From 769bbe7dbd9137b3d9c57369e44ea8ba03838686 Mon Sep 17 00:00:00 2001
From: WickedCybs <52309324+WickedCybs@users.noreply.github.com>
Date: Tue, 28 Mar 2023 16:55:49 -0400
Subject: [PATCH] ling (#15678)

Co-authored-by: WickedCybs <wickedcybs@gmail.com>
---
 code/game/gamemodes/changeling/helpers/_framework.dm      | 1 +
 code/game/gamemodes/changeling/helpers/_store.dm          | 8 ++++++++
 .../gamemodes/changeling/implements/powers/resources.dm   | 6 ++++++
 code/modules/mob/living/carbon/breathe.dm                 | 4 +++-
 html/changelogs/wickedcybs_nobreathe.yml                  | 6 ++++++
 5 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 html/changelogs/wickedcybs_nobreathe.yml

diff --git a/code/game/gamemodes/changeling/helpers/_framework.dm b/code/game/gamemodes/changeling/helpers/_framework.dm
index 2f4ddfde43d..3236fbab093 100644
--- a/code/game/gamemodes/changeling/helpers/_framework.dm
+++ b/code/game/gamemodes/changeling/helpers/_framework.dm
@@ -12,6 +12,7 @@ var/global/list/possible_changeling_IDs = list("Alpha","Beta","Gamma","Delta","E
 	var/sting_range = 1
 	var/space_adapted = FALSE
 	var/using_thermals = FALSE
+	var/no_breathing = FALSE
 	var/changelingID = "Changeling"
 	var/geneticdamage = 0
 	var/isabsorbing = 0
diff --git a/code/game/gamemodes/changeling/helpers/_store.dm b/code/game/gamemodes/changeling/helpers/_store.dm
index e9f444f916d..9edafdd0868 100644
--- a/code/game/gamemodes/changeling/helpers/_store.dm
+++ b/code/game/gamemodes/changeling/helpers/_store.dm
@@ -175,6 +175,14 @@ var/list/datum/power/changeling/powerinstances = list()
 	isVerb = FALSE
 	verbpath = /mob/proc/changeling_engorgedglands
 
+/datum/power/changeling/nobreathing
+	name = "UPGRADE: No Breathing"
+	desc = "We no longer have need to breathe, although we go through the motions to fool observers."
+	helptext = "Harmful gas can still irritate your eyes and this doesn't mean you can survive in space without a suit. Lung damage can still hurt somewhat."
+	genomecost = 2
+	isVerb = FALSE
+	verbpath = /mob/proc/changeling_nobreathing
+
 /datum/power/changeling/space_adaption
 	name = "UPGRADE: Space Adaption"
 	desc = "Our body chemistry changes to become resistant to the effects of low pressure, and we no longer have the need to breathe."
diff --git a/code/game/gamemodes/changeling/implements/powers/resources.dm b/code/game/gamemodes/changeling/implements/powers/resources.dm
index 7393cf01d34..850922335b5 100644
--- a/code/game/gamemodes/changeling/implements/powers/resources.dm
+++ b/code/game/gamemodes/changeling/implements/powers/resources.dm
@@ -20,6 +20,12 @@
 	AddComponent(/datum/component/armor, list(melee = ARMOR_MELEE_RESISTANT, bullet = ARMOR_BALLISTIC_CARBINE, laser = ARMOR_LASER_MEDIUM))
 	return TRUE
 
+//removes the need to breathe
+/mob/proc/changeling_nobreathing()
+	var/datum/changeling/changeling = mind.antag_datums[MODE_CHANGELING]
+	changeling.no_breathing = TRUE
+	return TRUE
+
 // HIVE MIND UPLOAD/DOWNLOAD DNA
 
 var/list/datum/absorbed_dna/hivemind_bank = list()
diff --git a/code/modules/mob/living/carbon/breathe.dm b/code/modules/mob/living/carbon/breathe.dm
index cbc30a15a97..e47e9ca2a9d 100644
--- a/code/modules/mob/living/carbon/breathe.dm
+++ b/code/modules/mob/living/carbon/breathe.dm
@@ -26,7 +26,9 @@
 	var/datum/changeling/changeling = get_antag_datum(MODE_CHANGELING)
 	if(changeling?.space_adapted)
 		return
-	
+	if(changeling?.no_breathing)
+		return
+		
 	volume_needed *= (species?.breath_vol_mul || 1)
 
 	var/datum/gas_mixture/breath = null
diff --git a/html/changelogs/wickedcybs_nobreathe.yml b/html/changelogs/wickedcybs_nobreathe.yml
new file mode 100644
index 00000000000..4c9451ce587
--- /dev/null
+++ b/html/changelogs/wickedcybs_nobreathe.yml
@@ -0,0 +1,6 @@
+author: WickedCybs
+
+delete-after: True
+
+changes:
+  - rscadd: "Added an upgrade to changelings that disables their need to breathe in order to survive. Useful for those who don't intend on getting full space adapation."
\ No newline at end of file