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gps.dm
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gps.dm
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///Global GPS_list. All GPS components get saved in here for easy reference.
GLOBAL_LIST_EMPTY(GPS_list)
///GPS component. Atoms that have this show up on gps. Pretty simple stuff.
/datum/component/gps
var/gpstag = "COM0"
var/tracking = TRUE
var/emped = FALSE
/datum/component/gps/Initialize(_gpstag = "COM0")
if(!isatom(parent))
return COMPONENT_INCOMPATIBLE
gpstag = _gpstag
GLOB.GPS_list += src
/datum/component/gps/Destroy()
GLOB.GPS_list -= src
return ..()
///GPS component subtype. Only gps/item's can be used to open the UI.
/datum/component/gps/item
var/updating = TRUE //Automatic updating of GPS list. Can be set to manual by user.
var/global_mode = TRUE //If disabled, only GPS signals of the same Z level are shown
/datum/component/gps/item/Initialize(_gpstag = "COM0", emp_proof = FALSE)
. = ..()
if(. == COMPONENT_INCOMPATIBLE || !isitem(parent))
return COMPONENT_INCOMPATIBLE
var/atom/A = parent
A.add_overlay("working")
A.name = "[initial(A.name)] ([gpstag])"
RegisterSignal(parent, COMSIG_ITEM_ATTACK_SELF, .proc/interact)
if(!emp_proof)
RegisterSignal(parent, COMSIG_ATOM_EMP_ACT, .proc/on_emp_act)
RegisterSignal(parent, COMSIG_PARENT_EXAMINE, .proc/on_examine)
RegisterSignal(parent, COMSIG_CLICK_ALT, .proc/on_AltClick)
///Called on COMSIG_ITEM_ATTACK_SELF
/datum/component/gps/item/proc/interact(datum/source, mob/user)
SIGNAL_HANDLER_DOES_SLEEP
if(user)
ui_interact(user)
///Called on COMSIG_PARENT_EXAMINE
/datum/component/gps/item/proc/on_examine(datum/source, mob/user, list/examine_list)
SIGNAL_HANDLER
examine_list += "<span class='notice'>Alt-click to switch it [tracking ? "off":"on"].</span>"
///Called on COMSIG_ATOM_EMP_ACT
/datum/component/gps/item/proc/on_emp_act(datum/source, severity)
SIGNAL_HANDLER
emped = TRUE
var/atom/A = parent
A.cut_overlay("working")
A.add_overlay("emp")
addtimer(CALLBACK(src, .proc/reboot), 300, TIMER_UNIQUE|TIMER_OVERRIDE) //if a new EMP happens, remove the old timer so it doesn't reactivate early
SStgui.close_uis(src) //Close the UI control if it is open.
///Restarts the GPS after getting turned off by an EMP.
/datum/component/gps/item/proc/reboot()
emped = FALSE
var/atom/A = parent
A.cut_overlay("emp")
A.add_overlay("working")
///Calls toggletracking
/datum/component/gps/item/proc/on_AltClick(datum/source, mob/user)
SIGNAL_HANDLER
toggletracking(user)
///Toggles the tracking for the gps
/datum/component/gps/item/proc/toggletracking(mob/user)
if(!user.canUseTopic(parent, BE_CLOSE))
return //user not valid to use gps
if(emped)
to_chat(user, "<span class='warning'>It's busted!</span>")
return
var/atom/A = parent
if(tracking)
A.cut_overlay("working")
to_chat(user, "<span class='notice'>[parent] is no longer tracking, or visible to other GPS devices.</span>")
tracking = FALSE
else
A.add_overlay("working")
to_chat(user, "<span class='notice'>[parent] is now tracking, and visible to other GPS devices.</span>")
tracking = TRUE
/datum/component/gps/item/ui_interact(mob/user, datum/tgui/ui)
if(emped)
to_chat(user, "<span class='hear'>[parent] fizzles weakly.</span>")
return
ui = SStgui.try_update_ui(user, src, ui)
if(!ui)
ui = new(user, src, "Gps")
ui.open()
ui.set_autoupdate(updating)
/datum/component/gps/item/ui_data(mob/user)
var/list/data = list()
data["power"] = tracking
data["tag"] = gpstag
data["updating"] = updating
data["globalmode"] = global_mode
if(!tracking || emped) //Do not bother scanning if the GPS is off or EMPed
return data
var/turf/curr = get_turf(parent)
data["currentArea"] = "[get_area_name(curr, TRUE)]"
data["currentCoords"] = "[curr.x], [curr.y], [curr.z]"
var/list/signals = list()
data["signals"] = list()
for(var/gps in GLOB.GPS_list)
var/datum/component/gps/G = gps
if(G.emped || !G.tracking || G == src)
continue
var/turf/pos = get_turf(G.parent)
if(!pos || !global_mode && pos.z != curr.z)
continue
var/list/signal = list()
signal["entrytag"] = G.gpstag //Name or 'tag' of the GPS
signal["coords"] = "[pos.x], [pos.y], [pos.z]"
if(pos.z == curr.z) //Distance/Direction calculations for same z-level only
signal["dist"] = max(get_dist(curr, pos), 0) //Distance between the src and remote GPS turfs
signal["degrees"] = round(Get_Angle(curr, pos)) //0-360 degree directional bearing, for more precision.
signals += list(signal) //Add this signal to the list of signals
data["signals"] = signals
return data
/datum/component/gps/item/ui_act(action, params)
if(..())
return
switch(action)
if("rename")
var/atom/parentasatom = parent
var/a = stripped_input(usr, "Please enter desired tag.", parentasatom.name, gpstag, 20)
if (!a)
return
gpstag = a
. = TRUE
parentasatom.name = "global positioning system ([gpstag])"
if("power")
toggletracking(usr)
. = TRUE
if("updating")
updating = !updating
. = TRUE
if("globalmode")
global_mode = !global_mode
. = TRUE