From d1ee476eac28f1b8789dc6988229686e109a57d7 Mon Sep 17 00:00:00 2001
From: Divulf <134484326+Divulf@users.noreply.github.com>
Date: Mon, 17 Jul 2023 04:26:28 +1200
Subject: [PATCH] Fixes inaccuracy in changeling chemical storage UI element.
 (#21583)

* Fixes error in changeling chemical storage UI element.

* Fixed argument path.
---
 code/modules/antagonists/changeling/changeling_power.dm | 1 +
 code/modules/antagonists/changeling/datum_changeling.dm | 9 ++++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/code/modules/antagonists/changeling/changeling_power.dm b/code/modules/antagonists/changeling/changeling_power.dm
index 4a00b88fcbd..70ee60d2510 100644
--- a/code/modules/antagonists/changeling/changeling_power.dm
+++ b/code/modules/antagonists/changeling/changeling_power.dm
@@ -69,6 +69,7 @@
 
 /datum/action/changeling/proc/take_chemical_cost()
 	cling.chem_charges -= chemical_cost
+	cling.update_chem_charges_ui()
 
 /datum/action/changeling/proc/can_sting(mob/user, mob/target)
 	SHOULD_CALL_PARENT(TRUE)
diff --git a/code/modules/antagonists/changeling/datum_changeling.dm b/code/modules/antagonists/changeling/datum_changeling.dm
index bc97091c41e..2ca7e16979c 100644
--- a/code/modules/antagonists/changeling/datum_changeling.dm
+++ b/code/modules/antagonists/changeling/datum_changeling.dm
@@ -183,15 +183,18 @@
 	if(!owner || !owner.current)
 		return PROCESS_KILL
 	var/mob/living/carbon/human/H = owner.current
-	if(H.hud_used?.lingchemdisplay)
-		H.hud_used.lingchemdisplay.invisibility = 0
-		H.hud_used.lingchemdisplay.maptext = "<div align='center' valign='middle' style='position:relative; top:0px; left:6px'><font face='Small Fonts' color='#dd66dd'>[round(chem_charges)]</font></div>"
 	if(H.stat == DEAD)
 		chem_charges = clamp(0, chem_charges + chem_recharge_rate - chem_recharge_slowdown, chem_storage * 0.5)
 		genetic_damage = directional_bounded_sum(genetic_damage, -1, LING_DEAD_GENETIC_DAMAGE_HEAL_CAP, 0)
 	else // Not dead? no chem/genetic_damage caps.
 		chem_charges = clamp(0, chem_charges + chem_recharge_rate - chem_recharge_slowdown, chem_storage)
 		genetic_damage = max(0, genetic_damage - 1)
+	update_chem_charges_ui(H)
+
+/datum/antagonist/changeling/proc/update_chem_charges_ui(mob/living/carbon/human/H = owner.current)
+	if(H.hud_used?.lingchemdisplay)
+		H.hud_used.lingchemdisplay.invisibility = 0
+		H.hud_used.lingchemdisplay.maptext = "<div align='center' valign='middle' style='position:relative; top:0px; left:6px'><font face='Small Fonts' color='#dd66dd'>[round(chem_charges)]</font></div>"
 
 /**
  * Respec the changeling's powers after first checking if they're able to respec.