Merge pull request #4570 from Citadel-Station-13/upstream-merge-33856

[MIRROR] Fixes AI eyes getting nullspaced when jumping to deleted cameras

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

@@ -430,20 +430,17 @@
 
 
 /mob/living/silicon/ai/proc/switchCamera(obj/machinery/camera/C)
+	if(QDELETED(C))
+		return FALSE
 
 	if(!tracking)
 		cameraFollow = null
 
-	if (!C)
-		return FALSE
-
-	if(!src.eyeobj)
+	if(QDELETED(eyeobj))
 		view_core()
 		return
 	// ok, we're alive, camera is good and in our network...
 	eyeobj.setLoc(get_turf(C))
-	//machine = src
-
 	return TRUE
 
 /mob/living/silicon/ai/proc/botcall()

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

@@ -80,8 +80,7 @@ GLOBAL_DATUM_INIT(cameranet, /datum/cameranet, new)
 // Removes a camera from a chunk.
 
 /datum/cameranet/proc/removeCamera(obj/machinery/camera/c)
-	if(c.can_use())
-		majorChunkChange(c, 0)
+	majorChunkChange(c, 0)
 
 // Add a camera to a chunk.