[i]);
i++;
}
pthread_exit(0x0);
return (0x0);
}
static void
*ft_wall_four(void *vargp)
{
t_cub *cl;
uint16_t i;
cl = (t_cub *)vargp;
i = 3 * (cl->wlist.x_size / 4);
while (i < 4 * (cl->wlist.x_size / 4))
{
ft_draw_verline(cl, i, cl->rlist.wall_t_tab[i], cl->rlist.wall_bz[i]);
i++;
}
pthread_exit(0x0);
return (0x0);
}
void
*ft_wall_cast(void *vargp)
{
pthread_t tid[8];
t_cub *cl;
cl = (t_cub *)vargp;
pthread_create(&tid[0], 0x0, ft_wall_one, (void*)cl);
pthread_create(&tid[1], 0x0, ft_wall_two, (void*)cl);
pthread_create(&tid[2], 0x0, ft_wall_three, (void*)cl);
pthread_create(&tid[3], 0x0, ft_wall_four, (void*)cl);
pthread_join(tid[0], 0x0);
pthread_join(tid[1], 0x0);
pthread_join(tid[2], 0x0);
pthread_join(tid[3], 0x0);
/* pthread_exit(0x0); */
return (0x0);
}
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