Fixes humans unable to use vehicle gunner seat

code/__DEFINES/traits.dm

@@ -175,12 +175,12 @@
 #define TRAIT_INFILTRATOR_SYNTH "t_infiltrator_synth"
 /// Makes it impossible to strip the inventory of this mob.
 #define TRAIT_UNSTRIPPABLE "t_unstrippable"
+/// If the species can use objects.
+#define TRAIT_OPPOSABLE_THUMBS "t_thumbs"
 
 // HIVE TRAITS
 /// If the Hive is a Xenonid Hive
 #define TRAIT_XENONID "t_xenonid"
-/// If the hive or xeno can use objects.
-#define TRAIT_OPPOSABLE_THUMBS "t_thumbs"
 /// If the Hive delays round end (this is overridden for some hives). Does not occur naturally. Must be applied in events.
 #define TRAIT_NO_HIVE_DELAY "t_no_hive_delay"
 /// If the Hive uses it's colors on the mobs. Does not occur naturally, excepting the Mutated hive.
@@ -348,6 +348,7 @@ GLOBAL_LIST_INIT(traits_by_type, list(
 		"TRAIT_CANNOT_EAT" = TRAIT_CANNOT_EAT,
 		"TRAIT_VULTURE_USER" = TRAIT_VULTURE_USER,
 		"TRAIT_CLOAKED" = TRAIT_CLOAKED,
+		"TRAIT_OPPOSABLE_THUMBS" = TRAIT_OPPOSABLE_THUMBS,
 	),
 //	/mob/living/carbon/human = list(
 //	),

code/game/objects/objs.dm

@@ -306,6 +306,7 @@
 	if (M.mob_size <= MOB_SIZE_XENO)
 		if ((M.stat == DEAD && istype(src, /obj/structure/bed/roller) || HAS_TRAIT(M, TRAIT_OPPOSABLE_THUMBS)))
 			do_buckle(M, user)
+			return
 	if ((M.mob_size > MOB_SIZE_HUMAN))
 		to_chat(user, SPAN_WARNING("[M] is too big to buckle in."))
 		return

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

@@ -87,6 +87,7 @@
 	primitive = /mob/living/carbon/human/monkey
 	unarmed_type = /datum/unarmed_attack/punch
 	flags = HAS_SKIN_TONE|HAS_LIPS|HAS_UNDERWEAR|HAS_HARDCRIT
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS)
 	mob_flags = KNOWS_TECHNOLOGY
 	uses_ethnicity = TRUE
 

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

@@ -11,6 +11,7 @@
 	pain_type = /datum/pain/monkey
 	unarmed_type = /datum/unarmed_attack/bite
 	secondary_unarmed_type = /datum/unarmed_attack
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS)
 	death_message = "lets out a faint chimper as it collapses and stops moving..."
 	knock_down_reduction = 0.5
 	stun_reduction = 0.5

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

@@ -7,7 +7,7 @@
 	unarmed_type = /datum/unarmed_attack/punch/synthetic
 	pain_type = /datum/pain/synthetic
 	stamina_type = /datum/stamina/none
-	mob_inherent_traits = list(TRAIT_SUPER_STRONG)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_SUPER_STRONG)
 	rarity_value = 2
 	insulated = TRUE
 
@@ -62,7 +62,7 @@
 /datum/species/synthetic/gen_one
 	name = SYNTH_GEN_ONE
 	uses_ethnicity = FALSE
-	mob_inherent_traits = list(TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES)
 
 	hair_color = "#000000"
 	icobase = 'icons/mob/humans/species/r_synthetic.dmi'
@@ -77,7 +77,7 @@
 	name_plural = "Colonial Synthetics"
 	uses_ethnicity = TRUE
 	burn_mod = 0.8
-	mob_inherent_traits = list(TRAIT_SUPER_STRONG)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_SUPER_STRONG)
 
