You can now click on symptoms in the Pandemic to see their description and stats (#29866)

* You can now click on symptoms in the Pandemic to see their description and stats

* Threshold info

* NO WHITESPACE

code/controllers/subsystem/disease.dm

@@ -14,3 +14,10 @@ SUBSYSTEM_DEF(disease)
 
 /datum/controller/subsystem/disease/stat_entry(msg)
 	..("P:[active_diseases.len]")
+
+/datum/controller/subsystem/disease/proc/get_disease_name(id)
+	var/datum/disease/advance/A = archive_diseases[id]
+	if(A.name)
+		return A.name
+	else
+		return "Unknown"

code/datums/diseases/advance/presets.dm

@@ -34,20 +34,20 @@
 	..(process, D, copy)
 
 
-// Hullucigen
+// Hallucigen
 
-/datum/disease/advance/hullucigen/New(var/process = TRUE, var/datum/disease/advance/D, var/copy = FALSE)
+/datum/disease/advance/hallucigen/New(var/process = TRUE, var/datum/disease/advance/D, var/copy = FALSE)
 	if(!D)
-		name = "Reality Impairment"
+		name = "Second Sight"
 		symptoms = list(new/datum/symptom/hallucigen)
 	..(process, D, copy)
 
 // Sensory Restoration
 
-/datum/disease/advance/sensory_restoration/New(var/process = TRUE, var/datum/disease/advance/D, var/copy = FALSE)
+/datum/disease/advance/mind_restoration/New(var/process = TRUE, var/datum/disease/advance/D, var/copy = FALSE)
 	if(!D)
-		name = "Reality Enhancer"
-		symptoms = list(new/datum/symptom/sensory_restoration)
+		name = "Intelligence Booster"
+		symptoms = list(new/datum/symptom/mind_restoration)
 	..(process, D, copy)
 
 // Sensory Destruction

code/datums/diseases/advance/symptoms/beard.dm

@@ -17,6 +17,7 @@ BONUS
 /datum/symptom/beard
 
 	name = "Facial Hypertrichosis"
+	desc = "The virus increases hair production significantly, causing rapid beard growth."
 	stealth = -3
 	resistance = -1
 	stage_speed = -3

code/datums/diseases/advance/symptoms/choking.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/choking
 
 	name = "Choking"
+	desc = "The virus causes inflammation of the host's air conduits, leading to intermittent choking."
 	stealth = -3
 	resistance = -2
 	stage_speed = -2
@@ -27,6 +28,8 @@ Bonus
 	base_message_chance = 15
 	symptom_delay_min = 10
 	symptom_delay_max = 30
+	threshold_desc = "<b>Stage Speed 8:</b> Causes choking more frequently.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/choking/Start(datum/disease/advance/A)
 	..()
@@ -84,6 +87,7 @@ Bonus
 /datum/symptom/asphyxiation
 
 	name = "Acute respiratory distress syndrome"
+	desc = "The virus causes shrinking of the host's lungs, causing severe asphyxiation. May also lead to heart attacks."
 	stealth = -2
 	resistance = -0
 	stage_speed = -1

code/datums/diseases/advance/symptoms/confusion.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/confusion
 
 	name = "Confusion"
+	desc = "The virus interferes with the proper function of the neural system, leading to bouts of confusion and erratic movement."
 	stealth = 1
 	resistance = -1
 	stage_speed = -3
@@ -28,6 +29,9 @@ Bonus
 	symptom_delay_min = 10
 	symptom_delay_max = 30
 	var/brain_damage = FALSE
+	threshold_desc = "<b>Resistance 6:</b> Causes brain damage over time.<br>\
+					  <b>Transmission 6:</b> Increases confusion duration.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/confusion/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/cough.dm

@@ -18,6 +18,7 @@ BONUS
 /datum/symptom/cough
 
 	name = "Cough"
+	desc = "The virus irritates the throat of the host, causing occasional coughing."
 	stealth = -1
 	resistance = 3
 	stage_speed = 1
@@ -28,6 +29,11 @@ BONUS
 	symptom_delay_min = 2
 	symptom_delay_max = 15
 	var/infective = FALSE
+	threshold_desc = "<b>Resistance 3:</b> Host will drop small items when coughing.<br>\
+					  <b>Resistance 10:</b> Occasionally causes coughing fits that stun the host.<br>\
+					  <b>Stage Speed 6:</b> Increases cough frequency.<br>\
+					  <b>If Airborne:</b> Coughing will infect bystanders.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/cough/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/deafness.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/deafness
 
 	name = "Deafness"
+	desc = "The virus causes inflammation of the eardrums, causing intermittent deafness."
 	stealth = -1
 	resistance = -2
 	stage_speed = -1
@@ -27,6 +28,8 @@ Bonus
 	base_message_chance = 100
 	symptom_delay_min = 25
 	symptom_delay_max = 80
+	threshold_desc = "<b>Resistance 9:</b> Causes permanent deafness, instead of intermittent.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/deafness/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/dizzy.dm

@@ -18,7 +18,7 @@ Bonus
 /datum/symptom/dizzy // Not the egg
 
 	name = "Dizziness"
-	stealth = 2
+	desc = "The virus causes inflammation of the vestibular system, leading to bouts of dizziness."
 	resistance = -2
 	stage_speed = -3
 	transmittable = -1
@@ -27,6 +27,8 @@ Bonus
 	base_message_chance = 50
 	symptom_delay_min = 15
 	symptom_delay_max = 40
+	threshold_desc = "<b>Transmission 6:</b> Also causes druggy vision.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/dizzy/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/fever.dm

@@ -16,8 +16,8 @@ Bonus
 */
 
 /datum/symptom/fever
-
 	name = "Fever"
+	desc = "The virus causes a febrile response from the host, raising its body temperature."
 	stealth = 0
 	resistance = 3
 	stage_speed = 3
@@ -28,6 +28,8 @@ Bonus
 	symptom_delay_min = 10
 	symptom_delay_max = 30
 	var/unsafe = FALSE //over the heat threshold
+	threshold_desc = "<b>Resistance 5:</b> Increases fever intensity, fever can overheat and harm the host.<br>\
+					  <b>Resistance 10:</b> Further increases fever intensity."
 
