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#include "gfCDrawOrderStateComponent.h"

#include <fsAppCore/src/fsILevelBasedAppCoreMain.h>

const fsCUniqueId gfCDrawOrderStateComponent::mTypeId("fsIDrawOrderState");


void gfCDrawOrderStateComponent::serialiseDo()
{
	fsIComponent::serialiseDo();

	parentGet()->strSerialise(nextNameGet());
	parentGet()->strSerialise(prevNameGet());
	parentGet()->strSerialise(grandparentGet()->nameGet());
}

void gfCDrawOrderStateComponent::deserialiseDo()
{
	fsIComponent::deserialiseDo();

	linkNext(parentGet()->strDeserialise());
	linkPrev(parentGet()->strDeserialise());
	mSerialisedSceneParentName = parentGet()->strDeserialise();
}

gfCDrawOrderStateComponent* const gfCDrawOrderStateComponent::next()
{
	return mNextInDrawOrder;
}

void gfCDrawOrderStateComponent::clear()
{
	mNextInDrawOrder = nullptr;
	mPrevInDrawOrder = nullptr;
}

fsBool gfCDrawOrderStateComponent::notLinked() const
{
	return nullptr == mNextInDrawOrder && nullptr == mPrevInDrawOrder;
}

fsCEntity* const gfCDrawOrderStateComponent::namedSiblingGet(const fsStr& pName)
{
	return appSceneEntityNamed(pName);
}

void gfCDrawOrderStateComponent::linkNext(const fsStr& pLoadStr)
{
	if ("noLink" != pLoadStr)
	{
		mNextInDrawOrder = namedSiblingGet(pLoadStr)->componentGet<gfCDrawOrderStateComponent>();
	}
}

void gfCDrawOrderStateComponent::linkPrev(const fsStr& pLoadStr)
{
	if ("noLink" != pLoadStr)
	{
		mPrevInDrawOrder = namedSiblingGet(pLoadStr)->componentGet<gfCDrawOrderStateComponent>();
	}
}

fsStr gfCDrawOrderStateComponent::prevNameGet() const
{
	if (mPrevInDrawOrder)
	{
		return mPrevInDrawOrder->parentGet()->nameGet();
	}
	return "noLink";
}

fsStr gfCDrawOrderStateComponent::nextNameGet() const
{
	if (mNextInDrawOrder)
	{
		return mNextInDrawOrder->parentGet()->nameGet();
	}
	return "noLink";
}

void gfCDrawOrderStateComponent::addToTail(gfCDrawOrderStateComponent* const pNew)
{
	gfCDrawOrderStateComponent* const myTail = tailGet();
	gfCDrawOrderStateComponent* const newRoot = pNew->rootGet();
	newRoot->mPrevInDrawOrder = myTail;
	myTail->mNextInDrawOrder = newRoot;
}

gfCDrawOrderStateComponent* const gfCDrawOrderStateComponent::tailGet()
{
	gfCDrawOrderStateComponent* tail = this;
	while (tail->mNextInDrawOrder)
	{
		tail = tail->mNextInDrawOrder;
	}
	return tail;
}

gfCDrawOrderStateComponent* const gfCDrawOrderStateComponent::rootGet()
{
	gfCDrawOrderStateComponent* root = this;
	while (root->mPrevInDrawOrder)
	{
		root = root->mPrevInDrawOrder;
	}
	return root;
}

fsS32 gfCDrawOrderStateComponent::sizeGet()
{
	gfCDrawOrderStateComponent* curr = rootGet();<--- Variable 'curr' can be declared as pointer to const
	fsS32 size = 0;
	while (curr)
	{
		++size;
		curr = curr->mNextInDrawOrder;
	}
	return size;
}

fsIComponent* gfCDrawOrderStateComponent::create(fsCEntity* pParent)
{
	return new gfCDrawOrderStateComponent(pParent);
}

gfCDrawOrderStateComponent::gfCDrawOrderStateComponent(fsCEntity* const pParent):
	fsIComponent(pParent),
	mNextInDrawOrder(nullptr),
	mPrevInDrawOrder(nullptr)
{
}

gfCDrawOrderStateComponent::~gfCDrawOrderStateComponent()
{
}