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Bubberstation/code/datums/components/forensics.dm
SkyratBot 1ef64e81ba [MIRROR] Changes how fingerprints are applied to objects through gloves. [MDB IGNORE] (#12340) 
* Changes how fingerprints are applied to objects through gloves. (#65674)

* Changes how fingerprints are applied to objects through gloves.

* Fixed the issues from transfer_prints

Co-authored-by: Wallem <66052067+Wallemations@users.noreply.github.com>
Co-authored-by: GoldenAlpharex <jerego1234@hotmail.com>
2022-03-28 17:47:03 +00:00

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/datum/component/forensics
dupe_mode = COMPONENT_DUPE_UNIQUE
can_transfer = TRUE
var/list/fingerprints //assoc print = print
var/list/hiddenprints //assoc ckey = realname/gloves/ckey
var/list/blood_DNA //assoc dna = bloodtype
var/list/fibers //assoc print = print
/datum/component/forensics/InheritComponent(datum/component/forensics/F, original) //Use of | and |= being different here is INTENTIONAL.
fingerprints = LAZY_LISTS_OR(fingerprints, F.fingerprints)
hiddenprints = LAZY_LISTS_OR(hiddenprints, F.hiddenprints)
blood_DNA = LAZY_LISTS_OR(blood_DNA, F.blood_DNA)
fibers = LAZY_LISTS_OR(fibers, F.fibers)
check_blood()
return ..()
/datum/component/forensics/Initialize(new_fingerprints, new_hiddenprints, new_blood_DNA, new_fibers)
if(!isatom(parent))
return COMPONENT_INCOMPATIBLE
fingerprints = new_fingerprints
hiddenprints = new_hiddenprints
blood_DNA = new_blood_DNA
fibers = new_fibers
check_blood()
/datum/component/forensics/RegisterWithParent()
check_blood()
RegisterSignal(parent, COMSIG_COMPONENT_CLEAN_ACT, .proc/clean_act)
/datum/component/forensics/UnregisterFromParent()
UnregisterSignal(parent, list(COMSIG_COMPONENT_CLEAN_ACT))
/datum/component/forensics/PostTransfer()
if(!isatom(parent))
return COMPONENT_INCOMPATIBLE
/datum/component/forensics/proc/wipe_fingerprints()
fingerprints = null
return TRUE
/datum/component/forensics/proc/wipe_hiddenprints()
return //no.
/datum/component/forensics/proc/wipe_blood_DNA()
blood_DNA = null
return TRUE
/datum/component/forensics/proc/wipe_fibers()
fibers = null
return TRUE
/datum/component/forensics/proc/clean_act(datum/source, clean_types)
SIGNAL_HANDLER
. = NONE
if(clean_types & CLEAN_TYPE_FINGERPRINTS)
wipe_fingerprints()
. = COMPONENT_CLEANED
if(clean_types & CLEAN_TYPE_BLOOD)
wipe_blood_DNA()
. = COMPONENT_CLEANED
if(clean_types & CLEAN_TYPE_FIBERS)
wipe_fibers()
. = COMPONENT_CLEANED
/datum/component/forensics/proc/add_fingerprint_list(list/_fingerprints) //list(text)
if(!length(_fingerprints))
return
LAZYINITLIST(fingerprints)
for(var/i in _fingerprints) //We use an associative list, make sure we don't just merge a non-associative list into ours.
fingerprints[i] = i
return TRUE
/datum/component/forensics/proc/add_fingerprint(mob/living/M, ignoregloves = FALSE)
if(!isliving(M))
if(!iscameramob(M))
return
if(isaicamera(M))
var/mob/camera/ai_eye/ai_camera = M
if(!ai_camera.ai)
return
M = ai_camera.ai
add_hiddenprint(M)
if(ishuman(M))
var/mob/living/carbon/human/H = M
add_fibers(H)
var/obj/item/gloves = H.gloves
if(gloves) //Check if the gloves (if any) hide fingerprints
if(!(gloves.body_parts_covered & HANDS) || HAS_TRAIT(gloves, TRAIT_FINGERPRINT_PASSTHROUGH) || HAS_TRAIT(H, TRAIT_FINGERPRINT_PASSTHROUGH))
ignoregloves = TRUE
if(!ignoregloves)
