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  3. ULandscapeSplinesComponent

ULandscapeSplinesComponent

[ULandscapeSplinesComponent](API\Runtime\Landscape\ULandscapeSplinesComponent).

API > API/Runtime > API/Runtime/Landscape

Inheritance Hierarchy

  • UPrimitiveComponent
  • ULandscapeSplinesComponent

References

   
Module Landscape
Header /Engine/Source/Runtime/Landscape/Classes/LandscapeSplinesComponent.h
Include #include "LandscapeSplinesComponent.h"

Syntax

UCLASS (MinimalAPI)  
class ULandscapeSplinesComponent : public UPrimitiveComponent

Remarks

ULandscapeSplinesComponent.

Variables

  Type Name Description
Public variable UProperty Transient nontransactional uint32: 1 bShowSplineEditorMesh Whether we are in-editor and showing spline editor meshes
Protected variable UProperty textexporttransient TArray< TObjectPtr< ULandscapeSplineControlPoint > > ControlPoints  
Public variable UProperty TObjectPtr< UTexture2D > ControlPointSprite Sprite used to draw control points
Protected variable UProperty textexporttransient TArray< TObjectPtr< UMeshComponent > > CookedForeignMeshComponents References to components owned by landscape splines in other levels for cooked build (uncooked keeps references via ForeignWorldSplineDataMap)
Protected variable UProperty textexporttransient TMap< TSoftObjectPtr< UWorld >, FForeignWorldSplineData > ForeignWorldSplineDataMap Serialized.
Protected variable TMap< UMeshComponent *, TLazyObjectPtr< UObject > > MeshComponentForeignOwnersMap  
Protected variable TMap< UMeshComponent *, UObject * > MeshComponentLocalOwnersMap Transient - rebuilt on load.
Protected variable UProperty textexporttransient TArray< TObjectPtr< ULandscapeSplineSegment > > Segments  
Public variable UProperty FColor SplineColor Color to use to draw the splines
Public variable UProperty TObjectPtr< UStaticMesh > SplineEditorMesh Mesh used to draw splines that have no mesh
Public variable UProperty float SplineResolution Resolution of the spline, in distance per point

Constructors

  Type Name Description
Public function  

ULandscapeSplinesComponent ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function Virtual void

AddForeignMeshComponent ( ULandscapeSplineSegment* Owner,
USplineMeshComponent* Component
)

  
Public function Virtual void  
Public function void

AutoFixMeshComponentErrors ( UWorld* OtherWorld
)

  
Public function Virtual Const FBoxSphereBounds

CalcBounds ( const FTransform& LocalToWorld
)

  
Public function Virtual void  
Public function void  
Public function void

CopyToSplineComponent ( USplineComponent* SplineComponent
)

 Converts points along the landscape spline into points on a spline component Works best with landscape splines that contain no intersections or splits
Public function Virtual FPrimitiveSceneProxy *  
Public function Virtual void  
Public function Virtual void  
Public function void  
Public function void

ForEachControlPoint ( TFunctionRef< void(ULandscapeSplineControlPoint*)> Func
)

 Iterates throug a copy of the ControlPoints list.
Public function void  
Public function TArray< ULandscapeSplinesComponent * > Gathers and returns all currently existing
Public function Const const TArray< TObjectPtr< ULandscapeSplineControlPoint > > &  
Public function TArray< TObjectPtr< ULandscapeSplineControlPoint > > &  
Public function Virtual UControlPointMeshComponent *  
Public function Virtual TArray< USplineMeshComponent * >  
Public function Virtual UObject *

GetOwnerForMeshComponent ( const UMeshComponent* SplineMeshComponent
)

  
Public function TArray< TObjectPtr< ULandscapeSplineSegment > > &  
Public function Const const TArray< TObjectPtr< ULandscapeSplineSegment > > &  
Public function UFunction BlueprintCallable, Category TArray< USplineMeshComponent * > Get a list of spline mesh components representing this landscape spline (Editor only)
Public function ILandscapeSplineInterface *  
Public function ULandscapeSplinesComponent *

GetStreamingSplinesComponentByLocation ( const FVector& LocalLocation,
bool bCreate
)

 Returns a suitable ULandscapeSplinesComponent to place streaming meshes into, given a location falls back to "this" if it can't find another suitable, so never returns nullptr
Public function ULandscapeSplinesComponent *

GetStreamingSplinesComponentForLevel ( ULevel* Level,
bool bCreate
)

 Returns the matching ULandscapeSplinesComponent for a given level, can return null
Public function Const bool  
Public function Const bool

IsUsingEditorMesh ( const USplineMeshComponent* SplineMeshComponent
)

  
Public function Const bool  
Public function bool

ModifySplines ( bool bAlwaysMarkDirty
)

  
Public function Virtual void  
Public function Virtual void

PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent
)

  
Public function Virtual void  
Public function Virtual void  
Public function Virtual void

RebuildAllSplines ( bool bBuildCollision
)

 Rebuilds all spline points and meshes for all spline control points and segments in this splines component
Public function Virtual void  
Public function Virtual void

RemoveForeignMeshComponent ( ULandscapeSplineSegment* Owner,
USplineMeshComponent* Component
)

  
Public function Virtual void  
Public function void  
Public function Virtual void

Serialize ( FArchive& Ar
)

  
Public function Virtual void

ShowSplineEditorMesh ( bool bShow
)

  
Public function Virtual void  
Public function Virtual void  

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