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  3. FGeometryCollectionISMPool

FGeometryCollectionISMPool

A pool of ISMs.

API > API/Runtime > API/Runtime/GeometryCollectionEngine

A pool of ISMs.

   
Name FGeometryCollectionISMPool
Type struct
Header File /Engine/Source/Runtime/Experimental/GeometryCollectionEngine/Public/GeometryCollection/GeometryCollectionISMPoolComponent.h
Include Path #include "GeometryCollection/GeometryCollectionISMPoolComponent.h"

Syntax

struct FGeometryCollectionISMPool

Constructors

Name Remarks Include Path Unreal Specifiers

FGeometryCollectionISMPool()

   GeometryCollection/GeometryCollectionISMPoolComponent.h  

Typedefs

Name Type Remarks Include Path
FISMIndex int32   GeometryCollection/GeometryCollectionISMPoolComponent.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
bCachedKeepAlive bool Cached state of lifecycle cvars from the last Tick() GeometryCollection/GeometryCollectionISMPoolComponent.h  
bCachedRecycle bool   GeometryCollection/GeometryCollectionISMPoolComponent.h  
bDisableBoundsAndTransformUpdate bool Whether we force ISMs to use parent bounds and disable transform updates. GeometryCollection/GeometryCollectionISMPoolComponent.h  
FreeList TArray< int32 > Free list of indices in ISMs that are empty. GeometryCollection/GeometryCollectionISMPoolComponent.h  
FreeListISM TArray< int32 > Free list of indices in ISMs that have registered ISM components. GeometryCollection/GeometryCollectionISMPoolComponent.h  
ISMs TArray< FGeometryCollectionISM > Array of ISM objects. GeometryCollection/GeometryCollectionISMPoolComponent.h  
MeshToISMIndex TMap< FGeometryCollectionStaticMeshInstance, FISMIndex > Mapping from mesh description to ISMs array slot. GeometryCollection/GeometryCollectionISMPoolComponent.h  
PrellocationQueue TSet< FGeometryCollectionStaticMeshInstance > Set of ISM descriptions that we would like to preallocate. GeometryCollection/GeometryCollectionISMPoolComponent.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

PRAGMA_DISABLE_DEPRECATION_WARNINGSFGeometryCollectionMeshInfo AddInstancesToISM ( UGeometryCollectionISMPoolComponent* OwningComponent,
const FGeometryCollectionStaticMeshInstance& MeshInstance,
int32 InstanceCount,
TArrayView< const float > CustomDataFloats
)

 Add instances to ISM and return a mesh info handle. GeometryCollection/GeometryCollectionISMPoolComponent.h  

void BatchUpdateInstanceCustomData ( FGeometryCollectionMeshInfo const& MeshInfo,
int32 CustomFloatIndex,
float CustomFloatValue
)

   GeometryCollection/GeometryCollectionISMPoolComponent.h  

bool BatchUpdateInstancesTransforms ( FGeometryCollectionMeshInfo& MeshInfo,
int32 StartInstanceIndex,
TArrayView< const FTransform > NewInstancesTransforms,
bool bWorldSpace,
bool bMarkRenderStateDirty,
bool bTeleport,
bool bAllowPerInstanceRemoval
)

 Update ISM contents. GeometryCollection/GeometryCollectionISMPoolComponent.h  

void Clear()

 Clear all ISM components and associated data. GeometryCollection/GeometryCollectionISMPoolComponent.h  

PRAGMA_DISABLE_DEPRECATION_WARNINGSFISMIndex GetOrAddISM ( UGeometryCollectionISMPoolComponent* OwningComponent,
const FGeometryCollectionStaticMeshInstance& MeshInstance,
bool& bOutISMCreated
)

 Find or add an ISM and return an ISM index handle. GeometryCollection/GeometryCollectionISMPoolComponent.h  

PRAGMA_DISABLE_DEPRECATION_WARNINGS void ProcessPreallocationRequests ( UGeometryCollectionISMPoolComponent* OwningComponent,
int32 MaxPreallocations
)

 Process the preallocation queue. GeometryCollection/GeometryCollectionISMPoolComponent.h  

void RemoveInstancesFromISM ( const FGeometryCollectionMeshInfo& MeshInfo
)

 Remove instances from an ISM. GeometryCollection/GeometryCollectionISMPoolComponent.h  

void RemoveISM ( FISMIndex ISMIndex,
bool bKeepAlive,
bool bRecycle
)

 Remove an ISM. GeometryCollection/GeometryCollectionISMPoolComponent.h  

void RequestPreallocateMeshInstance ( const FGeometryCollectionStaticMeshInstance& MeshInstances
)

 Add an ISM description to the preallocation queue. GeometryCollection/GeometryCollectionISMPoolComponent.h  

PRAGMA_DISABLE_DEPRECATION_WARNINGS void Tick ( UGeometryCollectionISMPoolComponent* OwningComponent
)

 Tick maintenance of free list and preallocation. GeometryCollection/GeometryCollectionISMPoolComponent.h  

void UpdateAbsoluteTransforms ( const FTransform& BaseTransform,
EUpdateTransformFlags UpdateTransformFlags,
ETeleportType Teleport
)

   GeometryCollection/GeometryCollectionISMPoolComponent.h  

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