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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_draw_sprite.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/24 20:22:45 by rbousset #+# #+# */
/* Updated: 2020/03/09 18:56:01 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <cub3d.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* static void */
/* ft_sort_sprites_norme(float *dist_tab, int32_t *i, t_cub *cl) */
/* { */
/* uint32_t tmp; */
/* uint32_t it; */
/* it = *i; */
/* tmp = 0; */
/* if (dist_tab[it] > dist_tab[it + 1]) */
/* { */
/* puts("qwe"); */
/* tmp = dist_tab[it]; */
/* dist_tab[it] = dist_tab[it + 1]; */
/* dist_tab[it + 1] = tmp; */
/* tmp = cl->mlist.sprite_order[it]; */
/* cl->mlist.sprite_order[it] = cl->mlist.sprite_order[it + 1]; */
/* cl->mlist.sprite_order[it + 1] = tmp; */
/* it = 0; */
/* } */
/* } */
void
ft_sort_sprites(t_cub *cl)
{
float dist_tab[4096];
int32_t it;
int32_t jt;
int32_t tmp;
it = 0;
jt = 0;
while (jt < cl->mlist.sprite_var)
{
while (it < cl->mlist.sprite_nbr)
{
dist_tab[it] =
((cl->plist.pos_x - cl->sprites[0][it].s_pos_x) *
(cl->plist.pos_x - cl->sprites[0][it].s_pos_x) +
(cl->plist.pos_y - cl->sprites[0][it].s_pos_y) *
(cl->plist.pos_y - cl->sprites[0][it].s_pos_y));
cl->mlist.sprite_order[it] = it;
it++;
}
it = 0;
jt++;
}
it = 0;
while (it < cl->mlist.sprite_nbr)
{
if (dist_tab[it] < dist_tab[it + 1])
{
tmp = dist_tab[it];
dist_tab[it] = dist_tab[it + 1];
dist_tab[it + 1] = tmp;
tmp = cl->mlist.sprite_order[it];
cl->mlist.sprite_order[it] = cl->mlist.sprite_order[it + 1];
cl->mlist.sprite_order[it + 1] = tmp;
it = 0;
}
it++;
}
for (int i = 0; i < 4; i++)
printf("%d\n", cl->mlist.sprite_order[i]);
}
static void
ft_put_sprite(t_sprite *sprite, t_cub *cl)
{
float dist;
float calc;
if ((dist = cl->rlist.wall_dist_tab[sprite->x]) <= 0)
dist = 0.0001;
calc = (dist * 0.1 * cl->mlist.darklvl);
calc = (calc >= 255) ? (255) : (calc);
calc = (calc < 1) ? (1) : (calc);
cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline)] =
(uint8_t)cl->tlist[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
cl->tlist[sprite->current_sprite].img_h * sprite->tex_y] / calc;
cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline) + 1] =
(uint8_t)cl->tlist[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
cl->tlist[sprite->current_sprite].img_h * sprite->tex_y + 1] / calc;
cl->img.ptr[sprite->x * 4 + (sprite->y * cl->img.sizeline) + 2] =
(uint8_t)cl->tlist[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
cl->tlist[sprite->current_sprite].img_h * sprite->tex_y + 2] / calc;
cl->img.ptr[sprite->x * 4 + cl->wlist.x_size * sprite->y + 3] = (char)0;
}
void
ft_draw_sprite(t_cub *cl, t_sprite *sprite)
{
int32_t d;
sprite->x = sprite->drawstartx;
while (sprite->x < sprite->drawendx)
{
sprite->tex_x = (int32_t)((sprite->x - (-sprite->spritewidth / 2 +
sprite->spritescreenx))
* cl->tlist[sprite->current_sprite].img_w / sprite->spritewidth);
sprite->y = sprite->drawstarty;
while (sprite->y < sprite->drawendy)
{
d = sprite->y * 256 - cl->wlist.y_size * 128 +
sprite->spriteheight * 128;
sprite->tex_y = ((d * cl->tlist[sprite->current_sprite].img_h / 2) /
sprite->spriteheight) / 128;
if (sprite->transformy > 0 &&
cl->tlist[sprite->current_sprite].ptr[sprite->tex_x * 4 + 4 *
cl->tlist[sprite->current_sprite].img_h * sprite->tex_y]
&& cl->rlist.wall_dist_tab[sprite->x] > sprite->transformy)
ft_put_sprite(sprite, cl);
sprite->y++;
}
sprite->x++;
}
}
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