Adds a cancel combo button for krav maga (#15543)

* pew pew

* uhhh yes

* tumblr moment

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

code/modules/martial_arts/combos/krav_maga/leg_sweep.dm

@@ -11,4 +11,5 @@
 	target.apply_damage(5, BRUTE)
 	target.Weaken(2)
 	add_attack_logs(user, target, "Melee attacked with martial-art [src] :  Leg Sweep", ATKLOG_ALL)
+	user.mind.martial_art.in_stance = FALSE
 	return MARTIAL_COMBO_DONE_CLEAR_COMBOS

code/modules/martial_arts/combos/krav_maga/lung_punch.dm

@@ -9,4 +9,5 @@
 	target.AdjustLoseBreath(5)
 	target.adjustOxyLoss(10)
 	add_attack_logs(user, target, "Melee attacked with martial-art [src] :  Lung Punch", ATKLOG_ALL)
+	user.mind.martial_art.in_stance = FALSE
 	return MARTIAL_COMBO_DONE_CLEAR_COMBOS

code/modules/martial_arts/combos/krav_maga/neck_chop.dm

@@ -6,7 +6,8 @@
 	target.visible_message("<span class='warning'>[user] karate chops [target]'s neck!</span>", \
 		"<span class='userdanger'>[user] karate chops your neck, rendering you unable to speak for a short time!</span>")
 	playsound(get_turf(user), 'sound/effects/hit_punch.ogg', 50, 1, -1)
-	target.apply_damage(5, BRUTE)
+	target.apply_damage(5, BRUTE, BODY_ZONE_HEAD)
 	target.AdjustSilence(10)
 	add_attack_logs(user, target, "Melee attacked with martial-art [src] :  Neck Chop", ATKLOG_ALL)
+	user.mind.martial_art.in_stance = FALSE
 	return MARTIAL_COMBO_DONE_CLEAR_COMBOS

code/modules/martial_arts/krav_maga.dm

@@ -3,6 +3,20 @@
 	var/datum/action/neck_chop/neckchop = new/datum/action/neck_chop()
 	var/datum/action/leg_sweep/legsweep = new/datum/action/leg_sweep()
 	var/datum/action/lung_punch/lungpunch = new/datum/action/lung_punch()
+	var/datum/action/neutral_stance/neutral = new/datum/action/neutral_stance()
+
+/datum/action/neutral_stance
+	name = "Neutral Stance - You relax, cancelling your last Krav Maga stance attack."
+	button_icon_state = "neutralstance"
+
+/datum/action/neutral_stance/Trigger()
+	var/mob/living/carbon/human/H = owner
+	if(!H.mind.martial_art.in_stance)
+		to_chat(owner, "<b><i>You cannot cancel an attack you haven't prepared!</i></b>")
+		return
+	to_chat(owner, "<b><i>You cancel your prepared attack.</i></b>")
+	owner.visible_message("<span class='danger'> [owner] relaxes [owner.p_their()] stance.</span>")
+	H.mind.martial_art.combos.Cut()
 
 /datum/action/neck_chop
 	name = "Neck Chop - Injures the neck, stopping the victim from speaking for a while."
@@ -18,7 +32,7 @@
 	H.mind.martial_art.combos.Cut()
 	H.mind.martial_art.combos.Add(/datum/martial_combo/krav_maga/neck_chop)
 	H.mind.martial_art.reset_combos()
-
+	H.mind.martial_art.in_stance = TRUE
 /datum/action/leg_sweep
 	name = "Leg Sweep - Trips the victim, rendering them prone and unable to move for a short time."
 	button_icon_state = "legsweep"
@@ -33,6 +47,7 @@
 	H.mind.martial_art.combos.Cut()
 	H.mind.martial_art.combos.Add(/datum/martial_combo/krav_maga/leg_sweep)
 	H.mind.martial_art.reset_combos()
+	H.mind.martial_art.in_stance = TRUE
 
 /datum/action/lung_punch//referred to internally as 'quick choke'
 	name = "Lung Punch - Delivers a strong punch just above the victim's abdomen, constraining the lungs. The victim will be unable to breathe for a short time."
@@ -48,11 +63,13 @@
 	H.mind.martial_art.combos.Cut()
 	H.mind.martial_art.combos.Add(/datum/martial_combo/krav_maga/lung_punch)
 	H.mind.martial_art.reset_combos()
+	H.mind.martial_art.in_stance = TRUE
 
 /datum/martial_art/krav_maga/teach(mob/living/carbon/human/H, make_temporary=0)
 	..()
 	to_chat(H, "<span class = 'userdanger'>You know the arts of Krav Maga!</span>")
 	to_chat(H, "<span class = 'danger'>Place your cursor over a move at the top of the screen to see what it does.</span>")
+	neutral.Grant(H)
 	neckchop.Grant(H)
 	legsweep.Grant(H)
 	lungpunch.Grant(H)
@@ -60,6 +77,7 @@
 /datum/martial_art/krav_maga/remove(mob/living/carbon/human/H)
 	..()
 	to_chat(H, "<span class = 'userdanger'>You suddenly forget the arts of Krav Maga...</span>")
+	neutral.Remove(H)
 	neckchop.Remove(H)
 	legsweep.Remove(H)
 	lungpunch.Remove(H)

code/modules/martial_arts/martial.dm

@@ -18,6 +18,7 @@
 	var/list/combos = list()							// What combos can the user do? List of combo types
 	var/list/datum/martial_art/current_combos = list()	// What combos are currently (possibly) being performed
 	var/last_hit = 0									// When the last hit happened
+	var/in_stance = FALSE // If the user is preparing a martial arts stance
 
 /datum/martial_art/New()
 	. = ..()