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1d6d62f191
#rb michael.lentine #fyi michal.valient, brian.karis, benn.gallagher [CL 13861053 by graham wihlidal in ue5-main branch]
667 lines
22 KiB
C++
667 lines
22 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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GeometryCollection.cpp: UGeometryCollection methods.
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=============================================================================*/
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#include "GeometryCollection/GeometryCollectionObject.h"
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#include "GeometryCollection/GeometryCollection.h"
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#include "GeometryCollection/GeometryCollectionCache.h"
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#include "UObject/DestructionObjectVersion.h"
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#include "UObject/UE5MainStreamObjectVersion.h"
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#include "Serialization/ArchiveCountMem.h"
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#include "HAL/IConsoleManager.h"
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#include "UObject/Package.h"
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#include "Materials/MaterialInstance.h"
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#include "ProfilingDebugging/CookStats.h"
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#if WITH_EDITOR
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#include "GeometryCollection/DerivedDataGeometryCollectionCooker.h"
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#include "DerivedDataCacheInterface.h"
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#include "Serialization/MemoryReader.h"
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#include "NaniteBuilder.h"
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#include "Rendering/NaniteResources.h"
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#endif
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#include "GeometryCollection/GeometryCollectionSimulationCoreTypes.h"
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#include "Chaos/ChaosArchive.h"
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#include "GeometryCollectionProxyData.h"
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DEFINE_LOG_CATEGORY_STATIC(UGeometryCollectionLogging, NoLogging, All);
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#if ENABLE_COOK_STATS
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namespace GeometryCollectionCookStats
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{
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static FCookStats::FDDCResourceUsageStats UsageStats;
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static FCookStatsManager::FAutoRegisterCallback RegisterCookStats([](FCookStatsManager::AddStatFuncRef AddStat)
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{
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UsageStats.LogStats(AddStat, TEXT("GeometryCollection.Usage"), TEXT(""));
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});
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}
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#endif
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UGeometryCollection::UGeometryCollection(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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, EnableNanite(false)
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, CollisionType(ECollisionTypeEnum::Chaos_Surface_Volumetric)
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, ImplicitType(EImplicitTypeEnum::Chaos_Implicit_Box)
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, MinLevelSetResolution(10)
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, MaxLevelSetResolution(10)
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, MinClusterLevelSetResolution(50)
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, MaxClusterLevelSetResolution(50)
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, CollisionObjectReductionPercentage(0.0f)
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, bMassAsDensity(false)
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, Mass(1.0f)
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, MinimumMassClamp(0.1f)
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, CollisionParticlesFraction(1.0f)
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, MaximumCollisionParticles(60)
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, EnableRemovePiecesOnFracture(false)
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, bRenderingResourcesInitialized(false)
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, GeometryCollection(new FGeometryCollection())
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{
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PersistentGuid = FGuid::NewGuid();
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InvalidateCollection();
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}
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FGeometryCollectionSizeSpecificData::FGeometryCollectionSizeSpecificData()
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: MaxSize(0.0f)
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, CollisionType(ECollisionTypeEnum::Chaos_Surface_Volumetric)
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, ImplicitType(EImplicitTypeEnum::Chaos_Implicit_Box)
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, MinLevelSetResolution(5)
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, MaxLevelSetResolution(10)
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, MinClusterLevelSetResolution(25)
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, MaxClusterLevelSetResolution(50)
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, CollisionObjectReductionPercentage(0.0f)
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, CollisionParticlesFraction(1.0f)
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, MaximumCollisionParticles(60)
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{
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}
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void FillSharedSimulationSizeSpecificData(FSharedSimulationSizeSpecificData& ToData, const FGeometryCollectionSizeSpecificData& FromData)
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{
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ToData.CollisionType = FromData.CollisionType;
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ToData.ImplicitType = FromData.ImplicitType;
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ToData.MaxSize = FromData.MaxSize;
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ToData.MinLevelSetResolution = FromData.MinLevelSetResolution;
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ToData.MaxLevelSetResolution = FromData.MaxLevelSetResolution;
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ToData.MinClusterLevelSetResolution = FromData.MinClusterLevelSetResolution;
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ToData.MaxClusterLevelSetResolution = FromData.MaxClusterLevelSetResolution;
