IndexedTriMesh.h

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#pragma once
 
#include "Core/Intersection/DataStructure/TriFace.h"
#include "Math/TVector3.h"
 
#include <Common/assertion.h>
 
#include <cstddef>
#include <array>
 
namespace ph
{
 
class IndexedTriMesh
{
public:
    explicit IndexedTriMesh(std::size_t numFaces);
    virtual ~IndexedTriMesh() = default;
 
    virtual TriFace getFace(std::size_t index) const = 0;
 
    virtual std::array<math::Vector3R, 3> getVertices(std::size_t index) const;
 
    std::size_t numFaces() const;
 
    // TODO: interface for aquiring new UV from a different channel
    // TODO: do we need to know how many UV channels this mesh is supporting?
 
protected:
    std::size_t m_numFaces;
};
 
// In-header Implementations:
 
inline IndexedTriMesh::IndexedTriMesh(const std::size_t numFaces) : 
    m_numFaces(numFaces)
{
    PH_ASSERT_GT(numFaces, 0);
}
 
inline std::array<math::Vector3R, 3> IndexedTriMesh::getVertices(const std::size_t index) const
{
    return getFace(index).getVertices();
}
 
inline std::size_t IndexedTriMesh::numFaces() const
{
    return m_numFaces;
}
 
}// end namespace ph