// ==========================================================================
// 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;