revives gear_packs by bjarl because theyre just better

code/datums/action.dm

@@ -253,8 +253,8 @@
 /datum/action/item_action/toggle_mister
 	name = "Toggle Mister"
 
-/datum/action/item_action/toggle_grinder
-	name = "Toggle Grinder"
+/datum/action/item_action/toggle_attachment
+	name = "Toggle Attachment"
 
 /datum/action/item_action/activate_injector
 	name = "Activate Injector"

code/game/machinery/constructable_frame.dm

@@ -22,6 +22,9 @@
 	qdel(src)
 
 /obj/structure/frame/deconstruct_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	if(I.use_tool(src, user, 3 SECONDS, volume=0))
 		to_chat(user, "<span class='warning'>You cut apart \the [src].</span>", "<span class='notice'>You cut apart \the [src].</span>")
 		deconstruct()

code/game/machinery/deployable.dm

@@ -80,11 +80,11 @@
 	return ..()
 
 /obj/structure/barricade/wooden/deconstruct_act(mob/living/user, obj/item/I)
-	if(I.use_tool(src, user, 3 SECONDS, volume=0))
-		deconstruct()
 	. = ..()
-	if (I.use_tool(src, user, 1 SECONDS, volume=0))
-		to_chat(user, "<span class='warning'>You cut apart the railing.</span>")
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
+	if (I.use_tool(src, user, 2 SECONDS, volume=0))
+		to_chat(user, "<span class='warning'>You cut apart [src].</span>")
 		deconstruct()
 		return TRUE
 

code/game/machinery/doors/airlock.dm

@@ -1244,6 +1244,9 @@
 		INVOKE_ASYNC(src, (density ? PROC_REF(open) : PROC_REF(close)), 2)
 
 /obj/machinery/door/airlock/deconstruct_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	var/decon_time = 5 SECONDS
 	if(welded)
 		decon_time += 5 SECONDS

