Fix mecha mouse pointer issues (#38213)

* Fix mecha mouse pointer issues

* Migrate ranged ability mouse pointers to new system

code/modules/mob/living/living.dm

@@ -35,14 +35,6 @@
 	QDEL_LIST(diseases)
 	return ..()
 
-/mob/living/ghostize(can_reenter_corpse = 1)
-	var/prev_client = client
-	. = ..()
-	if(.)
-		if(ranged_ability && prev_client)
-			ranged_ability.remove_mousepointer(prev_client)
-
-
 /mob/living/proc/OpenCraftingMenu()
 	return
 
@@ -1149,6 +1141,11 @@
 			clear_fullscreen("remote_view", 0)
 		update_pipe_vision()
 
+/mob/living/update_mouse_pointer()
+	..()
+	if (client && ranged_ability && ranged_ability.ranged_mousepointer)
+		client.mouse_pointer_icon = ranged_ability.ranged_mousepointer
+
 /mob/living/vv_edit_var(var_name, var_value)
 	switch(var_name)
 		if("stat")

code/modules/mob/living/logout.dm

@@ -1,7 +1,5 @@
 /mob/living/Logout()
 	update_z(null)
-	if(ranged_ability && client)
-		ranged_ability.remove_mousepointer(client)
 	..()
 	if(!key && mind)	//key and mind have become separated.
 		mind.active = 0	//This is to stop say, a mind.transfer_to call on a corpse causing a ghost to re-enter its body.

code/modules/mob/login.dm

@@ -38,6 +38,7 @@
 		AA.onNewMob(src)
 
 	update_client_colour()
+	update_mouse_pointer()
 	if(client)
 		client.click_intercept = null
 

code/modules/mob/mob.dm

@@ -849,6 +849,15 @@
 		if (L)
 			L.alpha = lighting_alpha
 
+/mob/proc/update_mouse_pointer()
+	if (!client)
+		return
+	client.mouse_pointer_icon = initial(client.mouse_pointer_icon)
+	if (ismecha(loc))
+		var/obj/mecha/M = loc
+		if(M.mouse_pointer)
+			client.mouse_pointer_icon = M.mouse_pointer
+
 /mob/proc/is_literate()
 	return 0