Merge pull request #12802 from VOREStation/upstream-merge-8409

[MIRROR] HE pipe turf interaction

code/ATMOSPHERICS/datum_pipeline.dm

@@ -161,7 +161,16 @@
 
 	if(istype(target, /turf/simulated))
 		var/turf/simulated/modeled_location = target
+		
+		if(modeled_location.special_temperature)//First do special interactions then the usuall stuff
 
+			var/delta_temp = modeled_location.special_temperature - air.temperature//2200C - 20C = 2180K
+			//assuming aluminium with thermal conductivity 235 W * K / m, Copper (400), Silver (430), steel (50), gold (320)
+			var/heat_gain = 23500 * 100 * delta_temp
+			air.add_thermal_energy(heat_gain)
+			if(network)
+				network.update = 1
+		
 		if(modeled_location.blocks_air)
 
 			if((modeled_location.heat_capacity>0) && (partial_heat_capacity>0))

code/ATMOSPHERICS/pipes/he_pipes.dm

@@ -98,7 +98,8 @@
 			else
 				var/datum/gas_mixture/environment = loc.return_air()
 				environment_temperature = environment.temperature
-			if(abs(environment_temperature-pipe_air.temperature) > minimum_temperature_difference)
+			var/turf/simulated/loc_as_turf = loc
+			if((abs(environment_temperature-pipe_air.temperature) > minimum_temperature_difference) || (loc_as_turf.special_temperature))
 				parent.temperature_interact(loc, volume, thermal_conductivity)
 		else if(istype(loc, /turf/space/))
 			parent.radiate_heat_to_space(surface, 1)

code/game/turfs/simulated.dm

@@ -16,6 +16,7 @@
 	var/can_start_dirty = TRUE	// If false, cannot start dirty roundstart
 	var/dirty_prob = 2	// Chance of being dirty roundstart
 	var/dirt = 0
+	var/special_temperature //Used for turf HE-Pipe interaction
 
 // This is not great.
 /turf/simulated/proc/wet_floor(var/wet_val = 1)

code/game/turfs/simulated/water.dm

@@ -102,6 +102,7 @@
 	edge_blending_priority = -2
 	movement_cost = 8
 	depth = 2
+	special_temperature = T0C - 5.5 //as cool as the atmosphere outside, if someone asks, its the phoron solved in the water that stops the freezing
 
 /turf/simulated/floor/water/pool
 	name = "pool"