Moving unarmed attacks onto limbs.

code/game/machinery/camera/camera.dm

@@ -187,7 +187,7 @@
 /obj/machinery/camera/physical_attack_hand(mob/living/human/user)
 	if(!istype(user))
 		return TRUE
-	if(user.species.can_shred(user))
+	if(user.can_shred())
 		user.do_attack_animation(src)
 		visible_message(SPAN_WARNING("\The [user] slashes at [src]!"))
 		playsound(src.loc, 'sound/weapons/slash.ogg', 100, 1)

code/game/machinery/doors/windowdoor.dm

@@ -139,13 +139,11 @@
 		return
 
 /obj/machinery/door/window/physical_attack_hand(mob/user)
-	if(ishuman(user))
-		var/mob/living/human/H = user
-		if(H.species.can_shred(H))
-			playsound(loc, 'sound/effects/Glasshit.ogg', 75, 1)
-			visible_message("<span class='danger'>\The [user] smashes against \the [src].</span>", 1)
-			take_damage(25)
-			return TRUE
+	if(user.can_shred())
+		playsound(loc, 'sound/effects/Glasshit.ogg', 75, 1)
+		visible_message(SPAN_DANGER("\The [user] smashes against \the [src]."))
+		take_damage(25)
+		return TRUE
 	return ..()
 
 /obj/machinery/door/window/emag_act(var/remaining_charges, var/mob/user)

code/game/objects/items/weapons/weaponry.dm

@@ -193,13 +193,9 @@
 /obj/effect/energy_net/attack_hand(var/mob/user)
 	if(!user.check_intent(I_FLAG_HARM))
 		return ..()
-	var/decl/species/my_species = user.get_species()
-	if(my_species)
-		if(my_species.can_shred(user))
-			playsound(src.loc, 'sound/weapons/slash.ogg', 80, 1)
-			current_health -= rand(10, 20)
-		else
-			current_health -= rand(1,3)
+	if(user.can_shred())
+		playsound(src.loc, 'sound/weapons/slash.ogg', 80, 1)
+		current_health -= rand(10, 20)
 	else
 		current_health -= rand(5,8)
 	to_chat(user, SPAN_DANGER("You claw at the energy net."))

code/game/objects/structures/defensive_barrier.dm

@@ -105,8 +105,7 @@
 	if(!user.check_dexterity(DEXTERITY_HOLD_ITEM, TRUE))
 		return ..()
 
-	var/decl/species/species = user.get_species()
-	if(ishuman(user) && species?.can_shred(user) && user.check_intent(I_FLAG_HARM))
+	if(user.can_shred() && user.check_intent(I_FLAG_HARM))
 		take_damage(20)
 		user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
 		return TRUE

code/game/objects/structures/grille.dm

@@ -101,12 +101,10 @@
 
 	var/damage_dealt = 1
 	var/attack_message = "kicks"
-	if(ishuman(user))
-		var/mob/living/human/H = user
-		if(H.species.can_shred(H))
-			attack_message = "mangles"
-			damage_dealt = 5
-	attack_generic(user,damage_dealt,attack_message)
+	if(user.can_shred())
+		attack_message = "mangles"
+		damage_dealt = 5
+	attack_generic(user, damage_dealt, attack_message)
 	return TRUE
 
 /obj/structure/grille/CanPass(atom/movable/mover, turf/target, height=0, air_group=0)

code/game/objects/structures/window.dm

@@ -147,21 +147,23 @@
 	user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
 	if (user.check_intent(I_FLAG_HARM))
 
-		if (ishuman(user))
-			var/mob/living/human/H = user
-			if(H.species.can_shred(H))
-				return attack_generic(H,25)
+		if(user.can_shred())
+			return attack_generic(user, 25)
 
 		playsound(src.loc, 'sound/effects/glassknock.ogg', 80, 1)
 		user.do_attack_animation(src)
-		user.visible_message(SPAN_DANGER("\The [user] bangs against \the [src]!"),
-							SPAN_DANGER("You bang against \the [src]!"),
-							"You hear a banging sound.")
+		user.visible_message(
+			SPAN_DANGER("\The [user] bangs against \the [src]!"),
+			SPAN_DANGER("You bang against \the [src]!"),
+			"You hear a banging sound."
+		)
 	else
 		playsound(src.loc, 'sound/effects/glassknock.ogg', 80, 1)
-		user.visible_message("[user.name] knocks on \the [src].",
-							"You knock on \the [src].",
-							"You hear a knocking sound.")
+		user.visible_message(
+			SPAN_NOTICE("\The [user] knocks on \the [src]."),
+			SPAN_NOTICE("You knock on \the [src]."),
+			"You hear a knocking sound."
+		)
 	return TRUE
 
