Merge pull request #5006 from Fox-McCloud/fans

Fantastic PR

_maps/map_files/cyberiad/cyberiad.dmm

@@ -2105,7 +2105,7 @@
 "aOy" = (/obj/machinery/atmospherics/pipe/simple/hidden/supply{dir = 10},/turf/simulated/floor/plasteel{icon_state = "dark"},/area/maintenance/fsmaint2)
 "aOz" = (/obj/machinery/mass_driver{dir = 4; id_tag = "chapelgun"},/obj/machinery/door/window{dir = 8; name = "Mass Driver"; req_access_txt = "22"},/turf/simulated/floor/plating{tag = "icon-warnplate (WEST)"; icon_state = "warnplate"; dir = 8},/area/maintenance/fsmaint2)
 "aOA" = (/obj/structure/sign/securearea{desc = "A warning sign which reads 'EXTERNAL AIRLOCK'"; icon_state = "space"; layer = 4; name = "EXTERNAL AIRLOCK"; pixel_x = 0; pixel_y = 32},/obj/machinery/atmospherics/unary/vent_pump,/turf/simulated/floor/plating{tag = "icon-warnplate (EAST)"; icon_state = "warnplate"; dir = 4},/area/maintenance/fsmaint2)
-"aOB" = (/obj/machinery/door/poddoor{id_tag = "chapelgun"; name = "Chapel Launcher Door"; protected = 0},/turf/simulated/floor/plating,/area/maintenance/fsmaint2)
+"aOB" = (/obj/machinery/door/poddoor{id_tag = "chapelgun"; name = "Chapel Launcher Door"; protected = 0},/obj/structure/fans/tiny,/turf/simulated/floor/plating,/area/maintenance/fsmaint2)
 "aOC" = (/obj/machinery/atmospherics/pipe/manifold/hidden/supply{dir = 8; initialize_directions = 11; level = 1},/turf/simulated/floor/plasteel{icon_state = "dark"},/area/chapel/main)
 "aOD" = (/turf/simulated/shuttle/wall{icon_state = "swall11"; dir = 2},/area/shuttle/arrival/station)
 "aOE" = (/obj/effect/landmark{name = "HONKsquad"},/obj/structure/closet/walllocker/emerglocker/north,/turf/simulated/shuttle/floor,/area/shuttle/arrival/station)
@@ -4243,7 +4243,7 @@
 "bDE" = (/obj/effect/spawner/window/reinforced,/obj/structure/sign/securearea{desc = "A warning sign which reads 'EXTERNAL AIRLOCK'"; icon_state = "space"; layer = 4; name = "EXTERNAL AIRLOCK"; pixel_x = 0; pixel_y = 0},/obj/machinery/door/firedoor{dir = 2},/turf/simulated/floor/plating,/area/hallway/secondary/entry)
 "bDF" = (/obj/structure/grille,/obj/structure/window/reinforced{dir = 8},/obj/structure/window/reinforced,/obj/structure/window/reinforced{dir = 1},/obj/machinery/door/firedoor{dir = 2},/turf/simulated/floor/plating,/area/hallway/secondary/entry)
 "bDG" = (/obj/structure/grille,/obj/structure/window/reinforced{dir = 1},/obj/structure/window/reinforced,/obj/structure/window/reinforced{dir = 4},/obj/machinery/door/firedoor{dir = 2},/turf/simulated/floor/plating,/area/hallway/secondary/entry)
-"bDH" = (/obj/machinery/door/poddoor{id_tag = "trash"; name = "disposal bay door"; protected = 0},/turf/simulated/floor/plating/airless,/area/maintenance/disposal)
+"bDH" = (/obj/machinery/door/poddoor{id_tag = "trash"; name = "disposal bay door"; protected = 0},/obj/structure/fans/tiny,/turf/simulated/floor/plating,/area/maintenance/disposal)
 "bDI" = (/obj/machinery/light{icon_state = "tube1"; dir = 8},/turf/simulated/floor/plasteel{dir = 8; icon_state = "warning"},/area/quartermaster/storage)
 "bDJ" = (/obj/structure/cable{d1 = 1; d2 = 4; icon_state = "1-4"},/obj/machinery/atmospherics/pipe/simple/hidden/supply{dir = 5},/obj/machinery/atmospherics/pipe/manifold/hidden/scrubbers{dir = 8; initialize_directions = 11; level = 1},/turf/simulated/floor/plasteel,/area/quartermaster/storage)
 "bDK" = (/obj/structure/cable{d1 = 4; d2 = 8; icon_state = "4-8"},/obj/machinery/atmospherics/pipe/simple/hidden/supply{dir = 4},/obj/machinery/atmospherics/pipe/simple/hidden/scrubbers{dir = 4},/turf/simulated/floor/plasteel,/area/quartermaster/storage)
@@ -5847,7 +5847,7 @@
 "ciw" = (/obj/machinery/mass_driver{dir = 4; id_tag = "toxinsdriver"},/turf/simulated/floor/plating,/area/toxins/mixing)
 "cix" = (/turf/simulated/floor/plating,/area/toxins/mixing)
 "ciy" = (/obj/machinery/light,/turf/simulated/floor/plating,/area/toxins/mixing)
-"ciz" = (/obj/machinery/door/poddoor{id_tag = "toxinsdriver"; name = "Toxins Launcher Bay Door"; protected = 0},/turf/simulated/floor/plating,/area/toxins/mixing)
+"ciz" = (/obj/machinery/door/poddoor{id_tag = "toxinsdriver"; name = "Toxins Launcher Bay Door"; protected = 0},/obj/structure/fans/tiny,/turf/simulated/floor/plating,/area/toxins/mixing)
 "ciA" = (/obj/machinery/door/poddoor{id_tag = "toxinsdriver"; name = "Toxins Launcher Bay Door"; protected = 0},/turf/simulated/floor/plating/airless,/area/toxins/test_area)
 "ciB" = (/obj/item/device/radio/beacon,/obj/effect/decal/warning_stripes/red/hollow,/turf/simulated/floor/plasteel/airless,/area/toxins/test_area)
 "ciC" = (/turf/simulated/shuttle/wall{dir = 4; icon_state = "wall3"},/area/toxins/test_area)

