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Aurora.3/code/game/objects/effects/spiders.dm
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AlaunusLux 24adc2268b Various player greimorian fixes, gives greimorian queen an attack reach of two (#21166) 
Most of these are self explanatory. Servants should be able to see in
the dark. They should not speak TCB. The user should get feedback if a
skill fails. The icon state shouldn't be set to resting if the simple
mob AI will take back over (which it does), though I'm not a huge fan of
the way I solved that one - should it be a more generic var like
`should_not_sleep` on simple mobs? Then it would need a typecast as
well.

The first big change here is removing `environment_smash` from the
`attack_generic` proc. As far as I can tell, this variable is almost
entirely deprecated. I only saw one check relying on it, in
`/obj/structure/closet/statue/attack_generic(var/mob/user, damage,
attacktext, environment_smash)`, but when I tried to spawn one it was
invisible, so I assume that is also something that is mostly deprecated.
As such, I removed the variable from the function call, lining its
arguments back up with what the function is expecting. Maybe I should've
done named arguments here, but given that there's only that one function
that expects it, I just removed it.

The second big change is giving the Greimorian Queen reach on its melee
attacks. I was mostly trying to fix the case where the queen can't
attack a mob to its north, due to the mob being covered by the queen's
icon. Attacking two tiles away looks fine when the queen is facing
north, but facing south it looks not great. Directly East and West are
usually okay, though it depends exactly which tile is being attacked.

I did also duplicate a function, which I'm not a fan of. Perhaps
`attack_can_reach` should be made more generic. Let me know the best
place to do that, if so.

I'm not completely sold on adding the reach in its current form: Aside
from the top center 3 and the two furthest east and west, it reaches way
too far without good visual feedback that it can/is doing so, especially
the bottom ones and corners.


https://github.com/user-attachments/assets/a2b95cee-fe2d-4bc6-bf43-2e5b6e2e8f86
2026-02-05 11:33:56 +00:00

