Crate Shelves

code/game/objects/items/stacks/stack_recipes.dm

@@ -340,6 +340,7 @@ var/list/datum/stack_recipe/metal_recipes = list (
 		), 2),
 	new/datum/stack_recipe("table parts", /obj/item/weapon/table_parts,                           2                                ),
 	new/datum/stack_recipe("rack parts",  /obj/item/weapon/rack_parts,                                                             ),
+	new/datum/stack_recipe("crate shelf parts", /obj/item/weapon/rack_parts/shelf,                3                                ),
 	new/datum/stack_recipe("filing cabinet", /obj/structure/filingcabinet/filingcabinet,						  2, one_per_turf = 1, time = 15   ),
 	new/datum/stack_recipe("closet",      /obj/structure/closet/basic,                            2, one_per_turf = 1, time = 15   ),
 	new/datum/stack_recipe("metal crate", /obj/structure/closet/crate/basic,                      2, one_per_turf = 1, time = 15   ),

code/game/objects/items/weapons/table_rack_parts.dm

@@ -234,3 +234,16 @@
 	R.add_fingerprint(user)
 	user.drop_item(src, force_drop = 1)
 	qdel(src)
+
+/obj/item/weapon/rack_parts/shelf
+	name = "crate shelf parts"
+	desc = "Parts of a shelf."
+	icon_state = "crate_shelf_parts"
+	starting_materials = list(MAT_IRON = 11250)
+	sheet_amount = 3
+
+/obj/item/weapon/rack_parts/shelf/attack_self(mob/user)
+	var/obj/structure/rack/crate_shelf/C = new /obj/structure/rack/crate_shelf(user.loc)
+	C.add_fingerprint(user)
+	user.drop_item(src, force_drop = 1)
+	qdel(src)

code/game/objects/structures/crates_lockers/crates.dm

@@ -532,6 +532,8 @@
 /obj/structure/closet/crate/attack_hand(var/mob/user)
 	if(!Adjacent(user))
 		return
+	if(istype(src.loc, /obj/structure/rack/crate_shelf))
+		return // No opening crates in shelves!!
 	add_fingerprint(user)
 	if(opened)
 		close()
@@ -560,6 +562,22 @@
 	else
 		..()
 
+/obj/structure/closet/crate/MouseDrop(atom/drop_atom, src_location, over_location)
+	. = ..()
+	var/mob/living/user = usr
+	if(!isliving(user))
+		return // Ghosts busted.
+	if(!isturf(user.loc) || user.incapacitated() || user.resting)
+		return // If the user is in a weird state, don't bother trying.
+	if(get_dist(drop_atom, src) != 1 || get_dist(drop_atom, user) != 1)
+		return // Check whether the crate is exactly 1 tile from the shelf and the user.
+	if(isturf(drop_atom) && istype(loc, /obj/structure/rack/crate_shelf) && user.Adjacent(drop_atom))
+		var/obj/structure/rack/crate_shelf/shelf = loc
+		return shelf.unload(src, user, drop_atom) // If we're being dropped onto a turf, and we're inside of a crate shelf, unload.
+	if(istype(drop_atom, /obj/structure/rack/crate_shelf) && isturf(loc) && user.Adjacent(src))
+		var/obj/structure/rack/crate_shelf/shelf = drop_atom
+		return shelf.load(src, user) // If we're being dropped onto a crate shelf, and we're in a turf, load.
+
 /obj/structure/closet/crate/secure/proc/togglelock(atom/A)
 	if(istype(A,/mob))
 		var/mob/user = A

