// ==========================================================================
// Copyright 1995,2006,2008 Autodesk, Inc. All rights reserved.
// Use of this software is subject to the terms of the Autodesk
// license agreement provided at the time of installation or download,
// or which otherwise accompanies this software in either electronic
// or hard copy form.
// ==========================================================================

#include <maya/MTypeId.h>
#include <maya/MTypes.h>
#include <maya/MPxManipulatorNode.h>
#include <maya/MFnPlugin.h>
#include <maya/MObjectHandle.h>
#include <maya/MPxCommand.h>
#include <maya/MSyntax.h>
#include <maya/MDagModifier.h>

#include <maya/M3dView.h>
#include <maya/MGLFunctionTable.h>

#include "manipulatorMath.h"

// Custom manipulator class
class lineManip : public MPxManipulatorNode

        // Important virtuals
        virtual void draw(M3dView &view, const MDagPath &path,
                                M3dView::DisplayStyle style, M3dView::DisplayStatus status);

        virtual MStatus doPress( M3dView& view );
        virtual MStatus doDrag( M3dView& view );
        virtual MStatus doRelease( M3dView& view );

        // Standard API required methods
        static void* creator();
        static MStatus initialize();

        // Utility method
        MStatus updateDragInformation();

        // Node id
        static MTypeId id;

        // GL component name for drawing and picking
        MGLuint lineName;
        // Simple class for plane creation, intersection. Although
        // the manipulator is just a line we want it to move
        // within a plane
        planeMath plane;
        // Modified mouse position used for updating manipulator
        MPoint mousePointGlName;

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