Added VertexMapper
Former-commit-id: 26765f92782b61443544744ac145ccd02a8ed2b0
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// Copyright (C) 2012 Jérôme Leclercq
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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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#pragma once
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#ifndef NAZARA_VERTEXITERATOR_HPP
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#define NAZARA_VERTEXITERATOR_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Math/Vector2.hpp>
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#include <Nazara/Math/Vector3.hpp>
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#include <Nazara/Utility/Enums.hpp>
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class NzSubMesh;
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class NzVertexBuffer;
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class NzVertexMapperImpl;
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class NAZARA_API NzVertexMapper
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{
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public:
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NzVertexMapper(NzSubMesh* subMesh);
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~NzVertexMapper();
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NzVector3f GetNormal(unsigned int i) const;
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NzVector3f GetPosition(unsigned int i) const;
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NzVector3f GetTangent(unsigned int i) const;
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NzVector2f GetTexCoords(unsigned int i) const;
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unsigned int GetTotalVertexCount();
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void SetNormal(unsigned int i, const NzVector3f& normal);
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void SetPosition(unsigned int i, const NzVector3f& position);
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void SetTangent(unsigned int i, const NzVector3f& tangent);
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void SetTexCoords(unsigned int i, const NzVector2f& texCoords);
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private:
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NzVertexMapperImpl* m_impl;
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};
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#endif // NAZARA_VERTEXITERATOR_HPP
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@ -0,0 +1,325 @@
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// Copyright (C) 2012 Jérôme Leclercq
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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/BufferMapper.hpp>
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#include <Nazara/Utility/Config.hpp>
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#include <Nazara/Utility/Mesh.hpp> // NzMeshVertex
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#include <Nazara/Utility/KeyframeMesh.hpp>
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#include <Nazara/Utility/SkeletalMesh.hpp>
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#include <Nazara/Utility/StaticMesh.hpp>
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#include <Nazara/Utility/SubMesh.hpp>
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#include <Nazara/Utility/Debug.hpp>
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class NzVertexMapperImpl
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{
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public:
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NzVertexMapperImpl() = default;
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virtual ~NzVertexMapperImpl() = default;
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virtual NzVector3f GetNormal(unsigned int i) const = 0;
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virtual NzVector3f GetPosition(unsigned int i) const = 0;
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virtual NzVector3f GetTangent(unsigned int i) const = 0;
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virtual NzVector2f GetTexCoords(unsigned int i) const = 0;
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virtual unsigned int GetTotalVertexCount() const = 0;
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virtual void SetNormal(unsigned int i, const NzVector3f& normal) = 0;
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virtual void SetPosition(unsigned int i, const NzVector3f& position) = 0;
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virtual void SetTangent(unsigned int i, const NzVector3f& tangent) = 0;
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virtual void SetTexCoords(unsigned int i, const NzVector2f& texCoords) = 0;
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};
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namespace
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{
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class SubMeshVertexMapper : public NzVertexMapperImpl
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{
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public:
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SubMeshVertexMapper(NzSubMesh* subMesh) :
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m_subMesh(subMesh)
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{
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#if NAZARA_UTILITY_SAFE
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if (!m_subMesh)
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{
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NazaraError("Invalid subMesh"); ///TODO: Unexpected
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return;
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}
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#endif
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}
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virtual ~SubMeshVertexMapper() noexcept
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{
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m_subMesh->Finish();
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}
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protected:
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NzSubMesh* m_subMesh;
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};
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class KeyframeMeshVertexMapper : public SubMeshVertexMapper
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{
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public:
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KeyframeMeshVertexMapper(NzSubMesh* subMesh) :
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SubMeshVertexMapper(subMesh)
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{
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m_mesh = static_cast<NzKeyframeMesh*>(subMesh);
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m_vertexPerFrame = m_mesh->GetVertexCount();
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}
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virtual ~KeyframeMeshVertexMapper() noexcept
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{
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}
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NzVector3f GetNormal(unsigned int i) const
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{
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return m_mesh->GetNormal(i/m_vertexPerFrame, i%m_vertexPerFrame);
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}
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NzVector3f GetPosition(unsigned int i) const
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{
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return m_mesh->GetPosition(i/m_vertexPerFrame, i%m_vertexPerFrame);
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}
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NzVector3f GetTangent(unsigned int i) const
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{
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return m_mesh->GetTangent(i/m_vertexPerFrame, i%m_vertexPerFrame);
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}
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NzVector2f GetTexCoords(unsigned int i) const
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{
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return m_mesh->GetTexCoords(i%m_vertexPerFrame);
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}
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unsigned int GetTotalVertexCount() const
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{
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return m_vertexPerFrame*m_mesh->GetFrameCount();
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}
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void SetNormal(unsigned int i, const NzVector3f& normal)
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{
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m_mesh->SetNormal(i/m_vertexPerFrame, i%m_vertexPerFrame, normal);
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}
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void SetPosition(unsigned int i, const NzVector3f& position)
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{
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m_mesh->SetPosition(i/m_vertexPerFrame, i%m_vertexPerFrame, position);
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}
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void SetTangent(unsigned int i, const NzVector3f& tangent)
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{
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m_mesh->SetTangent(i/m_vertexPerFrame, i%m_vertexPerFrame, tangent);
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}
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void SetTexCoords(unsigned int i, const NzVector2f& texCoords)
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{
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m_mesh->SetTexCoords(i%m_vertexPerFrame, texCoords);
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}
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private:
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NzKeyframeMesh* m_mesh;
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unsigned int m_vertexPerFrame;
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};
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class SkeletalMeshVertexMapper : public SubMeshVertexMapper
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{
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public:
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SkeletalMeshVertexMapper(NzSubMesh* subMesh) :
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SubMeshVertexMapper(subMesh)
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{
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m_mesh = static_cast<NzSkeletalMesh*>(subMesh);
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m_vertices = reinterpret_cast<NzMeshVertex*>(m_mesh->GetBindPoseBuffer());
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m_mesh->AddResourceReference();
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}
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virtual ~SkeletalMeshVertexMapper() noexcept
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{
