upgraded to SpatialOS 12.0.4

Author: johnprobable

snapshots/default.snapshot

@@ -7,7 +7,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Assets.Editor 
+namespace Assets.Editor
 {
 	public class SnapshotMenu : MonoBehaviour
 	{
@@ -25,16 +25,20 @@ 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)
-			{
-				Debug.LogErrorFormat("Failed to generate initial world snapshot: {0}", maybeError.Value);
-			}
-			else
+			using (SnapshotOutputStream stream = new SnapshotOutputStream(SimulationSettings.DefaultSnapshotPath))
 			{
-				Debug.LogFormat("Successfully generated initial world snapshot at {0}", SimulationSettings.DefaultSnapshotPath);
+				foreach (var kvp in snapshotEntities)
+				{
+					var error = stream.WriteEntity(kvp.Key, kvp.Value);
+					if (error.HasValue)
+					{
+						Debug.LogErrorFormat("Failed to generate initial world snapshot: {0}", error.Value);
+						return;
+					}
+				}
 			}
+
+			Debug.LogFormat("Successfully generated initial world snapshot at {0}", SimulationSettings.DefaultSnapshotPath);
 		}
 	}
 }