 /datum/symptom/fever/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/fire.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/fire
 
 	name = "Spontaneous Combustion"
+	desc = "The virus turns fat into an extremely flammable compound, and raises the body's temperature, making the host burst into flames spontaneously."
 	stealth = 1
 	resistance = -4
 	stage_speed = -4
@@ -28,6 +29,10 @@ Bonus
 	symptom_delay_min = 20
 	symptom_delay_max = 75
 	var/infective = FALSE
+	threshold_desc = "<b>Stage Speed 4:</b> Increases the intensity of the flames.<br>\
+					  <b>Stage Speed 8:</b> Further increases flame intensity.<br>\
+					  <b>Transmission 8:</b> Host will spread the virus through skin flakes when bursting into flame.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/fire/Start(datum/disease/advance/A)
 	..()
@@ -94,6 +99,7 @@ Bonus
 /datum/symptom/alkali
 
 	name = "Alkali perspiration"
+	desc = "The virus attaches to sudoriparous glands, synthesizing a chemical that bursts into flames when reacting with water, leading to self-immolation."
 	stealth = 2
 	resistance = -2
 	stage_speed = -2
@@ -105,6 +111,9 @@ Bonus
 	symptom_delay_max = 90
 	var/chems = FALSE
 	var/explosion_power = 1
+	threshold_desc = "<b>Resistance 9:</b> Doubles the intensity of the effect, but reduces its frequency.<br>\
+					  <b>Stage Speed 8:</b> Increases explosion radius when the host is wet.<br>\
+					  <b>Transmission 8:</b> Additionally synthesizes chlorine trifluoride and napalm inside the host."
 
 /datum/symptom/alkali/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/flesh_eating.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/flesh_eating
 
 	name = "Necrotizing Fasciitis"
+	desc = "The virus aggressively attacks body cells, necrotizing tissues and organs."
 	stealth = -3
 	resistance = -4
 	stage_speed = 0
@@ -29,6 +30,8 @@ Bonus
 	symptom_delay_max = 60
 	var/bleed = FALSE
 	var/pain = FALSE
+	threshold_desc = "<b>Resistance 7:</b> Host will bleed profusely during necrosis.<br>\
+					  <b>Transmission 8:</b> Causes extreme pain to the host, weakening it."
 
 /datum/symptom/flesh_eating/Start(datum/disease/advance/A)
 	..()
@@ -80,6 +83,7 @@ Bonus
 /datum/symptom/flesh_death
 
 	name = "Autophagocytosis Necrosis"
+	desc = "The virus rapidly consumes infected cells, leading to heavy and widespread damage."
 	stealth = -2
 	resistance = -2
 	stage_speed = 1
@@ -91,6 +95,8 @@ Bonus
 	symptom_delay_max = 6
 	var/chems = FALSE
 	var/zombie = FALSE
+	threshold_desc = "<b>Stage Speed 7:</b> Synthesizes Heparin and Lipolicide inside the host, causing increased bleeding and hunger.<br>\
+					  <b>Stealth 5:</b> The symptom remains hidden until active."
 
 /datum/symptom/flesh_death/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/genetics.dm

@@ -16,8 +16,8 @@ Bonus
 */
 
 /datum/symptom/genetic_mutation
-
 	name = "Deoxyribonucleic Acid Saboteur"
+	desc = "The virus bonds with the DNA of the host, causing damaging mutations until removed."
 	stealth = -2
 	resistance = -3
 	stage_speed = 0
@@ -30,6 +30,9 @@ Bonus
 	symptom_delay_min = 60
 	symptom_delay_max = 120
 	var/no_reset = FALSE
+	threshold_desc = "<b>Resistance 8:</b> Causes two harmful mutations at once.<br>\
+					  <b>Stage Speed 10:</b> Increases mutation frequency.<br>\
+					  <b>Stealth 5:</b> The mutations persist even if the virus is cured."
 
 /datum/symptom/genetic_mutation/Activate(datum/disease/advance/A)
 	if(!..())

code/datums/diseases/advance/symptoms/hallucigen.dm

@@ -16,8 +16,8 @@ Bonus
 */
 
 /datum/symptom/hallucigen
-
 	name = "Hallucigen"
+	desc = "The virus stimulates the brain, causing occasional hallucinations."
 	stealth = -2
 	resistance = -3
 	stage_speed = -3
@@ -28,6 +28,8 @@ Bonus
 	symptom_delay_min = 25
 	symptom_delay_max = 90
 	var/fake_healthy = FALSE
+	threshold_desc = "<b>Stage Speed 7:</b> Increases the amount of hallucinations.<br>\
+					  <b>Stealth 4:</b> The virus mimics positive symptoms.."
 
 /datum/symptom/hallucigen/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/headache.dm

@@ -19,6 +19,7 @@ BONUS
 /datum/symptom/headache
 
 	name = "Headache"
+	desc = "The virus causes inflammation inside the brain, causing constant headaches."
 	stealth = -1
 	resistance = 4
 	stage_speed = 2
@@ -28,6 +29,9 @@ BONUS
 	base_message_chance = 100
 	symptom_delay_min = 15
 	symptom_delay_max = 30
+	threshold_desc = "<b>Stage Speed 6:</b> Headaches will cause severe pain, that weakens the host.<br>\
+					  <b>Stage Speed 9:</b> Headaches become less frequent but far more intense, preventing any action from the host.<br>\
+					  <b>Stealth 4:</b> Reduces headache frequency until later stages."
 
