+ astar project

1 files changed, 50 insertions, 0 deletions

diff --git a/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Graphs/Grid/Jobs/JobCopyBuffers.cs b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Graphs/Grid/Jobs/JobCopyBuffers.cs
new file mode 100644
index 0000000..690448f
--- /dev/null
+++ b/Other/AstarPathfindingDemo/Packages/com.arongranberg.astar/Graphs/Grid/Jobs/JobCopyBuffers.cs
@@ -0,0 +1,50 @@
+using UnityEngine;
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Mathematics;
+using Pathfinding.Jobs;
+using UnityEngine.Assertions;
+
+namespace Pathfinding.Graphs.Grid.Jobs {
+	/// <summary>
+	/// Copies 3D arrays with grid data from one shape to another.
+	///
+	/// Only the data for the nodes that exist in both buffers will be copied.
+	///
+	/// This essentially is several <see cref="JobCopyRectangle"/> jobs in one (to avoid scheduling overhead).
+	/// See that job for more documentation.
+	/// </summary>
+	[BurstCompile]
+	public struct JobCopyBuffers : IJob {
+		[ReadOnly]
+		[DisableUninitializedReadCheck]
+		public GridGraphNodeData input;
+
+		[WriteOnly]
+		public GridGraphNodeData output;
+		public IntBounds bounds;
+
+		public bool copyPenaltyAndTags;
+
+		public void Execute () {
+#if ENABLE_UNITY_COLLECTIONS_CHECKS
+			if (!input.bounds.Contains(bounds)) throw new System.ArgumentException("Bounds are outside the source buffer");
+			if (!output.bounds.Contains(bounds)) throw new System.ArgumentException("Bounds are outside the destination buffer");
+#endif
+			var inputSlice = new Slice3D(input.bounds, bounds);
+			var outputSlice = new Slice3D(output.bounds, bounds);
+			// Note: Having a single job that copies all of the buffers avoids a lot of scheduling overhead.
+			// We do miss out on parallelization, however for this job it is not that significant.
+			JobCopyRectangle<Vector3>.Copy(input.positions, output.positions, inputSlice, outputSlice);
+			JobCopyRectangle<float4>.Copy(input.normals, output.normals, inputSlice, outputSlice);
+			JobCopyRectangle<ulong>.Copy(input.connections, output.connections, inputSlice, outputSlice);
+			if (copyPenaltyAndTags) {
+				JobCopyRectangle<uint>.Copy(input.penalties, output.penalties, inputSlice, outputSlice);
+				JobCopyRectangle<int>.Copy(input.tags, output.tags, inputSlice, outputSlice);
+			}
+			JobCopyRectangle<bool>.Copy(input.walkable, output.walkable, inputSlice, outputSlice);
+			JobCopyRectangle<bool>.Copy(input.walkableWithErosion, output.walkableWithErosion, inputSlice, outputSlice);
+		}
+	}
+}