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kinou-p 2022-06-16 16:19:48 +02:00
parent 2c03a2db66
commit be9d7df71d
5 changed files with 324 additions and 219 deletions
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4
Makefile
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@ -6,7 +6,7 @@
# By: apommier <apommier@student.42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2022/02/13 16:27:49 by apommier #+# #+# #
# Updated: 2022/06/15 23:36:51 by apommier ### ########.fr #
# Updated: 2022/06/16 16:16:21 by apommier ### ########.fr #
# #
# **************************************************************************** #
@ -14,8 +14,10 @@ NAME = cub3D
SRCS = srcs/main.c\
srcs/cast_ray/get_texture_array.c\
srcs/cast_ray/cast_ray.c\
srcs/cast_ray/find_wall.c\
srcs/cast_ray/utils.c\
srcs/cast_ray/set_back.c\
srcs/cast_ray/ray_casting.c\
srcs/key_event/key.c\
srcs/utils/cub_utils.c\
srcs/utils/quit_game.c\

52
includes/Cub3D.h
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@ -6,7 +6,7 @@
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/02/13 16:30:59 by apommier #+# #+# */
/* Updated: 2022/06/15 21:39:57 by apommier ### ########.fr */
/* Updated: 2022/06/16 16:18:45 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
@ -102,13 +102,47 @@ typedef struct s_data {
char *buffer;
void *mlx_win_test;
char **double_map;
void *image;
t_map_info map;
t_player player;
t_to_free to_be_free;
int err;
} t_data;
int update_pos(t_data *img);
typedef struct draw_ray_3D {
double line_height;
double line_offset;
int x;
double y;
int mx;
int my;
int color;
double gap;
double myy;
} t_draw_ray_info;
typedef struct draw_ray_var {
double ray_angle;
double ray_y;
double ray_x;
double next_x;
double next_y;
double dist_v;
double dist_h;
double dist_f;
double vx;
double vy;
int count;
double aTan;
int nb_ray;
int my;
int mx;
int mp;
char vertical_type;
char horizontal_type;
} t_var_draw_ray;
char *transform_map(char **double_map, t_data *img);
int check_texture_color(char **tab, t_data *img);
int check_map(char **av, t_data *img);
@ -118,18 +152,26 @@ void set_back(t_data *img);
unsigned char *get_texture(char type, char *path, t_data *img);
int get_color(char one, char two, char three);
void set_pixel(t_data *img, int color, int x, int y);
int set_color_texture(t_ray *ray, t_sprite img);
void get_file_size(char *path, t_data *img, int *count, int fd);
void get_map_size(char *path, t_data *img, int *count, int fd);
char next_space(char *str, int i);
int next_space_index(char *str, int i);
double reset_angle(double angle);
double deg_to_rad(double angle);
void draw_ray(t_data *img);
void set_info_draw(t_var_draw_ray *info);
void print_ray(t_data *img);
int key_press(int code, t_data *img);
void vertical_ray(t_var_draw_ray *vr, t_data *img);
void horizontal_ray(t_var_draw_ray *hr, t_data *img);
int update_pos(t_data *img);
//int key_press(int code, t_data *img);
int quit_game(t_data *img);
void ft_error(char *error_msg);
void print_player(t_player player, t_data *img);
void print_map(t_map_info map, t_data *img);
void check_dir(char *path, t_data *img);
