42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/VertexMapper.hpp>
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#include <Nazara/Utility/Algorithm.hpp>
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#include <Nazara/Utility/VertexDeclaration.hpp>
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#include <Nazara/Utility/Debug.hpp>
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namespace Nz
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{
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template <typename T>
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SparsePtr<T> VertexMapper::GetComponentPtr(VertexComponent component, std::size_t componentIndex)
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{
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// On récupère la déclaration depuis le buffer
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const std::shared_ptr<const VertexDeclaration>& declaration = m_mapper.GetBuffer()->GetVertexDeclaration();
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if (const auto* componentData = declaration->GetComponentByType<T>(component, componentIndex))
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return SparsePtr<T>(static_cast<UInt8*>(m_mapper.GetPointer()) + componentData->offset, declaration->GetStride());
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else
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return SparsePtr<T>();
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}
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inline const VertexBuffer* VertexMapper::GetVertexBuffer() const
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{
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return m_mapper.GetBuffer();
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}
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inline UInt32 VertexMapper::GetVertexCount() const
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{
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return GetVertexBuffer()->GetVertexCount();
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}
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template<typename T>
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bool VertexMapper::HasComponentOfType(VertexComponent component) const
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{
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return m_mapper.GetBuffer()->GetVertexDeclaration()->HasComponentOfType<T>(component);
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}
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}
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#include <Nazara/Utility/DebugOff.hpp>
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