src/ft_sort_s_t.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_sort_s_t.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>

static void
	ft_init_st(uint16_t sprite_var, int32_t st_o[8])
{
	int8_t i;

	i = -1;
	while (++i < sprite_var)
		st_o[i] = i;
}

void
	ft_sort_s_t(t_cub *cl, float dist_tab[8][4096])
{
	int16_t	i;
	int32_t     tmp;
	float       tmp_i[4096];

	i = -1;
	ft_init_st(cl->mlist.sprite_var, cl->mlist.st_o);
	while (++i < cl->mlist.sprite_var)
		if (dist_tab[i][0] < dist_tab[i + 1][0])
		{
			tmp = cl->mlist.st_o[i];
			cl->mlist.st_o[i] = cl->mlist.st_o[i + 1];
			cl->mlist.st_o[i + 1] = tmp;
			ft_memcpy(tmp_i, dist_tab[i], 4096);
			ft_memcpy(dist_tab[i], dist_tab[i + 1], 4096);
			ft_memcpy(dist_tab[i + 1], tmp_i, 4096);
			i = -1;
		}
}