Detailed Description

The ActionDelta object tracks changes made on a parameter that is part of a reference model. Every ActionDelta contains one or more ActionDeltaItem objects, each of which represents a single change, or modification, to a referenced parameter. Each ActionDelta object has a specific type (see siModificationDeltaType) and each ActionDeltaItem it contains is of the same type.

ActionDeltas are stored in the Delta and are accessible via Delta::GetActionDeltas. To add a new ActionDelta to an existing Delta object, use Delta::AddAction.

Since:: 6.0

Example:

Illustrates how to print some info about an ActionDelta

        using namespace XSI;
        Application app;

        // NewScene command
        CValueArray cargs; CValue oarg;
        cargs.Add( L"" ); cargs.Add( false );
        app.ExecuteCommand( L"NewScene", cargs, oarg );
        cargs.Clear();

        //Add cube geometry and create the reference model
        Model root = app.GetActiveSceneRoot();
        X3DObject myCube, myCone;
        root.AddGeometry( L"Cube", L"MeshSurface",L"",myCube);

        // CreateModelAndConvertToRef command
        CString strFactPath = app.GetInstallationPath(siProjectPath) ;
            strFactPath += L"/Models/MyModel.emdl";
        cargs.Add( myCube.GetFullName() ); cargs.Add( strFactPath );
        app.ExecuteCommand( L"CreateModelAndConvertToRef", cargs, oarg );
        cargs.Clear();

        Delta myDelta;

        // AddDelta command
        cargs.Add( L"Model" );
        app.ExecuteCommand( L"AddDelta", cargs, oarg );
        cargs.Clear();
        myDelta = oarg;

        // Translate command
        cargs.Add(myCube.GetFullName()); cargs.Add(2.0); cargs.Add(1.3); cargs.Add(0.0);
        cargs.Add(L"siRelative"); cargs.Add(L"siView"); cargs.Add(L"siObj"); cargs.Add(L"siXYZ");
        app.ExecuteCommand( L"Translate", cargs, oarg );
        cargs.Clear();

        CRefArray ActionDeltas = myDelta.GetActionDeltas();
        for ( LONG i=0; i<ActionDeltas.GetCount(); ++i ) {

            ActionDelta item = ActionDeltas[i];

            // Print info about the current ActionDelta
            Application().LogMessage(L"ActionSourceItem[" + CValue(i).GetAsText() + L"]");
            Application().LogMessage(L"Name: " + item.GetName());
            Application().LogMessage(L"Type: " + item.GetType());

        }

#include <xsi_actiondelta.h>

Inheritance diagram for ActionDelta:

[legend]

List of all members.

Public Member Functions
	ActionDelta ()
	~ActionDelta ()
	ActionDelta (const CRef &in_ref)
	ActionDelta (const ActionDelta &in_obj)
bool	IsA (siClassID in_ClassID) const
siClassID	GetClassID () const
ActionDelta &	operator= (const ActionDelta &in_obj)
ActionDelta &	operator= (const CRef &in_ref)
ActionDeltaItem	AddFCurveItem (const CString &in_Target, const CDoubleArray &in_KeyValueArray, siFCurveInterpolation in_Interpolation=siCubicInterpolation, siFCurveType in_Type=siStandardFCurve, siFCurveExtrapolation in_Extrapolation=siConstantExtrapolation)
CRefArray	AddConstraintItem (const CString &in_preset, const CRefArray &in_cnsned, const CRefArray &in_cnsning, bool in_bComp, const MATH::CVector3 &in_offsetCnsned, const MATH::CVector3 &in_offsetCnsning)
ActionDeltaItem	AddStaticValueItem (const CString &in_Target, double in_Value)
ActionDeltaItem	AddExpressionItem (const CString &in_Target, const CString &in_Expression)
CString	GetName () const
CString	GetType () const
CStatus	RemoveItem (const CString &in_target)
CStatus	RemoveAllItems ()
CRefArray	GetItems () const

Constructor & Destructor Documentation

ActionDelta ( )

Default constructor.

~ActionDelta ( )

Default destructor.

ActionDelta ( const CRef & in_ref )

Constructor.

Parameters:

in_ref constant reference object.

ActionDelta ( const ActionDelta & in_obj )

Copy constructor.

Parameters:

in_obj constant class object.