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ToData.CollisionObjectReductionPercentage = FromData.CollisionObjectReductionPercentage;
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ToData.CollisionParticlesFraction = FromData.CollisionParticlesFraction;
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ToData.MaximumCollisionParticles = FromData.MaximumCollisionParticles;
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}
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float KgCm3ToKgM3(float Density)
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{
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return Density * 1000000;
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}
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float KgM3ToKgCm3(float Density)
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{
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return Density / 1000000;
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}
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void UGeometryCollection::GetSharedSimulationParams(FSharedSimulationParameters& OutParams) const
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{
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OutParams.bMassAsDensity = bMassAsDensity;
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OutParams.Mass = bMassAsDensity ? KgM3ToKgCm3(Mass) : Mass; //todo(ocohen): we still have the solver working in old units. This is mainly to fix ui issues. Long term need to normalize units for best precision
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OutParams.MinimumMassClamp = MinimumMassClamp;
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OutParams.MaximumCollisionParticleCount = MaximumCollisionParticles;
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FGeometryCollectionSizeSpecificData InfSize;
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InfSize.MaxSize = FLT_MAX;
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InfSize.CollisionType = CollisionType;
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InfSize.ImplicitType = ImplicitType;
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InfSize.MinLevelSetResolution = MinLevelSetResolution;
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InfSize.MaxLevelSetResolution = MaxLevelSetResolution;
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InfSize.MinClusterLevelSetResolution = MinClusterLevelSetResolution;
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InfSize.MaxClusterLevelSetResolution = MaxClusterLevelSetResolution;
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InfSize.CollisionObjectReductionPercentage = CollisionObjectReductionPercentage;
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InfSize.CollisionParticlesFraction = CollisionParticlesFraction;
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InfSize.MaximumCollisionParticles = MaximumCollisionParticles;
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OutParams.SizeSpecificData.SetNum(SizeSpecificData.Num() + 1);
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FillSharedSimulationSizeSpecificData(OutParams.SizeSpecificData[0], InfSize);
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for (int32 Idx = 0; Idx < SizeSpecificData.Num(); ++Idx)
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{
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FillSharedSimulationSizeSpecificData(OutParams.SizeSpecificData[Idx+1], SizeSpecificData[Idx]);
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}
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if (EnableRemovePiecesOnFracture)
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{
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FixupRemoveOnFractureMaterials(OutParams);
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}
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OutParams.SizeSpecificData.Sort(); //can we do this at editor time on post edit change?
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}
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void UGeometryCollection::FixupRemoveOnFractureMaterials(FSharedSimulationParameters& SharedParms) const
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{
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// Match RemoveOnFracture materials with materials in model and record the material indices
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int32 NumMaterials = Materials.Num();
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for (int32 MaterialIndex = 0; MaterialIndex < NumMaterials; MaterialIndex++)
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{
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UMaterialInterface* MaterialInfo = Materials[MaterialIndex];
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for (int32 ROFMaterialIndex = 0; ROFMaterialIndex < RemoveOnFractureMaterials.Num(); ROFMaterialIndex++)
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{
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if (MaterialInfo == RemoveOnFractureMaterials[ROFMaterialIndex])
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{
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SharedParms.RemoveOnFractureIndices.Add(MaterialIndex);
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break;
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}
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}
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}
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}
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/** AppendGeometry */
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int32 UGeometryCollection::AppendGeometry(const UGeometryCollection & Element, bool ReindexAllMaterials, const FTransform& TransformRoot)
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{
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Modify();
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InvalidateCollection();
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// add all materials
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// if there are none, we assume all material assignments in Element are shared by this GeometryCollection
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// otherwise, we assume all assignments come from the contained materials
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int32 MaterialIDOffset = 0;
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if (Element.Materials.Num() > 0)
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{
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MaterialIDOffset = Materials.Num();
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Materials.Append(Element.Materials);
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}
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return GeometryCollection->AppendGeometry(*Element.GetGeometryCollection(), MaterialIDOffset, ReindexAllMaterials, TransformRoot);
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}
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/** NumElements */
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int32 UGeometryCollection::NumElements(const FName & Group) const
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{
