Implemented NO_PAIN and parts of NO_BLOOD, restructured species flags.

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

@@ -1262,7 +1262,7 @@
 						if(2)	healths.icon_state = "health7"
 						else
 							//switch(health - halloss)
-							switch(100 - traumatic_shock)
+							switch(100 - ((species && species.flags & NO_PAIN) ? 0 : traumatic_shock))
 								if(100 to INFINITY)		healths.icon_state = "health0"
 								if(80 to 100)			healths.icon_state = "health1"
 								if(60 to 80)			healths.icon_state = "health2"
@@ -1422,7 +1422,7 @@
 	handle_shock()
 		..()
 		if(status_flags & GODMODE)	return 0	//godmode
-		if(analgesic) return // analgesic avoids all traumatic shock temporarily
+		if(analgesic || (species && species.flags & NO_PAIN)) return // analgesic avoids all traumatic shock temporarily
 
 		if(health < config.health_threshold_softcrit)// health 0 makes you immediately collapse
 			shock_stage = max(shock_stage, 61)
@@ -1471,8 +1471,11 @@
 			Weaken(20)
 
 	proc/handle_pulse()
+
 		if(life_tick % 5) return pulse	//update pulse every 5 life ticks (~1 tick/sec, depending on server load)
 
+		if(species && species.flags && NO_BLOOD) return PULSE_NONE //No blood, no pulse.
+
 		if(stat == DEAD)
 			return PULSE_NONE	//that's it, you're dead, nothing can influence your pulse
 

code/modules/organs/blood.dm

@@ -13,14 +13,15 @@ var/const/BLOOD_VOLUME_SURVIVE = 122
 //Initializes blood vessels
 /mob/living/carbon/human/proc/make_blood()
 
-	if (vessel)
-		return
-
-	if(species && species.flags & NO_BLOOD)
+	if(vessel)
 		return
 
 	vessel = new/datum/reagents(600)
 	vessel.my_atom = src
+
+	if(species && species.flags & NO_BLOOD) //We want the var for safety but we can do without the actual blood.
+		return
+
 	vessel.add_reagent("blood",560)
 	spawn(1)
 		fixblood()

code/modules/organs/pain.dm

@@ -56,7 +56,7 @@ mob/living/carbon/proc/pain(var/partname, var/amount, var/force, var/burning = 0
 mob/living/carbon/human/proc/custom_pain(var/message, var/flash_strength)
 	if(stat >= 1) return
 
-	if(species && species.flags & IS_PLANT) return
+	if(species && species.flags & NO_PAIN) return
 
 	if(reagents.has_reagent("tramadol"))
 		return
@@ -77,7 +77,7 @@ mob/living/carbon/human/proc/custom_pain(var/message, var/flash_strength)
 mob/living/carbon/human/proc/handle_pain()
 	// not when sleeping
 
-	if(species && species.flags & IS_PLANT) return
+	if(species && species.flags & NO_PAIN) return
 
 	if(stat >= 2) return
 	if(reagents.has_reagent("tramadol"))