Restructure repository to include all source folders

Move git root from Client/ to src/ to track all source code:
- Client: Game client source (moved to Client/Client/)
- Server: Game server source
- GameTools: Development tools
- CryptoSource: Encryption utilities
- database: Database scripts
- Script: Game scripts
- rylCoder_16.02.2008_src: Legacy coder tools
- GMFont, Game: Additional resources

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

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

GameTools/NeoRylClient/GUIButtonManager.cpp

@@ -0,0 +1,60 @@
+// GUIButtonManager.cpp: implementation of the CGUIButtonManager class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "GUIButtonManager.h"
+
+CGUIButtonManager g_ButtonManager;
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CGUIButtonManager::CGUIButtonManager()
+{
+
+}
+
+CGUIButtonManager::~CGUIButtonManager()
+{
+	DestroyAllButton();
+}
+
+BOOL CGUIButtonManager::AddButton(CGUIButton *pButton)
+{
+	m_lstButton.push_back(pButton);
+
+	return TRUE;
+}
+
+void CGUIButtonManager::Update(void)
+{
+	vector<CGUIButton *>::iterator it;
+
+	for(it = m_lstButton.begin(); it != m_lstButton.end(); it++)
+	{
+		(*it)->Update();
+	}
+}
+
+void CGUIButtonManager::DestroyAllButton()
+{
+	vector<CGUIButton *>::iterator it;
+
+	for(it = m_lstButton.begin(); it != m_lstButton.end(); it++)
+	{
+		if((*it)) { delete (*it); (*it) = NULL; }
+	}
+
+	m_lstButton.clear();
+}
+
+void CGUIButtonManager::Render(LPDIRECT3DDEVICE8 lpD3DDevice, unsigned char cAlpha)
+{
+	vector<CGUIButton *>::iterator it;
+
+	for(it = m_lstButton.begin(); it != m_lstButton.end(); it++)
+	{
+		if((*it)->m_bShow) (*it)->Render(lpD3DDevice, cAlpha);
+	}
+}