Infections now spread between organs

Infections can now spread between internal and external organs.
Also changes the organ_failure random event to cause an infection
instead.

code/game/machinery/adv_med.dm

@@ -293,7 +293,6 @@
 						var/splint = ""
 						var/internal_bleeding = ""
 						var/lung_ruptured = ""
-						var/infection = ""
 						for(var/datum/wound/W in e.wounds) if(W.internal)
 							internal_bleeding = "<br>Internal bleeding"
 							break
@@ -310,12 +309,12 @@
 						if(e.open)
 							open = "Open:"
 						switch (e.germ_level)
-							if (150 to 500)
-								infection = "Light Infection:"
-							if (500 to INFECTION_LEVEL_TWO)
-								infection = "Serious Infection:"
-							if (INFECTION_LEVEL_TWO to INFINITY)
-								infection = "Septic:"
+							if (INFECTION_LEVEL_ONE + 50 to INFECTION_LEVEL_TWO)
+								infected = "Mild Infection:"
+							if (INFECTION_LEVEL_TWO to INFECTION_LEVEL_THREE)
+								infected = "Acute Infection:"
+							if (INFECTION_LEVEL_THREE to INFINITY)
+								infected = "Septic:"
 
 						var/unknown_body = 0
 						for(var/I in e.implants)
@@ -340,8 +339,16 @@
 							mech = "Assisted:"
 						if(i.robotic == 2)
 							mech = "Mechanical:"
+							
+						var/infection = "None"
+						switch (i.germ_level)
+							if (1 to INFECTION_LEVEL_TWO)
+								infection = "Mild Infection:"
+							if (INFECTION_LEVEL_TWO to INFINITY)
+								infection = "Acute Infection:"
+							
 						dat += "<tr>"
-						dat += "<td>[i.name]</td><td>N/A</td><td>[i.damage]</td><td>None:[mech]</td><td></td>"
+						dat += "<td>[i.name]</td><td>N/A</td><td>[i.damage]</td><td>[infection]:[mech]</td><td></td>"
 						dat += "</tr>"
 					dat += "</table>"
 					if(occupant.sdisabilities & BLIND)

code/modules/events/organ_failure.dm

@@ -21,9 +21,23 @@ datum/event/organ_failure/start()
 	while(severity > 0 && candidates.len)
 		var/mob/living/carbon/human/C = candidates[1]
 
-		// Bruise one of their organs
-		var/O = pick(C.internal_organs)
-		var/datum/organ/internal/I = C.internal_organs[O]
-		I.damage = I.min_bruised_damage
-		candidates.Remove(C)
-		severity--
+		var/acute = prob(15)
+		if (prob(75))
+			//internal organ infection
+			var/O = pick(C.internal_organs)
+			var/datum/organ/internal/I = C.internal_organs[O]
+			
+			if (acute)
+				I.germ_level = max(INFECTION_LEVEL_TWO, I.germ_level)
+			else
+				I.germ_level = max(rand(INFECTION_LEVEL_ONE,INFECTION_LEVEL_ONE*2), I.germ_level)
+		else
+			//external organ infection
+			var/datum/organ/external/O = pick(C.organs)
+			
+			if (acute)
+				O.germ_level = max(INFECTION_LEVEL_TWO, O.germ_level)
+			else
+				O.germ_level = max(rand(INFECTION_LEVEL_ONE,INFECTION_LEVEL_ONE*2), O.germ_level)
+
+		severity--

code/modules/organs/organ.dm

@@ -49,13 +49,18 @@
 	if(damage_this_tick > last_dam)
 		force_process = 1
 	last_dam = damage_this_tick
-	if(!force_process && !bad_external_organs.len)
-		return
 	if(force_process)
 		bad_external_organs.Cut()
 		for(var/datum/organ/external/Ex in organs)
 			bad_external_organs += Ex
-			
+	
+	//processing internal organs is pretty cheap, do that first.
+	for(var/datum/organ/internal/I in internal_organs)
+		I.process()
+	
+	if(!force_process && !bad_external_organs.len)
+		return
+	
 	for(var/datum/organ/external/E in bad_external_organs)
 		if(!E)
 			continue
@@ -80,11 +85,8 @@
 							W.germ_level += 1
 
 			if(E.name in list("l_leg","l_foot","r_leg","r_foot") && !lying)
-				if (!E.is_usable() || malfunction || (broken && !(E.status & ORGAN_SPLINTED)))
+				if (!E.is_usable() || E.is_malfunctioning() || (E.is_broken() && !(E.status & ORGAN_SPLINTED)))
 					leg_tally--			// let it fail even if just foot&leg
-
-	for(var/datum/organ/internal/I in internal_organs)
-		I.process()
 	
