Mesh::Mesh (const VertexFormat &format,
boost::weak_ptr<VertexDataBufferManager> weak_mgr,
boost::shared_ptr<GLExtensionProxy> proxy,
VertexFormat::DataType index_type,
bool dynamic_indices)
: priv (new Private (proxy, format))
{
if (std::find_if (format.begin (), format.end (), vfspec_role_is_pos)
== format.end())
throw std::logic_error ("incomplete vertex format passed");
std::vector<VertexFormat::DataMemberSpec> static_format;
std::vector<VertexFormat::DataMemberSpec> dynamic_format (format.begin (),
format.end ());
std::remove_copy_if (dynamic_format.begin (), dynamic_format.end (),
std::back_inserter (static_format), vfspec_suggests_dynamic);
dynamic_format.erase (std::remove_if (dynamic_format.begin(),
dynamic_format.end(), vfspec_suggests_static), dynamic_format.end ());
priv->static_size = std::accumulate (static_format.begin (),
static_format.end (), size_t (0), sum_sizes);
priv->dynamic_size = std::accumulate (dynamic_format.begin (),
dynamic_format.end (), size_t (0), sum_sizes);
boost::shared_ptr<VertexDataBufferManager> mgr = weak_mgr.lock ();
if (!mgr)
throw std::logic_error ("Invalid manager point");
if (priv->static_size)
priv->static_buf = mgr->create_vertex_data_buffer (priv->static_size, false);
if (priv->dynamic_size)
priv->dynamic_buf = mgr->create_vertex_data_buffer (priv->dynamic_size, true);
priv->index_type = index_type;
priv->indices = mgr->create_element_data_buffer (index_type,
dynamic_indices);
}