code/game/objects/items/gear_packs.dm

@@ -0,0 +1,285 @@
+/obj/item/gear_pack
+	name = "gear pack"
+	desc = "A large backpack that usually holds things"
+	icon = 'icons/obj/hydroponics/equipment.dmi'
+	icon_state = "waterbackpack"
+	item_state = "waterbackpack"
+	lefthand_file = 'icons/mob/inhands/equipment/backpack_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/equipment/backpack_righthand.dmi'
+	w_class = WEIGHT_CLASS_HUGE
+	slot_flags = ITEM_SLOT_BACK
+	item_flags = SLOWS_WHILE_IN_HAND
+	max_integrity = 300
+	slowdown = 1
+	drag_slowdown = 1
+	actions_types = list(/datum/action/item_action/toggle_attachment)
+	max_integrity = 200
+	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 100, "acid" = 30)
+	resistance_flags = FIRE_PROOF
+	var/on = FALSE
+	var/obj/item/stock_parts/cell/cell
+	var/preload_cell_type = /obj/item/stock_parts/cell/high
+	var/powered = FALSE
+	var/activate_sound = "sparks"
+	var/obj/item/attachment/attachment_type = /obj/item/attachment
+	var/obj/item/attachment/attachment
+
+/obj/item/gear_pack/get_cell()
+	return cell
+
+/obj/item/gear_pack/Initialize()
+	. = ..()
+	drag_slowdown = slowdown
+	attachment = new attachment_type(src)
+	cell = new(src)
+	update_power()
+	return
+
+/obj/item/gear_pack/examine(mob/user)
+	. = ..()
+	. += "<span class='notice'>It is [ on ? "currently" : "not"] active.</span>"
+	if(cell)
+		. += "<span class = 'notice'>A small readout reports [PERCENT(cell.charge / cell.maxcharge)]% charge."
+
+/obj/item/gear_pack/fire_act(exposed_temperature, exposed_volume)
+	. = ..()
+	if(attachment?.loc == src)
+		attachment.fire_act(exposed_temperature, exposed_volume)
+
+/obj/item/gear_pack/extinguish()
+	. = ..()
+	if(attachment?.loc == src)
+		attachment.extinguish()
+
+/obj/item/gear_pack/proc/update_power()
+	if(!QDELETED(cell))
+		if(QDELETED(attachment) || cell.charge < attachment.usecost)
+			powered = FALSE
+		else
+			powered = TRUE
+	else
+		powered = FALSE
+	update_icon()
+
+/obj/item/gear_pack/update_overlays()
+	. = ..()
+
+	if(powered)
+		. += "[initial(icon_state)]-powered"
+		if(!QDELETED(cell))
+			var/ratio = cell.charge / cell.maxcharge
+			ratio = CEILING(ratio*4, 1) * 25
+			. += "[initial(icon_state)]-charge[ratio]"
+	if(!cell)
+		. += "[initial(icon_state)]-nocell"
+	if(!on)
+		. += "[initial(icon_state)]-attachment"
+
+/obj/item/gear_pack/CheckParts(list/parts_list)
+	..()
+	cell = locate(/obj/item/stock_parts/cell) in contents
+	update_power()
+
+/obj/item/gear_pack/ui_action_click()
+	toggle_attachment()
+
+//ATTACK HAND IGNORING PARENT RETURN VALUE
+/obj/item/gear_pack/attack_hand(mob/user)
+	if(loc == user)
+		if(slot_flags == ITEM_SLOT_BACK)
+			if(user.get_item_by_slot(ITEM_SLOT_BACK) == src)
+				ui_action_click()
+			else
+				to_chat(user, "<span class='warning'>Put the [src] on your back first!</span>")
+
+		else if(slot_flags == ITEM_SLOT_BELT)
+			if(user.get_item_by_slot(ITEM_SLOT_BELT) == src)
+				ui_action_click()
+			else
+				to_chat(user, "<span class='warning'>Strap the [src]'s belt on first!</span>")
+		return
+	return ..()
+
+/obj/item/gear_pack/MouseDrop(obj/over_object)
+	. = ..()
+	if(ismob(loc))
+		var/mob/M = loc
+		if(!M.incapacitated() && istype(over_object, /atom/movable/screen/inventory/hand))
+			var/atom/movable/screen/inventory/hand/H = over_object
+			M.putItemFromInventoryInHandIfPossible(src, H.held_index)
+
+/obj/item/gear_pack/attackby(obj/item/W, mob/user, params)
+	if(W == attachment)
+		toggle_attachment()
+	else if(istype(W, /obj/item/stock_parts/cell))
+		var/obj/item/stock_parts/cell/C = W
+		if(cell)
+			to_chat(user, "<span class='warning'>[src] already has a cell!</span>")
+		else
+			if(C.maxcharge < attachment.usecost)
+				to_chat(user, "<span class='notice'>[src] requires a higher capacity cell.</span>")
+				return
+			if(!user.transferItemToLoc(W, src))
+				return
+			cell = W
+			to_chat(user, "<span class='notice'>You install a cell in [src].</span>")
+			update_power()
+
+	else if(W.tool_behaviour == TOOL_SCREWDRIVER)
+		if(cell)
+			cell.update_icon()
+			cell.forceMove(get_turf(src))
+			cell = null
+			to_chat(user, "<span class='notice'>You remove the cell from [src].</span>")
+			update_power()
+	else
+		return ..()
+
+/obj/item/gear_pack/emp_act(severity)
+	. = ..()
+	if(cell && !(. & EMP_PROTECT_CONTENTS))
+		deductcharge(1000 / severity)
+	if(. & EMP_PROTECT_SELF)
+		return
+	update_power()
+
+/obj/item/gear_pack/proc/toggle_attachment()
+	set name = "Toggle Attachment"
+	set category = "Object"
+	on = !on
+
+	var/mob/living/carbon/user = usr
+	if(on)
+		//Detach the attachment into the user's hands
+		playsound(src, 'sound/items/handling/multitool_pickup.ogg', 100)
+		if(!usr.put_in_hands(attachment))
+			on = FALSE
+			to_chat(user, "<span class='warning'>You need a free hand to hold the [attachment]!</span>")
+			update_power()
+			return
+	else
+		//Remove from their hands and back onto the gear pack
+		remove_attachment(user)
+
+	update_power()
+	for(var/X in actions)
+		var/datum/action/A = X
+		A.UpdateButtonIcon()
+
+
+/obj/item/gear_pack/equipped(mob/user, slot)
+	..()
+	if((slot_flags == ITEM_SLOT_BACK && slot != ITEM_SLOT_BACK) || (slot_flags == ITEM_SLOT_BELT && slot != ITEM_SLOT_BELT))
+		remove_attachment(user)
+		update_power()
+
+/obj/item/gear_pack/item_action_slot_check(slot, mob/user)
+	if(slot == user.getBackSlot())
+		return 1
+
+/obj/item/gear_pack/proc/remove_attachment(mob/user)
+	if(ismob(attachment.loc))
+		var/mob/M = attachment.loc
+		M.dropItemToGround(attachment, TRUE)
+	return
+
+/obj/item/gear_pack/Destroy()
+	if(on)
+		var/M = get(attachment, /mob)
+		remove_attachment(M)
+	QDEL_NULL(attachment)
+	QDEL_NULL(cell)
+	return ..()
+
+/obj/item/gear_pack/proc/deductcharge(chrgdeductamt)
+	if(cell)
+		if(cell.charge < (attachment.usecost+chrgdeductamt))
+			powered = FALSE
+			update_power()
+		if(cell.use(chrgdeductamt))
+			update_power()
+			return TRUE
+		else
+			return FALSE
+
+/obj/item/attachment
+
+	name = "attachment"
+	desc = "The Attachment."
+	icon = 'icons/obj/hydroponics/equipment.dmi'
+	icon_state = "mister"
+	item_state = "mister"
+	lefthand_file = 'icons/mob/inhands/equipment/mister_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/equipment/mister_righthand.dmi'
+
+	force = 0
+	throwforce = 6
+	w_class = WEIGHT_CLASS_BULKY
+	resistance_flags = INDESTRUCTIBLE
+	base_icon_state = "mister"
+
+	var/req_pack = TRUE
+	var/usecost = 1000
+	var/obj/item/gear_pack/pack
+
+/obj/item/attachment/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NO_STORAGE_INSERT, GENERIC_ITEM_TRAIT)
+	if (!loc || !istype(loc, /obj/item/gear_pack))
+		return INITIALIZE_HINT_QDEL
+	if(!req_pack)
+		return
+	pack = loc
+	update_icon()
+
+/obj/item/attachment/Destroy()
+	pack = null
+	return ..()
+
+/obj/item/attachment/equipped(mob/user, slot)
+	. = ..()
+	if(!req_pack)
+		return
+	RegisterSignal(user, COMSIG_MOVABLE_MOVED, PROC_REF(check_range))
+
+/obj/item/attachment/Moved()
+	. = ..()
+	check_range()
+
+
+/obj/item/attachment/fire_act(exposed_temperature, exposed_volume)
+	. = ..()
+	if((req_pack && pack) && loc != pack)
+		pack.fire_act(exposed_temperature, exposed_volume)
+
+/obj/item/attachment/proc/check_range()
+	SIGNAL_HANDLER
+
+	if(!req_pack ||!pack)
+		return
+	if(!in_range(src,pack))
+		var/mob/living/L = loc
+		if(istype(L))
+			to_chat(L, "<span class='warning'>[pack]'s [src] overextends and comes out of your hands!</span>")
+		else
+			visible_message("<span class='notice'>[src] snaps back into [pack].</span>")
+		snap_back()
+
+/obj/item/attachment/dropped(mob/user)
+	. = ..()
+	if(!req_pack)
+		return ..()
+	if(user)
+		UnregisterSignal(user, COMSIG_MOVABLE_MOVED)
+		if(user != loc)
+			to_chat(user, "<span class='notice'>[src] snap back into the main unit.</span>")
+			snap_back()
+	return
+
+/obj/item/attachment/proc/snap_back()
+	if(!pack)
+		return
+	playsound()
+	pack.on = FALSE
+	forceMove(pack)
+	pack.update_power()

