([\W\.])Knockdown\(

code/modules/projectiles/guns/ballistic/revolver.dm

@@ -359,4 +359,4 @@
 		user.visible_message("<span class='warning'>[user] somehow manages to shoot [user.p_them()]self in the face!</span>", "<span class='userdanger'>You somehow shoot yourself in the face! How the hell?!</span>")
 		user.emote("scream")
 		user.drop_all_held_items()
-		user.Knockdown(80)
+		user.DefaultCombatKnockdown(80)

code/modules/projectiles/projectile/magic.dm

@@ -529,7 +529,7 @@
 	else
 		used = 1
 		victim.take_overall_damage(30,30)
-		victim.Knockdown(60)
+		victim.DefaultCombatKnockdown(60)
 		explosion(src, -1, -1, -1, -1, FALSE, FALSE, 5)
 
 /obj/item/projectile/magic/nuclear/Destroy()

code/modules/projectiles/projectile/special/hallucination.dm

@@ -166,7 +166,7 @@
 	hal_impact_effect_wall = null
 
 /obj/item/projectile/hallucination/taser/hal_apply_effect()
-	hal_target.Knockdown(100)
+	hal_target.DefaultCombatKnockdown(100)
 	hal_target.stuttering += 20
 	if(hal_target.dna && hal_target.dna.check_mutation(HULK))
 		hal_target.say(pick(";RAAAAAAAARGH!", ";HNNNNNNNNNGGGGGGH!", ";GWAAAAAAAARRRHHH!", "NNNNNNNNGGGGGGGGHH!", ";AAAAAAARRRGH!" ), forced = "hulk")
@@ -199,7 +199,7 @@
 	hal_impact_effect_wall = null
 
 /obj/item/projectile/hallucination/ebow/hal_apply_effect()
-	hal_target.Knockdown(100)
+	hal_target.DefaultCombatKnockdown(100)
 	hal_target.stuttering += 5
 	hal_target.adjustStaminaLoss(8)
 

code/modules/projectiles/projectile/special/neurotoxin.dm

@@ -10,5 +10,5 @@
 		nodamage = TRUE
 	else if(iscarbon(target))
 		var/mob/living/L = target
-		L.Knockdown(100, TRUE, FALSE, 30, 25)
+		L.DefaultCombatKnockdown(100, TRUE, FALSE, 30, 25)
 	return ..()