New Origin Traits (#18792)

Adds two new origin traits - small pain resistance and a minor stamina
increase. Currently Unathi from the Tza Prairie have the stamina boost
and Unathi from the Zazalai Mountains have the pain reduction.

Also adds drug & alcohol resistance to Crevan Tajara.

code/modules/background/origins/origins/tajara/adhomai.dm

@@ -165,6 +165,8 @@
 	possible_accents = list(ACCENT_CREVAN)
 	possible_citizenships = CITIZENSHIPS_ADHOMAI
 	possible_religions = RELIGIONS_ADHOMAI
+	origin_traits = list(TRAIT_ORIGIN_ALCOHOL_RESISTANCE, TRAIT_ORIGIN_DRUG_RESISTANCE)
+	origin_traits_descriptions = list("have a higher alcoholic tolerance", "have a higher tolerance to recreative drugs")
 
 /singleton/origin_item/origin/old_nobility
 	name = "Pre-Contact Nobility"

code/modules/background/origins/origins/unathi/izweski.dm

@@ -39,6 +39,8 @@
 	possible_accents = list(ACCENT_TZA_PEASANT)
 	possible_citizenships = list(CITIZENSHIP_IZWESKI, CITIZENSHIP_BIESEL, CITIZENSHIP_COALITION)
 	possible_religions = list(RELIGION_THAKH)
+	origin_traits = list(TRAIT_ORIGIN_STAMINA_BONUS)
+	origin_traits_descriptions = list("have slightly more stamina")
 
 /singleton/origin_item/origin/tza_upper
 	name = "Tza Prairie Upper Castes"
@@ -49,6 +51,8 @@
 	possible_accents = list(ACCENT_TZA_NOBLE)
 	possible_citizenships = list(CITIZENSHIP_IZWESKI)
 	possible_religions = list(RELIGION_THAKH)
+	origin_traits = list(TRAIT_ORIGIN_STAMINA_BONUS)
+	origin_traits_descriptions = list("have slightly more stamina")
 
 /singleton/origin_item/origin/southlands_lower
 	name = "Southlands Lower Castes"
@@ -82,6 +86,8 @@
 	possible_accents = list(ACCENT_ZAZ_LOW)
 	possible_citizenships = list(CITIZENSHIP_IZWESKI, CITIZENSHIP_BIESEL, CITIZENSHIP_COALITION)
 	possible_religions = list(RELIGION_THAKH, RELIGION_SKAKH, RELIGION_AUTAKH, RELIGION_SIAKH, RELIGION_NONE)
+	origin_traits = list(TRAIT_ORIGIN_PAIN_RESISTANCE)
+	origin_traits_descriptions = list("are slightly more resistant to pain")
 
 /singleton/origin_item/origin/zazalai_upper
 	name = "Zazalai Mountains Upper Castes"
@@ -94,3 +100,5 @@
 	possible_accents = list(ACCENT_ZAZ_HIGH)
 	possible_citizenships = list(CITIZENSHIP_IZWESKI)
 	possible_religions = list(RELIGION_THAKH, RELIGION_SKAKH, RELIGION_SIAKH, RELIGION_NONE)
+	origin_traits = list(TRAIT_ORIGIN_PAIN_RESISTANCE)
+	origin_traits_descriptions = list("are slightly more resistant to pain")

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

@@ -1491,6 +1491,8 @@
 	brute_mod = species.brute_mod
 
 	max_stamina = species.stamina
+	if(HAS_TRAIT(src, TRAIT_ORIGIN_STAMINA_BONUS))
+		max_stamina *= 1.1
 	stamina = max_stamina
 	sprint_speed_factor = species.sprint_speed_factor
 	sprint_cost_factor = species.sprint_cost_factor

code/modules/mob/living/carbon/human/life.dm

@@ -639,6 +639,8 @@
 
 		sprint_speed_factor = species.sprint_speed_factor
 		max_stamina = species.stamina
+		if(HAS_TRAIT(src, TRAIT_ORIGIN_STAMINA_BONUS))
+			max_stamina *= 1.1
 		stamina_recovery = species.stamina_recovery
 		sprint_cost_factor = species.sprint_cost_factor
 		move_delay_mod = 0

code/modules/organs/organ_external.dm

@@ -1571,6 +1571,8 @@ Note that amputating the affected organ does in fact remove the infection from t
 	var/last_pain = pain
 	if(owner)
 		amount *= owner.species.pain_mod
+		if(HAS_TRAIT(owner, TRAIT_ORIGIN_PAIN_RESISTANCE))
+			amount = max(amount-1, 1)
 		amount -= (owner.chem_effects[CE_PAINKILLER]/3)
 		if(amount <= 0)
 			return