77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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// Copyright 2019-Present LexLiu. All Rights Reserved.
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#pragma once
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#include "LTweener.h"
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#include "LTween.h"
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#include "Engine/World.h"
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#include "LTweenerFrame.generated.h"
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UCLASS(NotBlueprintType)
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class LTWEEN_API ULTweenerFrame:public ULTweener
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{
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GENERATED_BODY()
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public:
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uint32 startFrameNumber = 0;//b
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uint32 endFrameNumber = 0;//c
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void SetInitialValue(int newEndValue)
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{
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this->startFrameNumber = GFrameNumber;
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this->endFrameNumber = GFrameNumber + newEndValue;
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}
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protected:
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virtual void OnStartGetValue() override
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{
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}
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virtual bool ToNext(float deltaTime, float unscaledDeltaTime) override
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{
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if (auto world = GetWorld())
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{
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if (world->IsPaused() && affectByGamePause)return true;
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}
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if (isMarkedToKill)return false;
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if (isMarkedPause)return true;//no need to tick time if pause
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if (!startToTween)
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{
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startToTween = true;
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onStartCpp.ExecuteIfBound();
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}
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if (GFrameNumber >= endFrameNumber)
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{
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onUpdateCpp.ExecuteIfBound(1.0f);
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onCompleteCpp.ExecuteIfBound();
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return false;
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}
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else
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{
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onUpdateCpp.ExecuteIfBound((float)(GFrameNumber - startFrameNumber) / (endFrameNumber - startFrameNumber));
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return true;
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}
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}
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virtual void TweenAndApplyValue(float currentTime) override
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{
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}
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virtual ULTweener* SetDelay(float newDelay)override
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{
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UE_LOG(LTween, Error, TEXT("[LTweenerFrame::SetDelay]LTweenerFrame does not support delay!"));
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return this;
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}
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virtual ULTweener* SetLoop(ELTweenLoop newLoopType, int32 newLoopCount)override
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{
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UE_LOG(LTween, Error, TEXT("[LTweenerFrame::SetLoop]LTweenerFrame does not support loop!"));
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return this;
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}
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virtual void SetValueForIncremental() override
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{
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}
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virtual void SetOriginValueForRestart() override
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{
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auto changeValue = endFrameNumber - startFrameNumber;
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startFrameNumber = GFrameNumber;
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endFrameNumber = GFrameNumber + changeValue;
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}
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};
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