Add method to track people breaking shit that would cause explosive decompression.

code/game/objects/structures/false_walls.dm

@@ -1,6 +1,21 @@
 /*
  * False Walls
  */
+
+#define FALSEDOOR_MAX_PRESSURE_DIFF 100.0
+
+/proc/performFalseWallPressureCheck(var/turf/loc,var/mob/user)
+	var/datum/gas_mixture/myenv=loc.return_air()
+	var/pressure=myenv.return_pressure()
+
+	for(var/dir in cardinal)
+		var/turf/T=get_turf(get_step(loc,dir))
+		var/datum/gas_mixture/environment = T.return_air()
+		var/pdiff = abs(pressure - environment.return_pressure())
+		if(pdiff > FALSEDOOR_MAX_PRESSURE_DIFF)
+			return pdiff
+	return 1
+
 /obj/structure/falsewall
 	name = "wall"
 	desc = "A huge chunk of metal used to seperate rooms."

code/game/objects/structures/girders.dm

@@ -70,10 +70,16 @@
 				if(/obj/item/stack/sheet/metal, /obj/item/stack/sheet/metal/cyborg)
 					if(!anchored)
 						if(S.amount < 2) return
-						S.use(2)
-						user << "\blue You create a false wall! Push on it to open or close the passage."
-						new /obj/structure/falsewall (src.loc)
-						del(src)
+						var/pdiff=performFalseWallPressureCheck(src.loc,user)
+						if(!pdiff)
+							S.use(2)
+							user << "\blue You create a false wall! Push on it to open or close the passage."
+							new /obj/structure/falsewall (src.loc)
+							del(src)
+						else
+							user << "\red There is too much air moving through the gap!  The door wouldn't stay closed if you built it."
+							message_admins("Attempted false wall made by [user.real_name] ([formatPlayerPanel(user,user.ckey)]) at [formatJumpTo(loc)] had a pressure difference of [pdiff]!")
+							return
 					else
 						if(S.amount < 2) return ..()
 						user << "\blue Now adding plating..."
@@ -91,10 +97,16 @@
 				if(/obj/item/stack/sheet/plasteel)
 					if(!anchored)
 						if(S.amount < 2) return
-						S.use(2)
-						user << "\blue You create a false wall! Push on it to open or close the passage."
-						new /obj/structure/falserwall (src.loc)
-						del(src)
+						var/pdiff=performFalseWallPressureCheck(src.loc,user)
+						if(!pdiff)
+							S.use(2)
+							user << "\blue You create a false wall! Push on it to open or close the passage."
+							new /obj/structure/falserwall (src.loc)
+							del(src)
+						else
+							user << "\red There is too much air moving through the gap!  The door wouldn't stay closed if you built it."
+							message_admins("Attempted false rwall made by [user.real_name] ([formatPlayerPanel(user,user.ckey)]) at [formatJumpTo(loc)] had a pressure difference of [pdiff]!")
+							return
 					else
 						if (src.icon_state == "reinforced") //I cant believe someone would actually write this line of code...
 							if(S.amount < 1) return ..()
@@ -124,11 +136,17 @@
 				var/M = S.sheettype
 				if(!anchored)
 					if(S.amount < 2) return
-					S.use(2)
-					user << "\blue You create a false wall! Push on it to open or close the passage."
-					var/F = text2path("/obj/structure/falsewall/[M]")
-					new F (src.loc)
-					del(src)
+					var/pdiff=performFalseWallPressureCheck(src.loc,user)
+					if(!pdiff)
+						S.use(2)
+						user << "\blue You create a false wall! Push on it to open or close the passage."
+						var/F = text2path("/obj/structure/falsewall/[M]")
+						new F (src.loc)
+						del(src)
+					else
+						user << "\red There is too much air moving through the gap!  The door wouldn't stay closed if you built it."
+						message_admins("Attempted false [M] wall made by [user.real_name] ([formatPlayerPanel(user,user.ckey)]) at [formatJumpTo(loc)] had a pressure difference of [pdiff]!")
+						return
 				else
 					if(S.amount < 2) return ..()
 					user << "\blue Now adding plating..."

