Ported TG's code for burny mobs, by ergoslavi.

code/game/objects/items/weapons/cigs_lighters.dm

@@ -31,6 +31,9 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 	attack_verb = list("burnt", "singed")
 
 /obj/item/weapon/flame/match/process()
+	if(isliving(loc))
+		var/mob/living/M = loc
+		M.IgniteMob()
 	var/turf/location = get_turf(src)
 	smoketime--
 	if(smoketime < 1)
@@ -162,6 +165,9 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 
 
 /obj/item/clothing/mask/cigarette/process()
+	if(isliving(loc))
+		var/mob/living/M = loc
+		M.IgniteMob()
 	var/turf/location = get_turf(src)
 	smoketime--
 	if(smoketime < 1)
@@ -444,6 +450,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 /obj/item/weapon/flame/lighter/attack(mob/living/carbon/M as mob, mob/living/carbon/user as mob)
 	if(!istype(M, /mob))
 		return
+	M.IgniteMob()
 
 	if(istype(M.wear_mask, /obj/item/clothing/mask/cigarette) && user.zone_sel.selecting == "mouth" && lit)
 		var/obj/item/clothing/mask/cigarette/cig = M.wear_mask

code/game/objects/items/weapons/extinguisher.dm

@@ -13,7 +13,7 @@
 	force = 10.0
 	matter = list("metal" = 90)
 	attack_verb = list("slammed", "whacked", "bashed", "thunked", "battered", "bludgeoned", "thrashed")
-	
+
 	var/spray_particles = 6
 	var/spray_amount = 2	//units of liquid per particle
 	var/max_water = 120
@@ -124,7 +124,7 @@
 				R.my_atom = W
 				if(!W || !src) return
 				src.reagents.trans_to(W, spray_amount)
-			
+
 				for(var/b=0, b<5, b++)
 					step_towards(W,my_target)
 					if(!W || !W.reagents) return
@@ -135,6 +135,9 @@
 						if(!W.reagents)
 							break
 						W.reagents.reaction(atm)
+						if(isliving(atm)) //For extinguishing mobs on fire
+							var/mob/living/M = atm
+							M.ExtinguishMob()
 					if(W.loc == my_target) break
 					sleep(2)
 				W.delete()

code/game/objects/items/weapons/tools.dm

@@ -259,6 +259,9 @@
 	if (src.welding)
 		remove_fuel(1)
 		var/turf/location = get_turf(user)
+		if(isliving(O))
+			var/mob/living/L = O
+			L.IgniteMob()
 		if (istype(location, /turf))
 			location.hotspot_expose(700, 50, 1)
 	return
@@ -531,4 +534,4 @@
 	if(!resolved && tool && target)
 		tool.afterattack(target,user,1)
 	if(tool)
-		tool.loc = src*/
+		tool.loc = src*/