Basically I want to make one of my actors (ACrab) stay alive after being smashed from above by ships or debris.
I've noticed it's an easy way to kill *any* actor I've seen so far.
Is it possible to apply some sort of preventative INI lines on an actor that already has impulse resistance?

Specifically what I intend is to have an ACrab immune to crushing and impulse, plus wounds everywhere except one "weak point" attachment.
I've covered wounds and impulse, while now it gets gibbed instantly by being pushed into terrain.

As far as I know, there isn't any ini way to do this. The only way would be putting GetsHitByMOs = 0, but nothing would hit it then. Maybe you could tweak deepgroups and atomgroups, but again, I don't know how they work or what to do with them.

The only thing I imagine would work without many problems and would be "easier" to do, would by sticking a lua script to the ACrab, that would detect if there is any gib or debris via PresetName or something, and change their mass to something harmless even at huge speeds, like 0.0000001, if they are heading towards the actor.

Well, setting MissionCritical = 1 essentially makes an object completely indestructible, even to crushing... And weak points. So it might not work in your favour. Haven't tested it on actors though, it's possible that they can lose health regardless. I have NO idea of what happens when their health reaches 0 though, if that's even possible.

Wait wait, setting what to MissionCritical =1?
Can it be just one attachment on an actor? If so, would that only make that attachment indestructible?
Doing it that way; setting all except one part would do what I mentioned, if that works.

Well, I gave up on my ACrab, too confusing to make it walk properly and need to learn more about walking and materials first.

Well, it's only the torso suffering from crushing, but putting it on the limbs would make them indestructible too, i think. Haven't really messed with that variable.

ImpulseDamageThreshold (high), GibImpulseLimit (high), and DeepCheck (to 1) are the three variables you need to set in the .ini.

Applying:

to your actor every frame will prevent any other conceivable form of death as well.

I haven't heard of MissionCritical before, but it probably works too.

I thought of this line I had to consider for one of my weapons, then, I GOT IT!!!

Add a high "RestThreshold" under the actor's ini entry.



Works perfectly!
I recommend not setting this lower for immunity, my guy got crushed once at 900000.

Be aware that when the actor gets pushed toward the ground from above with nowhere to move,
they'll get pushed through the ground, leaving a hole in their path.

Using a RestThreshold of -1 should also work as an indefinite value. The only side-effect of using RestThreshold for this is, strangely enough, the main purpose of rest threshold, which is that when you finally DO kill it, if it doesn't gib, the corpse will stay as an MO and not settle to terrain.

A way around that would be attaching a script along the lines of



Which would gib it on death, or you could do a pseudo-rest-check and settle, like



And you'd be putting either of those in the function Update(self) block. For the second option you'd probably want to define self.lastVel as Vector(0,0) in the Create block. It's also a bit inaccurate, but when it's dead already shouldn't matter too much. There might be a way to use self.IsAtRest() but I haven't tried it myself.