Push Swap

moves.c

@@ -0,0 +1,78 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   moves.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/08/14 06:19:17 by aortigos          #+#    #+#             */
+/*   Updated: 2024/08/14 06:24:42 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+static void	reverse_both(t_stack **a, t_stack **b, int *cost_a, int *cost_b)
+{
+	while (*cost_a < 0 && *cost_b < 0)
+	{
+		(*cost_a)++;
+		(*cost_b)++;
+		ft_rrr(a, b);
+	}
+}
+
+static void	rotate_both(t_stack **a, t_stack **b, int *cost_a, int *cost_b)
+{
+	while (*cost_a > 0 && *cost_b > 0)
+	{
+		(*cost_a)--;
+		(*cost_b)--;
+		ft_rr(a, b);
+	}
+}
+
+static void	rotate_a(t_stack **a, int *cost)
+{
+	while (*cost)
+	{
+		if (*cost > 0)
+		{
+			ft_ra(a);
+			(*cost)--;
+		}
+		else if (*cost < 0)
+		{
+			ft_rra(a);
+			(*cost)++;
+		}
+	}
+}
+
+static void	rotate_b(t_stack **b, int *cost)
+{
+	while (*cost)
+	{
+		if (*cost > 0)
+		{
+			ft_rb(b);
+			(*cost)--;
+		}
+		else if (*cost < 0)
+		{
+			ft_rrb(b);
+			(*cost)++;
+		}
+	}
+}
+
+void	do_move(t_stack **a, t_stack **b, int cost_a, int cost_b)
+{
+	if (cost_a < 0 && cost_b < 0)
+		reverse_both(a, b, &cost_a, &cost_b);
+	else if (cost_a > 0 && cost_b > 0)
+		rotate_both(a, b, &cost_a, &cost_b);
+	rotate_a(a, &cost_a);
+	rotate_b(b, &cost_b);
+	ft_pa(a, b);
+}