Updated SnapshotMenu to use new Streaming API

workers/unity/Assets/Editor/SnapshotMenu.cs

@@ -7,7 +7,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Assets.Editor 
+namespace Assets.Editor
 {
 	public class SnapshotMenu : MonoBehaviour
 	{
@@ -26,15 +26,18 @@ private static void GenerateDefaultSnapshot()
 		private static void SaveSnapshot(IDictionary<EntityId, Entity> snapshotEntities)
 		{
 			File.Delete(SimulationSettings.DefaultSnapshotPath);
-			var maybeError = Snapshot.Save(SimulationSettings.DefaultSnapshotPath, snapshotEntities);
 
-			if (maybeError.HasValue)
+			using (SnapshotOutputStream stream = new SnapshotOutputStream (SimulationSettings.DefaultSnapshotPath)) 
 			{
-				Debug.LogErrorFormat("Failed to generate initial world snapshot: {0}", maybeError.Value);
-			}
-			else
-			{
-				Debug.LogFormat("Successfully generated initial world snapshot at {0}", SimulationSettings.DefaultSnapshotPath);
+				foreach (var pair in snapshotEntities)
+				{
+					var error = stream.WriteEntity (pair.Key, pair.Value);
+					if (error.HasValue)
+					{
+						Debug.LogErrorFormat("Failed to generate initial world snapshot: {0}", error.Value);
+						return;
+					}
+				}
 			}
 		}
 	}