genesis-3d_engine/Engine/addons/particles/particletechniqueserialization.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU

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#include "stdneb.h"
#include "particles/particletechnique.h"

namespace Particles
{
	using namespace Serialization;

	const char* s_TechniqueName = "TechniqueName";
	const char* s_TechniquePosition = "TechniquePosition";
	const char* s_TechniqueUseExternBB = "TechniqueUseExternBB";
	const char* s_TechniqueExternBB = "TechniqueExternBB";
	const char* s_TechniqueQuota = "TechniqueQuota";
	const char* s_EmitterCount = "EmitterCount";
	const char* s_AffectorCount = "AffectorCount";
	const char* s_TargetCount = "TargetCount";

	const char* s_IsMoveWorldCoor = "IsMoveWorldCoor";

	class ParticleTechniqueSerialization
	{
	public:
		//------------------------------------------------------------------------
		void Load( ParticleTechnique* obj,  SVersion ver, SerializeReader* pReader )
		{
			if ( 1 == ver )
			{
				Load_1(obj, pReader);
				return;
			}
			if ( 2 == ver )
			{
				Load_2(obj, pReader);
				return;
			}
			n_error(" %s Load unknown version.\n", obj->GetClassName().AsCharPtr() );
		}
		//------------------------------------------------------------------------
		void Load_2(ParticleTechnique* obj, SerializeReader* pReader)
		{

			bool moveType;
			pReader->SerializeBool(s_IsMoveWorldCoor, moveType );
			obj->SetMoveWorldCoord( moveType );

			Load_1(obj, pReader);
		}
		//------------------------------------------------------------------------
		void Load_1(ParticleTechnique* obj, SerializeReader* pReader)
		{
			Util::String name;
			pReader->SerializeString( s_TechniqueName, name );
			obj->SetName( name );

			Math::float3 pos;
			pReader->SerializeFloat3( s_TechniquePosition, pos );
			obj->SetPosition( pos );

			bool useExternBB;
			pReader->SerializeBool( s_TechniqueUseExternBB, useExternBB );
			obj->SetUseExternBoundingBox( useExternBB );

			Math::bbox bb;
			pReader->SerializeBBox( s_TechniqueExternBB, bb );
			obj->SetExternBoundingBox( bb );

			SizeT quota;
			pReader->SerializeInt( s_TechniqueQuota, quota );
			obj->SetParticleQuota( quota );

			SizeT emmiterCount;
			pReader->SerializeInt( s_EmitterCount,  emmiterCount);
			for ( IndexT index = 0; index < emmiterCount; ++index )
			{
				ParticleEmitterPtr emitter = pReader->SerializeObject<ParticleEmitter>();
				n_assert( emitter.isvalid() );
				obj->AddEmitter( emitter );

				if ( emitter->IsA( Particles::ModelEmitter::RTTI ) )
					obj->SetLoadEmitterMesh(false);
			}

			SizeT affectorCount;
			pReader->SerializeInt( s_AffectorCount,  affectorCount);
			for( IndexT index = 0; index < affectorCount; ++index )
			{
				ParticleAffectorPtr affector =  pReader->SerializeObject<ParticleAffector>();
				n_assert( affector.isvalid() );
				obj->AddAffector( affector );
			}

			SizeT targetCount;
			pReader->SerializeInt( s_TargetCount, targetCount );
			if ( targetCount == 1 )
			{
				ParticleTargetPtr target = pReader->SerializeObject<ParticleTarget>();
				n_assert( target.isvalid() );
				obj->SetTarget( target );
			}


		}
		//------------------------------------------------------------------------
		void Save( const ParticleTechnique* obj, SerializeWriter* pWriter )
		{
			pWriter->SerializeBool( s_IsMoveWorldCoor, obj->IsMoveWorldCoord() );

			pWriter->SerializeString( s_TechniqueName, obj->GetName() );
			pWriter->SerializeFloat3( s_TechniquePosition, obj->GetPosition() );
			pWriter->SerializeBool( s_TechniqueUseExternBB, obj->IsUseExternBoundingBox() );
			pWriter->SerializeBBox( s_TechniqueExternBB, obj->GetExternBoundingBox() );
			pWriter->SerializeInt( s_TechniqueQuota, obj->GetParticleQuota() );

			SizeT emmiterCount = obj->GetEmitterCount();
			pWriter->SerializeInt( s_EmitterCount,  emmiterCount);
			for ( IndexT index = 0; index < emmiterCount; ++index )
			{
				const ParticleEmitterPtr& emitter = obj->GetEmitter( index );
				pWriter->SerializeObject( emitter );
			}

			SizeT affectorCount = obj->GetAffectorCount();
			pWriter->SerializeInt( s_AffectorCount,  affectorCount);
			for( IndexT index = 0; index < affectorCount; ++index )
			{
				const ParticleAffectorPtr& affector = obj->GetAffector(index);
				pWriter->SerializeObject( affector );
			}

			const ParticleTargetPtr& target = obj->GetTarget();
			if ( target.isvalid() )
			{
				pWriter->SerializeInt( s_TargetCount, 1 );
				pWriter->SerializeObject( target );
			}
			else
			{
				pWriter->SerializeInt( s_TargetCount, 0 );
			}
		}
	};

	//------------------------------------------------------------------------
	// @ISerialization::GetVersion. when change storage, must add SerializeVersion count
	SVersion ParticleTechnique::GetVersion() const
	{
		return 2;	//
	}

	//------------------------------------------------------------------------
	// @ISerialization::Load 
	void ParticleTechnique::Load( SVersion ver, SerializeReader* pReader, const Serialization::SerializationArgs* args )
	{
		ParticleTechniqueSerialization Serialize;
		Serialize.Load( this, ver, pReader );
	}

	//------------------------------------------------------------------------
	// @ISerialization::Save
	void ParticleTechnique::Save( SerializeWriter* pWriter ) const
	{
		ParticleTechniqueSerialization Serialize;
		Serialize.Save( this, pWriter );
	}
	//------------------------------------------------------------------------
	void ParticleTechnique::CopyFrom( const GPtr<ParticleTechnique>& technique )
	{
		SetName( technique->GetName() );
		SetPosition( technique->GetPosition() );
		SetUseExternBoundingBox( technique->IsUseExternBoundingBox() );
		SetExternBoundingBox( technique->GetExternBoundingBox() );
		SetParticleQuota( technique->GetParticleQuota() );
		SetMoveWorldCoord(technique->IsMoveWorldCoord());

		SizeT emmiterCount = technique->GetEmitterCount();
		for ( IndexT index = 0; index < emmiterCount; ++index )
		{
			const ParticleEmitterPtr& emitter = technique->GetEmitter( index );

			ParticleEmitterPtr dest = Clone( emitter );
			AddEmitter( dest );
		}

		SizeT affectorCount = technique->GetAffectorCount();
		for( IndexT index = 0; index < affectorCount; ++index )
		{
			const ParticleAffectorPtr& affector = technique->GetAffector(index);

			ParticleAffectorPtr dest = Clone( affector );
			AddAffector( dest );
		}

		const ParticleTargetPtr& target = technique->GetTarget();
		if ( target.isvalid() )
		{
			ParticleTargetPtr dest = Clone( target );
			SetTarget( dest );
		}
	}
}