Looked into human/robot/monkey/alien/etc Bump() code, found a possible cause for that strange bug where you can't push things and airlocks won't open when you run into them and etc.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@1413 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/mob/living/carbon/alien/humanoid/humanoid.dm

@@ -44,6 +44,7 @@
 				if (istype(AM, /obj/window))
 					if(AM:ini_dir == NORTHWEST || AM:ini_dir == NORTHEAST || AM:ini_dir == SOUTHWEST || AM:ini_dir == SOUTHEAST)
 						for(var/obj/window/win in get_step(AM,t))
+							src.now_pushing = 0
 							return
 				step(AM, t)
 			src.now_pushing = null

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

@@ -93,6 +93,7 @@
 						tmob.stunned = max(4, tmob.stunned)
 					playsound(src.loc, 'Egloves.ogg', 50, 1, -1)
 					W:charges--
+					src.now_pushing = 0
 					return
 		if(istype(tmob, /mob/living/carbon/human) && tmob.mutations & 32)
 			if(prob(40) && !(src.mutations & 32))
@@ -112,9 +113,10 @@
 				if (istype(AM, /obj/window))
 					if(AM:ini_dir == NORTHWEST || AM:ini_dir == NORTHEAST || AM:ini_dir == SOUTHWEST || AM:ini_dir == SOUTHEAST)
 						for(var/obj/window/win in get_step(AM,t))
+							src.now_pushing = 0
 							return
 				step(AM, t)
-			src.now_pushing = null
+			src.now_pushing = 0
 		return
 	return
 

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

@@ -65,6 +65,7 @@
 				if (istype(AM, /obj/window))
 					if(AM:ini_dir == NORTHWEST || AM:ini_dir == NORTHEAST || AM:ini_dir == SOUTHWEST || AM:ini_dir == SOUTHEAST)
 						for(var/obj/window/win in get_step(AM,t))
+							src.now_pushing = 0
 							return
 				step(AM, t)
 			src.now_pushing = null

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

@@ -323,6 +323,7 @@
 				if (istype(AM, /obj/window))
 					if(AM:ini_dir == NORTHWEST || AM:ini_dir == NORTHEAST || AM:ini_dir == SOUTHWEST || AM:ini_dir == SOUTHEAST)
 						for(var/obj/window/win in get_step(AM,t))
+							src.now_pushing = 0
 							return
 				step(AM, t)
 			src.now_pushing = null