 	// standing is poor
 	if(leg_tally <= 0 && !paralysis && !(lying || resting) && prob(5))

code/modules/organs/organ_external.dm

@@ -333,7 +333,6 @@ This function completely restores a damaged organ to perfect condition.
 	return
 
 //Updating germ levels. Handles organ germ levels and necrosis.
-//#define GERM_TRANSFER_AMOUNT	germ_level/500
 /datum/organ/external/proc/update_germs()
 
 	if(status & (ORGAN_ROBOT|ORGAN_DESTROYED)) //Robotic limbs shouldn't be infected, nor should nonexistant limbs.
@@ -356,34 +355,41 @@ This function completely restores a damaged organ to perfect condition.
 		if (germ_level > 0 && antibiotics > 5)
 			if (prob(4*antibiotics)) germ_level--
 		
-		if(germ_level > INFECTION_LEVEL_ONE)
+		if(germ_level >= INFECTION_LEVEL_ONE)
 			//having an infection raises your body temperature
-			var/temperature_increase = (owner.species.heat_level_1 - owner.species.body_temperature - 1)* min(germ_level/INFECTION_LEVEL_TWO, 1)
+			var/temperature_increase = (owner.species.heat_level_1 - owner.species.body_temperature - 1)* min(germ_level/INFECTION_LEVEL_THREE, 1)
 			if (owner.bodytemperature < temperature_increase)
 				owner.bodytemperature++
 			
 			if(prob(round(germ_level/10)))	//aiming for a light infection to become serious after 40 minutes, standing still
-				germ_level += 1
+				germ_level++
 				owner.adjustToxLoss(1)
 		
-		if(germ_level > INFECTION_LEVEL_TWO && antibiotics < 30)	//overdosing is necessary to stop severe infections
-			germ_level++
-			owner.adjustToxLoss(1)
-/*
-		if(germ_level > GANGREN_LEVEL_TERMINAL)
+		if(germ_level >= INFECTION_LEVEL_TWO)
+			//spread the infection
+			for (var/datum/organ/internal/I in internal_organs)
+				if (I.germ_level < germ_level)
+					I.germ_level++
+			
+			if (children)	//To child organs
+				for (var/datum/organ/external/child in children)
+					if (child.germ_level < germ_level && !(child.status & ORGAN_ROBOT))
+						if (child.germ_level < INFECTION_LEVEL_ONE*2 || prob(30))
+							child.germ_level++
+			
+			if (parent)
+				if (parent.germ_level < germ_level && !(parent.status & ORGAN_ROBOT))
+					if (parent.germ_level < INFECTION_LEVEL_ONE*2 || prob(30))
+						parent.germ_level++
+		
+		if(germ_level >= INFECTION_LEVEL_THREE && antibiotics < 30)	//overdosing is necessary to stop severe infections
 			if (!(status & ORGAN_DEAD))
 				status |= ORGAN_DEAD
 				owner << "<span class='notice'>You can't feel your [display_name] anymore...</span>"
-				owner.update_body(1)
-			if (prob(10))	//Spreading the fun
-				if (children)	//To child organs
-					for (var/datum/organ/external/child in children)
-						if (!(child.status & (ORGAN_DEAD|ORGAN_DESTROYED|ORGAN_ROBOT)))
-							child.germ_level += round(GERM_TRANSFER_AMOUNT)
-				if (parent)
-					if (!(parent.status & (ORGAN_DEAD|ORGAN_DESTROYED|ORGAN_ROBOT)))
-						parent.germ_level += round(GERM_TRANSFER_AMOUNT)
-*/
+			
+			germ_level++
+			owner.adjustToxLoss(1)
+
 
 //Updating wounds. Handles wound natural I had some free spachealing, internal bleedings and infections
 /datum/organ/external/proc/update_wounds()
@@ -717,7 +723,7 @@ This function completely restores a damaged organ to perfect condition.
 	return ((status & ORGAN_BROKEN) && !(status & ORGAN_SPLINTED))
 
