Cesium3DTileset.h

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// Copyright 2020-2024 CesiumGS, Inc. and Contributors
 
#pragma once
 
#include "Cesium3DTilesSelection/Tileset.h"
#include "Cesium3DTilesSelection/ViewState.h"
#include "Cesium3DTilesSelection/ViewUpdateResult.h"
#include "Cesium3DTilesetLoadFailureDetails.h"
#include "CesiumCreditSystem.h"
#include "CesiumEncodedMetadataComponent.h"
#include "CesiumFeaturesMetadataComponent.h"
#include "CesiumGeoreference.h"
#include "CesiumIonServer.h"
#include "CesiumPointCloudShading.h"
#include "CesiumSampleHeightResult.h"
#include "CoreMinimal.h"
#include "CustomDepthParameters.h"
#include "Engine/EngineTypes.h"
#include "GameFramework/Actor.h"
#include "Interfaces/IHttpRequest.h"
#include "PrimitiveSceneProxy.h"
#include <PhysicsEngine/BodyInstance.h>
#include <atomic>
#include <chrono>
#include <glm/mat4x4.hpp>
#include <unordered_map>
#include <vector>
#include "Cesium3DTileset.generated.h"
 
#ifdef CESIUM_DEBUG_TILE_STATES
#include <Cesium3DTilesSelection/DebugTileStateDatabase.h>
#endif
 
class UMaterialInterface;
class ACesiumCartographicSelection;
class ACesiumCameraManager;
class UCesiumBoundingVolumePoolComponent;
class CesiumViewExtension;
struct FCesiumCamera;
 
namespace Cesium3DTilesSelection {
class Tileset;
class TilesetView;
class TileOcclusionRendererProxyPool;
} // namespace Cesium3DTilesSelection
 
DECLARE_MULTICAST_DELEGATE_OneParam(
    FCesium3DTilesetLoadFailure,
    const FCesium3DTilesetLoadFailureDetails&);
 
DECLARE_DELEGATE_ThreeParams(
    FCesiumSampleHeightMostDetailedCallback,
    ACesium3DTileset*,
    const TArray<FCesiumSampleHeightResult>&,
    const TArray<FString>&);
 
DECLARE_DYNAMIC_MULTICAST_DELEGATE(FCompletedLoadTrigger);
 
CESIUMRUNTIME_API extern FCesium3DTilesetLoadFailure
    OnCesium3DTilesetLoadFailure;
 
UENUM(BlueprintType)
enum class ETilesetSource : uint8 {
  FromCesiumIon UMETA(DisplayName = "From Cesium Ion"),
 
  FromUrl UMETA(DisplayName = "From Url"),
 
  FromEllipsoid UMETA(DisplayName = "From Ellipsoid")
};
 
UENUM(BlueprintType)
enum class EApplyDpiScaling : uint8 { Yes, No, UseProjectDefault };
 
UCLASS()
class CESIUMRUNTIME_API ACesium3DTileset : public AActor {
  GENERATED_BODY()
 
public:
  ACesium3DTileset();
  virtual ~ACesium3DTileset();
 
private:
  UPROPERTY(VisibleAnywhere, Category = "Cesium") USceneComponent* Root;
 
  UPROPERTY(
      Meta =
          (AllowPrivateAccess,
           DeprecatedProperty,
           DeprecationMessage =
               "Use the Mobility property on the RootComponent instead."))
  TEnumAsByte<EComponentMobility::Type> Mobility_DEPRECATED =
      EComponentMobility::Static;
 
public:
  UFUNCTION(BlueprintCallable, meta = (DeprecatedFunction))
  EComponentMobility::Type GetMobility() const {
    return this->RootComponent->Mobility;
  }
  UFUNCTION(BlueprintCallable, meta = (DeprecatedFunction))
  void SetMobility(EComponentMobility::Type NewMobility);
 
  void SampleHeightMostDetailed(
      const TArray<FVector>& LongitudeLatitudeHeightArray,
      FCesiumSampleHeightMostDetailedCallback OnHeightsSampled);
 
private:
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      BlueprintGetter = GetGeoreference,
      BlueprintSetter = SetGeoreference,
      Category = "Cesium",
      Meta = (AllowPrivateAccess))
  TSoftObjectPtr<ACesiumGeoreference> Georeference;
 
