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Torque/SDK/lib/mayamacsdk5/include/maya/MPxFieldNode.h

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+
+#ifndef _MPxFieldNode
+#define _MPxFieldNode
+//
+// *****************************************************************************
+//
+// Copyright (C) 1997-2003 Alias|Wavefront Inc.
+//
+// These coded instructions, statements and computer programs contain
+// unpublished information proprietary to Alias|Wavefront Inc. and are
+// protected by Canadian and US federal copyright laws. They may not be
+// disclosed to third parties or copied or duplicated, in whole or in part,
+// without prior written consent of Alias|Wavefront Inc.
+//
+// Unpublished-rights reserved under the Copyright Laws of the United States.
+//
+// *****************************************************************************
+//
+// CLASS:    MPxFieldNode
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MPxFieldNode)
+//
+// MPxFieldNode allows the creation and manipulation of dependency graph nodes
+// representing fields.  This is the top level of a hierarchy of field
+// node function sets.  It permits manipulation of the attributes common to
+// all types of fields.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+#include <maya/MStatus.h>
+#include <maya/MObject.h>
+#include <maya/MPxNode.h>
+#include <maya/MPointArray.h>
+#include <maya/MVectorArray.h>
+#include <maya/MDoubleArray.h>
+#include <GL/gl.h>
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MPxFieldNode)
+
+/// Base class for user defined fields (OpenMayaFX)
+/**
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYAFX_EXPORT MPxFieldNode : public MPxNode
+{
+public:
+	///
+	MPxFieldNode();
+	///
+	virtual ~MPxFieldNode();
+	///
+	virtual MPxNode::Type type() const;
+	///
+	virtual MStatus		compute( const MPlug& plug, MDataBlock& dataBlock );
+	///
+    virtual MStatus getForceAtPoint(const MVectorArray&  point,
+                            const MVectorArray&  velocity,
+                            const MDoubleArray&  mass,
+                            MVectorArray&        force,
+                            double deltaTime);
+	///
+	virtual MStatus iconSizeAndOrigin(	GLuint& width,
+						GLuint& height,
+						GLuint& xbo,
+						GLuint& ybo   );
+	///
+	virtual MStatus iconBitmap(GLubyte* bitmap);
+
+	/////////////////////////
+	// Inherited attributes
+	/////////////////////////
+
+	// General attributes for every field.
+	//
+	/// magnitude attribute
+	static MObject	mMagnitude;
+	/// attenuation attribute
+	static MObject	mAttenuation;
+	/// maximum distance attribute
+	static MObject	mMaxDistance;
+	/// flag for maximum distance attribute
+	static MObject	mUseMaxDistance;
+	/// flag for per vertex attribute
+	static MObject	mApplyPerVertex;
+
+	// Attributes for input force data.
+	//
+	/// input attribute compound, multi
+	static MObject	mInputData;
+	/// child attribute, multi
+	static MObject	mInputPositions;
+	/// child attribute, multi
+	static MObject	mInputVelocities;
+	/// child attribute, multi
+	static MObject	mInputMass;
+	/// child attribute
+	static MObject	mDeltaTime;
+
+	// Attribute for input forces.
+	//
+	/// forces input attribute, multi
+	static MObject	mInputForce;
+
+	// Attribute for output forces.
+	//
+	/// forces output attribute, multi
+	static MObject	mOutputForce;
+
+	// Attributes for ownership.
+	//
+	/// X component of mOwnerCentroid
+	static MObject	mOwnerCentroidX;
+	/// Y component of mOwnerCentroid
+	static MObject	mOwnerCentroidY;
+	/// Z component of mOwnerCentroid
+	static MObject	mOwnerCentroidZ;
+	/// owner centroid attribute
+	static MObject	mOwnerCentroid;
+	/// owner position attribute, multi
+	static MObject	mOwnerPosData;
+	/// owner velocity attribute, multi
+	static MObject	mOwnerVelData;
+
+	// Attribute for world position.
+	//
+	/// world matrix attribute
+	static MObject	mWorldMatrix;
+
+protected:
+// No protected members
+
+private:
+// No private members
+
+	static void			initialSetup();
+	static const char*	className();
+
+
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MPxFieldNode */