/// <summary>
/// Changes a structure to a new type.
/// </summary>
public virtual void StructureChange(IStructure structure, ushort newType, byte newLvl, CallbackProcedure callbackProcedure, IStructureCsvFactory structureCsvFactory)
{
structure.City.BeginUpdate();
structure.BeginUpdate();
structure.IsBlocked = 0;
structureCsvFactory.GetUpgradedStructure(structure, newType, newLvl);
structure.Technologies.BeginUpdate();
structure.Technologies.Parent = structure.City.Technologies;
structure.Technologies.Clear();
OnStructureUpgradeDowngrade(structure);
structure.Technologies.EndUpdate();
structure.EndUpdate();
structure.City.EndUpdate();
callbackProcedure.OnStructureConvert(structure);
}