 /datum/symptom/headache/Start(datum/disease/advance/A)
 	..()
@@ -45,11 +49,11 @@ BONUS
 		return
 	var/mob/living/M = A.affected_mob
 	if(power < 2)
-		if(prob(base_message_chance))
+		if(prob(base_message_chance) || A.stage >=4)
 			to_chat(M, "<span class='warning'>[pick("Your head hurts.", "Your head pounds.")]</span>")
-	if(power >= 2)
+	if(power >= 2 && A.stage >= 4)
 		to_chat(M, "<span class='warning'>[pick("Your head hurts a lot.", "Your head pounds incessantly.")]</span>")
 		M.adjustStaminaLoss(25)
-	if(power >= 3)
+	if(power >= 3 && A.stage >= 5)
 		to_chat(M, "<span class='userdanger'>[pick("Your head hurts!", "You feel a burning knife inside your brain!", "A wave of pain fills your head!")]</span>")
 		M.Stun(35)

code/datums/diseases/advance/symptoms/heal.dm

@@ -1,5 +1,6 @@
 /datum/symptom/heal
 	name = "Basic Healing (does nothing)" //warning for adminspawn viruses
+	desc = "You should not be seeing this."
 	stealth = 1
 	resistance = -4
 	stage_speed = -4
@@ -9,6 +10,9 @@
 	symptom_delay_min = 1
 	symptom_delay_max = 1
 	var/hide_healing = FALSE
+	threshold_desc = "<b>Stage Speed 6:</b> Doubles healing speed.<br>\
+					  <b>Stage Speed 11:</b> Triples healing speed.<br>\
+					  <b>Stealth 4:</b> Healing will no longer be visible to onlookers."
 
 /datum/symptom/heal/Start(datum/disease/advance/A)
 	..()
@@ -51,6 +55,7 @@ Bonus
 
 /datum/symptom/heal/toxin
 	name = "Toxic Filter"
+	desc = "The virus synthesizes regenerative chemicals in the bloodstream, repairing damage caused by toxins."
 	stealth = 1
 	resistance = -4
 	stage_speed = -4
@@ -87,6 +92,7 @@ Bonus
 	stage_speed = -2
 	transmittable = -2
 	level = 8
+	desc = "The virus stimulates production of special stem cells in the bloodstream, causing rapid reparation of any damage caused by toxins."
 
 /datum/symptom/heal/toxin/plus/Heal(mob/living/M, datum/disease/advance/A)
 	var/heal_amt = 2 * power
@@ -115,6 +121,7 @@ Bonus
 /datum/symptom/heal/brute
 
 	name = "Regeneration"
+	desc = "The virus stimulates the regenerative process in the host, causing faster wound healing."
 	stealth = 1
 	resistance = -4
 	stage_speed = -4
@@ -158,6 +165,7 @@ Bonus
 /datum/symptom/heal/brute/plus
 
 	name = "Flesh Mending"
+	desc = "The virus rapidly mutates into body cells, effectively allowing it to quickly fix the host's wounds."
 	stealth = 0
 	resistance = 0
 	stage_speed = -2
@@ -207,6 +215,7 @@ Bonus
 /datum/symptom/heal/burn
 
 	name = "Tissue Regrowth"
+	desc = "The virus recycles dead and burnt tissues, speeding up the healing of damage caused by burns."
 	stealth = 1
 	resistance = -4
 	stage_speed = -4
@@ -248,7 +257,8 @@ Bonus
 
 /datum/symptom/heal/burn/plus
 
-	name = "Heat Resistance"
+	name = "Temperature Adaptation"
+	desc = "The virus quickly balances body heat, while also replacing tissues damaged by external sources."
 	stealth = 0
 	resistance = 0
 	stage_speed = -2
@@ -297,6 +307,7 @@ Bonus
 /datum/symptom/heal/dna
 
 	name = "Deoxyribonucleic Acid Restoration"
+	desc = "The virus repairs the host's genome, purging negative mutations."
 	stealth = -1
 	resistance = -1
 	stage_speed = 0
@@ -304,9 +315,11 @@ Bonus
 	level = 5
 	symptom_delay_min = 3
 	symptom_delay_max = 8
+	threshold_desc = "<b>Stage Speed 6:</b> Additionally heals brain damage.<br>\
+					  <b>Stage Speed 11:</b> Increases brain damage healing."
 
 /datum/symptom/heal/dna/Heal(mob/living/carbon/M, datum/disease/advance/A)
-	var/amt_healed = 2 * power
+	var/amt_healed = 2 * (power - 1)
 	M.adjustBrainLoss(-amt_healed)
 	//Non-power mutations, excluding race, so the virus does not force monkey -> human transformations.
 	var/list/unclean_mutations = (GLOB.not_good_mutations|GLOB.bad_mutations) - GLOB.mutations_list[RACEMUT]

code/datums/diseases/advance/symptoms/itching.dm

@@ -19,6 +19,7 @@ BONUS
 /datum/symptom/itching
 
 	name = "Itching"
+	desc = "The virus irritates the skin, causing itching."
 	stealth = 0
 	resistance = 3
 	stage_speed = 3
@@ -28,6 +29,8 @@ BONUS
 	symptom_delay_min = 5
 	symptom_delay_max = 25
 	var/scratch = FALSE
+	threshold_desc = "<b>Transmission 6:</b> Increases frequency of itching.<br>\
+					  <b>Stage Speed 7:</b> The host will scrath itself when itching, causing superficial damage."
 
 /datum/symptom/itching/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/narcolepsy.dm

@@ -14,6 +14,7 @@ Bonus
 */
 /datum/symptom/narcolepsy
 	name = "Narcolepsy"
+	desc = "The virus causes a hormone imbalance, making the host sleepy and narcoleptic."
 	stealth = -1
 	resistance = -2
 	stage_speed = -3
@@ -25,6 +26,8 @@ Bonus
 	var/sleep_level = 0
 	var/sleepy_ticks = 0
 	var/stamina = FALSE
+	threshold_desc = "<b>Transmission 7:</b> Also relaxes the muscles, weakening and slowing the host.<br>\
+					  <b>Resistance 10:</b> Causes narcolepsy more often, increasing the chance of the host falling asleep."
 
