/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   move.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mcolonna <mcolonna@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/15 12:47:34 by mcolonna          #+#    #+#             */
/*   Updated: 2024/10/15 13:27:10 by mcolonna         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "algo.h"

static int move_forward(void)
{
	double dirX, dirY;
	vector_from_rotation(&dirX, &dirY, g_ray.rot, 1);

	if (worldMap[(int)((g_ray.posX + dirX * MOVE_SPEED))][(int)(g_ray.posY)] != 1)
		g_ray.posX += dirX * MOVE_SPEED;
	if (worldMap[(int)(g_ray.posX)][(int)(g_ray.posY + dirY * MOVE_SPEED)] != 1)
		g_ray.posY += dirY * MOVE_SPEED;
	return(0);
}

static int move_backward(void)
{
	double dirX, dirY;
	vector_from_rotation(&dirX, &dirY, g_ray.rot, 1);

	if (worldMap[(int)(g_ray.posX - dirX * MOVE_SPEED)][(int)(g_ray.posY)] != 1)
		g_ray.posX -= dirX * MOVE_SPEED;
	if (worldMap[(int)(g_ray.posX)][(int)(g_ray.posY - dirY * MOVE_SPEED)] != 1)
		g_ray.posY -= dirY * MOVE_SPEED;
	return(0);
}

static int move_right(void)
{
	g_ray.rot += ROT_SPEED;
	return (0);
}

static int move_left(void)
{
	g_ray.rot -= ROT_SPEED;
	return (0);
}

int keypress(int keycode)
{
	if (keycode == XK_Up || keycode == XK_z || keycode == XK_w)
		move_forward();
	if (keycode == XK_Down || keycode == XK_s)
		move_backward();
	if (keycode == XK_Right || keycode == XK_d)
		move_right();
	if (keycode == XK_Left || keycode == XK_q || keycode == XK_a)
		move_left();
	if (keycode == XK_Escape)
	{
		mlx_destroy_window(g_mlx, g_win);
		exit(0); // TODO leaks?
	}
	// render the updated frame after key pressd
	draw_screen();
	return (0);
}