a bunch of stuff

5° min temp adjustment for active cooling
150% max total cooling efficiency as opposed to 100%
passive heating cools instead at >100% efficiency (to -30°C min)
EMPs jam cooling system readouts.
Nanogel is now printable, for a decent price though it needs a bit of diamond.

code/modules/mob/living/carbon/human/human_defense.dm

@@ -416,6 +416,7 @@
 	severity *= 0.5
 	var/do_not_stun = FALSE
 	if(HAS_TRAIT(src, TRAIT_ROBOTIC_ORGANISM))
+		hud_used?.coolant_display.jammed = min(round(hud_used.coolant_display.jammed + (severity / 10),1), 20)	//Messes up the cooling system readout.
 		severity *= 0.5 //Robotpeople take less limb damage, but instead suffer system corruption (see carbon emp_act)
 		do_not_stun = TRUE
 	for(var/obj/item/bodypart/L in src.bodyparts)

code/modules/mob/living/carbon/human/life.dm

@@ -31,7 +31,7 @@
 	if(!(. = ..()))
 		return
 	if(HAS_TRAIT(src, TRAIT_ROBOTIC_ORGANISM) && hud_used)
-		hud_used.coolant_display.update_counter(blood_volume, src)
+		hud_used.coolant_display.update_counter(src)
 	//Update our name based on whether our face is obscured/disfigured
 	name = get_visible_name()
 

code/modules/mob/living/carbon/human/species.dm

@@ -2190,8 +2190,8 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 			natural = H.natural_bodytemperature_stabilization()
 			cooling_efficiency = H.get_cooling_efficiency()
 
-		if(HAS_TRAIT(H, TRAIT_ROBOTIC_ORGANISM))	//Synths by default slowly heat up and need to lose said heat to the environment or active cooling.
-			H.adjust_bodytemperature(SYNTH_PASSIVE_HEAT_GAIN * (1 - cooling_efficiency), max_temp = (T0C + SYNTH_MAX_PASSIVE_GAIN_TEMP))
+		if(HAS_TRAIT(H, TRAIT_ROBOTIC_ORGANISM))	//Synths by default slowly heat up and need to lose said heat to the environment or active cooling. If you have very high cooling efficiency, you instead passively cool.
+			H.adjust_bodytemperature(SYNTH_PASSIVE_HEAT_GAIN * (1 - cooling_efficiency), (T0C + SYNTH_MIN_PASSIVE_COOLING_TEMP), (T0C + SYNTH_MAX_PASSIVE_GAIN_TEMP))
 		var/thermal_protection = 1
 		if(loc_temp < H.bodytemperature) //Place is colder than we are
 			thermal_protection -= H.get_thermal_protection(loc_temp, TRUE) //This returns a 0 - 1 value, which corresponds to the percentage of protection based on what you're wearing and what you're exposed to.

code/modules/mob/living/carbon/life.dm

@@ -683,7 +683,7 @@ GLOBAL_LIST_INIT(ballmer_windows_me_msg, list("Yo man, what if, we like, uh, put
 	var/coolant_efficiency = min(blood_effective_volume / BLOOD_VOLUME_SAFE, 1)	//Low coolant is only a negative, adding more than needed will not help you.
 	var/environment_efficiency = get_environment_cooling_efficiency()
 
-	return min(coolant_efficiency * environment_efficiency, 1)
+	return min(coolant_efficiency * environment_efficiency, SYNTH_MAX_COOLING_EFFICIENCY)
 
 
 /mob/living/carbon/proc/get_environment_cooling_efficiency()

code/modules/research/designs/medical_designs.dm

@@ -213,7 +213,7 @@
 	category = list("Medical Designs")
 	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
 
-/datum/design/hypospray/mkii
+/datum/design/hypospray_mkii
 	name = "Hypospray Mk. II"
 	id = "hypospray_mkii"
 	build_type = PROTOLATHE
@@ -222,6 +222,15 @@
 	category = list("Medical Designs")
 	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL
 
+/datum/design/nanogel
+	name = "Nanogel paste"
+	id = "nanogel"
+	build_type = PROTOLATHE | MECHFAB
+	materials = list(/datum/material/iron = 800, /datum/material/titanium = 500, /datum/material/gold = 100, /datum/material/diamond = 20)
+	build_path = /obj/item/stack/medical/nanogel/one
+	category = list("Medical Designs")
+	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL | DEPARTMENTAL_FLAG_SCIENCE
+
 /datum/design/blood_bag
 	name = "Empty Blood Bag"
 	desc = "A small sterilized plastic bag for blood."

code/modules/research/techweb/nodes/robotics_nodes.dm

@@ -28,7 +28,7 @@
 	display_name = "Advanced Robotics Research"
 	description = "It can even do the dishes!"
 	prereq_ids = list("robotics")
-	design_ids = list("borg_upgrade_diamonddrill", "borg_upgrade_advancedmop", "borg_upgrade_advcutter")
+	design_ids = list("borg_upgrade_diamonddrill", "borg_upgrade_advancedmop", "borg_upgrade_advcutter", "nanogel")
 	research_costs = list(TECHWEB_POINT_TYPE_GENERIC = 3000)
 
 /datum/techweb_node/neural_programming

code/modules/surgery/organs/lungs.dm

@@ -484,9 +484,9 @@
 	var/actual_drain = cooling_coolant_drain * max(1 - cooling_efficiency, 0.2)	//Being in a suitable environment reduces drain by up to 80%
 	var/temp_diff = owner.bodytemperature - T20C
 	if(temp_diff > 0)
-		owner.adjust_bodytemperature(max(((T0C - owner.bodytemperature) * max(cooling_efficiency, 0.5) / BODYTEMP_COLD_DIVISOR), BODYTEMP_COOLING_MAX))
+		owner.adjust_bodytemperature(clamp(((T0C - owner.bodytemperature) * max(cooling_efficiency, 0.5) / BODYTEMP_COLD_DIVISOR), BODYTEMP_COOLING_MAX, -SYNTH_ACTIVE_COOLING_MIN_ADJUSTMENT))
 	else
-		owner.adjust_bodytemperature(min(((T20C - owner.bodytemperature) * max(cooling_efficiency, 0.5) / BODYTEMP_HEAT_DIVISOR), BODYTEMP_HEATING_MAX))
+		owner.adjust_bodytemperature(clamp(((T20C - owner.bodytemperature) * max(cooling_efficiency, 0.5) / BODYTEMP_HEAT_DIVISOR), SYNTH_ACTIVE_COOLING_MIN_ADJUSTMENT, BODYTEMP_HEATING_MAX))
 	var/datum/gas_mixture/air = owner.loc.return_air()
 	if(!air || air.return_pressure() < ONE_ATMOSPHERE * SYNTH_ACTIVE_COOLING_LOW_PRESSURE_THRESHOLD)
 		actual_drain *= SYNTH_ACTIVE_COOLING_LOW_PRESSURE_PENALTY	//Our cooling system can handle hot places okayish, but starts to cry at low pressures (reads: Effectively vents hot coolant thats been warmed up via internal heat-exchange as emergency measure and with very low efficiency)