Unarmed Attack Fixes (#17078)

Fixes a lot of bugs with Unarmed Attack logic.

- You can not stomp while buckled now.
- You can not kick while buckled now.
- You can not bite while buckled now.

- Fixes it so the click code can properly get to unarmed attack code now, allowing it to run it's proper checks to see if you can attack or not instead of just always returning false.

- Changes some vars from 0 to FALSE where indicated.
- Gets rid of some needless = FALSE when it was already on the parent

- Fixes gloves increasing damage on anything other than punches.

code/modules/mob/living/carbon/human/human_attackhand.dm

@@ -267,7 +267,7 @@
 			var/real_damage = rand_damage
 			var/hit_dam_type = attack.damage_type
 			real_damage += attack.get_unarmed_damage(H)
-			if(H.gloves)
+			if(H.gloves && attack.is_punch)
 				if(istype(H.gloves, /obj/item/clothing/gloves))
 					var/obj/item/clothing/gloves/G = H.gloves
 					real_damage += G.punch_force

code/modules/mob/living/carbon/human/species/species_attack.dm

@@ -12,6 +12,7 @@
 	attack_noun = list("tendril")
 	eye_attack_text = "a tendril"
 	eye_attack_text_victim = "a tendril"
+	is_punch = TRUE
 
 /datum/unarmed_attack/claws
 	attack_name = "claws"

code/modules/mob/living/carbon/human/species/species_attack_vr.dm

@@ -1,4 +1,5 @@
 /datum/unarmed_attack/bite/sharp/numbing //Is using this against someone you are truly trying to fight a bad idea? Yes. Yes it is.
+	attack_name = "numbing bite"
 	attack_verb = list("bit")
 	attack_noun = list("fangs")
 	attack_sound = 'sound/weapons/bite.ogg'

code/modules/mob/living/carbon/human/unarmed_attack.dm

@@ -8,11 +8,12 @@ var/global/list/sparring_attack_cache = list()
 	var/damage = 0						// Extra empty hand attack damage.
 	var/attack_sound = "punch"
 	var/miss_sound = 'sound/weapons/punchmiss.ogg'
-	var/shredding = 0 // Calls the old attack_alien() behavior on objects/mobs when on harm intent.
+	var/shredding = FALSE // Calls the old attack_alien() behavior on objects/mobs when on harm intent.
 	var/sharp = FALSE
 	var/edge = FALSE
 
 	var/damage_type = BRUTE
+	var/is_punch = FALSE //If the attack benefits from the damage increase things being on your hands give.
 	var/sparring_variant_type = /datum/unarmed_attack/light_strike
 
 	var/eye_attack_text
@@ -113,20 +114,21 @@ var/global/list/sparring_attack_cache = list()
 	attack_name = "bite"
 	attack_verb = list("bit")
 	attack_sound = 'sound/weapons/bite.ogg'
-	shredding = 0
 	damage = 0
-	sharp = FALSE
-	edge = FALSE
+	//sharp = TRUE //Enable if you want bites to make people bleed.
+	//germ_increase = 10 //Amount of germs each bite will give to the person.
 
 /datum/unarmed_attack/bite/event1
 
 /datum/unarmed_attack/bite/is_usable(var/mob/living/carbon/human/user, var/mob/living/carbon/human/target, var/zone)
-
-	if (user.is_muzzled())
-		return 0
-	if (user == target && (zone == BP_HEAD || zone == O_EYES || zone == O_MOUTH))
-		return 0
-	return TRUE
+	if (user.is_muzzled() || user.buckled)
+		return FALSE
+	if (user == target && ((zone == BP_GROIN && (prob(98)) || (zone == BP_HEAD || zone == O_EYES || zone == O_MOUTH)))) //biting your own groin is hard. 2% hit chance.
+		return FALSE
+	for(var/obj/item/organ/external/head/user_head in user.organs) //We have a head!
+		if(!user_head.dislocated && !(user_head.status & ORGAN_BROKEN)) //And it's not dislocated
+			return TRUE
+	return FALSE
 
 /datum/unarmed_attack/punch
 	attack_name = "punch"
@@ -135,6 +137,7 @@ var/global/list/sparring_attack_cache = list()
 	eye_attack_text = "fingers"
 	eye_attack_text_victim = "digits"
 	damage = 0
+	is_punch = TRUE
 
 /datum/unarmed_attack/punch/event1
 
@@ -149,7 +152,7 @@ var/global/list/sparring_attack_cache = list()
 
 	if(target == user)
 		user.visible_message(span_danger("[user] [pick(attack_verb)] [TU.himself] in the [organ]!"))
-		return 0
+		return FALSE
 
 	if(!target.lying)
 		switch(zone)
@@ -193,7 +196,7 @@ var/global/list/sparring_attack_cache = list()
 /datum/unarmed_attack/kick/event1
 
 /datum/unarmed_attack/kick/is_usable(var/mob/living/carbon/human/user, var/mob/living/carbon/human/target, var/zone)
-	if (user.legcuffed)
+	if(user.legcuffed || user.buckled)
 		return FALSE
 
 	if(!(zone in list("l_leg", "r_leg", "l_foot", "r_foot", BP_GROIN)))
@@ -238,7 +241,7 @@ var/global/list/sparring_attack_cache = list()
 
 /datum/unarmed_attack/stomp/is_usable(var/mob/living/carbon/human/user, var/mob/living/carbon/human/target, var/zone)
 
-	if (user.legcuffed)
+	if (user.legcuffed || user.buckled)
 		return FALSE
 
 	if(!istype(target))
@@ -279,7 +282,4 @@ var/global/list/sparring_attack_cache = list()
 	attack_verb = list("tapped", "lightly struck")
 	damage = 3
 	damage_type = HALLOSS
-	shredding = 0
-	damage = 0
-	sharp = FALSE
-	edge = FALSE
+	is_punch = TRUE