[D3D] CSS nur mit D3D Hooking `?

bool WorldToScreen(const Vector &WorldLocation, float *fScreenX, float *fScreenY)
{
    Vector vLocal, vTransForm, vForward, vRight, vUpward;
 
    AngleVectors(viewangles,&vForward,&vRight,&vUpward);
    vLocal = WorldLocation - mypos;
 
    vTransForm.x = vLocal.dotproduct(vRight);
    vTransForm.y = vLocal.dotproduct(vUpward);
    vTransForm.z = vLocal.dotproduct(vForward);
 
    if(vTransForm.z < 0.01)
        return false;
 
    *fScreenX = screencenter[0] + (screencenter[0]/vTransForm.z * (1/fov[0])) * vTransForm.x;
    *fScreenY = screencenter[1] - (screencenter[1]/vTransForm.z * (1/fov[1])) * vTransForm.y;
 
    return true;
}