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Bubberstation/code/game/objects/items/tanks/jetpack.dm
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GhomandGitHub 6eb2d1674a Implementing materials checks for techweb designs. (#96257) 
## About The Pull Request
In similar fashion to what was done with crafting recipes last year,
this year it's time for techweb designs and printed items to be audited.
This is mostly just about consistency, we've a lot of items that can be
printed by protolathes, autolathes, circuit printers and techfab etc.
However they almost all (except most stacks, mainly) have custom
materials that do not match in one way or another with the materials
used by the design, which is what this PR is for.

"But items printed from lathes etc. already get the mats used to make
them." Yes, they do, however that isn't the case for items of the same
type that were spawned in some other way (cargo shuttle, space/maints
loot, mapped, admins), this create a subtle discrepancy. It isn't a huge
deal (in spite of the size of this PR, ton of designs), but given that I
have done something similar with crafting recipes before, I may as well
give it a second arc of some sort and bring things to completion. And
fix a few possible oversights.

TL;DR consistency and stuff

## Why It's Good For The Game
Consistency, unit test checks to make it harder not to be consistent in
the future. Still has a few TODOs like:

- [x] Fixed newly printed, fully charged RCDs costing less than the RCD
cartridges required to fully charge one. EDIT: I had to tweak the newly
added RDD as well because it suffered from the same fundamental issue.
- [x] Fixed plates being made of iron and yet shattering like ceramic
ones. A new subtype for metallic ones has been made.

## Changelog

🆑
refactor: Refactored a few things with techweb designs (the ones for
autolathes, protolathes, circuit printers, mechfabs etc.) to make sure
that the materials of items that can be made from these designs more
closely match the materials used to make them.
fix: Lizard fries no longer need a plate to be made, like all other
treats that used to require plates in a distant past.
balance: Tweaked the materials cost of RCD, RDD and RCD cartridges.
image: Oven trays now have a more metallic hue.
balance: Plates printed printed from lathes won't shatter like ceramic
ones, in virtue of them being made out of iron instead.
/🆑
2026-07-06 00:13:02 -07:00

