Tweaks Headbutts and Grabbing by Species (#5951)

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

@@ -71,7 +71,9 @@
 	var/radiation_mod = 1                    // Radiation modifier
 	var/flash_mod =     1                    // Stun from blindness modifier.
 	var/fall_mod =      1                    // Fall damage modifier, further modified by brute damage modifier
+	var/grab_mod =      1                    // How easy it is to grab the species. Higher is harder to grab.
 	var/metabolism_mod = 1					 // Reagent metabolism modifier
+
 	var/vision_flags = DEFAULT_SIGHT         // Same flags as glasses.
 	var/inherent_eye_protection              // If set, this species has this level of inherent eye protection.
 	var/eyes_are_impermeable = FALSE         // If TRUE, this species' eyes are not damaged by phoron.

code/modules/mob/living/carbon/human/species/station/golem.dm

@@ -27,6 +27,7 @@
 	brute_mod = 2
 	burn_mod = 4
 	virus_immune = 1
+	grab_mod = 2
 
 	warning_low_pressure = 50 //golems can into space now
 	hazard_low_pressure = 0

code/modules/mob/living/carbon/human/species/station/monkey.dm

@@ -33,6 +33,7 @@
 	brute_mod = 1.5
 	burn_mod = 1.5
 	fall_mod = 0.5
+	grab_mod = 2
 	natural_climbing = 1
 
 	spawn_flags = IS_RESTRICTED

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

@@ -55,6 +55,7 @@
 	gluttonous = 1
 	slowdown = 0.5
 	brute_mod = 0.8
+	grab_mod = 0.75
 	fall_mod = 1.2
 	ethanol_resistance = 0.4
 	taste_sensitivity = TASTE_SENSITIVE
@@ -223,6 +224,8 @@
 	name_language = LANGUAGE_SKRELLIAN
 	rarity_value = 3
 
+	grab_mod = 1.25
+
 	spawn_flags = CAN_JOIN | IS_WHITELISTED
 	appearance_flags = HAS_HAIR_COLOR | HAS_LIPS | HAS_UNDERWEAR | HAS_SKIN_COLOR | HAS_SOCKS
 	flags = NO_SLIP
@@ -291,6 +294,8 @@
 	even the simplest concepts of other minds. Their alien physiology allows them survive happily off a diet of nothing but light, \
 	water and other radiation."
 
+	grab_mod = 1.1
+
 	has_organ = list(
 		"nutrient channel"   = /obj/item/organ/diona/nutrients,
 		"neural strata"      = /obj/item/organ/diona/strata,

code/modules/mob/living/carbon/human/species/station/vaurca_subspecies.dm

@@ -11,6 +11,7 @@
 	burn_mod = 1.2
 	oxy_mod = 1
 	radiation_mod = 0.5
+	grab_mod = 1.25
 	mob_size = 10 //fairly lighter than the worker type.
 	taste_sensitivity = TASTE_DULL
 	blurb = "Type BA, a sub-type of the generic Type B Warriors, are the second most prominent type of Vaurca society, taking the form of hive security and military grunts. \
@@ -51,6 +52,7 @@
 	eyes_icons = 'icons/mob/human_face/eyes48x48.dmi'
 	brute_mod = 0.1 //note to self: remove is_synthetic checks for brmod and burnmod
 	burn_mod = 0.8 //2x was a bit too much. we'll see how this goes.
+	grab_mod = 4
 	toxins_mod = 1 //they're not used to all our weird human bacteria.
 	breakcuffs = list(MALE,FEMALE,NEUTER)
 	mob_size = 30
@@ -104,6 +106,7 @@
 	burn_mod = 0.1
 	fall_mod = 0
 	toxins_mod = 1
+	grab_mod = 10
 	total_health = 200
 	breakcuffs = list(MALE,FEMALE,NEUTER)
 	mob_size = 30

code/modules/mob/living/carbon/human/species/xenomorphs/alien_species.dm

@@ -16,6 +16,7 @@
 	allowed_eat_types = TYPE_ORGANIC | TYPE_SYNTHETIC | TYPE_HUMANOID
 	mob_size = 14
 	fall_mod = 0
+	grab_mod = 4
 
 	has_limbs = list(
 		"chest" =  list("path" = /obj/item/organ/external/chest/unbreakable),

code/modules/mob/mob_grab.dm

@@ -235,12 +235,19 @@
 		return
 	if(!assailant.canClick())
 		return
-	if(world.time < (last_action + UPGRADE_COOLDOWN))
-		return
 	if(!assailant.canmove || assailant.lying)
 		qdel(src)
 		return
 
+	var/grab_coeff = 1
+	if(ishuman(affecting))
+		var/mob/living/carbon/human/H = affecting
+		if(H.species)
+			grab_coeff = H.species.grab_mod
+
+	if(world.time < (last_action + (UPGRADE_COOLDOWN * grab_coeff)))
+		return
+
 	last_action = world.time
 
 	if(state < GRAB_AGGRESSIVE)

code/modules/mob/mob_grab_specials.dm

@@ -90,6 +90,12 @@
 	attacker.visible_message("<span class='danger'>[attacker] thrusts \his head into [target]'s skull!</span>")
 
 	var/damage = 20
+	if(attacker.mob_size >= 10)
+		damage += min(attacker.mob_size, 20)
+
+	if(isunathi(attacker))
+		damage += 5
+
 	var/obj/item/clothing/hat = attacker.head
 	if(istype(hat))
 		damage += hat.force * 3