 /obj/structure/window/do_simple_ranged_interaction(var/mob/user)

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

@@ -1,13 +1,12 @@
 /mob/living/human/proc/get_unarmed_attack(var/mob/target, var/hit_zone = null)
 	if(!hit_zone)
 		hit_zone = get_target_zone()
-	var/list/available_attacks = get_natural_attacks()
+	var/list/available_attacks = get_mob_natural_attacks()
 	var/decl/natural_attack/use_attack = default_attack
 	if(!use_attack || !use_attack.is_usable(src, target, hit_zone) || !(use_attack.type in available_attacks))
 		use_attack = null
 		var/list/other_attacks = list()
-		for(var/u_attack_type in available_attacks)
-			var/decl/natural_attack/u_attack = GET_DECL(u_attack_type)
+		for(var/decl/natural_attack/u_attack as anything in available_attacks)
 			if(!u_attack.is_usable(src, target, hit_zone))
 				continue
 			if(u_attack.is_starting_default)
@@ -18,11 +17,8 @@
 			use_attack = pick(other_attacks)
 	. = use_attack?.resolve_to_soft_variant(src)
 
-/mob/living/human/proc/get_natural_attacks()
-	. = list()
-	for(var/obj/item/organ/external/limb in get_external_organs())
-		if(length(limb.unarmed_attacks) && limb.is_usable())
-			. |= limb.unarmed_attacks
+/obj/item/organ/external/proc/get_natural_attacks()
+	return null
 
 /obj/item/organ/external/proc/get_injury_status(include_pain = TRUE, include_visible = TRUE)
 	. = list()
@@ -409,14 +405,12 @@
 	set src = usr
 
 	var/list/choices
-	for(var/thing in get_natural_attacks())
-		var/decl/natural_attack/u_attack = GET_DECL(thing)
-		if(istype(u_attack))
-			var/image/radial_button = new
-			radial_button.name = capitalize(u_attack.name)
-			LAZYSET(choices, u_attack, radial_button)
+	for(var/decl/natural_attack/u_attack as anything in get_mob_natural_attacks())
+		var/image/radial_button = new
+		radial_button.name = capitalize(u_attack.name)
+		LAZYSET(choices, u_attack, radial_button)
 	var/decl/natural_attack/new_attack = show_radial_menu(src, (attack_selector || src), choices, radius = 42, use_labels = RADIAL_LABELS_OFFSET)
-	if(QDELETED(src) || !istype(new_attack) || !(new_attack.type in get_natural_attacks()))
+	if(QDELETED(src) || !istype(new_attack) || !(new_attack in get_mob_natural_attacks()))
 		return
 	default_attack = new_attack
 	to_chat(src, SPAN_NOTICE("Your default unarmed attack is now <b>[default_attack?.name || "cleared"]</b>."))

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

@@ -23,8 +23,6 @@
 	var/mob/remoteview_target = null
 	var/hand_blood_color
 	var/list/flavor_texts = list()
-	/// Are you trying not to hurt your opponent?
-	var/pulling_punches
 	/// We are a robutt.
 	var/full_prosthetic
 	/// Number of robot limbs.

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

@@ -319,9 +319,3 @@
 		"<span class='danger'>[self ? "You pop" : "[U] pops"] your [current_limb.joint] back in!</span>" \
 		)
 		current_limb.undislocate()
-
-/mob/living/human/verb/pull_punches()
-	set name = "Switch Stance"
-	set desc = "Try not to hurt them."
-	set category = "IC"
-	species.toggle_stance(src)

code/modules/mob/living/living.dm

@@ -2023,3 +2023,11 @@ default behaviour is:
 	// or things should just update their worn slot when coating is added
 	update_equipment_overlay(slot_shoes_str)
 	return TRUE
+
+/mob/living/verb/pull_punches()
+	set name = "Switch Stance"
+	set desc = "Try not to hurt them."
+	set category = "IC"
+	if(!incapacitated())
+		pulling_punches = !pulling_punches
+		to_chat(src, SPAN_NOTICE("You are now [pulling_punches ? "pulling your punches" : "not pulling your punches"]."))

code/modules/mob/living/living_resist.dm

@@ -63,8 +63,7 @@
 	return 1
 
 /mob/living/proc/can_break_restraints()
-	var/decl/species/my_species = get_species()
-	return my_species?.can_shred(src, 1)
+	return can_shred(ignore_intent = TRUE)
 
