Vertex.hpp

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/*
 *  Copyright (C) 2010 - 2016 Leonid Kostrykin
 *
 *  Chair of Medical Engineering (mediTEC)
 *  RWTH Aachen University
 *  Pauwelsstr. 20
 *  52074 Aachen
 *  Germany
 * 
 * 
 *  Copyright (C) 2021 - 2025 Leonid Kostrykin
 * 
 */
 
#ifndef VERTEX_H_6014714286
#define VERTEX_H_6014714286
 
#include <LibCarna/LibCarna.hpp>
#include <LibCarna/base/VertexAttributes.hpp>
 
namespace LibCarna
{
 
namespace base
{
 
 
 
// ----------------------------------------------------------------------------------
// VertexPosition
// ----------------------------------------------------------------------------------
 
struct VertexPosition
{
    float x, y, z, w;
 
    VertexPosition();
 
    template< typename VectorType >
    void setPosition( const VectorType& position );
};
 
 
template< typename VectorType >
void VertexPosition::setPosition( const VectorType& position )
{
    x = position.x();
    y = position.y();
    z = position.z();
}
 
 
 
// ----------------------------------------------------------------------------------
// VertexNormal
// ----------------------------------------------------------------------------------
 
struct VertexNormal
{
    float nx, ny, nz, nw;
 
    VertexNormal();
 
    template< typename VectorType >
    void setNormal( const VectorType& normal );
};
 
 
template< typename VectorType >
void VertexNormal::setNormal( const VectorType& normal )
{
    nx = normal.x();
    ny = normal.y();
    nz = normal.z();
}
 
 
 
// ----------------------------------------------------------------------------------
// VertexColor
// ----------------------------------------------------------------------------------
 
struct VertexColor
{
    float r, g, b, a;
 
    VertexColor();
 
    template< typename VectorType >
    void setColor( const VectorType& color );
};
 
 
template< typename VectorType >
void VertexColor::setColor( const VectorType& color )
{
    r = color.x();
    g = color.y();
    b = color.z();
    a = color.w();
}
 
 
 
// ----------------------------------------------------------------------------------
// VERTEX_NULL_COMPONENT
// ----------------------------------------------------------------------------------
 
#define VERTEX_NULL_COMPONENT( name ) \
    template< typename VectorType > \
    void set ## name( const VectorType& ) \
    { \
    }
 
 
 
// ----------------------------------------------------------------------------------
// PVertex
// ----------------------------------------------------------------------------------
 
struct LIBCARNA PVertex
    : public VertexPosition
{
    static const VertexAttributes attributes;
 
    VERTEX_NULL_COMPONENT( Normal );
 
    VERTEX_NULL_COMPONENT( Color  );
};
 
 
 
// ----------------------------------------------------------------------------------
// PNVertex
// ----------------------------------------------------------------------------------
 
struct LIBCARNA PNVertex
    : public VertexPosition
    , public VertexNormal
{
    static const VertexAttributes attributes;
 
    VERTEX_NULL_COMPONENT( Color );
};
 
 
 
// ----------------------------------------------------------------------------------
// PCVertex
// ----------------------------------------------------------------------------------
 
struct LIBCARNA PCVertex
    : public VertexPosition
    , public VertexColor
{
    static const VertexAttributes attributes;
 
    VERTEX_NULL_COMPONENT( Normal );
};
 
 
 
}  // namespace LibCarna :: base
 
}  // namespace LibCarna
 
#endif // VERTEX_H_6014714286