More runtime errors squashed.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@231 316c924e-a436-60f5-8080-3fe189b3f50e

code/ATMOSPHERICS/components/valve.dm

@@ -48,8 +48,10 @@ obj/machinery/atmospherics/valve
 
 		if(open)
 			if(reference == node1)
+				if(node2)
 					return node2.network_expand(new_network, src)
 			else if(reference == node2)
+				if(node1)
 					return node1.network_expand(new_network, src)
 
 		return null

code/WorkInProgress/Chemistry-Reagents.dm

@@ -120,6 +120,7 @@ datum
 			reagent_state = LIQUID
 
 			reaction_turf(var/turf/T, var/volume)
+				if (!istype(T, /turf/space))
 					src = null
 					if(T:wet >= 2) return
 					T:wet = 2

code/game/dna.dm

@@ -830,6 +830,7 @@
 		////////////////////////////////////////////////////////
 		if (href_list["rejuv"])
 			var/mob/living/carbon/human/H = src.connected.occupant
+			if(H)
 				if (H.reagents.get_reagent_amount("inaprovaline") < 60)
 					H.reagents.add_reagent("inaprovaline", 30)
 				usr << text("Occupant now has [] units of rejuvenation in his/her bloodstream.", H.reagents.get_reagent_amount("inaprovaline"))

code/game/gamemodes/intercept_report.dm

@@ -141,6 +141,7 @@
 	var/prob_right_dude = rand(prob_correct_person_lower, prob_correct_person_higher)
 	var/prob_right_job = rand(prob_correct_job_lower, prob_correct_job_higher)
 	if(prob(prob_right_job))
+		if(correct_mob)
 			changeling_job = correct_mob:assigned_role
 	else
 		var/list/job_tmp = get_all_jobs()

code/game/gamemodes/objective.dm

@@ -132,6 +132,7 @@ datum
 
 			check_completion()
 				if(steal_target)
+					if(owner.current)
 						if(owner.current.check_contents_for(steal_target))
 							if(target_name == "functional ai")
 //								world << "dude's after an AI, time to check for one."

code/game/machinery/atmoalter/canister.dm

@@ -13,7 +13,6 @@
 	pressure_resistance = 7*ONE_ATMOSPHERE
 	var/temperature_resistance = 1000 + T0C
 	volume = 1000
-	var/throwforce = 0
 
 /obj/machinery/portable_atmospherics/canister/sleeping_agent
 	name = "Canister: \[N2O\]"

code/game/machinery/atmoalter/portable_atmospherics.dm

@@ -7,6 +7,7 @@
 
 	var/volume = 0
 	var/destroyed = 0
+	var/throwforce = 0
 
 	var/maximum_pressure = 90*ONE_ATMOSPHERE
 
@@ -102,7 +103,7 @@
 	else if ((istype(W, /obj/item/device/analyzer) || (istype(W, /obj/item/device/pda))) && get_dist(user, src) <= 1)
 		for (var/mob/O in viewers(user, null))
 			O << "\red [user] has used [W] on \icon[icon]"
-
+		if(air_contents)
 			var/pressure = air_contents.return_pressure()
 			var/total_moles = air_contents.total_moles()
 
@@ -125,6 +126,8 @@
 				user << "\blue Temperature: [round(air_contents.temperature-T0C)]&deg;C"
 			else
 				user << "\blue Tank is empty!"
+		else
+			user << "\blue Tank is empty!"
 		return
 
 	return

code/game/machinery/gibber.dm

@@ -22,12 +22,12 @@
 	if(src.occupant)
 		user << "\red The gibber is full, empty it first!"
 		return
-	if(G.affecting.abiotic())
-		user << "\red Subject may not have abiotic items on."
-		return
 	if (!( istype(G, /obj/item/weapon/grab)) || !(istype(G.affecting, /mob/living/carbon/human)))
 		user << "\red This item is not suitable for the gibber!"
 		return
+	if(G.affecting.abiotic())
+		user << "\red Subject may not have abiotic items on."
+		return
 
 	user.visible_message("\red [user] starts to put [G.affecting] into the gibber!")
 	src.add_fingerprint(user)

code/game/objects/explosion.dm

@@ -4,7 +4,9 @@ proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impa
 			message_admins("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range]) in area [epicenter.loc.name] ")
 
 		defer_powernet_rebuild = 1
-
+		if (!istype(epicenter, /turf))
+			epicenter = epicenter.loc
+			return explosion(epicenter, devastation_range, heavy_impact_range, light_impact_range, flash_range)
 		playsound(epicenter.loc, 'explosionfar.ogg', 100, 1, round(devastation_range*2,1) )
 		playsound(epicenter.loc, "explosion", 100, 1, round(devastation_range,1) )
 

code/game/objects/items/robot_parts.dm

@@ -123,6 +123,7 @@
 			W.loc = src
 			src.brain = W
 			var/mob/living/silicon/robot/O = new /mob/living/silicon/robot(get_turf(src.loc))
+			if (src.brain.owner)
 				O.gender = src.brain.owner.gender
 			//O.start = 1
 			O.invisibility = 0

code/game/objects/items/weapons/tools.dm

@@ -163,7 +163,7 @@ WELDINGTOOOL
 /obj/item/weapon/weldingtool/proc/eyecheck(mob/user as mob)
 	//check eye protection
 	var/safety = null
-
+	if (istype(user, /mob/living/carbon/human))
 		if (istype(user:head, /obj/item/clothing/head/helmet/welding) || istype(user:head, /obj/item/clothing/head/helmet/space))
 			safety = 2
 		else if (istype(user:glasses, /obj/item/clothing/glasses/sunglasses))
@@ -172,6 +172,8 @@ WELDINGTOOOL
 			safety = -1
 		else
 			safety = 0
+	else if(istype(user, /mob/living/carbon))
+		safety = 0
 	switch(safety)
 		if(1)
 			usr << "\red Your eyes sting a little."

