void CalcScreenCoords(D3DXVECTOR3 *vecWorld, D3DXVECTOR3 *vecScreen)
{
    /** C++-ifyed function 0x71DA00, formerly called by CHudSA::CalcScreenCoors **/
    // Get the static view matrix as D3DXMATRIX
    D3DXMATRIX  m((float *)(0xB6FA2C));

    // Get the static virtual screen (x,y)-sizes
    DWORD       *dwLenX = (DWORD *)(0xC17044);
    DWORD       *dwLenY = (DWORD *)(0xC17048);

    //DWORD *dwLenZ = (DWORD*)(0xC1704C);
    //double aspectRatio = (*dwLenX) / (*dwLenY);
    // Do a transformation
    vecScreen->x = (vecWorld->z * m._31) + (vecWorld->y * m._21) + (vecWorld->x * m._11) + m._41;
    vecScreen->y = (vecWorld->z * m._32) + (vecWorld->y * m._22) + (vecWorld->x * m._12) + m._42;
    vecScreen->z = (vecWorld->z * m._33) + (vecWorld->y * m._23) + (vecWorld->x * m._13) + m._43;

    // Get the correct screen coordinates
    double  fRecip = (double)1.0 / vecScreen->z;    //(vecScreen->z - (*dwLenZ));
    vecScreen->x *= abs((float)(fRecip * (*dwLenX)));
    vecScreen->y *= abs((float)(fRecip * (*dwLenY)));
}