120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Channels/MovieSceneBoolChannel.h"
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#include "Channels/MovieSceneChannelEditorData.h"
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#include "Channels/MovieSceneChannelTraits.h"
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#include "ConstraintsManager.h"
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#include "Containers/UnrealString.h"
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#include "Misc/FrameTime.h"
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#include "MovieSceneClipboard.h"
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#include "Templates/Function.h"
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#include "UObject/Class.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/ObjectPtr.h"
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#include "UObject/SoftObjectPath.h"
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#include "UObject/SoftObjectPtr.h"
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#include "ConstraintChannel.generated.h"
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USTRUCT()
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struct FMovieSceneConstraintChannel : public FMovieSceneBoolChannel
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{
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GENERATED_BODY()
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FMovieSceneConstraintChannel() {};
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/**
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* Access a mutable interface for this channel's data
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*
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* @return An object that is able to manipulate this channel's data
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*/
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virtual TMovieSceneChannelData<bool> GetData() override
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{
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return TMovieSceneChannelData<bool>(&Times, &Values, this, &KeyHandles);
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}
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/**
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* Access a constant interface for this channel's data
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*
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* @return An object that is able to interrogate this channel's data
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*/
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virtual TMovieSceneChannelData<const bool> GetData() const override
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{
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return FMovieSceneBoolChannel::GetData();
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}
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/**
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* Evaluate this channel
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*
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* @param InTime The time to evaluate at
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* @param OutValue A value to receive the result
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* @return true if the channel was evaluated successfully, false otherwise
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*/
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CONSTRAINTS_API virtual bool Evaluate(FFrameTime InTime, bool& OutValue) const override;
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/**
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* Checks whether this constraint channel is infinite
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* @return true if there are no keys and the default value is set to true.
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*/
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CONSTRAINTS_API bool IsInfinite() const;
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#if WITH_EDITOR
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using ExtraLabelFunction = TFunction< FString() >;
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ExtraLabelFunction ExtraLabel;
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#endif
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};
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template<>
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struct TStructOpsTypeTraits<FMovieSceneConstraintChannel> : public TStructOpsTypeTraitsBase2<FMovieSceneConstraintChannel>
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{
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enum { WithStructuredSerializeFromMismatchedTag = true };
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};
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template<>
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struct TMovieSceneChannelTraits<FMovieSceneConstraintChannel> : TMovieSceneChannelTraitsBase<FMovieSceneConstraintChannel>
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{
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enum { SupportsDefaults = false };
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#if WITH_EDITOR
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/** Byte channels can have external values (ie, they can get their values from external objects for UI purposes) */
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typedef TMovieSceneExternalValue<bool> ExtendedEditorDataType;
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#endif
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};
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// #if WITH_EDITOR
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// namespace MovieSceneClipboard
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// {
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// template<> inline FName GetKeyTypeName<bool>()
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// {
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// static FName Name("Bool");
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// return Name;
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// }
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// }
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// #endif
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USTRUCT()
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struct FConstraintAndActiveChannel
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{
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GENERATED_USTRUCT_BODY()
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FConstraintAndActiveChannel() {}
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FConstraintAndActiveChannel(const TObjectPtr<UTickableConstraint>& InConstraint)
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: ConstraintCopyToSpawn(InConstraint)
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{};
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TObjectPtr<UTickableConstraint> GetConstraint() const { return ConstraintCopyToSpawn; }
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void SetConstraint(UTickableConstraint* InConstraint) { ConstraintCopyToSpawn = InConstraint; }
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UPROPERTY()
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FMovieSceneConstraintChannel ActiveChannel;
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private:
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UPROPERTY()
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TObjectPtr<UTickableConstraint> ConstraintCopyToSpawn;
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};
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