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//generic procs copied from obj/effect/alien
/obj/effect/spider
name = "web"
desc = "It's stringy and sticky, eugh. Probably came from one of those greimorians..."
icon = 'icons/effects/effects.dmi'
anchored = TRUE
density = FALSE
mouse_opacity = MOUSE_OPACITY_ICON
var/health = 15
//similar to weeds, but only barfed out by nurses manually
/obj/effect/spider/ex_act(severity)
switch(severity)
if(1.0)
qdel(src)
if(2.0)
if(prob(50))
qdel(src)
if(3.0)
if(prob(5))
qdel(src)
return
/obj/effect/spider/attackby(obj/item/attacking_item, mob/user)
visible_message(SPAN_WARNING("\The [src] has been [LAZYPICK(attacking_item.attack_verb, "attacked")] with [attacking_item][(user ? " by [user]." : ".")]"))
var/damage = attacking_item.force / 4.0
if(attacking_item.tool_behaviour == TOOL_WELDER)
var/obj/item/weldingtool/WT = attacking_item
if(WT.use(0, user))
damage = 15
playsound(loc, 'sound/items/Welder.ogg', 100, 1)
return TRUE
else
user.do_attack_animation(src)
playsound(loc, attacking_item.hitsound, 50, 1, -1)
health -= damage
healthcheck()
/obj/effect/spider/bullet_act(obj/projectile/hitting_projectile, def_zone, piercing_hit)
. = ..()
if(. != BULLET_ACT_HIT)
return .
health -= hitting_projectile.get_structure_damage()
healthcheck()
/obj/effect/spider/proc/healthcheck()
if(health <= 0)
qdel(src)
/obj/effect/spider/fire_act(exposed_temperature, exposed_volume)
. = ..()
if(exposed_temperature > 300 + T0C)
health -= 5
healthcheck()
/obj/effect/spider/stickyweb
icon_state = "stickyweb1"
/obj/effect/spider/stickyweb/Initialize()
. = ..()
if(prob(50))
icon_state = "stickyweb2"
if(prob(75))
var/image/web_overlay = image(icon, icon_state = "[initial(icon_state)]-overlay[pick(1, 2, 3)]", layer = ABOVE_HUMAN_LAYER)
AddOverlays(web_overlay)
/obj/effect/spider/stickyweb/CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
if(air_group || height == 0)
return TRUE
if(mover?.movement_type & PHASING)
return TRUE
if(istype(mover, /mob/living/simple_animal/hostile/giant_spider) || (mover.pulledby && istype(mover.pulledby, /mob/living/simple_animal/hostile/giant_spider)))
return TRUE
else if(istype(mover, /mob/living))
if(prob(50))
to_chat(mover, SPAN_WARNING("You get stuck in \the [src] for a moment."))
return FALSE
else if(istype(mover, /obj/projectile))
return prob(30)
return TRUE
/// The effect/spider/eggcluster is only for egg clusters spawned in-world, not implanted by a worker.
/obj/effect/spider/eggcluster
name = "egg cluster"
desc = "They seem to pulse slightly with an inner life."
icon_state = "eggs"
health = 10
var/amount_grown = 0
/obj/effect/spider/eggcluster/Initialize(var/mapload, var/atom/parent)
. = ..(mapload)
pixel_x = rand(3,-3)
pixel_y = rand(3,-3)
START_PROCESSING(SSprocessing, src)
get_light_and_color(parent)
/obj/effect/spider/eggcluster/Destroy()
STOP_PROCESSING(SSprocessing, src)
if(istype(loc, /obj/item/organ/external))
var/obj/item/organ/external/O = loc
O.implants -= src
return ..()
/obj/effect/spider/eggcluster/process()
amount_grown += rand(0, 2)
if(amount_grown >= 100)
var/num = rand(6,24)
for(var/i = 0, i < num, i++)
new /obj/effect/spider/spiderling(src.loc, src, 0.75)
qdel(src)
/obj/effect/spider/eggcluster/proc/take_damage(var/damage)
health -= damage
if(health <= 0)
qdel(src)
/obj/effect/spider/spiderling
name = "greimorian larva"
desc = "A small, agile alien creature. It oozes some disgusting slime."
desc_extended = "Greimorians are a species of arthropods whose evolutionary traits have made them an extremely dangerous invasive species. \
They originate from the Badlands planet Greima, once covered in crystalized phoron. A decaying orbit led to its combustion from proximity to its sun, and its dominant inhabitants \
managed to survive in orbit. Countless years later, they prove to be a menace across the galaxy, having carried themselves within the hulls of Human vessels to spread wildly."
icon_state = "spiderling"
anchored = FALSE
layer = OPEN_DOOR_LAYER // 2.7
health = 3
var/last_itch = 0
/// % chance that the spiderling will eventually turn into a fully-grown greimorian.
var/can_mature_chance = 50
var/can_mature = FALSE
/// Multiplier to growth gained per tick.
var/growth_rate = 1
/// Their current growth, from 0-100.
var/growth_level = 0
