some more changes

code/__DEFINES/atmospherics/atmos_mob_interaction.dm

@@ -90,7 +90,8 @@
 #define BODYTEMP_COLD_DAMAGE_LIMIT CELCIUS_TO_KELVIN(-0.5 CELCIUS)
 
 /// The maximum temperature of Lavaland
-#define LAVALAND_MAX_TEMPERATURE 350
+#define LAVALAND_MAX_TEMPERATURE CELCIUS_TO_KELVIN(76.85 CELCIUS)// 350 KELVIN
+#define ICEBOX_MIN_TEMPERATURE CELCIUS_TO_KELVIN(-93.15 CELCIUS)
 
 /// A temperature limit which is above the maximum lavaland temperature
 #define BODYTEMP_HEAT_LAVALAND_SAFE (LAVALAND_MAX_TEMPERATURE + 5 KELVIN)

code/datums/atmosphere/planetary.dm

@@ -47,8 +47,8 @@
 	minimum_pressure = HAZARD_LOW_PRESSURE + 10
 	maximum_pressure = LAVALAND_EQUIPMENT_EFFECT_PRESSURE - 1
 
-	minimum_temp = 180
-	maximum_temp = 180
+	minimum_temp = ICEBOX_MIN_TEMPERATURE
+	maximum_temp = ICEBOX_MIN_TEMPERATURE
 
 /datum/atmosphere/oshan
 	id = OSHAN_DEFAULT_ATMOS

code/modules/mob/living/life.dm

@@ -111,21 +111,26 @@
 	var/temp_delta = loc_temp - bodytemperature
 	if(temp_delta == 0)
 		return
-	if(temp_delta < 0 && on_fire) // do not reduce body temp when on fire
+	if(temp_delta < 0 && on_fire)
 		return
 
-	// Get the insulation value based on the area's temp
 	var/thermal_protection = get_insulation(loc_temp)
 	var/protection_modifier = 1
 	if(bodytemperature > standard_body_temperature + 2 KELVIN)
-		// we are overheating and sweaty - insulation is not as good reducing thermal protection
 		protection_modifier = 0.7
 
-	var/temp_sign = SIGN(temp_delta)
-	var/temp_change =  temp_sign * (1 - (thermal_protection * protection_modifier)) * ((0.1 * max(1, abs(temp_delta))) ** 1.8) * temperature_normalization_speed
+	// Calculate the equilibrium temperature considering insulation
+	var/equilibrium_temp = get_insulated_equilibrium_temperature(loc_temp, thermal_protection * protection_modifier)
+
+	var/temp_change = (equilibrium_temp - bodytemperature) * temperature_normalization_speed * seconds_per_tick
+
 	// Cap increase and decrease
 	temp_change = temp_change < 0 ? max(temp_change, BODYTEMP_HOMEOSTASIS_COOLING_MAX) : min(temp_change, BODYTEMP_HOMEOSTASIS_HEATING_MAX)
-	adjust_bodytemperature(temp_change * seconds_per_tick) // no use_insulation beacuse we account for it manually
+
+	adjust_bodytemperature(temp_change * seconds_per_tick) // No use_insulation because we manually account for it
+
+/mob/living/proc/get_insulated_equilibrium_temperature(environment_temp, insulation)
+    return environment_temp + (standard_body_temperature - environment_temp) * insulation
 
 /mob/living/silicon/handle_environment(datum/gas_mixture/environment, seconds_per_tick, times_fired)
 	return // Not yet

monkestation/code/modules/temperature_overhaul/living_procs.dm

@@ -91,9 +91,6 @@
 	// Body temperature is too cold, and we do not have resist traits
 	if(feels_like < cold_threshold_low && !HAS_TRAIT(src, TRAIT_RESISTCOLD))
 		clear_mood_event("hot")
-		// Only apply slowdown if the body is cold rather than the skin
-		if(bodytemperature < cold_threshold_medium)
-			add_or_update_variable_movespeed_modifier(/datum/movespeed_modifier/cold, multiplicative_slowdown = ((BODYTEMP_COLD_WARNING_2 - bodytemperature) / COLD_SLOWDOWN_FACTOR))
 		if(feels_like < cold_threshold_high)
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/cold, 3)
 			add_mood_event("cold", /datum/mood_event/freezing)
@@ -104,12 +101,15 @@
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/cold, 1)
 			add_mood_event("cold", /datum/mood_event/chilly)
 		temp_alerts = TRUE
+	// Only apply slowdown if the body is cold rather than the skin
+	if(bodytemperature < cold_threshold_medium && !HAS_TRAIT(src, TRAIT_RESISTCOLD))
+		add_or_update_variable_movespeed_modifier(/datum/movespeed_modifier/cold, multiplicative_slowdown = ((cold_threshold_medium - bodytemperature) / COLD_SLOWDOWN_FACTOR))
+	else if(LAZYACCESS(movespeed_modification, /datum/movespeed_modifier/cold))
+		remove_movespeed_modifier(/datum/movespeed_modifier/cold)
 
 	// We are not to hot or cold, remove status and moods
 	if(temp_alerts && (feels_like < hot_threshold_low || HAS_TRAIT(src, TRAIT_RESISTHEAT)) && (feels_like > cold_threshold_low || HAS_TRAIT(src, TRAIT_RESISTCOLD)))
 		clear_alert(ALERT_TEMPERATURE)
-		if(bodytemperature > cold_threshold_medium)
-			remove_movespeed_modifier(/datum/movespeed_modifier/cold)
 		clear_mood_event("cold")
 		clear_mood_event("hot")
 		temp_alerts = FALSE

monkestation/code/modules/temperature_overhaul/temperature_proc.dm

@@ -70,8 +70,6 @@
 		amount *= (1 - get_insulation(bodytemperature + amount))
 	if(amount == 0)
 		return FALSE
-	amount = round(amount, 0.01)
-
 	if(amount == 0)
 		return 0
 	amount = round(amount, 0.01)

monkestation/code/modules/the_fabled_dna_changes/species_color_pallettes/_color_pallette.dm

@@ -20,7 +20,6 @@
 			retrieved_var = vars[mainvar]
 			if(retrieved_var)
 				return retrieved_var
-		stack_trace("return_color called with a bad varname.")
 		return default_color
 
 	return retrieved_var

monkestation/code/modules/the_fabled_dna_changes/species_color_pallettes/ornithids.dm

@@ -11,7 +11,7 @@
 /datum/color_palette/ornithids/apply_prefs(datum/preferences/incoming)
 	feather_main = incoming.read_preference(/datum/preference/color/feather_color)
 	feather_secondary = incoming.read_preference(/datum/preference/color/feather_color_secondary)
-	feather_tri = incoming.read_preference(/datum/preferences/color/feather_color_tri)
+	feather_tri = incoming.read_preference(/datum/preference/color/feather_color_tri)
 	plummage = incoming.read_preference(/datum/preference/color/plummage_color)
 	tail = incoming.read_preference(/datum/preference/color/feather_tail_color)