From 2a7009e5c9f15f70806fa70f4229996e1bb15bcb Mon Sep 17 00:00:00 2001
From: Zonespace <41448081+Zonespace27@users.noreply.github.com>
Date: Thu, 30 Nov 2023 03:58:19 -0800
Subject: [PATCH] Resin holes can no longer be made below stairs (#5056)

# About the pull request
Title.

# Explain why it's good for the game
You can't see the resin hole or interact with it, making this
effectively an exploit.



# Changelog
:cl:
fix: Resin holes can no longer be planted below stairs
/:cl:
---
 .../living/carbon/xenomorph/abilities/general_powers.dm    | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/code/modules/mob/living/carbon/xenomorph/abilities/general_powers.dm b/code/modules/mob/living/carbon/xenomorph/abilities/general_powers.dm
index 94c0110fc68f..74a46a30e9ba 100644
--- a/code/modules/mob/living/carbon/xenomorph/abilities/general_powers.dm
+++ b/code/modules/mob/living/carbon/xenomorph/abilities/general_powers.dm
@@ -570,6 +570,13 @@
 		to_chat(X, SPAN_XENOWARNING("You can only shape on weeds. Find some resin before you start building!"))
 		return FALSE
 
+	// This snowflake check exists because stairs specifically are indestructable, tile-covering, and cannot be moved, which allows resin holes to be
+	// planted under them without any possible counterplay. In the future if resin holes stop being able to be hidden under objects, remove this check.
+	var/obj/structure/stairs/staircase = locate() in src
+	if(staircase)
+		to_chat(X, SPAN_XENOWARNING("You cannot make a hole beneath a staircase!"))
+		return FALSE
+
 	if(alien_weeds.linked_hive.hivenumber != X.hivenumber)
 		to_chat(X, SPAN_XENOWARNING("These weeds don't belong to your hive!"))
 		return FALSE