#include "HierarchyInterface.h"

#include <windows.h>

namespace GtpVisibility {

//-----------------------------------------------------------------------
HierarchyInterface::HierarchyInterface(): 
mFrameId(0), mNumTraversedNodes(0), mSceneRoot(0), 
mPreviousNode(0), mCurrentTestIdx(0), mUseOptimization(false)
//, mIsShadowPass(false)
{	
	mDistanceQueue = new DistanceQueue(GreaterDistance<HierarchyNode *>(this));
}
//-----------------------------------------------------------------------
HierarchyInterface::~HierarchyInterface()
{		
	delete mDistanceQueue;
}
//-----------------------------------------------------------------------
void HierarchyInterface::SetSceneRoot(HierarchyNode *root)
{
	mSceneRoot = root;
}
//-----------------------------------------------------------------------
void HierarchyInterface::InitFrame(HierarchyNode *root)
{
	++ mFrameId;
	mCurrentTestIdx = 0;
	mNumTraversedNodes = 0;
	mRenderedNodes.clear();

	SetSceneRoot(root);
	mDistanceQueue->push(mSceneRoot);
}
//-----------------------------------------------------------------------
unsigned int HierarchyInterface::GetFrameId() const
{
	return mFrameId;
}
//-----------------------------------------------------------------------
DistanceQueue *HierarchyInterface::GetQueue()
{
	return mDistanceQueue;
}
//-----------------------------------------------------------------------
bool HierarchyInterface::CheckFrustumVisible(HierarchyNode *node)
{
	bool intersects = false;
	return CheckFrustumVisible(node, intersects);
}
//-----------------------------------------------------------------------
HierarchyNode *HierarchyInterface::GetSceneRoot() const 
{
	return mSceneRoot;
}
//-----------------------------------------------------------------------
unsigned int HierarchyInterface::GetNumTraversedNodes()
{
	return mNumTraversedNodes;
}
//-----------------------------------------------------------------------
unsigned int HierarchyInterface::GetNumRenderedNodes()
{
	return (unsigned int)mRenderedNodes.size();
}
//-----------------------------------------------------------------------
void HierarchyInterface::SetUseOptimization(bool useOptimization)
{
	mUseOptimization = useOptimization;
}
//-----------------------------------------------------------------------
std::vector<HierarchyNode *> *HierarchyInterface::GetRenderedNodes()
{
	return &mRenderedNodes;
}

} // namespace GtpVisibility