+ astar project

1 files changed, 44 insertions, 0 deletions

diff --git a/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Core/Misc/GraphSnapshot.cs b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Core/Misc/GraphSnapshot.cs
new file mode 100644
index 0000000..4b21d17
--- /dev/null
+++ b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Core/Misc/GraphSnapshot.cs
@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+using UnityEngine.Profiling;
+
+namespace Pathfinding.Util {
+	public interface IGraphSnapshot : System.IDisposable {
+		/// <summary>
+		/// Restores the graph data to the state it had when the snapshot was taken, in the bounding box that the snapshot captured.
+		///
+		/// You can get the context from the callback provided to the <see cref="AstarPath.AddWorkItem"/> method.
+		/// </summary>
+		void Restore(IGraphUpdateContext ctx);
+	}
+
+	/// <summary>
+	/// A snapshot of parts of graphs.
+	///
+	/// See: <see cref="AstarPath.Snapshot"/>
+	/// </summary>
+	public struct GraphSnapshot : IGraphSnapshot {
+		List<IGraphSnapshot> inner;
+
+		internal GraphSnapshot (List<IGraphSnapshot> inner) {
+			this.inner = inner;
+		}
+
+		/// <summary>\copydocref{IGraphSnapshot.Restore}</summary>
+		public void Restore (IGraphUpdateContext ctx) {
+			Profiler.BeginSample("Restoring Graph Snapshot");
+			for (int i = 0; i < inner.Count; i++) {
+				inner[i].Restore(ctx);
+			}
+			Profiler.EndSample();
+		}
+
+		public void Dispose () {
+			if (inner != null) {
+				for (int i = 0; i < inner.Count; i++) {
+					inner[i].Dispose();
+				}
+				inner = null;
+			}
+		}
+	}
+}