-Fixed changelings being unable to use their powers. (Sorry about that)

-Fixed runtimes with the camera tracking.

-Fixed an issue where alien larva couldn't heal oxygen loss damage.
-Fixed a runtime with cameranet chunks.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@4761 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/mob/living/carbon/alien/larva/life.dm

@@ -216,11 +216,12 @@
 
 		//If there are alien weeds on the ground then heal if needed or give some toxins
 		if(locate(/obj/effect/alien/weeds) in loc)
-			if(health >= 25)
-				adjustToxLoss(5)
+			if(health >= maxHealth)
+				adjustToxLoss(plasma_rate)
 			else
-				adjustBruteLoss(-5)
-				adjustFireLoss(-5)
+				adjustBruteLoss(-heal_rate)
+				adjustFireLoss(-heal_rate)
+				adjustOxyLoss(-heal_rate)
 
 		return
 

code/modules/mob/living/silicon/ai/freelook/chunk.dm

@@ -88,6 +88,8 @@
 			obscured -= t.obscured
 			for(var/eye in seenby)
 				var/mob/aiEye/m = eye
+				if(!m || !m.ai)
+					continue
 				if(m.ai.client)
 					m.ai.client.images -= t.obscured
 
@@ -100,8 +102,9 @@
 			obscured += t.obscured
 			for(var/eye in seenby)
 				var/mob/aiEye/m = eye
-				if(!m)
+				if(!m || !m.ai)
 					seenby -= m
+					continue
 				if(m.ai.client)
 					m.ai.client.images += t.obscured