HoudiniDraw.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __houdini_HoudiniDraw_h__
#define __houdini_HoudiniDraw_h__

namespace fe
{
namespace ext
{

/**************************************************************************//**
    @brief Draw into Houdini GU_Detail (gdp)

    @ingroup houdini
*//***************************************************************************/
class FE_DL_EXPORT HoudiniDraw:
    public DrawCommon,
    public CastableAs<HoudiniDraw>
{
    public:
                    HoudiniDraw(void): m_pGdp(NULL)                         {}
virtual             ~HoudiniDraw(void)                                      {}

                    //* as DrawI

                    using DrawCommon::drawPoints;

virtual void        drawPoints(const SpatialVector *vertex,
                            const SpatialVector *normal,U32 vertices,
                            BWORD multicolor,const Color *color,
                            sp<DrawBufferI> spDrawBuffer);

                    using DrawCommon::drawLines;

virtual void        drawLines(const SpatialVector *vertex,
                            const SpatialVector *normal,U32 vertices,
                            StripMode strip,
                            BWORD multicolor,const Color *color,
                            BWORD multiradius,const Real *radius,
                            const Vector3i *element,U32 elementCount,
                            sp<DrawBufferI> spDrawBuffer);

                    using DrawCommon::drawTriangles;

virtual void        drawTriangles(const SpatialVector *vertex,
                            const SpatialVector *normal,
                            const Vector2 *texture,U32 vertices,
                            StripMode strip,BWORD multicolor,
                            const Color* color,
                            const Array<I32>* vertexMap,
                            const Array<I32>* hullPointMap,
                            const Array<Vector4i>* hullFacePoint,
                            sp<DrawBufferI> spDrawBuffer);

                    //* Houdini specific

        void        setGdp(GU_Detail* a_pGdp)   { m_pGdp=a_pGdp; }
        GU_Detail*  gdp(void)                   { return m_pGdp; }

    private:
        void        drawPolygons(const SpatialVector *vertex,
                            const SpatialVector *normal,U32 vertices,
                            StripMode strip,BWORD multicolor,
                            const Color *color,BWORD openPoly);

        GU_Detail*  m_pGdp;
};

} /* namespace ext */
} /* namespace fe */

#endif /* __houdini_HoudiniDraw_h__ */