Graphics: Add billboard class
Former-commit-id: bc898f00aa78dd42f61d34ce743ed9a73dce55f6
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics 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_BILLBOARD_HPP
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#define NAZARA_BILLBOARD_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Graphics/InstancedRenderable.hpp>
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#include <Nazara/Graphics/Material.hpp>
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class NzBillboard;
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using NzBillboardConstRef = NzObjectRef<const NzBillboard>;
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using NzBillboardLibrary = NzObjectLibrary<NzBillboard>;
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using NzBillboardRef = NzObjectRef<NzBillboard>;
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class NAZARA_GRAPHICS_API NzBillboard : public NzInstancedRenderable
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{
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public:
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inline NzBillboard();
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inline NzBillboard(NzMaterialRef material);
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inline NzBillboard(NzTexture* texture);
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inline NzBillboard(const NzBillboard& billboard);
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~NzBillboard() = default;
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void AddToRenderQueue(NzAbstractRenderQueue* renderQueue, const InstanceData& instanceData) const override;
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inline const NzColor& GetColor() const;
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inline const NzMaterialRef& GetMaterial() const;
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inline float GetRotation() const;
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inline const NzVector2f& GetSize() const;
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inline void SetColor(const NzColor& color);
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inline void SetDefaultMaterial();
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inline void SetMaterial(NzMaterialRef material, bool resizeBillboard = true);
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inline void SetRotation(float rotation);
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inline void SetSize(const NzVector2f& size);
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inline void SetSize(float sizeX, float sizeY);
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inline void SetTexture(NzTextureRef texture, bool resizeBillboard = true);
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inline NzBillboard& operator=(const NzBillboard& billboard);
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template<typename... Args> static NzBillboardRef New(Args&&... args);
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private:
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void MakeBoundingVolume() const override;
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NzColor m_color;
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NzMaterialRef m_material;
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NzVector2f m_sinCos;
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NzVector2f m_size;
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float m_rotation;
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static NzBillboardLibrary::LibraryMap s_library;
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};
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#include <Nazara/Graphics/Billboard.inl>
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#endif // NAZARA_BILLBOARD_HPP
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <memory>
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#include <Nazara/Graphics/Debug.hpp>
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inline NzBillboard::NzBillboard()
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{
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SetColor(NzColor::White);
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SetDefaultMaterial();
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SetRotation(0.f);
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SetSize(64.f, 64.f);
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}
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inline NzBillboard::NzBillboard(NzMaterialRef material)
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{
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SetColor(NzColor::White);
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SetMaterial(std::move(material), true);
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SetRotation(0.f);
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SetSize(64.f, 64.f);
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}
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inline NzBillboard::NzBillboard(NzTexture* texture)
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{
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SetColor(NzColor::White);
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SetRotation(0.f);
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SetSize(64.f, 64.f);
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SetTexture(texture, true);
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}
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inline NzBillboard::NzBillboard(const NzBillboard& billboard) :
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NzInstancedRenderable(billboard),
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m_color(billboard.m_color),
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m_material(billboard.m_material),
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m_rotation(billboard.m_rotation),
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m_sinCos(billboard.m_sinCos),
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m_size(billboard.m_size)
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{
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}
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inline const NzColor& NzBillboard::GetColor() const
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{
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return m_color;
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}
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inline const NzMaterialRef& NzBillboard::GetMaterial() const
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{
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return m_material;
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}
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inline float NzBillboard::GetRotation() const
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{
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return m_rotation;
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}
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inline const NzVector2f& NzBillboard::GetSize() const
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{
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return m_size;
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}
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inline void NzBillboard::SetColor(const NzColor& color)
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{
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m_color = color;
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}
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inline void NzBillboard::SetDefaultMaterial()
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{
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NzMaterialRef material = NzMaterial::New();
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material->Enable(nzRendererParameter_FaceCulling, true);
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material->EnableLighting(false);
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SetMaterial(std::move(material));
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}
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inline void NzBillboard::SetMaterial(NzMaterialRef material, bool resizeBillboard)
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{
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m_material = std::move(material);
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if (m_material && resizeBillboard)
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{
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NzTexture* diffuseMap = m_material->GetDiffuseMap();
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if (diffuseMap && diffuseMap->IsValid())
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SetSize(NzVector2f(NzVector2ui(diffuseMap->GetSize())));
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}
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}
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inline void NzBillboard::SetRotation(float rotation)
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{
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m_rotation = rotation;
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m_sinCos.Set(std::sin(m_rotation), std::cos(m_rotation));
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}
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inline void NzBillboard::SetSize(const NzVector2f& size)
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{
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m_size = size;
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// On invalide la bounding box
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InvalidateBoundingVolume();
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}
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inline void NzBillboard::SetSize(float sizeX, float sizeY)
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{
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SetSize(NzVector2f(sizeX, sizeY));
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}
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inline void NzBillboard::SetTexture(NzTextureRef texture, bool resizeBillboard)
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{
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if (!m_material)
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SetDefaultMaterial();
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else if (m_material->GetReferenceCount() > 1)
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m_material = NzMaterial::New(*m_material); // Copie
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if (resizeBillboard && texture && texture->IsValid())
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SetSize(NzVector2f(NzVector2ui(texture->GetSize())));
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m_material->SetDiffuseMap(std::move(texture));
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}
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inline NzBillboard& NzBillboard::operator=(const NzBillboard& billboard)
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{
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NzInstancedRenderable::operator=(billboard);
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m_color = billboard.m_color;
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m_material = billboard.m_material;
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m_size = billboard.m_size;
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InvalidateBoundingVolume();
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return *this;
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}
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template<typename... Args>
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NzBillboardRef NzBillboard::New(Args&&... args)
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{
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std::unique_ptr<NzBillboard> object(new NzBillboard(std::forward<Args>(args)...));
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object->SetPersistent(false);
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return object.release();
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}
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#include <Nazara/Graphics/DebugOff.hpp>
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@ -0,0 +1,28 @@
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Graphics/Billboard.hpp>
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#include <Nazara/Graphics/AbstractRenderQueue.hpp>
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#include <Nazara/Graphics/AbstractViewer.hpp>
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#include <Nazara/Math/Algorithm.hpp>
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#include <cstring>
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#include <memory>
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#include <Nazara/Graphics/Debug.hpp>
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void NzBillboard::AddToRenderQueue(NzAbstractRenderQueue* renderQueue, const InstanceData& instanceData) const
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{
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if (!m_material)
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return;
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renderQueue->AddBillboard(m_material, instanceData.transformMatrix.GetTranslation(), m_size, m_sinCos, m_color);
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}
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void NzBillboard::MakeBoundingVolume() const
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{
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constexpr float sqrt2 = float(M_SQRT2);
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m_boundingVolume.Set(NzVector3f(0.f), sqrt2*m_size.x*NzVector3f::Right() + sqrt2*m_size.y*NzVector3f::Down());
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}
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NzBillboardLibrary::LibraryMap NzBillboard::s_library;
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