Added TriangleIterator (experimental)

Former-commit-id: b94f4d4a26a92f4acecf4c53291db80756feb289

include/Nazara/Utility/TriangleIterator.hpp

@@ -0,0 +1,46 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Utility module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_TRIANGLEITERATOR_HPP
+#define NAZARA_TRIANGLEITERATOR_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Math/Vector2.hpp>
+#include <Nazara/Math/Vector3.hpp>
+#include <Nazara/Utility/Enums.hpp>
+#include <Nazara/Utility/IndexMapper.hpp>
+#include <Nazara/Utility/VertexMapper.hpp>
+
+class NzSubMesh;
+
+class NAZARA_API NzTriangleIterator
+{
+	public:
+		NzTriangleIterator(NzSubMesh* subMesh, nzBufferAccess access = nzBufferAccess_ReadWrite);
+		~NzTriangleIterator() = default;
+
+		bool Advance();
+
+		NzVector3f GetNormal(unsigned int i) const;
+		NzVector3f GetPosition(unsigned int i) const;
+		NzVector3f GetTangent(unsigned int i) const;
+		NzVector2f GetTexCoords(unsigned int i) const;
+
+		void SetNormal(unsigned int i, const NzVector3f& normal);
+		void SetPosition(unsigned int i, const NzVector3f& position);
+		void SetTangent(unsigned int i, const NzVector3f& tangent);
+		void SetTexCoords(unsigned int i, const NzVector2f& texCoords);
+
+	private:
+		nzPrimitiveType m_primitiveType;
+		nzUInt32 m_triangleIndices[3];
+		NzIndexMapper m_indexMapper;
+		NzVertexMapper m_vertexMapper;
+		unsigned int m_currentIndex;
+		unsigned int m_indexCount;
+};
+
+#endif // NAZARA_TRIANGLEITERATOR_HPP