#include "OgreVisibilityOptionsManager.h"

namespace Ogre {
//-----------------------------------------------------------------------
VisibilityOptionsManager::VisibilityOptionsManager(
							GtpVisibility::VisibilityManager *visManager, 
							PlatformHierarchyInterface *hierarchyInterface):
mVisibilityManager(visManager), 
mHierarchyInterface(hierarchyInterface)
{
}
//-----------------------------------------------------------------------
bool VisibilityOptionsManager::setOption(const String & key, const void * val)
{
	if (key == "Algorithm")
	{
		// delete old queries (not needed for e.g., view frustum culling)
		// note cannot be deleted because of new ogre occlusion query 
		// implementation there we cannot just delete the queries, so 
		// they would stay!
		// mHierarchyInterface->ResetQueries();
		mVisibilityManager->SetCullingManager(*static_cast<const 
			GtpVisibility::VisibilityEnvironment::CullingManagerType *>(val));
		return true;
	}
	if (key == "Threshold")
	{
		mVisibilityManager->SetVisibilityCullingThreshold(*static_cast<const int *>(val));
		return true;
	}
	if (key == "AssumedVisibility")
	{
		mVisibilityManager->SetAssumedVisibilityForChc(*static_cast<const int *>(val));
		return true;
	}
	if (key == "TestGeometryForVisibleLeaves")
	{
		mHierarchyInterface->TestGeometryForVisibleLeaves(*static_cast<const bool *>(val));
		return true;
	}
	
	return false;
}
//-----------------------------------------------------------------------
bool VisibilityOptionsManager::getOption( const String & key, void *val )
{
	if (key == "NumTraversedNodes")
	{
		* static_cast <unsigned int *>(val) = 
			mHierarchyInterface->GetNumTraversedNodes();
		return true;
	}
	if (key == "NumRenderedNodes")
	{
		* static_cast <unsigned int *>(val) = 
			mHierarchyInterface->GetNumRenderedNodes();
		return true;
	}
	if (key == "NumQueryCulledNodes")
	{
		* static_cast <unsigned int *>(val) = 
			mVisibilityManager->GetCullingManager()->GetNumQueryCulledNodes();
		return true;
	}
	if (key == "NumFrustumCulledNodes")
	{
		* static_cast<unsigned int *>(val) = 
			mVisibilityManager->GetCullingManager()->GetNumFrustumCulledNodes();
		return true;
	}
	if (key == "NumQueriesIssued")
	{
		* static_cast<unsigned int *>(val) = 
			mVisibilityManager->GetCullingManager()->GetNumQueriesIssued();
		return true;
	}
	
	return false;
}
//-----------------------------------------------------------------------
bool VisibilityOptionsManager::getOptionKeys(StringVector & refKeys)
{
	refKeys.push_back("NumRenderedNodes");
	refKeys.push_back("NumTraversedNodes");
	refKeys.push_back("NumQueryCulledNodes");
	refKeys.push_back("NumFrustumCulledNodes");
	refKeys.push_back("NumQueriesIssued");
	
	return true;
}
} // namespace Ogre