Implement new cybernetic lungs

Implements the Elite Cybernetic Lungs and Recycler Cybernetic Lungs. This replaces the breathless quirk with a loadout augmentation.

modular_zzplurt/code/datums/quirks/positive_quirks/breathless.dm

@@ -8,3 +8,4 @@
 	mob_trait = TRAIT_NOBREATH
 	hardcore_value = -4
 	icon = FA_ICON_LUNGS
+	hidden_quirk = TRUE

modular_zzplurt/code/modules/customization/modules/client/augment/organs.dm

@@ -0,0 +1,11 @@
+/datum/augment_item/organ/lungs/elite
+	name = "Elite Cybernetic Lungs"
+	slot = AUGMENT_SLOT_LUNGS
+	path = /obj/item/organ/internal/lungs/cybernetic/elite
+	cost = 4
+
+/datum/augment_item/organ/lungs/hot
+	name = "Recycler Cybernetic Lungs"
+	slot = AUGMENT_SLOT_LUNGS
+	path = /obj/item/organ/internal/lungs/cybernetic/tier2/recycler
+	cost = 4

modular_zzplurt/code/modules/organs/code/lungs.dm

@@ -0,0 +1,36 @@
+/obj/item/organ/internal/lungs/cybernetic/elite
+	name = "elite cybernetic lungs"
+	desc = "An experimental version of the upgraded cybernetic lungs. Features maximum tolerance against heat, cold, plasma, and carbon dioxide."
+	icon_state = "lungs-c-u2"
+
+	// Slightly better than upgraded cybernetic lungs (13)
+	safe_oxygen_min = 10
+
+	// Slightly better than toxin-adapted lungs (27)
+	safe_co2_max = 25
+	safe_plasma_max = 25
+
+	// Copied from cold-adapted lungs
+	cold_message = "a slightly painful, though bearable, cold sensation"
+	cold_level_1_threshold = 208
+	cold_level_2_threshold = 200
+	cold_level_3_threshold = 170
+
+	// Copied from heat-adapted lungs
+	hot_message = "a slightly painful, though bearable, warmth"
+	heat_level_1_threshold = 373
+	heat_level_2_threshold = 473
+	heat_level_3_threshold = 523
+
+/obj/item/organ/internal/lungs/cybernetic/tier2/recycler
+	name = "recycler cybernetic lungs"
+	desc = "An upgraded version of standard cybernetic lungs. Alleviates the need for oxygen by recycling it from the user's blood."
+
+	// No oxygen requirement
+	safe_oxygen_min = 0
+
+	low_threshold_passed = span_warning("Your lungs struggle to recycle the oxygen in your blood.")
+	high_threshold_passed = span_warning("You feel some sort of constriction around your chest as your lugs struggle to filter your blood.")
+	now_fixed = span_warning("Your lungs seem to once again be recycling oxygen.")
+	low_threshold_cleared = span_info("Your lungs start functioning normally again.")
+	high_threshold_cleared = span_info("The constriction around your chest loosens as your lungs start functioning normally again.")

tgstation.dme

@@ -9475,6 +9475,7 @@
 #include "modular_zzplurt\code\modules\clothing\underwear\~generated_files\shirt_edits.dm"
 #include "modular_zzplurt\code\modules\clothing\underwear\~generated_files\socks.dm"
 #include "modular_zzplurt\code\modules\clothing\underwear\~generated_files\socks_edits.dm"
+#include "modular_zzplurt\code\modules\customization\modules\client\augment\organs.dm"
 #include "modular_zzplurt\code\modules\discord\tgs_commands.dm"
 #include "modular_zzplurt\code\modules\discord\verbs.dm"
 #include "modular_zzplurt\code\modules\hud\_hud.dm"
@@ -9517,6 +9518,7 @@
 #include "modular_zzplurt\code\modules\modular_items\lewd_items\code\lewd_organs\breasts.dm"
 #include "modular_zzplurt\code\modules\movespeed\modifiers\components.dm"
 #include "modular_zzplurt\code\modules\movespeed\modifiers\innate.dm"
+#include "modular_zzplurt\code\modules\organs\code\lungs.dm"
 #include "modular_zzplurt\code\modules\reagents\chemistry\machinery\chem_dispenser.dm"
 #include "modular_zzplurt\code\modules\reagents\chemistry\reagents\food_reagents.dm"
 #include "modular_zzplurt\code\modules\reagents\chemistry\reagents\other_reagents.dm"