Wall orientation and see through wall

src/execution/movement.c

@@ -6,7 +6,7 @@
 /*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/12/05 17:11:09 by aortigos          #+#    #+#             */
-/*   Updated: 2025/12/09 18:40:05 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/01/25 15:45:28 by aortigos         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -30,25 +30,30 @@ void	rotate_player(t_mlx *mlx, int i)
 
 void	move_player(t_mlx *mlx, double move_x, double move_y)
 {
-	int	map_grid_y;
-	int	map_grid_x;
-	int	new_x;
-	int	new_y;
+	double	new_x;
+	double	new_y;
+	int		grid_x;
+	int		grid_y;
 
-	new_x = roundf(mlx->ply->plyr_x + move_x);
-	new_y = roundf(mlx->ply->plyr_y + move_y);
-	map_grid_x = (new_x / WALL_SIZE);
-	map_grid_y = (new_y / WALL_SIZE);
-	if (mlx->dt->sq_map[map_grid_y][map_grid_x] != '1'
-		&& (mlx->dt->sq_map[map_grid_y][mlx->ply->plyr_x / WALL_SIZE] != '1'
-			&& mlx->dt->sq_map[mlx->ply->plyr_y
-			/ WALL_SIZE][map_grid_x] != '1'))
-	{
+	new_x = mlx->ply->plyr_x + move_x;
+	new_y = mlx->ply->plyr_y + move_y;
+
+	/* X axis */
+	grid_x = (int)((new_x + copysign(COLLISION_MARGIN, move_x)) / WALL_SIZE);
+	grid_y = (int)(mlx->ply->plyr_y / WALL_SIZE);
+
+	if (mlx->dt->sq_map[grid_y][grid_x] != '1')
 		mlx->ply->plyr_x = new_x;
+
+	/* Y axis */
+	grid_x = (int)(mlx->ply->plyr_x / WALL_SIZE);
+	grid_y = (int)((new_y + copysign(COLLISION_MARGIN, move_y)) / WALL_SIZE);
+
+	if (mlx->dt->sq_map[grid_y][grid_x] != '1')
 		mlx->ply->plyr_y = new_y;
-	}
 }
 
+
 void	cub_hook(t_mlx *mlx, double move_x, double move_y)
 {
 	if (mlx->ply->rot == 1)

src/execution/raycasting.c

@@ -6,7 +6,7 @@
 /*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/12/09 18:41:15 by aortigos          #+#    #+#             */
-/*   Updated: 2025/12/09 18:41:30 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/01/25 15:41:07 by aortigos         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 

src/execution/render.c

@@ -6,7 +6,7 @@
 /*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/12/09 18:42:30 by aortigos          #+#    #+#             */
-/*   Updated: 2025/12/11 20:02:51 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/01/25 15:29:56 by aortigos         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -53,11 +53,23 @@ double	get_x_o(mlx_texture_t *texture, t_mlx *mlx)
 	double	x_o;
 
 	if (mlx->ray->flag == 1)
+	{
 		x_o = (int)fmodf((mlx->ray->horiz_x * (texture->width / WALL_SIZE)),
 				texture->width);
+		// Lets invert south wall so we can read text
+		if (mlx->ray->ray_ngl > 0 && mlx->ray->ray_ngl < M_PI)
+			x_o = texture->width - x_o - 1;
+	}
 	else
+	{
 		x_o = (int)fmodf((mlx->ray->vert_y * (texture->width / WALL_SIZE)),
 				texture->width);
+		// Invert also east wall
+		if (mlx->ray->ray_ngl > M_PI / 2
+				&& mlx->ray->ray_ngl < 3 * M_PI / 2)
+			x_o = texture->width - x_o - 1;
+	}
+				
 	return (x_o);
 }
 

src/map/read_map.c

@@ -6,7 +6,7 @@
 /*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/12/04 09:28:05 by aortigos          #+#    #+#             */
-/*   Updated: 2026/01/25 11:02:56 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/01/25 15:49:07 by aortigos         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -92,7 +92,7 @@ void	process_map(t_data *map, int *count)
 			(*count)++;
 		} else if (res == -1)
 		{
-			ft_putstr_fd("Error: Invalid element in map\n", 2);
+			ft_putstr_fd(ERR_INV_COP, 2);
 			freetl(map->ture, map->line, map->fd);
 			exit(1);	
 		}

src/map/read_map_utils.c

@@ -6,7 +6,7 @@
 /*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/12/04 10:07:52 by aortigos          #+#    #+#             */
-/*   Updated: 2025/12/15 10:27:21 by aortigos         ###   ########.fr       */
+/*   Updated: 2026/01/25 15:49:22 by aortigos         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -82,7 +82,7 @@ int	surrounded_by_one(char **map)
 	i = -1;
 	while (map[++i])
 		if (!is_surrounded(map[i]) || !is_validmap(map[i], &flag) || flag > 1)
-			return (ft_putstr_fd("one X\n", 2), 0);
+			return (ft_putstr_fd("Invalid map\n", 2), 0);
 	if (flag == 0)
 		return (ft_putstr_fd("no position map\n", 2), 0);
 	return (1);