blob: 56d0f6dcfd3214914be399ec8eb8245a7d49aeb8 (
plain)
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
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parse_helper.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/07/23 19:24:06 by cacharle #+# #+# */
/* Updated: 2019/07/24 12:04:33 by samzur ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
#include "include.h"
/*
** initialise the `y` row of the matrix
*/
int *set_row(char *file, t_parsed_terrain *pterrain, int y)
{
int i;
int x;
int *row;
if ((row = (int*)malloc(sizeof(int) * pterrain->terrain->columns)) == NULL)
return (NULL);
i = ft_line_len(file) + 1;
i += (ft_line_len(&file[i]) + 1) * y;
x = 0;
while (x < pterrain->terrain->columns)
{
if (file[i] == pterrain->empty)
row[x] = EMPTY;
else if (file[i] == pterrain->obstacle)
row[x] = OBSTACLE;
i++;
x++;
}
return (row);
}
/*
** set dimensions of the terrain and check they correspond with the terrain,
** also check the character used for the cell types
** return -1 in case of error, 0 otherwise.
*/
int set_dimensions(char *file, t_parsed_terrain *pterrain)
{
int i;
int j;
int first_line_len;
int line_len;
first_line_len = ft_line_len(file);
if (first_line_len == 0)
return (-1);
i = 0;
while (file[i])
{
line_len = ft_line_len(&file[i]);
if (line_len != first_line_len)
return (-1);
j = -1;
while (++j < line_len)
if (file[i + j] != pterrain->empty
&& file[i + j] != pterrain->obstacle)
return (-1);
i += line_len + 1;
}
pterrain->terrain->columns = first_line_len;
return (0);
}
/*
** Parse header and check if everything is ok (number, obstacles, duplicates)
*/
int parse_header(char *file, t_parsed_terrain *pterrain)
{
int i;
i = ft_line_len(file);
if (i < 4)
return (-1);
pterrain->filled = file[--i];
pterrain->obstacle = file[--i];
pterrain->empty = file[--i];
if (pterrain->filled == pterrain->obstacle
|| pterrain->filled == pterrain->empty
|| pterrain->obstacle == pterrain->empty)
return (-1);
if ((pterrain->terrain->rows = ft_natoi(file, i)) < 0)
return (-1);
i = ft_line_len(file) + 1;
if (pterrain->terrain->rows != count_lines(&file[i])
|| pterrain->terrain->rows == 0)
return (-1);
return (i);
}
|
