NazaraEngine/include/Nazara/Utility/VertexMapper.inl

36 lines
1.0 KiB
C++

// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Engine - Utility module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Utility/VertexDeclaration.hpp>
#include <Nazara/Utility/Debug.hpp>
namespace Nz
{
template <typename T>
SparsePtr<T> VertexMapper::GetComponentPtr(VertexComponent component)
{
// On récupère la déclaration depuis le buffer
const VertexDeclaration* declaration = m_mapper.GetBuffer()->GetVertexDeclaration();
// Ensuite le composant qui nous intéresse
bool enabled;
ComponentType type;
std::size_t offset;
declaration->GetComponent(component, &enabled, &type, &offset);
if (enabled)
{
///TODO: Vérifier le rapport entre le type de l'attribut et le type template ?
return SparsePtr<T>(static_cast<UInt8*>(m_mapper.GetPointer()) + offset, declaration->GetStride());
}
else
{
NazaraError("Attribute 0x" + String::Number(component, 16) + " is not enabled");
return SparsePtr<T>();
}
}
}
#include <Nazara/Utility/DebugOff.hpp>