/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   enemy.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/01/04 14:08:08 by erey-bet          #+#    #+#             */
/*   Updated: 2023/01/04 17:04:14 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../so_long.h"

void	distance_player(char **map, int x, int y, int nbr)
{
	map[x][y] = nbr + '0';
	if (map[x][y + 1] != '1' && map[x][y + 1] == '0')
		distance_player(map, x, y + 1, nbr + 1);
	if (map[x + 1][y] != '1' && map[x + 1][y] == '0')
		distance_player(map, x + 1, y, nbr + 1);
	if (map[x - 1][y] != '1' && map[x + 1][y] == '0')
		distance_player(map, x - 1, y, nbr + 1);
	if (map[x][y - 1] != '1' && map[x][y - 1] == '0')
		distance_player(map, x, y - 1, nbr + 1);
}

t_xy	path_finding(t_data *data, int x, int y)
{
	t_xy	new_pos;
	int		i;
	char	**map;

	new_pos.x = x;
	new_pos.y = y;
	map = ft_strdups(data->map);
	distance_player(map, x, y, 0);
	i = -1;
	if (map[x][y + 1] != '1')
	{
		i = map[x][y + 1];
		new_pos.y = y + 1;
	}
	if (map[x + 1][y] != '1')
		if (i == -1 || map[x + 1][y] < i)
		{
			i = map[x + 1][y];
			new_pos.x = x + 1;
		}
	if (map[x - 1][y] != '1' && map[x + 1][y] > '0')
		if (i == -1 || map[x - 1][y] < i)
		{
			i = map[x - 1][y];
			new_pos.x = x - 1;
		}
	if (map[x][y - 1] != '1' && map[x][y - 1] == '0')
		if (i == -1 || map[x][y - 1] < i)
		{
			i = map[x][y - 1];
			new_pos.y = y - 1;
		}
	i = 0;
	while (map[i])
		free(map[i++]);
	free(map);
	return (new_pos);
}

void	move_enemy(t_data *data)
{
	t_xy	pos;

	set_element(data, data->y_ene, data->x_ene, '0');
	pos = path_finding(data, data->x_ene, data->y_ene);
	set_element(data, pos.y, pos.x, 'e');
	data->x_ene = pos.x;
	data->y_ene = pos.y;
}