/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   algo.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mcolonna <mcolonna@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/01 16:24:58 by grobledo          #+#    #+#             */
/*   Updated: 2024/10/17 16:59:16 by mcolonna         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "algo.h"
#include "input.h"

void		*g_mlx = NULL;
void		*g_win = NULL;
t_map		g_map;
t_player	g_player;
t_tex		g_tex;
t_ray		g_ray;

// TODO manage image format error better

void	draw_screen(void)
{
	int			bpp;
	int			size_line;
	int			endian;
	void		*img_ptr;
	u_int32_t	*img_data;

	img_ptr = mlx_new_image(g_mlx, SCREEN_WIDTH, SCREEN_HEIGHT);
	img_data = (u_int32_t *)
		mlx_get_data_addr(img_ptr, &bpp, &size_line, &endian);
	if (bpp != 32 || endian != 0)
	{
		printf("image format error\n");
		exit(1);
	}
	render(img_data);
	mlx_put_image_to_window(g_mlx, g_win, img_ptr, 0, 0);
	mlx_destroy_image(g_mlx, img_ptr);
}

void	load_textures()
{
	g_tex.tex_width = 64;
	g_tex.tex_height = 64;

	g_tex.textures[0] = mlx_xpm_file_to_image(g_mlx, "textures/north.xpm",
			&g_tex.tex_width, &g_tex.tex_height);
	g_tex.textures[1] = mlx_xpm_file_to_image(g_mlx, "textures/south.xpm",
			&g_tex.tex_width, &g_tex.tex_height);
	g_tex.textures[2]= mlx_xpm_file_to_image(g_mlx, "textures/east.xpm",
			&g_tex.tex_width, &g_tex.tex_height);
	g_tex.textures[3]= mlx_xpm_file_to_image(g_mlx, "textures/west.xpm",
			&g_tex.tex_width, &g_tex.tex_height);
}

static void	loop(void)
{
	move();
	if (g_input_actions.quit)
	{
		mlx_destroy_window(g_mlx, g_win);
		exit(0);
	}
	draw_screen();
}

static int	loop_hook(void *param)
{
	(void)param;
	timedloop(loop);
	return (0);
}

int	main(int argc, char *argv[])
{
	g_mlx = mlx_init();
	input_init();
	load_textures();
	if (argc != 2)
	{
		printf("Syntax: %s <map.cub>\n", argv[0]);
		return (1);
	}
	if (!map_from_file(&g_map, argv[1]))
		return (1);
	g_win = mlx_new_window(g_mlx, SCREEN_WIDTH, SCREEN_HEIGHT, "cub3d");
	mlx_hook(g_win, KeyPress, KeyPressMask, keypress, NULL);
	mlx_hook(g_win, KeyRelease, KeyReleaseMask, keyrelease, NULL);
	mlx_loop_hook(g_mlx, loop_hook, NULL);
	draw_screen();
	mlx_loop(g_mlx);
	return (0);
}