ParticleModuleTypeDataRibbon.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Particles/TypeData/ParticleModuleTypeDataBase.h"
#include "ParticleModuleTypeDataRibbon.generated.h"
 
UENUM()
enum ETrailsRenderAxisOption : int
{
    Trails_CameraUp UMETA(DisplayName="Camera Up"),
    Trails_SourceUp UMETA(DisplayName="Source Up"),
    Trails_WorldUp UMETA(DisplayName="World Up"),
    Trails_MAX,
};
 
UCLASS(MinimalAPI, editinlinenew, hidecategories=Object, meta=(DisplayName = "Ribbon Data"))
class UParticleModuleTypeDataRibbon : public UParticleModuleTypeDataBase
{
    GENERATED_UCLASS_BODY()
 
    //
    // General Trail Variables.
    //
    
    
    UPROPERTY()
    int32 MaxTessellationBetweenParticles;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    int32 SheetsPerTrail;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    int32 MaxTrailCount;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    int32 MaxParticleInTrailCount;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    uint32 bDeadTrailsOnDeactivate:1;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    uint32 bDeadTrailsOnSourceLoss:1;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    uint32 bClipSourceSegement:1;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    uint32 bEnablePreviousTangentRecalculation:1;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    uint32 bTangentRecalculationEveryFrame:1;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    uint32 bSpawnInitialParticle:1;
 
    UPROPERTY(EditAnywhere, Category=Trail)
    TEnumAsByte<enum ETrailsRenderAxisOption> RenderAxis;
 
    //
    // Trail Spawning Variables.
    //
    
    UPROPERTY(EditAnywhere, Category=Spawn)
    float TangentSpawningScalar;
 
    //
    // Trail Rendering Variables.
    //
    
    UPROPERTY(EditAnywhere, Category=Rendering)
    uint32 bRenderGeometry:1;
 
    UPROPERTY(EditAnywhere, Category=Rendering)
    uint32 bRenderSpawnPoints:1;
 
    UPROPERTY(EditAnywhere, Category=Rendering)
    uint32 bRenderTangents:1;
 
    UPROPERTY(EditAnywhere, Category=Rendering)
    uint32 bRenderTessellation:1;
 
    UPROPERTY(EditAnywhere, Category=Rendering)
    float TilingDistance;
 
    UPROPERTY(EditAnywhere, Category=Rendering)
    float DistanceTessellationStepSize;
 
    UPROPERTY(EditAnywhere, Category=Rendering)
    uint32 bEnableTangentDiffInterpScale:1;
 
    UPROPERTY(EditAnywhere, Category=Rendering)
    float TangentTessellationScalar;
 
 
    //~ Begin UObject Interface
#if WITH_EDITOR
    virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
#endif // WITH_EDITOR
    //~ End UObject Interface
 
    //~ Begin UParticleModule Interface
    virtual uint32 RequiredBytes(UParticleModuleTypeDataBase* TypeData) override;
    //~ End UParticleModule Interface
 
    //~ Begin UParticleModuleTypeDataBase Interface
    virtual FParticleEmitterInstance* CreateInstance(UParticleEmitter* InEmitterParent, IParticleEmitterInstanceOwner& InComponent) override;
    virtual const FVertexFactoryType* GetVertexFactoryType() const override;
    virtual EPrimitiveType GetPrimitiveType() const override { return PT_TriangleStrip; }
    virtual void CollectPSOPrecacheData(const UParticleEmitter* Emitter, FPSOPrecacheParams& OutParams) override;
    //~ End UParticleModuleTypeDataBase Interface
};