genesis-3d_engine/Engine/app/Lightmap/lightMapSerialization.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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****************************************************************************/

#include "stdneb.h"
#include "Lightmap/lightmapSetting.h"
#include "serialization/serializeserver.h"
#include "appframework/serialization.h"

namespace App
{
	const char* s_IndexMapCounts = "IndexMapCounts";
	const char* s_LightmapIndex = "LightmapIndex";
	const char* s_LightmapName = "LightmapName";

	class LightMapSerialization
	{
	public:
		LightMapSerialization()
		{

		}
		inline void Load( LightmapSetting* obj, Version ver, AppReader* pReader)
		{
			if ( 1 == ver )
			{
				Load_1(obj, pReader);
				return;
			}
			if ( 2 == ver )
			{
				Load_2(obj, pReader);
				return;
			}
			n_error(" LightMapSerialization::Load unknonw version " );
		}

		void Load_1( LightmapSetting* obj, AppReader* pReader )
		{
			SizeT count;
			int lightmapIndex;
			Util::String  lightmapName;

			pReader->SerializeInt(s_IndexMapCounts, count);

			for (IndexT objIdx = 0; objIdx < count; ++ objIdx)
			{
				pReader->SerializeInt(s_LightmapIndex, lightmapIndex);
				pReader->SerializeString(s_LightmapName, lightmapName);
				obj->SetLightmap(lightmapIndex, 0, lightmapName);
			}
		}

		void Load_2( LightmapSetting* obj, AppReader* pReader )
		{
			SizeT count;
			int lightmapIndex;
			Util::String  lightmapName;

			pReader->SerializeInt(s_IndexMapCounts, count);

			for (IndexT objIdx = 0; objIdx < count; ++ objIdx)
			{
				pReader->SerializeInt(s_LightmapIndex, lightmapIndex);
				pReader->SerializeString(s_LightmapName, lightmapName);
				obj->SetLightmap(lightmapIndex, lightmapName);
			}
		}

		void Save( const LightmapSetting* obj , AppWriter* pWriter )
		{
			SizeT count = obj->GetLightmapCounts();

			pWriter->SerializeInt(s_IndexMapCounts, count);

			const LightmapIndexToName & indexmap = obj->GetINdexToNameMap();

			LightmapIndexToName::Iterator itBegin = indexmap.Begin();
			LightmapIndexToName::Iterator itEnd = indexmap.End();

			for (; itBegin != itEnd; ++itBegin)
			{
				int index = itBegin->Key();
				Resources::ResourceId currentResID = itBegin->Value();

				pWriter->SerializeInt(s_LightmapIndex, index);
				pWriter->SerializeString(s_LightmapName, currentResID.AsString());

			}
		}
	};

}

namespace App
{
	__ImplementClass(App::LightmapFile, 'LMIN', Core::RefCounted);

	//------------------------------------------------------------------------
	// @ISerialization::GetVersion. when change storage, must add SerializeVersion count
	Version LightmapFile::GetVersion() const
	{
		//	return 1;	
		return 2;   //  add lightmap subIndex
	}

	//------------------------------------------------------------------------
	// @ISerialization::Load 
	void LightmapFile::Load( Version ver, AppReader* pReader, const Serialization::SerializationArgs* args )
	{
		LightMapSerialization Serialize;
		LightmapSetting& lightmapSetting = LightmapSetting::GetInstance();
		Serialize.Load( &lightmapSetting, ver, pReader );
	}

	//------------------------------------------------------------------------
	// @ISerialization::Save
	void LightmapFile::Save( AppWriter* pWriter ) const
	{
		LightMapSerialization Serialize;
		LightmapSetting& lightmapSetting = LightmapSetting::GetInstance();
		Serialize.Save(&lightmapSetting,  pWriter );
	}
}