 	pain_type = /datum/pain/synthetic/colonial
 	rarity_value = 1.5
@@ -97,7 +97,7 @@
 /datum/species/synthetic/colonial/colonial_gen_one
 	name = SYNTH_COLONY_GEN_ONE
 	uses_ethnicity = FALSE
-	mob_inherent_traits = list(TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES)
 	//sets colonial_gen_one synth's hair to black
 	hair_color = "#000000"
 	//sets colonial_gen_one synth's icon to WJ sprite
@@ -109,7 +109,7 @@
 	name = SYNTH_COMBAT
 	name_plural = "Combat Synthetics"
 	uses_ethnicity = FALSE
-	mob_inherent_traits = list(TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES)
 
 	burn_mod = 0.6 //made for combat
 	total_health = 250 //made for combat
@@ -130,7 +130,7 @@
 	name = SYNTH_INFILTRATOR
 	name_plural = "Infiltrator Synthetics"
 	uses_ethnicity = TRUE
-	mob_inherent_traits = list(TRAIT_SUPER_STRONG, TRAIT_INFILTRATOR_SYNTH)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_SUPER_STRONG, TRAIT_INFILTRATOR_SYNTH)
 
 	bloodsplatter_type = /obj/effect/temp_visual/dir_setting/bloodsplatter/human
 

code/modules/mob/living/carbon/human/species/working_joe/_species.dm

@@ -4,7 +4,7 @@
 	death_message = "violently gargles fluid and seizes up, the glow in their eyes dimming..."
 	uses_ethnicity = FALSE
 	burn_mod = 0.65 // made for hazardous environments, withstanding temperatures up to 1210 degrees
-	mob_inherent_traits = list(TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES, TRAIT_EMOTE_CD_EXEMPT, TRAIT_CANNOT_EAT, TRAIT_UNSTRIPPABLE)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_SUPER_STRONG, TRAIT_INTENT_EYES, TRAIT_EMOTE_CD_EXEMPT, TRAIT_CANNOT_EAT, TRAIT_UNSTRIPPABLE)
 
 	slowdown = 0.45
 	hair_color = "#000000"

code/modules/mob/living/carbon/human/species/yautja/_species.dm

@@ -9,6 +9,7 @@
 	uses_ethnicity = TRUE
 	flags = IS_WHITELISTED|HAS_SKIN_COLOR|NO_CLONE_LOSS|NO_POISON|NO_NEURO|SPECIAL_BONEBREAK|NO_SHRAPNEL|HAS_HARDCRIT
 	mob_inherent_traits = list(
+		TRAIT_OPPOSABLE_THUMBS,
 		TRAIT_YAUTJA_TECH,
 		TRAIT_SUPER_STRONG,
 		TRAIT_FOREIGN_BIO,

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

@@ -15,7 +15,7 @@
 	stamina_type = /datum/stamina/none
 	death_message = "seizes up and falls limp..."
 	flags = NO_BREATHE|NO_CLONE_LOSS|NO_POISON|NO_NEURO|NO_SHRAPNEL
-	mob_inherent_traits = list(TRAIT_FOREIGN_BIO)
+	mob_inherent_traits = list(TRAIT_OPPOSABLE_THUMBS, TRAIT_FOREIGN_BIO)
 	brute_mod = 0.6 //Minor bullet resistance
 	burn_mod = 0.8 //Lowered burn damage since it would 1-shot zombies from 2 to 0.8.
 	speech_chance  = 5

code/modules/vehicles/interior/interactable/seats.dm

@@ -108,8 +108,9 @@
 				to_chat(user, SPAN_WARNING("You are unable to use heavy weaponry."))
 			return
 
-		if(!HAS_TRAIT(user, TRAIT_OPPOSABLE_THUMBS))
-			return
+	if(!HAS_TRAIT(user, TRAIT_OPPOSABLE_THUMBS))
+		return
+
 	for(var/obj/item/I in user.contents)		//prevents shooting while zoomed in, but zoom can still be activated and used without shooting
 		if(I.zoom)
 			I.zoom(user)