pain hud display

code/_onclick/hud/alert.dm

@@ -177,6 +177,16 @@
 	desc = "You're severely dehydrated."
 	icon_state = "dehydrated"
 
+/obj/screen/alert/pain
+	name = "Pain"
+	desc = "You're in pain!"
+	icon_state = "pain"
+
+/obj/screen/alert/painmajor
+	name = "Major Pain"
+	desc = "You're in major pain!"
+	icon_state = "pain_major"
+
 /obj/screen/alert/gross
 	name = "Grossed out."
 	desc = "That was kind of gross..."

code/modules/reagents/chemistry/reagents/alcohol_reagents.dm

@@ -36,7 +36,7 @@ All effects don't start immediately, but rather get worse over time; the rate is
 */
 
 /datum/reagent/consumable/ethanol/on_mob_life(mob/living/carbon/C)
-	M.adjustPainLoss(-0.25*REM, 0) //alchol dulls pain
+	C.adjustPainLoss(-0.25*REM, 0) //alchol dulls pain
 	if(C.drunkenness < volume * boozepwr * ALCOHOL_THRESHOLD_MODIFIER)
 		var/booze_power = boozepwr
 		if(HAS_TRAIT(C, TRAIT_ALCOHOL_TOLERANCE)) //we're an accomplished drinker

code/modules/reagents/chemistry/reagents/medicine_reagents.dm

@@ -391,7 +391,7 @@ datum/reagent/medicine/styptic_powder/overdose_start(mob/living/M)
 /datum/reagent/medicine/mine_salve/on_mob_life(mob/living/carbon/C)
 	C.hal_screwyhud = SCREWYHUD_HEALTHY
 	C.adjustBruteLoss(-0.25*REM, 0)
-	M.adjustPainLoss(-1*REM, 0)
+	C.adjustPainLoss(-1*REM, 0)
 	C.adjustFireLoss(-0.25*REM, 0)
 	C.adjustStaminaLoss(-0.5*REM, 0)
 	..()