synth alcohol immunity

code/__DEFINES/traits.dm

@@ -205,7 +205,8 @@
 #define TRAIT_THERMAL_VISION    "thermal_vision"
 #define TRAIT_NO_TELEPORT		"no-teleport" //you just can't
 #define TRAIT_NO_INTERNALS		"no-internals"
-#define TRAIT_NO_ALCOHOL		"alcohol_intolerance"
+#define TRAIT_NO_ALCOHOL		"alcohol_immunity"
+#define TRAIT_TOXIC_ALCOHOL		"alcohol_intolerance"
 #define TRAIT_MUTATION_STASIS			"mutation_stasis" //Prevents processed genetics mutations from processing.
 #define TRAIT_FAST_PUMP				"fast_pump"
 #define TRAIT_NO_PROCESS_FOOD	"no-process-food" // You don't get benefits from nutriment, nor nutrition from reagent consumables

code/_globalvars/traits.dm

@@ -105,6 +105,7 @@ GLOBAL_LIST_INIT(traits_by_type, list(
 		"TRAIT_FREESPRINT" = TRAIT_FREESPRINT,
 		"TRAIT_NO_INTERNALS" = TRAIT_NO_INTERNALS,
 		"TRAIT_NO_ALCOHOL" = TRAIT_NO_ALCOHOL,
+		"TRAIT_TOXIC_ALCOHOL" = TRAIT_TOXIC_ALCOHOL,
 		"TRAIT_MUTATION_STASIS" = TRAIT_MUTATION_STASIS,
 		"TRAIT_HEAVY_SLEEPER" = TRAIT_HEAVY_SLEEPER,
 		"TRAIT_LIGHT_STEP" = TRAIT_LIGHT_STEP,

code/datums/traits/neutral.dm

@@ -109,7 +109,7 @@
 	name = "Alcohol Intolerance"
 	desc = "You take toxin damage from alcohol rather than getting drunk."
 	value = 0
-	mob_trait = TRAIT_NO_ALCOHOL
+	mob_trait = TRAIT_TOXIC_ALCOHOL
 	medical_record_text = "Patient's body does not react properly to ethyl alcohol."
 
 /datum/quirk/alcohol_intolerance/add()

code/modules/mob/living/carbon/human/species_types/android.dm

@@ -3,7 +3,7 @@
 	id = SPECIES_ANDROID
 	say_mod = "states"
 	species_traits = list(NOBLOOD,NOGENITALS,NOAROUSAL,ROBOTIC_LIMBS)
-	inherent_traits = list(TRAIT_RESISTHEAT,TRAIT_NOBREATH,TRAIT_RESISTCOLD,TRAIT_RESISTHIGHPRESSURE,TRAIT_RESISTLOWPRESSURE,TRAIT_RADIMMUNE,TRAIT_NOFIRE,TRAIT_PIERCEIMMUNE,TRAIT_NOHUNGER,TRAIT_LIMBATTACHMENT, TRAIT_ROBOTIC_ORGANISM)
+	inherent_traits = list(TRAIT_RESISTHEAT,TRAIT_NOBREATH,TRAIT_RESISTCOLD,TRAIT_RESISTHIGHPRESSURE,TRAIT_RESISTLOWPRESSURE,TRAIT_RADIMMUNE,TRAIT_NOFIRE,TRAIT_PIERCEIMMUNE,TRAIT_NOHUNGER,TRAIT_LIMBATTACHMENT, TRAIT_NO_ALCOHOL, TRAIT_ROBOTIC_ORGANISM)
 	inherent_biotypes = MOB_ROBOTIC|MOB_HUMANOID
 	meat = null
 	gib_types = /obj/effect/gibspawner/robot

code/modules/mob/living/carbon/human/species_types/ipc.dm

@@ -5,7 +5,7 @@
 	default_color = "00FF00"
 	blacklisted = 0
 	sexes = 0
-	inherent_traits = list(TRAIT_EASYDISMEMBER,TRAIT_LIMBATTACHMENT,TRAIT_NO_PROCESS_FOOD, TRAIT_ROBOTIC_ORGANISM)
+	inherent_traits = list(TRAIT_EASYDISMEMBER,TRAIT_LIMBATTACHMENT,TRAIT_NO_PROCESS_FOOD, TRAIT_NO_ALCOHOL, TRAIT_ROBOTIC_ORGANISM)
 	species_traits = list(MUTCOLORS,NOEYES,NOTRANSSTING,HAS_FLESH,HAS_BONE,HAIR,ROBOTIC_LIMBS)
 	hair_alpha = 210
 	inherent_biotypes = MOB_ROBOTIC|MOB_HUMANOID

code/modules/mob/living/carbon/human/species_types/synthliz.dm

@@ -4,7 +4,7 @@
 	say_mod = "beeps"
 	default_color = "00FF00"
 	species_traits = list(MUTCOLORS,NOTRANSSTING,EYECOLOR,LIPS,HAIR,ROBOTIC_LIMBS,HAS_FLESH,HAS_BONE)
-	inherent_traits = list(TRAIT_EASYDISMEMBER,TRAIT_LIMBATTACHMENT,TRAIT_NO_PROCESS_FOOD, TRAIT_ROBOTIC_ORGANISM)
+	inherent_traits = list(TRAIT_EASYDISMEMBER,TRAIT_LIMBATTACHMENT,TRAIT_NO_PROCESS_FOOD, TRAIT_NO_ALCOHOL, TRAIT_ROBOTIC_ORGANISM)
 	inherent_biotypes = MOB_ROBOTIC|MOB_HUMANOID
 	mutant_bodyparts = list("ipc_antenna" = "Synthetic Lizard - Antennae","mam_tail" = "Synthetic Lizard", "mam_snouts" = "Synthetic Lizard - Snout", "legs" = "Digitigrade", "mam_body_markings" = "Synthetic Lizard - Plates", "taur" = "None")
 	meat = /obj/item/reagent_containers/food/snacks/meat/slab/human/mutant/ipc

code/modules/reagents/chemistry/reagents/alcohol_reagents.dm

@@ -37,6 +37,9 @@ All effects don't start immediately, but rather get worse over time; the rate is
 
 /datum/reagent/consumable/ethanol/on_mob_life(mob/living/carbon/C)
 	if(HAS_TRAIT(C, TRAIT_NO_ALCOHOL))
+		return ..()
+
+	if(HAS_TRAIT(C, TRAIT_TOXIC_ALCOHOL))
 		C.adjustToxLoss((boozepwr/25)*REM,forced = TRUE)
 	else if(C.drunkenness < volume * boozepwr * ALCOHOL_THRESHOLD_MODIFIER)
 		var/booze_power = boozepwr