ft_validation.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_validation.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: yijhuang <yijhuang@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/03/02 21:56:14 by yijhuang          #+#    #+#             */
/*   Updated: 2019/03/02 23:37:33 by yijhuang         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "fillit.h"

static int	diff(int x, int y)
{
	return (((x - y) == 1) || ((y - x) == 1));
}

int			check_count(char **p)
{
	int i;
	int j;
	int reg;

	i = -1;
	reg = 0;
	while (p[++i])
	{
		j = -1;
		while (p[i][++j])
		{
			if (p[i][j] == '#')
				reg += 1;
			else if (p[i][j] != '.')
				ft_error();
		}
	}
	if (reg != 4)
		return (0);
	return (1);
}

int			check_relate(int *x, int *y)
{
	int i;
	int j;
	int reg;

	i = -1;
	reg = 0;
	while (++i < 4)
	{
		j = -1;
		while (++j < 4)
		{
			reg += relate_two(x[i], y[i], x[j], y[j]);
		}
	}
	if (reg == 6 || reg == 8)
		return (1);
	return (0);
}

int			relate_two(int x1, int y1, int x2, int y2)
{
	if (x1 == x2 && diff(y1, y2))
		return (1);
	else if (y1 == y2 && diff(x1, x2))
		return (1);
	return (0);
}