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Aurora.3/code/modules/overmap/ship_weaponry/weaponry/leviathan.dm
T
FluffyandGitHub 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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/obj/machinery/ship_weapon/leviathan
name = "leviathan zero-point artillery"
desc = "A hulking structure made up of an uncalculable amount of moving parts, components and capacitors. It has no branding other than the \"ZAT\" inscription on the sides."
icon = 'icons/obj/machinery/ship_guns/leviathan.dmi'
icon_state = "weapon_off"
special_firing_mechanism = TRUE
max_damage = 10000
projectile_type = /obj/projectile/ship_ammo/leviathan
use_ammunition = FALSE
heavy_firing_sound = 'sound/weapons/gunshot/ship_weapons/leviathan_fire.ogg'
caliber = SHIP_CALIBER_ZAT
firing_effects = FIRING_EFFECT_FLAG_THROW_MOBS|FIRING_EFFECT_FLAG_EXTREMELY_LOUD
screenshake_type = SHIP_GUN_SCREENSHAKE_ALL_MOBS
layer = ABOVE_HUMAN_LAYER
use_power = POWER_USE_OFF //Start off.
idle_power_usage = 100 KILO WATTS
active_power_usage = 20 MEGA WATTS
var/obj/machinery/power/smes/buildable/smes
/obj/machinery/ship_weapon/leviathan/Destroy()
smes = null
return ..()
/obj/machinery/ship_weapon/leviathan/LateInitialize()
. = ..()
couple_to_smes()
/obj/machinery/ship_weapon/leviathan/ex_act(severity)
return //Not happening bro.
/obj/machinery/ship_weapon/leviathan/firing_checks()
if(use_power == POWER_USE_OFF)
return FALSE
if(!istype(smes))
return FALSE
if(firing)
return FALSE
. = ..()
/obj/machinery/ship_weapon/leviathan/pre_fire(atom/target, obj/effect/landmark/landmark)
firing = TRUE
icon_state = "weapon_on"
visible_message(SPAN_DANGER("<font size=5>\The [src] begins lighting up with a powerful hum...</font>"))
var/power_draw = smes.drain_power_simple(active_power_usage)
if(power_draw >= active_power_usage)
for(var/mob/M in GLOB.living_mob_list)
if(AreConnectedZLevels(GET_Z(M), z))
if(get_area(M) != get_area(src))
to_chat(M, SPAN_DANGER("<font size=4>The ground below you starts shaking...</font>"))
sound_to(M, sound('sound/weapons/gunshot/ship_weapons/leviathan_chargeup.ogg'))
flick("weapon_charge", src)
sleep(10 SECONDS)
var/obj/item/ship_ammunition/leviathan/L = new()
ammunition |= L
if(!stat)
visible_message(SPAN_DANGER("<font size=6>\The [src] fires, quaking the ground below you!</font>"))
for(var/mob/M in GLOB.living_mob_list)
if(AreConnectedZLevels(M.z, z) && (get_area(M) != get_area(src)))
to_chat(M, SPAN_DANGER("<font size=4>A gigantic shock courses through the hull of the ship!</font>"))
. = ..()
else
visible_message(SPAN_DANGER("<font size=4>\The [src]'s capacitors fizzle out!</font>"))
. = FALSE
disable()
/obj/machinery/ship_weapon/leviathan/process()
if(firing)
for(var/mob/M in GLOB.living_mob_list)
if(AreConnectedZLevels(GET_Z(M), z))
shake_camera(M, 3, 3)
/obj/machinery/ship_weapon/leviathan/power_change()
. = ..()
if((stat & NOPOWER) && .)
disable()
/obj/machinery/ship_weapon/leviathan/update_use_power(new_use_power)
. = ..()
if(new_use_power == POWER_USE_OFF && (use_power != POWER_USE_OFF))
disable()
/obj/machinery/ship_weapon/leviathan/disable()
firing = FALSE
if(use_power != POWER_USE_OFF)
visible_message(SPAN_DANGER("<font size=4>\The [src]'s humming comes to an abrupt halt.</font>"))
for(var/mob/living/L in GLOB.living_mob_list)
if(AreConnectedZLevels(L.z, z))
sound_to(L, 'sound/effects/ship_weapons/leviathan_powerdown.ogg')
to_chat(L, SPAN_WARNING("The ground below you settles down, no longer vibrating."))