code/modules/mining/mine_items.dm

@@ -249,4 +249,50 @@
 	if(colorindex >= 6)
 		colorindex = 0
 	icon_state = "mobcap[colorindex]"
-	update_icon()
+	update_icon()
+
+//Fans
+/obj/structure/fans
+	icon = 'icons/obj/lavaland/survival_pod.dmi'
+	icon_state = "fans"
+	name = "environmental regulation system"
+	desc = "A large machine releasing a constant gust of air."
+	anchored = 1
+	density = 1
+	var/arbitraryatmosblockingvar = 1
+	var/buildstacktype = /obj/item/stack/sheet/metal
+	var/buildstackamount = 5
+
+/obj/structure/fans/proc/deconstruct()
+	if(buildstacktype)
+		new buildstacktype(loc, buildstackamount)
+	qdel(src)
+
+/obj/structure/fans/attackby(obj/item/weapon/W, mob/user, params)
+	if(istype(W, /obj/item/weapon/wrench))
+		playsound(loc, 'sound/items/Ratchet.ogg', 50, 1)
+		user.visible_message("<span class='warning'>[user] disassembles the fan.</span>", \
+							 "<span class='notice'>You start to disassemble the fan...</span>", "You hear clanking and banging noises.")
+		if(do_after(user, 20, target = src))
+			deconstruct()
+			return ..()
+
+/obj/structure/fans/tiny
+	name = "tiny fan"
+	desc = "A tiny fan, releasing a thin gust of air."
+	layer = TURF_LAYER+0.1
+	density = 0
+	icon_state = "fan_tiny"
+	buildstackamount = 2
+
+/obj/structure/fans/New(loc)
+	..()
+	air_update_turf(1)
+
+/obj/structure/fans/Destroy()
+	arbitraryatmosblockingvar = 0
+	air_update_turf(1)
+	return ..()
+
+/obj/structure/fans/CanAtmosPass(turf/T)
+	return !arbitraryatmosblockingvar