[Player] Add AI Pathfinding on a 2D grid to the player character

Assets/External/AstarPathfindingProject/Generators/Utilities/NavmeshTile.cs

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+namespace Pathfinding {
+	using Pathfinding.Util;
+	using UnityEngine;
+
+	public class NavmeshTile : INavmeshHolder {
+		/// <summary>Tile triangles</summary>
+		public int[] tris;
+
+		/// <summary>Tile vertices</summary>
+		public Int3[] verts;
+
+		/// <summary>Tile vertices in graph space</summary>
+		public Int3[] vertsInGraphSpace;
+
+		/// <summary>Tile X Coordinate</summary>
+		public int x;
+
+		/// <summary>Tile Z Coordinate</summary>
+		public int z;
+
+		/// <summary>
+		/// Width, in tile coordinates.
+		/// Warning: Widths other than 1 are not supported. This is mainly here for possible future features.
+		/// </summary>
+		public int w;
+
+		/// <summary>
+		/// Depth, in tile coordinates.
+		/// Warning: Depths other than 1 are not supported. This is mainly here for possible future features.
+		/// </summary>
+		public int d;
+
+		/// <summary>All nodes in the tile</summary>
+		public TriangleMeshNode[] nodes;
+
+		/// <summary>Bounding Box Tree for node lookups</summary>
+		public BBTree bbTree;
+
+		/// <summary>Temporary flag used for batching</summary>
+		public bool flag;
+
+		public NavmeshBase graph;
+
+		#region INavmeshHolder implementation
+
+		public void GetTileCoordinates (int tileIndex, out int x, out int z) {
+			x = this.x;
+			z = this.z;
+		}
+
+		public int GetVertexArrayIndex (int index) {
+			return index & NavmeshBase.VertexIndexMask;
+		}
+
+		/// <summary>Get a specific vertex in the tile</summary>
+		public Int3 GetVertex (int index) {
+			int idx = index & NavmeshBase.VertexIndexMask;
+
+			return verts[idx];
+		}
+
+		public Int3 GetVertexInGraphSpace (int index) {
+			return vertsInGraphSpace[index & NavmeshBase.VertexIndexMask];
+		}
+
+		/// <summary>Transforms coordinates from graph space to world space</summary>
+		public GraphTransform transform { get { return graph.transform; } }
+
+		#endregion
+
+		public void GetNodes (System.Action<GraphNode> action) {
+			if (nodes == null) return;
+			for (int i = 0; i < nodes.Length; i++) action(nodes[i]);
+		}
+	}
+}