Made hotspots take generic fires into account

code/game/machinery/spaceheater.dm

@@ -66,7 +66,7 @@
 	if(panel_open)
 		. += "sheater-open"
 
-/obj/machinery/space_heater/process()
+/obj/machinery/space_heater/process_atmos()
 	if(!on || !is_operational())
 		if (on) // If it's broken, turn it off too
 			on = FALSE
@@ -220,7 +220,7 @@
 			usr.visible_message("<span class='notice'>[usr] switches [on ? "on" : "off"] \the [src].</span>", "<span class='notice'>You switch [on ? "on" : "off"] \the [src].</span>")
 			update_icon()
 			if (on)
-				START_PROCESSING(SSmachines, src)
+				SSair.atmos_air_machinery += src
 			. = TRUE
 		if("mode")
 			setMode = params["mode"]

code/modules/atmospherics/auxgm/gas_types.dm

@@ -117,7 +117,7 @@
 	specific_heat = 80
 	name = "Pluoxium"
 	fusion_power = 10
-	oxidation_temperature = FIRE_MINIMUM_TEMPERATURE_TO_EXIST + 100
+	oxidation_temperature = FIRE_MINIMUM_TEMPERATURE_TO_EXIST * 1000 // it is VERY stable
 	oxidation_rate = 8
 
 /datum/gas/miasma

code/modules/atmospherics/environmental/LINDA_fire.dm

@@ -13,21 +13,19 @@
 	if(!air)
 		return
 
-	var/oxy = air.get_moles(GAS_O2)
+	if (air.get_oxidation_power(exposed_temperature) < 0.5)
-	if (oxy < 0.5)
 		return
-	var/tox = air.get_moles(GAS_PLASMA)
+	var/has_fuel = air.get_moles(GAS_PLASMA) > 0.5 || air.get_moles(GAS_TRITIUM) > 0.5 || air.get_fuel_amount(exposed_temperature) > 0.5
-	var/trit = air.get_moles(GAS_TRITIUM)
 	if(active_hotspot)
 		if(soh)
-			if(tox > 0.5 || trit > 0.5)
+			if(has_fuel)
 				if(active_hotspot.temperature < exposed_temperature)
 					active_hotspot.temperature = exposed_temperature
 				if(active_hotspot.volume < exposed_volume)
 					active_hotspot.volume = exposed_volume
 		return
 
-	if((exposed_temperature > PLASMA_MINIMUM_BURN_TEMPERATURE) && (tox > 0.5 || trit > 0.5))
+	if((exposed_temperature > PLASMA_MINIMUM_BURN_TEMPERATURE) && has_fuel)
 		active_hotspot = new /obj/effect/hotspot(src, exposed_volume*25, exposed_temperature)
 
 //This is the icon for fire on turfs, also helps for nurturing small fires until they are full tile
@@ -154,13 +152,7 @@
 	if((temperature < FIRE_MINIMUM_TEMPERATURE_TO_EXIST) || (volume <= 1))
 		qdel(src)
 		return
-	if(!location.air || (INSUFFICIENT(GAS_PLASMA) && INSUFFICIENT(GAS_TRITIUM)) || INSUFFICIENT(GAS_O2))
+	if(!location.air || location.air.get_oxidation_power() < 0.5 || (INSUFFICIENT(GAS_PLASMA) && INSUFFICIENT(GAS_TRITIUM) && location.air.get_fuel_amount() < 0.5))
-		qdel(src)
-		return
-
-	//Not enough to burn
-	// god damn it previous coder you made the INSUFFICIENT macro for a fucking reason why didn't you use it here smh
-	if((INSUFFICIENT(GAS_PLASMA) && INSUFFICIENT(GAS_TRITIUM)) || INSUFFICIENT(GAS_O2))
 		qdel(src)
 		return
 

code/modules/atmospherics/gasmixtures/gas_mixture.dm

@@ -226,6 +226,12 @@ we use a hook instead
 	//Makes this mix have the same temperature and gas ratios as the giver, but with the same pressure, accounting for volume.
 	//Returns: null
 
+/datum/gas_mixture/proc/get_oxidation_power(temp)
+	//Gets how much oxidation this gas can do, optionally at a given temperature.
+
+/datum/gas_mixture/proc/get_fuel_amount(temp)
+	//Gets how much fuel for fires (not counting trit/plasma!) this gas has, optionally at a given temperature.
+
 /proc/equalize_all_gases_in_list(list/L)
 	//Makes every gas in the given list have the same pressure, temperature and gas proportions.
 	//Returns: null