#include "GeoSubMesh.h"

using namespace Geometry;

//---------------------------------------------------------------------------
//	Constructor.
//---------------------------------------------------------------------------
SubMesh::SubMesh():
	mIndex(0),
	mVertexBuffer(0),
	mIndexCount(0),
	mSharedVertexBuffer(false),
	mStrip(0),
	mStripCount(0),
	mType(GEO_TRIANGLE_LIST)
{
	strcpy(mName,"");
	strcpy(mMaterialName,"");
}

//---------------------------------------------------------------------------
//	Destroyer.
//---------------------------------------------------------------------------
SubMesh::~SubMesh()
{
	delete	[]	mIndex;
	
	if (!mSharedVertexBuffer)
	{
		delete mVertexBuffer;
	}
}

//---------------------------------------------------------------------------
//	Load data from a serializer.
//---------------------------------------------------------------------------
void SubMesh::Load(Serializer &s)
{
	//	Clear Data.
	delete	[]	mIndex;
	
	mIndex	=	0;
	
	if (!mSharedVertexBuffer)
	{
		delete mVertexBuffer;
		
		mVertexBuffer	=	0;
	}
	
	mIndexCount	=	0;

	//	Load Data from Serializer.
	s.ReadArray(&mSharedVertexBuffer,	1);
	
	if (mSharedVertexBuffer)
	{
		mVertexBuffer	=	0;
	}
	else
	{
		mVertexBuffer	=	new VertexBuffer();
		
		mVertexBuffer->Load(s);
	}

	s.ReadArray(&mIndexCount,	1);
	
	mIndex	=	new Index[mIndexCount];
	
	s.ReadArray(mIndex,	mIndexCount);
}

//---------------------------------------------------------------------------
//	Save data to a serializer.
//---------------------------------------------------------------------------
void SubMesh::Save(Serializer &s)
{
	s.WriteArray(&mSharedVertexBuffer,	1);
	
	if (!mSharedVertexBuffer)
	{
		mVertexBuffer->Save(s);
	}
	
	s.WriteArray(&mIndexCount,	1);
	s.WriteArray(mIndex,	mIndexCount);
}