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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parse.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/15 09:29:21 by cacharle #+# #+# */
/* Updated: 2020/02/05 01:27:22 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 (error_put_return("create empty state"));
if ((lines = get_file_lines(filename)) == NULL)
return (error_put_return_state_destroy("read .cub file", state));
if ((i = parse_premap(state, lines)) == -1)
{
return (error_put_return_lines_state_destroy(
"parse option", state, lines));
}
if (state->pflags != 0xFF || (state = parse_map(state, lines + i)) == NULL)
{
return (error_put_return_lines_state_destroy(state == NULL ?
"parse map" : "parse options", state, lines));
}
helper_free_splited(lines);
return (state);
}
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}
};
t_bool parse_line(t_state *state, char *line)
{
int i;
char *tmp;
if (!*line)
return (TRUE);
i = -1;
while (++i < (int)(sizeof(g_option_parsers) / sizeof(t_option_parser)))
{
if (ft_strncmp(g_option_parsers[i].id, line,
ft_strlen(g_option_parsers[i].id)) == 0)
{
tmp = line + ft_strlen(g_option_parsers[i].id);
while (*tmp == ' ')
tmp++;
return (g_option_parsers[i].func(state, tmp));
}
}
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)ft_calloc(i, sizeof(t_cell*))) == NULL)
return (NULL);
state->map_width = ft_strcount(*lines, '1');
i = -1;
while (lines[++i] != NULL)
if ((state->map[i] = create_map_row(state, lines[i])) == NULL)
return (NULL);
return (state);
}
t_cell *create_map_row(t_state *state, char *line)
{
int i;
t_cell *row;
if ((row = (t_cell*)malloc(sizeof(t_cell) * state->map_width)) == NULL)
return (NULL);
i = 0;
while (*line)
{
if (!create_map_row_char(*line, row, i++))
{
free(row);
return (NULL);
}
line++;
while (*line == ' ')
line++;
}
if (i != state->map_width)
{
free(row);
return (NULL);
}
return (row);
}
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