 /datum/symptom/narcolepsy/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/oxygen.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/oxygen
 
 	name = "Self-Respiration"
+	desc = "The virus rapidly synthesizes oxygen, effectively removing the need for breathing."
 	stealth = 1
 	resistance = -3
 	stage_speed = -3
@@ -27,6 +28,7 @@ Bonus
 	symptom_delay_min = 1
 	symptom_delay_max = 1
 	var/regenerate_blood = FALSE
+	threshold_desc = "<b>Resistance 8:</b>Additionally regenerates lost blood.<br>"
 
 /datum/symptom/oxygen/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/sensory.dm

@@ -15,8 +15,9 @@ Bonus
 
 //////////////////////////////////////
 */
-/datum/symptom/sensory_restoration
-	name = "Sensory Restoration"
+/datum/symptom/mind_restoration
+	name = "Mind Restoration"
+	desc = "The virus strengthens the bonds between neurons, reducing the duration of any ailments of the mind."
 	stealth = -1
 	resistance = -4
 	stage_speed = -4
@@ -27,15 +28,17 @@ Bonus
 	symptom_delay_max = 10
 	var/purge_alcohol = FALSE
 	var/brain_heal = FALSE
+	threshold_desc = "<b>Resistance 6:</b> Heals brain damage.<br>\
+					  <b>Transmission 8:</b> Purges alcohol in the bloodstream."
 
-/datum/symptom/sensory_restoration/Start(datum/disease/advance/A)
+/datum/symptom/mind_restoration/Start(datum/disease/advance/A)
 	..()
 	if(A.properties["resistance"] >= 6) //heal brain damage
 		brain_heal = TRUE
 	if(A.properties["transmittable"] >= 8) //purge alcohol
 		purge_alcohol = TRUE
 
-/datum/symptom/sensory_restoration/Activate(var/datum/disease/advance/A)
+/datum/symptom/mind_restoration/Activate(var/datum/disease/advance/A)
 	if(!..())
 		return
 	var/mob/living/M = A.affected_mob

code/datums/diseases/advance/symptoms/shedding.dm

@@ -15,8 +15,8 @@ BONUS
 */
 
 /datum/symptom/shedding
-
 	name = "Alopecia"
+	desc = "The virus causes rapid shedding of head and body hair."
 	stealth = 0
 	resistance = 1
 	stage_speed = -1

code/datums/diseases/advance/symptoms/shivering.dm

@@ -16,8 +16,8 @@ Bonus
 */
 
 /datum/symptom/shivering
-
 	name = "Shivering"
+	desc = "The virus inhibits the body's thermoregulation, cooling the body down."
 	stealth = 0
 	resistance = 2
 	stage_speed = 2
@@ -27,6 +27,8 @@ Bonus
 	symptom_delay_min = 10
 	symptom_delay_max = 30
 	var/unsafe = FALSE //over the cold threshold
+	threshold_desc = "<b>Stage Speed 5:</b> Increases cooling speed; the host can fall below safe temperature levels.<br>\
+					  <b>Stage Speed 10:</b> Further increases cooling speed."
 
 /datum/symptom/fever/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/skin.dm

@@ -17,6 +17,7 @@ BONUS
 /datum/symptom/vitiligo
 
 	name = "Vitiligo"
+	desc = "The virus destroys skin pigment cells, causing rapid loss of pigmentation in the host."
 	stealth = -3
 	resistance = -1
 	stage_speed = -1
@@ -61,6 +62,7 @@ BONUS
 /datum/symptom/revitiligo
 
 	name = "Revitiligo"
+	desc = "The virus causes increased production of skin pigment cells, making the host's skin grow darker over time."
 	stealth = -3
 	resistance = -1
 	stage_speed = -1

code/datums/diseases/advance/symptoms/sneeze.dm

@@ -18,6 +18,7 @@ Bonus
 
 /datum/symptom/sneeze
 	name = "Sneezing"
+	desc = "The virus causes irritation of the nasal cavity, making the host sneeze occasionally."
 	stealth = -2
 	resistance = 3
 	stage_speed = 0
@@ -26,6 +27,8 @@ Bonus
 	severity = 1
 	symptom_delay_min = 5
 	symptom_delay_max = 35
+	threshold_desc = "<b>Transmission 9:</b> Increases sneezing range, spreading the virus over a larger area.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/sneeze/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/symptoms.dm

@@ -3,6 +3,8 @@
 /datum/symptom
 	// Buffs/Debuffs the symptom has to the overall engineered disease.
 	var/name = ""
+	var/desc = "If you see this something went very wrong." //Basic symptom description
+	var/threshold_desc = "" //Description of threshold effects
 	var/stealth = 0
 	var/resistance = 0
 	var/stage_speed = 0
@@ -25,6 +27,7 @@
 	var/power = 1
 	//A neutered symptom has no effect, and only affects statistics.
 	var/neutered = FALSE
+	var/list/thresholds
 
 /datum/symptom/New()
 	var/list/S = SSdisease.list_symptoms
@@ -37,7 +40,6 @@
 // Called when processing of the advance disease, which holds this symptom, starts.
 /datum/symptom/proc/Start(datum/disease/advance/A)
 	next_activation = world.time + rand(symptom_delay_min * 10, symptom_delay_max * 10) //so it doesn't instantly activate on infection
-	return
 