 /mob/living/proc/get_special_resist_time()
 	return 0

code/modules/mob/living/silicon/robot/robot.dm

@@ -643,8 +643,7 @@
 	return user?.attempt_hug(src)
 
 /mob/living/silicon/robot/default_hurt_interaction(mob/user)
-	var/decl/species/user_species = user.get_species()
-	if(user_species?.can_shred(user))
+	if(user.can_shred())
 		attack_generic(user, rand(30,50), "slashed")
 		user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
 		return TRUE

code/modules/mob/mob.dm

@@ -1392,3 +1392,24 @@
 		paw = GET_EXTERNAL_ORGAN(src, BP_R_HAND)
 	if(istype(paw) && paw.is_usable())
 		return paw
+
+// Called when using the shredding behavior.
+/mob/proc/can_shred(var/mob/living/human/H, var/ignore_intent, var/ignore_antag)
+	if((!ignore_intent && !check_intent(I_FLAG_HARM)) || pulling_punches)
+		return FALSE
+	if(!ignore_antag && mind && !player_is_antag(mind))
+		return FALSE
+	if(get_equipped_item(slot_handcuffed_str) || buckled)
+		return FALSE
+	for(var/decl/natural_attack/attack as anything in get_mob_natural_attacks())
+		if(attack.is_usable(src) && attack.shredding)
+			return TRUE
+	return FALSE
+
+/mob/proc/get_mob_natural_attacks()
+	for(var/obj/item/organ/external/limb in get_external_organs())
+		if(!limb.is_usable())
+			continue
+		var/list/limb_unarmed_attacks = limb.get_natural_attacks()
+		if(istype(limb_unarmed_attacks, /decl/natural_attack) || (islist(limb_unarmed_attacks) && length(limb_unarmed_attacks)))
+			LAZYDISTINCTADD(., limb_unarmed_attacks)

code/modules/mob/mob_defines.dm

@@ -156,3 +156,6 @@
 	// Offset the overhead text if necessary.
 	var/offset_overhead_text_x = 0
 	var/offset_overhead_text_y = 0
+
+	/// Are you trying not to hurt your opponent?
+	var/pulling_punches

code/modules/organs/external/_external.dm

@@ -70,8 +70,6 @@
 	var/stage = 0
 	var/cavity = 0
 
-	var/list/unarmed_attacks
-
 	var/atom/movable/applied_pressure
 	var/atom/movable/splinted
 
@@ -141,10 +139,6 @@
 	_icon_cache_key = null
 	. = ..()
 	skin_blend = bodytype.limb_blend
-	for(var/attack_type in species.unarmed_attacks)
-		var/decl/natural_attack/attack = GET_DECL(attack_type)
-		if(istype(attack) && (organ_tag in attack.usable_with_limbs))
-			LAZYADD(unarmed_attacks, attack_type)
 	update_icon()
 
 /obj/item/organ/external/set_bodytype(decl/bodytype/new_bodytype, override_material = null, apply_to_internal_organs = TRUE)

code/modules/organs/external/head.dm

@@ -20,6 +20,24 @@
 	var/forehead_graffiti
 	var/graffiti_style
 
+/obj/item/organ/external/head/get_natural_attacks()
+	if(!can_intake_reagents)
+		return null
+	var/static/unarmed_attack = GET_DECL(/decl/natural_attack/bite)
+	return unarmed_attack
+
+/obj/item/organ/external/head/sharp_bite/get_natural_attacks()
+	if(!can_intake_reagents)
+		return null
+	var/static/unarmed_attack = GET_DECL(/decl/natural_attack/bite/sharp)
+	return unarmed_attack
+
+/obj/item/organ/external/head/strong_bite/get_natural_attacks()
+	if(!can_intake_reagents)
+		return null
+	var/static/unarmed_attack = GET_DECL(/decl/natural_attack/bite/strong)
+	return unarmed_attack
+
 /obj/item/organ/external/head/proc/get_organ_eyes_overlay()
 	if(!glowing_eyes && !owner?.has_chemical_effect(CE_GLOWINGEYES, 1))
 		return

code/modules/organs/external/standard.dm

@@ -113,6 +113,13 @@
 	limb_flags = ORGAN_FLAG_CAN_AMPUTATE | ORGAN_FLAG_CAN_STAND | ORGAN_FLAG_HAS_TENDON | ORGAN_FLAG_CAN_BREAK | ORGAN_FLAG_CAN_DISLOCATE
 	organ_category = ORGAN_CATEGORY_STANCE
 
