42_cube3D/game/game.h

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   game.h                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/04/26 15:29:34 by erey-bet          #+#    #+#             */
/*   Updated: 2023/06/13 14:19:18 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#ifndef GAME_H
# define GAME_H

# include "../cube3D.h"
# include <math.h>
# include <stdlib.h>

# define WIDTH 1920
# define HEIGHT 1080
# define MOVESPEED 0.10
# define ROTATIONSPEED 60

typedef struct s_player
{
	double	pos_x;
	double	pos_y;
	double	dir_x;
	double	dir_y;
	double	pla_x;
	double	pla_y;
}	t_ply;

typedef struct s_raycast
{
	double	dir_x;
	double	dir_y;
}	t_ray;

typedef struct s_dda
{
	int		map_x;
	int		map_y;
	double	side_dist_x;
	double	side_dist_y;
	double	delta_dist_x;
	double	delta_dist_y;
	double	perp_wall_dist;
	int		step_x;
	int		step_y;
	int		hit;
	int		side;
	int		line_height;
	int		draw_start;
	int		draw_end;
}	t_dda;

typedef struct s_texture_draw
{
	mlx_texture_t	*texture;
	double			wall_x;
	int				x;
	int				y;
	double			pos;
	double			step;
}	t_texture_draw;

typedef struct s_game
{
	mlx_t			*mlx;
	mlx_image_t		*window;
	mlx_texture_t	*textures[4];
	t_ply			ply;
	t_map			map;
	t_ray			ray;
}	t_game;

/* INIT */
int				init(t_map map, t_game *game);

/* KEYS */
int				manage_keys(t_game *game);

/* RAYCASTING */
int				raycasting(t_game *game);

/* DDA ALGO */
void			dda(t_game *game, int x);

/* UTILS */
double			ft_abs(double nb);
unsigned int	get_rgba(int r, int g, int b, int a);
uint32_t		get_pixel_color(mlx_texture_t *texture, uint32_t x, uint32_t y);
int				get_texture_side(t_dda *dda);

/* DRAW */
void			draw(t_game *game, t_dda *dda, int x);
#endif