Standard Shotgun using 2 shells when firing

[SoundOfDarkness]

So, again I'm just editing someone else work. Don't worry, I'm not planning to release my edited version, it's just for me. Of course I would ask for permission, if I should change my mind.

I'm not a fan of weapons shooting projectiles so I changed

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Fire:
    TNT1 A 0 A_JumpIfNoAmmo("Dryfire")
	TNT1 A 0 A_PlayWeaponSound("SHTGFIR")
    TNT1 A 0 A_AlertMonsters
	TNT1 A 0 A_TakeInventory("ShotgunLoaded", 1, TIF_NOTAKEINFINITE)
	TNT1 A 0 Radius_Quake (1, 2, 0, 1, 0)
	ATSG A 1
    TNT1 AAAAAAA 0 BRIGHT A_FireCustomMissile("ShotgunTracer", random(-2, 2), 0, 10, -1, 0, random(-2, 2))
	ATSG B 1 Bright A_Light(5)
	TNT1 A 0 A_GunFlash
	ATSG BC 2
	ATSG A 6
    Goto Ready

to

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Fire:
    TNT1 A 0 A_JumpIfNoAmmo("Dryfire")
	TNT1 A 0 A_PlayWeaponSound("SHTGFIR")
    TNT1 A 0 A_AlertMonsters
	TNT1 A 0 A_TakeInventory("ShotgunLoaded", 1, TIF_NOTAKEINFINITE)
	TNT1 A 0 Radius_Quake (1, 2, 0, 1, 0)
	ATSG A 1
    TNT1 A 0 BRIGHT A_FireBullets(4, 4, 7, 10, "CustomPuff1")
	ATSG B 1 Bright A_Light(5)
	TNT1 A 0 A_GunFlash
	ATSG BC 2
	ATSG A 6
    Goto Ready

But for some reason the shotgun now uses 2 shells when shooting. Any help?

[Mikk-]

Your error lies with this line:

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TNT1 A 0 BRIGHT A_FireBullets(4, 4, 7, 10, "CustomPuff1")

you have set the useammo field to 10, meaning it's gonna consume ammo. Change it to

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TNT1 A 0 BRIGHT A_FireBullets(4, 4, 7, 0, "CustomPuff1")

and you should be golden.

[SoundOfDarkness]

Uhm, nope, that's the damage and 7 is the amount of pellets from the shotgun shell. Changing 10 to 0 just gives me a shotgun that uses 2 shells per shot without hurting anyone.

[Mikk-]

Wait, sorry I somehow confused A_FireBullets and A_FireProjectile - you need to disable the FBF_USEAMMO flag like so

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TNT1 A 0 BRIGHT A_FireBullets(4, 4, 7, 0, "CustomPuff1", 0)

My apologies.

[SoundOfDarkness]

Yep, that worked. Thanks.