genesis-3d_engine/Engine/addons/resource/physxmaterialloader.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
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
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****************************************************************************/
#include "resource/resource_stdneb.h"
#include "physxmaterialloader.h"
#include "addons/serialization/serializeserver.h"

namespace Resources
{
	__ImplementClass(Resources::PhysXMaterialLoader,'PXLD',Resources::ResourceLoader);

	static const char* s_cPhysicsMatVersion  = "PhysicsMatVersion";
	static const char* s_cStaticFriction  = "StaticFriction";
	static const char* s_cDynamicFriction = "DynamicFriction";
	static const char* s_cRestitution	  = "Restitution";
	static const char* s_cStaticFrictionV  = "StaticFrictionV";
	static const char* s_cDynamicFrictionV = "DynamicFrictionV";
	static const char* s_cFrictionDirection  = "FrictionDirection";
	static const char* s_cFrictionCombineMode  = "FrictionCombineMode";
	static const char* s_cRestitutionCombineMode = "RestitutionCombineMode";

	PhysXMaterialLoader::PhysXMaterialLoader()
	{

	}

	PhysXMaterialLoader::~PhysXMaterialLoader()
	{

	}

	bool PhysXMaterialLoader::LoadResource( Resource* res )
	{
		using namespace  Serialization;

		if ( !res )
			return false;

		if ( res->GetRtti() != &PhysXMaterialRes::RTTI )
		{
			return false;
		}

		GPtr<Resource> pRes = res;
		GPtr<PhysXMaterialRes> pPhysXMaterialRes = pRes.downcast<PhysXMaterialRes>();
		n_assert(pPhysXMaterialRes);
		
		GPtr<Serialization::SerializeReader> pReader = SerializationServer::Instance()->OpenReadFile(mStream, Serialization::FT_AUTO);
		n_assert(pReader);

		bool bRet = LoadPhysXMaterialRes(pPhysXMaterialRes,pReader);
		bRet &= SerializationServer::Instance()->CloseReadFile(pReader);
		return bRet;
	}

	bool PhysXMaterialLoader::LoadPhysXMaterialRes( GPtr<PhysXMaterialRes>& pRes,GPtr<Serialization::SerializeReader>& pReader )
	{
		int version =1;

		//pReader->BeginFileSerialize();

		//if(pReader->HasAttr(s_cPhysicsMatVersion))
		//{
			pReader->SerializeInt(s_cPhysicsMatVersion,version);
		//}

		bool ret = LoadPhysXMaterialResByVersion(pRes,pReader,version);

		if(pRes->GetMat())
		{
			pRes->SetMat(NULL);
		}
		//pReader->EndFileSerialize();
		return ret;
	}

	bool PhysXMaterialLoader::LoadPhysXMaterialResByVersion( GPtr<PhysXMaterialRes>& pRes,GPtr<Serialization::SerializeReader>& pReader,int version )
	{
		float staticFriction = 0.f;
		float dynamicFriction = 0.f;
		float Restitution = 0.f;
		float staticFrictionV = 0.f;
		float dynamicFrictionV = 0.f;
		Math::float3 FrictionDir;
		uint frictionCombineMode = 0;
		uint restitutionCombineMode = 0;

		if(version==1)
		{
			pReader->SerializeFloat(s_cStaticFriction,   staticFriction);
			pReader->SerializeFloat(s_cDynamicFriction,  dynamicFriction);
			pReader->SerializeFloat(s_cRestitution,		 Restitution);
			pReader->SerializeFloat(s_cStaticFrictionV,   staticFrictionV);
			pReader->SerializeFloat(s_cDynamicFrictionV,  dynamicFrictionV);
			pReader->SerializeFloat3(s_cFrictionDirection,	 FrictionDir);
			pReader->SerializeUInt(s_cFrictionCombineMode,   frictionCombineMode);
			pReader->SerializeUInt(s_cRestitutionCombineMode,  restitutionCombineMode);

			pRes->SetStaticFriction(staticFriction);
			pRes->SetDynamicFriction(dynamicFriction);
			pRes->SetRestitution(Restitution);
			//pRes->SetStaticFrictionV(staticFrictionV);
			//pRes->SetDynamicFrictionV(dynamicFrictionV);
			//pRes->SetFrictionDir(FrictionDir);
			pRes->SetFrictionCombine(frictionCombineMode);
			pRes->SetRestitutionCombine(restitutionCombineMode);
			return true;
		}
		else if(version == 2)
		{
			pReader->SerializeFloat(s_cStaticFriction,   staticFriction);
			pReader->SerializeFloat(s_cDynamicFriction,  dynamicFriction);
			pReader->SerializeFloat(s_cRestitution,		 Restitution);
			pReader->SerializeUInt(s_cFrictionCombineMode,   frictionCombineMode);
			pReader->SerializeUInt(s_cRestitutionCombineMode,  restitutionCombineMode);

			pRes->SetStaticFriction(staticFriction);
			pRes->SetDynamicFriction(dynamicFriction);
			pRes->SetRestitution(Restitution);
			pRes->SetFrictionCombine(frictionCombineMode);
			pRes->SetRestitutionCombine(restitutionCombineMode);
		}
		else
		{
			return false;
		}
		return true;
	}

}