  UPROPERTY(
      Transient,
      VisibleAnywhere,
      BlueprintReadOnly,
      Category = "Cesium",
      Meta = (AllowPrivateAccess))
  ACesiumGeoreference* ResolvedGeoreference = nullptr;
 
public:
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  TSoftObjectPtr<ACesiumGeoreference> GetGeoreference() const;
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  void SetGeoreference(TSoftObjectPtr<ACesiumGeoreference> NewGeoreference);
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  ACesiumGeoreference* ResolveGeoreference();
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  void InvalidateResolvedGeoreference();
 
private:
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      BlueprintGetter = GetCreditSystem,
      BlueprintSetter = SetCreditSystem,
      Category = "Cesium",
      Meta = (AllowPrivateAccess))
  TSoftObjectPtr<ACesiumCreditSystem> CreditSystem;
 
  UPROPERTY(
      Transient,
      BlueprintReadOnly,
      Category = "Cesium",
      Meta = (AllowPrivateAccess))
  ACesiumCreditSystem* ResolvedCreditSystem = nullptr;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      BlueprintGetter = GetCameraManager,
      BlueprintSetter = SetCameraManager,
      Category = "Cesium",
      Meta = (AllowPrivateAccess))
  TSoftObjectPtr<ACesiumCameraManager> CameraManager;
 
  UPROPERTY(
      Transient,
      BlueprintReadOnly,
      Category = "Cesium",
      Meta = (AllowPrivateAccess))
  ACesiumCameraManager* ResolvedCameraManager = nullptr;
 
  UPROPERTY(
      Transient,
      BlueprintReadOnly,
      Category = "Cesium",
      Meta = (AllowPrivateAccess))
  UCesiumBoundingVolumePoolComponent* BoundingVolumePoolComponent = nullptr;
 
  TSharedPtr<CesiumViewExtension, ESPMode::ThreadSafe> _cesiumViewExtension =
      nullptr;
 
public:
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  TSoftObjectPtr<ACesiumCreditSystem> GetCreditSystem() const;
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  void SetCreditSystem(TSoftObjectPtr<ACesiumCreditSystem> NewCreditSystem);
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  ACesiumCreditSystem* ResolveCreditSystem();
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  void InvalidateResolvedCreditSystem();
 
  UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Cesium")
  bool ShowCreditsOnScreen = false;
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  TSoftObjectPtr<ACesiumCameraManager> GetCameraManager() const;
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetCameraManager(TSoftObjectPtr<ACesiumCameraManager> NewCameraManager);
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  ACesiumCameraManager* ResolveCameraManager();
 
  UFUNCTION(BlueprintCallable, Category = "Cesium")
  void InvalidateResolvedCameraManager();
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetMaximumScreenSpaceError,
      BlueprintSetter = SetMaximumScreenSpaceError,
      Category = "Cesium|Level of Detail",
      meta = (ClampMin = 0.0))
  double MaximumScreenSpaceError = 16.0;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      Category = "Cesium|Level of Detail")
  EApplyDpiScaling ApplyDpiScaling = EApplyDpiScaling::UseProjectDefault;
 
  UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Cesium|Tile Loading")
  bool PreloadAncestors = true;
 
  UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Cesium|Tile Loading")
  bool PreloadSiblings = true;
 
  UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Cesium|Tile Loading")
  bool ForbidHoles = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      Category = "Cesium|Tile Loading",
      meta = (ClampMin = 0))
  int32 MaximumSimultaneousTileLoads = 20;
 
  UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Cesium|Tile Loading")
  int64 MaximumCachedBytes = 256 * 1024 * 1024;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      Category = "Cesium|Tile Loading",
      meta = (ClampMin = 0))
  int32 LoadingDescendantLimit = 20;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      Category = "Cesium|Tile Culling",
      Meta = (EditCondition = "!UseLodTransitions", EditConditionHides))
  bool EnableFrustumCulling = true;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      Category = "Cesium|Tile Culling",
      Meta = (EditCondition = "!UseLodTransitions", EditConditionHides))
  bool EnableFogCulling = true;
 
  UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Cesium|Tile Culling")
  bool EnforceCulledScreenSpaceError = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      Category = "Cesium|Tile Culling",
      meta = (EditCondition = "EnforceCulledScreenSpaceError", ClampMin = 0.0))
  double CulledScreenSpaceError = 64.0;
 
  // This mirrors
  // UCesiumRuntimeSettings::EnableExperimentalOcclusionCullingFeature so that
  // it can be used as an EditCondition.
  UPROPERTY(Transient, VisibleDefaultsOnly, Category = "Cesium|Tile Occlusion")
  bool CanEnableOcclusionCulling = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetEnableOcclusionCulling,
      BlueprintSetter = SetEnableOcclusionCulling,
      Category = "Cesium|Tile Occlusion",
      meta = (EditCondition = "CanEnableOcclusionCulling"))
  bool EnableOcclusionCulling = true;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetOcclusionPoolSize,
      BlueprintSetter = SetOcclusionPoolSize,
      Category = "Cesium|Tile Occlusion",
      meta =
          (EditCondition =
               "EnableOcclusionCulling && CanEnableOcclusionCulling",
           ClampMin = "0",
           ClampMax = "1000"))
  int32 OcclusionPoolSize = 500;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetDelayRefinementForOcclusion,
      BlueprintSetter = SetDelayRefinementForOcclusion,
      Category = "Cesium|Tile Occlusion",
      meta =
          (EditCondition =
               "EnableOcclusionCulling && CanEnableOcclusionCulling"))
  bool DelayRefinementForOcclusion = true;
 
  UFUNCTION(CallInEditor, BlueprintCallable, Category = "Cesium")
  void RefreshTileset();
 
  UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Cesium|Debug")
  bool SuspendUpdate;
 
  UPROPERTY(EditAnywhere, Category = "Cesium|Debug")
  bool UpdateInEditor = true;
 
  UPROPERTY(EditAnywhere, Category = "Cesium|Debug")
  bool LogSelectionStats = false;
 
  UPROPERTY(EditAnywhere, Category = "Cesium|Debug")
  bool LogSharedAssetStats = false;
 
  UPROPERTY(EditAnywhere, Category = "Cesium|Debug")
  bool DrawTileInfo = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadOnly,
      Category = "Collision",
      meta = (ShowOnlyInnerProperties, SkipUCSModifiedProperties))
  FBodyInstance BodyInstance;
 
  UPROPERTY(BlueprintAssignable, Category = "Cesium");
  FCompletedLoadTrigger OnTilesetLoaded;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetUseLodTransitions,
      BlueprintSetter = SetUseLodTransitions,
      Category = "Cesium|Rendering")
  bool UseLodTransitions = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintReadWrite,
      Category = "Cesium|Rendering",
      meta = (EditCondition = "UseLodTransitions", EditConditionHides))
  float LodTransitionLength = 0.5f;
 
private:
  UPROPERTY(BlueprintGetter = GetLoadProgress, Category = "Cesium")
  float LoadProgress = 0.0f;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetTilesetSource,
      BlueprintSetter = SetTilesetSource,
      Category = "Cesium",
      meta = (DisplayName = "Source"))
  ETilesetSource TilesetSource = ETilesetSource::FromCesiumIon;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetUrl,
      BlueprintSetter = SetUrl,
      Category = "Cesium",
      meta = (EditCondition = "TilesetSource==ETilesetSource::FromUrl"))
  FString Url = "";
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetIonAssetID,
      BlueprintSetter = SetIonAssetID,
      Category = "Cesium",
      meta =
          (EditCondition = "TilesetSource==ETilesetSource::FromCesiumIon",
           ClampMin = 0))
  int64 IonAssetID;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetIonAccessToken,
      BlueprintSetter = SetIonAccessToken,
      Category = "Cesium",
      meta = (EditCondition = "TilesetSource==ETilesetSource::FromCesiumIon"))
  FString IonAccessToken;
 
