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Paradise/code/modules/reagents/reagent_containers/iv_bag.dm
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AlanGitHubCRUNCH
 efd0f2b0af Add blind messages to IV bags. (#32366) 
* Add blind messages to IV bags.

* Add fingerprints too.

* Fix attack chain test?

* Apply suggestions from CRUNCH review.

Co-authored-by: CRUNCH <143041327+CRUNCH-Borg@users.noreply.github.com>
Signed-off-by: Alan <alfalfascout@users.noreply.github.com>

---------

Signed-off-by: Alan <alfalfascout@users.noreply.github.com>
Co-authored-by: CRUNCH <143041327+CRUNCH-Borg@users.noreply.github.com>
2026-08-12 23:30:31 +00:00

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#define IV_DRAW 0
#define IV_INJECT 1
/obj/item/reagent_containers/iv_bag
name = "\improper IV Bag"
desc = "A bag with a fine needle attached at the end for injecting patients with fluids over a period of time."
icon = 'icons/goonstation/objects/iv.dmi'
lefthand_file = 'icons/goonstation/mob/inhands/items_lefthand.dmi'
righthand_file = 'icons/goonstation/mob/inhands/items_righthand.dmi'
icon_state = "ivbag"
volume = 200
/// Everything above 10 is NOT usable on a person and is instead used for transferring to other containers.
possible_transfer_amounts = list(1, 5, 10, 15, 20, 25, 30, 50)
amount_per_transfer_from_this = 1
container_type = OPENCONTAINER
resistance_flags = ACID_PROOF
materials = list(MAT_PLASTIC = 4000)
var/label_text
var/mode = IV_INJECT
var/mob/living/carbon/human/injection_target
var/injection_action_delay = 3 SECONDS
/obj/item/reagent_containers/iv_bag/Initialize(mapload)
. = ..()
RegisterSignal(src, COMSIG_TETHER_DESTROYED, PROC_REF(tether_snapped))
/obj/item/reagent_containers/iv_bag/Destroy()
end_processing()
return ..()
/obj/item/reagent_containers/iv_bag/on_reagent_change()
update_icon(UPDATE_OVERLAYS)
/obj/item/reagent_containers/iv_bag/pickup(mob/user)
. = ..()
update_icon(UPDATE_OVERLAYS)
/obj/item/reagent_containers/iv_bag/dropped(mob/user)
..()
update_icon(UPDATE_OVERLAYS)
/obj/item/reagent_containers/iv_bag/activate_self(mob/user)
if(..())
return
mode = !mode
update_icon(UPDATE_OVERLAYS)
/obj/item/reagent_containers/iv_bag/attack_hand()
..()
update_icon(UPDATE_OVERLAYS)
/obj/item/reagent_containers/iv_bag/proc/on_examine(datum/source, mob/examiner, list/examine_list)
SIGNAL_HANDLER // COMSIG_PARENT_EXAMINE
examine_list += SPAN_NOTICE("[source.p_they(TRUE)] [source.p_have()] an active IV bag.")
/obj/item/reagent_containers/iv_bag/proc/begin_processing(mob/target)
injection_target = target
if(target.viruses)
AddComponent(/datum/component/viral_contamination, target.viruses)
RegisterSignal(injection_target, COMSIG_PARENT_EXAMINE, PROC_REF(on_examine))
START_PROCESSING(SSobj, src)
update_iv_type()
/obj/item/reagent_containers/iv_bag/proc/update_iv_type()
var/target = injection_target
injection_target = null
SEND_SIGNAL(src, COMSIG_TETHER_STOP)
injection_target = target
if(!injection_target)
return
if(istype(loc, /obj/machinery/iv_drip))
injection_target.AddComponent(/datum/component/tether, src, 2, 50, "iv_tether", "tubing")
else
injection_target.AddComponent(/datum/component/tether, src, 1, 5, "iv_tether", "tubing")
/obj/item/reagent_containers/iv_bag/proc/end_processing(send_signal = TRUE)
if(injection_target)
UnregisterSignal(injection_target, COMSIG_PARENT_EXAMINE)
injection_target = null
STOP_PROCESSING(SSobj, src)
if(send_signal)
SEND_SIGNAL(src, COMSIG_TETHER_STOP)
