1  /* ************************************************************************** */
 2  /*                                                                            */
 3  /*                                                        :::      ::::::::   */
 4  /*   init.c                                             :+:      :+:    :+:   */
 5  /*                                                    +:+ +:+         +:+     */
 6  /*   By: omougel <omougel@student.42lyon.fr>        +#+  +:+       +#+        */
 7  /*                                                +#+#+#+#+#+   +#+           */
 8  /*   Created: 2024/07/26 14:59:03 by omougel           #+#    #+#             */
 9  /*   Updated: 2024/11/12 17:56:00 by omougel          ###   ########.fr       */
10  /*                                                                            */
11  /* ************************************************************************** */
12  
13  #include "cub3D.h"
14  #include "ft_dprintf.h"
15  #include "ft_ptr.h"
16  #include "mlx.h"
17  #include "vec2f.h"
18  #include <stdio.h>
19  #include <stdlib.h>
20  #include <math.h>
21  
22  static int		cube_init_mlx(t_cube *cube);
23  static float	sign_of(float x);
24  
25  int	init_cube(t_cube *cube, const char *file_name)
26  {
27  	float const	fov = (float)SCREEN_WIDTH / (float)SCREEN_HEIGHT;
28  
29  	cube->mlx.ptr = mlx_init();
30  	if (cube->mlx.ptr == NULL)
31  		return (ft_dprintf(2, "Error\nMlx failed\n"), 0);
32  	if (!cube_parse_file(cube, file_name) || !cube_init_mlx(cube))
33  	{
34  		destroy_cube(cube);
35  		return (0);
36  	}
37  	cube->player.dir.x = cosf(cube->player.axis);
38  	cube->player.dir.y = -sinf(cube->player.axis);
39  	if (roundf(cube->player.dir.x) == 0)
40  		cube->player.camera.x = fov * sign_of(cube->player.dir.y);
41  	else if (roundf(cube->player.dir.y) == 0)
42  		cube->player.camera.y = -fov * sign_of(cube->player.dir.x);
43  	cube->player.use_pointer = false;
44  	cube->player.mouse = vec2f(0, 0);
45  	return (1);
46  }
47  
48  static int	cube_init_mlx(t_cube *cube)
49  {
50  	cube->mlx.win = mlx_new_window(cube->mlx.ptr, \
51  			SCREEN_WIDTH, SCREEN_HEIGHT, NAME);
52  	if (cube->mlx.win == NULL)
53  		return (ft_dprintf(2, "Error\nMlx failed\n"), 0);
54  	cube->mlx.img.ptr = mlx_new_image(cube->mlx.ptr, \
55  			SCREEN_WIDTH, SCREEN_HEIGHT);
56  	if (cube->mlx.img.ptr == NULL)
57  		return (ft_dprintf(2, "Error\nMlx failed\n"), 0);
58  	cube->mlx.img.width = SCREEN_WIDTH;
59  	cube->mlx.img.height = SCREEN_HEIGHT;
60  	cube->mlx.img.pixels = mlx_get_data_addr(cube->mlx.img.ptr, \
61  			&cube->mlx.img.bpp, \
62  			&cube->mlx.img.size_line, \
63  			&cube->mlx.img.endian);
64  	return (1);
65  }
66  
67  void	destroy_cube(t_cube *cube)
68  {
69  	if (!cube->mlx.ptr)
70  		return ;
71  	if (cube->map.cells)
72  		ft_free2((void **)cube->map.cells, free);
73  	if (cube->no_texture.ptr)
74  		mlx_destroy_image(cube->mlx.ptr, cube->no_texture.ptr);
75  	if (cube->ea_texture.ptr)
76  		mlx_destroy_image(cube->mlx.ptr, cube->ea_texture.ptr);
77  	if (cube->so_texture.ptr)
78  		mlx_destroy_image(cube->mlx.ptr, cube->so_texture.ptr);
79  	if (cube->we_texture.ptr)
80  		mlx_destroy_image(cube->mlx.ptr, cube->we_texture.ptr);
81  	if (cube->mlx.img.ptr)
82  		mlx_destroy_image(cube->mlx.ptr, cube->mlx.img.ptr);
83  	if (cube->mlx.win)
84  		mlx_destroy_window(cube->mlx.ptr, cube->mlx.win);
85  	mlx_destroy_display(cube->mlx.ptr);
86  	free(cube->mlx.ptr);
87  }
88  
89  static float	sign_of(float x)
90  {
91  	return ((x >= 0.f) - (x < 0.f));
92  }