UInstancedProjectionModifier

Modifier that takes meshes and projects the megamesh to them, capable of holding multiple projection instances at once so that a new component doesn't have to be created for each one in PCG.

API > API/Plugins > API/Plugins/MeshPartitionEditor

Modifier that takes meshes and projects the megamesh to them, capable of holding multiple projection instances at once so that a new component doesn't have to be created for each one in PCG.

   
Name UInstancedProjectionModifier
Type class
Header File /Engine/Plugins/Experimental/MeshPartition/Source/MeshPartitionEditor/Public/Modifiers/MeshPartitionInstancedProjectionModifier.h
Include Path #include "Modifiers/MeshPartitionInstancedProjectionModifier.h"

Syntax

UCLASS (MinimalAPI, prioritizeCategories=("Modifier", "Settings"))  
class UInstancedProjectionModifier :  
    public UE::MeshPartition::UModifierComponent ,  
    public UE::MeshPartition::ICodeReusableModifier

Inheritance Hierarchy

Implements Interfaces

Constructors

Name Remarks Include Path Unreal Specifiers

UInstancedProjectionModifier()

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
bDisabledByCode bool See ICodeReusableModifier::SetDisabledByCode. Modifiers/MeshPartitionInstancedProjectionModifier.h  
bDrawAffectedBox bool   Modifiers/MeshPartitionInstancedProjectionModifier.h
  • EditAnywhere
  • Category=Settings
  • AdvancedDisplay
bDrawGlobalBounds bool   Modifiers/MeshPartitionInstancedProjectionModifier.h
  • EditAnywhere
  • Category=Settings
  • AdvancedDisplay
BlendMode MeshPartition::EProjectModifierBlendMode   Modifiers/MeshPartitionInstancedProjectionModifier.h
  • EditAnywhere
  • Category=Settings
HeightFalloff MeshPartition::FProjectModifierFalloffSettings   Modifiers/MeshPartitionInstancedProjectionModifier.h
  • EditAnywhere
  • Category=Settings
Instances TArray< MeshPartition::FInstancedProjectionModifierInstance >   Modifiers/MeshPartitionInstancedProjectionModifier.h
  • VisibleAnywhere
  • Category=Settings
MeshSpatials TMap< const UDynamicMesh *, TSharedPtr< const Geometry::FDynamicMeshAABBTree3 > >   Modifiers/MeshPartitionInstancedProjectionModifier.h  
SourceMeshToInstanceMesh TMap< const UDynamicMesh *, TWeakObjectPtr< UDynamicMesh > > Updated by GetOrCreateMeshCopy. Modifiers/MeshPartitionInstancedProjectionModifier.h  
ThreadSafeMeshCopies TMap< const UDynamicMesh *, TSharedPtr< const Geometry::FDynamicMesh3 > > Updated by CreateCachedData. Key is our own copy of a mesh. Modifiers/MeshPartitionInstancedProjectionModifier.h  
WeightChannels TArray< FProjectModifierWeightEntry >   Modifiers/MeshPartitionInstancedProjectionModifier.h
  • EditAnywhere
  • Category=Settings

Functions

Public

Name Remarks Include Path Unreal Specifiers

void AddInstance ( const MeshPartition::FInstancedProjectionModifierInstance& NewInstance,
bool bUpdateCachedMesh
)

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

void ClearInstances()

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

const MeshPartition::FInstancedProjectionModifierInstance * GetInstanceAtIndex ( int32 Index
) const

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

int32 NumInstances()

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

Public Virtual

Overridden from UModifierComponent

Name Remarks Include Path Unreal Specifiers

virtual TArray< FBox > ComputeBounds ()

 Computes the set of bounding boxes describing the regions this modifier is affecting. Modifiers/MeshPartitionInstancedProjectionModifier.h  
Called to prepare for applying the modifier. Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual void DrawVisualization ( const FSceneView* View,
FPrimitiveDrawInterface* PDI
) const

 Called by the visualizer to give the modifier an oppertunity to render a debug visualization of itself when selected. Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual FGuid GetCodeVersionKey()

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual void InitializeModifier()

 MeshPartition::UModifierComponent. Modifiers/MeshPartitionInstancedProjectionModifier.h  
Returns true if the modifier is temporarily disabled from being processed in any MegaMesh builds. Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual void UninitializeModifier()

 Called before a modifier will be unloaded and unregistered in case it need resource cleaning. Modifiers/MeshPartitionInstancedProjectionModifier.h  

Overridden from UObject

Name Remarks Include Path Unreal Specifiers

virtual void PostEditChangeChainProperty ( FPropertyChangedChainEvent& PropertyChangedEvent
)

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual void PreEditChange ( FEditPropertyChain& PropertyAboutToChange
)

   Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual void Serialize ( FArchive& Ar
)

 UObject. Modifiers/MeshPartitionInstancedProjectionModifier.h  

Overridden from ICodeReusableModifier

Name Remarks Include Path Unreal Specifiers

virtual bool IsUsed()

 Can be called to determine whether this reusable modifier ended up actually being used, so that it can be cleaned up by its managing system if not. Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual void ResetForReuse()

 Called to prep the modifier for reinitializing with entirely different data. Modifiers/MeshPartitionInstancedProjectionModifier.h  

virtual void SetDisabledByCode ( bool bDisabledByCode
)

 ICodeReusableModifier. Modifiers/MeshPartitionInstancedProjectionModifier.h  

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