 /datum/organ/external/proc/is_malfunctioning()
-	return ((status & ORGAN_ROBOT) && prob(E.brute_dam + E.burn_dam))
+	return ((status & ORGAN_ROBOT) && prob(brute_dam + burn_dam))
 
 //for arms and hands
 /datum/organ/external/proc/process_grasp(var/obj/item/c_hand, var/hand_name)
@@ -727,7 +733,7 @@ This function completely restores a damaged organ to perfect condition.
 	if(is_broken())
 		owner.u_equip(c_hand)
 		var/emote_scream = pick("screams in pain and", "lets out a sharp cry and", "cries out and")
-		owner.emote("me", 1, "[(species && species.flags & NO_PAIN) ? "" : emote_scream ] drops what they were holding in their [hand_name]!")
+		owner.emote("me", 1, "[(owner.species && owner.species.flags & NO_PAIN) ? "" : emote_scream ] drops what they were holding in their [hand_name]!")
 	if(is_malfunctioning())
 		owner.u_equip(c_hand)
 		owner.emote("me", 1, "drops what they were holding, their [hand_name] malfunctioning!")
@@ -738,10 +744,6 @@ This function completely restores a damaged organ to perfect condition.
 		spawn(10)
 			del(spark_system)
 
-//legs
-//returns 1 if this organ can support standing
-/datum/organ/external/proc/can_support_standing()
-	if (!E.is_usable() || malfunction || (broken && !(E.status & ORGAN_SPLINTED)))
 
 /****************************************************
 			   ORGAN DEFINES

code/modules/organs/organ_internal.dm

@@ -10,7 +10,6 @@
 	var/min_broken_damage = 30
 	var/parent_organ = "chest"
 	var/robotic = 0 //For being a robot
-	var/germ_level = 0
 
 /datum/organ/internal/proc/rejuvenate()
 	damage=0
@@ -22,6 +21,7 @@
 	return damage >= min_broken_damage
 
 
+
 /datum/organ/internal/New(mob/living/carbon/human/H)
 	..()
 	var/datum/organ/external/E = H.organs_by_name[src.parent_organ]
@@ -31,6 +31,33 @@
 	H.internal_organs[src.name] = src
 	src.owner = H
 
+/datum/organ/internal/process()
+
+	//Process infections
+	if (!germ_level)
+		return
+
+	var/antibiotics = owner.reagents.get_reagent_amount("spaceacillin")
+	
+	if (germ_level > 0 && antibiotics > 5)
+		if (prob(4*antibiotics)) germ_level--
+		if (antibiotics > 30) germ_level--
+	
+	if (germ_level >= INFECTION_LEVEL_ONE/2)
+		if(prob(round(germ_level/6)))	//aiming for germ level to go from ambient to INFECTION_LEVEL_TWO in an average of 15 minutes
+			germ_level++
+		if(prob(1))
+			take_damage(1,silent=0)
+	
+	if (germ_level >= INFECTION_LEVEL_TWO)
+		var/datum/organ/external/parent = owner.get_organ(parent_organ)
+		if (parent.germ_level < germ_level && ( parent.germ_level < INFECTION_LEVEL_ONE*2 || prob(30) ))
+			parent.germ_level++
+		
+		if (prob(5))	//about once every 20 seconds
+			take_damage(1,silent=prob(30))
+
+
 /datum/organ/internal/proc/take_damage(amount, var/silent=0)
 	if(src.robotic == 2)
 		src.damage += (amount * 0.8)

code/setup.dm

@@ -772,5 +772,6 @@ var/list/RESTRICTED_CAMERA_NETWORKS = list( //Those networks can only be accesse
 #define GERM_LEVEL_AMBIENT		110		//maximum germ level you can reach by standing still
 #define GERM_LEVEL_MOVE_CAP		200		//maximum germ level you can reach by running around
 #define INFECTION_LEVEL_ONE		100
-#define INFECTION_LEVEL_TWO		1000
+#define INFECTION_LEVEL_TWO		500
+#define INFECTION_LEVEL_THREE	1000
 #define INFECTION_LEVEL_TERMINAL	2500