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return GeometryCollection->NumElements(Group);
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}
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/** RemoveElements */
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void UGeometryCollection::RemoveElements(const FName & Group, const TArray<int32>& SortedDeletionList)
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{
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Modify();
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GeometryCollection->RemoveElements(Group, SortedDeletionList);
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InvalidateCollection();
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}
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/** ReindexMaterialSections */
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void UGeometryCollection::ReindexMaterialSections()
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{
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Modify();
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GeometryCollection->ReindexMaterials();
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InvalidateCollection();
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}
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void UGeometryCollection::InitializeMaterials()
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{
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Modify();
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// Consolidate materials
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// add all materials to a set
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TSet<UMaterialInterface*> MaterialSet;
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for (UMaterialInterface* Curr : Materials)
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{
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MaterialSet.Add(Curr);
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}
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// create the final material array only containing unique materials
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// and one slot for each internal material
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TMap< UMaterialInterface *, int32> MaterialPtrToArrayIndex;
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TArray<UMaterialInterface*> FinalMaterials;
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for (UMaterialInterface *Curr : MaterialSet)
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{
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// Add base material
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TTuple< UMaterialInterface *, int32> CurrTuple(Curr, FinalMaterials.Add(Curr));
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MaterialPtrToArrayIndex.Add(CurrTuple);
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// Add interior material
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FinalMaterials.Add(Curr);
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}
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TManagedArray<int32>& MaterialID = GeometryCollection->MaterialID;
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// Reassign materialid for each face given the new consolidated array of materials
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for (int i = 0; i < MaterialID.Num(); ++i)
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{
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if (MaterialID[i] < Materials.Num())
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{
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UMaterialInterface* OldMaterialPtr = Materials[MaterialID[i]];
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MaterialID[i] = *MaterialPtrToArrayIndex.Find(OldMaterialPtr);
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}
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}
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// Set new material array on the collection
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Materials = FinalMaterials;
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// Last Material is the selection one
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UMaterialInterface* BoneSelectedMaterial = LoadObject<UMaterialInterface>(NULL, TEXT("/Engine/EditorMaterials/GeometryCollection/SelectedGeometryMaterial.SelectedGeometryMaterial"), NULL, LOAD_None, NULL);
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BoneSelectedMaterialIndex = Materials.Add(BoneSelectedMaterial);
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GeometryCollection->ReindexMaterials();
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InvalidateCollection();
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}
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/** Returns true if there is anything to render */
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bool UGeometryCollection::HasVisibleGeometry() const
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{
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if(ensureMsgf(GeometryCollection.IsValid(), TEXT("Geometry Collection %s has an invalid internal collection")))
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{
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return GeometryCollection->HasVisibleGeometry();
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}
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return false;
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}
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/** Serialize */
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void UGeometryCollection::Serialize(FArchive& Ar)
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{
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Ar.UsingCustomVersion(FDestructionObjectVersion::GUID);
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Ar.UsingCustomVersion(FUE5MainStreamObjectVersion::GUID);
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Chaos::FChaosArchive ChaosAr(Ar);
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#if WITH_EDITOR
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//Early versions did not have tagged properties serialize first
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if (Ar.CustomVer(FDestructionObjectVersion::GUID) < FDestructionObjectVersion::GeometryCollectionInDDC)
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{
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GeometryCollection->Serialize(ChaosAr);
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}
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if (Ar.CustomVer(FDestructionObjectVersion::GUID) < FDestructionObjectVersion::AddedTimestampedGeometryComponentCache)
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{
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if (Ar.IsLoading())
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{
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// Strip old recorded cache data
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int32 DummyNumFrames;
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TArray<TArray<FTransform>> DummyTransforms;
