cub3d/src/main.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tchampio <tchampio@student.42lehavre.      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/05/06 13:16:11 by tchampio          #+#    #+#             */
/*   Updated: 2025/06/24 10:40:02 by tchampio         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../includes/libft.h"
#include "../includes/cub3d_consts.h"
#include "../includes/structs.h"
#include "../mlx/mlx.h"
#include "../includes/maputils.h"
#include <stdbool.h>
#include <unistd.h>
#include <fcntl.h>

void	my_mlx_pixel_put(t_mlx_data *data, int x, int y, int color)
{
	char	*dst;

	dst = data->addr + (y * data->line_length + x * (data->bits_per_pixel / 8));
	*(unsigned int*)dst = color;
}

void	draw_2d_wall(unsigned int color, t_mlx_data *data, int size, int x, int y)
{
	int	i;
	int	j;
	
	i = 0;
	while (i < size)
	{
		j = 0;
		while (j < size)
		{
			my_mlx_pixel_put(data, x + i, y + j, color);
			j++;
		}
		i++;
	}
}

void	free_tab(char **tab)
{
	int	i;

	if (!tab)
		return ;
	i = 0;
	while (tab[i])
	{
		free(tab[i]);
		i++;
	}
	free(tab);
}
int	destroy(t_mapdata *map)
{
	free_tab(map->map);
	free_tab(map->mapflood);
	free(map->ea_texture);
	free(map->no_texture);
	free(map->so_texture);
	free(map->we_texture);
	free(map->filename);
	exit(0);
	return 0;
}

int	key_destroy(int keycode, t_mapdata *map)
{
	if (keycode == 65307)
		destroy(map);
	return (0);
}

void	draw_map(t_mapdata *map, t_mlx_data *data)
{
	int	i;
	int	j;

	i = 0;
	while (map->mapflood[i])
	{
		j = 0;
		while (map->mapflood[i][j])
		{
			if (map->mapflood[i][j] == '1')
				draw_2d_wall(map->f_color, data, 10, 10 * j, 10 * i);
			else if (ft_strchr("NSEW", map->map[i][j]))
				draw_2d_wall(0x00FF0000, data, 10, 10 * j, 10 * i);
			j++;
		}
		i++;
	}
}

int	main(int argc, char **argv)
{
	void		*mlx;
	void		*mlx_win;
	t_mlx_data	data;
	t_mapdata	map;

	ft_bzero(&map, sizeof(map));
	if (argc < 2)
		return (ft_printf("Error: Missing cub3d file\n"), 1);
	if (!check_cubfile(argv[1], &map))
		return (ft_printf("Error: Wrong map file. Reason: %s\n", map.error), 1);
	mlx = mlx_init();
	mlx_win = mlx_new_window(mlx, 800, 600, "Cub3d");
	data.img = mlx_new_image(mlx, 800, 600);
	data.addr = mlx_get_data_addr(data.img, &data.bits_per_pixel, &data.line_length, &data.endian);
	mlx_hook(mlx_win, 17, 0L, destroy, &map);
	draw_map(&map, &data);
	mlx_key_hook(mlx_win, key_destroy, &map);
	mlx_put_image_to_window(mlx, mlx_win, data.img, 0, 0);
	mlx_loop(mlx);
}