code/game/objects/structures/crateshelf.dm

@@ -0,0 +1,139 @@
+#define DEFAULT_SHELF_CAPACITY 3 // Default capacity of the shelf
+#define DEFAULT_SHELF_USE_DELAY 1 SECONDS // Default interaction delay of the shelf
+#define DEFAULT_SHELF_VERTICAL_OFFSET 11 // Vertical pixel offset of shelving-related things.
+
+/obj/structure/rack/crate_shelf
+	name = "crate shelf"
+	desc = "It's a shelf! For storing crates!"
+	icon = 'icons/obj/objects.dmi'
+	icon_state = "shelf_base"
+	density = TRUE
+	anchored = TRUE
+	health = 50 // A bit stronger than a regular rack
+	parts = /obj/item/weapon/rack_parts/shelf
+
+	var/capacity = DEFAULT_SHELF_CAPACITY
+	var/use_delay = DEFAULT_SHELF_USE_DELAY
+	var/list/shelf_contents
+
+/obj/structure/rack/crate_shelf/tall
+	capacity = 12
+
+/obj/structure/rack/crate_shelf/New()
+	. = ..()
+	var/mutable_appearance/base = mutable_appearance(icon = 'icons/obj/objects.dmi', icon_state = "shelf_overlay", layer = BELOW_OBJ_LAYER + 0.01, plane = FLOAT_PLANE)
+	base.plane = FLOAT_PLANE
+	overlays += base
+	shelf_contents = new/list(capacity) // Initialize our shelf's contents list, this will be used later.
+	var/stack_layer // This is used to generate the sprite layering of the shelf pieces.
+	var/stack_offset // This is used to generate the vertical offset of the shelf pieces.
+	var/stack_plane = FLOAT_PLANE
+	for(var/i in 1 to (capacity - 1))
+		if(i >= 3) // If we're at or above three, we'll be on the way to going off the tile we're on. This allows mobs to be below the shelf when this happens.
+			stack_plane = HUMAN_PLANE
+		stack_layer  = BELOW_OBJ_LAYER + (0.02 * i) - 0.01 // Make each shelf piece render above the last, but below the crate that should be on it.
+		stack_offset = DEFAULT_SHELF_VERTICAL_OFFSET * i // Make each shelf piece physically above the last.
+		var/mutable_appearance/nextshelf = mutable_appearance(icon = 'icons/obj/objects.dmi', icon_state = "shelf_stack", layer = stack_layer, plane = stack_plane)
+		stack_layer += 0.2
+		nextshelf.pixel_y = stack_offset
+		overlays += nextshelf
+		var/mutable_appearance/nextshelf_olay = mutable_appearance(icon = 'icons/obj/objects.dmi', icon_state = "shelf_overlay", layer = stack_layer, plane = stack_plane)
+		nextshelf_olay.pixel_y = stack_offset
+		overlays += nextshelf_olay
+	return
+
+/obj/structure/rack/crate_shelf/Destroy()
+	QDEL_LIST(shelf_contents)
+	return ..()
+
+/obj/structure/rack/crate_shelf/examine(mob/user)
+	. = ..()
+	. += "<span class='notice'>There are some <b>bolts</b> holding [src] together.</span>"
+	if(shelf_contents.Find(null)) // If there's an empty space in the shelf, let the examiner know.
+		. += "<span class='notice'>You could <b>drag</b> a crate into [src]."
+	if(contents.len) // If there are any crates in the shelf, let the examiner know.
+		. += "<span class='notice'>You could <b>drag</b> a crate out of [src]."
+		. += "<span class='notice'>[src] contains:</span>"
+		for(var/obj/structure/closet/crate/crate in shelf_contents)
+			. += "[crate]"
+
+/obj/structure/rack/crate_shelf/attackby(obj/item/weapon/W as obj, mob/living/user, params)
+	if(W.is_wrench(user) && can_disassemble())
+		W.playtoolsound(src, 50)
+		destroy(TRUE)
+
+/obj/structure/rack/crate_shelf/proc/relay_container_resist_act(mob/living/user, obj/structure/closet/crate)
+	to_chat(user, "<span class='notice'>You begin attempting to knock [crate] out of [src].</span>")
+	if(do_after(user, 30 SECONDS, target = crate))
+		if(!user || user.stat != CONSCIOUS || user.loc != crate || crate.loc != src)
+			return // If the user is in a strange condition, return early.
+		visible_message("<span class='warning'>[crate] falls off of [src]!</span>",
+						"<span class='notice'>You manage to knock [crate] free of [src].</span>",
+						"<span class='notice>You hear a thud.</span>")
+		crate.forceMove(get_turf(src)) // Drop the crate onto the shelf,
+		step_rand(crate, 1) // Then try to push it somewhere.
+		crate.plane = initial(crate.plane)
+		crate.layer = initial(crate.layer) // Reset the crate back to having the default layer, otherwise we might get strange interactions.
+		crate.pixel_y = initial(crate.pixel_y) // Reset the crate back to having no offset, otherwise it will be floating.
+		shelf_contents[shelf_contents.Find(crate)] = null // Remove the reference to the crate from the list.
+		handle_visuals()
+
+/obj/structure/rack/crate_shelf/proc/handle_visuals()