int key_pressed(int type, t_data *img);

303
srcs/cast_ray/cast_ray.c
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@ -6,236 +6,115 @@
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/06/15 23:56:03 by apommier #+# #+# */
/* Updated: 2022/06/15 23:56:06 by apommier ### ########.fr */
/* Updated: 2022/06/16 16:18:48 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../includes/Cub3D.h"
void set_draw_info(t_draw_ray_info *info, t_ray *ray)
{
info->line_height = 64 * 960 / ray->dist;
info->line_offset = 256 - ((int)info->line_height) / 2;
info->x = 0;
info->y = 0;
info->mx = ((int)ray->mp) % 64;
info->my = 0;
info->gap = (64 / info->line_height);
info->myy = 0;
if (info->line_height > 512)
{
info->line_offset = 0;
info->myy = info->gap * ((info->line_height - 512) / 2);
}
}
void draw_ray3d(t_data *img, t_ray ray)
{
double line_height;
double line_offset;
int x;
double y;
int mx;
int my;
int color;
double gap;
double myy;
t_draw_ray_info info;
line_height = 64 * 960 / ray.dist;
line_offset = 256 - ((int)line_height) / 2;
x = 0;
y = 0;
my = 0;
myy = 0;
gap = (64 / line_height);
mx = ((int)ray.mp) % 64;
if (line_height > 512)
set_draw_info(&info, &ray);
while (info.y < info.line_height - 8 && info.y < 512)
{
line_offset = 0;
myy = gap * ((line_height - 512) / 2);
}
while (y < line_height - 8 && y < 512)
{
myy += gap;
my = (int)myy;
ray.pixel = ((my) * 64 + mx) * 3 + 1;
x = -1;
if (ray.pixel >= 12290 || ray.pixel < 0)
info.myy += info.gap;
info.my = (int)info.myy;
ray.pixel = ((info.my) * 64 + info.mx) * 3 + 1;
info.color = set_color_texture(&ray, img->map.texture);
if (info.color == -1)
return ;
else if (ray.pixel > 0)
{
if (ray.texture_type == 'N' && img->map.texture.north)
color = get_color(img->map.texture.north[ray.pixel], img->map.texture.north[ray.pixel + 1], img->map.texture.north[ray.pixel + 2]);
else if (ray.texture_type == 'S' && img->map.texture.south)
color = get_color(img->map.texture.south[ray.pixel], img->map.texture.south[ray.pixel + 1], img->map.texture.south[ray.pixel + 2]);
else if (ray.texture_type == 'W' && img->map.texture.west)
color = get_color(img->map.texture.west[ray.pixel], img->map.texture.west[ray.pixel + 1], img->map.texture.west[ray.pixel + 2]);
else if (ray.texture_type == 'E' && img->map.texture.east)
color = get_color(img->map.texture.east[ray.pixel], img->map.texture.east[ray.pixel + 1], img->map.texture.east[ray.pixel + 2]);
}
else
color = 0;
while (++x < 4)
{
set_pixel(img, color, ray.index * 4 + x, y + line_offset);
}
y++;
info.x = -1;
while (++info.x < 4)
set_pixel(img, info.color, ray.index * 4 + info.x,
info.y + info.line_offset);
info.y++;
}
x++;
info.x++;
}
void set_dist_ray(t_var_draw_ray *info, t_ray *ray_info, t_data *img)
{
ray_info->ty = info->ray_y;
ray_info->pixel = 0;
ray_info->tx = info->ray_x;
ray_info->index = info->nb_ray;
info->dist_f = info->dist_f
* cos(deg_to_rad(reset_angle(img->player.angle - info->ray_angle)));
ray_info->dist = info->dist_f;
if (info->dist_f > 0)
draw_ray3d(img, *ray_info);
info->ray_angle = reset_angle(info->ray_angle - 0.25);
}
