ipipelineclient.h

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 /**********************************************************************
 
    FILE: IPipelineClient.h

    DESCRIPTION:  Geometry pipeline client API

    CREATED BY: Attila Szabo, Discreet

    HISTORY: [attilas|19.09.2000]


 *> Copyright (c) 1998-2000, All Rights Reserved.
 **********************************************************************/

#pragma once

#include "baseinterface.h"
#include "channels.h"   

// GUID that identifies this ifc (interface)
#define PIPELINECLIENT_INTERFACE Interface_ID(0x62383d51, 0x2d0f7d6a)

// This interface should be implemented by objects that flow up the 
// geometry pipeline and have data members that belong to the pipeline
// channels (geometry, topology, texmap, etc)
// ... in other words by objects that are part of the data flow evaluation 
// of the Max stack. 
class IPipelineClient : public BaseInterface
{
    public:
        // --- IPipelineClient methods
        virtual void    ShallowCopy( IPipelineClient* from, ChannelMask channels ) = 0;
        virtual void    DeepCopy( IPipelineClient* from, ChannelMask channels ) = 0;
        virtual void    NewAndCopyChannels( ChannelMask channels ) = 0;
        virtual void    FreeChannels( ChannelMask channels, int zeroOthers = 1 ) = 0;
        virtual void    ZeroChannels( ChannelMask channels ) = 0;
        virtual void    AppendAllChannels( IPipelineClient* from ) = 0;

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