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/ZALLA3D BASECLASS/DeviceInputError.h

@@ -0,0 +1,35 @@
+// DeviceInputError.h: interface for the CDeviceInputError class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(AFX_DEVICEINPUTERROR_H__1F661071_76D1_4712_8943_137EA762B1DD__INCLUDED_)
+#define AFX_DEVICEINPUTERROR_H__1F661071_76D1_4712_8943_137EA762B1DD__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+
+#include "Error.h"
+
+
+class CDeviceInputError  : public CError
+{
+public:
+	CDeviceInputError();
+	CDeviceInputError(char *msg)
+	{
+		SetErrorMsg(msg);
+	}
+	char *GetErrorMsg()
+	{
+		char msgtemp[MAX_ERRORBUFFER];
+		strcpy(msgtemp,"Device Input Error:");
+		strcat(msgtemp,m_strErrormsg);
+		strcpy(m_strErrormsg,msgtemp);
+		return m_strErrormsg;
+	};
+	virtual ~CDeviceInputError();
+
+};
+
+#endif // !defined(AFX_DEVICEINPUTERROR_H__1F661071_76D1_4712_8943_137EA762B1DD__INCLUDED_)