void set_ray_info(t_var_draw_ray *info, t_data *img)
{
t_ray ray_info;
ray_info.texture_type = 0;
if (info->dist_h != -1 && (info->dist_h < info->dist_v
|| info->dist_v == -1))
{
info->dist_f = info->dist_h;
ray_info.mp = info->ray_x;
ray_info.texture_type = info->horizontal_type;
}
else if (info->dist_v != -1)
{
info->dist_f = info->dist_v;
info->ray_x = info->vx;
info->ray_y = info->vy;
ray_info.mp = info->vy;
ray_info.texture_type = info->vertical_type;
}
else
{
ray_info.mp = 0;
info->dist_f = 0;
}
set_dist_ray(info, &ray_info, img);
}
void draw_ray(t_data *img)
{
double ray_angle = 0;
double ray_y = 0;
double ray_x = 0;
double next_x = 0;
double next_y = 0;
double dist_v;
double dist_h;
double dist_f;
double vx = 0;
double vy = 0;
int count = 0;
double aTan = 0;
int nb_ray = -1;
int my = 0;
int mx = 0;
int mp = 0;
char vertical_type;
char horizontal_type;
t_var_draw_ray info;
void *new_img;
int bits_per_pixel = 0;
int size_line = 0;
int endian = 0;
new_img = mlx_new_image(img->mlx, 960, 512);
if (!new_img)
set_info_draw(&info);
img->image = mlx_new_image(img->mlx, 960, 512);
if (!img->image)
ft_exit("Error\nmlx_new_image failed\n", img);
img->buffer = mlx_get_data_addr(new_img, &bits_per_pixel, &size_line, &endian);
img->bits_per_pixel = bits_per_pixel;
img->size_line = size_line;
img->endian = endian;
img->buffer = mlx_get_data_addr(img->image, &img->bits_per_pixel,
&img->size_line, &img->endian);
set_back(img);
(void)dist_f;
count = 0;
ray_angle = reset_angle(img->player.angle + 30);
while (++nb_ray < 240)
info.count = 0;
info.ray_angle = reset_angle(img->player.angle + 30);
while (++info.nb_ray < 240)
{
count = 0;
dist_v = -1;
dist_h = -1;
//----------start vertical ray----------
aTan = tan(deg_to_rad(ray_angle));
if (cos(deg_to_rad(ray_angle)) > 0.001)//looking left
{
ray_x = (((int)img->player.x>>6)<<6) + 64;
ray_y = (img->player.x - ray_x) * aTan + img->player.y;
next_x = 64;
next_y = -next_x * aTan;
vertical_type = 'E';
}
else if (cos(deg_to_rad(ray_angle)) < -0.001)//looking right
{
ray_x = (((int)img->player.x>>6)<<6) - 0.0001;
ray_y = (img->player.x - ray_x) * aTan + img->player.y;
next_x = -64;
next_y = -next_x * aTan;
vertical_type = 'W';
}
else
{
ray_x = img->player.x;
ray_y = img->player.y;
count = img->map.max;
}
while (count < img->map.max)
{
mx = (int)(ray_x)>>6;
my = (int)(ray_y)>>6;
mp = my * img->map.x + mx;
if (mp > 0 && mp < img->map.size && img->map.simple_map[mp] == '1')//hit wall
{
count = img->map.max;
//printf("vertical wall\n");
dist_v = cos(deg_to_rad(ray_angle)) * (ray_x-img->player.x) - sin(deg_to_rad(ray_angle)) * (ray_y-img->player.y);
}
else
{
ray_x += next_x;
ray_y += next_y;
count += 1;
}
}
vx = ray_x;
vy = ray_y;
//-------start horizontal ray---------
count = 0;
aTan = 1.0 / aTan;
if (sin(deg_to_rad(ray_angle)) > 0.001)//looking up
{
ray_y = (((int)img->player.y>>6)<<6) - 0.0001;
ray_x = (img->player.y - ray_y) * aTan + img->player.x;
next_y = -64;
next_x = -next_y * aTan;
horizontal_type = 'N';
}
else if (sin(deg_to_rad(ray_angle))<-0.001)//looking down
{
ray_y = (((int)img->player.y>>6)<<6) + 64;