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m_mesh->RemoveResourceReference();
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}
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NzVector3f GetNormal(unsigned int i) const
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{
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return m_vertices[i].normal;
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}
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NzVector3f GetPosition(unsigned int i) const
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{
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return m_vertices[i].position;
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}
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NzVector3f GetTangent(unsigned int i) const
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{
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return m_vertices[i].tangent;
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}
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NzVector2f GetTexCoords(unsigned int i) const
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{
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return m_vertices[i].uv;
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}
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unsigned int GetTotalVertexCount() const
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{
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return m_mesh->GetVertexCount();
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}
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void SetNormal(unsigned int i, const NzVector3f& normal)
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{
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m_vertices[i].normal = normal;
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}
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void SetPosition(unsigned int i, const NzVector3f& position)
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{
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m_vertices[i].position = position;
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}
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void SetTangent(unsigned int i, const NzVector3f& tangent)
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{
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m_vertices[i].tangent = tangent;
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}
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void SetTexCoords(unsigned int i, const NzVector2f& texCoords)
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{
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m_vertices[i].uv = texCoords;
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}
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private:
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NzMeshVertex* m_vertices;
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NzSkeletalMesh* m_mesh;
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};
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class StaticMeshVertexMapper : public SubMeshVertexMapper
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{
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public:
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StaticMeshVertexMapper(NzSubMesh* subMesh) :
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SubMeshVertexMapper(subMesh),
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m_vertexMapper(subMesh->GetVertexBuffer(), nzBufferAccess_ReadWrite)
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{
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m_vertices = reinterpret_cast<NzMeshVertex*>(m_vertexMapper.GetPointer());
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}
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virtual ~StaticMeshVertexMapper() noexcept
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{
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}
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NzVector3f GetNormal(unsigned int i) const
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{
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return m_vertices[i].normal;
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}
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NzVector3f GetPosition(unsigned int i) const
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{
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return m_vertices[i].position;
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}
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NzVector3f GetTangent(unsigned int i) const
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{
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return m_vertices[i].tangent;
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}
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NzVector2f GetTexCoords(unsigned int i) const
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{
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return m_vertices[i].uv;
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}
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unsigned int GetTotalVertexCount() const
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{
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return m_vertexMapper.GetBuffer()->GetVertexCount();
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}
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void SetNormal(unsigned int i, const NzVector3f& normal)
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{
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m_vertices[i].normal = normal;
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}
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void SetPosition(unsigned int i, const NzVector3f& position)
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{
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m_vertices[i].position = position;
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}
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void SetTangent(unsigned int i, const NzVector3f& tangent)
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{
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m_vertices[i].tangent = tangent;
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}
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void SetTexCoords(unsigned int i, const NzVector2f& texCoords)
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{
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m_vertices[i].uv = texCoords;
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}
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private:
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NzBufferMapper<NzVertexBuffer> m_vertexMapper;
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NzMeshVertex* m_vertices;
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};
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}
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NzVertexMapper::NzVertexMapper(NzSubMesh* subMesh)
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{
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switch (subMesh->GetAnimationType())
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{
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case nzAnimationType_Keyframe:
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m_impl = new KeyframeMeshVertexMapper(subMesh);
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break;
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case nzAnimationType_Skeletal:
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m_impl = new SkeletalMeshVertexMapper(subMesh);
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break;
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case nzAnimationType_Static:
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m_impl = new StaticMeshVertexMapper(subMesh);
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break;
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}
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#ifdef NAZARA_DEBUG
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if (!m_impl)
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NazaraInternalError("No impl"); ///TODO: Internal, Unexpected
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#endif
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}
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NzVertexMapper::~NzVertexMapper()
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{
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delete m_impl;
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}
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NzVector3f NzVertexMapper::GetNormal(unsigned int i) const
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{
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return m_impl->GetNormal(i);
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}
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NzVector3f NzVertexMapper::GetPosition(unsigned int i) const
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{
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return m_impl->GetPosition(i);
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}
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NzVector3f NzVertexMapper::GetTangent(unsigned int i) const
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{
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return m_impl->GetTangent(i);
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}
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NzVector2f NzVertexMapper::GetTexCoords(unsigned int i) const
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{
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return m_impl->GetTexCoords(i);
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}
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unsigned int NzVertexMapper::GetTotalVertexCount()
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{
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return m_impl->GetTotalVertexCount();
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}
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void NzVertexMapper::SetNormal(unsigned int i, const NzVector3f& normal)
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{
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m_impl->SetNormal(i, normal);
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}
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void NzVertexMapper::SetPosition(unsigned int i, const NzVector3f& position)
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{
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m_impl->SetPosition(i, position);
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}
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void NzVertexMapper::SetTangent(unsigned int i, const NzVector3f& tangent)
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{
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m_impl->SetTangent(i, tangent);
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}
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void NzVertexMapper::SetTexCoords(unsigned int i, const NzVector2f& texCoords)
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{
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m_impl->SetTexCoords(i, texCoords);
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}
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