private static Int64 MergeId(long currentId, ref Dictionary<Int64, Int64> idReplacementTable)
{
if (currentId == 0)
return 0;
if (idReplacementTable.ContainsKey(currentId))
return idReplacementTable[currentId];
idReplacementTable[currentId] = SpaceEngineersApi.GenerateEntityId(IDType.ENTITY);
return idReplacementTable[currentId];
}