Xeno balancing

Makes xenos slightly faster across the board, so that sentinels are now
on par with humans in terms of base speed. Makes facehuggers become
stunned when thrown, removes helmet protection.

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

@@ -96,8 +96,8 @@ var/const/MAX_ACTIVE_TIME = 400
 	..()
 	if(stat == CONSCIOUS)
 		icon_state = "[initial(icon_state)]"
-		Attach(hit_atom)
 		throwing = 0
+	GoIdle(30,50) //stunned for a few seconds - allows throwing them to be useful for positioning but not as an offensive action (unless you're setting up a trap)
 
 /obj/item/clothing/mask/facehugger/proc/Attach(M as mob)
 
@@ -124,12 +124,14 @@ var/const/MAX_ACTIVE_TIME = 400
 
 	L.visible_message("\red \b [src] leaps at [L]'s face!")
 
+	/* Tentatively removed since huggers can't be thrown anymore
 	if(ishuman(L))
 		var/mob/living/carbon/human/H = L
 		if(H.head && H.head.flags & HEADCOVERSMOUTH)
 			H.visible_message("\red \b [src] smashes against [H]'s [H.head]!")
 			Die()
 			return
+	*/
 
 	if(iscarbon(M))
 		var/mob/living/carbon/target = L
@@ -191,7 +193,7 @@ var/const/MAX_ACTIVE_TIME = 400
 
 	return
 
-/obj/item/clothing/mask/facehugger/proc/GoIdle()
+/obj/item/clothing/mask/facehugger/proc/GoIdle(var/min_time=MIN_ACTIVE_TIME, var/max_time=MAX_ACTIVE_TIME)
 	if(stat == DEAD || stat == UNCONSCIOUS)
 		return
 
@@ -200,7 +202,7 @@ var/const/MAX_ACTIVE_TIME = 400
 	stat = UNCONSCIOUS
 	icon_state = "[initial(icon_state)]_inactive"
 
-	spawn(rand(MIN_ACTIVE_TIME,MAX_ACTIVE_TIME))
+	spawn(rand(min_time,max_time))
 		GoActive()
 	return
 

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

@@ -110,7 +110,7 @@
 	name = "Xenomorph Drone"
 	caste_name = "drone"
 	weeds_plasma_rate = 15
-	slowdown = 2
+	slowdown = 1
 	tail = "xenos_drone_tail"
 	rarity_value = 5
 
@@ -149,7 +149,7 @@
 	name = "Xenomorph Hunter"
 	weeds_plasma_rate = 5
 	caste_name = "hunter"
-	slowdown = -1
+	slowdown = -2
 	total_health = 150
 	tail = "xenos_hunter_tail"
 
@@ -177,7 +177,7 @@
 	name = "Xenomorph Sentinel"
 	weeds_plasma_rate = 10
 	caste_name = "sentinel"
-	slowdown = 1
+	slowdown = 0
 	total_health = 125
 	tail = "xenos_sentinel_tail"
 
@@ -209,7 +209,7 @@
 	weeds_heal_rate = 5
 	weeds_plasma_rate = 20
 	caste_name = "queen"
-	slowdown = 5
+	slowdown = 4
 	tail = "xenos_queen_tail"
 	rarity_value = 10