source: OniSplit/Objects/PowerUpClass.cs

namespace Oni.Objects
{
    internal enum PowerUpClass : uint
    {
        Ammo = 0x424D4D41,
        EnergyCell = 0x454D4D41,
        Hypo = 0x4F505948,
        Shield = 0x444C4853,
        Invisibility = 0x49564E49,
        LSI = 0x49534C41,
    }
}