IObjectDisplay.h

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//
// Copyright 2010 Autodesk, Inc.  All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which 
// otherwise accompanies this software in either electronic or hard copy form.   
//
//

#pragma once

#include "./Types.h"
#include "./MaterialRequiredStreams.h"
#include "./RenderItemHandle.h"

#include "../BaseInterface.h"

#define IOBJECT_DISPLAY_INTERFACE_ID Interface_ID(0x39820fa0, 0x6311340d)

namespace MaxSDK { namespace Graphics {

class IObjectDisplay : public BaseInterface
{
public:
    IObjectDisplay() {}
    virtual ~IObjectDisplay() {}

    virtual bool RequiresSupportForLegacyDisplayMode() const = 0;

    virtual bool UpdateDisplay(
        unsigned long renderItemCategories, 
        const MaterialRequiredStreams& materialRequiredStreams, 
        TimeValue t) = 0;

    virtual const RenderItemHandleArray& GetRenderItems() const = 0;

    // from BaseInterface
    virtual Interface_ID GetID() {
        return IOBJECT_DISPLAY_INTERFACE_ID;
    }

    virtual BaseInterface* GetInterface(Interface_ID id) {
        if (id == IOBJECT_DISPLAY_INTERFACE_ID) {
            return this;
        }

        return BaseInterface::GetInterface(id);
    }

    // internally used only
    void SetDirtyFlag(unsigned long flags) {
        mFlags = flags;
    }

    unsigned long GetDirtyFlag() const {
        return mFlags;
    }

private:
    unsigned long mFlags;
};

} } // end namespace