code/game/objects/structures/window.dm

@@ -19,6 +19,9 @@
 	health -= Proj.damage
 	..()
 	if(health <= 0)
+		var/pdiff=performFalseWallPressureCheck(src.loc,Proj.firer)
+		if(pdiff>0)
+			message_admins("Window destroyed by [Proj.firer.real_name] ([formatPlayerPanel(Proj.firer,Proj.firer.ckey)]) via \an [Proj]! pdiff = [pdiff] at [formatJumpTo(loc)]!")
 		new /obj/item/weapon/shard(loc)
 		new /obj/item/stack/rods(loc)
 		del(src)
@@ -79,8 +82,10 @@
 	..()
 	visible_message("<span class='danger'>[src] was hit by [AM].</span>")
 	var/tforce = 0
+	var/mob/M=null
 	if(ismob(AM))
 		tforce = 40
+		M=AM
 	else if(isobj(AM))
 		var/obj/item/I = AM
 		tforce = I.throwforce
@@ -91,10 +96,22 @@
 		anchored = 0
 		update_nearby_icons()
 		step(src, get_dir(AM, src))
+		var/pdiff=performFalseWallPressureCheck(src.loc,M)
+		if(pdiff>0)
+			if(M)
+				message_admins("Window with pdiff [pdiff] at [formatJumpTo(loc)] deanchored by [M.real_name] ([formatPlayerPanel(M,M.ckey)])!")
+			else
+				message_admins("Window with pdiff [pdiff] at [formatJumpTo(loc)] deanchored by [AM]!")
 	if(health <= 0)
 		new /obj/item/weapon/shard(loc)
 		if(reinf) new /obj/item/stack/rods(loc)
 		del(src)
+		var/pdiff=performFalseWallPressureCheck(src.loc,M)
+		if(pdiff>0)
+			if(M)
+				message_admins("Window with pdiff [pdiff] at [formatJumpTo(loc)] destroyed by [M.real_name] ([formatPlayerPanel(M,M.ckey)])!")
+			else
+				message_admins("Window with pdiff [pdiff] at [formatJumpTo(loc)] destroyed by [AM]!")
 
 
 /obj/structure/window/attack_hand(mob/user as mob)
@@ -104,6 +121,9 @@
 		new /obj/item/weapon/shard(loc)
 		if(reinf) new /obj/item/stack/rods(loc)
 		del(src)
+		var/pdiff=performFalseWallPressureCheck(src.loc,user)
+		if(pdiff>0)
+			message_admins("Window destroyed by hulk [user.real_name] ([formatPlayerPanel(user,user.ckey)]) with pdiff [pdiff] at [formatJumpTo(loc)]!")
 	else if (usr.a_intent == "hurt")
 		playsound(src.loc, 'glassknock.ogg', 80, 1)
 		usr.visible_message("\red [usr.name] bangs against the [src.name]!", \
@@ -128,6 +148,9 @@
 		new /obj/item/weapon/shard(loc)
 		if(reinf) new /obj/item/stack/rods(loc)
 		del(src)
+		var/pdiff=performFalseWallPressureCheck(src.loc,user)
+		if(pdiff>0)
+			message_admins("Window destroyed by [user.real_name] ([formatPlayerPanel(user,user.ckey)]) with pdiff [pdiff] at [formatJumpTo(loc)]!")
 	else	//for nicer text~
 		user.visible_message("<span class='danger'>[user] smashes into [src]!</span>")
 		playsound(loc, 'sound/effects/Glasshit.ogg', 100, 1)
@@ -185,11 +208,19 @@
 			update_nearby_icons()
 			playsound(loc, 'sound/items/Screwdriver.ogg', 75, 1)
 			user << (anchored ? "<span class='notice'>You have fastened the frame to the floor.</span>" : "<span class='notice'>You have unfastened the frame from the floor.</span>")
+			if(!anchored)
+				var/pdiff=performFalseWallPressureCheck(src.loc,user)
+				if(pdiff>0)
+					message_admins("Window with pdiff [pdiff] deanchored by [user.real_name] ([formatPlayerPanel(user,user.ckey)]) at [formatJumpTo(loc)]!")
 		else if(!reinf)
 			anchored = !anchored
 			update_nearby_icons()
 			playsound(loc, 'sound/items/Screwdriver.ogg', 75, 1)
 			user << (anchored ? "<span class='notice'>You have fastened the window to the floor.</span>" : "<span class='notice'>You have unfastened the window.</span>")
+			if(!anchored)
+				var/pdiff=performFalseWallPressureCheck(src.loc,user)
+				if(pdiff>0)
+					message_admins("Window with pdiff [pdiff] deanchored by [user.real_name] ([formatPlayerPanel(user,user.ckey)]) at [formatJumpTo(loc)]!")
 	else if(istype(W, /obj/item/weapon/crowbar) && reinf && state <= 1)
 		state = 1 - state
 		playsound(loc, 'sound/items/Crowbar.ogg', 75, 1)
@@ -201,6 +232,9 @@
 				anchored = 0
 				update_nearby_icons()
 				step(src, get_dir(user, src))
+				var/pdiff=performFalseWallPressureCheck(src.loc,user)
+				if(pdiff>0)
+					message_admins("Window with pdiff [pdiff] deanchored by [user.real_name] ([formatPlayerPanel(user,user.ckey)]) at [formatJumpTo(loc)]!")
 		else
 			playsound(loc, 'sound/effects/Glasshit.ogg', 75, 1)
 		..()
@@ -222,6 +256,9 @@
 		else
 			new /obj/item/weapon/shard(loc)
 			if(reinf) new /obj/item/stack/rods(loc)
+		var/pdiff=performFalseWallPressureCheck(src.loc,null)
+		if(pdiff>0)
+			message_admins("Window with pdiff [pdiff] broken at [formatJumpTo(loc)]!")
 		del(src)
 		return
 

