Refactors Sun and Inactivity processes to subsystems, and a few globa lvariables to be managed

code/datums/sun.dm

@@ -1,38 +1,21 @@
-#define SOLAR_UPDATE_TIME 600 //duration between two updates of the whole sun/solars positions
-
 /datum/sun
 	var/angle
 	var/dx
 	var/dy
 	var/rate
-	var/list/solars			// for debugging purposes, references solars_list at the constructor
 	var/solar_next_update	// last time the sun position was checked and adjusted
 
 /datum/sun/New()
-
-	solars = solars_list
 	rate = rand(50,200)/100			// 50% - 200% of standard rotation
 	if(prob(50))					// same chance to rotate clockwise than counter-clockwise
 		rate = -rate
-	solar_next_update = world.time	// init the timer
 	angle = rand (0,360)			// the station position to the sun is randomised at round start
 
-/*/hook/startup/proc/createSun() // handled in scheduler
-	sun = new /datum/sun()
-	return 1*/
-
 // calculate the sun's position given the time of day
 // at the standard rate (100%) the angle is increase/decreased by 6 degrees every minute.
 // a full rotation thus take a game hour in that case
 /datum/sun/proc/calc_position()
-
-	if(world.time < solar_next_update) //if less than 60 game secondes have passed, do nothing
-		return;
-
 	angle = (360 + angle + rate * 6) % 360	 // increase/decrease the angle to the sun, adjusted by the rate
-
-	solar_next_update += SOLAR_UPDATE_TIME // since we updated the angle, set the proper time for the next loop
-
 	// now calculate and cache the (dx,dy) increments for line drawing
 
 	var/s = sin(angle)
@@ -51,8 +34,8 @@
 		dy = c / abs(s)
 
 	//now tell the solar control computers to update their status and linked devices
-	for(var/obj/machinery/power/solar_control/SC in solars_list)
+	for(var/obj/machinery/power/solar_control/SC in GLOB.solars_list)
 		if(!SC.powernet)
-			solars_list.Remove(SC)
+			GLOB.solars_list.Remove(SC)
 			continue
 		SC.update()