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b83b0dc15c
ADDED Support for importing GeometryCache assets from Alembic files ADDED CalculateRawMeshTangets function that only calculates the tangents without building the RawMesh [CL 2591762 by Jurre DeBaare in Main branch]
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Interfaces/Interface_AssetUserData.h"
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#include "GeometryCacheTrack.h"
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#include "GeometryCache.generated.h"
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/**
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* A Geometry Cache is a piece/set of geometry that consists of individual Mesh/Transformation samples.
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* In contrast with Static Meshes they can have their vertices animated in certain ways. *
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*/
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UCLASS(collapsecategories, hidecategories = Object, customconstructor, BlueprintType, config = Engine)
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class GEOMETRYCACHE_API UGeometryCache : public UObject, public IInterface_AssetUserData
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{
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GENERATED_UCLASS_BODY()
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public:
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/**
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* Default constructor
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*/
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UGeometryCache(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());
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// Begin UObject interface.
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virtual void Serialize(FArchive& Ar) override;
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virtual FString GetDesc() override;
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virtual SIZE_T GetResourceSize(EResourceSizeMode::Type Mode) override;
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virtual void GetAssetRegistryTags(TArray<FAssetRegistryTag>& OutTags) const override;
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virtual void BeginDestroy() override;
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virtual bool IsReadyForFinishDestroy() override;
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#if WITH_EDITOR
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virtual void PreEditChange(UProperty* PropertyAboutToChange) override;
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#endif // WITH_EDITOR
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static void AddReferencedObjects(UObject* InThis, FReferenceCollector& Collector);
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// End UObject interface.
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/**
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* AddTrack
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*
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* @param Track - GeometryCacheTrack instance that is a part of the GeometryCacheAsset
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* @return void
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*/
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void AddTrack(UGeometryCacheTrack* Track);
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/** Clears all stored data so the reimporting step can fill the instance again*/
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void ClearForReimporting();
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#if WITH_EDITORONLY_DATA
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/** Importing data and options used for this Geometry cache object*/
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UPROPERTY(Category = ImportSettings, VisibleAnywhere, Instanced)
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class UAssetImportData* AssetImportData;
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/** Information for thumbnail rendering */
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UPROPERTY(VisibleAnywhere, Instanced, Category = Thumbnail)
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class UThumbnailInfo* ThumbnailInfo;
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#endif
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/** GeometryCache track defining the samples/geometry data for this GeomCache instance */
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UPROPERTY(VisibleAnywhere, Category=GeometryCache)
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TArray<UGeometryCacheTrack*> Tracks;
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private:
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/** Storing the number of Vertex and RigidBody track for asset meta tags*/
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uint32 NumVertexAnimationTracks;
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uint32 NumTransformAnimationTracks;
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/** A fence which is used to keep track of the rendering thread releasing the static mesh resources. */
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FRenderCommandFence ReleaseResourcesFence;
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};
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