#include "stdafx.h"
#include "SGameSceneManager.h"
#include "SGameScene.h"
#include "TemplateUtil.h"
#include <functional>
#include <algorithm>
#include "KViewport.h"

void rp::SGameSceneManager::tick( DWORD time )
{
	mTimer.setTime( time );

	
	if( !mGarbages.empty() )
	{
		scene_vector_t::iterator eoGarbage = mGarbages.end();
		for( scene_vector_t::iterator it = mGarbages.begin(); it != eoGarbage; ++it )
			_removeScene( **it );
		mGarbages.clear();
	}

	scene_vector_t::iterator it = mScenes.begin(), end = mScenes.end();
	for( ; it != end; ++it )
	{
		SGameSceneIPtr Scene = *it;
		if( Scene->isActivated() )
			Scene->onTick();
	}
	
}
void rp::SGameSceneManager::render( KViewportObject* viewport )
{
	scene_vector_t::iterator it = mScenes.begin(), end = mScenes.end();
	for( ; it != end; ++it )
	{
		SGameSceneIPtr Scene = *it;
		if( Scene->isActivated() && Scene->isVisible() )
			Scene->onRender( viewport );
	}
}
void rp::SGameSceneManager::addScene( SGameScene& scene )
{
	//_ASSERTE( _CrtCheckMemory( ) );
	scene.onEnter();
	mScenes.push_back( &scene );
}
// 2010.07.06 - prodongi
void rp::SGameSceneManager::addScene(SGameScene& scene, SGameScene const* _where)
{
	scene_vector_t::iterator it = mScenes.begin();
	for (; it != mScenes.end(); ++it)
	{
		if (*it == _where)
		{
			scene.onEnter();
			mScenes.insert(it, &scene);
			return ;
		}
	}
	addScene(scene);
}
void rp::SGameSceneManager::removeScene( SGameScene& scene )
{
	mGarbages.push_back( &scene );
}
void rp::SGameSceneManager::removeScene2( SGameScene& scene )
{
	_removeScene( scene );
}

void rp::SGameSceneManager::_removeScene( SGameScene& scene )
{
	scene_vector_t::iterator it = mScenes.begin(), end = mScenes.end();
	for( ; it != end; ++it )
	{
		if( (*it) == &scene )
		{
			scene.onLeave();
			(*it) = mScenes.back();
			mScenes.pop_back();
			break;
		}
	}
}