  UPROPERTY(
      meta =
          (DeprecatedProperty,
           DeprecationMessage = "Use CesiumIonServer instead."))
  FString IonAssetEndpointUrl_DEPRECATED;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetCesiumIonServer,
      BlueprintSetter = SetCesiumIonServer,
      Category = "Cesium",
      AdvancedDisplay,
      meta = (EditCondition = "TilesetSource==ETilesetSource::FromCesiumIon"))
  UCesiumIonServer* CesiumIonServer;
 
  UFUNCTION(CallInEditor, Category = "Cesium")
  void TroubleshootToken();
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetCreatePhysicsMeshes,
      BlueprintSetter = SetCreatePhysicsMeshes,
      Category = "Cesium|Physics")
  bool CreatePhysicsMeshes = true;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetCreateNavCollision,
      BlueprintSetter = SetCreateNavCollision,
      Category = "Cesium|Navigation")
  bool CreateNavCollision = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetAlwaysIncludeTangents,
      BlueprintSetter = SetAlwaysIncludeTangents,
      Category = "Cesium|Rendering")
  bool AlwaysIncludeTangents = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetGenerateSmoothNormals,
      BlueprintSetter = SetGenerateSmoothNormals,
      Category = "Cesium|Rendering")
  bool GenerateSmoothNormals = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetEnableWaterMask,
      BlueprintSetter = SetEnableWaterMask,
      Category = "Cesium|Rendering",
      meta = (EditCondition = "!bIsMac"))
  bool EnableWaterMask = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetIgnoreKhrMaterialsUnlit,
      BlueprintSetter = SetIgnoreKhrMaterialsUnlit,
      Category = "Cesium|Rendering",
      meta = (DisplayName = "Ignore KHR_materials_unlit"))
  bool IgnoreKhrMaterialsUnlit = false;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetMaterial,
      BlueprintSetter = SetMaterial,
      Category = "Cesium|Rendering")
  UMaterialInterface* Material = nullptr;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetTranslucentMaterial,
      BlueprintSetter = SetTranslucentMaterial,
      Category = "Cesium|Rendering")
  UMaterialInterface* TranslucentMaterial = nullptr;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetWaterMaterial,
      BlueprintSetter = SetWaterMaterial,
      Category = "Cesium|Rendering")
  UMaterialInterface* WaterMaterial = nullptr;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetCustomDepthParameters,
      BlueprintSetter = SetCustomDepthParameters,
      Category = "Rendering",
      meta = (ShowOnlyInnerProperties))
  FCustomDepthParameters CustomDepthParameters;
 
  UPROPERTY(
      EditAnywhere,
      BlueprintGetter = GetPointCloudShading,
      BlueprintSetter = SetPointCloudShading,
      Category = "Cesium|Rendering")
  FCesiumPointCloudShading PointCloudShading;
 
protected:
  UPROPERTY()
  FString PlatformName;
 
