fbxobject.h

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/****************************************************************************************
 
   Copyright (C) 2015 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.
 
****************************************************************************************/

#ifndef _FBXSDK_CORE_OBJECT_H_
#define _FBXSDK_CORE_OBJECT_H_

#include <fbxsdk/fbxsdk_def.h>

#include <fbxsdk/core/fbxclassid.h>
#include <fbxsdk/core/fbxquery.h>
#include <fbxsdk/core/fbxemitter.h>
#include <fbxsdk/core/fbxproperty.h>
#include <fbxsdk/core/fbxstream.h>
#include <fbxsdk/core/base/fbxstringlist.h>
#include <fbxsdk/utils/fbxnamehandler.h>

#include <fbxsdk/fbxsdk_nsbegin.h>

class FbxManager;
class FbxDocument;
class FbxImplementation;
class FbxImplementationFilter;
class FbxLibrary;
class FbxMessage;
class FbxPeripheral;
class FbxUserDataRecord;
class FbxConnectEvent;

#define FBXSDK_CLASS_DECLARE(Class, Parent)\
private:\
    Class(const Class&);\
    Class& operator=(const Class&);\
protected:\
    virtual ~Class(){};\
public:\
    static FbxClassId ClassId;\
    virtual FbxClassId GetClassId() const { return ClassId; }\
    friend class FBXSDK_NAMESPACE::FbxManager;\
    typedef Parent ParentClass;\
    static Class* Create(FbxManager* pManager, const char* pName);\

#define FBXSDK_FBXOBJECT_DECLARE(Class, Parent)\
    FBXSDK_CLASS_DECLARE(Class, Parent)\
    FBXSDK_FRIEND_NEW()\
    static Class* Create(FbxObject* pContainer, const char* pName);\
protected:\
    static Class* Allocate(FbxManager* pManager, const char* pName, const Class* pFrom);\

#define FBXSDK_OBJECT_DECLARE(Class, Parent)\
    FBXSDK_FBXOBJECT_DECLARE(Class, Parent)\
protected:\
    Class(FbxManager& pManager, const char* pName) : Parent(pManager, pName){};\
private: /* end of object declaration, put back private */\

#define FBXSDK_ABSTRACT_OBJECT_DECLARE(Class, Parent)\
    FBXSDK_CLASS_DECLARE(Class, Parent)\
protected:\
    static FbxObjectCreateProc Allocate;\
    Class(FbxManager& pManager, const char* pName) : Parent(pManager, pName){};\
private: /* end of object declaration, put back private */\

#define FBXSDK_OBJECT_IMPLEMENT(Class)\
    FbxClassId Class::ClassId;\
    Class* Class::Create(FbxManager* pManager, const char* pName)\
    {\
        return (Class*)pManager->CreateNewObjectFromClassId(Class::ClassId, pName);\
    }\
    Class* Class::Create(FbxObject* pContainer, const char* pName)\
    {\
        FBX_ASSERT_RETURN_VALUE(pContainer && pContainer->GetFbxManager(), NULL);\
        return (Class*)pContainer->GetFbxManager()->CreateNewObjectFromClassId(Class::ClassId, pName, pContainer);\
    }\
    Class* Class::Allocate(FbxManager* pManager, const char* pName, const Class* pFrom)\
    {\
        Class* lNewObject = FbxNew<Class>(*pManager, pName);\
        lNewObject->Construct(pFrom);\
        lNewObject->SetObjectFlags(FbxObject::eInitialized, true);\
        return lNewObject;\
    }\

#define FBXSDK_ABSTRACT_OBJECT_IMPLEMENT(Class)\
    FbxClassId Class::ClassId;\
    FbxObjectCreateProc Class::Allocate = 0;\
    Class* Class::Create(FbxManager* pManager, const char* pName)\
    {\
        return (Class*)pManager->CreateNewObjectFromClassId(Class::ClassId, pName);\
    }\


class FBXSDK_DLL FbxObject : public FbxEmitter
{
    FBXSDK_FBXOBJECT_DECLARE(FbxObject, FbxEmitter);

public:


        template <class T> inline bool Is() const { return GetClassId().Is(T::ClassId); }

        FbxManager* GetFbxManager() const;

        FbxDocument* GetDocument() const;

        FbxDocument* GetRootDocument() const;

