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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
#include <libft.h>
#include <cub3d.h>
#include <stddef.h>
#include <stdlib.h>
static int
ft_linecpy(char *line, char *mapl, size_t start)
{
size_t i;
size_t j;
i = 0;
j = start;
while (i < ft_strlen(line) && line[i])
{
mapl[j] = line[i];
i += 2;
j++;
}
mapl[j] = '\n';
return (0);
}
static int
ft_check_err(char *line, size_t size)
{
size_t i;
i = 1;
if (ft_strlen(line) != size || line[0] != '1'
|| line[ft_strlen(line) - 1] != '1')
return (-1);
while (i < ft_strlen(line) && line[i])
{
if (line[i] != ' ')
return (-1);
i += 2;
}
return (0);
}
static char
*ft_get_first_line(char *line, t_cub *clist)
{
size_t i;
char *mapl;
i = 0;
while (i < ft_strlen(line) && line[i])
{
if (line[i] != '1' && line[i] != '\0')
return (NULL);
i += 2;
}
clist->map_w = ft_strlen(line);
if (clist->map_w <= 2 || ft_check_err(line, clist->map_w) < 0)
return (NULL);
if (!(mapl = (char*)malloc(((clist->map_w / 2) + 2) * sizeof(char))))
return (NULL);
ft_linecpy(line, mapl, 0);
ft_memdel(line);
return (mapl);
}
static char
*ft_get_core_map(char *line, char *mapl, size_t i, t_cub *clist)
{
if (ft_check_err(line, clist->map_w) < 0)
{
ft_memdel(line);
ft_memdel(mapl);
return (NULL);
}
if (!(mapl = (char*)ft_nrealloc(mapl, (((clist->map_w / 2) + 2) * i)
* sizeof(char), ((((clist->map_w / 2) + 2) * i) +
(clist->map_w / 2) + 2) * sizeof(char))))
return (NULL);
ft_linecpy(line, mapl, ((clist->map_w / 2) + 2) * i);
ft_memdel(line);
return (mapl);
}
int
ft_get_map(int fd, t_cub *clist)
{
size_t i;
int ret;
char *line;
char *mapl;
if ((ret = get_next_line(fd, &line)) <= 0 ||
!(mapl = ft_get_first_line(line, clist)))
{
ft_memdel(line);
return (-1);
}
i = 1;
while (ret > 0)
{
ret = get_next_line(fd, &line);
if (!(mapl = ft_get_core_map(line, mapl, i, clist)))
return (-1);
i++;
}
mapl[(i * ((clist->map_w / 2) + 2)) - 1] = '\0';
ft_free_words(clist->map, NULL);
clist->map = ft_split(mapl, '\n');
ft_memdel(mapl);
return (0);
}
|
