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S.P.L.U.R.T-Station-13/code/datums/diseases/dna_spread.dm
2020-01-12 14:28:01 +00:00

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/datum/disease/dnaspread
name = "Space Retrovirus"
max_stages = 4
spread_text = "On contact"
spread_flags = DISEASE_SPREAD_BLOOD | DISEASE_SPREAD_CONTACT_SKIN | DISEASE_SPREAD_CONTACT_FLUIDS
cure_text = "Mutadone"
cures = list(/datum/reagent/medicine/mutadone)
disease_flags = CAN_CARRY|CAN_RESIST|CURABLE
agent = "S4E1 retrovirus"
viable_mobtypes = list(/mob/living/carbon/human)
var/datum/dna/original_dna = null
var/transformed = 0
desc = "This disease transplants the genetic code of the initial vector into new hosts."
severity = DISEASE_SEVERITY_MEDIUM
/datum/disease/dnaspread/stage_act()
..()
if(!affected_mob.dna)
cure()
if((NOTRANSSTING in affected_mob.dna.species.species_traits) || (NO_DNA_COPY in affected_mob.dna.species.species_traits)) //Only species that can be spread by transformation sting can be spread by the retrovirus
cure()
if(!strain_data["dna"])
//Absorbs the target DNA.
strain_data["dna"] = new affected_mob.dna.type
affected_mob.dna.copy_dna(strain_data["dna"])
carrier = TRUE
stage = 4
return
switch(stage)
if(2 || 3) //Pretend to be a cold and give time to spread.
if(prob(8))
affected_mob.emote("sneeze")
if(prob(8))
affected_mob.emote("cough")
if(prob(1))
to_chat(affected_mob, "<span class='danger'>Your muscles ache.</span>")
if(prob(20))
affected_mob.take_bodypart_damage(1)
if(prob(1))
to_chat(affected_mob, "<span class='danger'>Your stomach hurts.</span>")
if(prob(20))
affected_mob.adjustToxLoss(2)
affected_mob.updatehealth()
if(4)
if(!transformed && !carrier)
//Save original dna for when the disease is cured.
original_dna = new affected_mob.dna.type
affected_mob.dna.copy_dna(original_dna)
to_chat(affected_mob, "<span class='danger'>You don't feel like yourself..</span>")
var/datum/dna/transform_dna = strain_data["dna"]
transform_dna.transfer_identity(affected_mob, transfer_SE = 1)
affected_mob.real_name = affected_mob.dna.real_name
affected_mob.updateappearance(mutcolor_update=1)
affected_mob.domutcheck()
transformed = 1
carrier = 1 //Just chill out at stage 4
return
/datum/disease/dnaspread/Destroy()
if (original_dna && transformed && affected_mob)
original_dna.transfer_identity(affected_mob, transfer_SE = 1)
affected_mob.real_name = affected_mob.dna.real_name
affected_mob.updateappearance(mutcolor_update=1)
affected_mob.domutcheck()
to_chat(affected_mob, "<span class='notice'>You feel more like yourself.</span>")
return ..()