        FbxScene* GetScene() const;

        void Destroy(bool pRecursive=false);

        void ResetProperties();


        enum EObjectFlag
        {
            eNone = 0,                   
            eInitialized = 1 << 0,       
            eSystem = 1 << 1,            
            eSavable = 1 << 2,           
            eSelected = 1 << 3,          
            eHidden = 1 << 4,            
            eContentLoaded = 1 << 5,     
            eDontLocalize = 1 << 6,      
            eCopyCalledByClone = 1 << 16 
        };

        void SetObjectFlags(EObjectFlag pFlags, bool pValue);

        bool GetObjectFlags(EObjectFlag pFlags) const;

        void SetAllObjectFlags(FbxUInt pFlags);

        FbxUInt GetAllObjectFlags() const;



        virtual FbxObject& Copy(const FbxObject& pObject);

        enum ECloneType
        {
            eDeepClone,     
            eReferenceClone 
        };

        virtual FbxObject* Clone(FbxObject::ECloneType pCloneType=eDeepClone, FbxObject* pContainer=NULL, void* pSet = NULL) const;

        bool IsAReferenceTo() const;

        FbxObject* GetReferenceTo() const;

        bool IsReferencedBy() const;

        int GetReferencedByCount() const;

        FbxObject* GetReferencedBy(int pIndex) const;

        void SetName(const char* pName);

        const char* GetName() const;

        FbxString GetNameWithoutNameSpacePrefix() const;

        FbxString GetNameWithNameSpacePrefix() const;

        void SetInitialName(const char* pName);

        const char* GetInitialName() const;

        FbxString GetNameSpaceOnly();

        void SetNameSpace(FbxString pNameSpace);

        FbxArray<FbxString*> GetNameSpaceArray(char identifier);

        FbxString GetNameOnly() const;

        FbxString GetNameSpacePrefix() const;

        static FbxString RemovePrefix(char* pName);

        static FbxString StripPrefix(FbxString& lName);

        static FbxString StripPrefix(const char* pName);

        const FbxUInt64& GetUniqueID() const;

        virtual bool GetSelected();

        virtual void SetSelected(bool pSelected);

        void SetUserDataPtr(const FbxUInt64& pUserID, void* pUserData);

        void* GetUserDataPtr(const FbxUInt64& pUserID) const;

        inline void SetUserDataPtr(void* pUserData){ SetUserDataPtr(GetUniqueID(), pUserData); }

        inline void* GetUserDataPtr() const { return GetUserDataPtr(GetUniqueID()); }

        inline bool ConnectSrcObject(FbxObject* pObject, FbxConnection::EType pType=FbxConnection::eNone) { return RootProperty.ConnectSrcObject(pObject,pType); }

        inline bool IsConnectedSrcObject(const FbxObject* pObject) const { return RootProperty.IsConnectedSrcObject(pObject); }

        inline bool DisconnectSrcObject(FbxObject* pObject){ return RootProperty.DisconnectSrcObject(pObject); }

        inline bool DisconnectAllSrcObject() { return RootProperty.DisconnectAllSrcObject(); }

        inline bool DisconnectAllSrcObject(const FbxCriteria& pCriteria) { return RootProperty.DisconnectAllSrcObject(pCriteria); }

        inline int GetSrcObjectCount() const { return RootProperty.GetSrcObjectCount(); }

        inline int GetSrcObjectCount(const FbxCriteria& pCriteria) const { return RootProperty.GetSrcObjectCount(pCriteria); }

        inline FbxObject* GetSrcObject(int pIndex=0) const { return RootProperty.GetSrcObject(pIndex); }

        inline FbxObject* GetSrcObject(const FbxCriteria& pCriteria, int pIndex=0) const { return RootProperty.GetSrcObject(pCriteria,pIndex); }

        inline FbxObject* FindSrcObject(const char* pName, int pStartIndex=0) const { return RootProperty.FindSrcObject(pName,pStartIndex); }

        inline FbxObject* FindSrcObject(const FbxCriteria& pCriteria, const char* pName, int pStartIndex=0) const { return RootProperty.FindSrcObject(pCriteria,pName,pStartIndex); }

        template <class T> inline bool DisconnectAllSrcObject() { return RootProperty.DisconnectAllSrcObject(FbxCriteria::ObjectType(T::ClassId)); }

