/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   map_utils1.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mcolonna <mcolonna@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/03 15:02:09 by mc                #+#    #+#             */
/*   Updated: 2024/10/15 17:43:29 by mcolonna         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "map_utils.h"
#include "map.h"
#include "map_mapping.h"
#include <stdlib.h>

bool	read_color_parameter(const char *name, t_color *dest,
				t_stream *stream, bool *redefined)
{
	unsigned int	rgb[3];
	bool			err;
	t_stream		old;

	old = *stream;
	err = false;
	read_expected_string(name, stream, &err);
	read_expected_string(" ", stream, &err);
	read_unsigned(&rgb[0], stream, &err);
	read_expected_string(",", stream, &err);
	read_unsigned(&rgb[1], stream, &err);
	read_expected_string(",", stream, &err);
	read_unsigned(&rgb[2], stream, &err);
	read_expected_string("\n", stream, &err);
	if (!err && *dest != 0xFF000000)
	{
		*redefined = true;
		write_err("Parameter '", name, "' was defined several times\n",
			NULL);
	}
	else if (!err)
		*dest = color_from_rgb(rgb[0], rgb[1], rgb[2]);
	else
		*stream = old;
	return (!err);
}

bool	read_string_parameter(const char *name, const char **dest,
				t_stream *stream, bool *redefined)
{
	char		*r;
	bool		err;
	t_stream	old;

	old = *stream;
	err = false;
	r = NULL;
	read_expected_string(name, stream, &err);
	read_expected_string(" ", stream, &err);
	read_until('\n', &r, stream, &err);
	read_expected_string("\n", stream, &err);
	if (!err && *dest)
	{
		*redefined = true;
		write_err("Parameter '", name, "' was defined several times\n", NULL);
	}
	if (*redefined || err)
	{
		*stream = old;
		free(r);
	}
	else
		*dest = r;
	return (!err);
}

void	reset_map(t_map *dest)
{
	dest->cases = NULL;
	dest->color_ceiling = 0xFF000000;
	dest->color_floor = 0xFF000000;
	dest->texture_east = NULL;
	dest->texture_west = NULL;
	dest->texture_north = NULL;
	dest->texture_south = NULL;
}

bool	read_map(t_map *dest, t_stream *stream)
{
	bool	err;
	bool	rdf;

	reset_map(dest);
	err = false;
	rdf = false;
	while (!rdf && !err && stream->str[stream->i])
	{
		if ((read_expected_string("\n", stream, &err), err)
			&& !read_string_parameter("NO", &dest->texture_north, stream, &rdf)
			&& !read_string_parameter("SO", &dest->texture_south, stream, &rdf)
			&& !read_string_parameter("WE", &dest->texture_west, stream, &rdf)
			&& !read_string_parameter("EA", &dest->texture_east, stream, &rdf)
			&& !read_color_parameter("F", &dest->color_floor, stream, &rdf)
			&& !read_color_parameter("C", &dest->color_ceiling, stream, &rdf))
		{
			err = !read_map_description(dest, stream);
			break ;
		}
		err = false;
	}
	if (!rdf && !dest->cases)
		err = (write_err("Map description missing\n", NULL), true);
	(rdf || err) && (map_destroy(dest), false);
	return (!err && !rdf && dest->cases);
}

void	map_init_objects(t_map *map)
{
	t_point_int	pos;
	int			i;

	pos.x = 0;
	while (pos.x < (int)map->width)
	{
		pos.y = 0;
		while (pos.y < (int)map->height)
		{
			i = pos.y * map->width + pos.x;
			if (map->cases[i].object.init)
				map->cases[i].object.init(&map->cases[i].object.data, pos);
			pos.y++;
		}
		pos.x++;
	}
}