Silent's code

void CVisibilityPlugins__RenderAlphaAtomic(CLink<AlphaObjectInfo> *entry)
{
    bool zWriteEnable;
    bool vertexAlphaEnable;
    int alphaTestFunc;
    char alphaRef;

    char *nodeName;

    nodeName = GetFrameNodeName(entry->m_info.m_pAtomic->object.object.parent);

    if(!strncmp(v3, "moving_prop", 11))
    {
        // Store renderstates.
        RwRenderStateGet(rwRENDERSTATEZWRITEENABLE, &zWriteEnable);
        RwRenderStateGet(rwRENDERSTATEVERTEXALPHAENABLE, &vertexAlphaEnable);
        RwRenderStateGet(rwRENDERSTATEALPHATESTFUNCTION, &alphaTestFunc);
        RwRenderStateGet(rwRENDERSTATEALPHATESTFUNCTIONREF, &alphaRef);

        // Here is the trick.
        {
            //RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, false);
            RwRenderStateSet(rwRENDERSTATEALPHATESTFUNCTION, rwALPHATESTFUNCTIONEQUAL);
            RwRenderStateSet(rwRENDERSTATEALPHATESTFUNCTIONREF, 255);

            AtomicDefaultRenderCallBack(entry->m_info.m_pAtomic);
            //entry->m_info.m_pCallback(entry->m_info.m_pAtomic, entry->m_info.depth);

            RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, false);
            RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, true);
            RwRenderStateSet(rwRENDERSTATEALPHATESTFUNCTION, rwALPHATESTFUNCTIONLESS);

            AtomicDefaultRenderCallBack(entry->m_info.m_pAtomic);
            //entry->m_info.m_pCallback(entry->m_info.m_pAtomic, entry->m_info.depth);
        }

        // Restore renderstates.
        RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, zWriteEnable);
        RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, vertexAlphaEnable);
        RwRenderStateSet(rwRENDERSTATEALPHATESTFUNCTION, alphaTestFunc);
        RwRenderStateSet(rwRENDERSTATEALPHATESTFUNCTIONREF, alphaRef);
    }
    else if(!strncmp(v2, "static_prop", 11))
    {
        AtomicDefaultRenderCallBack(entry->m_info.m_pAtomic);
        //entry->m_info.m_pCallback(entry->m_info.m_pAtomic, entry->m_info.depth);
    }
    else
    {
        RwRenderStateGet(rwRENDERSTATEALPHATESTFUNCTIONREF, &alphaRef);

        RwRenderStateSet(rwRENDERSTATEALPHATESTFUNCTIONREF, 0);

        AtomicDefaultRenderCallBack(entry->m_info.m_pAtomic);
        //entry->m_info.m_pCallback(entry->m_info.m_pAtomic, entry->m_info.depth);

        RwRenderStateSet(rwRENDERSTATEALPHATESTFUNCTIONREF, alphaRef);
    }
}