added pathfinding

Assets/Scripts/Grid/PlacedObject.cs

@@ -0,0 +1,49 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Tilemaps;
+
+public class PlacedObject : MonoBehaviour
+{
+    public static PlacedObject Create(Vector3 worldPosition, Vector2Int origin, PlacedObjectTypeSO.Dir dir, PlacedObjectTypeSO placedObjectTypeSO)
+    {
+        Transform placeObjectTransform = Instantiate(placedObjectTypeSO.prefab, worldPosition, Quaternion.identity);
+
+        PlacedObject placedObject = placeObjectTransform.GetComponent<PlacedObject>();
+        placedObject.placedObjectTypeSO = placedObjectTypeSO;
+        placedObject.origin = origin;
+        placedObject.dir = dir;
+
+        if (placedObjectTypeSO.isWalkable) 
+        {
+            foreach(Vector2Int position in placedObject.GetGridPositionList())
+            {
+                Pathfinding.Instance.GetNode(position.x, position.y).SetIsWalkable(true);
+            }
+
+        }
+
+        return placedObject;
+    }
+
+    PlacedObjectTypeSO placedObjectTypeSO;
+    Vector2Int origin;
+    PlacedObjectTypeSO.Dir dir;
+
+    public List<Vector2Int> GetGridPositionList()
+    {
+        return placedObjectTypeSO.GetGridPositionList(origin, PlacedObjectTypeSO.Dir.Down);
+    }
+
+    public void DestroySelf()
+    {
+        if (placedObjectTypeSO.isWalkable)
+        {
+            foreach (Vector2Int position in GetGridPositionList())
+            {
+                Pathfinding.Instance.GetNode(position.x, position.y).SetIsWalkable(false);
+            }
+        }
+        Destroy(gameObject);
+    }
+}