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https://github.com/Aurorastation/Aurora.3.git
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BatrachophrenoandGitHub
4ecb0bc21c
Repaths obj/machinery to obj/structure/machinery. **Note for reviewers:** the only meaningful changed code exists within **code/game/objects/structures.dm** and **code/game/objects/structures/_machinery.dm**, largely concerning damage procs. With the exception of moving airlock defines to their own file, ALL OTHER CHANGES ARE STRICTLY PATH CHANGES. Objects, _categorically_, are largely divided between those you can hold in your hand/inventory and those you can't. Machinery objects are already subtypes of Structures behaviorally, this PR just makes their pathing reflect that, and allows for future work (tool actions, more health/destruction functionality) to be developed without unnecessary code duplication. I have tested this PR by loading up the Horizon and dismantling various machines and structures with tools, shooting guns of various types throughout the ship, and detonating a bunch of explosions throughout the ship.
161 lines
4.4 KiB
Plaintext
161 lines
4.4 KiB
Plaintext
#define OVERLAY_CACHE_LEN 50
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/obj/item/t_scanner
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name = "\improper T-ray scanner"
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desc = "A terahertz-ray emitter and scanner used to detect underfloor objects such as cables and pipes."
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icon = 'icons/obj/item/scanner.dmi'
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icon_state = "t-ray0"
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item_state = "t-ray"
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contained_sprite = TRUE
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slot_flags = SLOT_BELT
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w_class = WEIGHT_CLASS_SMALL
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matter = list(MATERIAL_PLASTIC = 100, MATERIAL_ALUMINIUM = 50)
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origin_tech = list(TECH_MAGNET = 1, TECH_ENGINEERING = 1)
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action_button_name = "Toggle T-Ray scanner"
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var/scan_range = 3
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var/on = 0
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/// Assoc list of objects being scanned, mapped to their overlay.
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var/list/active_scanned = list()
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/// Since making sure overlays are properly added and removed is pretty important, so we track the current user explicitly.
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var/client/user_client
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/// Cache recent overlays.
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var/global/list/overlay_cache = list()
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/obj/item/t_scanner/Destroy()
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if(on)
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set_active(FALSE)
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return ..()
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/obj/item/t_scanner/update_icon()
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icon_state = "t-ray[on]"
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/obj/item/t_scanner/emp_act(severity)
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. = ..()
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audible_message(src, SPAN_NOTICE("\The [src] buzzes oddly."))
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set_active(FALSE)
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/obj/item/t_scanner/attack_self(mob/user)
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set_active(!on)
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user.update_action_buttons()
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/obj/item/t_scanner/afterattack(atom/target, mob/user, proximity_flag, click_parameters)
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var/obj/structure/disposalpipe/D = target
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if(istype(D))
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to_chat(user, SPAN_INFO("Pipe segment integrity: [(D.health / 10) * 100]%"))
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/obj/item/t_scanner/proc/set_active(var/active)
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on = active
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if(on)
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START_PROCESSING(SSprocessing, src)
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else
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STOP_PROCESSING(SSprocessing, src)
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set_user_client(null)
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update_icon()
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/// If reset is set, then assume the client has none of our overlays, otherwise we only send new overlays.
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/obj/item/t_scanner/process()
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if(!on)
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return
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//handle clients changing
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var/client/loc_client = null
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if(ismob(loc))
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var/mob/M = loc
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loc_client = M.client
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set_user_client(loc_client)
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//no sense processing if no-one is going to see it.
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if(!user_client)
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return
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//get all objects in scan range
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var/list/scanned = get_scanned_objects(scan_range)
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var/list/update_add = scanned - active_scanned
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var/list/update_remove = active_scanned - scanned
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//Add new overlays
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for(var/thing in update_add)
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var/obj/O = thing
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var/image/overlay = get_overlay(O)
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active_scanned[O] = overlay
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user_client.images += overlay
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//Remove stale overlays
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for(var/thing in update_remove)
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var/obj/O = thing
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user_client.images -= active_scanned[O]
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active_scanned -= O
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/// Creates a new overlay for a scanned object
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/obj/item/t_scanner/proc/get_overlay(obj/scanned)
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//Use a cache so we don't create a whole bunch of new images just because someone's walking back and forth in a room.
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//Also means that images are reused if multiple people are using t-rays to look at the same objects.
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if(scanned in overlay_cache)
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. = overlay_cache[scanned]
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else
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var/image/I = image(scanned.icon, scanned.loc, scanned.icon_state, UNDER_HUD_LAYER, scanned.dir)
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I.plane = HUD_PLANE
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//Pipes are special
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if(istype(scanned, /obj/structure/machinery/atmospherics/pipe))
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var/obj/structure/machinery/atmospherics/pipe/P = scanned
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I.color = P.pipe_color
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I.overlays += P.overlays
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I.underlays += P.underlays
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else if(istype(scanned, /obj/structure/cable))
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var/obj/structure/cable/C = scanned
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I.color = C.color
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I.alpha = 100
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I.mouse_opacity = MOUSE_OPACITY_TRANSPARENT
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. = I
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// Add it to cache, cutting old entries if the list is too long
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overlay_cache[scanned] = .
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if(overlay_cache.len > OVERLAY_CACHE_LEN)
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overlay_cache.Cut(1, overlay_cache.len-OVERLAY_CACHE_LEN-1)
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/obj/item/t_scanner/proc/get_scanned_objects(var/scan_dist)
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. = list()
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var/turf/center = get_turf(src.loc)
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if(!center)
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return
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for(var/thing in RANGE_TURFS(scan_range, center))
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var/turf/T = thing
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if(!!T.is_plating())
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continue
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for(var/obj/O in T.contents)
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if(O.level != 1)
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continue
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if(!O.invisibility)
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continue //if it's already visible don't need an overlay for it
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. += O
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/obj/item/t_scanner/proc/set_user_client(var/client/new_client)
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if(new_client == user_client)
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return
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if(user_client)
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for(var/scanned in active_scanned)
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user_client.images -= active_scanned[scanned]
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if(new_client)
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for(var/scanned in active_scanned)
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new_client.images += active_scanned[scanned]
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else
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active_scanned.Cut()
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user_client = new_client
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/obj/item/t_scanner/dropped(mob/user)
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set_user_client(null)
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..()
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#undef OVERLAY_CACHE_LEN
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