Member Function Documentation

bool IsA ( siClassID in_ClassID ) const [virtual]

Returns true if a given class type is compatible with this API class.

Parameters:

in_ClassID class type.

Returns:: true if the class is compatible, false otherwise.

Reimplemented from SIObject.

siClassID GetClassID ( ) const [virtual]

Returns the type of the API class.

Returns:: The class type.

Reimplemented from SIObject.

ActionDelta& operator= ( const ActionDelta & in_obj )

Creates an object from another object. The newly created object is set to empty if the input object is not compatible.

Parameters:

in_obj constant class object.

Returns:: The new ActionDelta object.

ActionDelta& operator= ( const CRef & in_ref )

Creates an object from a reference object. The newly created object is set to empty if the input reference object is not compatible.

Parameters:

in_ref constant class object.

Returns:: The new ActionDelta object.

Reimplemented from SIObject.

ActionDeltaItem AddFCurveItem	(	const CString &	in_Target,
		const CDoubleArray &	in_KeyValueArray,
		siFCurveInterpolation	in_Interpolation = `siCubicInterpolation`,
		siFCurveType	in_Type = `siStandardFCurve`,
		siFCurveExtrapolation	in_Extrapolation = `siConstantExtrapolation`
	)

Adds a new ActionDeltaItem of type ::siModificationDeltaFCurves to an ActionDelta created with Delta::AddAction.

The ActionDelta should be of type ::siModificationDeltaFCurves to use this function (see siModificationDeltaType for a list of ActionDelta types).

Parameters:

in_Target	Target path for source item
in_KeyValueArray	An array containing 6 values per key for FCurve objects of interpolation type siCubicInterpolation (see siFCurveInterpolation) and 2 values per keys for the other FCurve interpolation types. The first value is the key time (in frames) and the second is the key value (in value units). For Cubic (or bezier) FCurves the remaining 4 values are the tangency values for: lefttanx (in frames), lefttany (in value units), righttanx (in frames), and righttany (in value units).
in_Interpolation	The interpolation of the FCurve (default siCubicInterpolation).
in_Type	The type of the FCurve (siStandardFCurve).
in_Extrapolation	The extrapolation of the FCurve (default siConstantExtrapolation).

Returns:: The new ActionDeltaItem

Example:

Illustrates how to add an ActionDeltaItem of type siModificationDeltaFCurves to a ActionDelta.

        using namespace XSI;
        Application app;

        // NewScene command
        CValueArray cargs; CValue oarg;
        cargs.Add( L"" ); cargs.Add( false );
        app.ExecuteCommand( L"NewScene", cargs, oarg );
        cargs.Clear();

        //Add cube geometry and create the reference model
        Model root = app.GetActiveSceneRoot();
        X3DObject myCube;
        root.AddGeometry( L"Cube", L"MeshSurface",L"",myCube);

        // CreateModelAndConvertToRef command
        CString strFactPath = app.GetInstallationPath(siProjectPath) ;
            strFactPath += L"/Models/MyModel.emdl";
        cargs.Add( myCube.GetFullName() ); cargs.Add( strFactPath );
        app.ExecuteCommand( L"CreateModelAndConvertToRef", cargs, oarg );
        cargs.Clear();

        Delta myDelta;

        // AddDelta command
        cargs.Add( L"Model" );
        app.ExecuteCommand( L"AddDelta", cargs, oarg );
        cargs.Clear();
        myDelta = oarg;

        // Add an action of type siModificationDeltaFCurve
        ActionDelta myDeltaAction = myDelta.AddAction(siModificationDeltaFCurve);

        // Set the array
        CDoubleArray keys(12);
        keys[0] = 1.0; keys[1] = 5.0; keys[2] = 0.0; keys[3] = 0.0; keys[4] = 0.0; keys[5] = 0.0;
        keys[6] = 100.0; keys[7] = 8.0; keys[8] = 0.0; keys[9] = 0.0; keys[10] = 0.0; keys[11] = 0.0;

        // Add the fcurve item
        ActionDeltaItem myActionDeltaItem = myDeltaAction.AddFCurveItem ( myCube.GetFullName() + L".kine.global.posx", keys );

        // Apply modification
        myDelta.Apply();

CRefArray AddConstraintItem	(	const CString &	in_preset,
		const CRefArray &	in_cnsned,
		const CRefArray &	in_cnsning,
		bool	in_bComp,
		const MATH::CVector3 &	in_offsetCnsned,
		const MATH::CVector3 &	in_offsetCnsning
	)

Adds a new ActionDeltaItem of type siModificationDeltaConstraint to an ActionDelta created with Delta::AddAction.

