FnGLCoiHandle.h

// Copyright (c) 2018 The Foundry Visionmongers Ltd. All Rights Reserved.

#ifndef GLCOIHANDLE_H_
#define GLCOIHANDLE_H_

#include <string>
#include <vector>

#include "FnGLTransformManipulator.h"

#include <FnViewer/plugin/FnManipulatorHandle.h>
#include <FnViewer/plugin/FnMathTypes.h>
#include <FnViewer/utils/FnDrawable.h>

class GLCoiHandle :
    public Foundry::Katana::ViewerUtils::GLTransformManipulatorHandle
{
public:
    GLCoiHandle();

    virtual ~GLCoiHandle();

    static Foundry::Katana::ViewerAPI::ManipulatorHandle* create()
    {
        return new GLCoiHandle();
    }

    static void flush(){}

    void draw();

    void applyXformToLocation(const std::string& locationPath,
                              const IMATH_NAMESPACE::M44d& xform,
                              bool isFinal)
    {
    }

protected:
    virtual std::string getComponentName() { return std::string(); }

private:
    void drawCross(const IMATH_NAMESPACE::V3d& cameraPosition,
                   const IMATH_NAMESPACE::V3d& cameraUpDirection,
                   const IMATH_NAMESPACE::V3d& centerOfInterest);

    std::vector<Vec3f> m_linesVertices;
    Foundry::Katana::ViewerUtils::Drawable m_linesMesh;
    std::vector<IMATH_NAMESPACE::V3d> m_centerOfInterests;
    Foundry::Katana::ViewerUtils::Drawable m_crossMesh;
};

#endif  // GLTranslateManipulator_H_