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/obj/item/tank/jetpack
name = "jetpack (oxygen)"
desc = "A tank of compressed gas for use as propulsion in zero-gravity areas. Use with caution."
icon_state = "jetpack"
inhand_icon_state = "jetpack"
lefthand_file = 'icons/mob/inhands/equipment/jetpacks_lefthand.dmi'
righthand_file = 'icons/mob/inhands/equipment/jetpacks_righthand.dmi'
w_class = WEIGHT_CLASS_BULKY
distribute_pressure = ONE_ATMOSPHERE * O2STANDARD
actions_types = list(/datum/action/item_action/set_internals, /datum/action/item_action/toggle_jetpack, /datum/action/item_action/jetpack_stabilization)
/// What gas our jetpack is filled with on initialize
var/gas_type = /datum/gas/oxygen
/// If the jetpack is currently active
var/on = FALSE
/// If the jetpack will stop when you stop moving
var/stabilize = FALSE
/// If the jetpack will have a speedboost in space/nograv or not
var/full_speed = TRUE
/// If our jetpack is disabled, from getting EMPd
var/disabled = FALSE
/// Callback for the jetpack component
var/thrust_callback
/// How much force out jetpack can output per tick
var/drift_force = 1.5 NEWTONS
/obj/item/tank/jetpack/Initialize(mapload)
. = ..()
AddElement(/datum/element/update_icon_updates_onmob, ITEM_SLOT_SUITSTORE)
thrust_callback = CALLBACK(src, PROC_REF(allow_thrust), 0.01)
configure_jetpack(stabilize)
/obj/item/tank/jetpack/Destroy()
thrust_callback = null
return ..()
/**
* configures/re-configures the jetpack component
*
* Arguments
* stabilize - Should this jetpack be stabalized
*/
/obj/item/tank/jetpack/proc/configure_jetpack(stabilize, mob/user = null)
src.stabilize = stabilize
AddComponent( \
/datum/component/jetpack, \
src.stabilize, \
drift_force, \
COMSIG_JETPACK_ACTIVATED, \
COMSIG_JETPACK_DEACTIVATED, \
JETPACK_ACTIVATION_FAILED, \
thrust_callback, \
thrust_callback, \
/datum/effect_system/trail_follow/ion, \
)
if (!isnull(user) && user.get_item_by_slot(slot_flags) == src)
if (!stabilize)
ADD_TRAIT(user, TRAIT_NOGRAV_ALWAYS_DRIFT, JETPACK_TRAIT)
else
REMOVE_TRAIT(user, TRAIT_NOGRAV_ALWAYS_DRIFT, JETPACK_TRAIT)
/obj/item/tank/jetpack/equipped(mob/user, slot, initial)
. = ..()
if(on && !(slot & slot_flags))
turn_off(user)
/obj/item/tank/jetpack/dropped(mob/user, silent)
. = ..()
if(on)
turn_off(user)
/obj/item/tank/jetpack/populate_gas()
if(gas_type)
var/datum/gas_mixture/our_mix = return_air()
our_mix.set_gas(gas_type, ((6 * ONE_ATMOSPHERE) * volume / (R_IDEAL_GAS_EQUATION * T20C)))
/obj/item/tank/jetpack/ui_action_click(mob/user, action)
if(istype(action, /datum/action/item_action/toggle_jetpack))
cycle(user)
else if(istype(action, /datum/action/item_action/jetpack_stabilization))
if(on)
configure_jetpack(!stabilize, user)
to_chat(user, span_notice("You turn the jetpack stabilization [stabilize ? "on" : "off"]."))
else
toggle_internals(user)
/obj/item/tank/jetpack/proc/cycle(mob/user)
if(user.incapacitated)
return
if(!on)
if(turn_on(user))
to_chat(user, span_notice("You turn the jetpack on."))
else
to_chat(user, span_notice("You fail to turn the jetpack on."))
return
else
turn_off(user)
to_chat(user, span_notice("You turn the jetpack off."))
update_item_action_buttons()
/obj/item/tank/jetpack/update_icon_state()
. = ..()
icon_state = "[initial(icon_state)][on ? "-on" : ""]"
/obj/item/tank/jetpack/proc/turn_on(mob/user)
if(disabled)
return FALSE
if(SEND_SIGNAL(src, COMSIG_JETPACK_ACTIVATED, user) & JETPACK_ACTIVATION_FAILED)
return FALSE
on = TRUE
update_icon(UPDATE_ICON_STATE)
if(full_speed)
user.add_movespeed_modifier(/datum/movespeed_modifier/jetpack/full_speed)
if (!stabilize)
ADD_TRAIT(user, TRAIT_NOGRAV_ALWAYS_DRIFT, JETPACK_TRAIT)
return TRUE
/obj/item/tank/jetpack/proc/turn_off(mob/user)
SEND_SIGNAL(src, COMSIG_JETPACK_DEACTIVATED, user)
on = FALSE
update_icon(UPDATE_ICON_STATE)
if(user)
user.remove_movespeed_modifier(/datum/movespeed_modifier/jetpack/full_speed)
REMOVE_TRAIT(user, TRAIT_NOGRAV_ALWAYS_DRIFT, JETPACK_TRAIT)
/obj/item/tank/jetpack/proc/allow_thrust(num, use_fuel = TRUE)
if(!ismob(loc))
return FALSE
var/mob/user = loc
if((num < 0.005 || air_contents.total_moles() < num))
turn_off(user)
return FALSE
// We've got the gas, it's chill
if(!use_fuel)
return TRUE
var/datum/gas_mixture/removed = remove_air(num)
if(removed.total_moles() < 0.005)
turn_off(user)
return FALSE
var/turf/T = get_turf(src)
T.assume_air(removed)
return TRUE
/obj/item/tank/jetpack/suicide_act(mob/living/user)
if (!ishuman(user))
return
var/mob/living/carbon/human/suffocater = user
suffocater.say("WHAT THE FUCK IS CARBON DIOXIDE?")
suffocater.visible_message(span_suicide("[user] is suffocating [user.p_them()]self with [src]! It looks like [user.p_they()] didn't read what that jetpack says!"))
return OXYLOSS
/obj/item/tank/jetpack/emp_act(severity)
. = ..()
if(. & EMP_PROTECT_CONTENTS)
return
if(ismob(loc) && (item_flags & IN_INVENTORY))
var/mob/wearer = loc
turn_off(wearer)
else
turn_off()
update_item_action_buttons()
disabled = TRUE
addtimer(CALLBACK(src, PROC_REF(remove_emp)), 4 SECONDS)
///Removes the disabled flag after getting EMPd
/obj/item/tank/jetpack/proc/remove_emp()
disabled = FALSE
/obj/item/tank/jetpack/improvised
name = "improvised jetpack"
desc = "A jetpack made from two air tanks, a fire extinguisher and some atmospherics equipment. It doesn't look like it can hold much."
icon_state = "jetpack-improvised"
inhand_icon_state = "jetpack-improvised"
worn_icon = null
worn_icon_state = "jetpack-improvised"
volume = 20 //normal jetpacks have 70 volume
gas_type = null //it starts empty
full_speed = FALSE
drift_force = 1 NEWTONS
custom_materials = list(/datum/material/iron = SHEET_MATERIAL_AMOUNT * 5.8, /datum/material/glass = SMALL_MATERIAL_AMOUNT * 3)
/obj/item/tank/jetpack/improvised/allow_thrust(num)
if(!ismob(loc))
return FALSE
var/mob/user = loc
if(rand(0,250) == 0)
to_chat(user, span_notice("You feel your jetpack's engines cut out."))
turn_off(user)
return
return ..()
/obj/item/tank/jetpack/void
name = "void jetpack (oxygen)"
desc = "It works well in a void."
icon_state = "jetpack-void"
inhand_icon_state = "jetpack-void"
/obj/item/tank/jetpack/harness
name = "jet harness (oxygen)"
desc = "A lightweight tactical harness, used by those who don't want to be weighed down by traditional jetpacks."
icon_state = "jetpack-mini"
inhand_icon_state = "jetpack-black"
volume = 40
throw_range = 7
w_class = WEIGHT_CLASS_NORMAL
/obj/item/tank/jetpack/captain
name = "captain's jetpack"
desc = "A compact, lightweight jetpack containing a high amount of compressed oxygen."
icon_state = "jetpack-captain"
inhand_icon_state = "jetpack-captain"
w_class = WEIGHT_CLASS_NORMAL
volume = 90
resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | ACID_PROOF //steal objective items are hard to destroy.
slot_flags = ITEM_SLOT_BACK | ITEM_SLOT_SUITSTORE
drift_force = 2 NEWTONS
/obj/item/tank/jetpack/security
name = "security jetpack (oxygen)"
desc = "A tank of compressed oxygen for use as propulsion in zero-gravity areas by security forces."
icon_state = "jetpack-sec"
inhand_icon_state = "jetpack-sec"
/obj/item/tank/jetpack/carbondioxide
name = "jetpack (carbon dioxide)"
desc = "A tank of compressed carbon dioxide for use as propulsion in zero-gravity areas. Painted black to indicate that it should not be used as a source for internals."
icon_state = "jetpack-black"
inhand_icon_state = "jetpack-black"
distribute_pressure = 0
gas_type = /datum/gas/carbon_dioxide
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