deconstructable-TEG (#38656)

Make TEG deconstructable.

code/modules/power/generator.dm

@@ -8,10 +8,6 @@
 	var/obj/machinery/atmospherics/components/binary/circulator/cold_circ
 	var/obj/machinery/atmospherics/components/binary/circulator/hot_circ
 
-	//note: these currently only support EAST and WEST
-	var/cold_dir = WEST
-	var/hot_dir = EAST
-
 	var/lastgen = 0
 	var/lastgenlev = -1
 	var/lastcirc = "00"
@@ -19,34 +15,18 @@
 
 /obj/machinery/power/generator/Initialize(mapload)
 	. = ..()
-	var/obj/machinery/atmospherics/components/binary/circulator/circpath = /obj/machinery/atmospherics/components/binary/circulator
-	cold_circ = locate(circpath) in get_step(src, cold_dir)
-	hot_circ = locate(circpath) in get_step(src, hot_dir)
+	find_circs()
 	connect_to_network()
 	SSair.atmos_machinery += src
-
-	if(cold_circ)
-		switch(cold_dir)
-			if(EAST)
-				cold_circ.side = circpath.CIRC_RIGHT
-			if(WEST)
-				cold_circ.side = circpath.CIRC_LEFT
-		cold_circ.update_icon()
-
-	if(hot_circ)
-		switch(hot_dir)
-			if(EAST)
-				hot_circ.side = circpath.CIRC_RIGHT
-			if(WEST)
-				hot_circ.side = circpath.CIRC_LEFT
-		hot_circ.update_icon()
-
-	if(!cold_circ || !hot_circ)
-		stat |= BROKEN
-
 	update_icon()
+	component_parts = list(new /obj/item/circuitboard/machine/generator)
+
+/obj/machinery/power/generator/ComponentInitialize()
+	. = ..()
+	AddComponent(/datum/component/simple_rotation,ROTATION_ALTCLICK | ROTATION_CLOCKWISE | ROTATION_COUNTERCLOCKWISE | ROTATION_VERBS )
 
 /obj/machinery/power/generator/Destroy()
+	kill_circs()
 	SSair.atmos_machinery -= src
 	return ..()
 
@@ -61,7 +41,8 @@
 		if(L != 0)
 			add_overlay(image('icons/obj/power.dmi', "teg-op[L]"))
 
-		add_overlay("teg-oc[lastcirc]")
+		if(hot_circ && cold_circ)
+			add_overlay("teg-oc[lastcirc]")
 
 
 #define GENRATE 800		// generator output coefficient from Q
@@ -122,7 +103,7 @@
 	lastgen -= power_output
 	..()
 
-/obj/machinery/power/generator/proc/get_menu(include_link = 1)
+/obj/machinery/power/generator/proc/get_menu(include_link = TRUE)
 	var/t = ""
 	if(!powernet)
 		t += "<span class='bad'>Unable to connect to the power network!</span>"
@@ -147,8 +128,12 @@
 		t += "Pressure Inlet: [round(hot_circ_air2.return_pressure(), 0.1)] kPa / Outlet: [round(hot_circ_air1.return_pressure(), 0.1)] kPa<BR>"
 
 		t += "</div>"
+	else if(!hot_circ && cold_circ)
+		t += "<span class='bad'>Unable to locate hot circulator!</span>"
+	else if(hot_circ && !cold_circ)
+		t += "<span class='bad'>Unable to locate cold circulator!</span>"
 	else
-		t += "<span class='bad'>Unable to locate all parts!</span>"
+		t += "<span class='bad'>Unable to locate any parts!</span>"
 	if(include_link)
 		t += "<BR><A href='?src=[REF(src)];close=1'>Close</A>"
 
@@ -167,10 +152,81 @@
 	if( href_list["close"] )
 		usr << browse(null, "window=teg")
 		usr.unset_machine()
-		return 0
-	return 1
+		return FALSE
+	return TRUE
 
 
 /obj/machinery/power/generator/power_change()
 	..()
 	update_icon()
+
+/obj/machinery/power/generator/proc/find_circs()
+	kill_circs()
+	var/list/circs = list()
+	var/obj/machinery/atmospherics/components/binary/circulator/C
+	var/circpath = /obj/machinery/atmospherics/components/binary/circulator
+	if(dir == NORTH || dir == SOUTH)
+		C = locate(circpath) in get_step(src, EAST)
+		if(C && C.dir == WEST)
+			circs += C
+
+		C = locate(circpath) in get_step(src, WEST)
+		if(C && C.dir == EAST)
+			circs += C
+
+	else
+		C = locate(circpath) in get_step(src, NORTH)
+		if(C && C.dir == SOUTH)
+			circs += C
+
+		C = locate(circpath) in get_step(src, SOUTH)
+		if(C && C.dir == NORTH)
+			circs += C
+
+	if(circs.len)
+		for(C in circs)
+			if(C.mode == CIRCULATOR_COLD && !cold_circ)
+				cold_circ = C
+				C.generator = src
+			else if(C.mode == CIRCULATOR_HOT && !hot_circ)
+				hot_circ = C
+				C.generator = src
+
+/obj/machinery/power/generator/wrench_act(mob/living/user, obj/item/I)
+	if(!panel_open)
+		return
+	anchored = !anchored
+	I.play_tool_sound(src)
+	if(!anchored)
+		kill_circs()
+	connect_to_network()
+	to_chat(user, "<span class='notice'>You [anchored?"secure":"unsecure"] [src].</span>")
+	return TRUE
+
+/obj/machinery/power/generator/multitool_act(mob/living/user, obj/item/I)
+	if(!anchored)
+		return
+	find_circs()
+	to_chat(user, "<span class='notice'>You update [src]'s circulator links.</span>")
+	return TRUE
+
+/obj/machinery/power/generator/screwdriver_act(mob/user, obj/item/I)
+	panel_open = !panel_open
+	I.play_tool_sound(src)
+	to_chat(user, "<span class='notice'>You [panel_open?"open":"close"] the panel on [src].</span>")
+	return TRUE
+
+/obj/machinery/power/generator/crowbar_act(mob/user, obj/item/I)
+	default_deconstruction_crowbar(I)
+	return TRUE
+
+/obj/machinery/power/generator/on_deconstruction()
+	kill_circs()
+
+/obj/machinery/power/generator/proc/kill_circs()
+	if(hot_circ)
+		hot_circ.generator = null
+		hot_circ = null
+	if(cold_circ)
+		cold_circ.generator = null
+		cold_circ = null