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lib/mayasdk7/include/maya/MPxDeformerNode.h

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+
+#ifndef _MPxDeformerNode
+#define _MPxDeformerNode
+//
+//-
+// ==========================================================================
+// Copyright (C) 1995 - 2005 Alias Systems Corp. and/or its licensors.  All 
+// rights reserved.
+// 
+// The coded instructions, statements, computer programs, and/or related 
+// material (collectively the "Data") in these files contain unpublished 
+// information proprietary to Alias Systems Corp. ("Alias") and/or its 
+// licensors, which is protected by Canadian and US federal copyright law and 
+// by international treaties.
+// 
+// The Data may not be disclosed or distributed to third parties or be copied 
+// or duplicated, in whole or in part, without the prior written consent of 
+// Alias.
+// 
+// THE DATA IS PROVIDED "AS IS". ALIAS HEREBY DISCLAIMS ALL WARRANTIES RELATING 
+// TO THE DATA, INCLUDING, WITHOUT LIMITATION, ANY AND ALL EXPRESS OR IMPLIED 
+// WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND/OR FITNESS FOR A 
+// PARTICULAR PURPOSE. IN NO EVENT SHALL ALIAS BE LIABLE FOR ANY DAMAGES 
+// WHATSOEVER, WHETHER DIRECT, INDIRECT, SPECIAL, OR PUNITIVE, WHETHER IN AN 
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, OR IN EQUITY, 
+// ARISING OUT OF ACCESS TO, USE OF, OR RELIANCE UPON THE DATA.
+// ==========================================================================
+//+
+//
+// CLASS:    MPxDeformerNode
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MPxDeformerNode)
+//
+// MPxDeformerNode allows the creation of user-defined deformers.  A deformer
+// is a node which takes any number of input geometries, deforms them and
+// places the output into the output geometry attribute.
+//
+// For more information, please see the built-in documentation
+// in MPxDeformerNode.cpp.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+
+#include <maya/MStatus.h>
+#include <maya/MTypes.h>
+#include <maya/MObject.h>
+#include <maya/MPxNode.h>
+#include <maya/MSelectionList.h>
+
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MPxDeformerNode)
+
+class MItGeometry;
+class MDagModifier;
+
+/// Base class for user defined Deformers (OpenMayaAnim)
+/**
+  Create user defined Deformers.
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYAANIM_EXPORT MPxDeformerNode : public MPxNode
+{
+public:
+    ///
+	MPxDeformerNode();
+
+    ///
+	virtual ~MPxDeformerNode();
+
+	///
+	virtual MPxNode::Type type() const;
+
+	// Methods to overload
+
+	// deform is called by computePlug when an output geometry
+	// value is evaluated
+	//
+
+	///
+    virtual MStatus        deform(MDataBlock& block,
+								  MItGeometry& iter,
+								  const MMatrix& mat,
+								  unsigned int multiIndex);
+
+	// return the attribute that gets connected to the
+	// deformer tool shape
+	//
+	///
+	virtual MObject&    	accessoryAttribute() const;
+
+	// called at creation time so that the node can create and attach any
+	// that it needs in order to function
+	//
+	///
+	virtual MStatus			accessoryNodeSetup(MDagModifier& cmd);
+
+	// return the weight value for the given index pair
+	//
+	///
+	float						weightValue( MDataBlock& mblock,
+											 unsigned int multiIndex,
+											 unsigned int wtIndex);
+	
+	///
+	void					setUseExistingConnectionWhenSetEditing(bool state);
+
+	// called when the set being deformed by this deformer has been modified to
+	// add/remove this selection list.
+	//
+	///
+	virtual void			setModifiedCallback( MSelectionList& list,
+												 bool listAdded );
+	
+	// Inherited attributes
+	/// input attribute, multi
+	static MObject input;
+	/// input geometry attribute
+		static MObject inputGeom;
+	/// input group id attribute
+		static MObject groupId;
+	/// geometry output attribute
+	static MObject outputGeom;
+	/// weight list attribute, multi
+	static MObject weightList;
+	/// weight attribute, multi
+		static MObject weights;
+	/// envelope attribute
+	static MObject envelope;
+protected:
+// No protected members
+
+private:
+	static void				initialSetup();
+	static const char*	    className();
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MPxNode */