        template <class T> inline bool DisconnectAllSrcObject(const FbxCriteria& pCriteria) { return RootProperty.DisconnectAllSrcObject(FbxCriteria::ObjectType(T::ClassId) && pCriteria); }

        template <class T> inline int GetSrcObjectCount() const { return RootProperty.GetSrcObjectCount(FbxCriteria::ObjectType(T::ClassId)); }

        template <class T> inline int GetSrcObjectCount(const FbxCriteria& pCriteria) const { return RootProperty.GetSrcObjectCount(FbxCriteria::ObjectType(T::ClassId) && pCriteria); }

        template <class T> inline T* GetSrcObject(int pIndex=0) const { return (T*)RootProperty.GetSrcObject(FbxCriteria::ObjectType(T::ClassId), pIndex); }

        template <class T> inline T* GetSrcObject(const FbxCriteria& pCriteria, int pIndex=0) const { return (T*)RootProperty.GetSrcObject(FbxCriteria::ObjectType(T::ClassId) && pCriteria, pIndex); }

        template <class T> inline T* FindSrcObject(const char* pName, int pStartIndex=0) const { return (T*)RootProperty.FindSrcObject(FbxCriteria::ObjectType(T::ClassId), pName, pStartIndex); }

        template <class T> inline T* FindSrcObject(const FbxCriteria& pCriteria, const char* pName, int pStartIndex=0) const { return (T*)RootProperty.FindSrcObject(FbxCriteria::ObjectType(T::ClassId) && pCriteria, pName, pStartIndex); }

        inline bool ConnectDstObject(FbxObject* pObject, FbxConnection::EType pType=FbxConnection::eNone) { return RootProperty.ConnectDstObject(pObject,pType); }

        inline bool IsConnectedDstObject(const FbxObject* pObject) const { return RootProperty.IsConnectedDstObject(pObject); }

        inline bool DisconnectDstObject(FbxObject* pObject) { return RootProperty.DisconnectDstObject(pObject); }

        inline bool DisconnectAllDstObject() { return RootProperty.DisconnectAllDstObject(); }

        inline bool DisconnectAllDstObject(const FbxCriteria& pCriteria) { return RootProperty.DisconnectAllDstObject(pCriteria); }

        inline int GetDstObjectCount() const { return RootProperty.GetDstObjectCount(); }

        inline int GetDstObjectCount(const FbxCriteria& pCriteria) const { return RootProperty.GetDstObjectCount(pCriteria); }

        inline FbxObject* GetDstObject(int pIndex=0) const { return RootProperty.GetDstObject(pIndex); }

        inline FbxObject* GetDstObject(const FbxCriteria& pCriteria, int pIndex=0) const { return RootProperty.GetDstObject(pCriteria,pIndex); }

        inline FbxObject* FindDstObject(const char* pName, int pStartIndex=0) const { return RootProperty.FindDstObject(pName,pStartIndex); }

        inline FbxObject* FindDstObject(const FbxCriteria& pCriteria, const char* pName, int pStartIndex=0) const { return RootProperty.FindDstObject(pCriteria,pName,pStartIndex); }

        template <class T> inline bool DisconnectAllDstObject() { return RootProperty.DisconnectAllDstObject(FbxCriteria::ObjectType(T::ClassId)); }

        template <class T> inline bool DisconnectAllDstObject(const FbxCriteria& pCriteria) { return RootProperty.DisconnectAllDstObject(FbxCriteria::ObjectType(T::ClassId) && pCriteria); }

        template <class T> inline int GetDstObjectCount() const { return RootProperty.GetDstObjectCount(FbxCriteria::ObjectType(T::ClassId)); }

        template <class T> inline int GetDstObjectCount(const FbxCriteria& pCriteria) const { return RootProperty.GetDstObjectCount(FbxCriteria::ObjectType(T::ClassId) && pCriteria); }

        template <class T> inline T* GetDstObject(int pIndex=0) const { return (T*)RootProperty.GetDstObject(FbxCriteria::ObjectType(T::ClassId), pIndex); }

        template <class T> inline T* GetDstObject(const FbxCriteria& pCriteria, int pIndex=0) const { return (T*)RootProperty.GetDstObject(FbxCriteria::ObjectType(T::ClassId) && pCriteria, pIndex); }

