CustomVector3ToScalar Example

#include <xsi_application.h>
#include <xsi_context.h>
#include <xsi_pluginregistrar.h>
#include <xsi_status.h>

#include <xsi_mdnodecontext.h>
#include <xsi_mdnodedef.h>
#include <xsi_factory.h>
#include <xsi_math.h>
#include <xsi_vector2f.h>
#include <xsi_vector3f.h>
#include <xsi_vector4f.h>
#include <xsi_matrix3f.h>
#include <xsi_matrix4f.h>
#include <xsi_rotationf.h>
#include <xsi_quaternionf.h>
#include <xsi_color4f.h>
#include <xsi_shape.h>
#include <xsi_indexset.h>
#include <xsi_dataarray.h>
#include <xsi_dataarray2D.h>

// Defines port, group and map identifiers used for registering the ICENode
enum IDs
{
	ID_IN_v3 = 0,
	ID_G_100 = 100,
	ID_OUT_x = 200,
	ID_OUT_y = 201,
	ID_OUT_z = 202,
	ID_TMAP = 400,
	ID_SMAP,
	ID_CMAP,
	ID_UNDEF = ULONG_MAX
};

XSI::CStatus RegisterCustomVector3ToScalar( XSI::PluginRegistrar& in_reg );

using namespace XSI; 

XSIPLUGINCALLBACK CStatus XSILoadPlugin( PluginRegistrar& in_reg )
{
	in_reg.PutAuthor(L"Softimage");
	in_reg.PutName(L"CustomVector3ToScalar Plugin");
	in_reg.PutEmail(L"");
	in_reg.PutURL(L"");
	in_reg.PutVersion(1,0);

	RegisterCustomVector3ToScalar( in_reg );

	//RegistrationInsertionPoint - do not remove this line

	return CStatus::OK;
}

CStatus RegisterCustomVector3ToScalar( PluginRegistrar& in_reg )
{
	ICENodeDef nodeOpDef;
	nodeOpDef = Application().GetFactory().CreateICENodeDef(L"CustomVector3ToScalar");

	CStatus st;

	// Add input ports and groups.
	st = nodeOpDef.AddPortGroup(ID_G_100);
	st.AssertSucceeded( ) ;

	st = nodeOpDef.AddInputPort(
		ID_IN_v3, // port index
		ID_G_100, // group index
		siICENodeDataVector3, // data type
		siICENodePortStructureSingle, // structure type
		siICENodeEvaluationContextComponent0D, // context type
		L"v3",					// port name
		L"v3",					// port scripting name
		MATH::CVector3f(1.0,1.0,1.0), // default value
		ID_UNDEF, // data type constraint
		ID_SMAP, // structure type constraint
		ID_CMAP					// context type contraint
	);
	st.AssertSucceeded( ) ;

	// Add output ports
	st = nodeOpDef.AddOutputPort(
		ID_OUT_x, // port index
		siICENodePortDataFloat, // data type
		siICENodePortStructureSingle, // structure type
		siICENodeEvaluationContextComponent0D, // context type
		L"x",					// port name
		L"x",					// port scripting name
		ID_UNDEF, // data type constraint
		ID_SMAP, // structure type constraint
		ID_CMAP					// context type contraint
	);
	st.AssertSucceeded( ) ;

	st = nodeOpDef.AddOutputPort(
		ID_OUT_y, // port index
		siICENodePortDataFloat, // data type
		siICENodePortStructureSingle, // structure type
		siICENodeEvaluationContextComponent0D, // context type
		L"y",					// port name
		L"y",					// port scripting name
		ID_UNDEF, // data type constraint
		ID_SMAP, // structure type constraint
		ID_CMAP					// context type contraint
	);
	st.AssertSucceeded( ) ;

	st = nodeOpDef.AddOutputPort(
		ID_OUT_z, // port index
		siICENodePortDataFloat, // data type
		siICENodePortStructureSingle, // structure type
		siICENodeEvaluationContextComponent0D, // context type
		L"z",					// port name
		L"z",					// port scripting name
		ID_UNDEF, // data type constraint
		ID_SMAP, // structure type constraint
		ID_CMAP					// context type contraint
	);
	st.AssertSucceeded( ) ;

	PluginItem nodeItem = in_reg.RegisterICENode(nodeOpDef);
	nodeItem.PutCategories(L"Custom ICENode Sample");

	return CStatus::OK;

}

XSIPLUGINCALLBACK CStatus CustomVector3ToScalar_Evaluate( ICENodeContext& in_ctxt )
{
	// Get the output data array
	CDataArrayFloat outData( in_ctxt );

	// .. and the input array
	CDataArrayVector3f inputData( in_ctxt, ID_IN_v3 );

	// And the index set
	CIndexSet indexSet( in_ctxt );

	// Set the output data 
	ULONG outport_uniqid = in_ctxt.GetEvaluatedOutputPortID( );

	switch( outport_uniqid )
	{
		case ID_OUT_x:
		{
			for(CIndexSet::Iterator it = indexSet.Begin(); it.HasNext(); it.Next())
			{
				outData[it] = inputData[it].GetX();
			}
		}
		break;

		case ID_OUT_y:
		{
			for(CIndexSet::Iterator it = indexSet.Begin(); it.HasNext(); it.Next())
			{
				outData[it] = inputData[it].GetY();
			}
		}
		break;

		case ID_OUT_z:
		{
			for(CIndexSet::Iterator it = indexSet.Begin(); it.HasNext(); it.Next())
			{
				outData[it] = inputData[it].GetZ();
			}
		}
		break;
	};

	return CStatus::OK;
}