ParticleModuleBeamSource.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Distributions/DistributionFloat.h"
#include "Distributions/DistributionVector.h"
#include "Particles/Beam/ParticleModuleBeamBase.h"
#include "ParticleModuleBeamSource.generated.h"
 
class UParticleModuleTypeDataBase;
class UParticleSystemComponent;
struct FParticleBeam2EmitterInstance;
struct FParticleEmitterInstance;
 
UCLASS(editinlinenew, hidecategories=Object, MinimalAPI, meta=(DisplayName = "Source"))
class UParticleModuleBeamSource : public UParticleModuleBeamBase
{
    GENERATED_UCLASS_BODY()
 
    
    UPROPERTY(EditAnywhere, Category=Source)
    TEnumAsByte<enum Beam2SourceTargetMethod> SourceMethod;
 
    UPROPERTY(EditAnywhere, Category=Source)
    FName SourceName;
 
    UPROPERTY(EditAnywhere, Category=Source)
    uint32 bSourceAbsolute:1;
 
    UPROPERTY(EditAnywhere, Category=Source)
    struct FRawDistributionVector Source;
 
    UPROPERTY(EditAnywhere, Category=Source)
    uint32 bLockSource:1;
 
    UPROPERTY(EditAnywhere, Category=Source)
    TEnumAsByte<enum Beam2SourceTargetTangentMethod> SourceTangentMethod;
 
    UPROPERTY(EditAnywhere, Category=Source)
    struct FRawDistributionVector SourceTangent;
 
    UPROPERTY(EditAnywhere, Category=Source)
    uint32 bLockSourceTangent:1;
 
    UPROPERTY(EditAnywhere, Category=Source)
    struct FRawDistributionFloat SourceStrength;
 
    UPROPERTY(EditAnywhere, Category=Source)
    uint32 bLockSourceStength:1;
 
    void InitializeDefaults();
 
    //Begin UObject Interface
#if WITH_EDITOR
    virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
#endif // WITH_EDITOR
    virtual void PostInitProperties() override;
    //End UObject Interface
 
    //Begin UParticleModule Interface
    virtual void Spawn(const FSpawnContext& Context) override;
    virtual void Update(const FUpdateContext& Context) override;
    virtual uint32 RequiredBytes(UParticleModuleTypeDataBase* TypeData) override;
    virtual void AutoPopulateInstanceProperties(UParticleSystemComponent* PSysComp) override;
    virtual void GetParticleSysParamsUtilized(TArray<FString>& ParticleSysParamList) override;
    //End UParticleModule Interface
 
 
    // @todo document
    void GetDataPointers(FParticleEmitterInstance* Owner, const uint8* ParticleBase, 
                int32& CurrentOffset, 
                FBeamParticleSourceTargetPayloadData*& ParticleSource,
                FBeamParticleSourceBranchPayloadData*& BranchSource);
 
    // @todo document
    void GetDataPointerOffsets(FParticleEmitterInstance* Owner, const uint8* ParticleBase, 
                int32& CurrentOffset, int32& ParticleSourceOffset, int32& BranchSourceOffset);
                        
 
    // @todo document
    bool ResolveSourceData(const FContext& Context, FParticleBeam2EmitterInstance* BeamInst, 
                FBeam2TypeDataPayload* BeamData, const uint8* ParticleBase, 
                int32& CurrentOffset, int32 ParticleIndex, bool bSpawning,
                FBeamParticleModifierPayloadData* ModifierData);
 
    int32 LastSelectedParticleIndex;
};