TrajectoryTypes.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Animation/AnimTypes.h"
#include "Kismet/BlueprintFunctionLibrary.h"
 
#include "TrajectoryTypes.generated.h"
 
#define UE_API ENGINE_API
 
struct FAnimInstanceProxy;
 
USTRUCT(BlueprintType, Category="Trajectory")
struct FTransformTrajectorySample
{
    GENERATED_BODY()
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Trajectory")
    FQuat Facing = FQuat::Identity;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Trajectory")
    FVector Position = FVector::ZeroVector;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Trajectory")
    float TimeInSeconds = 0.f;
 
    UE_API FTransformTrajectorySample Lerp(const FTransformTrajectorySample& Other, float Alpha) const;
    UE_API void SetTransform(const FTransform& Transform);
    FTransform GetTransform() const { return FTransform(Facing, Position); }
};
ENGINE_API FArchive& operator<<(FArchive& Ar, FTransformTrajectorySample& Sample);
 
USTRUCT(BlueprintType, Category = "Trajectory")
struct FTransformTrajectory
{
    GENERATED_BODY()
    
    // This contains zero or more history samples, a current sample, and zero or more future predicted samples.
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Trajectory")
    TArray<FTransformTrajectorySample> Samples;
 
    UE_API FTransformTrajectorySample GetSampleAtTime(float Time, bool bExtrapolate = false) const;
};
ENGINE_API FArchive& operator<<(FArchive& Ar, FTransformTrajectory& Trajectory);
 
UCLASS(MinimalAPI)
class UTransformTrajectoryBlueprintLibrary : public UBlueprintFunctionLibrary
{
    GENERATED_BODY()
 
public:
    
    UFUNCTION(BlueprintCallable, Category = "Animation|Trajectory|Debug", meta = (BlueprintThreadSafe))
    static ENGINE_API void DebugDrawTrajectory(UPARAM(ref) const FTransformTrajectory& Trajectory, const UWorld* World, const float DebugThickness = 0.f, float HeightOffset = 0.f);
 
#if ENABLE_ANIM_DEBUG
    ENGINE_API static void DebugDrawTrajectory(const FTransformTrajectory& Trajectory, FAnimInstanceProxy& AnimInstanceProxy, const float DebugThickness = 0.f, float HeightOffset = 0.f, int MaxHistorySamples = -1, int MaxPredictionSamples = -1);
    ENGINE_API static void DebugDrawTrajectory(const FTransformTrajectory& Trajectory, const UObject* Owner, const FLogCategoryBase& Category, ELogVerbosity::Type Verbosity, const float DebugThickness = 0.f, float HeightOffset = 0.f);
#endif
};
 
#undef UE_API