var/obj/machinery/atmospherics/unary/vent_pump/entry_vent
var/travelling_in_vent = 0
/// Possible creatures the larva can mature into.
var/list/possible_offspring = list(
/mob/living/simple_animal/hostile/giant_spider,
/mob/living/simple_animal/hostile/giant_spider/nurse,
/mob/living/simple_animal/hostile/giant_spider/emp,
/mob/living/simple_animal/hostile/giant_spider/hunter,
/mob/living/simple_animal/hostile/giant_spider/bombardier
)
/obj/effect/spider/spiderling/Initialize(var/mapload, var/atom/parent, var/new_growth_rate = 1, var/list/new_possible_offspring = possible_offspring)
. = ..(mapload)
pixel_x = rand(6,-6)
pixel_y = rand(6,-6)
START_PROCESSING(SSprocessing, src)
//50% chance to grow up
if(prob(can_mature_chance))
can_mature = TRUE
growth_rate = new_growth_rate
possible_offspring = new_possible_offspring
get_light_and_color(parent)
/obj/effect/spider/spiderling/Destroy()
STOP_PROCESSING(SSprocessing, src)
entry_vent = null
return ..()
/obj/effect/spider/spiderling/Collide(atom/user)
if(istype(user, /obj/structure/table))
forceMove(user.loc)
else
..()
/obj/effect/spider/spiderling/proc/die()
visible_message(SPAN_WARNING("\The [src] dies!"))
new /obj/effect/decal/cleanable/spiderling_remains(loc)
qdel(src)
/obj/effect/spider/spiderling/healthcheck()
if(health <= 0)
die()
/obj/effect/spider/spiderling/process()
if(travelling_in_vent)
if(istype(src.loc, /turf))
travelling_in_vent = 0
entry_vent = null
else if(entry_vent)
if(get_dist(src, entry_vent) <= 1)
if(entry_vent.network && entry_vent.network.normal_members.len)
var/list/vents = list()
for(var/obj/machinery/atmospherics/unary/vent_pump/temp_vent in entry_vent.network.normal_members)
vents.Add(temp_vent)
if(!vents.len)
entry_vent = null
return
var/obj/machinery/atmospherics/unary/vent_pump/exit_vent = pick(vents)
spawn(rand(20,60))
if(!QDELETED(src))
loc = exit_vent
var/travel_time = round(get_dist(loc, exit_vent.loc) / 2)
spawn(travel_time)
if(!QDELETED(src))
if(!exit_vent || exit_vent.welded)
loc = entry_vent
entry_vent = null
return
if(prob(50))
visible_message(SPAN_NOTICE("You hear something squeezing through the ventilation ducts."), range = 2)
sleep(travel_time)
if(!exit_vent || exit_vent.welded)
loc = entry_vent
entry_vent = null
return
loc = exit_vent.loc
entry_vent = null
var/area/new_area = get_area(loc)
if(new_area)
new_area.Entered(src)
else
entry_vent = null
else if(prob(25) && isturf(loc))
var/list/nearby = oview(5, src)
if(nearby.len)
var/target_atom = pick(nearby)
GLOB.move_manager.move_to(src, target_atom, 0, 5)
if(prob(25))
src.visible_message(SPAN_NOTICE("\The [src] skitters[pick(" away"," around","")]."))
else if(prob(5))
//vent crawl!
for(var/obj/machinery/atmospherics/unary/vent_pump/v in view(7,src))
if(!v.welded)
entry_vent = v
GLOB.move_manager.move_to(src, entry_vent, 0, 5)
break
if(isturf(loc) && growth_level >= 100)
var/spawn_type = pick(possible_offspring)
new spawn_type(src.loc, src)
qdel(src)
else if(prob(1))
src.visible_message(SPAN_NOTICE("\The [src] skitters."))
if(can_mature)
growth_level += (rand(0, 1) * growth_rate)
/obj/effect/spider/spiderling/attack_hand(mob/living/user)
user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
user.do_attack_animation(src)
if(prob(20))
visible_message(SPAN_WARNING("\The [user] tries to stomp on \the [src], but misses!"))
var/list/nearby = oview(2, src)
if(length(nearby))
GLOB.move_manager.move_to(src, pick(nearby), 0, 2)
return
visible_message(SPAN_WARNING("\The [user] stomps \the [src] dead!"))
die()
/obj/effect/spider/spiderling/attackby(obj/item/attacking_item, mob/user)
. = ..()
if(istype(attacking_item, /obj/item/newspaper))
var/obj/item/newspaper/N = attacking_item
if(N.rolled)
die()
return TRUE
/obj/effect/decal/cleanable/spiderling_remains
name = "greimorian larva remains"
desc = "Green squishy mess."
icon = 'icons/effects/effects.dmi'
icon_state = "greenshatter"
/obj/effect/spider/cocoon
name = "cocoon"
desc = "Something wrapped in silky greimorian web"
icon_state = "cocoon1"
health = 60
/obj/effect/spider/cocoon/Initialize()
. = ..()
icon_state = pick("cocoon1","cocoon2","cocoon3")
/obj/effect/spider/cocoon/Destroy()
src.visible_message(SPAN_WARNING("\The [src] splits open."))
for(var/atom/movable/A in contents)
A.forceMove(src.loc)
return ..()
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