 // Called when the advance disease is going to be deleted or when the advance disease stops processing.
 /datum/symptom/proc/End(datum/disease/advance/A)
@@ -58,3 +60,6 @@
 	new_symp.id = id
 	new_symp.neutered = neutered
 	return new_symp
+
+/datum/symptom/proc/generate_threshold_desc()
+	return

code/datums/diseases/advance/symptoms/viral.dm

@@ -15,6 +15,7 @@ BONUS
 */
 /datum/symptom/viraladaptation
 	name = "Viral self-adaptation"
+	desc = "The virus mimics the function of normal body cells, becoming harder to spot and to eradicate, but reducing its speed."
 	stealth = 3
 	resistance = 5
 	stage_speed = -3
@@ -38,6 +39,8 @@ BONUS
 */
 /datum/symptom/viralevolution
 	name = "Viral evolutionary acceleration"
+	desc = "The virus quickly adapts to spread as fast as possible both outside and inside a host. \
+	This, however, makes the virus easier to spot, and less able to fight off a cure."
 	stealth = -2
 	resistance = -3
 	stage_speed = 5
@@ -65,6 +68,8 @@ Bonus
 /datum/symptom/viralreverse
 
 	name = "Viral aggressive metabolism"
+	desc = "The virus sacrifices its long term survivability to gain a near-instant spread when inside a host. \
+	The virus will start at the lastest stage, but will eventually decay and die off by itself."
 	stealth = -2
 	resistance = 1
 	stage_speed = 3
@@ -73,6 +78,8 @@ Bonus
 	symptom_delay_min = 1
 	symptom_delay_max = 1
 	var/time_to_cure
+	threshold_desc = "<b>Resistance/Stage Speed:</b> Highest between these determines the amount of time before self-curing.<br>\
+					  <b>Stealth 4:</b> Doubles the time before the virus self-cures."
 
 /datum/symptom/viralreverse/Activate(datum/disease/advance/A)
 	if(!..())

code/datums/diseases/advance/symptoms/vision.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/visionloss
 
 	name = "Hyphema"
+	desc = "The virus causes inflammation of the retina, leading to eye damage and eventually blindness."
 	stealth = -1
 	resistance = -4
 	stage_speed = -4
@@ -28,6 +29,8 @@ Bonus
 	symptom_delay_min = 25
 	symptom_delay_max = 80
 	var/remove_eyes = FALSE
+	threshold_desc = "<b>Resistance 12:</b> Weakens extraocular muscles, eventually leading to complete detachment of the eyes.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/visionloss/Start(datum/disease/advance/A)
 	..()
@@ -88,6 +91,7 @@ Bonus
 /datum/symptom/visionaid
 
 	name = "Ocular Restoration"
+	desc = "The virus stimulates the production and replacement of eye cells, causing the host to regenerate its eyes when damaged."
 	stealth = -1
 	resistance = -3
 	stage_speed = -2

code/datums/diseases/advance/symptoms/voice_change.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/voice_change
 
 	name = "Voice Change"
+	desc = "The virus alters the pitch and tone of the host's vocal cords, changing how their voice sounds."
 	stealth = -1
 	resistance = -2
 	stage_speed = -2
@@ -30,6 +31,9 @@ Bonus
 	var/scramble_language = FALSE
 	var/datum/language/current_language
 	var/datum/language_holder/original_language
+	threshold_desc = "<b>Transmission 14:</b> The host's language center of the brain is damaged, leading to complete inability to speak or understand any language.<br>\
+					  <b>Stage Speed 7:</b> Changes voice more often.<br>\
+					  <b>Stealth 3:</b> The symptom remains hidden until active."
 
 /datum/symptom/voice_change/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/vomit.dm

@@ -22,6 +22,7 @@ Bonus
 /datum/symptom/vomit
 
 	name = "Vomiting"
+	desc = "The virus causes nausea and irritates the stomach, causing occasional vomit."
 	stealth = -2
 	resistance = -1
 	stage_speed = 0
@@ -33,6 +34,9 @@ Bonus
 	symptom_delay_max = 80
 	var/vomit_blood = FALSE
 	var/proj_vomit = 0
+	threshold_desc = "<b>Resistance 7:</b> Host will vomit blood, causing internal damage.<br>\
+					  <b>Transmission 7:</b> Host will projectile vomit, increasing vomiting range.<br>\
+					  <b>Stealth 4:</b> The symptom remains hidden until active."
 
 /datum/symptom/vomit/Start(datum/disease/advance/A)
 	..()

code/datums/diseases/advance/symptoms/weight.dm

@@ -18,6 +18,7 @@ Bonus
 /datum/symptom/weight_gain
 
 	name = "Weight Gain"
+	desc = "The virus mutates the host's metabolism, making it gain weight much faster than normal."
 	stealth = -3
 	resistance = -3
 	stage_speed = -2
@@ -27,6 +28,7 @@ Bonus
 	base_message_chance = 100
 	symptom_delay_min = 15
 	symptom_delay_max = 45
+	threshold_desc = "<b>Stealth 4:</b> The symptom is less noticeable."
 
 /datum/symptom/weight_gain/Start(datum/disease/advance/A)
 	..()
@@ -66,6 +68,7 @@ Bonus
 /datum/symptom/weight_loss
 
 	name = "Weight Loss"
+	desc = "The virus mutates the host's metabolism, making it almost unable to gain nutrition from food."
 	stealth = -3
 	resistance = -2
 	stage_speed = -2
@@ -75,6 +78,7 @@ Bonus
 	base_message_chance = 100
 	symptom_delay_min = 15
 	symptom_delay_max = 45
+	threshold_desc = "<b>Stealth 4:</b> The symptom is less noticeable."
 
