42_cub3d/algo.c
2024-10-15 14:03:58 +02:00

100 lines
3.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* algo.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mcolonna <mcolonna@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/01 16:24:58 by grobledo #+# #+# */
/* Updated: 2024/10/15 13:13:13 by mcolonna ### ########.fr */
/* */
/* ************************************************************************** */
#include "algo.h"
void *g_mlx = NULL;
void *g_win = NULL;
t_ray g_ray;
int worldMap[mapWidth][mapHeight] =
{
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
{1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,1,1,0,0,1,1,1,1,1,0,0,0,0,1,0,1,0,1,0,0,0,1},
{1,0,0,1,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,1,1,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0,1,0,0,0,1},
{1,0,0,1,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,1,1,0,0,1,1,0,1,1,0,0,0,0,1,0,1,0,1,0,0,0,1},
{1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
};
static int initalgo()
{
// TODO from map
g_ray.posX = 14;
g_ray.posY = 6.5;
g_ray.rot = 0;
return (0);
}
void draw_screen(void) {
int bpp;
int size_line;
int endian;
void *img_ptr = mlx_new_image(g_mlx, SCREEN_WIDTH, SCREEN_HEIGHT);
u_int32_t *img_data = (u_int32_t *)mlx_get_data_addr(img_ptr, &bpp, &size_line, &endian);
if (bpp != 32 || endian != 0)
{
// TODO manage error better
printf("image format error (got bpp == %i, endian == %i)\n", bpp, endian);
exit(1);
}
render(img_data);
mlx_put_image_to_window(g_mlx, g_win, img_ptr, 0, 0);
}
int main(void)
{
// Initialisation
g_mlx = mlx_init();
g_win = mlx_new_window(g_mlx, SCREEN_WIDTH, SCREEN_HEIGHT, "cub3d");
initalgo();
// hook keypress
mlx_hook(g_win, 2, 1L<<0, keypress, NULL);
// render the initial frame
draw_screen();
// start the mlx loop
mlx_loop(g_mlx);
return (0);
}
// https://github.com/iciamyplant/Cub3d-Linux
// https://lodev.org/cgtutor/raycasting.html
// https://www.youtube.com/watch?v=js7HW65MmNw&list=PL0H9-oZl_QOHM34HvD3DiGmwmj5X7GvTW