code/game/objects/storage/crates.dm

@@ -214,5 +214,6 @@
 /obj/crate/attackby(obj/item/weapon/W as obj, mob/user as mob)
 	if(opened)
 		user.drop_item()
+		if(W)
 			W.loc = src.loc
 	else return attack_hand(user)

code/game/objects/weapons.dm

@@ -115,11 +115,13 @@
 		var/turf/T = src.loc
 		if (ismob(T))
 			T = T.loc
+		if (src.part1)
 			src.part1.loc = T
-		src.part2.loc = T
 			src.part1.master = null
-		src.part2.master = null
 			src.part1 = null
+		if (src.part2)
+			src.part2.loc = T
+			src.part2.master = null
 			src.part2 = null
 
 		del(src)

code/modules/admin/verbs/randomverbs.dm

@@ -62,7 +62,9 @@
 
 	if (!msg)
 		return
-	if (usr.client && usr.client.holder)
+	if(usr)
+		if (usr.client)
+			if(usr.client.holder)
 				M << "\bold You hear a voice in your head... \italic [msg]"
 
 	log_admin("SubtlePM: [key_name(usr)] -> [key_name(M)] : [msg]")

code/modules/mob/dead/observer/observer.dm

@@ -43,6 +43,7 @@
 	..()
 	statpanel("Status")
 	if (src.client.statpanel == "Status")
+		if(emergency_shuttle)
 			if(emergency_shuttle.online && emergency_shuttle.location < 2)
 				var/timeleft = emergency_shuttle.timeleft()
 				if (timeleft)

code/modules/mob/living/carbon/human/human.dm

@@ -153,6 +153,7 @@
 //	if(ticker.mode.name == "AI malfunction")
 //		if(ticker.mode:malf_mode_declared)
 //			stat(null, "Time left: [ ticker.mode:AI_win_timeleft]")
+	if(emergency_shuttle)
 		if(emergency_shuttle.online && emergency_shuttle.location < 2)
 			var/timeleft = emergency_shuttle.timeleft()
 			if (timeleft)

code/modules/mob/living/carbon/monkey/life.dm

@@ -250,6 +250,8 @@
 			if(O2_pp < safe_oxygen_min) 			// Too little oxygen
 				if(prob(20))
 					spawn(0) emote("gasp")
+				if (O2_pp == 0)
+					O2_pp = 0.01
 				var/ratio = safe_oxygen_min/O2_pp
 				oxyloss += min(5*ratio, 7) // Don't fuck them up too fast (space only does 7 after all!)
 				oxygen_used = breath.oxygen*ratio/6

code/modules/mob/living/carbon/monkey/monkey.dm

@@ -29,7 +29,7 @@
 
 /mob/living/carbon/monkey/movement_delay()
 	var/tally = 0
-
+	if(src.reagents)
 		if(src.reagents.has_reagent("hyperzine")) return -1
 
 	var/health_deficiency = (100 - src.health)

code/modules/mob/login.dm

@@ -38,6 +38,7 @@
 	if (!src.client.changes)
 		src.changes()
 	if(istype (src, /mob/living))
+		if(ticker)
 			if(ticker.mode.name == "revolution")
 				if ((src.mind in ticker.mode:revolutionaries) || (src.mind in ticker.mode:head_revolutionaries))
 					ticker.mode:update_rev_icons_added(src.mind)

code/modules/mob/mob.dm

@@ -1438,7 +1438,8 @@
 
 			//we don't use message_admins here because the sender/receiver might get it too
 			for (var/mob/K in world)
-				if(K && K.client && K.client.holder && K.key != usr.key && K.key != M.key)
+				if(K)
+					if(K.client && K.client.holder && K.key != usr.key && K.key != M.key)
 						K << "<b><font color='blue'>PM: [key_name(usr, K)]->[key_name(M, K)]:</b> \blue [t]</font>"
 	..()
 	return
@@ -2024,7 +2025,9 @@
 	if(src.mob)
 		var/mob/M = src.mob
 		M.loc = null // HACK, but whatever, this works
+
 		var/obj/screen/boom = M.hud_used.station_explosion
+		if (M.client)
 			M.client.screen += boom
 			if(ticker)
 				switch(ticker.mode.name)

code/modules/mob/new_player/new_player.dm

@@ -222,7 +222,7 @@ mob/new_player
 	proc/AttemptLateSpawn(rank, maxAllowed)
 		if(IsJobAvailable(rank, maxAllowed))
 			var/mob/living/carbon/human/character = create_character()
-
+			if (character)
 				character.Equip_Rank(rank, joined_late=1)
 
 			//add to manifest -- Commented out in favor of ManifestLateSpawn() -- TLE
@@ -231,7 +231,7 @@ mob/new_player
 			//		t.fields["rank"] = rank
 
 				ManifestLateSpawn(character)
-
+				if(ticker)
 					if (ticker.current_state == GAME_STATE_PLAYING)
 						for (var/mob/living/silicon/ai/A in world)
 							if (!A.stat)
@@ -371,7 +371,7 @@ mob/new_player
 
 		preferences.copy_to(new_character)
 		new_character.dna.ready_dna(new_character)
-
+		if(mind)
 			mind.transfer_to(new_character)