#include "stdafx.h"
#include "SGameScene.h"
#include "SGameSceneActor.h"
#include "SGameSceneManager.h"

using namespace rp;

SGameScene::SGameScene( SGameSceneManager& sceneMgr, SGameScene* parent, const char* sceneName )
	: mSceneMgr			( sceneMgr )
	, mParent			( parent )
	, mSceneName		( sceneName )
	, mIsActivated		( false )
	, mLocalVisibility	( 1.f )
	, mWorldVisibility	( 1.f )
{
}

SGameScene::~SGameScene()
{
}

void SGameScene::onTick()
{
	if( !mActors.empty() )
		std::for_each( mActors.begin(), mActors.end(), std::bind2nd( std::mem_fun( &SGameSceneActor::update ), this ) );
}

void SGameScene::activate( bool activity ) 
{
	if( mIsActivated != activity )
	{
		mIsActivated = activity;
		if( mIsActivated )
		{
			if( !mActors.empty() )
				std::for_each( mActors.begin(), mActors.end(), std::mem_fun( &SGameSceneActor::onActivate ) );
			onActivate();
		}
		else
		{
			if( !mActors.empty() )
				std::for_each( mActors.begin(), mActors.end(), std::mem_fun( &SGameSceneActor::onDeactivate ) );
			onDeactivate();
		}
	}
}

void SGameScene::updateVisibility()
{
	if( mParent )
		mWorldVisibility = mLocalVisibility * mParent->getWorldVisibility();
	else
		mWorldVisibility = mLocalVisibility;
}

void SGameScene::registerActor( SGameSceneActor& actor )
{
	mActors.push_back( &actor );
}