added hybrid onchange compression to serializedobject helpers

Runtime/Util/BinaryWriterExtensions.cs

@@ -65,6 +65,16 @@ namespace VelNet
 		#endregion
 
 
+		public static bool SameAs(this byte[] bytes, byte[] otherBytes)
+		{
+			if (bytes.Length != otherBytes.Length)
+			{
+				return false;
+			}
+
+			return !bytes.Where((t, i) => t != otherBytes[i]).Any();
+		}
+
 		/// <summary>
 		/// Compresses the list of bools into bytes using a bitmask
 		/// </summary>

Runtime/Util/NetworkSerializedObject.cs

@@ -1,6 +1,6 @@
-using System.Collections;
+using System;
+using System.Collections;
 using UnityEngine;
-using UnityEngine.Serialization;
 
 namespace VelNet
 {
@@ -9,6 +9,15 @@ namespace VelNet
 		[Tooltip("Send rate of this object. This caps out at the framerate of the game.")]
 		public float serializationRateHz = 30;
 
+		/// <summary>
+		/// If the data hasn't changed, only sends updates across the network at 1Hz
+		/// </summary>
+		public bool hybridOnChangeCompression = true;
+
+		private byte[] lastSentBytes;
+		private double lastSendTime;
+		private const double slowSendInterval = 2;
+
 		protected virtual void Awake()
 		{
 			StartCoroutine(SendMessageUpdate());
@@ -18,9 +27,30 @@ namespace VelNet
 		{
 			while (true)
 			{
-				if (IsMine)
+				try
 				{
-					SendBytes(SendState());
+					if (IsMine)
+					{
+						byte[] newBytes = SendState();
+						if (hybridOnChangeCompression)
+						{
+							if (Time.timeAsDouble - lastSendTime > slowSendInterval || !lastSentBytes.SameAs(newBytes))
+							{
+								SendBytes(newBytes);
+							}
+						}
+						else
+						{
+							SendBytes(newBytes);
+						}
+
+						lastSendTime = Time.timeAsDouble;
+						lastSentBytes = newBytes;
+					}
+				}
+				catch (Exception e)
+				{
+					Debug.LogError(e);
 				}
 
 				yield return new WaitForSeconds(1f / serializationRateHz);

Runtime/Util/NetworkSerializedObjectStream.cs

@@ -2,7 +2,6 @@
 using System.Collections;
 using System.IO;
 using UnityEngine;
-using UnityEngine.Serialization;
 
 namespace VelNet
 {
@@ -11,6 +10,16 @@ namespace VelNet
 		[Tooltip("Send rate of this object. This caps out at the framerate of the game.")]
 		public float serializationRateHz = 30;
 
+		/// <summary>
+		/// If the data hasn't changed, only sends updates across the network at 1Hz
+		/// </summary>
+		public bool hybridOnChangeCompression = true;
+
+		private byte[] lastSentBytes;
+		private double lastSendTime;
+		private const double slowSendInterval = 2;
+
+
 		protected virtual void Awake()
 		{
 			StartCoroutine(SendMessageUpdate());
@@ -27,7 +36,22 @@ namespace VelNet
 						using MemoryStream mem = new MemoryStream();
 						using BinaryWriter writer = new BinaryWriter(mem);
 						SendState(writer);
-						SendBytes(mem.ToArray());
+
+						byte[] newBytes = mem.ToArray();
+						if (hybridOnChangeCompression)
+						{
+							if (Time.timeAsDouble - lastSendTime > slowSendInterval || !lastSentBytes.SameAs(newBytes))
+							{
+								SendBytes(newBytes);
+							}
+						}
+						else
+						{
+							SendBytes(newBytes);
+						}
+
+						lastSendTime = Time.timeAsDouble;
+						lastSentBytes = newBytes;
 					}
 				}
 				catch (Exception e)
@@ -44,7 +68,7 @@ namespace VelNet
 		{
 			using MemoryStream mem = new MemoryStream(message);
 			using BinaryReader reader = new BinaryReader(mem);
-			
+
 			ReceiveState(reader);
 		}