/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   fdf.c                                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/04 07:43:17 by narnaud           #+#    #+#             */
/*   Updated: 2022/02/24 13:44:31 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "fdf.h"

/* Function init_datas
 * -------------------
 *  datas :
 *  fd :
 */

void	init_map(t_datas *datas, int fd)
{
	t_camera	*cam;
	t_map		*map;
	int			y;

	map = ft_calloc(1, sizeof(t_map));
	map->altitude = ft_calloc(512000, sizeof(int *));
	cam = ft_calloc(1, sizeof(t_camera));
	datas->map = parse_file(fd, map);
	map->z_mult = SCALE / (2 * map->hightest);
	cam->ang.yaw = trigo_calc((DEF_YAW % 360) * 3.1415 / 180);
	cam->ang.pitch = trigo_calc((DEF_PITCH % 360) * 3.1415 / 180);
	cam->zoom = SCALE * WIN_Y_SZ / map->depth;
	cam->center.x = WIN_X_SZ / 2;
	cam->center.y = WIN_Y_SZ / 2;
	y = 0;
	cam->render = ft_calloc(datas->map->depth, sizeof(t_2di *));
	while (y < map->depth)
	{
		cam->render[y] = (t_2di *)ft_calloc(datas->map->width, sizeof(t_2di));
		y++;
	}
	datas->cam = cam;
}

void	init_window(t_datas *datas)
{
	void	*mlx;
	void	*window;

	mlx = mlx_init();
	if (!mlx)
		exit(error_msg("Mlx fail to init", 1));
	datas->mlx = mlx;
	window = mlx_new_window(mlx, WIN_X_SZ, WIN_Y_SZ, "FdF");
	if (!window)
		exit(error_msg("Mlx fail to create window", 1));
	datas->win = window;
}

int	main(int argc, char const *argv[])
{
	t_datas		*datas;
	int			fd;

	if (argc != 2)
		return (error_msg("Wrong arguments.\n", 0));
	fd = open(argv[1], O_RDONLY);
	if (fd < 0)
		return (error_msg("File error:", 1));
	else if (ft_strncmp(get_file_ext(argv[1]), "fdf", 4))
		return (error_msg("Wrong file extension.\n", 0));
	datas = (t_datas *)malloc(sizeof(t_datas));
	init_window(datas);
	init_map(datas, fd);
	draw_map(datas);
	mlx_key_hook(datas->win, key_hook_primary, datas);
	mlx_loop(datas->mlx);
	return (0);
}