ray_x = (img->player.y - ray_y) * aTan + img->player.x;
next_y = 64;
next_x = -next_y * aTan;
horizontal_type = 'S';
}
else
{
ray_x = img->player.x;
ray_y = img->player.y;
count = img->map.max;
}//looking straight left or right
while (count < img->map.max)
{
mx = (int)(ray_x)>>6;
my = (int)(ray_y)>>6;
mp = my * img->map.x + mx;
if (mp > 0 && mp < img->map.size && img->map.simple_map[mp] == '1')//hit
{
count = img->map.max;
dist_h = cos(deg_to_rad(ray_angle)) * (ray_x - img->player.x) - sin(deg_to_rad(ray_angle)) * (ray_y - img->player.y);
}
else
{
ray_x += next_x;
ray_y += next_y;
count += 1;
} //check next horizontal
}
int wall_type;
t_ray ray_info;
wall_type = 0;
ray_info.texture_type = 0;
if (dist_h != -1 && (dist_h < dist_v || dist_v == -1))
{
dist_f = dist_h;
ray_info.mp = ray_x;
wall_type = 0;
ray_info.texture_type = horizontal_type;
}
else if (dist_v != -1)
{
dist_f = dist_v;
ray_x = vx;
ray_y = vy;
ray_info.mp = vy;
wall_type = 1;
ray_info.texture_type = vertical_type;
}
else
{
ray_info.mp = 0;
dist_f = 0;
}
ray_info.ty = ray_y;
ray_info.pixel = 0;
ray_info.tx = ray_x;
ray_info.index = nb_ray;
ray_info.wall_type = wall_type;
int ca = reset_angle(img->player.angle - ray_angle); //fisheye
dist_f = dist_f * cos(deg_to_rad(ca)); //fisheye
ray_info.dist = dist_f;
if (dist_f > 0)
draw_ray3d(img, ray_info);
ray_angle = reset_angle(ray_angle - 0.25);
info.count = 0;
info.dist_v = -1;
info.dist_h = -1;
vertical_ray(&info, img);
horizontal_ray(&info, img);
set_ray_info(&info, img);
}
mlx_put_image_to_window(img->mlx, img->mlx_win, new_img, 0, 0);
mlx_destroy_image(img->mlx, new_img);
mlx_put_image_to_window(img->mlx, img->mlx_win, img->image, 0, 0);
mlx_destroy_image(img->mlx, img->image);
}

144
srcs/cast_ray/find_wall.c Normal file
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@ -0,0 +1,144 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* find_wall.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/06/16 16:15:16 by apommier #+# #+# */
/* Updated: 2022/06/16 16:19:20 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../includes/Cub3D.h"
void find_horizontal_wall(t_var_draw_ray *info, t_data *img)
{
while (info->count < img->map.max)
{
info->mx = (int)(info->ray_x) >> 6;
info->my = (int)(info->ray_y) >> 6;
info->mp = info->my * img->map.x + info->mx;
if (info->mp > 0 && info->mp < img->map.size
&& img->map.simple_map[info->mp] == '1')
{
info->count = img->map.max;
info->dist_h = cos(deg_to_rad(info->ray_angle))
* (info->ray_x - img->player.x)
- sin(deg_to_rad(info->ray_angle))
* (info->ray_y - img->player.y);
}
else
{
info->ray_x += info->next_x;
info->ray_y += info->next_y;
info->count += 1;
}
}
}
void horizontal_ray(t_var_draw_ray *hr, t_data *img)
{
hr->count = 0;
hr->aTan = 1.0 / hr->aTan;
if (sin(deg_to_rad(hr->ray_angle)) > 0.001)
{
hr->ray_y = (((int)img->player.y >> 6) << 6) - 0.0001;
hr->ray_x = (img->player.y - hr->ray_y) * hr->aTan + img->player.x;
hr->next_y = -64;
hr->next_x = -hr->next_y * hr->aTan;
hr->horizontal_type = 'N';
}
else if (sin(deg_to_rad(hr->ray_angle)) < -0.001)
{
hr->ray_y = (((int)img->player.y >> 6) << 6) + 64;
