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Fix medical conditions' effects not working#4066

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screret wants to merge 73 commits intoGregTechCEu:1.20.1from
screret:sc/fix-medical-conditions
Open

Fix medical conditions' effects not working#4066
screret wants to merge 73 commits intoGregTechCEu:1.20.1from
screret:sc/fix-medical-conditions

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@screret screret commented Oct 12, 2025 •
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What

  • Fixed medical conditions caused by holding hazardous materials (e.g. cancer from uranium) not updating correctly.
  • Added some much needed documentation to the system and made the /medical_condition query command's output nicer to read.
  • Rebalanced the medical conditions so their symptoms take longer to apply and aren't as drastic

I also chose to remove berylliosis and silicosis entirely, as they didn't actually do much and were just annoying to have around.

Implementation Details

  • MADE MEDICAL CONDITIONS USE AN ACTUAL REGISTRY INSTEAD OF A MAP
    • this shouldn't affect anyone too much, as I don't know anyone who actually used the system
  • Fixed invulnerability/hitstun/etc. breaking the death symptom
  • Fixed high levels of resistance being able to block medical condition damage (like death.)
  • Fixed the player's max health not updating until they take damage
  • Fixed the player's max breath (the air bubbles) not updating at all
  • Made the hazardous item tracker respect the held items' stack sizes and material amounts where they previvously didn't.
  • Renamed some methods' parameters to make more sense and added clarifying comments to them & others
  • Added separate lang keys for conditions affecting a player so the output of /medical_condition query makes sense. It now display something like this (1) instead of the previous (2)

new display

Player Dev has
Cancer for 10 minutes 5 seconds

old display

Player Dev has these medical conditions:
Condition Carcinogenic: 10 minutes 5 seconds

Outcome

  • Players' health and air is actually displayed as going down
  • Players get the intermediate symptoms instead of, say, randomly dying from cancer
  • People won't get blinded by methanol the instant they touch it
  • Cancer now takes much longer to do anything drastic, and after that, the effects take longer to reach their full potential

How Was This Tested

I wrote actual tests for a feature! (for once, lol)

I also tested this in game quite extensively, mostly by running /medical_condition apply @s gtceu:carcinogen <amount> over and over with different numbers in the 1-36000 range and observing what attributes changed & by how much with /attribute @s <attribute id> get.
I also tested some other conditions such as arsenicosis and CO poisoning, they also worked correctly.

Same was done for holding items by having a stack plutonium blocks in my inventory and tracking the cancer point gain with /medical_condition query and current symptoms with /medical_condition query symptoms.

Additional Information

Balance people should look over the tweaks at least a bit

Potential Compatibility Issues

The change to a "real" registry could make some people have issues but, as already mentioned, I don't know anyone who used the system.

screret added 25 commits October 2, 2025 16:05
@screret
clean up medical condition-related translation keys
8d78f91
@screret
make medical conditions use an actual registry instead of faking one
2dd369a
@screret
rename a couple methods' parameters, add clarifying comments to some,…
96d4ca4 
… shortcuts for others
@screret
add documentation on how lang keys are chosen for medical condition
67a76ad
@screret
special case the health debuff condition so it can resync the player'…
60e5659 
…s health
@screret
add a "consumption" hazard trigger that triggers when a player eats s…
763bf1c 
…omething
@screret
symptom that gives the darkness effect (the one wardens use)
9baf0b5
@screret
add separate "affected" text for most conditions because "Player <pla…
7bd0bce 
…yer> has: Carcinogenic" looks bad

