Multitool SmartTrack (#11802)

code/game/objects/items/devices/multitool.dm

@@ -5,8 +5,8 @@
 
 /obj/item/device/multitool
 	name = "multitool"
-	desc = "Used for pulsing wires to test which to cut. Not recommended by doctors."
-	desc_info = "You can use this on airlocks or APCs to try to hack them without cutting wires."
+	desc = "This small, handheld device is made of durable, insulated plastic. It has a electrode jack, perfect for interfacing with numerous machines, as well as an in-built NT-SmartTrack! system."
+	desc_info = "You can use this on airlocks or APCs to try to hack them without cutting wires. You can also use it to wire circuits, and track APCs by using it in-hand."
 	icon = 'icons/obj/contained_items/tools/multitool.dmi'
 	icon_state = "multitool"
 	item_state = "multitool"
@@ -30,11 +30,15 @@
 	var/buffer_name
 	var/atom/buffer_object
 
+	var/tracking_apc = FALSE
+	var/mutable_appearance/apc_indicator
+
 	var/datum/integrated_io/selected_io = null
 	var/mode = 0
 
 /obj/item/device/multitool/Destroy()
 	unregister_buffer(buffer_object)
+	QDEL_NULL(apc_indicator)
 	return ..()
 
 /obj/item/device/multitool/ismultitool()
@@ -84,15 +88,50 @@
 	return 1
 
 /obj/item/device/multitool/attack_self(mob/user)
+	interact(user)
+
+/obj/item/device/multitool/interact(mob/user)
+	var/datum/vueui/ui = SSvueui.get_open_ui(user, src)
+	if(!ui)
+		ui = new(user, src, "devices-multitool", 300, 250, capitalize_first_letters(name), state = inventory_state)
+	ui.open()
+
+/obj/item/device/multitool/vueui_data_change(var/list/data, var/mob/user, var/datum/vueui/ui)
+	if(!data)
+		data = list()
+
+	VUEUI_SET_CHECK(data["tracking_apc"], tracking_apc, ., data)
+
+	VUEUI_SET_CHECK(data["has_selected_io"], !isnull(selected_io), ., data)
 	if(selected_io)
-		selected_io = null
-		to_chat(user, "<span class='notice'>You clear the wired connection from the multitool.</span>")
+		VUEUI_SET_CHECK(data["selected_io_name"], selected_io.name, ., data)
+		VUEUI_SET_CHECK(data["selected_io_type"], selected_io.io_type, ., data)
+
+/obj/item/device/multitool/Topic(href, href_list)
+	. = ..()
+	if(.)
+		return TRUE
+
+	if(href_list["track_apc"])
+		tracking_apc = !tracking_apc
+		if(tracking_apc)
+			START_PROCESSING(SSprocessing, src)
+			apc_indicator = mutable_appearance(icon, "lost")
+			add_overlay(apc_indicator)
 		else
-		..()
+			STOP_PROCESSING(SSprocessing, src)
+			QDEL_NULL(apc_indicator)
+
+	if(href_list["clear_io"])
+		selected_io = null
+
 	update_icon()
+	SSvueui.check_uis_for_change(src)
 
 /obj/item/device/multitool/update_icon()
-	if(selected_io)
+	if(tracking_apc)
+		icon_state = "multitool_clear"
+	else if(selected_io)
 		if(buffer || connecting || buffer_object)
 			icon_state = "multitool_tracking"
 		else
@@ -103,6 +142,30 @@
 		else
 			icon_state = "multitool"
 
+/obj/item/device/multitool/process()
+	if(!apc_indicator)
+		return PROCESS_KILL
+
+	var/turf/T = get_turf(src)
+	var/area/A = T.loc
+	var/obj/machinery/power/apc/APC = A.apc
+
+	if(!APC || (APC.z != T.z))
+		apc_indicator.icon_state = "lost"
+	else
+		// shamelessly stolen from technomancer
+		dir = get_dir(T, APC.loc) // overlays can't have different dirs than their atoms, but the multitool only has one dir sprite, so this works
+		switch(get_dist(T, APC.loc))
+			if(-1 to 0)
+				apc_indicator.icon_state = "direct"
+			if(1 to 8)
+				apc_indicator.icon_state = "close"
+			if(9 to 16)
+				apc_indicator.icon_state = "medium"
+			if(16 to INFINITY)
+				apc_indicator.icon_state = "far"
+	set_overlays(apc_indicator)
+
 /obj/item/device/multitool/proc/wire(datum/integrated_io/io, mob/user)
 	if(!io.holder.assembly)
 		to_chat(user, "<span class='warning'>\The [io.holder] needs to be secured inside an assembly first.</span>")
@@ -131,6 +194,7 @@
 		to_chat(user, "<span class='notice'>You link \the multitool to \the [selected_io.holder]'s [selected_io.name] data channel.</span>")
 
 	update_icon()
+	SSvueui.check_uis_for_change(src)
 
 /obj/item/device/multitool/proc/unwire(datum/integrated_io/io1, datum/integrated_io/io2, mob/user)
 	if(!io1.linked.len || !io2.linked.len)

code/modules/integrated_electronics/core/integrated_circuit.dm

@@ -207,6 +207,9 @@ a creative player the means to solve many problems.  Circuits are held inside an
 		M = held_item
 	if(!M && off_hand?.ismultitool())
 		M = off_hand
+	if(M.tracking_apc)
+		to_chat(usr, SPAN_WARNING("\The [M]'s smart tracking is enabled! Disable it to regain I/O functionality."))
+		return TRUE
 
 	if(href_list["rename"])
 		rename_component(usr)

html/changelogs/geeves-multitool_pathfinding.yml

@@ -0,0 +1,6 @@
+author: Geeves
+
+delete-after: True
+
+changes:
+  - rscadd: "Multitools now have a tracking mode that leads you to the APC within your area."

vueui/src/components/view/devices/multitool.vue

@@ -0,0 +1,26 @@
+<template>
+  <div>
+    <h3>Smart Track</h3>
+    <vui-button :disabled="has_selected_io == true" :class="{'button': 1, 'selected': tracking_apc}" :params="{track_apc: 1}">{{ has_selected_io ? "Toggle APC Smart Tracking (I/O in Buffer)" : "Toggle APC Smart Tracking" }}</vui-button> <vui-tooltip label="?">Enabling this will update the multitool's icon to point in the direction of the nearest APC <i>within your area</i>.</vui-tooltip>
+    <h3>Circuit Input/Output</h3>
+    <vui-group>
+      <vui-group-item label="I/O Name:">{{ selected_io_name }}</vui-group-item>
+      <vui-group-item label="I/O Type:">{{ selected_io_name }}</vui-group-item>
+    </vui-group>
+    <vui-button :disabled="!has_selected_io" :class="{'danger': has_selected_io}" :params="{clear_io: 1}">{{ has_selected_io ? "Clear I/O" : "No I/O in Buffer" }}</vui-button> <vui-tooltip label="?">The I/O Buffer refers to the input/output wires of integrated circuits, which can be wired up using a multitool.</vui-tooltip>
+  </div>
+</template>
+
+<script>
+export default {
+  data() {
+    return this.$root.$data.state;
+  }
+};
+</script>
+
+<style lang="scss" scoped>
+.itemContent {
+  text-transform: capitalize;
+}
+</style>