code/game/turfs/simulated/walls.dm

@@ -1,3 +1,19 @@
+
+
+/proc/performWallPressureCheck(var/turf/loc,var/mob/user)
+	var/minp=16777216;
+	var/maxp=0;
+	for(var/dir in cardinal)
+		var/turf/T=get_turf(get_step(loc,dir))
+		var/datum/gas_mixture/environment = T.return_air()
+		var/cp = environment.return_pressure()
+		if(cp<minp)minp=cp
+		if(cp>maxp)maxp=cp
+	var/pdiff = abs(minp-maxp)
+	if(pdiff > FALSEDOOR_MAX_PRESSURE_DIFF)
+		return pdiff
+	return 1
+
 /turf/simulated/wall
 	name = "wall"
 	desc = "A huge chunk of metal used to seperate rooms."
@@ -164,6 +180,10 @@
 		else if(!is_sharp(W) && W.force >= 10 || W.force >= 20)
 			user << "<span class='notice'>\The [src] crumbles away under the force of your [W.name].</span>"
 			src.dismantle_wall(1)
+
+			var/pdiff=performWallPressureCheck(src.loc,user)
+			if(pdiff)
+				message_admins("[user.real_name] ([formatPlayerPanel(user,user.ckey)]) broke a rotting wall with a pdiff of [pdiff] at [formatJumpTo(loc)]!")
 			return
 
 	//THERMITE related stuff. Calls src.thermitemelt() which handles melting simulated walls and the relevant effects
@@ -203,6 +223,9 @@
 
