添加项目文件。

csgo2/VTHook.h

@@ -0,0 +1,100 @@
+#pragma once
+#include "pch.h"
+class VTHook
+{
+public:
+	VTHook()
+	{
+		memset( this, 0, sizeof( VTHook) );
+	}
+
+	VTHook( PDWORD64* ppdwClassBase )
+	{
+		bInitialize( ppdwClassBase );
+	}
+
+	~VTHook()
+	{
+		UnHook();
+	}
+	void ClearClassBase()
+	{
+		m_ClassBase = NULL;
+	}
+	bool bInitialize( PDWORD64* ppdwClassBase )
+	{
+		m_ClassBase = ppdwClassBase;
+		m_OldVT = *ppdwClassBase;
+		m_VTSize = GetVTCount( *ppdwClassBase );
+		m_NewVT = new DWORD64[ m_VTSize ];
+		memcpy( m_NewVT, m_OldVT, sizeof( DWORD64) * m_VTSize );
+		*ppdwClassBase = m_NewVT;
+		return true;
+	}
+
+	bool bInitialize( PDWORD64** pppdwClassBase ) // fix for pp
+	{
+		return bInitialize( *pppdwClassBase );
+	}
+
+	void UnHook()
+	{
+		if( m_ClassBase )
+		{
+			*m_ClassBase = m_OldVT;
+		}
+	}
+
+	void ReHook()
+	{
+		if( m_ClassBase )
+		{
+			*m_ClassBase = m_NewVT;
+		}
+	}
+
+	int iGetFuncCount()
+	{
+		return ( int )m_VTSize;
+	}
+
+	DWORD64 GetFuncAddress( int Index )
+	{
+		if( Index >= 0 && Index <= ( int )m_VTSize && m_OldVT != NULL )
+		{
+			return m_OldVT[ Index ];
+		}
+		return NULL;
+	}
+
+	PDWORD64 GetOldVT()
+	{
+		return m_OldVT;
+	}
+
+	DWORD64 HookFunction( DWORD64 dwNewFunc, unsigned int iIndex )
+	{
+		if( m_NewVT && m_OldVT && iIndex <= m_VTSize && iIndex >= 0 )
+		{
+			m_NewVT[ iIndex ] = dwNewFunc;
+			return m_OldVT[ iIndex ];
+		}
+
+		return NULL;
+	}
+
+private:
+	DWORD64 GetVTCount( PDWORD64 pdwVMT )
+	{
+		DWORD64 dwIndex = 0;
+
+		while (IsBadCodePtr((FARPROC)pdwVMT[dwIndex]) == false) {
+			dwIndex++;
+		}
+		return dwIndex;
+	}
+
+	PDWORD64* m_ClassBase;
+	PDWORD64 m_NewVT, m_OldVT;
+	DWORD64 m_VTSize;
+};