Adds Skeletons for background use

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

@@ -112,5 +112,5 @@
 
 	mutations.Add(SKELETON)
 	status_flags |= DISFIGURED
-	update_body(0)
+	update_body(1)
 	return

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

@@ -0,0 +1,53 @@
+/datum/species/skeleton
+	name = "Skeleton"
+	name_plural = "Skeletons"
+	icobase = 'icons/mob/human_races/r_skeleton.dmi'
+	primitive_form = "Monkey"
+	language = "Sol Common"
+	unarmed_types = list(/datum/unarmed_attack/claws/strong, /datum/unarmed_attack/bite/sharp)	//Bones are pointy, fight me.
+	blurb = "Spooky Scary Skeletons!"
+	name_language = null // Use the first-name last-name generator rather than a language scrambler
+	min_age = 17
+	max_age = 110
+	health_hud_intensity = 1.5
+
+	flags = NO_SCAN | NO_PAIN | NO_SLIP | NO_POISON | NO_MINOR_CUT | NO_BLOOD | UNDEAD
+	spawn_flags = SPECIES_IS_RESTRICTED
+	appearance_flags = null
+
+	show_ssd = null
+
+	blood_volume = null
+	taste_sensitivity = TASTE_DULL
+	hunger_factor = 0
+	metabolic_rate = 0
+
+	virus_immune =	1
+
+	brute_mod =     1
+	burn_mod =      0
+	oxy_mod =       0
+	toxins_mod =    0
+	radiation_mod = 0
+	flash_mod =     0
+	chemOD_mod =	0
+
+	siemens_coefficient = 0
+
+	death_message = "falls over and stops moving!"
+	knockout_message = "falls over and stops moving!"
+
+	has_organ = list()
+
+	warning_low_pressure = 50
+	hazard_low_pressure = -1
+
+	cold_level_1 = 50
+	cold_level_2 = -1
+	cold_level_3 = -1
+
+	heat_level_1 = 2000
+	heat_level_2 = 3000
+	heat_level_3 = 4000
+
+	body_temperature = T20C

code/modules/mob/living/living.dm

@@ -695,9 +695,21 @@ default behaviour is:
 						if(A.has_gravity)
 							//this is the gay blood on floor shit -- Added back -- Skie
 							if (M.lying && (prob(M.getBruteLoss() / 6)))
-								var/turf/location = M.loc
-								if (istype(location, /turf/simulated))
-									location.add_blood(M)
+								var/bloodtrail = 1	//Checks if it's possible to even spill blood
+								if(ishuman(M))
+									var/mob/living/carbon/human/H = M
+									if(H.species.flags & NO_BLOOD)
+										bloodtrail = 0
+									else
+										var/blood_volume = round((H.vessel.get_reagent_amount("blood")/H.species.blood_volume)*100)
+										if(blood_volume < BLOOD_VOLUME_SURVIVE)
+											bloodtrail = 0	//Most of it's gone already, just leave it be
+										else
+											H.vessel.remove_reagent("blood", 1)
+								if(bloodtrail)
+									var/turf/location = M.loc
+									if(istype(location, /turf/simulated))
+										location.add_blood(M)
 							//pull damage with injured people
 								if(prob(25))
 									M.adjustBruteLoss(1)
@@ -708,13 +720,20 @@ default behaviour is:
 									visible_message("<span class='danger'>\The [M]'s [M.isSynthetic() ? "state" : "wounds"] worsen terribly from being dragged!</span>")
 									var/turf/location = M.loc
 									if (istype(location, /turf/simulated))
-										location.add_blood(M)
+										var/bloodtrail = 1	//Checks if it's possible to even spill blood
 										if(ishuman(M))
 											var/mob/living/carbon/human/H = M
-											var/blood_volume = round(H.vessel.get_reagent_amount("blood"))
-											if(blood_volume > 0)
-												H.vessel.remove_reagent("blood", 1)
-
+											if(H.species.flags & NO_BLOOD)
+												bloodtrail = 0
+											else
+												var/blood_volume = round((H.vessel.get_reagent_amount("blood")/H.species.blood_volume)*100)
+												if(blood_volume < BLOOD_VOLUME_SURVIVE)
+													bloodtrail = 0	//Most of it's gone already, just leave it be
+												else
+													H.vessel.remove_reagent("blood", 1)
+										if(bloodtrail)
+											if(istype(location, /turf/simulated))
+												location.add_blood(M)
 
 					step(pulling, get_dir(pulling.loc, T))
 					if(t)