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  3. FParticleMeshEmitterInstance

FParticleMeshEmitterInstance

Unreal Engine C++ API Reference > Runtime > Engine

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Public/ParticleEmitterInstances.h
Include #include "ParticleEmitterInstances.h"

Syntax

struct FParticleMeshEmitterInstance : public FParticleEmitterInstance

Variables

  Type Name Description
Public variable TArray< UMaterialInterface * > CurrentMaterials The materials to render this instance with.
Public variable int32 MeshMotionBlurOffset  
Public variable bool MeshRotationActive  
Public variable int32 MeshRotationOffset  
Public variable UParticleModuleTypeDataMesh * MeshTypeData  

Constructors

  Type Name Description
Public function   ConstructorStructure for mesh emitter instancesConstructor

Functions

  Type Name Description
Public function Const void

GetMeshMaterials ( TArray< UMaterialInterface*, TInlineAllocator< 2 > >& OutMaterials,
const UParticleLODLevel* LODLevel,
ERHIFeatureLevel::Type InFeatureLevel,
bool bLogWarnings
)

 Gets the materials applied to each section of a mesh.

Overridden from FParticleEmitterInstance

  Type Name Description
Protected function Virtual bool Captures dynamic replay data for this particle system.
Public function Virtual Const void

GatherMaterialRelevance ( FMaterialRelevance* OutMaterialRelevance,
const UParticleLODLevel* LODLevel,
ERHIFeatureLevel::Type InFeatureLevel
)

 Gathers material relevance flags for this emitter instance.
Public function Virtual void

GetAllocatedSize ( int32& OutNum,
int32& OutMax
)

 Retrieve the allocated size of this instance.
Public function Virtual FDynamicEmitterDataBase *

GetDynamicData ( bool bSelected,
ERHIFeatureLevel::Type InFeatureLevel
)

 Retrieves the dynamic data for the emitter
Public function Virtual Const int32 Returns the offset to the mesh rotation payload, if any.
Public function Virtual FDynamicEmitterReplayDataBase * Retrieves replay data for the emitter
Public function Virtual void

GetResourceSizeEx ( FResourceSizeEx& CumulativeResourceSize
)

 Returns the size of the object/ resource for display to artists/ LDs in the Editor.
Public function Virtual void

Init ()

 Initialize the instance
Public function Virtual void  
Public function Virtual bool Checks some common values for GetDynamicData validity
Public function Virtual Const bool Returns true if mesh rotation is active.
Public function Virtual void

PostSpawn ( FBaseParticle* Particle,
float InterpolationPercentage,
float SpawnTime
)

 Handle any post-spawning actions required by the instance
Public function Virtual uint32 Retrieved the per-particle bytes that this emitter type requires.
Public function Virtual bool

Resize ( int32 NewMaxActiveParticles,
bool bSetMaxActiveCount
)

 Resize the particle data array
Public function Virtual void

SetMeshMaterials ( const TArray< UMaterialInterface* >& InMaterials
)

 Sets the materials with which mesh particles should be rendered.
Public function Virtual void

Tick ( float DeltaTime,
bool bSuppressSpawning
)

 Tick the instance.
Public function Virtual void

Tick_MaterialOverrides ( int32 EmitterIndex
)

 Ticks the emitter's material overrides.
Public function Virtual void

UpdateBoundingBox ( float DeltaTime
)

 Update the bounding box for the emitter

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