/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_collision.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: fgras-ca <fgras-ca@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/01/11 14:09:52 by fgras-ca          #+#    #+#             */
/*   Updated: 2024/01/11 20:35:31 by fgras-ca         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../cub3d.h"

void	calculate_future_position(t_position_params *params)
{
	*(params->future_px) = params->px + params->pdx + params->collisionBuffer;
	*(params->future_py) = params->py + params->pdy + params->collisionBuffer;
}

int	check_collision(t_structure_main *w, int future_px, int future_py)
{
	int	future_ipx;
	int	future_ipy;

	future_ipx = future_px / w->s_map.mapS;
	future_ipy = future_py / w->s_map.mapS;
	return (w->s_map.map[future_ipy * w->s_map.mapX + future_ipx] == '0');
}

void	calculate_future_position_right_left(t_position_params *params)
{
	double	angle;
	int		collision_px;
	int		collision_py;

	angle = params->pa;
	if (params->direction == 'd')
		angle += M_PI_2;
	else
		angle -= M_PI_2;
	*(params->future_px) = params->px + (int)(cos(angle) * 5);
	*(params->future_py) = params->py + (int)(sin(angle) * 5);
	collision_px = *(params->future_px) + (int)(cos(params->pa)
			* params->collisionBuffer);
	collision_py = *(params->future_py) + (int)(sin(params->pa)
			* params->collisionBuffer);
	*(params->future_px) = collision_px;
	*(params->future_py) = collision_py;
}