 /datum/symptom/weight_loss/Start(datum/disease/advance/A)
 	..()
@@ -116,6 +120,7 @@ Bonus
 /datum/symptom/weight_even
 
 	name = "Weight Even"
+	desc = "The virus alters the host's metabolism, making it far more efficient then normal, and synthesizing nutrients from normally unedible sources."
 	stealth = -3
 	resistance = -2
 	stage_speed = -2

code/datums/diseases/advance/symptoms/youth.dm

@@ -18,6 +18,8 @@ BONUS
 /datum/symptom/youth
 
 	name = "Eternal Youth"
+	desc = "The virus becomes symbiotically connected to the cells in the host's body, preventing and reversing aging. \
+	The virus, in turn, becomes more resistant, spreads faster, and is harder to spot, although it doesn't thrive as well without a host."
 	stealth = 3
 	resistance = 4
 	stage_speed = 4

code/modules/cargo/packs.dm

@@ -811,7 +811,7 @@
 					/obj/item/reagent_containers/glass/bottle/magnitis,
 					/obj/item/reagent_containers/glass/bottle/pierrot_throat,
 					/obj/item/reagent_containers/glass/bottle/brainrot,
-					/obj/item/reagent_containers/glass/bottle/hullucigen_virion,
+					/obj/item/reagent_containers/glass/bottle/hallucigen_virion,
 					/obj/item/reagent_containers/glass/bottle/anxiety,
 					/obj/item/reagent_containers/glass/bottle/beesease,
 					/obj/item/storage/box/syringes,

code/modules/reagents/chemistry/machinery/pandemic.dm

@@ -1,3 +1,6 @@
+#define MAIN_SCREEN 1
+#define SYMPTOM_DETAILS 2
+
 /obj/machinery/computer/pandemic
 	name = "PanD.E.M.I.C 2200"
 	desc = "Used to work with viruses."
@@ -10,6 +13,8 @@
 	idle_power_usage = 20
 	resistance_flags = ACID_PROOF
 	var/wait
+	var/mode = MAIN_SCREEN
+	var/datum/symptom/selected_symptom
 	var/obj/item/reagent_containers/beaker
 
 /obj/machinery/computer/pandemic/Initialize()
@@ -34,9 +39,7 @@
 
 /obj/machinery/computer/pandemic/proc/get_viruses_data(datum/reagent/blood/B)
 	. = list()
-	if(!islist(B.data["viruses"]))
-		return
-	var/list/V = B.data["viruses"]
+	var/list/V = B.get_diseases()
 	var/index = 1
 	for(var/virus in V)
 		var/datum/disease/D = virus
@@ -47,21 +50,24 @@
 		this["name"] = D.name
 		if(istype(D, /datum/disease/advance))
 			var/datum/disease/advance/A = D
-			var/datum/disease/advance/archived = SSdisease.archive_diseases[D.GetDiseaseID()]
-			if(archived.name == "Unknown")
+			var/disease_name = SSdisease.get_disease_name(A.GetDiseaseID())
+			if(disease_name == "Unknown")
 				this["can_rename"] = TRUE
-			this["name"] = archived.name
+			this["name"] = disease_name
 			this["is_adv"] = TRUE
-			this["resistance"] = A.totalResistance()
-			this["stealth"] = A.totalStealth()
-			this["stage_speed"] = A.totalStageSpeed()
-			this["transmission"] = A.totalTransmittable()
 			this["symptoms"] = list()
+			var/symptom_index = 1
 			for(var/symptom in A.symptoms)
 				var/datum/symptom/S = symptom
 				var/list/this_symptom = list()
 				this_symptom["name"] = S.name
+				this_symptom["sym_index"] = symptom_index
+				symptom_index++
 				this["symptoms"] += list(this_symptom)
+			this["resistance"] = A.totalResistance()
+			this["stealth"] = A.totalStealth()
+			this["stage_speed"] = A.totalStageSpeed()
+			this["transmission"] = A.totalTransmittable()
 		this["index"] = index++
 		this["agent"] = D.agent
 		this["description"] = D.desc || "none"
@@ -70,6 +76,20 @@
 
 		. += list(this)
 
+/obj/machinery/computer/pandemic/proc/get_symptom_data(datum/symptom/S)
+	. = list()
+	var/list/this = list()
+	this["name"] = S.name
+	this["desc"] = S.desc
+	this["stealth"] = S.stealth
+	this["resistance"] = S.resistance
+	this["stage_speed"] = S.stage_speed
+	this["transmission"] = S.transmittable
+	this["level"] = S.level
+	this["neutered"] = S.neutered
+	this["threshold_desc"] = S.threshold_desc
+	. += this
+
 /obj/machinery/computer/pandemic/proc/get_resistance_data(datum/reagent/blood/B)
 	. = list()
 	if(!islist(B.data["resistances"]))
@@ -81,6 +101,7 @@
 		if(D)
 			this["id"] = id
 			this["name"] = D.name
+
 		. += list(this)
 
 /obj/machinery/computer/pandemic/proc/reset_replicator_cooldown()
@@ -113,18 +134,23 @@
 /obj/machinery/computer/pandemic/ui_data(mob/user)
 	var/list/data = list()
 	data["is_ready"] = !wait
-	if(beaker)
-		data["has_beaker"] = TRUE
-		if(!beaker.reagents.total_volume || !beaker.reagents.reagent_list)
-			data["beaker_empty"] = TRUE
-		var/datum/reagent/blood/B = locate() in beaker.reagents.reagent_list
-		if(B)
-			data["has_blood"] = TRUE
-			data["blood"] = list()
-			data["blood"]["dna"] = B.data["blood_DNA"] || "none"
-			data["blood"]["type"] = B.data["blood_type"] || "none"
-			data["viruses"] = get_viruses_data(B)
-			data["resistances"] = get_resistance_data(B)
+	data["mode"] = mode
+	switch(mode)
+		if(MAIN_SCREEN)
+			if(beaker)
+				data["has_beaker"] = TRUE
+				if(!beaker.reagents.total_volume || !beaker.reagents.reagent_list)
+					data["beaker_empty"] = TRUE
+				var/datum/reagent/blood/B = locate() in beaker.reagents.reagent_list
+				if(B)
+					data["has_blood"] = TRUE
+					data["blood"] = list()
+					data["blood"]["dna"] = B.data["blood_DNA"] || "none"
+					data["blood"]["type"] = B.data["blood_type"] || "none"
+					data["viruses"] = get_viruses_data(B)
+					data["resistances"] = get_resistance_data(B)
+		if(SYMPTOM_DETAILS)
+			data["symptom"] = get_symptom_data(selected_symptom)
 
