From b35050433b6f564ccaa6b44f09240ff3f2694548 Mon Sep 17 00:00:00 2001
From: SkyratBot <59378654+SkyratBot@users.noreply.github.com>
Date: Wed, 2 Sep 2020 03:02:17 +0200
Subject: [PATCH] [MIRROR] Fixes xenomorph larva getting stuck by evolving
 while ventcrawling (#604)

* Fixes xenomorph larva getting stuck by evolving while ventcrawling #53265

* Fixes xenomorph larva getting stuck by evolving while ventcrawling

Co-authored-by: Wayland-Smithy <64715958+Wayland-Smithy@users.noreply.github.com>
---
 code/modules/mob/living/carbon/alien/larva/powers.dm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/modules/mob/living/carbon/alien/larva/powers.dm b/code/modules/mob/living/carbon/alien/larva/powers.dm
index 85a9b7746bf..8ec61e1f178 100644
--- a/code/modules/mob/living/carbon/alien/larva/powers.dm
+++ b/code/modules/mob/living/carbon/alien/larva/powers.dm
@@ -44,6 +44,10 @@
 		to_chat(L, "<span class='name'>Drones</span> <span class='info'>are the weakest and slowest of the castes, but can grow into a praetorian and then queen if no queen exists, and are vital to maintaining a hive with their resin secretion abilities.</span>")
 		var/alien_caste = alert(L, "Please choose which alien caste you shall belong to.",,"Hunter","Sentinel","Drone")
 
+		if(L.movement_type & VENTCRAWLING)
+			to_chat(user, "<span class='warning'>You cannot evolve while ventcrawling!</span>")
+			return
+
 		if(user.incapacitated()) //something happened to us while we were choosing.
 			return