        template <class T> inline T* FindDstObject(const char* pName, int pStartIndex=0) const { return (T*)RootProperty.FindDstObject(FbxCriteria::ObjectType(T::ClassId), pName, pStartIndex); }

        template <class T> inline T* FindDstObject(const FbxCriteria& pCriteria, const char* pName, int pStartIndex=0) const { return (T*)RootProperty.FindDstObject(FbxCriteria::ObjectType(T::ClassId) && pCriteria, pName, pStartIndex); }

        inline FbxProperty GetFirstProperty() const
        {
            return RootProperty.GetFirstDescendent();
        }

        inline FbxProperty GetNextProperty(const FbxProperty& pProperty) const
        {
            return RootProperty.GetNextDescendent(pProperty);
        }

        inline FbxProperty FindProperty(const char* pName, bool pCaseSensitive = true) const
        {
            return RootProperty.Find(pName, pCaseSensitive );
        }

        inline FbxProperty FindProperty(const char* pName, const FbxDataType& pDataType, bool pCaseSensitive = true) const
        {
            return RootProperty.Find(pName, pDataType, pCaseSensitive );
        }

        inline FbxProperty FindPropertyHierarchical(const char* pName, bool pCaseSensitive = true) const
        {
            return RootProperty.FindHierarchical(pName, pCaseSensitive );
        }

        inline FbxProperty FindPropertyHierarchical(const char* pName, const FbxDataType& pDataType, bool pCaseSensitive = true) const
        {
            return RootProperty.FindHierarchical(pName, pDataType, pCaseSensitive );
        }

        FbxProperty GetClassRootProperty();

        inline bool ConnectSrcProperty(const FbxProperty& pProperty) { return RootProperty.ConnectSrcProperty(pProperty); }

        inline bool IsConnectedSrcProperty(const FbxProperty& pProperty) { return RootProperty.IsConnectedSrcProperty(pProperty); }

        inline bool DisconnectSrcProperty(const FbxProperty& pProperty) { return RootProperty.DisconnectSrcProperty(pProperty); }

        inline int GetSrcPropertyCount() const { return RootProperty.GetSrcPropertyCount(); }

        inline FbxProperty GetSrcProperty(int pIndex=0) const { return RootProperty.GetSrcProperty(pIndex); }

        inline FbxProperty FindSrcProperty(const char* pName,int pStartIndex=0) const { return RootProperty.FindSrcProperty(pName,pStartIndex); }

        inline bool ConnectDstProperty(const FbxProperty& pProperty) { return RootProperty.ConnectDstProperty(pProperty); }

        inline bool IsConnectedDstProperty(const FbxProperty& pProperty) { return RootProperty.IsConnectedDstProperty(pProperty); }

        inline bool DisconnectDstProperty(const FbxProperty& pProperty) { return RootProperty.DisconnectDstProperty(pProperty); }

        inline int GetDstPropertyCount() const { return RootProperty.GetDstPropertyCount(); }

        inline FbxProperty GetDstProperty(int pIndex=0) const { return RootProperty.GetDstProperty(pIndex); }

        inline FbxProperty FindDstProperty(const char* pName, int pStartIndex=0) const { return RootProperty.FindDstProperty(pName,pStartIndex); }

        int ContentUnload();

        int ContentLoad();

        bool ContentIsLoaded() const;

        void ContentDecrementLockCount();

        void ContentIncrementLockCount();

        bool ContentIsLocked() const;

        virtual bool ContentWriteTo(FbxStream& pStream) const;

        virtual bool ContentReadFrom(const FbxStream& pStream);

        void EmitMessage(FbxMessage* pMessage) const;

        virtual const char* Localize(const char* pID, const char* pDefault=NULL) const;

        FbxLibrary* GetParentLibrary() const;

        bool AddImplementation(FbxImplementation* pImplementation);

        bool RemoveImplementation(FbxImplementation* pImplementation);

        bool HasDefaultImplementation(void) const;

        FbxImplementation* GetDefaultImplementation(void) const;

        bool SetDefaultImplementation(FbxImplementation* pImplementation);

        int GetImplementationCount(const FbxImplementationFilter* pCriteria=NULL) const;

        FbxImplementation* GetImplementation(int pIndex, const FbxImplementationFilter* pCriteria=NULL) const;

        virtual FbxString GetUrl() const;

        virtual bool SetUrl(char* pUrl);

        void SetRuntimeClassId(const FbxClassId& pClassId);