 	return data
 
@@ -166,8 +192,8 @@
 			addtimer(CALLBACK(src, .proc/reset_replicator_cooldown), 50)
 			. = TRUE
 		if("create_vaccine_bottle")
-			var/index = params["index"]
-			var/datum/disease/D = SSdisease.archive_diseases[index]
+			var/index = text2num(params["index"])
+			var/datum/disease/D = SSdisease.archive_diseases[get_virus_id_by_index(index)]
 			var/obj/item/reagent_containers/glass/bottle/B = new(get_turf(src))
 			B.name = "[D.name] vaccine bottle"
 			B.reagents.add_reagent("vaccine", 15, list(index))
@@ -175,6 +201,19 @@
 			update_icon()
 			addtimer(CALLBACK(src, .proc/reset_replicator_cooldown), 200)
 			. = TRUE
+		if("symptom_details")
+			var/picked_symptom_index = text2num(params["picked_symptom"])
+			var/index = text2num(params["index"])
+			var/datum/disease/advance/A = get_by_index("viruses", index)
+			var/datum/symptom/S = A.symptoms[picked_symptom_index]
+			mode = SYMPTOM_DETAILS
+			selected_symptom = S
+			. = TRUE
+		if("back")
+			mode = MAIN_SCREEN
+			selected_symptom = null
+			. = TRUE
+
 
 /obj/machinery/computer/pandemic/attackby(obj/item/I, mob/user, params)
 	if(istype(I, /obj/item/reagent_containers) && (I.container_type & OPENCONTAINER_1))

code/modules/reagents/chemistry/reagents/other_reagents.dm

@@ -62,6 +62,13 @@
 				data["viruses"] = preserve
 	return 1
 
+/datum/reagent/blood/proc/get_diseases()
+	. = list()
+	if(data && data["viruses"])
+		for(var/thing in data["viruses"])
+			var/datum/disease/D = thing
+			. += D
+
 /datum/reagent/blood/reaction_turf(turf/T, reac_volume)//splash the blood all over the place
 	if(!istype(T))
 		return

code/modules/reagents/reagent_containers/bottle.dm

@@ -270,11 +270,11 @@
 	icon_state = "bottle3"
 	spawned_disease = /datum/disease/advance/heal
 
-/obj/item/reagent_containers/glass/bottle/hullucigen_virion
-	name = "Hullucigen virion culture bottle"
-	desc = "A small bottle. Contains hullucigen virion culture in synthblood medium."
+/obj/item/reagent_containers/glass/bottle/hallucigen_virion
+	name = "Hallucigen virion culture bottle"
+	desc = "A small bottle. Contains hallucigen virion culture in synthblood medium."
 	icon_state = "bottle3"
-	spawned_disease = /datum/disease/advance/hullucigen
+	spawned_disease = /datum/disease/advance/hallucigen
 
 /obj/item/reagent_containers/glass/bottle/pierrot_throat
 	name = "Pierrot's Throat culture bottle"