fixes GregTechCEu#2780
@screret
fix compile errors
73b12fa
@screret
spotless, datagen
e497cb3
@screret
make fastutil be loaded from maven central so we can get its source a…
548aea3 
…rtifacts
@screret
merge IMedicalConditionTracker into MedicalConditionTracker
7d1d121 
most uses required the concrete class anyway
@screret
use absolute values for symptoms for clarity
2933348
@screret
remove silicosis and berylliosis as they were only annoying and added…
e46ac75 
… even less than the other conditions
@screret
track the max air symptom's value changes in the entity rather than t…
7229894 
…he tracker for efficiency
@screret
use fastutil reference maps for the progress tracking so we don't was…
8883f62 
…te time comparing
@screret
add descriptions of the various "generic" conditions to GTMedicalCond…
cdc4a6f 
…itions
@screret
spotless
7c3a79b
@screret
tweak the language of /medical_condition query to be easier to read…
7395929 
…, datagen
@screret
respect the item's material amount when progressing conditions
1d00512
@screret
reset air supply debuff when clearing effects
8e99861
@screret
properly remove cleared conditions' symptoms
1501ca7
@screret
allow passing negative values into `/medical_condition apply <conditi…
e90818d 
…on> [progression]`
@screret
tag all medical condition damage types as bypasses_cooldown
9d65d51
@screret
datagen
c7c66d0
@screret screret requested a review from a team as a code owner October 12, 2025 15:38
Reabstraction
Reabstraction reviewed Dec 13, 2025
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jurrejelle
jurrejelle previously approved these changes Feb 8, 2026
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@jurrejelle jurrejelle added type: refactor Suggestion to refactor a section of code Release: API - X.0.0 Major Breaking Refactors that MUST be in a API-Breaking Release labels Feb 8, 2026
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jurrejelle commented Feb 8, 2026

declared 8.0.0

@screret screret changed the base branch from 1.20.1 to 1.20.1-v8.0.0 February 14, 2026 11:47
@screret screret changed the base branch from 1.20.1-v8.0.0 to 1.20.1 February 14, 2026 11:48
@screret screret dismissed jurrejelle’s stale review February 14, 2026 11:48

The base branch was changed.

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screret commented Feb 14, 2026

I switched the base branch to 1.20.1-v8.0.0 because of the retarget and then discovered that the pipe model rework hasn't been merged to that, so I undid the base branch change.
Turns out doing that dismisses all reviews.

screret added 15 commits February 14, 2026 16:42
@screret
implement toString for MedicalCondition and Symptom
6b3b196
@screret
make the /medical_condition command's output better
35e5c52
@screret
tick players' condition trackers based on the player's tick count ins…
93db121 
…tead of global game time

(spreads out the updating over multiple ticks instead of everything happening on the dot)
@screret
datagen, spotless
4bb87b6
@screret
don't send query results to all OPs
1a50f6e
@screret
fix mining fatigue symptom being way too harsh (and not actually lowe…
04ff3f9 
…ring mining speed)
@screret
clean up this break speed event handler so it won't give 5x mining sp…
2726b8d 
…eed if underwater with an aqua affinity helmet
@screret
also move it to above the massive remap event listener
ec8ec50
@screret
fix max slowness symptom deleting movement speed because the assumed …
2da2977 
…default value is 7x too high
@screret
remove ConfiguredSymptom constructor that allowed only defining an ab…
f02fea1 
…solute minimum threshold as it made the code a lot more convoluted
@screret
do the same for Symptom and also make some of the constructor variant…
efb7535 
…s static factory methods instead so what they're for is slightly clearer
@screret
fix some commands having very high permission requirements
b75dec8
@screret
spot less
f831f40
@screret
Merge branch '1.20.1' into sc/fix-medical-conditions
372d10b 
# Conflicts:
#	src/main/java/com/gregtechceu/gtceu/api/capability/GTCapabilityHelper.java
#	src/main/java/com/gregtechceu/gtceu/api/capability/forge/GTCapability.java
#	src/test/java/com/gregtechceu/gtceu/gametest/util/TestUtils.java
@screret
Merge branch '1.20.1' into sc/fix-medical-conditions
e6b493d 
# Conflicts:
#	src/main/java/com/gregtechceu/gtceu/api/data/chemical/material/properties/HazardProperty.java
#	src/main/java/com/gregtechceu/gtceu/common/CommonEventListener.java
#	src/main/java/com/gregtechceu/gtceu/common/machine/electric/AirScrubberMachine.java
#	src/test/java/com/gregtechceu/gtceu/gametest/util/TestUtils.java
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1.20.1 Release: API - X.0.0 Major Breaking Refactors that MUST be in a API-Breaking Release type: refactor Suggestion to refactor a section of code

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