update_use_power(POWER_USE_OFF)
icon_state = "weapon_off"
/obj/machinery/ship_weapon/leviathan/enable()
couple_to_smes()
if(!smes)
visible_message(SPAN_DANGER("\The [src] doesn't light up at all! Its maintenance display indicates there is no SMES to draw power from."))
return
visible_message(SPAN_DANGER("<font size=4>\The [src] lights up with a powerful hum...</font>"))
for(var/mob/living/L in GLOB.living_mob_list)
if(AreConnectedZLevels(L.z, z))
sound_to(L, 'sound/effects/ship_weapons/leviathan_powerup.ogg')
to_chat(L, SPAN_WARNING("The ground below you starts vibrating with a slight hum..."))
update_use_power(POWER_USE_IDLE)
icon_state = "weapon_on"
/obj/machinery/ship_weapon/leviathan/proc/couple_to_smes()
if(smes)
return
var/list/obj/machinery/power/smes/candidates = list()
for(var/obj/machinery/power/smes/S in SSmachinery.machinery)
if(get_area(S) == get_area(src))
candidates += S
for(var/obj/machinery/power/smes/buildable/superconducting/SC in candidates)
if(istype(SC))
smes = SC
return
for(var/obj/machinery/power/smes/buildable/SM in candidates)
if(istype(SM))
smes = SM
return
/obj/item/ship_ammunition/leviathan
name = "zero-point artillery beam"
desc = "A beam of pure energy."
range = OVERMAP_PROJECTILE_RANGE_ULTRAHIGH
caliber = SHIP_CALIBER_ZAT
impact_type = SHIP_AMMO_IMPACT_ZAT
overmap_icon_state = "heavy_pulse"
/obj/item/ship_ammunition/leviathan/Initialize()
. = ..()
set_light(3, 3, LIGHT_COLOR_PURPLE)
/obj/item/ship_ammunition/leviathan/get_speed()
return 2
/obj/projectile/ship_ammo/leviathan
name = "zero-point artillery beam"
desc = "A concentrated stream of pure energy."
icon_state = "pulse"
damage = 10000
armor_penetration = 1000
penetrating = 100
hitscan = TRUE
impact_sounds = list(BULLET_IMPACT_MEAT = SOUNDS_LASER_MEAT, BULLET_IMPACT_METAL = SOUNDS_LASER_METAL)
muzzle_type = /obj/effect/projectile/muzzle/pulse
tracer_type = /obj/effect/projectile/tracer/pulse
impact_type = /obj/effect/projectile/impact/pulse
/obj/projectile/ship_ammo/leviathan/on_hit(atom/target, blocked, def_zone, is_landmark_hit)
. = ..()
if(!is_landmark_hit)
if(ismob(target))
var/mob/M = target
M.visible_message(SPAN_DANGER("<font size=6>[M] evaporates as they are engulfed by the beam!</font>"))
M.dust()
return
explosion(target, 6, 6, 6)
else
target.visible_message(SPAN_DANGER("<font size=6>A giant, purple laser descends from the sky!</font>"))
explosion(target, 30, 30, 30)
/obj/projectile/ship_ammo/leviathan/check_penetrate(atom/A)
on_hit(A)
return TRUE
/obj/machinery/zat_lever
name = "activation lever"
desc = "An old-style lever that couples the Leviathan's capacitors. <span class='danger'>Flicking this will result in extreme power usage!</span>"
icon = 'icons/obj/power.dmi'
icon_state = "lever1"
var/obj/machinery/ship_weapon/leviathan/ZAT
var/toggled = FALSE
var/cooldown = 0
/obj/machinery/zat_lever/Initialize(mapload, d, populate_components, is_internal)
..()
return INITIALIZE_HINT_LATELOAD
/obj/machinery/zat_lever/LateInitialize()
for(var/obj/machinery/ship_weapon/leviathan/cannon in get_area(src))
ZAT = cannon
break
/obj/machinery/zat_lever/Destroy()
ZAT = null
return..()
/obj/machinery/zat_lever/attack_hand(mob/user)
if(!use_check_and_message(user, USE_DISALLOW_SILICONS) && !stat && (cooldown + 10 SECONDS < world.time))
if(do_after(user, 1 SECOND))
visible_message(SPAN_DANGER("[user] pulls \the [src] [toggled ? "up" : "down"]!"))
