cub3d/src/utils/inits.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   inits.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kcolin <kcolin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/07/31 13:43:05 by kcolin            #+#    #+#             */
/*   Updated: 2025/08/11 12:44:57 by tchampio         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../cub3d_data.h"
#include "time.h"
#include "../../libft/includes/libft.h"
#include "../../mlx/mlx.h"
#include "../map/map_checker.h"
#include "frees.h"

t_img_data	*load_single_texture(t_cub3d_data *data, char *path)
{
	int			width;
	int			height;
	void		*img;
	t_img_data	*img_data;

	img = mlx_xpm_file_to_image(data->mlx, path, &width, &height);
	if (img == NULL)
	{
		ft_printf("Error: failed to open image at %s\n", path);
		destroy(data, 1);
	}
	if (width != height || width != TEXTURE_SIZE)
	{
		ft_printf("Error: textures are not the right size\n");
		destroy(data, 1);
	}
	ft_printf("image: %p\n", img);
	img_data = ft_calloc(sizeof(t_img_data), 1);
	img_data->img = img;
	img_data->addr = mlx_get_data_addr(img_data->img,
			&img_data->bits_per_pixel, &img_data->line_length,
			&img_data->endian);
	return (img_data);
}

void	load_textures(t_cub3d_data *data)
{
	data->no_texture = load_single_texture(data, data->map->no_texture);
	data->so_texture = load_single_texture(data, data->map->so_texture);
	data->we_texture = load_single_texture(data, data->map->we_texture);
	data->ea_texture = load_single_texture(data, data->map->ea_texture);
}

void	init_cub3d_data(t_cub3d_data *data, char **argv)
{
	ft_bzero(data, sizeof(*data));
	data->map = ft_calloc(sizeof(t_mapdata), 1);
	if (!check_cubfile(argv[1], data->map))
		return (ft_printf("Error: Wrong map file. Reason: %s\n",
				data->map->error), free_map(data->map), exit(1));
	data->mlx = mlx_init();
	if (data->mlx == NULL)
		return (ft_printf("Error: Failed to initalize mlx\n"),
			free_map(data->map), exit(1));
	data->mlx_win = mlx_new_window(data->mlx, WIDTH, HEIGHT, "Cub3d");
	data->img_data = ft_calloc(sizeof(t_img_data), 1);
	data->img_data->img = mlx_new_image(data->mlx, WIDTH, HEIGHT);
	data->img_data->addr = mlx_get_data_addr(data->img_data->img,
			&data->img_data->bits_per_pixel, &data->img_data->line_length,
			&data->img_data->endian);
	init_player(&data->player, data->map);
	data->screen_matrix = ft_calloc(sizeof(int), WIDTH * HEIGHT);
	load_textures(data);
	data->sprite_list = ft_calloc(sizeof(t_sprite *), MAX_SPRITES);
	ft_memset(data->sprite_distances, -1, MAX_SPRITES);
}