adds plumbing machine that can grind/juice items (#47881)

cl
add: plumbing machine to grind/juice objects and put it on duct net
/cl
!! it doesnt move shit you need to add belts to feed it!!

sprite by arcanemagician

code/modules/plumbing/plumbers/_plumb_machinery.dm

@@ -26,7 +26,10 @@
 	. = ..()
 	anchored = bolt
 	create_reagents(buffer, reagent_flags)
-	AddComponent(/datum/component/simple_rotation, ROTATION_ALTCLICK | ROTATION_CLOCKWISE | ROTATION_COUNTERCLOCKWISE | ROTATION_VERBS )
+	AddComponent(/datum/component/simple_rotation, ROTATION_ALTCLICK | ROTATION_CLOCKWISE | ROTATION_COUNTERCLOCKWISE | ROTATION_VERBS, null, CALLBACK(src, .proc/can_be_rotated))
+
+/obj/machinery/plumbing/proc/can_be_rotated(mob/user,rotation_type)
+	return TRUE
 
 /obj/machinery/plumbing/examine(mob/user)
 	. = ..()

code/modules/plumbing/plumbers/grinder_chemical.dm

@@ -0,0 +1,65 @@
+/obj/machinery/plumbing/grinder_chemical
+	name = "chemical grinder"
+	desc = "chemical grinder."
+	icon_state = "grinder_chemical"
+	layer = ABOVE_ALL_MOB_LAYER
+	reagent_flags = TRANSPARENT | DRAINABLE
+	rcd_cost = 30
+	rcd_delay = 30
+	buffer = 400
+	var/eat_dir = NORTH
+
+/obj/machinery/plumbing/grinder_chemical/Initialize(mapload, bolt)
+	. = ..()
+	AddComponent(/datum/component/plumbing/simple_supply, bolt)
+
+/obj/machinery/plumbing/grinder_chemical/can_be_rotated(mob/user,rotation_type)
+	if(anchored)
+		to_chat(user, "<span class='warning'>It is fastened to the floor!</span>")
+		return FALSE
+	switch(eat_dir)
+		if(WEST)
+			eat_dir = NORTH
+			return TRUE
+		if(EAST)
+			eat_dir = SOUTH
+			return TRUE
+		if(NORTH)
+			eat_dir = EAST
+			return TRUE
+		if(SOUTH)
+			eat_dir = WEST
+			return TRUE
+
+/obj/machinery/plumbing/grinder_chemical/CanPass(atom/movable/AM)
+	. = ..()
+	if(!anchored)
+		return
+	var/move_dir = get_dir(loc, AM.loc)
+	if(move_dir == eat_dir)
+		return TRUE
+
+/obj/machinery/plumbing/grinder_chemical/Crossed(atom/movable/AM)
+	. = ..()
+	grind(AM)
+
+/obj/machinery/plumbing/grinder_chemical/proc/grind(atom/AM)
+	if(stat & NOPOWER)
+		return
+	if(reagents.holder_full())
+		return
+	if(!isitem(AM))
+		return
+	var/obj/item/I = AM
+	if(I.juice_results || I.grind_results)
+		if(I.juice_results)
+			I.on_juice()
+			reagents.add_reagent_list(I.juice_results)
+			if(I.reagents)
+				I.reagents.trans_to(src, I.reagents.total_volume, transfered_by = src)
+			qdel(I)
+			return
+		I.on_grind()
+		reagents.add_reagent_list(I.grind_results)
+		qdel(I)
+