The ActionDelta should be of type siModificationDeltaConstraint to use this function (see siModificationDeltaType for a list of ActionDelta types).

Parameters:

in_preset	The type of constraint to add.
in_cnsned	An array of references to X3DObject elements that will be constrained (see Constraint::GetConstrained).
in_cnsning	An array of references to X3DObject elements that will act as constrainers (see Constraint::GetConstraining).
in_bComp	Compensation mode: true to turn compensation on.
in_offsetCnsned	Optional offset which is applied in translation on the constrained object. The offset is used for Distance and Position constraints.
in_offsetCnsning	Optional offset applied on the constraining object for Distance, Position, Surface and Trajectory constraints. The offset will be applied in rotation for the Orientation constraint, in translation for the Direction constraint and in scaling for the Scaling constraint.

Returns:: An array of references to the new ActionDeltaItems (one for each parameter now being driven by the constraint)

Example:

Illustrates how to add an ActionDeltaItem of type siModificationDeltaConstraint to a ActionDelta.

        using namespace XSI;
        Application app;

        // NewScene command
        CValueArray cargs; CValue oarg;
        cargs.Add( L"" ); cargs.Add( false );
        app.ExecuteCommand( L"NewScene", cargs, oarg );
        cargs.Clear();

        //Add cube geometry and create the reference model
        Model root = app.GetActiveSceneRoot();
        X3DObject myCube;
        root.AddGeometry( L"Cube", L"MeshSurface",L"",myCube);

        // CreateModelAndConvertToRef command
        CString strFactPath = app.GetInstallationPath(siProjectPath) ;
            strFactPath += L"/Models/MyModel.emdl";
        cargs.Add( myCube.GetFullName() ); cargs.Add( strFactPath );
        app.ExecuteCommand( L"CreateModelAndConvertToRef", cargs, oarg );
        cargs.Clear();

        X3DObject myCone;
        root.AddGeometry( L"Cone", L"MeshSurface",L"",myCone);

        // Translate command
        cargs.Add(myCone.GetFullName()); cargs.Add(2.0); cargs.Add(1.3); cargs.Add(0.0);
        cargs.Add(L"siRelative"); cargs.Add(L"siView"); cargs.Add(L"siObj"); cargs.Add(L"siXYZ");
        app.ExecuteCommand( L"Translate", cargs, oarg );
        cargs.Clear();

        Delta myDelta;
        // AddDelta command
        cargs.Add( L"Model" );
        app.ExecuteCommand( L"AddDelta", cargs, oarg );
        cargs.Clear();
        myDelta = oarg;

        // Add an action of type siModificationDeltaConstraint
        ActionDelta myDeltaAction = myDelta.AddAction(siModificationDeltaConstraint);

        CRefArray constraineds(1);
        constraineds[0] = myCube;

        CRefArray constrainings(1);
        constrainings[0] = myCone;

        // Add the constraint item
        CRefArray myActionDeltaItems = myDeltaAction.AddConstraintItem ( L"Position",
            constraineds, constrainings, false, MATH::CVector3(), MATH::CVector3());

        // Apply modification
        myDelta.Apply();

ActionDeltaItem AddStaticValueItem	(	const CString &	in_Target,
		double	in_Value
	)

Adds a new ActionDeltaItem of type siModificationDeltaStaticValue to an ActionDelta created with Delta::AddAction.

The ActionDelta should be of type siModificationDeltaStaticValue to use this function (see siModificationDeltaType for a list of ActionDelta types).

