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Aurora.3/code/game/objects/effects/spiders.dm
Fluffy c24b4c7097 Projectile refactoring madness (#19878) 
Refactored the projectile code, mostly in line with TG's now.
Refactored various procs that are used or depends on it.
Projectiles can now ricochet if enabled to.
Damage falloffs with distance.
Homing projectiles can now have accuracy falloff with distance.
Projectiles have a maximum range.
Muzzle flash is configurable per projectile.
Impact effect of the projectile is configurable per projectile.
Accuracy decreases with distance.
Projectiles work with signals and emits them, for easy hooking up from
other parts of the code.
Meatshielding is now less effective .
Impact sound is now configurable per projectile.

High risk.
2024-09-23 10:12:57 +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.iswelder())
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))
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
/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
var/last_itch = 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)
var/obj/item/organ/external/O = null
if(isorgan(loc))
O = loc
if(amount_grown >= 100)
var/num = rand(6,24)
for(var/i = 0, i < num, i++)
var/spiderling = new /obj/effect/spider/spiderling(src.loc, src, 0.75)
if(O)
O.implants += spiderling
qdel(src)
else if (O && O.owner && prob(1))
if(world.time > last_itch + 30 SECONDS)
last_itch = world.time
to_chat(O.owner, SPAN_NOTICE("Your [O.name] itches."))
/obj/effect/spider/eggcluster/proc/take_damage(var/damage)
health -= damage
if(health <= 0)
var/obj/item/organ/external/O = loc
if(istype(O) && O.owner)
to_chat(O.owner, SPAN_WARNING("You feel something dissolve in your [O.name]..."))
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 = 0
layer = 2.7
health = 3
var/last_itch = 0
var/amount_grown = -1
var/growth_rate = 1
var/obj/machinery/atmospherics/unary/vent_pump/entry_vent
var/travelling_in_vent = 0
var/list/possible_offspring
/obj/effect/spider/spiderling/Initialize(var/mapload, var/atom/parent, var/new_rate = 1, var/list/spawns = 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))
. = ..(mapload)
pixel_x = rand(6,-6)
pixel_y = rand(6,-6)
START_PROCESSING(SSprocessing, src)
//50% chance to grow up
if(prob(50))
amount_grown = 1
growth_rate = new_rate
possible_offspring = spawns
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))
loc = exit_vent
var/travel_time = round(get_dist(loc, exit_vent.loc) / 2)
spawn(travel_time)
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) && amount_grown >= 100)
var/spawn_type = pick(possible_offspring)
new spawn_type(src.loc, src)
qdel(src)
else if(isorgan(loc))
var/obj/item/organ/external/O = loc
if(amount_grown > 70)
burst_out(O)
if (O.owner)
if(amount_grown > 40 && prob(1))
O.owner.apply_damage(1, DAMAGE_TOXIN, O.limb_name)
if(world.time > last_itch + 30 SECONDS)
last_itch = world.time
O.owner.visible_message(
SPAN_WARNING("You think you see something moving around in \the [O.owner]'s [O.name]."),
SPAN_WARNING("You [prob(25) ? "see" : "feel"] something large move around in your [O.name]!"))
else if (prob(1))
if(world.time > last_itch + 30 SECONDS)
last_itch = world.time
to_chat(O.owner, SPAN_WARNING("You feel something large move around in your [O.name]!"))
else if(prob(1))
src.visible_message(SPAN_NOTICE("\The [src] skitters."))
if (amount_grown > -1)
amount_grown += (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
/**
* Makes the organ spew out all of the spiderlings it has. It's triggered at the point
* of the first spiderling reaching 80% of more amount grown. This stops them from growing
* to full size inside a human.
*
* The proc also drops the limb if it's on a human, or gibs it if it's on the floor. For
* maximum drama, of course!
*
* @param O The organ/external limb the src is located inside of.
*/
/obj/effect/spider/spiderling/proc/burst_out(obj/item/organ/external/O = src.loc)
if (!istype(O))
return
if (O.owner)
O.owner.visible_message(
SPAN_DANGER("A group of [src] burst out of [O.owner]'s [O]!"),
SPAN_DANGER("A group of [src] burst out of your [O]!"))
O.owner.emote("scream")
else
O.visible_message(SPAN_DANGER("A group of [src] burst out of \the [O]!"))
var/target_loc = O.owner ? O.owner.loc : O.loc
// Swarm all of the spiders out so we can gib the limb.
for (var/obj/effect/spider/spiderling/S in O.implants)
O.implants -= S
S.forceMove(target_loc)
// if owner, dismember the shit out of it.
if (O.owner)
O.droplimb(0, DROPLIMB_BLUNT)
else
O.visible_message(SPAN_DANGER("\The [O] explodes into a pile of gore!"))
gibs(target_loc)
qdel(O)
/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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