From 4dfc579820176298d1e4c4ac84405b9bab2044be Mon Sep 17 00:00:00 2001
From: ynot01 <ynot000001@gmail.com>
Date: Tue, 28 Jan 2025 00:10:35 -0500
Subject: [PATCH] Strengthens counterplay vs allergens (#22973)

---
 code/datums/traits/negative.dm                         |  9 +++++++++
 code/modules/mob/living/carbon/human/examine.dm        |  3 +++
 code/modules/mob/living/status_procs.dm                |  2 +-
 .../reagents/chemistry/reagents/medicine_reagents.dm   |  2 +-
 .../reagents/chemistry/reagents/toxin_reagents.dm      | 10 +++++++++-
 5 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/code/datums/traits/negative.dm b/code/datums/traits/negative.dm
index d2326f0eabf6..1f6712f54aa2 100644
--- a/code/datums/traits/negative.dm
+++ b/code/datums/traits/negative.dm
@@ -736,6 +736,15 @@
 	if(H.stat == DEAD)
 		return
 
+	if(H.reagents.has_reagent(/datum/reagent/medicine/epinephrine))
+		return
+	if(H.reagents.has_reagent(/datum/reagent/medicine/atropine))
+		return
+	if(H.reagents.has_reagent(/datum/reagent/medicine/diphenhydramine))
+		return
+	if(H.reagents.has_reagent(/datum/reagent/medicine/synaphydramine))
+		return
+
 	var/datum/reagent/allergy = GLOB.chemical_reagents_list[reagent_id]
 
 	if(H.reagents.has_reagent(reagent_id)) //check if there are chems
diff --git a/code/modules/mob/living/carbon/human/examine.dm b/code/modules/mob/living/carbon/human/examine.dm
index 14dfc26ea694..30cf05bbfea4 100644
--- a/code/modules/mob/living/carbon/human/examine.dm
+++ b/code/modules/mob/living/carbon/human/examine.dm
@@ -281,6 +281,9 @@
 			if(DISGUST_LEVEL_DISGUSTED to INFINITY)
 				msg += "[t_He] look[p_s()] extremely disgusted.\n"
 
+	var/datum/quirk/allergic/allergen = has_quirk(/datum/quirk/allergic)
+	if((allergen && reagents?.has_reagent(allergen.reagent_id)) || reagents?.has_reagent(/datum/reagent/toxin/histamine))
+		msg += span_boldwarning("[t_His] face is very swollen!\n")
 
 	var/apparent_blood_volume = blood_volume
 	if(skin_tone == "albino")
diff --git a/code/modules/mob/living/status_procs.dm b/code/modules/mob/living/status_procs.dm
index c5133d9a2695..169d41038d03 100644
--- a/code/modules/mob/living/status_procs.dm
+++ b/code/modules/mob/living/status_procs.dm
@@ -464,7 +464,7 @@
 /mob/living/proc/has_quirk(quirktype)
 	for(var/datum/quirk/Q in roundstart_quirks)
 		if(Q.type == quirktype)
-			return TRUE
+			return Q
 	return FALSE
 
 /mob/living/proc/remove_all_quirks()
diff --git a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
index 9244dca4bb21..a986defc2778 100644
--- a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
@@ -891,7 +891,7 @@
 		M.adjustFireLoss(-0.5*REM, 0)
 		M.adjustOxyLoss(-0.5*REM, 0)
 	if(M.losebreath >= 4)
-		M.losebreath -= 2
+		M.losebreath = floor(M.losebreath * 0.9)
 	if(M.losebreath < 0)
 		M.losebreath = 0
 	M.adjustStaminaLoss(-0.5*REM, 0)
diff --git a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
index d1135520daf3..c139d96de303 100644
--- a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
@@ -472,6 +472,15 @@
 	toxpwr = 0
 
 /datum/reagent/toxin/histamine/on_mob_life(mob/living/carbon/M)
+	. = ..()
+	if(M.reagents.has_reagent(/datum/reagent/medicine/epinephrine))
+		return
+	if(M.reagents.has_reagent(/datum/reagent/medicine/atropine))
+		return
+	if(M.reagents.has_reagent(/datum/reagent/medicine/diphenhydramine))
+		return
+	if(M.reagents.has_reagent(/datum/reagent/medicine/synaphydramine))
+		return
 	if(prob(50))
 		switch(pick(1, 2, 3, 4))
 			if(1)
@@ -486,7 +495,6 @@
 					to_chat(M, "You scratch at an itch.")
 					M.adjustBruteLoss(2*REM, 0)
 					. = 1
-	..()
 
 /datum/reagent/toxin/histamine/overdose_process(mob/living/M)
 	M.adjustOxyLoss(2*REM, 0)