hr->ray_x = (img->player.y - hr->ray_y) * hr->aTan + img->player.x;
hr->next_y = 64;
hr->next_x = -hr->next_y * hr->aTan;
hr->horizontal_type = 'S';
}
else
{
hr->ray_x = img->player.x;
hr->ray_y = img->player.y;
hr->count = img->map.max;
}
find_horizontal_wall(hr, img);
}
void find_vertical_wall(t_var_draw_ray *info, t_data *img)
{
while (info->count < img->map.max)
{
info->mx = (int)(info->ray_x) >> 6;
info->my = (int)(info->ray_y) >> 6;
info->mp = info->my * img->map.x + info->mx;
if (info->mp > 0 && info->mp < img->map.size
&& img->map.simple_map[info->mp] == '1')
{
info->count = img->map.max;
info->dist_v = cos(deg_to_rad(info->ray_angle))
* (info->ray_x - img->player.x)
- sin(deg_to_rad(info->ray_angle))
* (info->ray_y - img->player.y);
}
else
{
info->ray_x += info->next_x;
info->ray_y += info->next_y;
info->count += 1;
}
}
info->vx = info->ray_x;
info->vy = info->ray_y;
}
void vertical_ray(t_var_draw_ray *vr, t_data *img)
{
vr->aTan = tan(deg_to_rad(vr->ray_angle));
if (cos(deg_to_rad(vr->ray_angle)) > 0.001)
{
vr->ray_x = (((int)img->player.x >> 6) << 6) + 64;
vr->ray_y = (img->player.x - vr->ray_x) * vr->aTan + img->player.y;
vr->next_x = 64;
vr->next_y = -vr->next_x * vr->aTan;
vr->vertical_type = 'E';
}
else if (cos(deg_to_rad(vr->ray_angle)) < -0.001)
{
vr->ray_x = (((int)img->player.x >> 6) << 6) - 0.0001;
vr->ray_y = (img->player.x - vr->ray_x) * vr->aTan + img->player.y;
vr->next_x = -64;
vr->next_y = -vr->next_x * vr->aTan;
vr->vertical_type = 'W';
}
else
{
vr->ray_x = img->player.x;
vr->ray_y = img->player.y;
vr->count = img->map.max;
}
find_vertical_wall(vr, img);
}
void set_info_draw(t_var_draw_ray *info)
{
info->ray_angle = 0;
info->ray_y = 0;
info->ray_x = 0;
info->next_x = 0;
info->next_y = 0;
info->dist_v = 0;
info->dist_h = 0;
info->dist_f = 0;
info->vx = 0;
info->vy = 0;
info->count = 0;
info->aTan = 0;
info->nb_ray = -1;
info->my = 0;
info->mx = 0;
info->mp = 0;
info->vertical_type = 0;
info->horizontal_type = 0;
}

38
srcs/cast_ray/ray_casting.c Normal file
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@ -0,0 +1,38 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ray_casting.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/06/16 13:55:39 by apommier #+# #+# */
/* Updated: 2022/06/16 14:28:47 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../includes/Cub3D.h"
int set_color_texture(t_ray *ray, t_sprite img)
{
int color;
color = 0;
if (ray->pixel >= 12290 || ray->pixel < 0)
return (-1);
else if (ray->pixel > 0)
{
if (ray->texture_type == 'N' && img.north)
color = get_color(img.north[ray->pixel],
img.north[ray->pixel + 1], img.north[ray->pixel + 2]);
else if (ray->texture_type == 'S' && img.south)
color = get_color(img.south[ray->pixel],
img.south[ray->pixel + 1], img.south[ray->pixel + 2]);
else if (ray->texture_type == 'W' && img.west)
color = get_color(img.west[ray->pixel],
img.west[ray->pixel + 1], img.west[ray->pixel + 2]);
else if (ray->texture_type == 'E' && img.east)
color = get_color(img.east[ray->pixel],
img.east[ray->pixel + 1], img.east[ray->pixel + 2]);
}
return (color);
}