Ghost Busting (#18854)

* bustin

makes me feel good

* Update vorestation.dme

* Update trap.dm

* more

* Edits

* Make this work on incorp entities

* Update entrepreneur_items.dm

* Ghost Capture!

* awwa

* Update entrepreneur_items.dm

* Update entrepreneur_items.dm

* vore

* Other ways to spawn it

* Spectral shot

* ammo

* yeh

* get these

* Update ammo.dm

* AAAA

* Update weapons.dm

* Update weapons.dm

* beeem

* better

* Update weapons.dm

* more stuffs

* make sure this is unticked

* Update supplypack.dm

* spooky

* yeh

* mob sprites

* aaa

* Update research_nodes.dm

* Remove RND_CATEGORY_INITIAL from ammunition designs

* ?.

* subtype

code/game/objects/items/devices/personal_shield_generator_vr.dm

@@ -69,7 +69,6 @@
 /obj/item/personal_shield_generator/loaded //starts with a cell
 	bcell = /obj/item/cell/device/shield_generator/backpack
 
-
 /obj/item/personal_shield_generator/update_icon()
 	if(shield_active)
 		icon_state = "shieldpack_basic_on"

code/game/objects/items/devices/radio/intercom.dm

@@ -75,6 +75,10 @@
 	name = "entertainment intercom"
 	frequency = ENT_FREQ
 
+/obj/item/radio/intercom/science
+	name = "station intercom (Science)"
+	channels=list("Science")
+
 /obj/item/radio/intercom/omni
 	name = "global announcer"
 /obj/item/radio/intercom/omni/Initialize(mapload)

code/game/objects/items/devices/radio/radio.dm

@@ -298,7 +298,7 @@ GLOBAL_DATUM(autospeaker, /mob/living/silicon/ai/announcer)
 	if(!GLOB.autospeaker)
 		return
 	var/datum/radio_frequency/connection = null
-	if(channel && channels && channels.len > 0)
+	if(channel && channels && LAZYLEN(channels))
 		if(channel == "department")
 			channel = channels[1]
 		connection = secure_radio_connections[channel]
@@ -325,7 +325,7 @@ GLOBAL_DATUM(autospeaker, /mob/living/silicon/ai/announcer)
 		return radio_connection
 
 	// Otherwise, if a channel is specified, look for it.
-	if(channels && channels.len > 0)
+	if(channels && LAZYLEN(channels))
 		if (message_mode == "department") // Department radio shortcut
 			message_mode = channels[1]