+/obj/item/organ/external/foot/get_natural_attacks()
+	var/static/list/unarmed_attacks = list(
+		GET_DECL(/decl/natural_attack/stomp),
+		GET_DECL(/decl/natural_attack/kick)
+	)
+	return unarmed_attacks
+
 /obj/item/organ/external/foot/right
 	organ_tag = BP_R_FOOT
 	name = "right foot"
@@ -139,6 +146,10 @@
 	is_washable = TRUE
 	var/gripper_type = /datum/inventory_slot/gripper/left_hand
 
+/obj/item/organ/external/hand/get_natural_attacks()
+	var/static/unarmed_attack = GET_DECL(/decl/natural_attack/punch)
+	return unarmed_attack
+
 /obj/item/organ/external/hand/do_install(mob/living/human/target, affected, in_place, update_icon, detached)
 	. = ..()
 	if(. && owner && gripper_type)
@@ -158,3 +169,11 @@
 	joint = "right wrist"
 	amputation_point = "right wrist"
 	gripper_type = /datum/inventory_slot/gripper/right_hand
+
+/obj/item/organ/external/hand/clawed/get_natural_attacks()
+	var/static/unarmed_attack = GET_DECL(/decl/natural_attack/claws)
+	return unarmed_attack
+
+/obj/item/organ/external/hand/right/clawed/get_natural_attacks()
+	var/static/unarmed_attack = GET_DECL(/decl/natural_attack/claws)
+	return unarmed_attack

code/modules/paperwork/papershredder.dm

@@ -89,7 +89,7 @@
 /obj/machinery/papershredder/proc/is_bin_empty()
 	return !(length(shredder_bin) > 0 && cached_total_matter)
 
-/obj/machinery/papershredder/proc/can_shred(var/obj/item/I, var/mob/user = null)
+/obj/machinery/papershredder/proc/can_shred_document(var/obj/item/I, var/mob/user = null)
 	if(!istype(I))
 		if(user)
 			to_chat(user, SPAN_WARNING("\The [I] cannot be shredded by \the [src]!"))
@@ -120,7 +120,7 @@
 			empty_bin(user, used_item)
 			return TRUE
 
-		else if(!trying_to_smack && can_shred(used_item))
+		else if(!trying_to_smack && can_shred_document(used_item))
 			shred(used_item, user)
 			return TRUE
 	return ..()

code/modules/power/apc.dm

@@ -491,21 +491,20 @@ var/global/list/all_apcs = list()
 
 /obj/machinery/power/apc/physical_attack_hand(mob/user)
 	//Human mob special interaction goes here.
-	if(ishuman(user))
-		var/mob/living/human/H = user
-
-		if(H.species.can_shred(H))
-			user.visible_message("<span class='warning'>\The [user] slashes at \the [src]!</span>", "<span class='notice'>You slash at \the [src]!</span>")
-			playsound(src.loc, 'sound/weapons/slash.ogg', 100, 1)
-
-			var/allcut = wires.IsAllCut()
-			if(beenhit >= pick(3, 4) && allcut == 0)
-				wires.CutAll()
-				src.update_icon()
-				src.visible_message("<span class='warning'>\The [src]'s wires are shredded!</span>")
-			else
-				beenhit += 1
-			return TRUE
+	if(user.can_shred())
+		user.visible_message(
+			SPAN_DANGER("\The [user] slashes at \the [src]!"),
+			SPAN_DANGER("You slash at \the [src]!")
+		)
+		playsound(src.loc, 'sound/weapons/slash.ogg', 100, 1)
+		var/allcut = wires.IsAllCut()
+		if(beenhit >= pick(3, 4) && allcut == 0)
+			wires.CutAll()
+			update_icon()
+			visible_message(SPAN_DANGER("\The [src]'s wires are shredded!"))
+		else
+			beenhit += 1
+		return TRUE
 	return FALSE
 
 /obj/machinery/power/apc/interface_interact(mob/user)

code/modules/power/lighting.dm

@@ -316,12 +316,13 @@
 		to_chat(user, "There is no [get_fitting_name()] in this light.")
 		return TRUE
 
-	if(ishuman(user))
-		var/mob/living/human/H = user
-		if(H.species.can_shred(H))
-			visible_message("<span class='warning'>[user.name] smashed the light!</span>", 3, "You hear a tinkle of breaking glass.")
-			broken()
-			return TRUE
+	if(user.can_shred())
+		visible_message(
+			SPAN_DANGER("\The [user] smashes the light!"),
+			blind_message = "You hear a tinkle of breaking glass."
+		)
+		broken()
+		return TRUE
 
 	// make it burn hands if not wearing fire-insulated gloves
 	if(on)