//========= Copyright Valve Corporation, All rights reserved. ============//
//
// The copyright to the contents herein is the property of Valve, L.L.C.
// The contents may be used and/or copied only with the written permission of
// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
// the agreement/contract under which the contents have been supplied.
//
// $Header: $
// $NoKeywords: $
//
// The application object for apps that use tier2
//=============================================================================

#ifndef TIER2APP_H
#define TIER2APP_H

#ifdef _WIN32
#pragma once
#endif

#include "appframework/AppFramework.h"
#include "tier1/convar.h"
#include "tier2/tier2dm.h"

//-----------------------------------------------------------------------------
// The application object for apps that use tier2
//-----------------------------------------------------------------------------
class CTier2SteamApp : public CSteamAppSystemGroup {
    typedef CSteamAppSystemGroup BaseClass;

   public:
    // Methods of IApplication
    virtual bool PreInit() {
        CreateInterfaceFn factory = GetFactory();
        ConnectTier1Libraries(&factory, 1);
        ConVar_Register(0);
        ConnectTier2Libraries(&factory, 1);
        return true;
    }

    virtual void PostShutdown() {
        DisconnectTier2Libraries();
        ConVar_Unregister();
        DisconnectTier1Libraries();
    }
};

//-----------------------------------------------------------------------------
// The application object for apps that use tier2 and datamodel
//-----------------------------------------------------------------------------
class CTier2DmSteamApp : public CTier2SteamApp {
    typedef CTier2SteamApp BaseClass;

   public:
    // Methods of IApplication
    virtual bool PreInit() {
        if (!BaseClass::PreInit()) return false;

        CreateInterfaceFn factory = GetFactory();
        if (!ConnectDataModel(factory)) return false;

        InitReturnVal_t nRetVal = InitDataModel();
        return (nRetVal == INIT_OK);
    }

    virtual void PostShutdown() {
        ShutdownDataModel();
        DisconnectDataModel();
        BaseClass::PostShutdown();
    }
};

#endif  // TIER2APP_H