Merge branch 'master' into gc_debugging

code/modules/mob/mob.dm

@@ -5,6 +5,8 @@
 	GLOB.all_clockwork_mobs -= src
 	GLOB.mob_directory -= tag
 	focus = null
+	LAssailant = null
+	movespeed_modification = null
 	for (var/alert in alerts)
 		clear_alert(alert, TRUE)
 	if(observers && observers.len)
@@ -955,3 +957,25 @@ GLOBAL_VAR_INIT(exploit_warn_spam_prevention, 0)
 
 /mob/proc/getLAssailant()
 	return LAssailant?.resolve()
+
+/// Updates the grab state of the mob and updates movespeed
+/mob/setGrabState(newstate)
+	. = ..()
+	if(grab_state == GRAB_PASSIVE)
+		remove_movespeed_modifier(MOVESPEED_ID_MOB_GRAB_STATE, update=TRUE)
+	else
+		add_movespeed_modifier(MOVESPEED_ID_MOB_GRAB_STATE, update=TRUE, priority=100, override=TRUE, multiplicative_slowdown=grab_state*3, blacklisted_movetypes=FLOATING)
+
+/mob/proc/update_equipment_speed_mods()
+	var/speedies = equipped_speed_mods()
+	if(!speedies)
+		remove_movespeed_modifier(MOVESPEED_ID_MOB_EQUIPMENT, update=TRUE)
+	else
+		add_movespeed_modifier(MOVESPEED_ID_MOB_EQUIPMENT, update=TRUE, priority=100, override=TRUE, multiplicative_slowdown=speedies, blacklisted_movetypes=FLOATING)
+
+/// Gets the combined speed modification of all worn items
+/// Except base mob type doesnt really wear items
+/mob/proc/equipped_speed_mods()
+	for(var/obj/item/I in held_items)
+		if(I.item_flags & SLOWS_WHILE_IN_HAND)
+			. += I.slowdown