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Ar << DummyNumFrames;
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DummyTransforms.SetNum(DummyNumFrames);
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for (int32 Index = 0; Index < DummyNumFrames; ++Index)
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{
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Ar << DummyTransforms[Index];
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}
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}
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}
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else
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#endif
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{
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// Push up the chain to hit tagged properties too
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// This should have always been in here but because we have saved assets
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// from before this line was here it has to be gated
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Super::Serialize(Ar);
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}
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if (Ar.CustomVer(FDestructionObjectVersion::GUID) < FDestructionObjectVersion::DensityUnitsChanged)
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{
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if (bMassAsDensity)
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{
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Mass = KgCm3ToKgM3(Mass);
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}
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}
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bool bIsCookedOrCooking = Ar.IsCooking();
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if (Ar.CustomVer(FDestructionObjectVersion::GUID) >= FDestructionObjectVersion::GeometryCollectionInDDC)
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{
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Ar << bIsCookedOrCooking;
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}
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#if WITH_EDITOR
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if (Ar.CustomVer(FDestructionObjectVersion::GUID) == FDestructionObjectVersion::GeometryCollectionInDDC)
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{
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//This version only saved content into DDC so skip serializing, but copy from DDC at a specific version
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bool bCopyFromDDC = Ar.IsLoading();
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CreateSimulationDataImp(bCopyFromDDC, TEXT("8724C70A140146B5A2F4CF0C16083041"));
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}
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#endif
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//new versions serialize geometry collection after tagged properties
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if (Ar.CustomVer(FDestructionObjectVersion::GUID) >= FDestructionObjectVersion::GeometryCollectionInDDCAndAsset)
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{
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#if WITH_EDITOR
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if (Ar.IsSaving() && !Ar.IsTransacting())
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{
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CreateSimulationDataImp(/*bCopyFromDDC=*/false); //make sure content is built before saving
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}
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#endif
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GeometryCollection->Serialize(ChaosAr);
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// Fix up the type change for implicits here, previously they were unique ptrs, now they're shared
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TManagedArray<TUniquePtr<Chaos::FImplicitObject>>* OldAttr = GeometryCollection->FindAttributeTyped<TUniquePtr<Chaos::FImplicitObject>>(FGeometryDynamicCollection::ImplicitsAttribute, FTransformCollection::TransformGroup);
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TManagedArray<TSharedPtr<Chaos::FImplicitObject, ESPMode::ThreadSafe>>* NewAttr = GeometryCollection->FindAttributeTyped<TSharedPtr<Chaos::FImplicitObject, ESPMode::ThreadSafe>>(FGeometryDynamicCollection::SharedImplicitsAttribute, FTransformCollection::TransformGroup);
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if(OldAttr)
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{
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if(!NewAttr)
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{
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NewAttr = &GeometryCollection->AddAttribute<TSharedPtr<Chaos::FImplicitObject, ESPMode::ThreadSafe>>(FGeometryDynamicCollection::SharedImplicitsAttribute, FTransformCollection::TransformGroup);
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const int32 NumElems = GeometryCollection->NumElements(FTransformCollection::TransformGroup);
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for(int32 Index = 0; Index < NumElems; ++Index)
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{
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(*NewAttr)[Index] = TSharedPtr<Chaos::FImplicitObject, ESPMode::ThreadSafe>((*OldAttr)[Index].Release());
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}
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}
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GeometryCollection->RemoveAttribute(FGeometryDynamicCollection::ImplicitsAttribute, FTransformCollection::TransformGroup);
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}
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}
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if (Ar.CustomVer(FDestructionObjectVersion::GUID) < FDestructionObjectVersion::GroupAndAttributeNameRemapping)
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{
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GeometryCollection->UpdateOldAttributeNames();
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InvalidateCollection();
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#if WITH_EDITOR
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CreateSimulationData();
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#endif
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}
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if (Ar.CustomVer(FUE5MainStreamObjectVersion::GUID) >= FUE5MainStreamObjectVersion::GeometryCollectionNaniteData)
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{
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int32 NumNaniteResources = Ar.IsLoading() ? 0 : NaniteResources.Num();
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if (!EnableNanite)
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{
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// Avoid serializing stale Nanite data when support is disabled.
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// TODO: Should instead do this on toggle of the property?
