Give players an inventory and send it to clients

This also gives the player a stack of stone to play with on login, but
that's a temporary change.

TrueCraft.API/Networking/IRemoteClient.cs

@@ -1,6 +1,7 @@
 using System;
 using TrueCraft.API.World;
 using TrueCraft.API.Entities;
+using TrueCraft.API.Windows;
 
 namespace TrueCraft.API.Networking
 {
@@ -10,6 +11,7 @@ namespace TrueCraft.API.Networking
         bool DataAvailable { get; }
         IWorld World { get; }
         IEntity Entity { get; }
+        IWindow Inventory { get; }
 
         void QueuePacket(IPacket packet);
     }

TrueCraft.Core/Networking/Packets/WindowItemsPacket.cs

@@ -11,6 +11,12 @@ namespace TrueCraft.Core.Networking.Packets
     {
         public byte ID { get { return 0x68; } }
 
+        public WindowItemsPacket(sbyte windowID, ItemStack[] items)
+        {
+            WindowID = windowID;
+            Items = items;
+        }
+
         public sbyte WindowID;
         public ItemStack[] Items;
 

TrueCraft/Handlers/LoginHandlers.cs

@@ -38,6 +38,7 @@ namespace TrueCraft.Handlers
                 client.QueuePacket(new LoginResponsePacket(0, 0, Dimension.Overworld));
                 client.ChunkRadius = 2;
                 client.UpdateChunks();
+                client.QueuePacket(new WindowItemsPacket(0, client.Inventory.GetSlots()));
                 client.QueuePacket(new SpawnPositionPacket(0, 16, 0));
                 client.QueuePacket(new SetPlayerPositionPacket(0, 16, 17, 0, 0, 0, true));
                 server.Scheduler.ScheduleEvent(DateTime.Now.AddSeconds(10), client.SendKeepAlive);

TrueCraft/RemoteClient.cs

@@ -12,6 +12,8 @@ using System.Linq;
 using TrueCraft.Core.Networking.Packets;
 using TrueCraft.Core.World;
 using Ionic.Zlib;
+using TrueCraft.API.Windows;
+using TrueCraft.Core.Windows;
 
 namespace TrueCraft
 {
@@ -24,6 +26,8 @@ namespace TrueCraft
             PacketQueue = new ConcurrentQueue<IPacket>();
             LoadedChunks = new List<Coordinates2D>();
             Server = server;
+            Inventory = new InventoryWindow();
+            InventoryWindow.Hotbar[0] = new ItemStack(1, 64);
         }
         
         public NetworkStream NetworkStream { get; set; }
@@ -34,6 +38,15 @@ namespace TrueCraft
         public IMultiplayerServer Server { get; set; }
         public IWorld World { get; internal set; }
         public IEntity Entity { get; internal set; }
+        public IWindow Inventory { get; private set; }
+
+        public InventoryWindow InventoryWindow
+        {
+            get
+            {
+                return Inventory as InventoryWindow;
+            }
+        }
 
         internal int ChunkRadius { get; set; }
         internal IList<Coordinates2D> LoadedChunks { get; set; }