Ports "Fixes default supplypods exploding their contents" & co.

code/datums/explosion.dm

@@ -198,6 +198,7 @@ GLOBAL_LIST_EMPTY(explosions)
 			var/list/items = list()
 			for(var/I in T)
 				var/atom/A = I
+				if (!A.prevent_content_explosion()) //The atom/contents_explosion() proc returns null if the contents ex_acting has been handled by the atom, and TRUE if it hasn't.
 					items += A.GetAllContents()
 			for(var/O in items)
 				var/atom/A = O

code/game/atoms.dm

@@ -289,8 +289,11 @@
 		to_chat(user, "<span class='warning'>You can't move while buckled to [src]!</span>")
 	return
 
+/atom/proc/prevent_content_explosion()
+	return FALSE
+
 /atom/proc/contents_explosion(severity, target)
-	return
+	return //For handling the effects of explosions on contents that would not normally be effected
 
 /atom/proc/ex_act(severity, target)
 	set waitfor = FALSE

code/modules/cargo/supplypod.dm

@@ -86,13 +86,15 @@
 /obj/structure/closet/supplypod/contents_explosion() //Supplypods also protect their contents from the harmful effects of fucking exploding.
 	return
 
+/obj/structure/closet/supplypod/prevent_content_explosion() //Useful for preventing epicenter explosions from damaging contents
+	return TRUE
+
 /obj/structure/closet/supplypod/toggle(mob/living/user) //Supplypods shouldn't be able to be manually opened under any circumstances, as the open() proc generates supply order datums
 	return
 
 /obj/structure/closet/supplypod/proc/preOpen() //Called before the open() proc. Handles anything that occurs right as the pod lands.
 	var/turf/T = get_turf(src)
 	var/list/B = explosionSize //Mostly because B is more readable than explosionSize :p
-	var/boomTotal = 0 //A counter used to check if the explosion does nothing
 	if (landingSound)
 		playsound(get_turf(src), landingSound, soundVolume, 0, 0)
 	for (var/mob/living/M in T)
@@ -108,10 +110,8 @@
 			M.gib() //After adjusting the fuck outta that brute loss we finish the job with some satisfying gibs
 		M.adjustBruteLoss(damage)
 
-	for (var/i in B)
-		boomTotal += i //Count up all the values of the explosion
 
-	if (boomTotal != 0) //If the explosion list isn't all zeroes, call an explosion
+	if (B[1] || B[2] || B[3] || B[4]) //If the explosion list isn't all zeroes, call an explosion
 		explosion(get_turf(src), B[1], B[2], B[3], flame_range = B[4], silent = effectQuiet, ignorecap = istype(src, /obj/structure/closet/supplypod/centcompod)) //less advanced equipment than bluespace pod, so larger explosion when landing
 	else if (!effectQuiet) //If our explosion list IS all zeroes, we still make a nice explosion sound (unless the effectQuiet var is true)
 		playsound(src, "explosion", landingSound ? 15 : 80, 1)

code/modules/events/immovable_rod.dm

@@ -100,6 +100,9 @@ In my current plan for it, 'solid' will be defined as anything with density == 1
 /obj/effect/immovablerod/ex_act(severity, target)
 	return 0
 
+/obj/structure/closet/supplypod/prevent_content_explosion()
+	return TRUE
+
 /obj/effect/immovablerod/singularity_act()
 	return
 

code/modules/mob/living/silicon/silicon.dm

@@ -69,6 +69,9 @@
 /mob/living/silicon/contents_explosion(severity, target)
 	return
 
+/mob/living/silicon/prevent_content_explosion()
+	return TRUE
+
 /mob/living/silicon/proc/cancelAlarm()
 	return
 

code/modules/mob/living/simple_animal/hostile/megafauna/megafauna.dm

@@ -41,6 +41,9 @@
 	QDEL_NULL(internal)
 	. = ..()
 
+/mob/living/simple_animal/hostile/megafauna/prevent_content_explosion()
+	return TRUE
+
 /mob/living/simple_animal/hostile/megafauna/death(gibbed)
 	if(health > 0)
 		return

code/modules/power/supermatter/supermatter.dm

@@ -653,6 +653,13 @@ GLOBAL_DATUM(main_supermatter_engine, /obj/machinery/power/supermatter_crystal)
 		else
 			L.show_message("<span class='italics'>You hear an unearthly ringing and notice your skin is covered in fresh radiation burns.</span>", 2)
 
+//Do not blow up our internal radio
+/obj/machinery/power/supermatter_crystal/contents_explosion(severity, target)
+	return
+
+/obj/machinery/power/supermatter_crystal/prevent_content_explosion()
+	return TRUE
+
 /obj/machinery/power/supermatter_crystal/engine
 	is_main_engine = TRUE