        FbxClassId GetRuntimeClassId() const;

        bool IsRuntime(const FbxClassId& pClassId) const;

        bool IsRuntimePlug() const;

    virtual void Compact();

    FbxProperty RootProperty;

protected:
    virtual void Construct(const FbxObject* pFrom);

    virtual void ConstructProperties(bool pForceSet);

    virtual void Destruct(bool pRecursive);

    virtual void ContentClear();

    virtual FbxPeripheral* GetPeripheral();

/*****************************************************************************************************************************
** WARNING! Anything beyond these lines is for internal use, may not be documented and is subject to change without notice! **
*****************************************************************************************************************************/
#ifndef DOXYGEN_SHOULD_SKIP_THIS
public:
    virtual bool Compare(FbxObject* pOtherObject);

    //Basic comparison operator implementation. It simply compare property values between source and target.
    //NOTE: If a property cannot be found on one of the object, the comparison fails (return false).
    //Different classid will fail comparison as well as different property count. Reference properties are not compared.
    bool operator==(const FbxObject& pObject);
    bool operator!=(const FbxObject& pObject);

    virtual void                SetDocument(FbxDocument* pDocument);

    inline FbxPropertyHandle&   GetPropertyHandle() { return RootProperty.mPropertyHandle; }

    //Important note: If this function is not implemented, the pFileSubTypeName string used when registering your
    //class via FbxManager::RegisterFbxClass will be used instead. This makes it useless to re-implement this
    //function if you do not intend to return a different string for the same class.
    virtual const char*         GetTypeName() const;
    virtual FbxStringList       GetTypeFlags() const;

    // This function will go as deep as possible to clear the Connection list without sending 
    // notifications to the connections to give them the chance to Disconnect themselves. 
    // This is a bypass of the intended workflow and should be used with care.
    void WipeAllConnections();

    //Used as global flag to modify the behavior of FbxObject::Destruct() during a ForceKill() on the scene. This is for internal use.
    static void SetWipeMode(bool pState);
    static bool GetWipeMode();

protected:
    FbxObject(FbxManager& pManager, const char* pName);

    enum EPropertyNotifyType
    {
        ePropertySetRequest,
        ePropertySet,
        ePropertyGet
    };

    virtual bool        ConnectNotify(const FbxConnectEvent& pEvent);
    virtual bool        PropertyNotify(EPropertyNotifyType pType, FbxProperty& pProperty);
    bool                Copyable(const FbxObject& pObject);

private:
    void                CopyPropertiesFrom(const FbxObject& pFrom);
    void                SetClassRootProperty(FbxProperty& lProperty);
    int                 GetFlatPropertyCount() const;

    FbxNameHandler      mName;
    FbxClassId          mRuntimeClassId;
    FbxUserDataRecord*  mUserData;
    FbxManager*         mManager;
    FbxImplementation*  mDefaultImplementation;
    FbxUInt64           mUniqueID;
    FbxInt32            mObjectFlags;
    FbxInt32            mContentLockCount;
    FbxInt32            mUserDataCount;
    static bool         mWipeMode;

    friend class FbxProperty;
#endif /* !DOXYGEN_SHOULD_SKIP_THIS *****************************************************************************************/
};

template<typename FbxProperty> class FbxIterator
{
public:
    FbxIterator(const FbxObject* pObject) : mObject(pObject) {}

    inline const FbxProperty& GetFirst() { mProperty = mObject->GetFirstProperty(); return mProperty; }

    inline const FbxProperty& GetNext() { mProperty = mObject->GetNextProperty(mProperty); return mProperty; }

private:
    FbxProperty        mProperty;
    const FbxObject*   mObject;
};

class FbxIteratorSrcBase
{
public:
    inline FbxIteratorSrcBase(FbxProperty& pProperty,FbxClassId pClassId) :
        mProperty(pProperty),
        mClassId(pClassId),
        mSize(0),
        mIndex(-1)
    {
        ResetToBegin();
    }

    inline FbxIteratorSrcBase(FbxObject* pObject,FbxClassId pClassId) :
        mProperty(pObject->RootProperty),
        mClassId(pClassId),
        mSize(0),
        mIndex(-1)
    {
        ResetToBegin();
    }

