/// <summary>
 /// Adds cargo to the inventory
 /// </summary>
 /// <param name="cargo"></param>
 /// <returns>true if cargo can be added after this one, false -- current or next cargo can't be added</returns>
 public bool AddCargo(RTSCargo cargo)
 {
     if (inventory.Count < inventoryLimit)
     {
         inventory.Add(cargo);
         return(true);
     }
     else
     {
         return(false);
     }
 }
 RTSResourceContainer(RTSCargo c, int a)
 {
     cargo  = c;
     amount = a;
 }