#if WITH_EDITORONLY_DATA
  UPROPERTY()
  bool bIsMac;
#endif
 
public:
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  float GetLoadProgress() const { return LoadProgress; }
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  bool GetUseLodTransitions() const { return UseLodTransitions; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetUseLodTransitions(bool InUseLodTransitions);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  ETilesetSource GetTilesetSource() const { return TilesetSource; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetTilesetSource(ETilesetSource InSource);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  FString GetUrl() const { return Url; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetUrl(const FString& InUrl);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  int64 GetIonAssetID() const { return IonAssetID; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetIonAssetID(int64 InAssetID);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  FString GetIonAccessToken() const { return IonAccessToken; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetIonAccessToken(const FString& InAccessToken);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  UCesiumIonServer* GetCesiumIonServer() const { return CesiumIonServer; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetCesiumIonServer(UCesiumIonServer* Server);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium")
  double GetMaximumScreenSpaceError() { return MaximumScreenSpaceError; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium")
  void SetMaximumScreenSpaceError(double InMaximumScreenSpaceError);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Tile Culling|Experimental")
  bool GetEnableOcclusionCulling() const;
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Tile Culling|Experimental")
  void SetEnableOcclusionCulling(bool bEnableOcclusionCulling);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Tile Culling|Experimental")
  int32 GetOcclusionPoolSize() const { return OcclusionPoolSize; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Tile Culling|Experimental")
  void SetOcclusionPoolSize(int32 newOcclusionPoolSize);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Tile Culling|Experimental")
  bool GetDelayRefinementForOcclusion() const {
    return DelayRefinementForOcclusion;
  }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Tile Culling|Experimental")
  void SetDelayRefinementForOcclusion(bool bDelayRefinementForOcclusion);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Physics")
  bool GetCreatePhysicsMeshes() const { return CreatePhysicsMeshes; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Physics")
  void SetCreatePhysicsMeshes(bool bCreatePhysicsMeshes);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Navigation")
  bool GetCreateNavCollision() const { return CreateNavCollision; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Navigation")
  void SetCreateNavCollision(bool bCreateNavCollision);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  bool GetAlwaysIncludeTangents() const { return AlwaysIncludeTangents; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetAlwaysIncludeTangents(bool bAlwaysIncludeTangents);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  bool GetGenerateSmoothNormals() const { return GenerateSmoothNormals; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetGenerateSmoothNormals(bool bGenerateSmoothNormals);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  bool GetEnableWaterMask() const { return EnableWaterMask; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetEnableWaterMask(bool bEnableMask);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  bool GetIgnoreKhrMaterialsUnlit() const { return IgnoreKhrMaterialsUnlit; }
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetIgnoreKhrMaterialsUnlit(bool bIgnoreKhrMaterialsUnlit);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  UMaterialInterface* GetMaterial() const { return Material; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetMaterial(UMaterialInterface* InMaterial);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  UMaterialInterface* GetTranslucentMaterial() const {
    return TranslucentMaterial;
  }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetTranslucentMaterial(UMaterialInterface* InMaterial);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  UMaterialInterface* GetWaterMaterial() const { return WaterMaterial; }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetWaterMaterial(UMaterialInterface* InMaterial);
 
  UFUNCTION(BlueprintGetter, Category = "Rendering")
  FCustomDepthParameters GetCustomDepthParameters() const {
    return CustomDepthParameters;
  }
 
  UFUNCTION(BlueprintSetter, Category = "Rendering")
  void SetCustomDepthParameters(FCustomDepthParameters InCustomDepthParameters);
 
  UFUNCTION(BlueprintGetter, Category = "Cesium|Rendering")
  FCesiumPointCloudShading GetPointCloudShading() const {
    return PointCloudShading;
  }
 
  UFUNCTION(BlueprintSetter, Category = "Cesium|Rendering")
  void SetPointCloudShading(FCesiumPointCloudShading InPointCloudShading);
 
  UFUNCTION(BlueprintCallable, Category = "Cesium|Rendering")
  void PlayMovieSequencer();
 
  UFUNCTION(BlueprintCallable, Category = "Cesium|Rendering")
  void StopMovieSequencer();
 
  UFUNCTION(BlueprintCallable, Category = "Cesium|Rendering")
  void PauseMovieSequencer();
 
  const glm::dmat4& GetCesiumTilesetToUnrealRelativeWorldTransform() const;
 
  Cesium3DTilesSelection::Tileset* GetTileset() {
    return this->_pTileset.Get();
  }
  const Cesium3DTilesSelection::Tileset* GetTileset() const {
    return this->_pTileset.Get();
  }
 
  const std::optional<FCesiumFeaturesMetadataDescription>&
  getFeaturesMetadataDescription() const {
    return this->_featuresMetadataDescription;
  }
 
  // AActor overrides (some or most of them should be protected)
  virtual bool ShouldTickIfViewportsOnly() const override;
  virtual void Tick(float DeltaTime) override;
  virtual void BeginDestroy() override;
  virtual bool IsReadyForFinishDestroy() override;
  virtual void Destroyed() override;
  virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
  virtual void PostLoad() override;
  virtual void Serialize(FArchive& Ar) override;
 
  void UpdateLoadStatus();
 
