Full Auto Gun Mode Component (#24998)

* Full Auto Gun Mode Component

* Apply some refactoring

* spaces mhmm

* Some signal movement

* Apply DGamerL suggestions

* Unknown SIGNAL_HANDLER no more

* Fix runtime if uid is passed

* Why the hell you even care

* god you serious

---------

Co-authored-by: Gottfrei <zweisen@gmail.com>

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

@@ -42,7 +42,7 @@
 	var/turf/location = loc
 	if(ismob(location))
 		var/mob/M = location
-		if(M.l_hand == src || M.r_hand == src)
+		if(M.is_holding(src))
 			location = M.loc
 	if(isturf(location)) //start a fire if possible
 		igniter.flamethrower_process(location)

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

@@ -360,7 +360,7 @@
 	if(ishuman(loc))
 		var/mob/living/carbon/human/our_location = loc
 		if(istype(our_location))
-			if(src != our_location.l_hand && src != our_location.r_hand)
+			if(!our_location.is_holding(src))
 				return
 			if(our_location.Adjacent(attacking_atom)) // with a buddy we deal 12 damage :D
 				our_location.do_attack_animation(attacking_atom, used_item = src)

code/game/objects/items/weapons/melee/energy_melee_weapons.dm

@@ -240,7 +240,7 @@
 	. = ..()
 	if(!.) // they did not block the attack
 		return
-	if(istype(hitby, /obj/item/projectile))
+	if(isprojectile(hitby))
 		var/obj/item/projectile/P = hitby
 		if(P.reflectability == REFLECTABILITY_NEVER) //only 1 magic spell does this, but hey, needed
 			owner.visible_message("<span class='danger'>[owner] blocks [attack_text] with [src]!</span>")

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

@@ -86,7 +86,7 @@
 	return
 
 /obj/item/shield/energy/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
-	if(istype(hitby, /obj/item/projectile))
+	if(isprojectile(hitby))
 		var/obj/item/projectile/P = hitby
 		if(P.shield_buster && active)
 			toggle(owner, TRUE)

code/game/objects/items/weapons/storage/briefcase.dm

@@ -43,7 +43,7 @@
 
 /obj/item/storage/briefcase/false_bottomed/afterattack(atom/A, mob/user, flag, params)
 	..()
-	if(stored_item && istype(stored_item, /obj/item/gun) && !Adjacent(A))
+	if(stored_item && isgun(stored_item) && !Adjacent(A))
 		var/obj/item/gun/stored_gun = stored_item
 		stored_gun.afterattack(A, user, flag, params)