how to detect what part of the body was damaged?

[daring talon]

I'm making an Attack on Titan datapack and in the series, titans have a weakspot on the back of their neck. if my datapack was made with only pvp in mind that would be okay since I could just use interaction entities in that area for if a player hits it. the only issue is that you are also able to turn into a titan, meaning mobs have to be able to somehow hit this weakpoint. thoughts?

[hexed egret]

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[fiery jetty]

Sounds like more of a creative question than a practical one

[daring talon]

well I asked a similar question in misc help and they suggested I put my next one in datapack help

[tough sluice]

If you want mobs to actively attack it, you could use something like a villager as the hitbox, that would atleast attract zombies

How are you doing the hitbox currently? Just a scaled up player?

You could also do angle and height checks to approximate if anything should have hit that part

[tough sluice]

"How do macros work" is more of a technical question, so it’s a data pack help question
"How should I design my pack" sounds like a conversation that’s better suited for general or a misc help
"How can I make a weakspot attackable by mobs" on the other hand fits here

[daring talon]

oh the height is a good idea, but how do I check whether the entity they’re hurting is me?

[tough sluice]

The attacker relation refers to the last entity that has hit you.
So you can react to getting hit using an entity_hurt_player advancement and then use execute on attacker to do stuff with the entity that attacked you

This is assuming that the titan can only ever be a player, it that’s not the case it will be a lot more annoying

[daring talon]

do players get the attacker nbt?

[fiery jetty]

Attacker isn't an NBT, but they can be registered as an attacker for execute on, yes

[daring talon]

ah okay

and how long are they marked as attacker? if I only want to run the function once

[fiery jetty]

That I'm not sure on

[daring talon]

alright. so does that make "execute on target" execute on whomever was hurt?

and does "execute on x" make x the selector?

[fiery jetty]

I don't believe so, I think execute on target only works for mobs that target things as part of their AI, but I could be wrong. You can try checking the wiki to confirm

[fiery jetty]

It makes X the executing entity, yes

[daring talon]

so this advancement should make it so any mob hitting a player with a barrier at their head runs this function?

I made the final function mentioned summon a creeper and it's not activating

[fiery jetty]

I'm on mobile so I can't see that

[daring talon]

{
"criteria": {
"requirement": {
"trigger": "minecraft:entity_hurt_player",
"conditions": {
"player": [
{
"entity": "this",
"condition": "minecraft:entity_properties",
"predicate": {
"equipment": {
"head": {
"items": "minecraft:barrier"
}
}
}
}
]
}
}
},
"rewards": {
"function": "minecraft:titan_shifting/titan_form/nape/hit"
}
}

I even tried:

{
"criteria": {
"requirement": {
"trigger": "minecraft:entity_hurt_player",
"conditions": {}
}
},
"rewards": {
"function": "minecraft:titan_shifting/titan_form/nape/hit"
}
}
and it's still not working

[fiery jetty]

Yes, this should run that function under the conditions you described

[daring talon]

it's not running though 🤕

[daring talon]

I also tried this and it's not even running

I'm testing with a husk hitting me

[fiery jetty]

Make sure you don't already have the advancement

[daring talon]

ah I see, I forgot to revoke it

[daring talon]

that should be it; again, thanks to you and the other person!