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  3. FParticleTrailsEmitterInstance_Base

FParticleTrailsEmitterInstance_Base

API > API/Runtime > API/Runtime/Engine

   
Name FParticleTrailsEmitterInstance_Base
Type struct
Header File /Engine/Source/Runtime/Engine/Public/ParticleEmitterInstances.h
Include Path #include "ParticleEmitterInstances.h"

Syntax

struct FParticleTrailsEmitterInstance_Base : public FParticleEmitterInstance

Inheritance Hierarchy

Derived Classes

Constructors

Name Remarks Include Path Unreal Specifiers

FParticleTrailsEmitterInstance_Base ( IParticleEmitterInstanceOwner& InComponent
)

 Constructor ParticleEmitterInstances.h  

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~FParticleTrailsEmitterInstance_Base()

 Destructor ParticleEmitterInstances.h  

Enums

Protected

Name Remarks
EGetTrailDirection  
EGetTrailParticleOption  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
bDeadTrailsOnDeactivate uint32 If true, mark trails dead on deactivate ParticleEmitterInstances.h  
bEnableInactiveTimeTracking uint32 If true, when the system checks for particles to kill, it will use elapsed gametime to make the determination. ParticleEmitterInstances.h  
bFirstUpdate uint32 If true, this emitter has not been updated yet... ParticleEmitterInstances.h  
LastSpawnTime TArray< float > The last time a spawn happened for each trail in this emitter ParticleEmitterInstances.h  
LastTickTime float The last time the emitter instance was ticked ParticleEmitterInstances.h  
MaxTrailCount int32 The max number of trails this emitter is allowed to have ParticleEmitterInstances.h  
RunningTime float The running time for this instance w/ ActiveParticles > 0 ParticleEmitterInstances.h  
SourceDistanceTraveled TArray< float > The distance traveled by each source of each trail in this emitter ParticleEmitterInstances.h  
TiledUDistanceTraveled TArray< float > The distance traveled by each source of each trail in this emitter ParticleEmitterInstances.h  
TrailCount int32 The number of active trails in this emitter ParticleEmitterInstances.h  
TrailSpawnTimes TArray< float > The Spawn times for each trail in this emitter ParticleEmitterInstances.h  
TriangleCount int32 The triangle count for this emitter ParticleEmitterInstances.h  
VertexCount int32 The vertex count for this emitter ParticleEmitterInstances.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

bool AddParticleHelper ( int32 InTrailIdx,
int32 StartParticleIndex,
FTrailsBaseTypeDataPayload* StartTrailData,
int32 ParticleIndex,
FTrailsBaseTypeDataPayload* TrailData
)

   ParticleEmitterInstances.h  

void CheckAllIndices()

   ParticleEmitterInstances.h  

bool CheckForCircularTrail ( FBaseParticle* StartParticle,
FBaseParticle* CheckParticle
)

   ParticleEmitterInstances.h  

void CheckIndices ( int32 TrailIdx
)

   ParticleEmitterInstances.h  

void ClearIndices ( int32 TrailIndex,
int32 ParticleIndex
)

   ParticleEmitterInstances.h  

void DumpCircularTrailsSpam()

   ParticleEmitterInstances.h  

void GetTrailEnd ( const int32 TrailIdx,
int32& OutEndIndex,
TrailDataType*& OutTrailData,
FBaseParticle*& OutParticle
)

   ParticleEmitterInstances.h  

void GetTrailStart ( const int32 TrailIdx,
int32& OutStartIndex,
TrailDataType*& OutTrailData,
FBaseParticle*& OutParticle
)

   ParticleEmitterInstances.h  

virtual void KillParticles ( int32 InTrailIdx,
int32 InKillCount
)

 Kill the given number of particles from the end of the trail. ParticleEmitterInstances.h  

void SetDeadIndex ( int32 TrailIndex,
int32 ParticleIndex
)

   ParticleEmitterInstances.h  

void SetEndIndex ( int32 TrailIndex,
int32 ParticleIndex
)

   ParticleEmitterInstances.h  

void SetStartIndex ( int32 TrailIndex,
int32 ParticleIndex
)

   ParticleEmitterInstances.h  

virtual void SetupTrailModules()

   ParticleEmitterInstances.h  

virtual void Tick_RecalculateTangents ( float DeltaTime,
UParticleLODLevel* CurrentLODLevel
)

 Tick sub-function that handles recalculation of tangents ParticleEmitterInstances.h  

virtual void UpdateSourceData ( float DeltaTime,
bool bFirstTime
)

   ParticleEmitterInstances.h  

Overridden from FParticleEmitterInstance

Name Remarks Include Path Unreal Specifiers

virtual void ForceUpdateBoundingBox()

 Force the bounding box to be updated. ParticleEmitterInstances.h  

virtual void Init()

 Initialize the instance ParticleEmitterInstances.h  

virtual void InitParameters ( UParticleEmitter* InTemplate
)

   ParticleEmitterInstances.h  

virtual void KillParticles ()

 Kill off any dead particles. (Remove them from the active array) ParticleEmitterInstances.h  

virtual void OnDeactivateSystem ()

 Virtual void UpdateStartParticles(float DeltaTime, bool bFirstTime) {} ParticleEmitterInstances.h  

virtual void Tick ( float DeltaTime,
bool bSuppressSpawning
)

 Tick the instance. ParticleEmitterInstances.h  

virtual void UpdateBoundingBox ( float DeltaTime
)

 Update the bounding box for the emitter ParticleEmitterInstances.h  

Protected

Name Remarks Include Path Unreal Specifiers

UMaterialInterface * GetCurrentMaterial()

 Get the current material to render with. ParticleEmitterInstances.h  

bool GetParticleInTrail ( bool bSkipStartingParticle,
FBaseParticle* InStartingFromParticle,
FTrailsBaseTypeDataPayload* InStartingTrailData,
EGetTrailDirection InGetDirection,
EGetTrailParticleOption InGetOption,
FBaseParticle*& OutParticle,
FTrailsBaseTypeDataPayload*& OutTrailData
)

 Retrieve the particle in the trail that meets the given criteria ParticleEmitterInstances.h  

virtual void PrintAllActiveParticles()

 Prints out info for all active particles. ParticleEmitterInstances.h  

virtual void PrintParticleData ( FBaseParticle* Particle,
FTrailsBaseTypeDataPayload* TrailData,
int32 CurrentIndex,
int32 TrailIndex
)

 Prints out info for a single particle. ParticleEmitterInstances.h  

virtual void PrintTrails()

 Traverses all trails and prints out debugging info. ParticleEmitterInstances.h  

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