This shit glitches for no reason [DECORATE]

Actor S120 : Weapon
{
    Tag "S-120 Shotgun"
    Inventory.PickupMessage "You got the WMC S-120 shotgun!"
    Obituary "%k \cd> \cfWMC S-120 \cd> \cl%o."
    Weapon.SlotNumber 3
    Weapon.AmmoType1 "S120_Clip"
    Weapon.AmmoUse1 1
    Weapon.AmmoGive1 50
    Weapon.AmmoType2 "Shell"
    Weapon.AmmoGive2 50
    Weapon.SlotNumber 3
    +WEAPON.NOAUTOFIRE
    AttackSound "Weapon/S120/Fire"
    States
    {
    Ready:
        //EVENTS
        TNT1 A 0 A_JumpIfInventory("Reloading", 1, "Reload_Check")

        HSHG A 1 A_WeaponReady
        Loop
    Select:
        TNT1 A 0 A_TakeInventory("reloading", 1)
        HSHG A 1 offset (-130,154)
        HSHG A 1 offset (-120,139)
        HSHG A 1 offset (-110,125)
        HSHG A 1 offset (-100,112)
        HSHG A 1 offset (-90,100)
        HSHG A 1 offset (-80,89)
        HSHG A 1 offset (-70,79)
        TNT1 A 0 A_PlaySound("Weapon/S120/Up")
        HSHG A 1 offset (-60,70)
        HSHG A 1 offset (-50,62)
        HSHG A 1 offset (-40,55)
        HSHG A 1 offset (-30,49)
        HSHG A 1 offset (-20,44)
        HSHG A 1 offset (-15,40)
        HSHG A 1 offset (-10,37)
        HSHG A 1 offset (-5,34)
        HSHG A 1 offset (0,0)
        goto Ready
    Deselect:
        HSHG A 1 offset (-4,34)
        HSHG A 1 offset (-8,40)
        HSHG A 1 offset (-16,49)
        HSHG A 1 offset (-24,62)
        HSHG A 1 offset (-32,79)
        HSHG A 1 offset (-40,100)
        HSHG A 1 offset (-48,125)
        HSHG A 1 offset (-56,154)
        TNT1 A 0 offset (-1,33)
        goto DeselectReal
    DeselectReal:
        TNT1 A 0 A_TakeInventory("reloading", 1)
        TNT1 AA 0 A_Lower
        TNT1 A 1 A_Lower
        loop
    Fire:
        HSHF A 2 bright A_FireBullets(4, 4, 14, 15, "BulletPuff",  FBF_USEAMMO | FBF_NORANDOM)
        TNT1 A 0 A_GunFlash
        TNT1 A 0 Radius_Quake(4, 3, 0, 10, 0)
        HSHF B 1 bright
        HSHF CDE 1
        HSHG A 2
        HSHR ABCDEFGHI 1
        TNT1 A 0 A_PlayWeaponSound("Weapon/S120/Pump")
        //TNT1 A 0 A_CustomMissile("ShotgunShell", 34, 4, Random(86, 92), 0, Random(30, 45))
        HSHR IIJKLMNOPQRS 1
        HSHG A 2
        Goto Ready
    Flash:
        TNT1 A 0 A_SetPitch(pitch-0.3)
        TNT1 A 1 A_Light(6)
        TNT1 A 0 A_SetPitch(pitch-0.9)
        TNT1 A 1 A_Light(4)
        TNT1 A 0 A_SetPitch(pitch-(-0.2))
        TNT1 A 1 A_Light(3)
        TNT1 A 0 A_SetPitch(pitch-(-0.1))
        TNT1 A 1 A_Light(1)
        TNT1 A 0 A_SetPitch(pitch-(-0.1))
        TNT1 A 1 A_Light(1)
        TNT1 A 0 A_SetPitch(pitch-(-0.1))
        TNT1 A 1 A_Light0
        TNT1 A 0 A_SetPitch(pitch-(-0.1))
        Stop
    Reload:
    Reload_Check:
        TNT1 A 0 A_TakeInventory("reloading", 1)
        TNT1 A 0 A_JumpIfInventory("S120_Clip", 8, "Ready")
        TNT1 A 0 A_JumpIfInventory("Shell", 1, 1)
        goto Ready
    Reload_Go:
        HSHR ABCDEFGHI 1
        TNT1 A 0 A_FireCustomMissile("S120_Clip_Wasted")
        TNT1 A 0 A_PlaySound("Weapon/Common/ClipOut2")
        HSHR I 40
        TNT1 A 0 A_JumpIfInventory("S120_Clip", 8, "Reload_End")
        TNT1 A 0 A_JumpIfInventory("Shell", 1, 1)
        goto Reload_End
        TNT1 A 0 A_TakeInventory("Shell", 1)
        TNT1 A 0 A_GiveInventory("S120_Clip", 1)
        goto Reload_Go+12
    Reload_End:
        TNT1 A 0 A_PlaySound("weapon/common/clipin2")
        HSHR IIJKLM 1
        TNT1 A 0 A_PlaySound("Weapon/S120/Up")
        HSHR NOPQRS 1
        TNT1 A 0 A_TakeInventory("reloading", 1)
        goto ready