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// TODO: Might never even need this, as NaniteResources may always be empty due to CreateNaniteData() running before
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NumNaniteResources = 0;
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}
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Ar << NumNaniteResources;
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if (NumNaniteResources == 0)
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{
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NaniteResources.Empty();
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}
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else
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{
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if (Ar.IsLoading())
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{
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NaniteResources.Reset(NumNaniteResources);
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NaniteResources.AddDefaulted(NumNaniteResources);
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}
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for (int32 ResourceIndex = 0; ResourceIndex < NumNaniteResources; ++ResourceIndex)
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{
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NaniteResources[ResourceIndex].Serialize(ChaosAr, this);
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}
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// Nanite data is currently 1:1 with each geometry group in the collection.
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const int32 NumGeometryGroups = GeometryCollection->NumElements(FGeometryCollection::GeometryGroup);
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if (NumGeometryGroups != NumNaniteResources)
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{
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Ar.SetError();
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}
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}
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if (!EnableNanite)
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{
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// Avoid serializing stale Nanite data when support is disabled.
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// TODO: Should instead do this on toggle of the property?
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NaniteResources.Empty();
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}
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}
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#if WITH_EDITOR
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//for all versions loaded, make sure sim data is up to date
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if (Ar.IsLoading())
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{
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CreateSimulationDataImp(/*bCopyFromDDC=*/ true); //make sure loaded content is built
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}
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#endif
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}
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#if WITH_EDITOR
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void UGeometryCollection::CreateSimulationDataImp(bool bCopyFromDDC, const TCHAR* OverrideVersion)
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{
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COOK_STAT(auto Timer = GeometryCollectionCookStats::UsageStats.TimeSyncWork());
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// Skips the DDC fetch entirely for testing the builder without adding to the DDC
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const static bool bSkipDDC = false;
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//Use the DDC to build simulation data. If we are loading in the editor we then serialize this data into the geometry collection
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TArray<uint8> DDCData;
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FDerivedDataGeometryCollectionCooker* GeometryCollectionCooker = new FDerivedDataGeometryCollectionCooker(*this);
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GeometryCollectionCooker->SetOverrideVersion(OverrideVersion);
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if (GeometryCollectionCooker->CanBuild())
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{
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if (bSkipDDC)
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{
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GeometryCollectionCooker->Build(DDCData);
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COOK_STAT(Timer.AddMiss(DDCData.Num()));