    inline FbxObject* GetFirst()
    {
        ResetToBegin();
        return GetNext();
    }

    inline FbxObject* GetNext()
    {
        mIndex++;
        return ((mIndex>=0) && (mIndex<mSize)) ? mProperty.GetSrcObject(FbxCriteria::ObjectType(mClassId), mIndex) : NULL;
    }

    inline FbxObject* GetSafeNext()
    {
        mSize = mProperty.GetSrcObjectCount(FbxCriteria::ObjectType(mClassId));
        return GetNext();
    }

    inline FbxObject* GetLast()
    {
        ResetToEnd();
        return GetPrevious();
    }

    inline FbxObject* GetPrevious()
    {
        mIndex--;
        return ((mIndex>=0) && (mIndex<mSize)) ? mProperty.GetSrcObject(FbxCriteria::ObjectType(mClassId), mIndex) : NULL;
    }

    inline FbxObject* GetSafePrevious()
    {
        mSize = mProperty.GetSrcObjectCount(FbxCriteria::ObjectType(mClassId));
        while (mIndex>mSize) mIndex--;
        return GetPrevious();
    }

protected:
    inline void ResetToBegin()
    {
        mSize = mProperty.GetSrcObjectCount(FbxCriteria::ObjectType(mClassId));
        mIndex = -1;
    }

    inline void ResetToEnd()
    {
        mSize = mProperty.GetSrcObjectCount(FbxCriteria::ObjectType(mClassId));
        mIndex = mSize;
    }

    FbxProperty mProperty;  
    FbxClassId  mClassId;   
    int         mSize;      
    int         mIndex;     
};

template<class Type> class FbxIteratorSrc : protected FbxIteratorSrcBase
{
public:
    inline FbxIteratorSrc(FbxObject* pObject) : FbxIteratorSrcBase(pObject,Type::ClassId) {}
    
    inline FbxIteratorSrc(FbxProperty& pProperty) : FbxIteratorSrcBase(pProperty,Type::ClassId) {}

    inline Type* GetFirst()         { return (Type*)FbxIteratorSrcBase::GetFirst(); }
    
    inline Type* GetNext()          { return (Type*)FbxIteratorSrcBase::GetNext(); }
    
    inline Type* GetSafeNext()      { return (Type*)FbxIteratorSrcBase::GetSafeNext(); }
    
    inline Type* GetLast()          { return (Type*)FbxIteratorSrcBase::GetLast(); }
    
    
    inline Type* GetPrevious()      { return (Type*)FbxIteratorSrcBase::GetPrevious(); }
    
    inline Type* GetSafePrevious()  { return (Type*)FbxIteratorSrcBase::GetSafePrevious(); }
};

class FbxIteratorDstBase
{
protected:
    FbxProperty    mProperty;
    FbxClassId     mClassId;
    int             mSize;
    int             mIndex;

public:
    inline FbxIteratorDstBase(FbxProperty& pProperty,FbxClassId pClassId) :
        mProperty(pProperty),
        mClassId(pClassId),
        mSize(0),
        mIndex(-1)
    {
        ResetToBegin();
    }
    
    inline FbxIteratorDstBase(FbxObject* pObject,FbxClassId pClassId) :
        mProperty(pObject->RootProperty),
        mClassId(pClassId),
        mSize(0),
        mIndex(-1)
    {
        ResetToBegin();
    }

    inline FbxObject* GetFirst()
    {
        ResetToBegin();
        return GetNext();
    }

    inline FbxObject* GetNext()
    {
        mIndex++;
        return ((mIndex>=0) && (mIndex<mSize)) ? mProperty.GetDstObject(FbxCriteria::ObjectType(mClassId), mIndex) : NULL;
    }
    
    inline FbxObject* GetSafeNext()
    {
        mSize = mProperty.GetDstObjectCount(FbxCriteria::ObjectType(mClassId));
        return GetNext();
    }
    
    inline FbxObject* GetLast()
    {
        ResetToEnd();
        return GetPrevious();
    }
    
    inline FbxObject* GetPrevious()
    {
        mIndex--;
        return ((mIndex>=0) && (mIndex<mSize)) ? mProperty.GetDstObject(FbxCriteria::ObjectType(mClassId), mIndex) : NULL;
    }
    