tgui/src/interfaces/pandemic.ract

@@ -1,84 +1,113 @@
-<ui-display title='Beaker' button>
-	{{#partial button}}
-		<ui-button icon='remove' state='{{data.has_beaker ? null : "disabled"}}' action='empty_eject_beaker'>
-			Empty and eject
-		</ui-button>
-		<ui-button icon='trash' state='{{data.has_beaker ? null : "disabled"}}' action='empty_beaker'>
-			Empty
-		</ui-button>
-		<ui-button icon='eject' state='{{data.has_beaker ? null : "disabled"}}' action='eject_beaker'>
-			Eject
-		</ui-button>
-	{{/partial}}
-	{{#if data.has_beaker}}
-		<ui-section>
-			{{#if data.beaker_empty}}
-				<span class='bad'>The beaker is empty!</span>
-			{{else}}
-				<ui-subdisplay title='Blood'>
-					{{#if data.has_blood}}
-						<ui-section label='Blood DNA'>{{data.blood.dna}}</ui-section>
-						<ui-section label='Blood type'>{{data.blood.type}}</ui-section>
-					{{else}}
-						<ui-section>
-							<span class='average'>No blood sample detected.</span>
-						</ui-section>
-					{{/if}}
-				</ui-subdisplay>
-			{{/if}}
-		</ui-section>
-	{{else}}
-		<ui-section>
-			<span class='bad'>No beaker loaded.</span>
-		</ui-section>
-	{{/if}}
-</ui-display>
-{{#if data.has_blood}}
-	<ui-display title='Diseases'>
-		{{#each data.viruses}}
-			<ui-display title='{{name}}' button>
-				{{#partial button}}
-					{{#if is_adv}}
-						<ui-button icon='pencil' action='rename_disease' state='{{can_rename ? "" : "disabled"}}' params='{"index": {{index}}}'>
-							Name advanced disease
-						</ui-button>
-					{{/if}}
-					<ui-button icon='flask' action='create_culture_bottle' state='{{data.is_ready ? "" : "disabled"}}' params='{"index": {{index}}}'>
-						Create virus culture bottle
-					</ui-button>
-				{{/partial}}
-				<ui-section label='Disease agent'>{{agent}}</ui-section>
-				<ui-section label='Description'>{{description}}</ui-section>
-				<ui-section label='Spread'>{{spread}}</ui-section>
-				<ui-section label='Possible cure'>{{cure}}	</ui-section>
-				{{#if is_adv}}
-					<ui-section label='Resistance'>{{resistance}}</ui-section>
-					<ui-section label='Stealth'>{{stealth}}</ui-section>
-					<ui-section label='Stage speed'>{{stage_speed}}</ui-section>
-					<ui-section label='Symptoms'>
-						{{#each symptoms}}
-							<span>{{name}}</span><br />
-						{{/each}}
-					</ui-section>
+{{#if data.mode == 1}}
+	<ui-display title='Beaker' button>
+		{{#partial button}}
+			<ui-button icon='remove' state='{{data.has_beaker ? null : "disabled"}}' action='empty_eject_beaker'>
+				Empty and eject
+			</ui-button>
+			<ui-button icon='trash' state='{{data.has_beaker ? null : "disabled"}}' action='empty_beaker'>
+				Empty
+			</ui-button>
+			<ui-button icon='eject' state='{{data.has_beaker ? null : "disabled"}}' action='eject_beaker'>
+				Eject
+			</ui-button>
+		{{/partial}}
+		{{#if data.has_beaker}}
+			<ui-section>
+				{{#if data.beaker_empty}}
+					<span class='bad'>The beaker is empty!</span>
+				{{else}}
+					<ui-subdisplay title='Blood'>
+						{{#if data.has_blood}}
+							<ui-section label='Blood DNA'>{{data.blood.dna}}</ui-section>
+							<ui-section label='Blood type'>{{data.blood.type}}</ui-section>
+						{{else}}
+							<ui-section>
+								<span class='average'>No blood sample detected.</span>
+							</ui-section>
+						{{/if}}
+					</ui-subdisplay>
 				{{/if}}
-			</ui-display>
-		{{else}}
-			<ui-section>
-				<span class='average'>No detectable virus in the blood sample.</span>
-			</ui-section>
-		{{/each}}
-	</ui-display>
-	<ui-display title='Antibodies'>
-		{{#each data.resistances}}
-			<ui-section label='{{name}}'>
-					<ui-button icon='eyedropper' state='{{data.is_ready ? "" : "disabled"}}' action='create_vaccine_bottle' params='{"index": {{id}}}'>
-						Create vaccine bottle
-					</ui-button>
 			</ui-section>
 		{{else}}
 			<ui-section>
-				<span class='average'>No antibodies detected in the blood sample.</span>
+				<span class='bad'>No beaker loaded.</span>
 			</ui-section>
-		{{/each}}
+		{{/if}}
 	</ui-display>
-{{/if}}
+	{{#if data.has_blood}}
+		<ui-display title='Diseases'>
+			{{#each data.viruses}}
+				<ui-display title='{{name}}' button>
+					{{#partial button}}
+						{{#if is_adv}}
+							<ui-button icon='pencil' action='rename_disease' state='{{can_rename ? "" : "disabled"}}' params='{"index": {{index}}}'>
+								Name advanced disease
+							</ui-button>
+						{{/if}}
+						<ui-button icon='flask' action='create_culture_bottle' state='{{data.is_ready ? "" : "disabled"}}' params='{"index": {{index}}}'>
+							Create virus culture bottle
+						</ui-button>
+					{{/partial}}
+					<ui-section label='Disease agent'>{{agent}}</ui-section>
+					<ui-section label='Description'>{{description}}</ui-section>
+					<ui-section label='Spread'>{{spread}}</ui-section>
+					<ui-section label='Possible cure'>{{cure}}	</ui-section>
+					{{#if is_adv}}
+						<ui-section label='Symptoms'>
+							{{#each symptoms}}
+								<ui-button action='symptom_details' state="" params='{"picked_symptom": {{sym_index}}, "index": {{index}}}'>
+									{{name}}
+								</ui-button><br />
+							{{/each}}
+						</ui-section>
+						<ui-section label='Resistance'>{{resistance}}</ui-section>
+						<ui-section label='Stealth'>{{stealth}}</ui-section>
+						<ui-section label='Stage speed'>{{stage_speed}}</ui-section>
+						<ui-section label='Transmittability'>{{transmission}}</ui-section>
+					{{/if}}
+				</ui-display>
+			{{else}}
+				<ui-section>
+					<span class='average'>No detectable virus in the blood sample.</span>
+				</ui-section>
+			{{/each}}
+		</ui-display>
+		<ui-display title='Antibodies'>
+			{{#each data.resistances}}
+				<ui-section label='{{name}}'>
+						<ui-button icon='eyedropper' state='{{data.is_ready ? "" : "disabled"}}' action='create_vaccine_bottle' params='{"index": {{id}}}'>
+							Create vaccine bottle
+						</ui-button>
+				</ui-section>
+			{{else}}
+				<ui-section>
+					<span class='average'>No antibodies detected in the blood sample.</span>
+				</ui-section>
+			{{/each}}
+		</ui-display>
+	{{/if}}
+{{else}}
+	<ui-button icon='undo' state="" action='back'>
+		Back
+	</ui-button>
+	{{#with data.symptom}}
+			<ui-display title='{{name}}'>
+			<ui-section>
+				{{desc}}
+			{{#if neutered}}
+				<br/>
+				<b>This symptom has been neutered, and has no effect. It will still affect the virus' statistics.</b>
+			{{/if}}
+			</ui-section>
+			<ui-section>
+				<ui-section label='Level'>{{level}}</ui-section>
+				<ui-section label='Resistance'>{{resistance}}</ui-section>
+				<ui-section label='Stealth'>{{stealth}}</ui-section>
+				<ui-section label='Stage speed'>{{stage_speed}}</ui-section>
+				<ui-section label='Transmittability'>{{transmission}}</ui-section>
+			</ui-section>
+			<ui-subdisplay title='Effect Thresholds'>
+				<ui-section>{{{threshold_desc}}}</ui-section>
+			</ui-subdisplay>
+	{{/with}}
+{{/if}}