Project Zomboid

Project Zomboid

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Sense of Smell [B42 & B41]
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11 Aug, 2023 @ 8:26pm
23 Dec, 2024 @ 4:52am
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Sense of Smell [B42 & B41]

Description
NOW SUPPORTS BUILD 42!

THEY CAN SMELL YOU

This mod gives the zombies a sense of smell for a new challenge.
Customizable with Sandbox Options.





They can smell your breath.
They can smell your sweat.
They can smell your wounds.
They can smell when you eat...
...and when you drink...
They hunt the sick.

Seal yourself in a car...
...or hide in a room forever...

Don't go outside.
If you do, don't stop moving.

They are coming for you.


Good luck.



Buy Me a Coffee[ko-fi.com]




Technical Details

The sense of smell is simulated by collecting information on the characters condition and location and using this to generate a 'scent profile'. This profile is used to determine the structure of a dynamic scent trail that follows the player. This scent trail is made up of nodes that pulse inaudible sounds towards the player from their previous locations.

The zombies are attracted to the trail behind you. The trail spreads out and fades away over time.
The trail spreads far in the outdoors, lingering in one area too long can be dangerous.

A sealed vehicle and most buildings will mask your scent from zombies outside.

Rain and snow will present opportunities to move undetected.

Being in the open is dangerous and your scent will spread further, don't stop moving.

There are other ways to mask your scent as well, you must discover these for yourself...

Use the Smell Meter to track your scent (Right Click), if it is enabled in the Sandbox options.

You will be hunted in the open.




Sandbox Settings Breakdown:

Flatulence System:
If enabled the flatulence system will be engaged and players are at risk of farting.
Farts may occur when player weight is increasing or if the player has mild stomach sickness.

Audible Flatulence:
If enabled the flatulence audio system will engage and you will hear audible farts.

Allow Meter:
If enabled the player can right click in the world and enable the 'Smell Meter' to gauge their own scent.
This meter reveals the scale of the players scent with a dial and scent description.
It also indicates if the player scent is covered by a building or sealed vehicle.

Log Debug Information:
If enabled the mod will log debugging information to the console.txt file. This can be useful for diagnosing bugs.

Reduce Scent Profile Resolution:
If enabled scent profile data will be collected every 10 in-game minutes instead of every 1 in-game minute.
Untested: Will slightly reduce CPU use, may increase difficulty slighty by delaying building/car detection, may reduce fart intensity.

Admin will have scent:
If enabled then admins on multiplayer servers will have scent profiles and will be tracked by Zombies.

Debug will have scent:
If enabled then players running the debugger will have scent profiles and will be tracked by Zombies.

Chance for flatulence:
If the flatulence system is enabled this determines the chance of a fart when a fart chance is rolled.
The chance is out of 1 million. The entry '1000000' is a 100% chance of a fart when rolled.

Scent spread distance multiplier:
All scent node radii will be multiplied by this number. Increases difficulty.

Scent spread Max radius (Meters):
All scent node radii will be clamped within this maximum radius. Reduces difficulty.

Scent spread Min radius (Meters):
All scent node radii will be clamped within this minimum radius. Increases difficulty.




How to Reduce Your Scent

Cover your face with a mask that filters the air you exhale.
Cover your hands with latex gloves and keep them intact, zombies can smell your hands.
Wear underwear and socks to reduce your scent, zombies can smell your sweat.
Hiding in buildings or sealed vehicles significantly masks your scent, move quickly between them.
Use rain, snow and heavy fog to mask your scent as you move through the open.
Use perfume or cologne to mask your scent while outdoors during clear weather.
You will be hunted in the open.





Workshop ID: 3018798678
Mod ID: Sense_of_Smell
Popular Discussions View All (3)
23
26 Dec, 2024 @ 4:11pm
Suggestions
Phil J Herman
15
13 Mar @ 2:59pm
Bug Reporting
Phil J Herman
0
15 Jun @ 11:15pm
More settings
Its Over 9000!!!
60 Comments
Its Over 9000!!! 16 Jun @ 10:44pm 
There will be more settings and an increase in radius?
Symeon 15 Jun @ 3:10am 
How well does this mod play with Don't Feed the Zombies at a code level? I notice the Zombies certainly prioritise hunting you over seeking corpses. But if they can't pick up your scent, they'll wander off to devour corpses. Pretty neat.
Its Over 9000!!! 13 Jun @ 7:17pm 
This is the top one of the hardcore mods, thank you very much author
marshmallow justice 15 Apr @ 3:22pm 
Is scent spread Radius 'meters' basically 1 meter = 1 tile?
Unamelable 12 Apr @ 3:42pm 
Is there a way to engage "already spawned" zomboids?
I wanna play without respawning, and seems like this mod respawns even if sandbox setting is opposite.
marshmallow justice 13 Mar @ 1:13pm 
deleted my last comment, i figured it out! So the reason it worked on a new server was because i was a normal player that then became admin in that session.

But in our existing world, I was already an admin prior to adding the mod/on login. I found the sandbox option to make admins have scent and boom! Wonderful!!! It works great omg
marshmallow justice 13 Mar @ 5:21am 
does it conflict with any of these? Angry Zombies Break Fences, Tripping Zombies, Barricade Hurts Zombies, ForagingZ(?)

i had a world just earlier with wandering zombies and sense of smell and it was fine
i added a bunch of more mods, with these ones in them as far as AI related goes, made a new world and the zombies dont sniff me out and group around me when invisible anymore.
BoB 3 Feb @ 6:09pm 
Would be nice if u could add a blood multiplier. Positive numbers means the more blood on you the easier to be smelt, negative means the bloodier you are the harder it is to be smelt
Spoon 7 Jan @ 4:27am 
Hi, love the idea.
I think it could be interesting to add an option for smoke to attract zombies, as a way to attract them towards an established base with a generator and smithy, especially wood/coal fires, or campfires in the woods.
Phil J Herman  [author] 2 Jan @ 7:17pm 
@Mereng It is possible to add this using the existing suppression system though I think a very solid unhappiness modifier and a risk of infection by doing that would need to go with it. Essentially a "guts" item that can be pulled from corpses via a context menu. There are ways to suppress your scent and also it is affected by weather already so would be easy to incorporate.