update

Packages/com.arongranberg.astar/Graphs/Navmesh/TileMesh.cs

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+using Pathfinding.Collections;
+using Unity.Collections;
+
+namespace Pathfinding.Graphs.Navmesh {
+	/// <summary>
+	/// A tile in a navmesh graph.
+	///
+	/// This is an intermediate representation used when building the navmesh, and also in some cases for serializing the navmesh to a portable format.
+	///
+	/// See: <see cref="NavmeshTile"/> for the representation used for pathfinding.
+	/// </summary>
+	public struct TileMesh {
+		public int[] triangles;
+		public Int3[] verticesInTileSpace;
+		/// <summary>One tag per triangle</summary>
+		public uint[] tags;
+
+		/// <summary>Unsafe version of <see cref="TileMesh"/></summary>
+		public struct TileMeshUnsafe {
+			/// <summary>Three indices per triangle</summary>
+			public UnsafeSpan<int> triangles;
+			/// <summary>One vertex per triangle</summary>
+			public UnsafeSpan<Int3> verticesInTileSpace;
+			/// <summary>One tag per triangle</summary>
+			public UnsafeSpan<uint> tags;
+
+			/// <summary>
+			/// Frees the underlaying memory.
+			/// This struct should not be used after this method has been called.
+			///
+			/// Warning: Only call if you know that the memory is owned by this struct, as it is entirely possible for it to just represent views into other memory.
+			/// </summary>
+			public void Dispose (Allocator allocator) {
+				triangles.Free(allocator);
+				verticesInTileSpace.Free(allocator);
+				tags.Free(allocator);
+			}
+
+			public TileMesh ToManaged () {
+				return new TileMesh {
+						   triangles = triangles.ToArray(),
+						   verticesInTileSpace = verticesInTileSpace.ToArray(),
+						   tags = tags.ToArray(),
+				};
+			}
+		}
+	}
+}