Add map checking

1 files changed, 88 insertions, 0 deletions

diff --git a/src/check_map.c b/src/check_map.c
new file mode 100644
index 0000000..af7a97d
--- /dev/null
+++ b/src/check_map.c
@@ -0,0 +1,88 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   check_map.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/05/29 13:23:01 by dkaiser           #+#    #+#             */
+/*   Updated: 2024/05/29 15:58:10 by dkaiser          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "so_long.h"
+
+static int	check_borders(t_tilemap *map);
+static int	check_exactly_one(t_tilemap *map, char tile);
+static int	check_collectibles(t_tilemap *map);
+
+int	check_map(t_tilemap *map)
+{
+	if (check_borders(map))
+		return (1);
+	if (check_exactly_one(map, PLAYER_START))
+		return (1);
+	if (check_exactly_one(map, EXIT))
+		return (1);
+	if (check_collectibles(map))
+		return (1);
+	if (check_for_valid_path(map))
+		return (1);
+	return (0);
+}
+
+static int	check_borders(t_tilemap *map)
+{
+	int	i;
+
+	i = 0;
+	while (i < map->grid_size.x)
+	{
+		if (get_tile(map, i, 0) != WALL || get_tile(map, i, map->grid_size.y
+				- 1) != WALL)
+			return (1);
+		i++;
+	}
+	i = 0;
+	while (i < map->grid_size.y)
+	{
+		if (get_tile(map, 0, i) != WALL || get_tile(map, map->grid_size.x - 1,
+				i) != WALL)
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+static int	check_exactly_one(t_tilemap *map, char tile)
+{
+	int	i;
+	int	found;
+
+	found = 0;
+	i = map->grid_size.x * map->grid_size.y - 1;
+	while (i >= 0)
+	{
+		if (map->tiles[i] == tile)
+			found++;
+		i--;
+	}
+	if (found != 1)
+		return (1);
+	return (0);
+}
+
+static int	check_collectibles(t_tilemap *map)
+{
+	int	i;
+
+	i = map->grid_size.x * map->grid_size.y - 1;
+	while (i >= 0)
+	{
+		if (map->tiles[i] == COLLECTIBLE)
+			return (0);
+		i--;
+	}
+	ft_printf("\nFound no collectibles\n");
+	return (1);
+}