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}
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else
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{
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bool bBuilt = false;
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const bool bSuccess = GetDerivedDataCacheRef().GetSynchronous(GeometryCollectionCooker, DDCData, &bBuilt);
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COOK_STAT(Timer.AddHitOrMiss(!bSuccess || bBuilt ? FCookStats::CallStats::EHitOrMiss::Miss : FCookStats::CallStats::EHitOrMiss::Hit, DDCData.Num()));
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}
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if (bCopyFromDDC)
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{
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FMemoryReader Ar(DDCData);
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Chaos::FChaosArchive ChaosAr(Ar);
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GeometryCollection->Serialize(ChaosAr);
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}
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}
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}
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void UGeometryCollection::CreateSimulationData()
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{
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CreateSimulationDataImp(/*bCopyFromDDC=*/false);
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}
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TArray<Nanite::FResources>& UGeometryCollection::CreateNaniteData(FGeometryCollection* Collection)
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{
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TRACE_CPUPROFILER_EVENT_SCOPE_TEXT(TEXT("FDerivedDataGeometryCollectionCooker::Build::Nanite"));
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NaniteResources.Empty();
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if (!EnableNanite)
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{
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return NaniteResources;
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}
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Nanite::IBuilderModule& NaniteBuilderModule = Nanite::IBuilderModule::Get();
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// Transform Group
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const TManagedArray<int32>& TransformToGeometryIndexArray = Collection->TransformToGeometryIndex;
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const TManagedArray<int32>& SimulationTypeArray = Collection->SimulationType;
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const TManagedArray<int32>& StatusFlagsArray = Collection->StatusFlags;
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// Vertices Group
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const TManagedArray<FVector>& VertexArray = Collection->Vertex;
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const TManagedArray<FVector2D>& UVArray = Collection->UV;
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const TManagedArray<FLinearColor>& ColorArray = Collection->Color;
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const TManagedArray<FVector>& TangentUArray = Collection->TangentU;
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const TManagedArray<FVector>& TangentVArray = Collection->TangentV;
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const TManagedArray<FVector>& NormalArray = Collection->Normal;
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const TManagedArray<int32>& BoneMapArray = Collection->BoneMap;
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// Faces Group
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const TManagedArray<FIntVector>& IndicesArray = Collection->Indices;
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const TManagedArray<bool>& VisibleArray = Collection->Visible;
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const TManagedArray<int32>& MaterialIndexArray = Collection->MaterialIndex;
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const TManagedArray<int32>& MaterialIDArray = Collection->MaterialID;
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|
|
|
// Geometry Group
|
|
const TManagedArray<int32>& TransformIndexArray = Collection->TransformIndex;
|
|
const TManagedArray<FBox>& BoundingBoxArray = Collection->BoundingBox;
|
|
const TManagedArray<float>& InnerRadiusArray = Collection->InnerRadius;
|
|
const TManagedArray<float>& OuterRadiusArray = Collection->OuterRadius;
|
|
const TManagedArray<int32>& VertexStartArray = Collection->VertexStart;
|
|
const TManagedArray<int32>& VertexCountArray = Collection->VertexCount;
|
|
const TManagedArray<int32>& FaceStartArray = Collection->FaceStart;
|
|
const TManagedArray<int32>& FaceCountArray = Collection->FaceCount;
|
|
