ParticleModuleCollisionGPU.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 "Particles/Collision/ParticleModuleCollisionBase.h"
#include "ParticleModuleCollisionGPU.generated.h"
 
class UParticleEmitter;
class UParticleLODLevel;
namespace EParticleCollisionMode { enum Type : int; }
 
UENUM()
namespace EParticleCollisionResponse
{
    enum Type : int
    {
        Bounce,
        Stop,
        Kill
    };
}
 
UCLASS(editinlinenew, hidecategories=Object, MinimalAPI, meta=(DisplayName = "Collision"))
class UParticleModuleCollisionGPU : public UParticleModuleCollisionBase
{
    GENERATED_UCLASS_BODY()
 
    
    UPROPERTY(EditAnywhere, Category=Collision, meta=(ToolTip="The bounciness of the particle."))
    struct FRawDistributionFloat Resilience;
 
    UPROPERTY(EditAnywhere, Category=Collision, meta=(ToolTip="Scales the bounciness of the particle over its life."))
    struct FRawDistributionFloat ResilienceScaleOverLife;
 
    UPROPERTY(EditAnywhere, Category=Collision)
    float Friction;
    
    UPROPERTY(EditAnywhere, Category=Collision, meta=(UIMin=0, ClampMin=0, UIMax=1, ClampMax=1))
    float RandomSpread;
    
    UPROPERTY(EditAnywhere, Category=Collision, meta=(UIMin=1, ClampMin=1))
    float RandomDistribution;
 
    UPROPERTY(EditAnywhere, Category=Collision)
    float RadiusScale;
 
    UPROPERTY(EditAnywhere, Category=Collision)
    float RadiusBias;
 
    UPROPERTY(EditAnywhere, Category=Collision)
    TEnumAsByte<EParticleCollisionResponse::Type> Response;
 
    UPROPERTY(EditAnywhere, Category=Collision)
    TEnumAsByte<EParticleCollisionMode::Type> CollisionMode;
 
    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 SetToSensibleDefaults(UParticleEmitter* Owner) override;
    virtual void CompileModule(struct FParticleEmitterBuildInfo& EmitterInfo) override;
#if WITH_EDITOR
    virtual bool IsValidForLODLevel(UParticleLODLevel* LODLevel, FString& OutErrorString) override;
#endif
    //End UParticleModule Interface
 
protected:
    friend class FParticleModuleCollisionGPUDetails;
};