  // UObject overrides
#if WITH_EDITOR
  virtual void
  PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
  virtual void PostEditChangeChainProperty(
      FPropertyChangedChainEvent& PropertyChangedChainEvent) override;
  virtual void PostEditUndo() override;
  virtual void PostEditImport() override;
#endif
 
protected:
  // Called when the game starts or when spawned
  virtual void BeginPlay() override;
  virtual void OnConstruction(const FTransform& Transform) override;
 
  void PostInitProperties() override;
 
  virtual void NotifyHit(
      class UPrimitiveComponent* MyComp,
      AActor* Other,
      class UPrimitiveComponent* OtherComp,
      bool bSelfMoved,
      FVector HitLocation,
      FVector HitNormal,
      FVector NormalImpulse,
      const FHitResult& Hit) override;
 
private:
  void LoadTileset();
  void DestroyTileset();
 
  static Cesium3DTilesSelection::ViewState CreateViewStateFromViewParameters(
      const FCesiumCamera& camera,
      const glm::dmat4& unrealWorldToTileset,
      UCesiumEllipsoid* ellipsoid);
 
  std::vector<FCesiumCamera> GetCameras() const;
  std::vector<FCesiumCamera> GetPlayerCameras() const;
  std::vector<FCesiumCamera> GetSceneCaptures() const;
 
public:
  void UpdateTransformFromCesium();
 
private:
  UFUNCTION(CallInEditor)
  void HandleOnGeoreferenceEllipsoidChanged(
      UCesiumEllipsoid* OldEllipsoid,
      UCesiumEllipsoid* NewEllpisoid);
 
  void updateTilesetOptionsFromProperties();
 
  void updateLastViewUpdateResultState(
      const Cesium3DTilesSelection::ViewUpdateResult& result);
 
  void
  showTilesToRender(const std::vector<Cesium3DTilesSelection::Tile*>& tiles);
 
  void AddFocusViewportDelegate();
 
#if WITH_EDITOR
  std::vector<FCesiumCamera> GetEditorCameras() const;
 
  void OnFocusEditorViewportOnThis();
 
  void RuntimeSettingsChanged(
      UObject* pObject,
      struct FPropertyChangedEvent& changed);
#endif
 
private:
  TUniquePtr<Cesium3DTilesSelection::Tileset> _pTileset;
 
#ifdef CESIUM_DEBUG_TILE_STATES
  TUniquePtr<Cesium3DTilesSelection::DebugTileStateDatabase> _pStateDebug;
#endif
 
  std::optional<FCesiumFeaturesMetadataDescription>
      _featuresMetadataDescription;
 
  PRAGMA_DISABLE_DEPRECATION_WARNINGS
  std::optional<FMetadataDescription> _metadataDescription_DEPRECATED;
  PRAGMA_ENABLE_DEPRECATION_WARNINGS
 
  // For debug output
  uint32_t _lastTilesRendered;
  uint32_t _lastWorkerThreadTileLoadQueueLength;
  uint32_t _lastMainThreadTileLoadQueueLength;
 
  uint32_t _lastTilesVisited;
  uint32_t _lastCulledTilesVisited;
  uint32_t _lastTilesCulled;
  uint32_t _lastTilesOccluded;
  uint32_t _lastTilesWaitingForOcclusionResults;
  uint32_t _lastMaxDepthVisited;
 
  std::chrono::high_resolution_clock::time_point _startTime;
 
  bool _captureMovieMode;
  bool _beforeMoviePreloadAncestors;
  bool _beforeMoviePreloadSiblings;
  int32_t _beforeMovieLoadingDescendantLimit;
  bool _beforeMovieUseLodTransitions;
 
  bool _scaleUsingDPI;
 
  // This is used as a workaround for cesium-native#186
  //
  // The tiles that are no longer supposed to be rendered in the current
  // frame, according to ViewUpdateResult::tilesToHideThisFrame,
  // are kept in this list, and hidden in the NEXT frame, because some
  // internal occlusion culling information from Unreal might prevent
  // the tiles that are supposed to be rendered instead from appearing
  // immediately.
  //
  // If we find a way to clear the wrong occlusion information in the
  // Unreal Engine, then this field may be removed, and the
  // tilesToHideThisFrame may be hidden immediately.
  std::vector<Cesium3DTilesSelection::Tile*> _tilesToHideNextFrame;
 
  int32 _tilesetsBeingDestroyed;
 
  friend class UnrealResourcePreparer;
  friend class UCesiumGltfPointsComponent;
};