[ue4] Fixed up PR #1251.

spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Private/SpineSkeletonAnimationComponent.cpp

@@ -78,6 +78,7 @@ USpineSkeletonAnimationComponent::USpineSkeletonAnimationComponent () {
 	PrimaryComponentTick.bCanEverTick = true;
 	bTickInEditor = true;
 	bAutoActivate = true;
+	bAutoPlaying = true;
 }
 
 void USpineSkeletonAnimationComponent::BeginPlay() {
@@ -94,7 +95,7 @@ void USpineSkeletonAnimationComponent::TickComponent(float DeltaTime, ELevelTick
 void USpineSkeletonAnimationComponent::InternalTick(float DeltaTime, bool CallDelegates) {
 	CheckState();
 
-	if (state) {
+	if (state && bAutoPlaying) {
 		state->update(DeltaTime);
 		state->apply(*skeleton);
 		if (CallDelegates) BeforeUpdateWorldTransform.Broadcast(this);
@@ -160,6 +161,36 @@ void USpineSkeletonAnimationComponent::FinishDestroy () {
 	Super::FinishDestroy();
 }
 
+void USpineSkeletonAnimationComponent::SetAutoPlay(bool bInAutoPlays)
+{
+	bAutoPlaying = bInAutoPlays;
+}
+
+void USpineSkeletonAnimationComponent::SetPlaybackTime(float InPlaybackTime, bool bCallDelegates)
+{
+	CheckState();
+
+	if (state && state->getCurrent(0)) {
+		spine::Animation* CurrentAnimation = state->getCurrent(0)->getAnimation();
+		const float CurrentTime = state->getCurrent(0)->getTrackTime();
+		InPlaybackTime = FMath::Clamp(InPlaybackTime, 0.0f, CurrentAnimation->getDuration());
+		const float DeltaTime = InPlaybackTime - CurrentTime;
+		state->update(DeltaTime);
+		state->apply(*skeleton);
+
+		//Call delegates and perform the world transform
+		if (bCallDelegates)
+		{
+			BeforeUpdateWorldTransform.Broadcast(this);
+		}
+		skeleton->updateWorldTransform();
+		if (bCallDelegates)
+		{
+			AfterUpdateWorldTransform.Broadcast(this);
+		}
+	}
+}
+
 void USpineSkeletonAnimationComponent::SetTimeScale(float timeScale) {
 	CheckState();
 	if (state) state->setTimeScale(timeScale);

spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/Public/SpineSkeletonAnimationComponent.h

@@ -195,6 +195,16 @@ public:
 
 	virtual void FinishDestroy () override;
 
+	//Added functions for manual configuration
+
+	/* Manages if this skeleton should update automatically or is paused. */
+	UFUNCTION(BlueprintCallable, Category="Components|Spine|Animation")
+	void SetAutoPlay(bool bInAutoPlays);
+
+	/* Directly set the time of the current animation, will clamp to animation range. */
+	UFUNCTION(BlueprintCallable, Category = "Components|Spine|Animation")
+	void SetPlaybackTime(float InPlaybackTime, bool bCallDelegates = true);
+	
 	// Blueprint functions
 	UFUNCTION(BlueprintCallable, Category="Components|Spine|Animation")
 	void SetTimeScale(float timeScale);
@@ -255,4 +265,9 @@ protected:
 	// in transit within a blueprint
 	UPROPERTY()
 	TSet<UTrackEntry*> trackEntries;
+
+private:
+	/* If the animation should update automatically. */
+	UPROPERTY()
+	bool bAutoPlaying;
 };