105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* map_utils2.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mcolonna <mcolonna@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/10/04 15:12:08 by mcolonna #+# #+# */
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/* Updated: 2024/10/15 16:27:41 by mcolonna ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "map_utils.h"
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#include "map_mapping.h"
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#include "map.h"
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#include <stdlib.h>
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/// @brief Read the map description to get the dimensions.
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/// The map must be at least 1x1.
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///
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/// @param map The .width and .height members will be set.
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/// @param stream Stream to use.
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/// @return true if success, false if error.
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static bool get_map_dimensions(t_map *map, t_stream *stream)
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{
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unsigned int x;
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unsigned int y;
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map->width = 0;
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map->height = 0;
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y = 0;
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while (stream->str[stream->i])
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{
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x = 0;
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while (stream->str[stream->i] && stream->str[stream->i] != '\n')
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{
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stream->i++;
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x++;
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}
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if (x > map->width)
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map->width = x;
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if (stream->str[stream->i] == '\n')
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stream->i++;
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y++;
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}
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map->height = y;
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return (map->width > 0 && map->height > 0);
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}
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bool get_case(t_map_case *dest, char name)
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{
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int i;
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char tmp[2];
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i = -1;
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while (g_map_mapping[++i].name)
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{
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if (name == g_map_mapping[i].name)
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{
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*dest = g_map_mapping[i].value;
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return (true);
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}
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}
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tmp[0] = name;
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tmp[1] = '\0';
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write_err("Character '", tmp, "' unexpected\n", NULL);
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return (false);
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}
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void fill_zeros(void *dest, size_t size)
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{
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size_t i;
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i = -1;
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while (++i < size)
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((char *)dest)[i] = '\0';
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}
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bool read_map_description(t_map *map, t_stream *stream)
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{
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t_stream stream2;
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unsigned int x;
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unsigned int y;
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stream2 = *stream;
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if (!get_map_dimensions(map, &stream2))
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return (false);
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map->cases = malloc((map->width * map->height) * sizeof(t_map_case));
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y = -1;
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fill_zeros(map->cases, (map->width * map->height) * sizeof(t_map_case));
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while (++y < map->height)
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{
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x = 0;
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while (stream->str[stream->i] && stream->str[stream->i] != '\n')
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{
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if (!get_case(&map->cases[y * map->width + x],
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stream->str[stream->i]))
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return (false);
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stream->i++;
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x++;
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}
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stream->i++;
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}
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return (true);
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}
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