(SOLVED) Consume ammo from a RIPPER attack

[Grey-Wolf]

So, I got this weapon here. Its alt attack has the ripper flag, and I want it to only consume ammo if the attack hits something (it's a melee weapon so the "ammo" is actually durability). I would usually put the "takefromtarget" command in the death state of the attack, but as you know, the ripper flag messes things up in terms of targets and tracers.

Can you think of any workarounds?

[Matt]

Is there some kind of "OnRip" function in ZS? If not, one possible hack that comes to mind is to use an xdeath state where the projectile warps ahead by vel, then resets its +missile flag and goes to its spawn state...

[Grey-Wolf]

I lost you at "warps ahead"... Can you make an example please?

[Matt]

Actually, forget what I said, without a virtual OnRip() function what I'm trying to do can only be very roughly approximated by a gross hack involving bounce states, unless you want to replicate all the usual projectile checks in ZS that are in the native code.

The other possibility is to spawn a new missile at the old velocity just a little bit ahead, but I don't want to think too hard about that.


EDIT: reading your post again... why not use a hitscan for the melee attack, then check if the hitscan connects and deplete ammo using that?

[Grey-Wolf]

The possibility of spawning a second missile is something even my simple mind can understand, so I'll take that path if I can't get anything better to work.

The hitscan solution seems interesting, but I'm not quite sure on how to do it.

[Void Weaver]

All that you need in case of hitscans is a custom puff like this one:

Code: Select all

ACTOR DurabilityPuff : BulletPuff
{
+PUFFGETSOWNER //Now Puff's TARGET is its shooter
+PUFFONACTORS //To be sure that Puff will hit bleeding actors
States
{
XDeath: //Will goes into this state as soon as it have PUFFONACTORS while hit a some bleeding actor
TNT1 A 0 {bALLOWPARTICLES=0;} //To disable spawning of grey particles when hit bleeding actor; equal to A_ChangeFlag("ALLOWPARTICLES",0)
TNT1 A 0 A_TakeFromTarget("your_ammo_('duration')_item",<amount>)
Stop //Or play rest custom sprite animation further
}
}

And instead of RIPPER-projectiles just use short range piercing A_RailAttack for ex.

[Grey-Wolf]

Thanks, very helpful!

Now I'm having another problem, somewhat related. I want the axe to spawn a broken version of itself when thrown. I edited the projectile like so:

Code: Select all

ACTOR ThrownAxe
{
	Radius 8
	Height 8
	Speed 30
	Damage (random(150, 160))
	+MISSILE
	+FORCEXYBILLBOARD
	-NOGRAVITY
	+NOEXTREMEDEATH
	+SKYEXPLODE
	+NOEXTREMEDEATH
	+THRUSPECIES
	+BLOODSPLATTER
	Species "Marines"
	Gravity 1.0
	scale 0.5
	States
	{
	Spawn:
		AXET ABCDEFGH 2
		Loop
	Death:	
	XDeath:
		TNT1 A 0
		TNT1 A 0 A_Jumpifintargetinventory("AxeDurability", 1, 2)		
		TNT1 A 0 A_spawnItem("BrokenAxe")	
		TNT1 A 0 A_spawnItem("Axe")	
		Stop
	}
}

But for some reason, the "jumpifintargetinventory" command is completely skipped or ignored, and if I throw the axe it just spawns both items, even if durability IS depleted.
Any ideas?

[Void Weaver]

IIUYC, then 'Stop' (or something else) should separate both spawn variants:

Code: Select all

XDeath:
      TNT1 A 0
      TNT1 A 0 A_Jumpifintargetinventory("AxeDurability", 1, 2)      
      TNT1 A 0 A_spawnItem("BrokenAxe")
      Stop
      TNT1 A 0 A_spawnItem("Axe")
      Stop

[Grey-Wolf]

It actually worked, so thank you! But out of curiosity... why didn't it work before? It was like the jump was completely ignored since if the jump was actually made, the broken axe spawn command would've been skipped, and then after the normal axe spawn, the "stop" was there. So what's the math behind this?

[Jarewill]

Since it was lacking a 'stop' there, it spawned both axes.
However that only explains why both broken and normal axes were spawned if there was no durability left.
But if it really spawned both axes if there was durability, then I have no clue.