lava dot component

code/datums/components/damage_over_time.dm

@@ -15,20 +15,28 @@
 	var/cause_path
 	/// Whether the damage is considered to be from an environmental source
 	var/enviro = FALSE
+	/// Whether the DOT applies fire stacks or not
+	var/apply_fire = FALSE
+	/// stuff for fire stacks
+	var/burn_reagent = /datum/reagent/napalm/ut
+	var/burn_stacks = 30
 
 	/// Parent as a living mob
 	var/mob/living/living_parent
 
-/datum/component/damage_over_time/InheritComponent(cause_path, dam_amount, dam_type, target_temp, temp_delta, synth_dmg_mult, pred_dmg_mult, warning_message, enviro)
+/datum/component/damage_over_time/InheritComponent(cause_path, dam_amount, dam_type, target_temp, temp_delta, synth_dmg_mult, pred_dmg_mult, warning_message, enviro, apply_fire, burn_reagent, burn_stacks)
 	return // Ultimately just here to suppress named arg errors
 
-/datum/component/damage_over_time/Initialize(cause_path, dam_amount=5, dam_type=BURN, target_temp=T90C, temp_delta=5, synth_dmg_mult=0.5, pred_dmg_mult=0.5, warning_message="You feel your body start to shake as the scalding water sears your skin, heat overwhelming your senses...", enviro=FALSE)
+/datum/component/damage_over_time/Initialize(cause_path, dam_amount=5, dam_type=BURN, target_temp=T90C, temp_delta=5, synth_dmg_mult=0.5, pred_dmg_mult=0.5, warning_message="You feel your body start to shake as the scalding water sears your skin, heat overwhelming your senses...", enviro=FALSE, apply_fire=FALSE, burn_reagent = /datum/reagent/napalm/ut, burn_stacks = 30)
 	src.dam_amount = dam_amount
 	src.dam_type = dam_type
 	src.target_temp = target_temp
 	src.temp_delta = temp_delta
 	src.cause_path = cause_path
 	src.enviro = enviro
+	src.apply_fire = apply_fire
+	src.burn_reagent = burn_reagent
+	src.burn_stacks = burn_stacks
 
 	living_parent = parent
 
@@ -78,6 +86,12 @@
 			living_parent.bodytemperature -= temp_delta
 		else
 			living_parent.bodytemperature = target_temp
+	if(apply_fire)
+		if(ispath(burn_reagent))
+			var/datum/reagent/temp = burn_reagent
+			burn_reagent = GLOB.chemical_reagents_list[initial(temp.id)]
+		living_parent.TryIgniteMob(burn_stacks, burn_reagent) //30 burn stacks, proc needs a reagent to work.
+
 
 /datum/component/damage_over_time/RegisterWithParent()
 	START_PROCESSING(SSdcs, src)

code/modules/fire_colony/lava.dm

@@ -0,0 +1,33 @@
+/obj/effect/blocker/lava
+	anchored = TRUE
+	density = FALSE
+	opacity = FALSE
+	unacidable = 1
+	layer = ABOVE_FLY_LAYER //to make it visible in the map editor
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+	icon = 'icons/landmarks.dmi'
+
+	icon_state = "map_blocker_hazard"
+
+	var/dam_amount = 2
+	var/dam_type = BURN
+	var/target_temp = T120C
+	var/temp_delta = 10
+	var/warning_message = "You are in lava now" //TODO: change this
+	var/burn_reagent = /datum/reagent/napalm/ut
+	var/burn_stacks = 30
+
+/obj/effect/blocker/lava/Initialize(mapload, ...)
+	. = ..()
+	invisibility = 101
+
+/obj/effect/blocker/lava/Crossed(mob/living/affected_mob)
+	if(!ismob(affected_mob))
+		return
+	if(affected_mob.stat == DEAD)
+		return
+	if(!ishuman(affected_mob))
+		return
+
+	affected_mob.AddComponent(/datum/component/damage_over_time, /obj/effect/blocker/lava, dam_amount = dam_amount, dam_type = dam_type, target_temp = target_temp, temp_delta = temp_delta, synth_dmg_mult=0.8, pred_dmg_mult=0.8, warning_message=warning_message, enviro=TRUE, apply_fire=TRUE, burn_reagent = burn_reagent, burn_stacks = burn_stacks)
+

colonialmarines.dme

@@ -1931,6 +1931,7 @@
 #include "code\modules\events\destructible_terrain.dm"
 #include "code\modules\events\inflation.dm"
 #include "code\modules\events\nothing_happens.dm"
+#include "code\modules\fire_colony\lava.dm"
 #include "code\modules\fishing\bait\generic.dm"
 #include "code\modules\fishing\datums\generic.dm"
 #include "code\modules\fishing\datums\helpers.dm"