/obj/item/reagent_containers/iv_bag/proc/tether_snapped()
if(!injection_target)
return
to_chat(injection_target, SPAN_USERDANGER("[src]'s needle is ripped out of you!"))
injection_target.apply_damage(3, BRUTE, pick("r_arm", "l_arm"))
end_processing(FALSE)
/obj/item/reagent_containers/iv_bag/process()
if(QDELETED(injection_target))
end_processing()
return
if(amount_per_transfer_from_this > 10)
// Prevents people from switching to illegal transfer values while the IV is already in someone, i.e. anything over 10.
visible_message(
SPAN_DANGER("The IV bag's needle pops out of [injection_target]'s body. The transfer amount is too high!"),
SPAN_DANGER("The IV bag's needle pops out of [injection_target]'s body. The transfer amount is too high!")
)
end_processing()
return
if(mode) // Injecting
if(reagents.total_volume)
// The amount of reagents we'll transfer to the person.
var/fraction = min(amount_per_transfer_from_this/reagents.total_volume, 1)
// React the amount we're transfering.
reagents.reaction(injection_target, REAGENT_INGEST, fraction)
reagents.trans_to(injection_target, amount_per_transfer_from_this)
update_icon(UPDATE_OVERLAYS)
else // Drawing
if(reagents.total_volume < reagents.maximum_volume)
injection_target.transfer_blood_to(src, amount_per_transfer_from_this)
// Pull small amounts of reagents from the person while drawing blood
for(var/datum/reagent/reagent in injection_target.reagents.reagent_list)
if(reagent.id in GLOB.blocked_chems)
continue
injection_target.reagents.trans_id_to(src, reagent.id, amount_per_transfer_from_this / 10)
update_icon(UPDATE_OVERLAYS)
/obj/item/reagent_containers/iv_bag/mob_act(mob/target, mob/living/user)
. = TRUE
if(!target.reagents)
return FALSE
var/mob/living/L = target
if(istype(L))
if(injection_target) // Removing the needle.
if(L != injection_target)
to_chat(user, SPAN_WARNING("[src] is already inserted into [injection_target]'s body!"))
return
if(L != user)
L.visible_message(
SPAN_DANGER("[user] is trying to remove [src]'s needle from [L]'s body!"),
SPAN_USERDANGER("[user] is trying to remove [src]'s needle from [L]'s body!"),
SPAN_DANGER("[user] is trying to remove [src]'s needle from [L]'s body!")
)
if(!do_mob(user, L, injection_action_delay))
return
L.visible_message(
SPAN_DANGER("[user] removes [src]'s needle from [L]'s body!"),
SPAN_USERDANGER("[user] removes [src]'s needle from [L]'s body!"),
SPAN_DANGER("[user] removes [src]'s needle from [L]'s body!")
)
add_fingerprint(user)
end_processing()
else // Inserting the needle.
if(!L.can_inject(user, TRUE))
return
if(amount_per_transfer_from_this > 10)
// We only want to be able to transfer 1, 5, or 10 units to people.
// Higher numbers are for transfering to other containers.
to_chat(user, SPAN_WARNING("The IV bag can only be used on someone with a transfer amount of 1, 5 or 10."))
return
if(L != user)
L.visible_message(
SPAN_DANGER("[user] is trying to insert [src]'s needle into [L]'s body!"),
SPAN_USERDANGER("[user] is trying to insert [src]'s needle into [L]'s body!"),
SPAN_DANGER("[user] is trying to insert [src]'s needle into [L]'s body!")
)
if(!do_mob(user, L, injection_action_delay))
return
L.visible_message(
SPAN_DANGER("[user] inserts [src]'s needle into [L]'s body!"),
SPAN_USERDANGER("[user] inserts [src]'s needle into [L]'s body!"),
SPAN_DANGER("[user] inserts [src]'s needle into [L]'s body!")
)
add_fingerprint(user)
begin_processing(L)
