More explosion optimisations

code/game/objects/explosion_recursive.dm

@@ -1,4 +1,7 @@
 /client/proc/kaboom()
+
+	set category = "Debug"
+
 	var/power = input(src, "power?", "power?") as num
 	var/turf/T = get_turf(src.mob)
 	explosion_rec(T, power)
@@ -6,31 +9,12 @@
 /obj
 	var/explosion_resistance
 
-/datum/explosion_turf
-	var/turf/turf //The turf which will get ex_act called on it
-	var/max_power //The largest amount of power the turf sustained
 
-	New()
-		..()
-		max_power = 0
 
-	proc/save_power_if_larger(power)
-		if(power > max_power)
-			max_power = power
-			return 1
-		return 0
+var/list/explosion_turfs = list()
 
-var/list/datum/explosion_turf/explosion_turfs = list()
 var/explosion_in_progress = 0
 
-proc/get_explosion_turf(var/turf/T)
-	for( var/datum/explosion_turf/ET in explosion_turfs )
-		if( T == ET.turf )
-			return ET
-	var/datum/explosion_turf/ET = new()
-	ET.turf = T
-	explosion_turfs += ET
-	return ET
 
 proc/explosion_rec(turf/epicenter, power)
 
@@ -52,9 +36,8 @@ proc/explosion_rec(turf/epicenter, power)
 
 	explosion_in_progress = 1
 	explosion_turfs = list()
-	var/datum/explosion_turf/ETE = get_explosion_turf()
-	ETE.turf = epicenter
-	ETE.max_power = power
+
+	explosion_turfs[epicenter] = power
 
 	//This steap handles the gathering of turfs which will be ex_act() -ed in the next step. It also ensures each turf gets the maximum possible amount of power dealt to it.
 	for(var/direction in cardinal)
@@ -62,22 +45,21 @@ proc/explosion_rec(turf/epicenter, power)
 		T.explosion_spread(power - epicenter.explosion_resistance, direction)
 
 	//This step applies the ex_act effects for the explosion, as planned in the previous step.
-	for( var/datum/explosion_turf/ET in explosion_turfs )
-		if(ET.max_power <= 0) continue
-		if(!ET.turf) continue
+	for(var/turf/T in explosion_turfs)
+		if(explosion_turfs[T] <= 0) continue
+		if(!T) continue
 
 		//Wow severity looks confusing to calculate... Fret not, I didn't leave you with any additional instructions or help. (just kidding, see the line under the calculation)
-		var/severity = 4 - round(max(min( 3, ((ET.max_power - ET.turf.explosion_resistance) / (max(3,(power/3)))) ) ,1), 1)
-								//sanity			effective power on tile				divided by either 3 or one third the total explosion power
+		var/severity = 4 - round(max(min( 3, ((explosion_turfs[T] - T.explosion_resistance) / (max(3,(power/3)))) ) ,1), 1)								//sanity			effective power on tile				divided by either 3 or one third the total explosion power
 								//															One third because there are three power levels and I
 								//															want each one to take up a third of the crater
-		var/x = ET.turf.x
-		var/y = ET.turf.y
-		var/z = ET.turf.z
-		ET.turf.ex_act(severity)
-		if(!ET.turf)
-			ET.turf = locate(x,y,z)
-		for( var/atom/A in ET.turf )
+		var/x = T.x
+		var/y = T.y
+		var/z = T.z
+		T.ex_act(severity)
+		if(!T)
+			T = locate(x,y,z)
+		for(var/atom/A in T)
 			A.ex_act(severity)
 
 	explosion_in_progress = 0
@@ -97,7 +79,7 @@ proc/explosion_rec(turf/epicenter, power)
 /turf/simulated/mineral
 	explosion_resistance = 2
 
-/turf/unsimulated/mineral
+turf/unsimulated/mineral
 	explosion_resistance = 2
 
 /turf/simulated/shuttle/floor
@@ -116,7 +98,7 @@ proc/explosion_rec(turf/epicenter, power)
 	explosion_resistance = 5
 
 /turf/simulated/wall/r_wall
-	explosion_resistance = 25
+	explosion_resistance = 15
 
 //Code-wise, a safe value for power is something up to ~25 or ~30.. This does quite a bit of damage to the station.
 //direction is the direction that the spread took to come to this tile. So it is pointing in the main blast direction - meaning where this tile should spread most of it's force.
@@ -129,10 +111,9 @@ proc/explosion_rec(turf/epicenter, power)
 	new/obj/effect/debugging/marker(src)
 	*/
 
-	var/datum/explosion_turf/ET = get_explosion_turf(src)
-	if(ET.max_power >= power)
+	if(explosion_turfs[src] >= power)
 		return //The turf already sustained and spread a power greated than what we are dealing with. No point spreading again.
-	ET.max_power = power
+	explosion_turfs[src] = power
 
 	var/spread_power = power - src.explosion_resistance //This is the amount of power that will be spread to the tile in the direction of the blast
 	var/side_spread_power = power - 2 * src.explosion_resistance //This is the amount of power that will be spread to the side tiles
@@ -154,7 +135,5 @@ proc/explosion_rec(turf/epicenter, power)
 		T.explosion_spread(spread_power)
 	*/
 
-/*
 /turf/unsimulated/explosion_spread(power)
 	return //So it doesn't get to the parent proc, which simulates explosions
-*/