/* ************************************************************************** */
/*                                                                            */
/*                                                  :::  o_   ::::::    :::   */
/*   fdf.h                                         :+:  /    :+::+:    :+:    */
/*                                                +:+   >   +:++:+    +:+     */
/*   By: whaffman <whaffman@student.codam.nl>    +#+  +:+  +#++#++:++#++      */
/*                                              +#+ +#+#+ +#++#+    +#+ \o/   */
/*   Created: 2024/12/06 11:07:39 by whaffman   #+#+# #+#+# #+#    #+#   |    */
/*   Updated: 2024/12/06 11:11:56 by whaffman   ###   ###  ###    ###   / \   */
/*                                                                            */
/* ************************************************************************** */

#ifndef FDF_H
# define FDF_H

# include <stdlib.h>
# include <unistd.h>
# include <fcntl.h>
# include <stdbool.h>
# include <math.h>
# include <stdio.h>
# include <errno.h>
# include "libft.h"
# include "MLX42.h"

# define SUCCESS 1
# define FAILURE 0

# define WRONG_LINE_LENGTH "Error: wrong line length.\n"
# define MALLOC_ERROR "Error: malloc failed\n"
# define FILE_ERROR "Error: could not open file %s\n"
# define USAGE_ERROR "Usage: %s <filename>\n"

#ifndef M_PI
    #define M_PI 3.14159265358979323846
#endif
# define SQRT2 1.41421356237309514547
# define SQRT6 2.44948974278317788134

# define WIDTH 500
# define HEIGHT 500

typedef struct	s_point_3d
{
	double	x;
	double	y;
	double	z;
	int		color;
}				t_point_3d;

typedef struct s_point_2d
{
	int		x;
	int		y;
	int		color;
}				t_point_2d;


typedef struct	s_map
{
	t_point_3d	*orig;
	t_point_3d	*rot;
	t_point_2d	*proj;
	int			width;
	int			height;
	int			z_max;
}				t_map;

typedef struct s_fdf
{
	t_map		*map;
	mlx_t		*mlx;
	mlx_image_t	*img;
	mlx_image_t *menu;
	double		angle_x;
	double		angle_y;
	double		angle_z;
	double		animate_z;
	double		zoom;
	int			offset_x;
	int			offset_y;
	int			last_width;
	int			last_height;
	double		z_scale;
}				t_fdf;

int		interpolate_color(t_point_2d start, t_point_2d end, t_point_2d current);
int		get_color(char *str);
int		get_map_sizes(char *filename, t_map *map);
void	free_line_and_split(char **line, char ***split);
int		read_map(char *filename, t_fdf *fdf);
int		parse_map(char *filename, t_fdf *fdf);
void	print_map(t_map *map);
void	copy_map(t_fdf *fdf);
void	fdf_apply_rotation(t_fdf *fdf);
void	handle_error(t_fdf *fdf, char *error);

void	rotate_x(t_point_3d **points, double angle, int size);
void	rotate_y(t_point_3d **points, double angle, int size);
void	rotate_z(t_point_3d **points, double angle, int size);
bool	fdf_put_pixel(mlx_image_t *img, t_point_2d point);
void	fdf_draw_line(mlx_image_t *img, t_point_2d start,
			t_point_2d end);
int		fdf_hooks(t_fdf *fdf);
void	resize_hook(int width, int height, void *param);

void	draw_hook(void *param);
void	key_hook(mlx_key_data_t keydata, void *param);
void	fdf_set_background(mlx_image_t *img, int color);
void	project_isometric(t_fdf *fdf);
double	deg2rad(double deg);
t_fdf	*initialise_fdf(void);
bool	clean_fdf(t_fdf *fdf);
void	get_z_max(t_fdf *fdf);
int		init_mlx(t_fdf *fdf);
void	set_map_point(t_fdf *fdf, int x, int y, char **str);
mlx_image_t	*draw_menu(t_fdf *fdf);
int		get_z_color(double z, int z_max);

#endif

// FdF by whaffman
// ============================

// [?] 				Help menu
// [a] / [d] 			Rotate around Z-axis
// [w] / [s] 		Rotate around X-axis
// [q] / [e] 			Rotate around Y-axis
// [z] / [x] 			Change Z-scale
// [=] / [-] 			Change Zoom
// [UP] / [DOWN] 	Change X-offset
// [LEFT] / [RIGHT]	Change Y-offset
// [[] / []] 			Change animation speed
// [c]				Change colormode
// [p]				Change projection mode
// [ESC] 			Close window

// ============================