First commit, time to break the station.

Atmo fixes here, should help lag a bit.  Turfs and air groups start skipping processing ticks if they haven't been doing anything lately.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2264 316c924e-a436-60f5-8080-3fe189b3f50e

code/FEA/DEBUG_REMOVE_BEFORE_RELEASE.dm

@@ -480,6 +480,7 @@ obj/indicator
 	Click()
 		process()
 
+
 obj/window
 	verb
 		destroy()
@@ -550,6 +551,52 @@ mob
 			air_master.process_update_tiles()
 			air_master.process_rebuild_select_groups()
 
+		mark_group_delay()
+			set category = "Debug"
+			if(!air_master)
+				usr << "Cannot find air_system"
+				return
+
+			for(var/datum/air_group/group in air_master.air_groups)
+				group.marker = 0
+
+			for(var/turf/simulated/floor/S in world)
+				S.icon = 'turf_analysis.dmi'
+				if(S.parent)
+					if(S.parent.group_processing)
+						if (S.parent.check_delay < 2)
+							S.parent.marker=1
+						else if (S.parent.check_delay < 5)
+							S.parent.marker=2
+						else if (S.parent.check_delay < 15)
+							S.parent.marker=3
+						else if (S.parent.check_delay < 30)
+							S.parent.marker=4
+						else
+							S.parent.marker=5
+						if(S.parent.borders && S.parent.borders.Find(S))
+							S.icon_state = "on[S.parent.marker]_border"
+						else
+							S.icon_state = "on[S.parent.marker]"
+
+					else
+						if (S.check_delay < 2)
+							S.icon_state= "on1_border"
+						else if (S.check_delay < 5)
+							S.icon_state= "on2_border"
+						else if (S.check_delay < 15)
+							S.icon_state= "on3_border"
+						else if (S.check_delay < 30)
+							S.icon_state= "on4_border"
+						else
+							S.icon_state = "suspended"
+				else
+					if(S.processing)
+						S.icon_state = "individual_on"
+					else
+						S.icon_state = "individual_off"
+
+
 		mark_groups()
 			set category = "Debug"
 			if(!air_master)

code/FEA/FEA_airgroup.dm

@@ -9,6 +9,10 @@ datum
 			//The use of archived cycle saves processing power by permitting the archiving step of FET
 			//	to be rolled into the updating step
 
+		//optimization vars
+		var/tmp/next_check = 0  //number of ticks before this group updates
+		var/tmp/check_delay = 10  //number of ticks between updates, starts fairly high to get boring groups out of the way
+
 		proc
 			archive()
 
@@ -39,6 +43,8 @@ datum
 		suspend_group_processing()
 			update_tiles_from_group()
 			group_processing = 0
+			check_delay=0
+			next_check=0
 
 		update_group_from_tiles()
 			var/sample_member = pick(members)
@@ -52,6 +58,9 @@ datum
 		update_tiles_from_group()
 			for(var/member in members)
 				member:air.copy_from(air)
+				if (istype(member,/turf/simulated))
+					var/turf/simulated/turfmem=member
+					turfmem.reset_delay()
 
 		archive()
 			air.archive()
@@ -79,6 +88,13 @@ datum
 		turf/process_group()
 			current_cycle = air_master.current_cycle
 			if(group_processing) //See if processing this group as a group
+				//check if we're skipping this tick
+				if (next_check > 0)
+					next_check--
+					return 1
+				next_check += check_delay + rand(0,check_delay/2)
+				check_delay++
+
 				var/turf/simulated/list/border_individual = list()
 				var/datum/air_group/list/border_group = list()
 

code/FEA/FEA_fire.dm

@@ -39,6 +39,9 @@ turf
 				active_hotspot.just_spawned = (current_cycle < air_master.current_cycle)
 					//remove just_spawned protection if no longer processing this cell
 
+				//start processing quickly if we aren't already
+				reset_delay()
+
 			return igniting
 
 obj

code/FEA/FEA_turf_tile.dm

@@ -61,6 +61,10 @@ turf
 	var/pressure_difference = 0
 	var/pressure_direction = 0
 
+	//optimization vars
+	var/next_check = 0  //number of ticks before this tile updates
+	var/check_delay = 0  //number of ticks between updates
+
 	proc
 		high_pressure_movements()
 
@@ -80,6 +84,18 @@ turf
 				pressure_difference = connection_difference
 				pressure_direction = connection_direction
 
+			if (istype(src,/turf/simulated))
+				//P=nRT/V
+				var/turf/simulated/me = src
+				var/min_pressure = MINIMUM_AIR_TO_SUSPEND*me.air.temperature*R_IDEAL_GAS_EQUATION/CELL_VOLUME
+				if (connection_difference > min_pressure)
+					//enough air moved, reset wait
+					me.reset_delay()
+					//reset neighbor too
+					var/turf/simulated/enemy_tile = get_step(src, connection_direction)
+					if(istype(enemy_tile))
+						enemy_tile.reset_delay()
+
 	simulated
 		proc
 			consider_pressure_difference_space(connection_difference)
@@ -90,8 +106,11 @@ turf
 								air_master.high_pressure_delta += src
 							pressure_direction = direction
 							pressure_difference = connection_difference
+
+
 							return 1
 
+
 turf
 	simulated
 
@@ -127,6 +146,7 @@ turf
 			mimic_temperature_with_tile(turf/model)
 			share_temperature_with_tile(turf/simulated/sharer)
 
+
 			super_conduct()
 
 			update_visuals(datum/gas_mixture/model)
@@ -194,6 +214,9 @@ turf
 						parent.suspend_group_processing()
 						air.merge(giver)
 				else
+					if (giver.total_moles() > MINIMUM_AIR_TO_SUSPEND)
+						reset_delay()
+
 					air.merge(giver)
 
 					if(!processing)
@@ -297,6 +320,13 @@ turf
 				processing = 0
 
 		process_cell()
+			//check if we're skipping this tick
+			if (next_check > 0)
+				next_check--
+				return 1
+			next_check += check_delay + rand(0,check_delay/2)
+			check_delay++
+
 			var/turf/simulated/list/possible_fire_spreads = list()
 			if(processing)
 				if(archived_cycle < air_master.current_cycle) //archive self if not already done
@@ -542,3 +572,8 @@ turf
 			being_superconductive = 1
 
 			air_master.active_super_conductivity += src
+
+		proc/reset_delay()
+			//sets this turf to process quickly again
+			next_check=0
+			check_delay=0

code/game/objects/alien/resin.dm

@@ -158,3 +158,9 @@
 			for(var/mob/O in viewers(src, 3))
 				O.show_message(text("\red An alien larva bursts from the resin wall!"), 1, text("\red You hear a high, alien screech nearby!"), 2)
 	return
+
+/obj/alien/resin/CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
+	if(air_group) return 0
+	if(istype(mover) && mover.checkpass(PASSGLASS))
+		return !opacity
+	return !density