code/game/objects/structures/door_assembly.dm

@@ -334,6 +334,9 @@
 	qdel(src)
 
 /obj/structure/door_assembly/deconstruct_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	if (I.use_tool(src, user, 3 SECONDS, volume=100))
 		to_chat(user, "<span class='warning'>You slice [src] apart.</span>")
 		deconstruct(FALSE)

code/game/objects/structures/girders.dm

@@ -222,6 +222,9 @@
 		return ..()
 
 /obj/structure/girder/deconstruct_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	if(I.use_tool(src, user, 3 SECONDS, volume=0))
 		to_chat(user, "<span class='warning'>You cut apart \the [src].</span>", "<span class='notice'>You cut apart \the [src].</span>")
 		deconstruct()

code/game/objects/structures/grille.dm

@@ -228,6 +228,9 @@
 	..()
 
 /obj/structure/grille/deconstruct_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	if (I.use_tool(src, user, 1 SECONDS, volume=100))
 		to_chat(user, "<span class='warning'>You slice [src] apart.</span>")
 		deconstruct(FALSE)

code/game/objects/structures/lattice.dm

@@ -43,7 +43,10 @@
 		var/turf/T = get_turf(src)
 		return T.attackby(C, user) //hand this off to the turf instead (for building plating, catwalks, etc)
 
-/obj/structure/frame/deconstruct_act(mob/living/user, obj/item/I)
+/obj/structure/lattice/deconstruct_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	if(I.use_tool(src, user, 1 SECONDS, volume=0))
 		to_chat(user, "<span class='warning'>You cut apart \the [src].</span>", "<span class='notice'>You cut apart \the [src].</span>")
 		deconstruct()

code/game/objects/structures/railings.dm

@@ -66,6 +66,9 @@
 		return TRUE
 
 /obj/structure/railing/deconstruct_act(mob/living/user, obj/item/I)
+	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	if (I.use_tool(src, user, 3 SECONDS, volume=0))
 		to_chat(user, "<span class='warning'>You cut apart the railing.</span>")
 		deconstruct()

code/game/objects/structures/tables_racks.dm

@@ -229,6 +229,8 @@
 
 /obj/structure/table/deconstruct_act(mob/living/user, obj/item/I)
 	. = ..()
+	if(!I.tool_start_check(user, amount=0))
+		return FALSE
 	if (I.use_tool(src, user, 1 SECONDS, volume=0))
 		to_chat(user, "<span class='warning'>You cut [src] into sheets.</span>")
 		deconstruct(wrench_disassembly = TRUE)