ok

code/__DEFINES/_flags/return_values.dm

@@ -7,8 +7,6 @@
 #define STOP_ATTACK_PROC_CHAIN					(1<<0)
 /// This attack should discard last_action instead of flushing (storing) it). You should probably know what you're doing if you use this considering this is how clickdelay is enforced.
 #define DISCARD_LAST_ACTION						(1<<1)
-/// Override automatic last_action set. There's usually a safety net in that attempting to attack a mob will set last_action even if the item itself doesn't specifically set it. If this is present, that doesn't happen.
-#define MANUALLY_HANDLE_LAST_ACTION				(1<<2)
 
 // UnarmedAttack() flags
 /// Attack is from a parry counterattack

code/_onclick/click.dm

@@ -111,12 +111,9 @@
 	if(A in DirectAccess())
 		if(W)
 			. = W.melee_attack_chain(src, A, params)
-			if(ismob(A) && !(. & MANUALLY_HANDLE_LAST_ACTION))
-				DelayNextAction()
 			. = !(. & DISCARD_LAST_ACTION)
 		else
-			UnarmedAttack(A)
-		return
+			. = UnarmedAttack(A)? TRUE : FALSE
 
 	//Can't reach anything else in lockers or other weirdness
 	if(!loc.AllowClick())
@@ -126,11 +123,9 @@
 	if(CanReach(A,W))
 		if(W)
 			. = W.melee_attack_chain(src, A, params)
-			if(ismob(A) && !(. & MANUALLY_HANDLE_LAST_ACTION))
-				DelayNextAction()
 			. = !(. & DISCARD_LAST_ACTION)
 		else
-			UnarmedAttack(A, 1)
+			. = UnarmedAttack(A, 1)? TRUE : FALSE
 	else
 		if(W)
 			W.ranged_attack_chain(src, A, params)

code/_onclick/cyborg.dm

@@ -79,8 +79,6 @@
 		// cyborgs are prohibited from using storage items so we can I think safely remove (A.loc in contents)
 		if(A == loc || (A in loc) || (A in contents))
 			. = W.melee_attack_chain(src, A, params)
-			if(ismob(A) && !(. & MANUALLY_HANDLE_LAST_ACTION))
-				DelayNextAction()
 			. = !(. & DISCARD_LAST_ACTION)
 			return
 
@@ -91,8 +89,6 @@
 		if(isturf(A) || isturf(A.loc))
 			if(A.Adjacent(src)) // see adjacent.dm
 				. = W.melee_attack_chain(src, A, params)
-				if(ismob(A) && !(. & MANUALLY_HANDLE_LAST_ACTION))
-					DelayNextAction()
 				. = !(. & DISCARD_LAST_ACTION)
 				return
 			else

code/_onclick/right_click.dm

@@ -37,12 +37,10 @@
 	if(A in DirectAccess())
 		if(W)
 			. = W.rightclick_melee_attack_chain(src, A, params)
-			if(ismob(A) && !(. & MANUALLY_HANDLE_LAST_ACTION))
-				DelayNextAction()
 			. = !(. & DISCARD_LAST_ACTION)
 		else
 			if(!AltUnarmedAttack(A))
-				UnarmedAttack(A)
+				. = UnarmedAttack(A, 1)? TRUE : FALSE
 		return
 
 	//Can't reach anything else in lockers or other weirdness
@@ -53,12 +51,10 @@
 	if(CanReach(A,W))
 		if(W)
 			. = W.rightclick_melee_attack_chain(src, A, params)
-			if(ismob(A) && !(. & MANUALLY_HANDLE_LAST_ACTION))
-				DelayNextAction()
 			. = !(. & DISCARD_LAST_ACTION)
 		else
 			if(!AltUnarmedAttack(A,1))
-				UnarmedAttack(A,1)
+				. = UnarmedAttack(A, 1)? TRUE : FALSE
 	else
 		if(W)
 			if(!W.altafterattack(A, src, FALSE, params))

code/game/objects/items.dm

@@ -12,6 +12,10 @@ GLOBAL_VAR_INIT(embedpocalypse, FALSE) // if true, all items will be able to emb
 	icon = 'icons/obj/items_and_weapons.dmi'
 	blocks_emissive = EMISSIVE_BLOCK_GENERIC
 	
+	attack_hand_speed = 0
+	attack_hand_is_action = FALSE
+	attack_hand_unwieldlyness = 0
+
 	///icon state name for inhand overlays
 	var/item_state = null
 	///Icon file for left hand inhand overlays

code/modules/mining/lavaland/necropolis_chests.dm

@@ -701,11 +701,10 @@
 		to_chat(user, "<span class='warning'>You accidentally cut yourself with [src], like a doofus!</span>")
 		user.take_bodypart_damage(10)
 
-/obj/item/melee/transforming/cleaving_saw/melee_attack_chain(mob/user, atom/target, params)
+/obj/item/melee/transforming/cleaving_saw/ApplyAttackCooldown(mob/user, atom/target)
 	. = ..()
 	if(!active)
 		user.SetNextAction(CLICK_CD_MELEE * 0.5) //when closed, it attacks very rapidly
-		. |= MANUALLY_HANDLE_LAST_ACTION
 
 /obj/item/melee/transforming/cleaving_saw/nemesis_effects(mob/living/user, mob/living/target)
 	var/datum/status_effect/stacking/saw_bleed/B = target.has_status_effect(STATUS_EFFECT_SAWBLEED)

code/modules/mob/mob_defines.dm

@@ -12,6 +12,9 @@
 
 	vis_flags = VIS_INHERIT_PLANE //when this be added to vis_contents of something it inherit something.plane, important for visualisation of mob in openspace.
 	
+	attack_hand_is_action = TRUE
+	attack_hand_unwieldlyness = CLICK_CD_MELEE
+
 	/// What receives our keyboard input. src by default.
 	var/datum/focus