Added singleton-like pattern to NetworkManager.

Removed numerous parameters from interfaces.

INetState.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RedGrin
+{
+    public interface INetState
+    {
+    }
+}

INetworkArena.cs

@@ -22,7 +22,7 @@ public interface INetworkArena
         /// <param name="entityId">The unique ID of the entity to create</param>
         /// <param name="entityData">The initial state of the created entity</param>
         /// <returns>The created INetworkEntity, which will be tracked by the NetworkManager</returns>
-        INetworkEntity RequestCreateEntity(long ownerId, long entityId, object entityData);
+        INetworkEntity RequestCreateEntity(object entityData);
 
         /// <summary>
         /// Called by the network manager when a message is received to destroy an entity.

INetworkEntity.cs

@@ -44,6 +44,6 @@ public interface INetworkEntity
         /// <param name="entityState">A generic object describing an entity state </param>
         /// <param name="stateTime">The time this state was received, compare to current network time to understand elapsed time</param>
         /// <param name="isReckoningState">Whether or not this is a dead reckoning update</param>
-        void UpdateState(object entityState, double stateTime, bool isReckoningState = false);
+        void UpdateState(object entityState, double stateTime);
     }
 }

NetworkManager.cs

@@ -17,6 +17,19 @@ public class NetworkManager
         public event NetworkEvent Connected;
         public event NetworkEvent Disconnected;
 
+        static NetworkManager self;
+        public static NetworkManager Self
+        {
+            get
+            {
+                if(self == null)
+                {
+                    throw new InvalidOperationException("NetworkManager must first be constructed in a class such as Game1");
+                }
+                return self;
+            }
+        }
+
         /// <summary>
         /// The seconds the last update happened.
         /// </summary>
@@ -155,6 +168,7 @@ public INetworkArena GameArena
         /// <param name="log">An ILogger to write messages to</param>
         public NetworkManager(NetworkConfiguration config, ILogger log = null)
         {
+            self = this;
             Configuration = config;
             // if no logger was provided, use NullLogger
             mLog = log ?? new NullLogger();
@@ -421,7 +435,7 @@ private void CreateEntity(long ownerId, long entityId, object payload, double ti
 
             if(targetEntity == null)
             {
-                targetEntity = GameArena.RequestCreateEntity(ownerId, entityId, payload);
+                targetEntity = GameArena.RequestCreateEntity(payload);
             }
             else
             {
@@ -430,9 +444,9 @@ private void CreateEntity(long ownerId, long entityId, object payload, double ti
                 throw new RedGrinException(msg);
             }
 
+            targetEntity.UpdateState(payload, time);
             targetEntity.OwnerId = ownerId;
             targetEntity.EntityId = entityId;
-            targetEntity.UpdateState(payload, time);
             mEntities.Add(targetEntity);
 
             BroadcastIfServer(entityId, ownerId, payload, NetworkMessageType.Create);
@@ -472,7 +486,10 @@ private void UpdateEntity(long entityId, long ownerId, object payload, bool isRe
             // ignore if null, entity creation message may not have arrived
             if(targetEntity != null)
             {
-                targetEntity.UpdateState(payload, time, isReckoning);
+                if(targetEntity.OwnerId != this.NetworkId || isReckoning)
+                {
+                    targetEntity.UpdateState(payload, time);
+                }
 
                 BroadcastIfServer(entityId, targetEntity.OwnerId, payload,
                     isReckoning ? 
@@ -605,6 +622,19 @@ private void SendDataMessage(INetworkEntity entity, NetworkMessageType action, N
             SendDataMessage(entity.EntityId, entity.OwnerId, payload, action, recipient);
         }
 
+        public string GetLocalIpAddress()
+        {
+            var host = Dns.GetHostEntry(Dns.GetHostName());
+            foreach (var ip in host.AddressList)
+            {
+                if (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
+                {
+                    return ip.ToString();
+                }
+            }
+            return null;
+        }
+
         /// <summary>
         /// Composes and sends a data message.
         /// </summary>

RedGrin.csproj

@@ -66,6 +66,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="INetState.cs" />
     <Compile Include="RedGrinException.cs" />
     <Compile Include="INetworkArena.cs" />
     <Compile Include="Logging\ILogger.cs" />