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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parse.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/15 09:29:21 by cacharle #+# #+# */
/* Updated: 2020/01/11 11:29:45 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "cub3d.h"
t_state *parse(char *filename)
{
int i;
char **lines;
t_state *state;
if ((state = state_new_empty()) == NULL)
return (NULL);
if ((lines = get_file_lines(filename)) == NULL)
return (state_destroy(state));
/* for (int i = 0; lines[i]; i++) */
/* printf("%d [%s]\n", i, lines[i]); */
i = -1;
while (lines[++i] != NULL)
{
if (*lines[i] == '1')
break ;
if (!parse_line(state, lines[i]))
{
helper_free_splited(lines);
return (state_destroy(state));
}
}
if ((state = parse_map(state, lines + i)) == NULL)
{
helper_free_splited(lines);
return (state_destroy(state));
}
helper_free_splited(lines);
return (state);
}
char **get_file_lines(char *filename)
{
int fd;
int ret;
char buf[BUFFER_SIZE + 1];
char *file;
if ((fd = open(filename, O_RDONLY)) < 0)
return (NULL);
if ((file = ft_strdup("")) == NULL)
return (NULL);
while ((ret = read(fd, buf, BUFFER_SIZE)) > 0)
{
buf[ret] = '\0';
if ((file = ft_strjoin(file, buf)) == NULL)
return (NULL);
}
if (ret == -1)
return (NULL);
close(fd);
return (ft_split(file, '\n'));
}
static t_option_parser g_option_parsers[] =
{
{"R", parse_resolution},
{"NO", parse_north_texture},
{"SO", parse_south_texture},
{"WE", parse_west_texture},
{"EA", parse_east_texture},
{"S", parse_sprite_texture},
{"F", parse_floor_color},
{"C", parse_ceilling_color}
};
#define OPTIONS_PARSERS_SIZE (sizeof(g_option_parsers) / sizeof(t_option_parser))
t_bool parse_line(t_state *state, char *line)
{
int i;
if (!*line)
return (TRUE);
i = -1;
while (++i < (int)OPTIONS_PARSERS_SIZE)
if (ft_strncmp(g_option_parsers[i].id, line,
ft_strlen(g_option_parsers[i].id)) == 0)
return (g_option_parsers[i].func(
state, line + ft_strlen(g_option_parsers[i].id) + 1));
return (FALSE);
}
t_state *parse_map(t_state *state, char **lines)
{
int i;
i = -1;
while (lines[++i] != NULL)
if (*lines[i] != '1')
return (NULL);
state->map_height = i;
if ((state->map = (t_map)malloc(sizeof(t_cell*) * i)) == NULL)
return (NULL);
state->map_width = ft_strcount(*lines, '1');
i = -1;
while (lines[++i] != NULL)
if ((state->map[i] = create_map_row(lines[i])) == NULL)
return (NULL);
return (state);
}
t_cell *create_map_row(char *line)
{
int i;
t_cell *row;
if ((row = (t_cell*)malloc(sizeof(t_cell) * ft_strlen(line))) == NULL)
return (NULL);
i = 0;
while (*line)
{
if (*line == '0' || *line == '1' || *line == '2')
row[i++] = *line - '0';
else if (*line == 'N')
row[i++] = CELL_LOOK_NORTH;
else if (*line == 'S')
row[i++] = CELL_LOOK_SOUTH;
else if (*line == 'W')
row[i++] = CELL_LOOK_WEST;
else if (*line == 'E')
row[i++] = CELL_LOOK_EAST;
else
{
free(row);
return (NULL);
}
line++;
while (*line == ' ')
line++;
}
return (row);
}
|