Parameters:

in_Target	Target path for source item
in_Value	The value of the static value

Returns:: The new ActionDeltaItem object

Example:

Illustrates how to add an ActionDeltaItem of type siModificationDeltaStaticValue to a ActionDelta.

        using namespace XSI;
        Application app;

        // NewScene command
        CValueArray cargs; CValue oarg;
        cargs.Add( L"" ); cargs.Add( false );
        app.ExecuteCommand( L"NewScene", cargs, oarg );
        cargs.Clear();

        //Add cube geometry and create the reference model
        Model root = app.GetActiveSceneRoot();
        X3DObject myCube;
        root.AddGeometry( L"Cube", L"MeshSurface",L"",myCube);

        // CreateModelAndConvertToRef command
        CString strFactPath = app.GetInstallationPath(siProjectPath) ;
            strFactPath += L"/Models/MyModel.emdl";
        cargs.Add( myCube.GetFullName() ); cargs.Add( strFactPath );
        app.ExecuteCommand( L"CreateModelAndConvertToRef", cargs, oarg );
        cargs.Clear();

        Delta myDelta;

        // AddDelta command
        cargs.Add( L"Model" );
        app.ExecuteCommand( L"AddDelta", cargs, oarg );
        cargs.Clear();
        myDelta = oarg;

        // Add an action of type siModificationDeltaStaticValue
        ActionDelta myDeltaAction = myDelta.AddAction(siModificationDeltaStaticValue);

        // Add the Static value item
        ActionDeltaItem myActionDeltaItem = myDeltaAction.AddStaticValueItem ( myCube.GetFullName()
                + L".kine.global.posx",  10.0);

        // Apply modification
        myDelta.Apply();

ActionDeltaItem AddExpressionItem	(	const CString &	in_Target,
		const CString &	in_Expression
	)

Adds a new ActionDeltaItem of type siModificationDeltaExpression to an ActionDelta created with Delta::AddAction.

The ActionDelta should be of type ""siModificationDeltaExpression to use this function (see siModificationDeltaType for a list of ActionDelta types).

Parameters:

in_Target	Target path for source item
in_Expression	The definition (formula) that defines the expression. For more information on how to define an expression, see "Expression Reference" in the Softimage User’s Guide.

Returns:: The new ActionDeltaItem

Example:

Illustrates how to add an ActionDeltaItem of type siModificationDeltaExpression to a ActionDelta.

        using namespace XSI;
        Application app;

        // NewScene command
        CValueArray cargs; CValue oarg;
        cargs.Add( L"" ); cargs.Add( false );
        app.ExecuteCommand( L"NewScene", cargs, oarg );
        cargs.Clear();

        //Add cube geometry and create the reference model
        Model root = app.GetActiveSceneRoot();
        X3DObject myCube;
        root.AddGeometry( L"Cube", L"MeshSurface",L"",myCube);

        // CreateModelAndConvertToRef command
        CString strFactPath = app.GetInstallationPath(siProjectPath) ;
            strFactPath += L"/Models/MyModel.emdl";
        cargs.Add( myCube.GetFullName() ); cargs.Add( strFactPath );
        app.ExecuteCommand( L"CreateModelAndConvertToRef", cargs, oarg );
        cargs.Clear();

        X3DObject myCone;
        root.AddGeometry( L"Cone", L"MeshSurface",L"",myCone);

        // Translate command
        cargs.Add(myCone.GetFullName()); cargs.Add(2.0); cargs.Add(1.3); cargs.Add(0.0);
        cargs.Add(L"siRelative"); cargs.Add(L"siView"); cargs.Add(L"siObj"); cargs.Add(L"siXYZ");
        app.ExecuteCommand( L"Translate", cargs, oarg );
        cargs.Clear();

        Delta myDelta;
        // AddDelta command
        cargs.Add( L"Model" );
        app.ExecuteCommand( L"AddDelta", cargs, oarg );
        cargs.Clear();
        myDelta = oarg;

        // Add an action of type siModificationDeltaExpression
        ActionDelta myDeltaAction = myDelta.AddAction(siModificationDeltaExpression);

        // Add the Expression item
        ActionDeltaItem myActionDeltaItem = myDeltaAction.AddExpressionItem ( myCube.GetFullName() + L".kine.global.posx",
            L"5*sin(" + myCone.GetFullName() + L".kine.local.posx * 15)");

        // Apply modification
        myDelta.Apply();

CString GetName ( ) const

Returns the name of the ActionDelta.

Returns:: The name of the ActionDelta

Example:: See the main ActionDelta example which demonstrates how to use this function.

Reimplemented from SIObject.

CString GetType ( ) const

Returns the type of the ActionDelta.

Returns:: A value from the siModificationDeltaType enum.

Example:: See the main ActionDelta example which demonstrates how to use this function.

Reimplemented from SIObject.

