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Adds thermal radiation into space for human mobs

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Main effect is that IPCs won't gain temperature infinitely anymore.
This commit is contained in:
mwerezak
2015-11-10 23:16:53 -05:00
parent 28db4587f2
commit 52deec9fde
3 changed files with 12 additions and 3 deletions
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1
code/__defines/atmos.dm
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@@ -17,6 +17,7 @@
#define BREATH_MOLES (ONE_ATMOSPHERE * BREATH_VOLUME / (T20C * R_IDEAL_GAS_EQUATION)) // Amount of air to take a from a tile
#define BREATH_PERCENTAGE (BREATH_VOLUME / CELL_VOLUME) // Amount of air needed before pass out/suffocation commences.
#define HUMAN_NEEDED_OXYGEN (MOLES_CELLSTANDARD * BREATH_PERCENTAGE * 0.16)
#define HUMAN_HEAT_CAPACITY 280000 //J/K For 80kg person
#define SOUND_MINIMUM_PRESSURE 10

1
code/__defines/math_physics.dm
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@@ -13,6 +13,7 @@
#define GAS_CRITICAL_TEMPERATURE 132.65 // K. The critical point temperature for air.
#define RADIATOR_EXPOSED_SURFACE_AREA_RATIO 0.04 // (3 cm + 100 cm * sin(3deg))/(2*(3+100 cm)). Unitless ratio.
#define HUMAN_EXPOSED_SURFACE_AREA 5.2 //m^2, surface area of 1.7m (H) x 0.46m (D) cylinder
#define T0C 273.15 // 0.0 degrees celcius
#define T20C 293.15 // 20.0 degrees celcius

13
code/modules/mob/living/carbon/human/life.dm
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@@ -580,7 +580,14 @@
pl_effects()
break
if(!istype(get_turf(src), /turf/space)) //space is not meant to change your body temperature.
if(istype(get_turf(src), /turf/space))
//Don't bother if the temperature drop is less than 0.1 anyways. Hopefully BYOND is smart enough to turn this constant expression into a constant
if(bodytemperature > (0.1 * HUMAN_HEAT_CAPACITY/(HUMAN_EXPOSED_SURFACE_AREA*STEFAN_BOLTZMANN_CONSTANT))**(1/4) + COSMIC_RADIATION_TEMPERATURE)
//Thermal radiation into space
var/heat_loss = HUMAN_EXPOSED_SURFACE_AREA * STEFAN_BOLTZMANN_CONSTANT * ((bodytemperature - COSMIC_RADIATION_TEMPERATURE)**4)
var/temperature_loss = heat_loss/HUMAN_HEAT_CAPACITY
bodytemperature -= temperature_loss
else
var/loc_temp = T0C
if(istype(loc, /obj/mecha))
var/obj/mecha/M = loc
@@ -594,7 +601,7 @@
pressure_alert = 0
return // Temperatures are within normal ranges, fuck all this processing. ~Ccomp
//Body temperature adjusts depending on surrounding atmosphere based on your thermal protection
//Body temperature adjusts depending on surrounding atmosphere based on your thermal protection (convection)
var/temp_adj = 0
if(loc_temp < bodytemperature) //Place is colder than we are
var/thermal_protection = get_cold_protection(loc_temp) //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.
@@ -695,7 +702,7 @@
if (abs(body_temperature_difference) < 0.5)
return //fuck this precision
if (on_fire)
return //too busy for pesky convection
return //too busy for pesky metabolic regulation
if(bodytemperature < species.cold_level_1) //260.15 is 310.15 - 50, the temperature where you start to feel effects.
if(nutrition >= 2) //If we are very, very cold we'll use up quite a bit of nutriment to heat us up.