what is this

code/modules/holodeck/computer.dm

@@ -149,6 +149,7 @@
 	active_power_usage = 50 + spawned.len * 3 + effects.len * 5
 
 /obj/machinery/computer/holodeck/emag_act(mob/user)
+	. = ..()
 	if(obj_flags & EMAGGED)
 		return
 	if(!LAZYLEN(emag_programs))
@@ -160,6 +161,7 @@
 	to_chat(user, "Warning.  Automatic shutoff and derezing protocols have been corrupted.  Please call Nanotrasen maintenance and do not use the simulator.")
 	log_game("[key_name(user)] emagged the Holodeck Control Console")
 	nerf(!(obj_flags & EMAGGED))
+	return TRUE
 
 /obj/machinery/computer/holodeck/emp_act(severity)
 	. = ..()

code/modules/holodeck/holo_effect.dm

@@ -78,6 +78,12 @@
 	// these vars are not really standardized but all would theoretically create stuff on death
 	for(var/v in list("butcher_results","corpse","weapon1","weapon2","blood_volume") & mob.vars)
 		mob.vars[v] = null
+	ENABLE_BITFIELD(mob.flags_1, HOLOGRAM_1)
+	if(isliving(mob))
+		var/mob/living/L = mob
+		L.feeding = FALSE
+		L.devourable = FALSE
+		L.digestable = FALSE
 	return mob
 
 /obj/effect/holodeck_effect/mobspawner/deactivate(var/obj/machinery/computer/holodeck/HC)
@@ -100,7 +106,7 @@
 
 /obj/effect/holodeck_effect/mobspawner/penguin
 	mobtype = /mob/living/simple_animal/pet/penguin/emperor
-	
+
 /obj/effect/holodeck_effect/mobspawner/penguin/Initialize()
 	if(prob(1))
 		mobtype = /mob/living/simple_animal/pet/penguin/emperor/shamebrero