genesis-3d_engine/Engine/app/basegamefeature/managers/sceneschedulemanager.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
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THE SOFTWARE.
****************************************************************************/
#include "stdneb.h"
#include "exception/exceptions.h"
#include "graphicsystem/Vision/RenderScene.h"
#include "basegamefeature/managers/sceneschedulemanager.h"
#include "graphicfeature/graphicsfeature.h"
#include "graphicfeature/components/cameracomponent.h"
#include "serialization/serializeserver.h"
#include "vegetationfeature/vegetationfeature.h"
#include "appframework/actormanager.h"
#include "Lightmap/lightmapSetting.h"
#include "profilesystem/ProfileSystem.h"

namespace App
{
	class CameraLoadListener : public App::CameraComponentLoadListener
	{
	public:
		CameraLoadListener()
		{

		}
		~CameraLoadListener()
		{

		}

		typedef Util::Array<CameraComponent*> CameraComponentList;

		virtual void OnLoad(CameraComponent* sender)
		{
			LoadCameraComList.Append(sender);
		}

		CameraComponent* GetLastCameraCom()
		{
			for(IndexT i = LoadCameraComList.Size() - 1; i >= 0; i--)
			{
				CameraComponent* pCom = LoadCameraComList[i];
				if(pCom 
					&& pCom->GetActor() 
					&& pCom->GetActor()->IsActive()
					)
				{
					return pCom;
				}
			}
			return NULL;
		}

		CameraComponentList LoadCameraComList;
	};

	static CameraLoadListener sCameraLoadListener;

	__ImplementClass(App::SceneScheduleManager, 'GSSM', App::Manager);
	__ImplementThreadSingleton(App::SceneScheduleManager);

	//------------------------------------------------------------------------
	SceneScheduleManager::SceneScheduleManager()
		: mMainRenderScene(NULL)
	{
		__ConstructThreadSingleton;
	}
	//------------------------------------------------------------------------
	SceneScheduleManager::~SceneScheduleManager()
	{
		__DestructThreadSingleton;			
		if (mMainRenderScene)
		{
			mMainRenderScene->Destroy();
			n_delete(mMainRenderScene);
			mMainRenderScene = NULL;
		}		
	}

	void SceneScheduleManager::Open()
	{
		n_assert(NULL == mMainRenderScene);
		mMainRenderScene = n_new(Graphic::RenderScene);
		mMainRenderScene->Setup();
		
	}

	void SceneScheduleManager::OnBeginFrame()
	{
		mScenesDelayDel.Clear();
	}

	void SceneScheduleManager::Close()
	{
		CloseAllScenes();
	}

	//------------------------------------------------------------------------
	SceneScheduleManager::ScenePtr SceneScheduleManager::OpenScene(const Util::String& sceneName, bool newScene, bool privateScene)
	{
#ifdef __PROFILER_IO__
		//begint tick
		PROFILER_IO_TICKBEGIN(tickBegin);
		PROFILER_IO_LOGTIMES("open scene begin, %s",sceneName.Get());
#endif
		ScenePtr scene = NULL;
		if (sceneName.Length() < 1)
		{
			n_warning("SceneScheduleManager::OpenScene(): scene file name invalid!\n" );
			return scene;	
		}

		sCameraLoadListener.LoadCameraComList.Clear();
		CameraComponent::RegisterLoadListener(&sCameraLoadListener);

		if ( newScene )
		{
			scene = App::Scene::Create();
			n_assert( scene );
			scene->_Open(privateScene);
			scene->SetName(sceneName);
		}
		else
		{
			scene = GetScene(sceneName);
			if(scene)
			{
				this->CloseScene(scene);
				scene = NULL;
			}
			
			Serialization::SerializationServer* pSerialzeMgr = Serialization::SerializationServer::Instance();
			n_assert( pSerialzeMgr );

			// - FT_UNKONW means:let the the function to distinguish the file type
			GPtr<Serialization::SerializeReader> pReader = pSerialzeMgr->OpenReadFile( sceneName, Serialization::FT_DEFAULT );
			if ( pReader )
			{
				try
				{
					Scene::_Load(pReader, scene, privateScene);
					
				}
				catch(const Exceptions::Exception& e)
				{
					if (scene.isvalid())
					{
						scene->_Close();
						scene = NULL;
					}
					n_warning( "SceneScheduleManager::OpenScene(): read %s failed:%s\n", sceneName.AsCharPtr(), e.what() );

