Saul Rennison

//-----------------------------------------------------------------------------
// SourceHook
//-----------------------------------------------------------------------------
using namespace SourceHook;

Impl::CSourceHookImpl g_SourceHook;
ISourceHook *g_SHPtr = &g_SourceHook;
int g_PLID = 0;

SH_DECL_HOOK1_void(IBaseClientDLL, FrameStageNotify, SH_NOATTRIB, 0, ClientFrameStage_t);

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
bool CServerPlugin::Load( CreateInterfaceFn pfnEngineFactory, CreateInterfaceFn pfnGameFactory )
{
    ...

    CSysModule *pClientModule = g_pFullFileSystem->LoadModule("bin/client.dll", "MOD", false);
    if(!pClientModule)
    {
        Warning("Unable to find client DLL module (are you on a dedicated server?)\n");
        return false;
    }

    CreateInterfaceFn pfnClientFactory = Sys_GetFactory(pClientModule);
    if(!pfnClientFactory)
    {
        Warning("Unable to retrieve client factory\n");
        return false;
    }

    g_pClient = UTIL_LoadInterface<IBaseClientDLL>(pfnClientFactory, CLIENT_DLL_INTERFACE_VERSION, bSuccess);

    // Initialize hooks
    SH_ADD_HOOK(IBaseClientDLL, FrameStageNotify, g_pClient, SH_MEMBER(&s_ClientPlugin, &CClientPlugin::FrameStageNotify), true);
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CServerPlugin::Unload( void )
{
    ...

    // Remove hooks
    SH_REMOVE_HOOK(IBaseClientDLL, FrameStageNotify, g_pClient, SH_MEMBER(&s_ClientPlugin, &CClientPlugin::FrameStageNotify), true);
}

//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CClientPlugin::FrameStageNotify( ClientFrameStage_t curStage )
{
    // Do your code here
}