CommonAnimTypes.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    AnimationTypes.h: Render core module definitions.
=============================================================================*/
 
#pragma once
#include "CoreMinimal.h"
#include "CommonAnimTypes.generated.h"
 
USTRUCT()
struct FAxis
{
    GENERATED_USTRUCT_BODY()
 
    UPROPERTY(EditAnywhere, Category = "FAxis")
    FVector Axis;
 
    UPROPERTY(EditAnywhere, Category = "FAxis")
    bool bInLocalSpace;
 
    FAxis(const FVector& InAxis = FVector::ForwardVector)
        :  bInLocalSpace(true) 
    {
        Axis = InAxis.GetSafeNormal();
    };
 
    FVector GetTransformedAxis(const FTransform& ComponentSpaceTransform) const
    {
        if (bInLocalSpace)
        {
            return ComponentSpaceTransform.TransformVectorNoScale(Axis);
        }
 
        // if world transform, we don't have to transform
        return Axis;
    }
 
    void Initialize()
    {
        Axis = Axis.GetSafeNormal();
    }
 
    bool IsValid() const
    {
        return Axis.IsNormalized();
    }
 
    friend FArchive & operator<<(FArchive & Ar, FAxis & D)
    {
        Ar << D.Axis;
        Ar << D.bInLocalSpace;
 
        return Ar;
    }
};