/obj/item/reagent_containers/iv_bag/normal_act(atom/target, mob/living/user)
. = TRUE
if(!target.reagents)
return FALSE
if(target.is_refillable() && is_drainable())
// Transferring from IV bag to other containers.
if(!reagents.total_volume)
to_chat(user, SPAN_WARNING("[src] is empty."))
return
if(target.reagents.total_volume >= target.reagents.maximum_volume)
to_chat(user, SPAN_WARNING("[target] is full."))
return
var/trans = reagents.trans_to(target, amount_per_transfer_from_this)
to_chat(user, SPAN_NOTICE("You transfer [trans] units of the solution to [target]."))
else if(istype(target, /obj/item/reagent_containers/glass) && !target.is_open_container())
to_chat(user, SPAN_WARNING("You cannot fill [target] while it is sealed."))
return
/obj/item/reagent_containers/iv_bag/update_overlays()
. = ..()
if(reagents.total_volume)
// We round the 1's place off of our percent for easy image processing.
var/percent = round((reagents.total_volume / volume) * 10)
var/image/filling = image('icons/goonstation/objects/iv.dmi', src, "[icon_state][percent]")
filling.icon += mix_color_from_reagents(reagents.reagent_list)
. += filling
if(ismob(loc))
switch(mode)
if(IV_DRAW)
. += "draw"
if(IV_INJECT)
. += "inject"
/obj/item/reagent_containers/iv_bag/item_interaction(mob/living/user, obj/item/used, list/modifiers)
if(is_pen(used))
rename_interactive(user, used)
return ITEM_INTERACT_COMPLETE
// PRE-FILLED IV BAGS BELOW
/obj/item/reagent_containers/iv_bag/salglu
list_reagents = list("salglu_solution" = 200)
/obj/item/reagent_containers/iv_bag/salglu/Initialize(mapload)
. = ..()
name = "[initial(name)] - Saline Glucose"
/// Don't use this - just an abstract type to allow blood bags to have a common blood_type var for ease of creation.
/obj/item/reagent_containers/iv_bag/blood
var/blood_type
var/blood_species = "Synthetic humanoid"
var/iv_blood_colour = "#A10808"
var/one_species_only = FALSE
amount_per_transfer_from_this = 5 // Bloodbags are set to transfer 5 units by default.
/obj/item/reagent_containers/iv_bag/blood/Initialize(mapload)
. = ..()
if(blood_type != null)
name = "[initial(name)] - [blood_type]"
reagents.add_reagent(
"blood",
200,
list(
"donor" = null,
"viruses" = null,
"blood_DNA" = null,
"blood_type" = blood_type,
"blood_colour" = iv_blood_colour,
"resistances" = null,
"trace_chem" = null,
"species" = blood_species,
"species_only" = one_species_only
)
)
update_icon(UPDATE_OVERLAYS)
/obj/item/reagent_containers/iv_bag/blood/random/Initialize(mapload)
blood_type = pick("A+", "A-", "B+", "B-", "O+", "O-")
return ..()
/obj/item/reagent_containers/iv_bag/blood/a_plus
blood_type = "A+"
/obj/item/reagent_containers/iv_bag/blood/a_minus
blood_type = "A-"
/obj/item/reagent_containers/iv_bag/blood/b_plus
blood_type = "B+"
/obj/item/reagent_containers/iv_bag/blood/b_minus
blood_type = "B-"
/obj/item/reagent_containers/iv_bag/blood/o_plus
blood_type = "O+"
/obj/item/reagent_containers/iv_bag/blood/o_minus
blood_type = "O-"
/obj/item/reagent_containers/iv_bag/blood/vox
blood_type = "O-"
blood_species = "Vox"
iv_blood_colour = "#2299FC"
one_species_only = TRUE
/obj/item/reagent_containers/iv_bag/blood/vox/Initialize(mapload)
. = ..()
name = "[initial(name)] - O- Vox Blood"
/obj/item/reagent_containers/iv_bag/slime
list_reagents = list("slimejelly" = 200)
/obj/item/reagent_containers/iv_bag/slime/Initialize(mapload)
. = ..()
name = "[initial(name)] - Slime Jelly"
#undef IV_DRAW
#undef IV_INJECT
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