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On-Kill/On-Hit effects: Signal train vs reference passing (lemmy.world)

submitted 8 months ago by [email protected] to c/godot

6 comments fedilink hide all child comments

Wanted some opinions on ways to set up triggering "on-kill" effects. In short: The player can have abilities that trigger effects whenever they shoot and kill an enemy. I'm also looking to extend abilities to enemies as well, so can't just hardcode a player reference.

Currently I'm doing it like this:

Enemy signals that it died -> the bullet receives this and signals that it killed Enemy -> the player's weapon receives this and signals that it's bullet killed Enemy -> the player receives this and triggers it's on-kill abilities.

It simultaneously feels like a good way to go about it but also a long mess. The other option I've considered is:

Each bullet has a reference to it's owner (eg. player). When an enemy dies to a bullet, it looks to the bullet's owner reference and tells it to trigger it's on-kill effects.

This way is a lot simpler to write, but is error prone eg. In cases where the bullet's owner is killed while their attack is mid-air.

Thank you all!

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[–] [email protected] 7 points 8 months ago (1 children)

Definitely the latter. Rube goldberg machines will become much more error prone. The more steps you can simplify out, the better.

You can write a simple guard in case player has died:

if !is_instance_valid(player):
    return

player.onkill()

[–] [email protected] 1 points 8 months ago

Definitely sounds like the way to go the more I think about it. Thanks!

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