    inline FbxObject* GetSafePrevious()
    {
        mSize = mProperty.GetDstObjectCount(FbxCriteria::ObjectType(mClassId));
        while (mIndex>mSize) mIndex--;
        return GetPrevious();
    }

protected:
    inline void ResetToBegin()
    {
        mSize = mProperty.GetDstObjectCount(FbxCriteria::ObjectType(mClassId));
        mIndex = -1;
    }
    
    inline void ResetToEnd()
    {
        mSize = mProperty.GetDstObjectCount(FbxCriteria::ObjectType(mClassId));
        mIndex = mSize;
    }
};

template<class Type> class FbxIteratorDst : protected FbxIteratorDstBase
{
public:
    inline FbxIteratorDst(FbxObject* pObject) : FbxIteratorDstBase(pObject,Type::ClassId) {}
    
    inline FbxIteratorDst(FbxProperty& pProperty) : FbxIteratorDstBase(pProperty,Type::ClassId) {}
    
    inline Type* GetFirst()         { return (Type*)FbxIteratorDstBase::GetFirst(); }
    
    inline Type* GetNext()          { return (Type*)FbxIteratorDstBase::GetNext(); }
    
    inline Type* GetSafeNext()      { return (Type*)FbxIteratorDstBase::GetSafeNext(); }
    
    inline Type* GetLast()          { return (Type*)FbxIteratorDstBase::GetLast(); }
    
    inline Type* GetPrevious()      { return (Type*)FbxIteratorDstBase::GetPrevious(); }
    
    inline Type* GetSafePrevious()  { return (Type*)FbxIteratorDstBase::GetSafePrevious(); }
};

#define FBX_TYPE(class) ((const class*)0)

template <class T> inline T* FbxCast(FbxObject* pObject)
{
    return pObject && pObject->Is<T>() ? (T*)pObject : 0;
}

template <class T> inline const T* FbxCast(const FbxObject* pObject)
{
    return pObject && pObject->Is<T>() ? (const T*)pObject : 0;
}

#define FbxForEach(Iterator, Object) for((Object)=(Iterator).GetFirst();(Object)!=0;(Object)=(Iterator).GetNext())

#define FbxForEachReverse(Iterator, Object) for(Object=(Iterator).GetLast();(Object)!=0;Object=(Iterator).GetPrevious())

/*****************************************************************************************************************************
** WARNING! Anything beyond these lines is for internal use, may not be documented and is subject to change without notice! **
*****************************************************************************************************************************/
#ifndef DOXYGEN_SHOULD_SKIP_THIS
class FBXSDK_DLL FbxConnectEvent
{
public:
    enum EType
    {
        eConnectRequest,
        eConnect,
        eConnected,
        eDisconnectRequest,
        eDisconnect,
        eDisconnected
    };

    enum EDirection
    {
        eSource,
        eDestination
    };

    inline FbxConnectEvent(EType pType,EDirection pDir,FbxProperty *pSrc,FbxProperty *pDst) :
        mType(pType),
        mDirection(pDir),
        mSrc(pSrc),
        mDst(pDst)
    {
    }
    inline EType GetType() const { return mType; }
    inline EDirection GetDirection() const { return mDirection; }
    inline FbxProperty& GetSrc() const { return *mSrc;  }
    inline FbxProperty& GetDst() const { return *mDst;  }
    template <class T> inline T* GetSrcIfObject() const { return mSrc->IsRoot() ? FbxCast<T>(mSrc->GetFbxObject()) : (T*)0; }
    template <class T> inline T* GetDstIfObject() const { return mDst->IsRoot() ? FbxCast<T>(mDst->GetFbxObject()) : (T*)0; }

private:
    EType           mType;
    EDirection      mDirection;
    FbxProperty*    mSrc;
    FbxProperty*    mDst;
};

class FbxObjectPropertyChanged : public FbxEvent<FbxObjectPropertyChanged>
{
    FBXSDK_EVENT_DECLARE(FbxObjectPropertyChanged);

public:
    FbxObjectPropertyChanged(FbxProperty pProp) : mProp(pProp) {}
    FbxProperty mProp;
};
#endif /* !DOXYGEN_SHOULD_SKIP_THIS *****************************************************************************************/

#include <fbxsdk/fbxsdk_nsend.h>

#endif /* _FBXSDK_CORE_OBJECT_H_ */