Augments and Robot Modules Cannot be dropped, moved, embedded (#14266)

code/modules/mob/inventory.dm

@@ -22,7 +22,10 @@
 //set disable_warning to disable the 'you are unable to equip that' warning.
 //unset redraw_mob to prevent the mob from being redrawn at the end.
 /mob/proc/equip_to_slot_if_possible(obj/item/W as obj, slot, del_on_fail = FALSE, disable_warning = FALSE, redraw_mob = TRUE, ignore_blocked = FALSE, assisted_equip = FALSE)
-	if(!istype(W)) return 0
+	if(!istype(W))
+		return FALSE
+	if(W.item_flags & NOMOVE) //Cannot move NOMOVE items from one inventory slot to another. Cannot do canremove here because then BSTs spawn naked. 
+		return FALSE
 
 	if(!W.mob_can_equip(src, slot, disable_warning, ignore_blocked))
 		if(del_on_fail)
@@ -393,12 +396,13 @@ var/list/slot_equipment_priority = list( \
 					continue
 				return TRUE //Something is stopping us. Takes off throw mode.
 				
-		remove_from_mob(I)
-		make_item_drop_sound(I)
-		I.forceMove(T)
-		return TRUE
+		if(unEquip(I))
+			make_item_drop_sound(I)
+			I.forceMove(T)
+			return TRUE
 
-	remove_from_mob(item)
+	if(!unEquip(item))
+		return TRUE
 
 	if(is_pacified())
 		to_chat(src, "<span class='notice'>You set [item] down gently on the ground.</span>")

code/modules/mob/living/carbon/carbon_defense.dm

@@ -102,11 +102,11 @@
 	apply_damage(effective_force, I.damtype, hit_zone, I, damage_flags, I.armor_penetration)
 
 	//Melee weapon embedded object code.
-	if (I && I.damtype == BRUTE && !I.anchored && !is_robot_module(I))
+	if (I && I.damtype == BRUTE && !I.anchored && !is_robot_module(I) && I.canremove)
 		var/damage = effective_force //just the effective damage used for sorting out embedding, no further damage is applied here
 		damage *= 1 - get_blocked_ratio(hit_zone, I.damtype, I.damage_flags(), I.armor_penetration, I.force)
 
-		if(I.can_embed)//If this weapon is allowed to embed in people
+		if(I.can_embed) //If this weapon is allowed to embed in people.
 			//blunt objects should really not be embedding in things unless a huge amount of force is involved
 			var/sharp = damage_flags & DAM_SHARP
 			var/edge = damage_flags & DAM_EDGE

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

@@ -443,12 +443,15 @@
 					playsound(loc, 'sound/weapons/thudswoosh.ogg', 50, 1, -1)
 					return
 
-				//Actually disarm them
+				//Actually disarm them, if possible
 				for(var/obj/item/I in holding)
-					drop_from_inventory(I)
-					visible_message("<span class='danger'>[M] has disarmed [src]!</span>")
-					playsound(loc, 'sound/weapons/thudswoosh.ogg', 50, 1, -1)
-					return
+					if(unEquip(I))
+						visible_message(SPAN_DANGER("\The [M] has disarmed \the [src]!"))
+						playsound(loc, 'sound/weapons/thudswoosh.ogg', 50, 1, -1)
+						return
+					else
+						to_chat(M, SPAN_WARNING("You cannot disarm \the [I] from \the [src], as it's attached to them!"))
+						//No return here is intentional, as it will then try to disarm other items, and/or play a failed disarm message
 
 			playsound(loc, /decl/sound_category/punchmiss_sound, 25, 1, -1)
 			visible_message("<span class='danger'>[M] attempted to disarm [src]!</span>")