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Torque/SDK/lib/mayasdk6/include/maya/MItMeshFaceVertex.h

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+#ifndef _MItMeshFaceVertex
+#define _MItMeshFaceVertex
+//
+//-
+// ==========================================================================
+// Copyright  (C)  Alias Systems,  a division  of  Silicon Graphics  Limited.
+// All rights  reserved.  These coded  instructions,  statements and computer
+// programs  contain  unpublished information  proprietary to  Alias Systems,
+// a  division  of  Silicon  Graphics  Limited,  which  is  protected by  the
+// Canadian  and  US federal copyright law and  may not be disclosed to third
+// parties or  copied  or  duplicated,  in  whole  or in part,  without prior
+// written  consent  of Alias Systems, a division of Silicon Graphics Limited
+// ==========================================================================
+//+
+//
+// CLASS:    MItMeshFaceVertex
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MItMeshFaceVertex)
+//
+//	This class is the iterator for polygonal surfaces - iterates over 
+//  face vertices.
+//
+//	The iterator functions in two modes depending on whether a component
+//	is specified. When a component is not given or is NULL the iteration
+//	will be over all polygons for the surface.  When a component is given
+//	this iterator will iterate over the polygons specified in the component.
+//	When iterating over components a DAG path to the surface must also be
+//	supplied.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+#include <maya/MFnDagNode.h>
+#include <maya/MObject.h>
+#include <maya/MVector.h>
+#include <maya/MPoint.h>
+#include <maya/MColor.h>
+#include <maya/MFloatArray.h>
+#include <maya/MFloatVectorArray.h>
+#include <maya/MVectorArray.h>
+#include <maya/MColorArray.h>
+#include <maya/MString.h>
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+class MPointArray;
+class MDoubleArray;
+class MIntArray;
+class MDGModifier;
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MItMeshFaceVertex)
+
+/// Face vertex iterator
+/**
+  Iterate over face vertices of polygonal surfaces
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYA_EXPORT MItMeshFaceVertex
+{
+public:
+	///
+    MItMeshFaceVertex( const MObject & polyObject, MStatus * ReturnStatus = NULL );
+    ///
+    MItMeshFaceVertex( const MDagPath &polyObject,
+					MObject & component = MObject::kNullObj,
+					MStatus * ReturnStatus = NULL );
+	///
+	virtual ~MItMeshFaceVertex();
+    ///
+    bool        isDone( MStatus * ReturnStatus = NULL );
+    ///
+    MStatus     next();
+    ///
+    MStatus     reset();
+    ///
+    MStatus     reset( const MObject & polyObject );
+    ///
+    MStatus     reset( const MDagPath &polyObject,
+						MObject & component = MObject::kNullObj );
+    ///
+    int         vertId( MStatus * ReturnStatus = NULL ) const;
+	///	
+    int         faceId( MStatus * ReturnStatus = NULL ) const;
+    ///
+    int         faceVertId( MStatus * ReturnStatus = NULL ) const;
+
+    ///
+    MPoint      position( MSpace::Space space = MSpace::kObject,
+						  MStatus * ReturnStatus = NULL );
+
+    /// Get/Set methods for normals.
+    MStatus     getNormal( MVector & normal,
+						   MSpace::Space space = MSpace::kObject );
+	/// 
+    int         normalId( MStatus * ReturnStatus = NULL );
+
+
+	// UV methods. Mention sharing in docs when setUVs
+	///
+	bool		hasUVs( MStatus * ReturnStatus = NULL ) const;
+    /// 
+    bool        hasUVs( const MString & uvSet,
+						MStatus * ReturnStatus = NULL ) const;
+    /// 
+    MStatus     getUV( float2 & uvPoint, const MString * uvSet = NULL) const;
+    ///
+    MStatus     getUVIndex( int & index, const MString *uvSet = NULL );
+    ///
+    MStatus     getUVIndex( int & index, float & u, float & v,
+							const MString *uvSet = NULL);
+
+	// Color methods. Mention sharing in docs when setUVs
+	///
+	bool		hasColor(MStatus * ReturnStatus = NULL ) const;
+	///
+	MStatus		getColor(MColor &color);
+	/// 		
+	MStatus		getColorIndex( int & index );
+
+
+    ///
+    MStatus     updateSurface();
+    ///
+    MStatus     geomChanged();
+	///
+	MStatus		setIndex(int faceId, int vertFaceId, 
+					     int &prevFaceId, int &prevVertId );
+
+protected:
+    bool		getUVSetIndex( const MString * uvSetName,
+							   int & uvSet) const;
+
+private:
+
+    static const char*  className();
+    MPtrBase *      f_shape;
+    void 	 *      f_path;
+    void 	 *      f_geom;
+	void	 *		f_ref;
+
+	void	 *		fCompIter;		// face component iterator
+	void     *      fElements;		// pointer to the face component list
+
+	int				fCurrFaceId; 	
+	int				fCurrOffset; 
+	int				fCurrVertOff;
+	int             fNumbFaceVerts;	// number of all face vertices
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MItMeshFaceVertex */