/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   algo.h                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mc <mc@student.42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/09/30 15:45:59 by grobledo          #+#    #+#             */
/*   Updated: 2024/10/31 16:03:42 by mc               ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#ifndef ALGO_H
# define ALGO_H

# include <unistd.h>
# include <math.h>
# include <linux/types.h>
# include <stdbool.h>
# include <stdlib.h>
# include <X11/X.h>
# include "mlx.h"
# include "libft.h"

# include "stream.h"
# include "read_all_text.h"
# include "map.h"
# include "map_mapping.h"

# define MAP_WIDTH 24 // cases (TODO test)
# define MAP_HEIGHT 24 // cases (TODO test)
# define TEX_WIDTH 64
# define TEX_HEIGHT 64
# define MOVE_SPEED 0.05 // cases
# define PI 3.1415926535
# define ROT_SPEED_DIVIDE_PI 64 // pi/n rad
# define COLOR_WALL 0xFF0000 // 0xRRGGBB
# define COLOR_CEILING 0x29f8ff // 0xRRGGBB
# define COLOR_FLOOR 0xFF985C // 0xRRGGBB
# define SCREEN_WIDTH 640 // px
# define SCREEN_HEIGHT 480 // px
# define FOV 0.66 // ? TODO unit
# define HITBOX 0.25 // cases. should be more than MOVE_SPEED

typedef struct s_tex
{
	void	*textures[4];
	void	*current_tex;
	int		tex_height;
	int		tex_width;
	int		tex_dir;
	int		tex_x;
	int		tex_y;
	int		bpp;
	int		size_line;
	int		endian;
}	t_tex;

typedef struct s_ray
{
	// pos player on map (cases)
	t_point_double	dir;
	bool	side;
	double	wallx;
}	t_ray;

extern void		*g_mlx;
extern void		*g_win;
extern t_player	g_player;
extern t_map	g_map;
// extern t_tex	g_tex;

/// @brief Write an error message on stderr.
///
/// @param str... All the strings to write. The last parameter MUST BE NULL.
void	write_err(const char *str, ...);

void	vector_from_rotation(t_point_double *vec, double angle, double norm);

int		render(u_int32_t *img_data, t_tex *tex);

void	draw_screen(void);

void	move(void);

void	ft_init_texture(const double perpwalldist, t_ray *ray, t_tex *tex);

void	draw_wall(t_tex *tex, t_ray *ray, const int line_height, int x,
			int y, u_int32_t *img_data);
#endif