CWE-ou-minkata/Sources/Plasma/PubUtilLib/plMessage/plLoadCloneMsg.h

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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*==LICENSE==*/
#ifndef NO_AV_MSGS
#ifndef SERVER

#ifndef plLoadCloneMsgMsg_INC
#define plLoadCloneMsgMsg_INC


#include "pnMessage/plMessage.h"
// 
#include "pnKeyedObject/plUoid.h"

/** \class plLoadCloneMsg
    Tell the net client manager to allocate a new object based on copying an
    existing, statically keyed object.
    On the initiating machine, this will synthesize a new key and load the object.
    On the remote machines, it will use the (enclosed) new key and load the object.
    On both machines, the requestor will be notified after the object is loaded.
    */
class plLoadCloneMsg : public plMessage
{
public:
    /** Default constructor. only useful for sending over the network, prior
        to reading and writing. The clone message needs to synthesize its key
        to do anything, and this constructor doesn't do that, because it doesn't
        have enough information. */
    plLoadCloneMsg();

    /** Canonical constructor. If you're trying to initiate a clone, this is
        the one you want to use.
        These messages are *always* sent to the net client manager. You can't
        address them.
        After they are received on the remote machines, they are forwarded
        the remote versions of the requestor.

        \param uoidToClone - Specifies the template that will be cloned.
        \param requestorKey - The key of the object that is requesting the clone. It's
            strongly recommended that this be a local object, so that we don't get the same
            requestor creating multiple clones by starting the process on several machines.
        \param userData - Whatever you want. Will be propagated to the requestor after cloning.
                        
    */
    plLoadCloneMsg(const plUoid &uoidToClone, const plKey &requestorKey, uint32_t userData);

    /** This constructor form is for when you want to send a clone message based on
        an existing cloned object. The two primary uses of this are:
        - unload an existing clone
        - replicate a locally existing clone to other machines. You'll need
        to set up the network propagation parameters yourself.
        \param existing - The key to the clone you want to work on
        \param requestor - Will be notified when the (un)clone is processed)
        \param userData - Whatever you want. Will be propagated to the requestor.
        \param isLoading - Are we loading or unloading?
        */
    plLoadCloneMsg(const plKey &existing, const plKey &requestor, uint32_t userData, bool isLoading);

    virtual ~plLoadCloneMsg();

    CLASSNAME_REGISTER(plLoadCloneMsg);
    GETINTERFACE_ANY(plLoadCloneMsg, plMessage);

    // IO 
    void Read(hsStream* stream, hsResMgr* mgr);
    void Write(hsStream* stream, hsResMgr* mgr);

    void ReadVersion(hsStream* stream, hsResMgr* mgr);
    void WriteVersion(hsStream* stream, hsResMgr* mgr);
    
    plKey   GetCloneKey();
    plKey   GetRequestorKey();
    bool    IsValidMessage();
    uint32_t  GetUserData();
    uint32_t  GetOriginatingPlayerID();
    void    SetOriginatingPlayerID(uint32_t playerId);
    bool    GetIsLoading();
    void    SetTriggerMsg(plMessage *msg);
    plMessage *GetTriggerMsg();


protected:
    plKey   fCloneKey;              // the key that will be loaded
    plKey   fRequestorKey;          // forward the message to this guy after the clone is created
    bool    fValidMsg;              // only gets set if the message built successfully
    uint32_t  fUserData;              // let requestors send some data to their remote versions
    uint32_t  fOriginatingPlayerID;   // network / player id of the client initiating the request
    bool    fIsLoading;             // true if we're loading; false if we're unloading
    plMessage *fTriggerMsg;         // Handy place to store a message that caused you to request a clone,
                                    // so you can see it and continue processing once your clone is loaded.
};

#endif


#endif // ndef SERVER
#endif // ndef NO_AV_MSGS