Sanity checks, miscellaneous bugfixes, failsafes.

Disposals no longer indiscriminately let items land inside it - the items have to have been thrown by someone.

The ongoing attempt to fix the thousands of runtimes plaguing the game.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3195 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/admin/admin.dm

@@ -2579,6 +2579,7 @@
 
 	if (!M.mind)
 		usr << "Sorry, this mob has no mind!"
+		return
 	M.mind.edit_memory()
 
 

code/modules/chemical/Chemistry-Tools.dm

@@ -545,15 +545,16 @@
 					if(D.loc == trg) break
 					step_towards(D,trg)
 
-					for(var/mob/living/carbon/M in D.loc)
-						if(!istype(M,/mob/living/carbon)) continue
-						if(M == user) continue
-						D.reagents.trans_to(M, 15)
-						M.take_organ_damage(5)
-						for(var/mob/O in viewers(world.view, D))
-							O.show_message(text("\red [] was hit by the syringe!", M), 1)
+					if(D)
+						for(var/mob/living/carbon/M in D.loc)
+							if(!istype(M,/mob/living/carbon)) continue
+							if(M == user) continue
+							D.reagents.trans_to(M, 15)
+							M.take_organ_damage(5)
+							for(var/mob/O in viewers(world.view, D))
+								O.show_message(text("\red [] was hit by the syringe!", M), 1)
 
-						del(D)
+							del(D)
 					if(D)
 						for(var/atom/A in D.loc)
 							if(A == user) continue

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

@@ -1544,6 +1544,7 @@ It can still be worn/put on as normal.
 				if (W)
 					W.loc = target.loc
 					W.dropped(target)
+				if (W)
 					W.layer = initial(W.layer)
 				W.add_fingerprint(source)
 			else

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

@@ -90,10 +90,11 @@
 		var/law = src.laws.supplied[index]
 
 		if (length(law) > 0)
-			if (src.lawcheck[number+1] == "Yes")
-				src.say("[number]. [law]")
-				sleep(10)
-			number++
+			if(src.lawcheck.len >= number+1)
+				if (src.lawcheck[number+1] == "Yes")
+					src.say("[number]. [law]")
+					sleep(10)
+				number++
 
 
 /mob/living/silicon/ai/verb/checklaws() //Gives you a link-driven interface for deciding what laws the statelaws() proc will share with the crew. --NeoFite

code/modules/mob/mob.dm

@@ -632,7 +632,7 @@
 				return.
 
 			var/t = input("Message:", text("Private message to [C.key]"))  as text|null
-			if (!t || !usr || !C)
+			if (!t || !usr || !C || !usr.client)
 				return
 			if (usr.client && usr.client.holder) //Admin is messaging a player
 				C << "\red <font size='4'><b>-- Administrator private message --</b></font>"

code/modules/recycling/disposal.dm

@@ -386,7 +386,7 @@
 			del(H)
 
 	CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
-		if (istype(mover,/obj/item))
+		if (istype(mover,/obj/item) && mover.throwing)
 			var/obj/item/I = mover
 			if(istype(I, /obj/item/weapon/dummy) || istype(I, /obj/item/projectile))
 				return