				}
				pSerialzeMgr->CloseReadFile( pReader );		
			}
		}

		if (scene.isvalid())
		{
			mScenes.Append(scene);

			if( sCameraLoadListener.LoadCameraComList.Size() )
			{
				if(sCameraLoadListener.GetLastCameraCom())
				{
					Graphic::Camera* camera = sCameraLoadListener.GetLastCameraCom()->GetCameraObject();

					n_assert( camera && camera->GetRenderScene());
					camera->GetRenderScene()->SetDefaultCamera(camera);
				}
			}

			if (!privateScene)
			{
				_SetMainScene(scene->GetName());
				scene->_ApplyEnvironment(true);
				
			}
			else
			{
				scene->_ApplyEnvironment();
			}
		}
#ifdef __PROFILER_IO__
		PROFILER_IO_TICKEND(tickBegin,delta);
		PROFILER_IO_LOGTIMES("open scene end,time consume: %f ms",__tick_delta_delta/1000.f);
#endif
		return scene;
	}

	GPtr<Scene> SceneScheduleManager::GetScene(const Util::String& sceneName) const
	{
		Scenes::Iterator it = mScenes.Begin();
		Scenes::Iterator end = mScenes.End();
		while(it != mScenes.End())
		{
			if ((*it)->GetName() == sceneName)
			{
				return *it;
			}
			++it;
		}
		return NULL;
	}

	bool SceneScheduleManager::_SetMainScene(const Util::String& sceneName)
	{
		ScenePtr ptr = GetScene(sceneName);
		if (ptr)
		{
			mMainScene = ptr;
			return true;
		}
		return false;
	}

	bool SceneScheduleManager::CloseScene(const Util::String& sceneName)
	{
		Scenes::Iterator it = mScenes.Begin();
		Scenes::Iterator end = mScenes.End();
		while(it != mScenes.End())
		{
			if ((*it)->GetName() == sceneName)
			{
				(*it)->_Close();
				if (mMainScene == (*it))
				{
					mMainScene = NULL;
				}
				mScenesDelayDel.Append(*it);//ֻΪ<D6BB><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ֡<D2BB>ٿ<EFBFBD>ʼ<EFBFBD><CABC>
				mScenes.Erase(it);
				return true;
			}
			++it;
		}
		return false;
	}

	bool SceneScheduleManager::CloseScene(ScenePtr& scene)
	{
		Scenes::Iterator it = mScenes.Find(scene);
		if(it != mScenes.End())
		{
			(*it)->_Close();
			if (mMainScene == (*it))
			{
				mMainScene = NULL;
			}
			mScenesDelayDel.Append(scene);
			mScenes.Erase(it);
			return true;
		}
		return false;
	}

	void SceneScheduleManager::CloseAllScenes()
	{
		if ( VegetationFeature::HasInstance())
		{
			VegetationFeature::Instance()->ReActive();
		}
		Scenes::Iterator it = mScenes.Begin();
		Scenes::Iterator end = mScenes.End();
		while(it != mScenes.End())
		{
			(*it)->_Close();
			++it;
		}
		mScenesDelayDel.AppendArray(mScenes);
		mScenes.Clear();
		mMainScene = NULL;
		//<2F>ͷ<EFBFBD>lightmap<61><70>Դ
		LightmapSetting::GetInstance().ClearLightmapInfos();
	}
	//------------------------------------------------------------------------
	bool SceneScheduleManager::SaveScene(const Util::String& sceneFile )
	{
		return SaveScene(sceneFile, Serialization::FT_BINARY );
	}
	//------------------------------------------------------------------------
	bool SceneScheduleManager::SaveScene(const Util::String& sceneFile, int iFileType)
	{
		// - check if it is a valid file type
		if ( iFileType<0 || 
			iFileType>=Serialization::FT_NUM  )
		{
			return false;
		}

		bool ret = false;
		Serialization::FileType eFileType = static_cast<Serialization::FileType>( iFileType );
		ScenePtr scene = GetScene(sceneFile);
		if ( !scene.isvalid() || 
			sceneFile.Length() < 1)
		{	
			return ret;
		}	

		Serialization::SerializationServer* pSerialzeMgr = Serialization::SerializationServer::Instance();
		n_assert( pSerialzeMgr );

		GPtr<Serialization::SerializeWriter> pWriter = pSerialzeMgr->OpenWriteFile( sceneFile, eFileType );
		if ( pWriter )
		{
			pWriter->SerializeObject( scene );
			pSerialzeMgr->CloseWriteFile( pWriter );
			ret = true;
		}

		/// load terrain data
		const IndexT actorCount = scene->GetActorCount();
		for ( IndexT iActor = 0; iActor < actorCount; ++iActor )
		{
			const GPtr<Actor>& pActor = scene->GetActor( iActor );
			if ( pActor )
			{
				pActor->SaveTerrainFile();
			}
		}

		

		return ret;
	}

}