convert to machinery type

code/game/machinery/poweredfans/fan_assembly.dm

@@ -1,27 +1,36 @@
-/obj/structure/fan_assembly
+/obj/machinery/fan_assembly
 	name = "fan assembly"
 	desc = "A basic microfan assembly."
 	icon = 'icons/obj/poweredfans.dmi'
 	icon_state = "mfan_assembly"
 	max_integrity = 150
+	use_power = NO_POWER_USE
+	power_channel = ENVIRON
+	idle_power_usage = 0
+	active_power_usage = 0
+	max_integrity = 150
+	layer = ABOVE_NORMAL_TURF_LAYER
+	anchored = FALSE
+	density = FALSE
+	CanAtmosPass = ATMOS_PASS_NO
 	var/state = 1
 	var/buildstacktype = /obj/item/stack/sheet/plasteel
 	var/buildstackamount = 5
 	/*
 			1 = Wrenched in place
 			2 = Welded in place
-			3 = Wires attached to it
+			3 = Wires attached to it, this makes it change to the full thing.
 	*/
 
-/obj/structure/fan_assembly/Initialize(mapload, ndir, building)
+/obj/machinery/fan_assembly/Initialize(mapload, ndir, building)
 	. = ..()
 	if(building)
 		setDir(ndir)
 
-/obj/structure/fan_assembly/Destroy()
+/obj/machinery/fan_assembly/Destroy()
 	return ..()
 
-/obj/structure/fan_assembly/attackby(obj/item/W, mob/living/user, params)
+/obj/machinery/fan_assembly/attackby(obj/item/W, mob/living/user, params)
 	switch(state)
 		if(1)
 			// State 1
@@ -55,18 +64,7 @@
 				return
 	return ..()
 
-/obj/structure/fan_assembly/wirecutter_act(mob/user, obj/item/I)
-	if(state != 3)
-		return FALSE
-
-	new /obj/item/stack/cable_coil(drop_location(), 2)
-	I.play_tool_sound(src)
-	to_chat(user, "<span class='notice'>You cut the wires from the circuits.</span>")
-	state = 2
-	update_icon()
-	return TRUE
-
-/obj/structure/fan_assembly/wrench_act(mob/user, obj/item/I)
+/obj/machinery/fan_assembly/wrench_act(mob/user, obj/item/I)
 	if(state != 1)
 		return FALSE
 	user.visible_message("<span class='warning'>[user] disassembles [src].</span>",
@@ -75,7 +73,7 @@
 		deconstruct()
 	return TRUE
 
-/obj/structure/fan_assembly/proc/weld(obj/item/weldingtool/W, mob/living/user)
+/obj/machinery/fan_assembly/proc/weld(obj/item/weldingtool/W, mob/living/user)
 	if(!W.tool_start_check(user, amount=0))
 		return FALSE
 	switch(state)
@@ -87,16 +85,16 @@
 		return TRUE
 	return FALSE
 
-/obj/structure/fan_assembly/deconstruct(disassembled = TRUE)
+/obj/machinery/fan_assembly/deconstruct(disassembled = TRUE)
 	if(!(flags_1 & NODECONSTRUCT_1))
 		new buildstacktype(loc,buildstackamount)
 	qdel(src)
 
-/obj/structure/fan_assembly/examine(mob/user)
+/obj/machinery/fan_assembly/examine(mob/user)
 	..()
 	deconstruction_hints(user)
 
-/obj/structure/fan_assembly/proc/deconstruction_hints(mob/user)
+/obj/machinery/fan_assembly/proc/deconstruction_hints(mob/user)
 	switch(state)
 		if(1)
 			to_chat(user, "<span class='notice'>The fan assembly seems to be <b>unwelded</b> and loose.</span>")
@@ -105,7 +103,7 @@
 		if(3)
 			to_chat(user, "<span class='notice'>The outer plating is <b>wired</b> firmly in place.</span>")
 
-/obj/structure/fan_assembly/update_icon()
+/obj/machinery/fan_assembly/update_icon()
 	switch(state)
 		if(1)
 			icon_state = "mfan_assembly"

code/game/machinery/poweredfans/poweredfans.dm

@@ -4,13 +4,15 @@
 	name = "micro powered fan"
 	desc = "A handmade fan, releasing a thin gust of air."
 	use_power = ACTIVE_POWER_USE
+	power_channel = ENVIRON
 	idle_power_usage = 5
 	active_power_usage = 10
+	max_integrity = 150
 	layer = ABOVE_NORMAL_TURF_LAYER
 	anchored = TRUE
 	density = FALSE
 	CanAtmosPass = ATMOS_PASS_NO
-	var/obj/structure/fan_assembly/assembly = null
+	var/obj/machinery/fan_assembly/assembly = null
 
 /obj/machinery/poweredfans/deconstruct(disassembled = TRUE)
 	if(!(flags_1 & NODECONSTRUCT_1))
@@ -34,7 +36,7 @@
 		deconstruct()
 	return TRUE
 
-/obj/machinery/poweredfans/Initialize(mapload, obj/structure/fan_assembly/FA)
+/obj/machinery/poweredfans/Initialize(mapload, obj/machinery/fan_assembly/FA)
 	. = ..()
 	if(FA)
 		assembly = FA

code/game/objects/items/stacks/sheets/sheet_types.dm

@@ -179,7 +179,7 @@ GLOBAL_LIST_INIT(metal_recipes, list ( \
 GLOBAL_LIST_INIT(plasteel_recipes, list ( \
 	new/datum/stack_recipe("AI core", /obj/structure/AIcore, 4, time = 50, one_per_turf = TRUE), \
 	new/datum/stack_recipe("bomb assembly", /obj/machinery/syndicatebomb/empty, 10, time = 50), \
-	new/datum/stack_recipe("micro powered fan assembly", /obj/structure/fan_assembly, 5, time = 50, one_per_turf = TRUE, on_floor = TRUE), \
+	new/datum/stack_recipe("micro powered fan assembly", /obj/machinery/fan_assembly, 5, time = 50, one_per_turf = TRUE, on_floor = TRUE), \
 	new /datum/stack_recipe_list("crates", list( \
 		new /datum/stack_recipe("gray crate", /obj/structure/closet/crate, 5, time = 50, one_per_turf = 1, on_floor = 1), \
 		new /datum/stack_recipe("internals crate", /obj/structure/closet/crate/internals, 5, time = 50, one_per_turf = 1, on_floor = 1), \