Mesh::Mesh(D3DDevice* device, std::string folder , std::string file, bool optimize)
{
	_device = device;

	ID3DXBuffer *mtrlBuffer, *adjBuffer;
	D3DXLoadMeshFromX((folder + file).c_str(), D3DXMESH_MANAGED,
					  _device, &adjBuffer, &mtrlBuffer, 0,
					  &_numFaces, &_mesh);

	D3DXMATERIAL* mtrl = (D3DXMATERIAL*)mtrlBuffer->GetBufferPointer();

	for(uint i = 0; i < _numFaces; i++)
	{
		_material.push_back(mtrl.MatD3D);

		if(mtrl.pTextureFilename != 0)
		{
			D3DTexture* tex;
			std::string f = folder + mtrl.pTextureFilename;
			D3DXCreateTextureFromFileEx(_device, f.c_str(), 0,      
                                                    0, 0, 0,
						    D3DFMT_UNKNOWN,  
                                                    D3DPOOL_MANAGED, 
                                                    D3DX_DEFAULT,
						    D3DX_DEFAULT, 0, NULL, 
                                                    NULL, &tex);
			_texture.push_back(tex);
		}
		else
			_texture.push_back(0);
	}

	mtrlBuffer->Release();

	if(optimize)
	{
		_mesh->OptimizeInplace(D3DXMESHOPT_ATTRSORT |
                                       D3DXMESHOPT_COMPACT |
  				       D3DXMESHOPT_VERTEXCACHE,
				       (DWORD*)adjBuffer->GetBufferPointer(),
				       0, 0, 0);
	}

	adjBuffer->Release();
}

void Mesh::render()
{
	for(uint i = 0; i < _numFaces; i++)
	{
		_device->SetMaterial(&_material);
		_device->SetTexture(0, _texture);
		HRESULT hr = _mesh->DrawSubset(i);
		if(FAILED(hr))
			MessageBox(NULL, DXGetErrorString(hr), "", MB_OK);
	}
}