CStatus RemoveItem ( const CString & in_target )

Removes an ActionDeltaItem from the ActionDelta.

Note:: After a removal, the ActionDeltaItem object may not target the same item (see example).

Parameters:

in_target The name of the ActionDeltaItem to remove.

Returns:: CStatus::OK success; CStatus::Fail is returned in case of failure

Example:

Illustrates how to to remove an ActionDeltaItem.

        using namespace XSI;
        Application app;

        // NewScene command
        CValueArray cargs; CValue oarg;
        cargs.Add( L"" ); cargs.Add( false );
        app.ExecuteCommand( L"NewScene", cargs, oarg );
        cargs.Clear();

        //Add cube geometry and create the reference model
        Model root = app.GetActiveSceneRoot();
        X3DObject myCube;
        root.AddGeometry( L"Cube", L"MeshSurface",L"",myCube);

        // CreateModelAndConvertToRef command
        CString strFactPath = app.GetInstallationPath(siProjectPath) ;
            strFactPath += L"/Models/MyModel.emdl";
        cargs.Add( myCube.GetFullName() ); cargs.Add( strFactPath );
        app.ExecuteCommand( L"CreateModelAndConvertToRef", cargs, oarg );
        cargs.Clear();

        X3DObject myCone;
        root.AddGeometry( L"Cone", L"MeshSurface",L"",myCone);

        // Translate command
        cargs.Add(myCone.GetFullName()); cargs.Add(2.0); cargs.Add(1.3); cargs.Add(0.0);
        cargs.Add(L"siRelative"); cargs.Add(L"siView"); cargs.Add(L"siObj"); cargs.Add(L"siXYZ");
        app.ExecuteCommand( L"Translate", cargs, oarg );
        cargs.Clear();

        Delta myDelta;
        // AddDelta command
        cargs.Add( L"Model" );
        app.ExecuteCommand( L"AddDelta", cargs, oarg );
        cargs.Clear();
        myDelta = oarg;

        // Translate command
        cargs.Add(myCube.GetFullName()); cargs.Add(2.0); cargs.Add(1.3); cargs.Add(0.0);
        cargs.Add(L"siRelative"); cargs.Add(L"siView"); cargs.Add(L"siObj"); cargs.Add(L"siXYZ");
        app.ExecuteCommand( L"Translate", cargs, oarg );
        cargs.Clear();

        // Get the static item
        ActionDelta ActionDeltaStatic = myDelta.GetActionDeltas().GetItem(0);
        ActionDeltaItem ActionDeltaItem0 = ActionDeltaStatic.GetItems().GetItem(0);
        ActionDeltaItem ActionDeltaItem1 = ActionDeltaStatic.GetItems().GetItem(0);

        // Print the name of ActionDeltaItem1
        app.LogMessage ( L"Second item name before removing oActionDeltaItem1: " + ActionDeltaItem1.GetName());

        // Remove oActionDeltaItem0
        ActionDeltaStatic.RemoveItem(ActionDeltaItem0.GetName());

        // Print the name of ActionDeltaItem1
        app.LogMessage ( L"Second item name after removing oActionDeltaItem1: " + ActionDeltaItem1.GetName());


        // Add an action of type siModificationDeltaExpression
        ActionDelta DeltaActionExp = myDelta.AddAction(siModificationDeltaExpression);

        // Add the Expression item
        ActionDeltaItem myActionDeltaItem = DeltaActionExp.AddExpressionItem ( myCube.GetFullName() + L".kine.global.posx",
            L"5*sin(" + myCone.GetFullName() + L".kine.local.posx * 15)");

        DeltaActionExp.RemoveAllItems();

        // Apply modification
        myDelta.Apply();

CStatus RemoveAllItems ( )

Removes all ActionDeltaItem objects from the ActionDelta.

Returns:: CStatus::OK success; CStatus::Fail is returned in case of failure

Example:: See the ActionDelta::RemoveItem example which demonstrates how to use this function.

CRefArray GetItems ( ) const

Returns all ActionDeltaItem objects that make up the ActionDelta.

Returns:: Array of references to each ActionDeltaItem contained in the ActionDelta.

Example:: See the main ActionDelta example which demonstrates how to use this function.

The documentation for this class was generated from the following file:

xsi_actiondelta.h

Detailed Description

Public Member Functions

Constructor & Destructor Documentation

Member Function Documentation