Adds a keybind for canceling landslide (#16240)

code/__DEFINES/dcs/signals/signals_keybindings.dm

@@ -315,6 +315,7 @@
 
 #define COMSIG_XENOABILITY_BEHEMOTH_ROLL "xenoability_behemoth_roll"
 #define COMSIG_XENOABILITY_LANDSLIDE "xenoability_landslide"
+#define COMSIG_XENOABILITY_CANCEL_LANDSLIDE "xenoability_cancel_landslide"
 #define COMSIG_XENOABILITY_EARTH_RISER "xenoability_earth_riser"
 #define COMSIG_XENOABILITY_EARTH_RISER_ALTERNATE "xenoability_earth_riser_alternate"
 #define COMSIG_XENOABILITY_EARTH_PILLAR_THROW "xenoability_earth_pillar_throw"

code/datums/keybinding/xeno.dm

@@ -1115,6 +1115,12 @@
 	description = "Rush forward in the selected direction, damaging enemies caught in a wide path."
 	keybind_signal = COMSIG_XENOABILITY_LANDSLIDE
 
+/datum/keybinding/xeno/cancel_landslide
+	name = "Cancel Landslide"
+	full_name = "Behemoth: Cancel Landslide"
+	description = "Cancels landslide without having to select the ability"
+	keybind_signal = COMSIG_XENOABILITY_CANCEL_LANDSLIDE
+
 /datum/keybinding/xeno/earth_riser
 	name = "Earth Riser"
 	full_name = "Behemoth: Earth Riser"

code/modules/mob/living/carbon/xenomorph/castes/behemoth/abilities_behemoth.dm

@@ -236,6 +236,7 @@
 	target_flags = ABILITY_TURF_TARGET
 	keybinding_signals = list(
 		KEYBINDING_NORMAL = COMSIG_XENOABILITY_LANDSLIDE,
+		KEYBINDING_ALTERNATE = COMSIG_XENOABILITY_CANCEL_LANDSLIDE,
 	)
 	/// Whether this ability is currently active or not.
 	var/ability_active = FALSE
@@ -244,6 +245,10 @@
 	/// The maximum amount of charges we can have.
 	var/maximum_charges = 1
 
+/datum/action/ability/activable/xeno/landslide/alternate_action_activate()
+	if(can_use_ability(null, FALSE, ABILITY_IGNORE_SELECTED_ABILITY))
+		INVOKE_ASYNC(src, PROC_REF(use_ability))
+
 /datum/action/ability/activable/xeno/landslide/give_action(mob/living/L)
 	. = ..()
 	var/mutable_appearance/counter_maptext = mutable_appearance(icon = null, icon_state = null, layer = ACTION_LAYER_MAPTEXT)