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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* cub3d.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/15 06:40:37 by cacharle #+# #+# */
/* Updated: 2020/02/04 02:54:03 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#ifndef CUB3D_H
# define CUB3D_H
# include <unistd.h>
# include <fcntl.h>
# include <stdlib.h>
# include <math.h>
# include "mlx.h"
# include "libft.h"
# define CUB3D_BUFFER_SIZE 64
# define WINDOW_TITLE "cub3D"
# define MLXK_ESC 53
# define MLXK_W 13
# define MLXK_A 0
# define MLXK_S 1
# define MLXK_D 2
# define MLXK_LEFT 123
# define MLXK_RIGHT 124
# define MLX_LITTLE_ENDIAN 0
# define MLX_BIG_ENDIAN 1
# define FILE_HEADER_SIZE 14
# define INFO_HEADER_SIZE 40
# define TRUE 1
# define FALSE 0
typedef int t_bool;
typedef struct
{
double x;
double y;
} t_vector;
typedef union
{
unsigned int hexcode;
struct
{
t_byte b;
t_byte g;
t_byte r;
t_byte alpha;
} rgb;
} t_color;
typedef enum
{
CELL_EMPTY = 0,
CELL_WALL = 1,
CELL_ITEM = 2,
CELL_LOOK_NORTH,
CELL_LOOK_SOUTH,
CELL_LOOK_WEST,
CELL_LOOK_EAST
} t_cell;
typedef t_cell** t_map;
enum
{
TEX_NORTH,
TEX_SOUTH,
TEX_WEST,
TEX_EAST,
TEX_SPRITE
};
# define TEXTURES_NUM (TEX_SPRITE - TEX_NORTH + 1)
typedef struct
{
int width;
int height;
void *id;
char *data;
int depth;
int size_line;
int endian;
} t_image;
typedef struct
{
t_vector pos;
double dist;
} t_sprite;
typedef struct s_state
{
t_bool running;
void *mlx_ptr;
void *window_ptr;
t_vector pos;
t_vector dir;
t_vector plane;
t_map map;
int map_width;
int map_height;
t_color ceilling_color;
t_color floor_color;
t_image window;
char *textures_path[TEXTURES_NUM];
t_image textures[TEXTURES_NUM];
double *z_buffer;
int sprites_num;
t_sprite *sprites;
} t_state;
typedef enum
{
SIDE_NS,
SIDE_WE
} t_side;
typedef struct s_render_state
{
int x;
t_vector ray;
t_vector map_pos;
t_vector delta;
t_side side;
double perp_dist;
int line_height;
t_vector probe;
t_vector map_step;
int draw_start;
int draw_end;
t_cell target;
} t_render_state;
typedef struct
{
t_vector sprite;
double inverse_det;
t_vector transform;
int sprite_window_x;
int draw_start_x;
int draw_end_x;
int sprite_height;
int sprite_width;
int draw_end_y;
int draw_start;
} t_sprite_state;
typedef t_bool (*t_option_parser_func)(t_state *state, char *line);
typedef struct s_option_parser
{
char *id;
t_option_parser_func func;
} t_option_parser;
/*
** parse/parse.c
*/
t_state *parse(char *filename);
char **get_file_lines(char *filename);
t_bool parse_line(t_state *state, char *line);
t_state *parse_map(t_state *state, char **lines);
t_cell *create_map_row(char *line);
/*
** parse/parse_check.c
*/
t_state *parse_check(t_state *state);
/*
** parse/parse_resolution.c
*/
t_bool parse_resolution(t_state *state, char *line);
/*
** parse/parse_textures.c
*/
t_bool parse_north_texture(t_state *state, char *line);
t_bool parse_south_texture(t_state *state, char *line);
t_bool parse_west_texture(t_state *state, char *line);
t_bool parse_east_texture(t_state *state, char *line);
t_bool parse_sprite_texture(t_state *state, char *line);
/*
** parse/parse_color.c
*/
t_bool parse_floor_color(t_state *state, char *line);
t_bool parse_ceilling_color(t_state *state, char *line);
/*
** event.c
*/
int event_keydown(int key, t_state *state);
int event_quit(t_state *state);
/*
** state.c
*/
t_state *state_new(t_state *state);
void state_init_player(t_state *state);
t_state *state_new_empty(void);
void *state_destroy(t_state *state);
void load_texture(void *mlx_ptr, t_image *image, char *path);
/*
** render.c
*/
int render_update(void *param);
void render_update_window(t_state *state);
void render_column(t_state *state, int x);
void render_window_column(t_state *state, t_render_state *rstate);
/*
** vector.c
*/
t_vector vector_add(t_vector a, t_vector b);
t_vector vector_scale(t_vector v, double scalar);
t_vector vector_rotate(t_vector v, double angle);
double vector_norm(t_vector v);
t_vector vector_new(double x, double y);
/*
** error.c
*/
void error_put_usage_exit(char *name);
void error_put(char *message);
void *error_put_return(char *message);
void *error_put_return_state_destroy(char *message, t_state *state);
void *error_put_return_lines_state_destroy(
char *message, t_state *state, char **lines);
/*
** helper.c
*/
t_bool helper_is_player_cell(t_cell cell);
void helper_free_splited(char **splited);
void helper_rotate_player(t_state *state, double rotation);
void helper_init_dir_plane(t_state *state, int y, int x);
t_bool state_init_sprites(t_state *state);
/*
** render_state.c
*/
void rstate_init(t_state *state, t_render_state *rstate, int x);
void rstate_post(t_state *state, t_render_state *rstate);
void rstate_perp_dist(t_state *state, t_render_state *rstate);
void rstate_line_height(t_state *state, t_render_state *rstate);
void rstate_next_probe(t_render_state *rstate);
/*
** texture.c
*/
void texture_render(t_state *state, t_render_state *rstate, int *i);
t_image *texture_select(t_state *state, t_render_state *rstate);
int texture_x(t_state *state, t_render_state *rstate, t_image *texture);
/*
** capture.c
*/
int capture(t_state *state);
t_bool bmp_write(t_image *image, t_byte file_header[FILE_HEADER_SIZE],
t_byte info_header[INFO_HEADER_SIZE]);
void bmp_write_pixels(int fd, t_image *image, t_byte *bmp_data);
void bmp_fill_header(t_image *image, t_byte file_header[FILE_HEADER_SIZE],
t_byte info_header[INFO_HEADER_SIZE]);
/*
** render_sprite.c
*/
void render_update_sprite(t_state *state);
/*
** sprite_sort.c
*/
void sprite_sort(t_state *state);
#endif
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