push_swap/sort.c at master · carolina-tcn/push_swap · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   sort.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ctacconi <ctacconi@student.42barcel>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/04/25 16:23:04 by ctacconi          #+#    #+#             */
/*   Updated: 2024/04/25 16:23:12 by ctacconi         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

void	sort_two(t_stack *a)
{
	sa(a);
}

void	sort_three(t_stack *a)
{
	if (a->first->index == 2 && a->first->next->index == 1
		&& a->first->next->next->index == 3)
		sa(a);
	else if (a->first->index == 3 && a->first->next->index == 2
		&& a->first->next->next->index == 1)
	{
		sa(a);
		rra(a);
	}
	else if (a->first->index == 3 && a->first->next->index == 1
		&& a->first->next->next->index == 2)
		ra(a);
	else if (a->first->index == 1 && a->first->next->index == 3
		&& a->first->next->next->index == 2)
	{
		sa(a);
		ra(a);
	}
	else if (a->first->index == 2 && a->first->next->index == 3
		&& a->first->next->next->index == 1)
		rra(a);
}

void	sort_four(t_stack *a, t_stack *b)
{
	move_index_x_to_top_of_a(1, a);
	pb(a, b);
	assign_index(a);
	sort_three(a);
	pa(b, a);
}

void	sort_five(t_stack *a, t_stack *b)
{
	move_index_x_to_top_of_a(1, a);
	pb(a, b);
	move_index_x_to_top_of_a(2, a);
	pb(a, b);
	assign_index(a);
	sort_three(a);
	pa(b, a);
	pa(b, a);
}