Initial commit: ROW Client source code

Game client codebase including:
- CharacterActionControl: Character and creature management
- GlobalScript: Network, items, skills, quests, utilities
- RYLClient: Main client application with GUI and event handlers
- Engine: 3D rendering engine (RYLGL)
- MemoryManager: Custom memory allocation
- Library: Third-party dependencies (DirectX, boost, etc.)
- Tools: Development utilities

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Library/dxx8/samples/Multimedia/VBSamples/DirectPlay/SimpleClient/modDplayClient.bas

@@ -0,0 +1,39 @@
+Attribute VB_Name = "modDplayClient"
+Option Explicit
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+'
+'  Copyright (C) 1999-2001 Microsoft Corporation.  All Rights Reserved.
+'
+'  File:       modDPlayClient.bas
+'
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Public Const AppGuid = "{5726CF1F-702B-4008-98BC-BF9C95F9E288}"
+
+Public dx As New DirectX8
+Public dpc As DirectPlay8Client
+
+Public DPlayEventsForm As DPlayConnect
+
+Public Sub Main()
+    InitDPlay
+    frmClient.Show
+End Sub
+
+Public Sub InitDPlay()
+    Set dpc = dx.DirectPlayClientCreate
+End Sub
+
+Public Sub Cleanup()
+
+    'Stop our message handler
+    If Not dpc Is Nothing Then dpc.UnRegisterMessageHandler
+    'Close down our session
+    If Not dpc Is Nothing Then dpc.Close
+    Set dpc = Nothing
+    Set dx = Nothing
+    'Get rid of our message pump
+    DPlayEventsForm.GoUnload
+    
+End Sub
+