/******************************************************************************
 * Spine Runtimes Software License v2.5
 *
 * Copyright (c) 2013-2016, Esoteric Software
 * All rights reserved.
 *
 * You are granted a perpetual, non-exclusive, non-sublicensable, and
 * non-transferable license to use, install, execute, and perform the Spine
 * Runtimes software and derivative works solely for personal or internal
 * use. Without the written permission of Esoteric Software (see Section 2 of
 * the Spine Software License Agreement), you may not (a) modify, translate,
 * adapt, or develop new applications using the Spine Runtimes or otherwise
 * create derivative works or improvements of the Spine Runtimes or (b) remove,
 * delete, alter, or obscure any trademarks or any copyright, trademark, patent,
 * or other intellectual property or proprietary rights notices on or in the
 * Software, including any copy thereof. Redistributions in binary or source
 * form must include this license and terms.
 *
 * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
 * USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#include "SpinePluginPrivatePCH.h"

USpineBoneDriverComponent::USpineBoneDriverComponent () {
	bWantsBeginPlay = true;
	PrimaryComponentTick.bCanEverTick = true;
	bTickInEditor = true;
	bAutoActivate = true;
}

void USpineBoneDriverComponent::BeginPlay () {
	Super::BeginPlay();
}

void USpineBoneDriverComponent::BeforeUpdateWorldTransform(USpineSkeletonComponent* skeleton) {	
	AActor* owner = GetOwner();
	if (owner && skeleton == lastBoundComponent) {		
		skeleton->SetBoneWorldPosition(BoneName, owner->GetActorLocation() );
	}
}

void USpineBoneDriverComponent::TickComponent (float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) {
	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);

	if (Target) {
		USpineSkeletonComponent* skeleton = static_cast<USpineSkeletonComponent*>(Target->GetComponentByClass(USpineSkeletonComponent::StaticClass()));
		if (skeleton != lastBoundComponent) {
			// if (lastBoundComponent) lastBoundComponent->BeforeUpdateWorldTransform.RemoveAll(this);
			if (!skeleton->BeforeUpdateWorldTransform.GetAllObjects().Contains(this))
				skeleton->BeforeUpdateWorldTransform.AddDynamic(this, &USpineBoneDriverComponent::BeforeUpdateWorldTransform);
			lastBoundComponent = skeleton;
		}		
	}
}