toggled = !toggled
switch(toggled)
if(FALSE)
flick("lever3", src)
ZAT.disable()
sleep(2)
icon_state = "lever1"
if(TRUE)
flick("lever2", src)
ZAT.enable()
sleep(2)
icon_state = "lever_down"
playsound(src, 'sound/effects/spring.ogg', 100)
cooldown = world.time
/obj/item/leviathan_key
name = "leviathan activation key"
desc = "A key made of hardlight used to activate the Leviathan. It is a software-controlled morphing key that uses self-replicating encryption: \
it cannot be replicated at all. Most importantly, if it is stolen, it can simply be deactivated by the SCC. A marvel of modern technology! \
If you're vain, you could also probably wear it as a necklace."
icon = 'icons/obj/machinery/ship_guns/zat_confirmation_terminals.dmi'
icon_state = "cannon_key"
item_state = "cannon_key"
contained_sprite = TRUE
slot_flags = SLOT_MASK
/obj/item/leviathan_case
name = "leviathan key case"
desc = "It contains the Leviathan's activation key. The case is made out of authentic ebony wood, while the cushioning on the inside is made of silk."
icon = 'icons/obj/machinery/ship_guns/zat_confirmation_terminals.dmi'
icon_state = "key_case"
var/open = FALSE
var/obj/item/leviathan_key/LK
/obj/item/leviathan_case/Initialize()
. = ..()
LK = new(src)
/obj/item/leviathan_case/Destroy()
QDEL_NULL(LK)
return ..()
/obj/item/leviathan_case/attack_self(mob/user)
if(use_check_and_message(user))
return
open = !open
if(open)
user.visible_message(SPAN_NOTICE("[user] opens \the [src]."))
if(LK)
icon_state = "key_case-o"
else
icon_state = "key_case-e"
else
user.visible_message(SPAN_NOTICE("[user] closes \the [src]."))
icon_state = "key_case"
/obj/item/leviathan_case/attack_hand(mob/user)
if(!open || !LK || !ishuman(loc))
. = ..()
return
if(use_check_and_message(user, USE_FORCE_SRC_IN_USER))
return
if(LK)
user.visible_message(SPAN_NOTICE("[user] retrieves \the [LK]."))
user.put_in_hands(LK)
LK = null
icon_state = "key_case-e"
/obj/item/leviathan_case/attackby(obj/item/attacking_item, mob/user)
. = ..()
if(use_check_and_message(user))
return
if(!LK && open)
if(istype(attacking_item, /obj/item/leviathan_key))
var/obj/item/leviathan_key/key = attacking_item
user.visible_message(SPAN_NOTICE("[user] puts \the [key] back into \the [src]."))
LK = key
user.drop_from_inventory(key, src)
icon_state = "key_case-o"
/obj/machinery/leviathan_safeguard
name = "leviathan activation terminal"
desc = "The terminal used to confirm if you really want to wipe someone out."
