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Death trigger and pick-up events

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Retributer
Posts: 2
Joined: Fri Mar 14, 2025 11:25 pm

Death trigger and pick-up events

Post by Retributer »

Hey there!

First off, I apologise if this question has already been asked, I've done a quick search and couldn't find anything that matched what I was looking for, but I'd be surprised if no one asked this before

I'm trying to do one of two thing, but I'd like to know how to do both :

1 - Having a chain of events trigger when I break an object, in my case a pot. I remember playing around with death triggers before and managed to have a door open once an enemy is killed, but I can't remember how I did it and I don't even know if it's possible with breakable objects

2 - Same thing but when I pick an item. I would like to do a Time Splitters inspired map (the first game from the trilogy) in which you go through a level, pick up an artefact which makes a bunch of enemies spawn, then run back to the start to finish the level. The pick-up should be something that can't be used for anything else, so weapons, ammo and powerups are out of the equation. What I'd like to know is if I can tranform a random object into a pick-up, and if I can tie picking it up to a trigger (otherwise I'll just make a proximity trigger that coincides with the object, and makes the object disappear)

Thank you for your time and have a nice one! U_Off
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Reborn
OldUnreal Member
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Joined: Thu Mar 16, 2017 6:55 am

Re: Death trigger and pick-up events

Post by Reborn »

1) any decorations (including the pot) cause an event when destroyed. You need to register the event in the properties of the decoration, and the corresponding tag in the properties of the dispatcher (or any other actor).

2) any inventory cause an event when picked up. You can place any pickup (for example VoiceBox), disguising it as some other object.
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Retributer
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Joined: Fri Mar 14, 2025 11:25 pm

Re: Death trigger and pick-up events

Post by Retributer »

Oh okay, I can use the pickup itself as a trigger!
I've tried it out and got it working, I thought I needed to link the pickup to a trigger, then the trigger to whatever I wanted it to do, turns out it's much simpler than that

Is there an in-depth tutorial about triggers and what they can or cannot do? I've read Wolf's tutorial but it's a bit short and I couldn't find everything I was looking for...
Either way, thanks for the clarification, it helped!
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Leo T_C_K
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Joined: Sat Aug 27, 2005 6:24 pm

Re: Death trigger and pick-up events

Post by Leo T_C_K »

Retributer wrote: Mon Mar 17, 2025 5:57 pm Oh okay, I can use the pickup itself as a trigger!
I've tried it out and got it working, I thought I needed to link the pickup to a trigger, then the trigger to whatever I wanted it to do, turns out it's much simpler than that

Is there an in-depth tutorial about triggers and what they can or cannot do? I've read Wolf's tutorial but it's a bit short and I couldn't find everything I was looking for...
Either way, thanks for the clarification, it helped!
I would advise against placing a pickup with event, because it might get destroyed by a mutator or gametype, or in co-op this may cause problems with multiple people re-triggering something upon it respawning or the pickup not respawning in other cases. Its always best to place a trigger at the same location as the pickup, maybe even with the same collision radius.
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Leo T_C_K
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Posts: 4005
Joined: Sat Aug 27, 2005 6:24 pm

Re: Death trigger and pick-up events

Post by Leo T_C_K »

Another common issue is like...that last map of that mappack, what was it called again...it has a beach at the end and a beacon that is a flare pickup, modified with event set in it.

Except if player happens to have a flare, it will not work and the map will get stuck. Genius really...in co-op players often carry items from previous maps and this breaks it...
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