Add new meta files and interfaces for project structure

Assets/Samples/A_ Pathfinding Project/5.3.8/Example scenes/ExampleScripts/DoorController.cs

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+using UnityEngine;
+
+namespace Pathfinding.Examples {
+	/// <summary>Example script used in the example scenes</summary>
+	[HelpURL("https://arongranberg.com/astar/documentation/stable/doorcontroller.html")]
+	public class DoorController : MonoBehaviour {
+		private bool open = false;
+
+		public PathfindingTag opentag = 1;
+		public PathfindingTag closedtag = 1;
+		public bool updateGraphsWithGUO = true;
+		public float yOffset = 5;
+
+		Bounds bounds;
+
+		public void Start () {
+			// Capture the bounds of the collider while it is closed
+			bounds = GetComponent<Collider>().bounds;
+
+			// Initially open the door
+			SetState(open);
+		}
+
+		void OnGUI () {
+			// Show a UI button for opening and closing the door
+			if (GUI.Button(new Rect(5, yOffset, 100, 22), "Toggle Door")) {
+				SetState(!open);
+			}
+		}
+
+		public void SetState (bool open) {
+			this.open = open;
+
+			if (updateGraphsWithGUO) {
+				// Update the graph below the door
+				// Set the tag of the nodes below the door
+				// To something indicating that the door is open or closed
+				GraphUpdateObject guo = new GraphUpdateObject(bounds);
+				var tag = open ? opentag : closedtag;
+
+				// There are only 32 tags
+				if (tag > 31) { Debug.LogError("tag > 31"); return; }
+
+				guo.modifyTag = true;
+				guo.setTag = tag;
+				guo.updatePhysics = false;
+
+				AstarPath.active.UpdateGraphs(guo);
+			}
+
+			// Play door animations
+			if (open) {
+				GetComponent<Animation>().Play("Open");
+			} else {
+				GetComponent<Animation>().Play("Close");
+			}
+		}
+	}
+}