//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) 2011-2013 Ceetron AS
//
//   This library may be used under the terms of either the GNU General Public License or
//   the GNU Lesser General Public License as follows:
//
//   GNU General Public License Usage
//   This library is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
//   This library is distributed in the hope that it will be useful, but WITHOUT ANY
//   WARRANTY; without even the implied warranty of MERCHANTABILITY or
//   FITNESS FOR A PARTICULAR PURPOSE.
//
//   See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
//   for more details.
//
//   GNU Lesser General Public License Usage
//   This library is free software; you can redistribute it and/or modify
//   it under the terms of the GNU Lesser General Public License as published by
//   the Free Software Foundation; either version 2.1 of the License, or
//   (at your option) any later version.
//
//   This library is distributed in the hope that it will be useful, but WITHOUT ANY
//   WARRANTY; without even the implied warranty of MERCHANTABILITY or
//   FITNESS FOR A PARTICULAR PURPOSE.
//
//   See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
//   for more details.
//
//##################################################################################################


#pragma once

#include "cvfGeometryBuilder.h"

namespace cvf {


//==================================================================================================
//
// Concrete geometry builder class for building geometry to only triangles
//
//==================================================================================================
class GeometryBuilderTriangles : public GeometryBuilder
{
public:
    GeometryBuilderTriangles();

    virtual uint        addVertices(const Vec3fArray& vertices);
    virtual uint        vertexCount() const;
    virtual void        transformVertexRange(uint startIdx, uint endIdx, const Mat4f& mat);

    virtual void        addTriangle(uint i0, uint i1, uint i2);

    ref<Vec3fArray>     vertices() const;
    ref<UIntArray>      triangles() const;
    ref<UShortArray>    trianglesUShort() const;

private:
    std::vector<Vec3f>  m_vertices;
    std::vector<uint>   m_triangles;
};

}