icon = 'icons/obj/machinery/ship_guns/zat_confirmation_terminals.dmi'
icon_state = "safeguard"
anchored = TRUE
density = TRUE
var/opened = FALSE
var/locked = FALSE
var/obj/item/leviathan_key/key
var/obj/machinery/leviathan_button/button
/obj/machinery/leviathan_safeguard/Initialize(mapload, d, populate_components, is_internal)
..()
return INITIALIZE_HINT_LATELOAD
/obj/machinery/leviathan_safeguard/LateInitialize()
if(SSatlas.current_map.use_overmap && !linked)
var/my_sector = GLOB.map_sectors["[z]"]
if (istype(my_sector, /obj/effect/overmap/visitable))
attempt_hook_up(my_sector)
if(linked)
ASSERT(isnull(linked.levi_safeguard)) //There should only ever be one
linked.levi_safeguard = src
for(var/obj/machinery/leviathan_button/LB in range(3, src))
if(istype(LB))
button = LB
/obj/machinery/leviathan_safeguard/Destroy()
if(linked)
linked.levi_safeguard = null
QDEL_NULL(key)
button = null
. = ..()
/obj/machinery/leviathan_safeguard/ex_act(severity)
return
/obj/machinery/leviathan_safeguard/emp_act(severity)
. = ..()
return
/obj/machinery/leviathan_safeguard/proc/open()
opened = TRUE
flick("safeguard_opening", src)
icon_state = "safeguard_open"
/obj/machinery/leviathan_safeguard/attackby(obj/item/attacking_item, mob/user)
if(!opened || locked)
return
if(istype(attacking_item, /obj/item/leviathan_key) && !key && !stat)
var/obj/item/leviathan_key/LK = attacking_item
if(use_check_and_message(user))
return
if(do_after(user, 1 SECOND))
visible_message(SPAN_WARNING("[user] places \the [LK] inside \the [src]'s keyhole!"))
key = LK
user.drop_from_inventory(attacking_item, src)
icon_state = "safeguard_open"
playsound(src, 'sound/effects/ship_weapons/levi_key_insert.ogg', 50)
/obj/machinery/leviathan_safeguard/attack_hand(mob/user)
if(key && !stat && opened && !locked)
if(use_check_and_message(user))
return
if(do_after(user, 1 SECOND))
visible_message(SPAN_WARNING("[user] twists \the [key]!"))
flick("safeguard_locking", src)
icon_state = "safeguard_locked"
locked = TRUE
playsound(src, 'sound/effects/ship_weapons/levi_key_twist.ogg', 50)
button.open()
/obj/machinery/leviathan_button
name = "leviathan fire button"
desc = "The button that controls the Leviathan's firing mechanism."
icon = 'icons/obj/machinery/ship_guns/zat_confirmation_terminals.dmi'
icon_state = "button_closed"
anchored = TRUE
var/open = FALSE
/obj/machinery/leviathan_button/Initialize()
..()
return INITIALIZE_HINT_LATELOAD
/obj/machinery/leviathan_button/LateInitialize()
if(SSatlas.current_map.use_overmap && !linked)
var/my_sector = GLOB.map_sectors["[z]"]
if (istype(my_sector, /obj/effect/overmap/visitable))
attempt_hook_up(my_sector)
/obj/machinery/leviathan_button/ex_act(severity)
return
/obj/machinery/leviathan_button/emp_act(severity)
. = ..()
return
/obj/machinery/leviathan_button/proc/open()
icon_state = "button_open"
open = TRUE
/obj/machinery/leviathan_button/attack_hand(mob/user)
set waitfor = FALSE
if(open)
if(use_check_and_message(user))
return
if(linked.targeting)
var/list/obj/effect/possible_entry_points = list()
if(istype(linked.targeting, /obj/effect/overmap/visitable))
var/obj/effect/overmap/visitable/V = linked.targeting
for(var/obj/effect/O in V.generic_waypoints)
possible_entry_points[O.name] = O
for(var/obj/effect/O in V.entry_points)
possible_entry_points[O.name] = O
possible_entry_points = sortList(possible_entry_points)
if(istype(linked.targeting, /obj/effect/overmap/event))
possible_entry_points += SHIP_HAZARD_TARGET
var/targeted_landmark = tgui_input_list(user, "Select an entry point.", "Leviathan Control", possible_entry_points)
if(!targeted_landmark && length(possible_entry_points))
return
var/obj/effect/landmark
if(length(possible_entry_points) && !(targeted_landmark == SHIP_HAZARD_TARGET))
landmark = possible_entry_points[targeted_landmark]
if(do_after(user, 1 SECOND) && !use_check_and_message(user))
playsound(src, 'sound/effects/ship_weapons/levi_button_press.ogg', 50)
visible_message(SPAN_DANGER("[user] presses \the [src]!"))
for(var/obj/machinery/ship_weapon/leviathan/LT in linked.ship_weapons)
if(istype(LT))
LT.firing_command(linked.targeting, landmark)
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