/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   input.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mc <mc@student.42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/17 14:43:36 by mcolonna          #+#    #+#             */
/*   Updated: 2024/11/07 18:37:52 by mc               ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "input.h"
#include "global.h"
#include "const.h"

t_input_actions	g_input_actions;

static int	set_quit(void *_)
{
	(void)_;
	g_input_actions.quit = true;
	return (0);
}

static void	set_action(int keycode, bool value)
{
	if (keycode == XK_Up || keycode == XK_z || keycode == XK_w)
		g_input_actions.up = value;
	if (keycode == XK_Down || keycode == XK_s)
		g_input_actions.down = value;
	if (keycode == XK_Right || keycode == XK_d)
		g_input_actions.right = value;
	if (keycode == XK_Left || keycode == XK_q || keycode == XK_a)
		g_input_actions.left = value;
	if (keycode == XK_Escape)
		set_quit(NULL);
}

int	hook_keypress(int keycode)
{
	set_action(keycode, true);
	return (0);
}

int	hook_keyrelease(int keycode)
{
	set_action(keycode, false);
	return (0);
}

static int	hook_mousemove(int x, int y)
{
	static const t_point_int	window_middle = {
		SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2};
	static bool					first_call = true;
	const int					dx = x - window_middle.x;

	if (!first_call && dx)
		g_input_actions.rotate += dx;
	first_call = false;
	if (x != window_middle.x || y != window_middle.y)
		mlx_mouse_move(g_mlx, g_win, window_middle.x, window_middle.y);
	return (0);
}

// TODO hide cursor without leak?
void	input_init(void *mlx_ptr, void *win_ptr)
{
	(void)mlx_ptr;
	ft_memset(&g_input_actions, 0, sizeof(g_input_actions));
	mlx_hook(win_ptr, DestroyNotify, StructureNotifyMask, set_quit, NULL);
	mlx_hook(win_ptr, KeyPress, KeyPressMask, hook_keypress, NULL);
	mlx_hook(win_ptr, KeyRelease, KeyReleaseMask, hook_keyrelease, NULL);
	mlx_hook(win_ptr, MotionNotify, PointerMotionMask, hook_mousemove, NULL);
}