-Small improvement to atmos. Changed the "locate a space tile every time" to instead use a pre-located space tile. It'll stop the need to locate one everytime, but in the off-chance that the space tile isn't there anymore, it'll locate a new one.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@4662 316c924e-a436-60f5-8080-3fe189b3f50e

code/FEA/FEA_turf_tile.dm

@@ -499,10 +499,12 @@ turf
 								mimic_temperature_solid(neighbor, neighbor.thermal_conductivity)
 
 			//Radiate excess tile heat to space
-			var/turf/space/sample_space = locate(/turf/space)
-			if(sample_space && (temperature > T0C))
-			//Considering 0 degC as te break even point for radiation in and out
-				mimic_temperature_solid(sample_space, FLOOR_HEAT_TRANSFER_COEFFICIENT)
+			if(temperature > T0C)
+				// Is there a pre-defined Space Tile?
+				if(!Space_Tile)
+					Space_Tile = locate(/turf/space) // Define one
+				//Considering 0 degC as te break even point for radiation in and out
+				mimic_temperature_solid(Space_Tile, FLOOR_HEAT_TRANSFER_COEFFICIENT)
 
 			//Conduct with air on my tile if I have it
 			if(air)

code/setup.dm

@@ -105,6 +105,8 @@
 #define T20C 293.15					// 20degC
 #define TCMB 2.7					// -270.3degC
 
+var/turf/space/Space_Tile = locate(/turf/space) // A space tile to reference when atmos wants to remove excess heat.
+
 #define TANK_LEAK_PRESSURE		(30.*ONE_ATMOSPHERE)	// Tank starts leaking
 #define TANK_RUPTURE_PRESSURE	(40.*ONE_ATMOSPHERE) // Tank spills all contents into atmosphere