/****************************************************************************
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
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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****************************************************************************/
#ifndef __PARTICLE_MOVEMENT_AFFECTOR_H__
#define __PARTICLE_MOVEMENT_AFFECTOR_H__
#include "particles/particle_fwd_decl.h"
#include "particles/particleaffector.h"

namespace Particles
{
	class MovementAffector: public ParticleAffector
	{
		__DeclareSubClass( MovementAffector, ParticleAffector);

	public:

		MovementAffector();
		virtual ~MovementAffector(){};

		virtual void _affect(Particle* particle);

		virtual Math::MinMaxCurve* getMinMaxCurve(ParticleCurveType pct);
		void SetShaderParam();
		void InitShaderParam();
		void SetShaderMask(const GPtr<ShaderProgramCompiler::ShaderMarcro>& pMarcro);
		const Math::float3 _getEndPos(const Math::float3& pos,const Math::float3 speed,float time);
	protected:
		Math::MinMaxCurve			mMinMaxSpeed;

		Math::MinMaxCurve			mMinMaxPosX;
		Math::MinMaxCurve			mMinMaxPosY;
		Math::MinMaxCurve			mMinMaxPosZ;
		Math::float4				mShaderParam;

	public:
		// @ISerialization::GetVersion. when change storage, must add SerializeSVersion count
		virtual Serialization::SVersion GetVersion() const;

		// @ISerialization::Load 
		virtual void Load( Serialization::SVersion ver, Serialization::SerializeReader* pReader, const Serialization::SerializationArgs* args );

		// @ISerialization::Save
		virtual void Save( Serialization::SerializeWriter* pWriter ) const;

		// copy 
		virtual void CopyFrom( const ParticleAffectorPtr& affector );

	};

}

#endif