#include "stdafx.h"
#include "SGameSceneGroup.h"
#include "SGameSceneManager.h"
#include "SGameScenePlayer.h"
#include "KViewport.h"

using namespace rp;

SGameSceneGroup::SGameSceneGroup( 
	  SGameSceneManager& sceneMgr
	, SGameScene* parent
	, const char* sceneName )
	: SGameScene( sceneMgr, parent, sceneName )
{
}

SGameSceneGroup::~SGameSceneGroup()
{
}

void SGameSceneGroup::onEnter()
{
	std::for_each( mChildren.begin(), mChildren.end(), std::mem_fun( &SGameScene::onEnter ) );
}

void SGameSceneGroup::onLeave()
{
	std::for_each( mChildren.begin(), mChildren.end(), std::mem_fun( &SGameScene::onLeave ) );
}

void SGameSceneGroup::onActivate()
{
	std::for_each( mChildren.begin(), mChildren.end(), std::mem_fun( &SGameScene::onActivate ) );
}

void SGameSceneGroup::onDeactivate()
{
	std::for_each( mChildren.begin(), mChildren.end(), std::mem_fun( &SGameScene::onDeactivate ) );
}

void SGameSceneGroup::onTick()
{
	SGameScene::onTick();

	updateVisibility();

	children_t::iterator it = mChildren.begin(), end = mChildren.end();
	for( ; it != end; ++it )
	{
		SGameSceneIPtr Scene = *it;
		if( Scene->isActivated() )
			Scene->onTick();
	}
}

void SGameSceneGroup::onRender( KViewportObject* viewport )
{
	children_t::iterator it = mChildren.begin(), end = mChildren.end();
	for( ; it != end; ++it )
	{
		SGameSceneIPtr Scene = *it;
		if( Scene->isActivated() && Scene->isVisible() )
			Scene->onRender( viewport );
	}
}

void SGameSceneGroup::addChild( SGameScene* scene )
{
	mChildren.push_back( scene );
}

void SGameSceneGroup::removeChild( SGameScene* scene )
{
	children_t::iterator found = std::find( mChildren.begin(), mChildren.end(), scene );
	if( found != mChildren.end() )
	{
		mChildren.erase( found );
	}
}

SGameScene* SGameSceneGroup::getChildByName( const char* sceneName )
{
	children_t::iterator found = std::find_if( mChildren.begin(), mChildren.end(), SceneFinder( sceneName ) );
	if( found != mChildren.end() )
	{
		return *found;
	}
	return 0;
}

SGameScene* SGameSceneGroup::getChildByIndex( unsigned int index )
{
	if( index >= 0 && index < getSize() )
		return mChildren.at( index );
	return 0;
}

unsigned int SGameSceneGroup::getSize() const
{
	return mChildren.size();
}

bool SGameSceneGroup::isEmpty() const
{
	return mChildren.empty();
}