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66 lines
3.0 KiB
C++
66 lines
3.0 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <SceneAPI/SceneCore/Components/GenerationComponent.h>
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#include <SceneAPI/SceneCore/Containers/Scene.h>
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#include <AzCore/RTTI/RTTI.h>
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namespace AZ::SceneAPI::DataTypes { class IMeshData; }
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namespace AZ::SceneAPI::DataTypes { class IMeshVertexUVData; }
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namespace AZ::SceneAPI::DataTypes { class IMeshVertexTangentData; }
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namespace AZ::SceneAPI::DataTypes { class IMeshVertexBitangentData; }
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namespace AZ::SceneAPI::DataTypes { enum class TangentSpace; }
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namespace AZ::SceneData::GraphData
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{
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class BlendShapeData;
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}
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namespace AZ::SceneGenerationComponents
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{
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struct TangentGenerateContext
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: public AZ::SceneAPI::Events::ICallContext
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{
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AZ_RTTI(TangentGenerateContext, "{E836F8F8-5A66-497C-89CC-2D37D741CCAA}", AZ::SceneAPI::Events::ICallContext)
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TangentGenerateContext(AZ::SceneAPI::Containers::Scene& scene)
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: m_scene(scene) {}
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TangentGenerateContext& operator=(const TangentGenerateContext& other) = delete;
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AZ::SceneAPI::Containers::Scene& GetScene() { return m_scene; }
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const AZ::SceneAPI::Containers::Scene& GetScene() const { return m_scene; }
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private:
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AZ::SceneAPI::Containers::Scene& m_scene;
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};
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class TangentGenerateComponent
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: public AZ::SceneAPI::SceneCore::GenerationComponent
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{
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public:
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AZ_COMPONENT(TangentGenerateComponent, "{57743E6F-8718-491C-8A82-24A6763904F5}", AZ::SceneAPI::SceneCore::GenerationComponent);
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TangentGenerateComponent();
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static void Reflect(AZ::ReflectContext* context);
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static bool CreateTangentBitangentLayers(AZ::SceneAPI::Containers::SceneManifest& manifest, const AZ::SceneAPI::Containers::SceneGraph::NodeIndex& nodeIndex, size_t numVerts, size_t uvSetIndex, AZ::SceneAPI::DataTypes::TangentSpace tangentSpace,
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const char* spaceName, AZ::SceneAPI::Containers::SceneGraph& graph, AZ::SceneAPI::DataTypes::IMeshVertexTangentData** outTangentData, AZ::SceneAPI::DataTypes::IMeshVertexBitangentData** outBitangentData);
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AZ::SceneAPI::Events::ProcessingResult GenerateTangentData(TangentGenerateContext& context);
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private:
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void FindBlendShapes(
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AZ::SceneAPI::Containers::SceneGraph& graph, const AZ::SceneAPI::Containers::SceneGraph::NodeIndex& nodeIndex,
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AZStd::vector<AZ::SceneData::GraphData::BlendShapeData*>& outBlendShapes) const;
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bool GenerateTangentsForMesh(AZ::SceneAPI::Containers::Scene& scene, const AZ::SceneAPI::Containers::SceneGraph::NodeIndex& nodeIndex, AZ::SceneAPI::DataTypes::IMeshData* meshData);
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void UpdateFbxTangentWValues(AZ::SceneAPI::Containers::SceneGraph& graph, const AZ::SceneAPI::Containers::SceneGraph::NodeIndex& nodeIndex, const AZ::SceneAPI::DataTypes::IMeshData* meshData);
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AZStd::vector<AZ::SceneAPI::DataTypes::TangentSpace> CollectRequiredTangentSpaces(const AZ::SceneAPI::Containers::Scene& scene) const;
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};
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} // namespace AZ::SceneGenerationComponents
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