|
|
// Material Group
|
|
const TManagedArray<FGeometryCollectionSection>& Sections = Collection->Sections;
|
|
|
|
int32 NumGeometry = Collection->NumElements(FGeometryCollection::GeometryGroup);
|
|
NaniteResources.AddDefaulted(NumGeometry);
|
|
|
|
for (int32 GeometryGroupIndex = 0; GeometryGroupIndex < NumGeometry; GeometryGroupIndex++)
|
|
{
|
|
Nanite::FResources& NaniteResource = NaniteResources[GeometryGroupIndex];
|
|
NaniteResource = {};
|
|
|
|
uint32 NumTexCoords = 1;// NumTextureCoord;
|
|
bool bHasColors = false;// true;
|
|
|
|
const int32 VertexStart = VertexStartArray[GeometryGroupIndex];
|
|
const int32 VertexCount = VertexCountArray[GeometryGroupIndex];
|
|
|
|
TArray<FStaticMeshBuildVertex> BuildVertices;
|
|
BuildVertices.Reserve(VertexCount);
|
|
for (int32 VertexIndex = 0; VertexIndex < VertexCount; ++VertexIndex)
|
|
{
|
|
FStaticMeshBuildVertex& Vertex = BuildVertices.Emplace_GetRef();
|
|
Vertex.Position = VertexArray[VertexStart + VertexIndex];
|
|
Vertex.Color = FColor::White;
|
|
Vertex.UVs[0] = UVArray[VertexStart + VertexIndex];
|
|
}
|
|
|
|
const int32 FaceStart = FaceStartArray[GeometryGroupIndex];
|
|
const int32 FaceCount = FaceCountArray[GeometryGroupIndex];
|
|
|
|
TArray<FStaticMeshSection, TInlineAllocator<1>> BuildSections;
|
|
// TODO: Respect multiple materials like in FGeometryCollectionConversion::AppendStaticMesh
|
|
// TODO: Cleanup super section hack
|
|
BuildSections.Reserve(FaceCount);
|
|
|
|
TArray<uint32> BuildIndices;
|
|
BuildIndices.Reserve(FaceCount * 3);
|
|
for (int32 FaceIndex = 0; FaceIndex < FaceCount; ++FaceIndex)
|
|
{
|
|
const FIntVector FaceIndices = IndicesArray[FaceStart + FaceIndex];
|
|
BuildIndices.Add(FaceIndices.X - VertexStart);// -(FaceStart * 3));
|
|
BuildIndices.Add(FaceIndices.Y - VertexStart);// -(FaceStart * 3));
|
|
BuildIndices.Add(FaceIndices.Z - VertexStart);// -(FaceStart * 3));
|
|
|
|
// TODO: Cleanup super hack
|
|
FStaticMeshSection& BuildSection = BuildSections.Emplace_GetRef();
|
|
BuildSection.MaterialIndex = MaterialIDArray[FaceStart + FaceIndex];
|
|
BuildSection.FirstIndex = FaceIndex * 3;
|
|
BuildSection.MinVertexIndex = BuildSection.FirstIndex;
|
|
BuildSection.MaxVertexIndex = BuildSection.FirstIndex;
|
|
BuildSection.NumTriangles = 1;
|
|
}
|
|
|
|
FMeshNaniteSettings NaniteSettings = {};
|
|
NaniteSettings.bEnabled = true;
|
|
NaniteSettings.PercentTriangles = 1.0f; // 100% - no reduction
|
|
|
|
if (!NaniteBuilderModule.Build(NaniteResource, BuildVertices, BuildIndices, BuildSections, NumTexCoords, bHasColors, NaniteSettings))
|
|
{
|
|
UE_LOG(LogStaticMesh, Error, TEXT("Failed to build Nanite for geometry collection. See previous line(s) for details."));
|
|
}
|
|
}
|
|
|
|
return NaniteResources;
|
|
}
|
|
|
|
#endif
|
|
|
|
void UGeometryCollection::InitResources()
|
|
{
|
|
//LLM_SCOPE(ELLMTag::GeometryCollection);
|
|
|
|
ReleaseResources();
|
|
|
|
for (Nanite::FResources& Resource : NaniteResources)
|
|
{
|
|
// Skip resources that have their render data stripped
|
|
if (Resource.PageStreamingStates.Num() > 0)
|
|
{
|
|
Resource.InitResources();
|
|
}
|
|
}
|
|
|
|
bRenderingResourcesInitialized = true;
|
|
}
|
|
|
|
void UGeometryCollection::ReleaseResources()
|
|
{
|
|
if (bRenderingResourcesInitialized)
|
|
{
|
|
for (Nanite::FResources& Resource : NaniteResources)
|
|
{
|
|
if (Resource.PageStreamingStates.Num() > 0)
|
|
{
|
|
Resource.ReleaseResources();
|
|
}
|
|
}
|
|
|
|
bRenderingResourcesInitialized = false;
|
|
}
|
|
}
|
|
|
|
void UGeometryCollection::InvalidateCollection()
|
|
{
|
|
StateGuid = FGuid::NewGuid();
|
|
}
|
|
|
|
FGuid UGeometryCollection::GetIdGuid() const
|
|
{
|
|
return PersistentGuid;
|
|
}
|
|
|
|
FGuid UGeometryCollection::GetStateGuid() const
|
|
{
|
|
return StateGuid;
|
|
}
|
|
|
|
#if WITH_EDITOR
|
|
void UGeometryCollection::PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent)
|
|
{
|
|
if (PropertyChangedEvent.Property && PropertyChangedEvent.Property->GetFName() != GET_MEMBER_NAME_CHECKED(UGeometryCollection, Materials))
|
|
{
|
|
InvalidateCollection();
|
|
CreateSimulationData();
|
|
}
|
|
}
|
|
|
|
bool UGeometryCollection::Modify(bool bAlwaysMarkDirty /*= true*/)
|
|
{
|
|
bool bSuperResult = Super::Modify(bAlwaysMarkDirty);
|
|
|
|
UPackage* Package = GetOutermost();
|
|
if(Package->IsDirty())
|
|
{
|
|
InvalidateCollection();
|
|
}
|
|
|
|
return bSuperResult;
|
|
}
|
|
|
|
void UGeometryCollection::EnsureDataIsCooked()
|
|
{
|
|
if (StateGuid != LastBuiltGuid)
|
|
{
|
|
CreateSimulationDataImp(/*bCopyFromDDC=*/ true);
|
|
LastBuiltGuid = StateGuid;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void UGeometryCollection::PostLoad()
|
|
{
|
|
Super::PostLoad();
|
|
|
|
// initialize rendering resources
|
|
if (FApp::CanEverRender())
|
|
{
|
|
InitResources();
|
|
}
|
|
}
|
|
|
|
void UGeometryCollection::BeginDestroy()
|
|
{
|
|
Super::BeginDestroy();
|
|
|
|
ReleaseResources();
|
|
}
|