H.gloves.add_fingerprint(H, TRUE) //ignoregloves = 1 to avoid infinite loop.
return
var/full_print = md5(H.dna.unique_identity)
LAZYSET(fingerprints, full_print, full_print)
return TRUE
/datum/component/forensics/proc/add_fiber_list(list/_fibertext) //list(text)
if(!length(_fibertext))
return
LAZYINITLIST(fibers)
for(var/i in _fibertext) //We use an associative list, make sure we don't just merge a non-associative list into ours.
fibers[i] = i
return TRUE
/datum/component/forensics/proc/add_fibers(mob/living/carbon/human/M)
var/fibertext
var/item_multiplier = isitem(src)?1.2:1
if(M.wear_suit)
fibertext = "Material from \a [M.wear_suit]."
if(prob(10*item_multiplier) && !LAZYACCESS(fibers, fibertext))
LAZYSET(fibers, fibertext, fibertext)
if(!(M.wear_suit.body_parts_covered & CHEST))
if(M.w_uniform)
fibertext = "Fibers from \a [M.w_uniform]."
if(prob(12*item_multiplier) && !LAZYACCESS(fibers, fibertext)) //Wearing a suit means less of the uniform exposed.
LAZYSET(fibers, fibertext, fibertext)
if(!(M.wear_suit.body_parts_covered & HANDS))
if(M.gloves)
fibertext = "Material from a pair of [M.gloves.name]."
if(prob(20*item_multiplier) && !LAZYACCESS(fibers, fibertext))
LAZYSET(fibers, fibertext, fibertext)
else if(M.w_uniform)
fibertext = "Fibers from \a [M.w_uniform]."
if(prob(15*item_multiplier) && !LAZYACCESS(fibers, fibertext))
// "Added fibertext: [fibertext]"
LAZYSET(fibers, fibertext, fibertext)
if(M.gloves)
fibertext = "Material from a pair of [M.gloves.name]."
if(prob(20*item_multiplier) && !LAZYACCESS(fibers, fibertext))
LAZYSET(fibers, fibertext, fibertext)
else if(M.gloves)
fibertext = "Material from a pair of [M.gloves.name]."
if(prob(20*item_multiplier) && !LAZYACCESS(fibers, fibertext))
LAZYSET(fibers, fibertext, fibertext)
return TRUE
/datum/component/forensics/proc/add_hiddenprint_list(list/_hiddenprints) //list(ckey = text)
if(!length(_hiddenprints))
return
LAZYINITLIST(hiddenprints)
for(var/i in _hiddenprints) //We use an associative list, make sure we don't just merge a non-associative list into ours.
hiddenprints[i] = _hiddenprints[i]
return TRUE
/datum/component/forensics/proc/add_hiddenprint(mob/M)
if(!isliving(M))
if(!iscameramob(M))
return
if(isaicamera(M))
var/mob/camera/ai_eye/ai_camera = M
if(!ai_camera.ai)
return
M = ai_camera.ai
if(!M.key)
return
var/hasgloves = ""
if(ishuman(M))
var/mob/living/carbon/human/H = M
if(H.gloves)
hasgloves = "(gloves)"
var/current_time = time_stamp()
if(!LAZYACCESS(hiddenprints, M.key))
LAZYSET(hiddenprints, M.key, "First: \[[current_time]\] \"[M.real_name]\"[hasgloves]. Ckey: [M.ckey]")
else
var/laststamppos = findtext(LAZYACCESS(hiddenprints, M.key), "\nLast: ")
if(laststamppos)
LAZYSET(hiddenprints, M.key, copytext(hiddenprints[M.key], 1, laststamppos))
hiddenprints[M.key] += "\nLast: \[[current_time]\] \"[M.real_name]\"[hasgloves]. Ckey: [M.ckey]" //made sure to be existing by if(!LAZYACCESS);else
var/atom/A = parent
A.fingerprintslast = M.ckey
return TRUE
/datum/component/forensics/proc/add_blood_DNA(list/dna) //list(dna_enzymes = type)
if(!length(dna))
return
LAZYINITLIST(blood_DNA)
for(var/i in dna)
blood_DNA[i] = dna[i]
check_blood()
return TRUE
/datum/component/forensics/proc/check_blood()
if(!isitem(parent))
return
if(!length(blood_DNA))
return
parent.AddElement(/datum/element/decal/blood)
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