#include "GeoMesh.h"

using namespace Geometry;

//----------------------------------------------------------------------------
Mesh::Mesh():
	mVertexBuffer(0), mSubMeshCount(0), mSubMesh(0), mType(GEO_TRIANGLE_LIST)
{
}

Mesh::~Mesh()
{
	delete[] mSubMesh;
	delete   mVertexBuffer;
}

void Mesh::Load(Serializer &s)
{
	bool sharedVertexBuffer = false;

	//Clear Data
	delete[] mSubMesh;  mSubMesh = 0;
	delete   mVertexBuffer; mVertexBuffer = 0;
	mSubMeshCount = 0;
	
	s.ReadArray(&sharedVertexBuffer,1);
	if (sharedVertexBuffer)
	{
		mVertexBuffer = new VertexBuffer;
		mVertexBuffer->Load(s);
	}
	s.ReadArray(&mSubMeshCount,1);
	mSubMesh = new SubMesh[mSubMeshCount];
	for(size_t i = 0; i < mSubMeshCount; ++i)
	{
		mSubMesh[i].Load(s);
		if (mSubMesh[i].mSharedVertexBuffer && sharedVertexBuffer)
		{
			mSubMesh[i].mVertexBuffer = mVertexBuffer;
		}
	}
}

void Mesh::Save(Serializer &s)
{
	bool sharedVertexBuffer = (mVertexBuffer != 0);
	s.WriteArray(&sharedVertexBuffer, 1);
	if (sharedVertexBuffer)
	{
		mVertexBuffer->Save(s);
	}
	s.WriteArray(&mSubMeshCount,1);
	for(size_t i = 0; i < mSubMeshCount; ++i)
	{
		mSubMesh[i].Save(s);
	}
}