+	vis_contents = contents // It really do be that shrimple.
+	return
+
+/obj/structure/rack/crate_shelf/proc/load(obj/structure/closet/crate/crate, mob/user)
+	var/next_free = shelf_contents.Find(null) // Find the first empty slot in the shelf.
+	if(!next_free) // If we don't find an empty slot, return early.
+		to_chat(user, "<span class='warning'>\The [src] is full!</span>")
+		return FALSE
+	if(do_after(user, use_delay, target = crate))
+		if(shelf_contents[next_free] != null)
+			return FALSE // Something has been added to the shelf while we were waiting, abort!
+		if(crate.opened) // If the crate is open, try to close it.
+			if(!crate.close())
+				return FALSE // If we fail to close it, don't load it into the shelf.
+		shelf_contents[next_free] = crate // Insert a reference to the crate into the free slot.
+		crate.forceMove(src) // Insert the crate into the shelf.
+		crate.pixel_y = DEFAULT_SHELF_VERTICAL_OFFSET * (next_free - 1) // Adjust the vertical offset of the crate to look like it's on the shelf.
+		crate.plane = FLOAT_PLANE
+		if(next_free >= 3) // If we're at or above three, we'll be on the way to going off the tile we're on. This allows mobs to be below the crate when this happens.
+			crate.plane = HUMAN_PLANE
+		crate.layer = BELOW_OBJ_LAYER + 0.02 * (next_free - 1) // Adjust the layer of the crate to look like it's in the shelf.
+		handle_visuals()
+		return TRUE
+	return FALSE // If the do_after() is interrupted, return FALSE!
+
+/obj/structure/rack/crate_shelf/proc/unload(obj/structure/closet/crate/crate, mob/user, turf/unload_turf)
+	if(!unload_turf)
+		unload_turf = get_turf(user) // If a turf somehow isn't passed into the proc, put it at the user's feet.
+	if(unload_turf.density)
+		return
+	if(locate(/obj/structure/closet/crate) in unload_turf)
+		to_chat(user,"<span class='warning'>There is already a crate here.</span>")
+		return
+	if(do_after(user, use_delay, target = crate))
+		if(!shelf_contents.Find(crate))
+			return FALSE // If something has happened to the crate while we were waiting, abort!
+		crate.plane = initial(crate.plane)
+		crate.layer = initial(crate.layer) // Reset the crate back to having the default layer, otherwise we might get strange interactions.
+		crate.pixel_y = initial(crate.pixel_y) // Reset the crate back to having no offset, otherwise it will be floating.
+		crate.forceMove(unload_turf)
+		shelf_contents[shelf_contents.Find(crate)] = null // We do this instead of removing it from the list to preserve the order of the shelf.
+		handle_visuals()
+		return TRUE
+	return FALSE  // If the do_after() is interrupted, return FALSE!
+
+/obj/structure/rack/crate_shelf/destroy(dropParts = TRUE)
+	var/turf/dump_turf = get_turf(src)
+	for(var/obj/structure/closet/crate/crate in shelf_contents)
+		crate.plane = initial(crate.plane)
+		crate.layer = initial(crate.layer) // Reset the crates back to default visual state
+		crate.pixel_y = initial(crate.pixel_y)
+		crate.forceMove(dump_turf)
+		step(crate, pick(cardinal)) // Shuffle the crates around as though they've fallen down.
+		if(prob(5)) // Open the crate!
+			if(crate.open())
+				crate.visible_message("<span class='warning'>[crate]'s lid falls open!</span>")
+		shelf_contents[shelf_contents.Find(crate)] = null
+	return ..()

code/modules/mob/living/living.dm

@@ -1017,6 +1017,11 @@ Thanks.
 		var/obj/structure/closet/C = L.loc
 		if(C.opened)
 			return //Door's open... wait, why are you in it's contents then?
+		if(istype(C.loc, /obj/structure/rack/crate_shelf) && istype(C,/obj/structure/closet/crate))
+			var/obj/structure/closet/crate/R = C
+			var/obj/structure/rack/crate_shelf/CS = C.loc
+			CS.relay_container_resist_act(src,R)
+			return
 		if(!istype(C.loc, /obj/item/delivery/large)) //Wouldn't want to interrupt escaping being wrapped over the next few trivial checks
 			if(istype(C, /obj/structure/closet/secure_closet))
 				var/obj/structure/closet/secure_closet/SC = L.loc

vgstation13.dme

@@ -1243,6 +1243,7 @@
 #include "code\game\objects\structures\catwalk.dm"
 #include "code\game\objects\structures\clock.dm"
 #include "code\game\objects\structures\coatrack.dm"
+#include "code\game\objects\structures\crateshelf.dm"
 #include "code\game\objects\structures\curtains.dm"
 #include "code\game\objects\structures\displaycase.dm"
 #include "code\game\objects\structures\docking_port.dm"