diff options
Diffstat (limited to 'src/tilemap.c')
| -rw-r--r-- | src/tilemap.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/tilemap.c b/src/tilemap.c new file mode 100644 index 0000000..c0c0524 --- /dev/null +++ b/src/tilemap.c @@ -0,0 +1,67 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* tilemap.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/05/10 14:47:01 by dkaiser #+# #+# */ +/* Updated: 2024/05/10 15:51:50 by dkaiser ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "get_next_line.h" +#include "so_long.h" + +static t_ivector get_map_size_from_file(int fd); +static int get_line_len(char *line); + +int load_map_from_file(t_tilemap *tilemap, char *filename) +{ + int fd; + + fd = open(filename, O_RDONLY); + if (fd < 0) + return (1); + tilemap->grid_size = get_map_size_from_file(fd); + close(fd); + if (tilemap->grid_size.x < 0 || tilemap->grid_size.y < 0) + return (1); + return (0); +} + +static t_ivector get_map_size_from_file(int fd) +{ + t_ivector result; + char *next_line; + + result.x = 0; + result.y = 0; + next_line = get_next_line(fd); + while (next_line) + { + if (!result.x) + result.x = get_line_len(next_line); + else if (result.x != get_line_len(next_line)) + { + free(next_line); + result.x = -1; + result.y = -1; + return (result); + } + result.y++; + free(next_line); + next_line = get_next_line(fd); + } + return (result); +} + +static int get_line_len(char *line) +{ + int len; + + len = 0; + while (line[len] && line[len] != '\n') + len++; + return (len); +} |