GeometryCollectionEngineRemoval.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "GeometryCollection/ManagedArrayAccessor.h"
 
struct FManagedArrayCollection;
class FGeometryDynamicCollection;
 
namespace GeometryCollection::Facades
{
    class FCollectionRemoveOnBreakFacade;
}
 
class FGeometryCollectionRemoveOnBreakDynamicFacade
{
public:
    static constexpr float DisabledBreakTimer = -1;
    static constexpr float BreakTimerStartValue = 0;
    static constexpr float DisabledPostBreakDuration = -1;
    static constexpr float CrumblingRemovalTimer = -1;
    
    GEOMETRYCOLLECTIONENGINE_API FGeometryCollectionRemoveOnBreakDynamicFacade(FGeometryDynamicCollection& InCollection);
 
    GEOMETRYCOLLECTIONENGINE_API bool IsValid() const;
 
    GEOMETRYCOLLECTIONENGINE_API bool IsConst() const;
 
    GEOMETRYCOLLECTIONENGINE_API void DefineSchema();
 
    GEOMETRYCOLLECTIONENGINE_API void SetAttributeValues(const GeometryCollection::Facades::FCollectionRemoveOnBreakFacade& RemoveOnBreakFacade);
 
    GEOMETRYCOLLECTIONENGINE_API bool IsRemovalActive(int32 TransformIndex) const;
 
    GEOMETRYCOLLECTIONENGINE_API bool UseClusterCrumbling(int32 TransformIndex) const;
    
    GEOMETRYCOLLECTIONENGINE_API float UpdateBreakTimerAndComputeDecay(int32 TransformIndex, float DeltaTime);
    
private:
    TManagedArrayAccessor<float> BreakTimerAttribute;
 
    TManagedArrayAccessor<float> PostBreakDurationAttribute;
    
    TManagedArrayAccessor<float> BreakRemovalDurationAttribute;
 
    const FGeometryDynamicCollection& DynamicCollection;
};
 
class FGeometryCollectionRemoveOnSleepDynamicFacade
{
public:
    GEOMETRYCOLLECTIONENGINE_API FGeometryCollectionRemoveOnSleepDynamicFacade(FManagedArrayCollection& InCollection);
 
    GEOMETRYCOLLECTIONENGINE_API bool IsValid() const;
 
    GEOMETRYCOLLECTIONENGINE_API bool IsConst() const;
 
    GEOMETRYCOLLECTIONENGINE_API void DefineSchema();
 
    GEOMETRYCOLLECTIONENGINE_API float GetSleepRemovalDuration(int32 TransformIndex) const;
    GEOMETRYCOLLECTIONENGINE_API float GetMaxSleepTime(int32 TransformIndex) const;
 
    GEOMETRYCOLLECTIONENGINE_API void SetSleepRemovalDuration(int32 TransformIndex, float SleepRemovalDuration);
    GEOMETRYCOLLECTIONENGINE_API void SetMaxSleepTime(int32 TransformIndex, float MaxSleepTime);
 
    GEOMETRYCOLLECTIONENGINE_API void SetAttributeValues(const FVector2D& MaximumSleepTime, const FVector2D& RemovalDuration);
 
    GEOMETRYCOLLECTIONENGINE_API bool IsRemovalActive(int32 TransformIndex) const;
 
    GEOMETRYCOLLECTIONENGINE_API bool ComputeSlowMovingState(int32 TransformIndex, const FVector& Position, float DeltaTime, FVector::FReal VelocityThreshold);
    
    GEOMETRYCOLLECTIONENGINE_API void UpdateSleepTimer(int32 TransformIndex, float DeltaTime);
 
    GEOMETRYCOLLECTIONENGINE_API float ComputeDecay(int32 TransformIndex) const;
 
    
private:
    TManagedArrayAccessor<float> SleepTimerAttribute;
    
    TManagedArrayAccessor<float> MaxSleepTimeAttribute;
    
    TManagedArrayAccessor<float> SleepRemovalDurationAttribute;
 
    TManagedArrayAccessor<FVector> LastPositionAttribute;
};
 
class FGeometryCollectionDecayDynamicFacade
{
public:
    GEOMETRYCOLLECTIONENGINE_API FGeometryCollectionDecayDynamicFacade(FManagedArrayCollection& InCollection);
 
    GEOMETRYCOLLECTIONENGINE_API bool IsValid() const;
 
    GEOMETRYCOLLECTIONENGINE_API void AddAttributes();
 
    GEOMETRYCOLLECTIONENGINE_API float GetDecay(int32 TransformIndex) const;
 
    GEOMETRYCOLLECTIONENGINE_API void SetDecay(int32 TransformIndex, float DecayValue);
 
    GEOMETRYCOLLECTIONENGINE_API int32 GetDecayAttributeSize() const;
 
private:
    TManagedArrayAccessor<float> DecayAttribute;
};