 			if( user.loc == T && user.get_active_hand() == WT )
 				user << "<span class='notice'>You remove the outer plating.</span>"
+				var/pdiff=performWallPressureCheck(src.loc,user)
+				if(pdiff)
+					message_admins("[user.real_name] ([formatPlayerPanel(user,user.ckey)]) dismanted a wall with a pdiff of [pdiff] at [formatJumpTo(loc)]!")
 				dismantle_wall()
 		else
 			user << "<span class='notice'>You need more welding fuel to complete this task.</span>"
@@ -221,6 +244,9 @@
 		if( user.loc == T && user.get_active_hand() == W )
 			user << "<span class='notice'>You remove the outer plating.</span>"
 			dismantle_wall()
+			var/pdiff=performWallPressureCheck(src.loc,user)
+			if(pdiff)
+				message_admins("[user.real_name] ([formatPlayerPanel(user,user.ckey)]) dismantled with a pdiff of [pdiff] at [formatJumpTo(loc)]!")
 			for(var/mob/O in viewers(user, 5))
 				O.show_message("<span class='warning'>The wall was sliced apart by [user]!</span>", 1, "<span class='warning'>You hear metal being sliced apart.</span>", 2)
 		return
@@ -238,6 +264,9 @@
 		if( user.loc == T && user.get_active_hand() == W )
 			user << "<span class='notice'>Your drill tears though the last of the reinforced plating.</span>"
 			dismantle_wall()
+			var/pdiff=performWallPressureCheck(src.loc,user)
+			if(pdiff)
+				message_admins("[user.real_name] ([formatPlayerPanel(user,user.ckey)]) drilled a wall with a pdiff of [pdiff] at [formatJumpTo(loc)]!")
 			for(var/mob/O in viewers(user, 5))
 				O.show_message("<span class='warning'>The wall was drilled through by [user]!</span>", 1, "<span class='warning'>You hear the grinding of metal.</span>", 2)
 		return
@@ -259,6 +288,9 @@
 			playsound(src.loc, "sparks", 50, 1)
 			playsound(src.loc, 'sound/weapons/blade1.ogg', 50, 1)
 			dismantle_wall(1)
+			var/pdiff=performWallPressureCheck(src.loc,user)
+			if(pdiff)
+				message_admins("[user.real_name] ([formatPlayerPanel(user,user.ckey)]) sliced up a wall with a pdiff of [pdiff] at [formatJumpTo(loc)]!")
 			for(var/mob/O in viewers(user, 5))
 				O.show_message("<span class='warning'>The wall was sliced apart by [user]!</span>", 1, "<span class='warning'>You hear metal being sliced apart and sparks flying.</span>", 2)
 		return
@@ -340,12 +372,17 @@
 	var/turf/simulated/floor/F = ChangeTurf(/turf/simulated/floor/plating)
 	if(!F)
 		if(O)
+			message_admins("[user.real_name] ([formatPlayerPanel(user,user.ckey)]) thermited a wall into space at [formatJumpTo(loc)]!")
 			del(O)
 			user << "<span class='warning'>The thermite melts through the wall.</span>"
 	F.burn_tile()
 	F.icon_state = "wall_thermite"
 	user << "<span class='warning'>The thermite melts through the wall.</span>"
 
+	var/pdiff=performWallPressureCheck(src.loc,user)
+	if(pdiff)
+		message_admins("[user.real_name] ([formatPlayerPanel(user,user.ckey)]) thermited a wall with a pdiff of [pdiff] at [formatJumpTo(loc)]!")
+
 	spawn(100)
 		if(O)	del(O)
 //	F.sd_LumReset()		//TODO: ~Carn

code/game/turfs/simulated/walls_mineral.dm

@@ -90,6 +90,9 @@
 	..()
 
 /turf/simulated/wall/mineral/plasma/proc/PlasmaBurn(temperature)
+	var/pdiff=performWallPressureCheck(src.loc,null)
+	if(pdiff>0)
+		message_admins("Plasma wall with pdiff [pdiff] at [formatJumpTo(loc)] just caught fire!")
 	spawn(2)
 	new /obj/structure/girder(src)
 	src.ChangeTurf(/turf/simulated/floor)

code/modules/admin/admin.dm

@@ -1096,3 +1096,25 @@ proc/move_alien_ship()
 	else
 		alien_ship_location = 1
 	return
+
+proc/formatJumpTo(var/location,var/where="")
+	var/turf/loc
+	if(istype(location,/turf/))
+		loc = location
+	else
+		loc = get_turf(location)
+	if(where=="")
+		where=formatLocation(loc)
+	return "<A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[loc.x];Y=[loc.y];Z=[loc.z]'>[where]</a>"
+
+proc/formatLocation(var/location)
+	var/turf/loc
+	if(istype(location,/turf/))
+		loc = location
+	else
+		loc = get_turf(location)
+	var/area/A = get_area(location)
+	return "[A.name] - [loc.x],[loc.y],[loc.z]"
+
+proc/formatPlayerPanel(var/mob/U,var/text="PP")
+	return "<A HREF='?_src_=holder;adminplayeropts=\ref[U]'>[text]</A>"