compatability and legacy mostly done. schema recipes are all messed up for some reason.

.github/workflows/build.yml

@@ -17,5 +17,8 @@ jobs:
       - name: luacheck moreblocks
         run: $HOME/.luarocks/bin/luacheck --config ./moreblocks/.luacheckrc -q ./moreblocks
 
-      - name: luacheck stairsplus (expected to fail until more work is done)
+      - name: luacheck stairsplus
         run: $HOME/.luarocks/bin/luacheck --config ./stairsplus/.luacheckrc  -q ./stairsplus
+
+      - name: luacheck stairsplus_legacy
+        run: $HOME/.luarocks/bin/luacheck --config ./stairsplus/.luacheckrc  -q ./stairsplus_legacy

CHANGELOG.md

@@ -14,24 +14,26 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - turned into a modpack (i.e. properly separated moreblocks and stairsplus)
 - refactored and rewrote a ton of stuff
 - got rid of some dead code (e.g. "ownership.lua")
-- more API for creating node variants, e.g. trap nodes, all_faces, shapes
 - parameterized resources (sounds, textures, craft materials) to make it easier to integrate w/ other minetest "games"
 - actually implement luachecking - stop ignoring problems
 - fix some unreported bugs (e.g. dependencies which weren't declared, unused code)
-- i'm rewriting large parts of the mod and creating a sane API, i'm bumping the version
+- i'm rewriting large parts of the mod and creating a saner API, i'm bumping the version
-- create a default-on "legacy" mode to allow new servers to not commit to creating so many useless shapes by default
+- \[moreblocks] more API for creating node variants, e.g. trap nodes, all_faces, shapes
+- \[stairsplus] create a default-on "legacy" mode to allow new servers to not commit to creating so many useless nodes and shapes by default
 
 ### Fixed
 
 - [stairsplus:register_custom_subset computes the wrong "cost" for elements](https://github.com/minetest-mods/moreblocks/issues/190)
-- \* [Material disappears from Recycle output slot](https://github.com/minetest-mods/moreblocks/issues/189)
+- [Material disappears from Recycle output slot](https://github.com/minetest-mods/moreblocks/issues/189)
-- \* [Would it be possible to port to mineclone?](https://github.com/minetest-mods/moreblocks/issues/188) - no plan to
+- [Would it be possible to port to mineclone?](https://github.com/minetest-mods/moreblocks/issues/188) - no plan to
-  actually make moreblocks mineclone-aware, but will lay the groundwork to make this very easy.
+  actually make moreblocks mineclone-aware, but laid the groundwork to make this very easy.
 - [Minor issue causing warnings in MT 5.5.0 with texture alpha clipping](https://github.com/minetest-mods/moreblocks/issues/187)
 - maybe: [world aligned textures](https://github.com/minetest-mods/moreblocks/issues/179)
-- maybe: [Make microblocks work for nodes with layered textures](Make microblocks work for nodes with layered textures)
+- maybe: [Make microblocks work for nodes with layered textures](https://github.com/minetest-mods/moreblocks/issues/178)
-- \* [Make variants of nodes that can burn also burnable](https://github.com/minetest-mods/moreblocks/issues/177)
+- [Make variants of nodes that can burn also burnable](https://github.com/minetest-mods/moreblocks/issues/177)
-- [Add screenshot in README.md #151](https://github.com/minetest-mods/moreblocks/issues/151)
+- \* [Add screenshot in README.md](https://github.com/minetest-mods/moreblocks/issues/151)
+- \* [Slab back to full block](https://github.com/minetest-mods/moreblocks/issues/112)
+- [Conserve left-over microblocks](https://github.com/minetest-mods/moreblocks/pull/108)
 - maybe some of the other bugs/PRS, but they mostly either seem to be fixed or unfixable
 
 \* not yet fixed, but planned

README.md

@@ -9,8 +9,7 @@ world block sandbox game.
 
 ### Download the mod
 
-To install More Blocks, clone this Git repository into your Minetest's `mods/`
+To install More Blocks, clone this Git repository into your Minetest's `mods/` directory:
-directory:
 
 ```bash
 git clone https://github.com/minetest-mods/moreblocks.git
@@ -20,6 +19,8 @@ You can also
 [download a ZIP archive](https://github.com/minetest-mods/moreblocks/archive/master.zip)
 of More Blocks.
 
+It is also available through the in-game `Content` tab.
+
 ### Enable the mod
 
 Once you have installed More Blocks, you need to enable it in Minetest.
@@ -58,19 +59,18 @@ on that line.
 
 ## Version compatibility
 
-More Blocks is currently primarily tested with Minetest 5.3.0.
+More Blocks is currently primarily tested with Minetest 5.5.0.
 It may or may not work with newer or older versions. Issues arising in older
 versions than 5.0.0 will generally not be fixed.
 
 ## License
 
-Copyright © 2011-2020 Hugo Locurcio and contributors
+Copyright © 2011-2022 Hugo Locurcio and contributors
 
 - More Blocks code is licensed under the zlib license, see
   [`LICENSE.md`](LICENSE.md) for details.
 - This is an altered version of the code which is not distributed by Hugo Locurcio.
 - Unless otherwise specified, More Blocks textures are licensed under
   [CC BY-SA 3.0 Unported](https://creativecommons.org/licenses/by-sa/3.0/).
-
+- `moreblocks_copperpatina.png` was created by pithydon, and is licensed under
-`moreblocks_copperpatina.png` was created by pithydon, and is licensed under
   [CC0 1.0 Universal](https://creativecommons.org/publicdomain/zero/1.0/).

TODO.md

@@ -0,0 +1,23 @@
+please don't accept a PR with this file, this is meant to be a checklist of things that i think need to be done before
+\[wip] status can be removed
+
+### ag TODO
+
+```
+stairsplus/craft_schemas.lua
+3:-- TODO: add more of these, e.g. crafting/combining micro/panel/slabs, convert any single node to micro_8, etc.
+
+stairsplus/api/station.lua
+13:TODO this isn't actually modular in the right way for adding different kinds of stations
+14:TODO e.g. some of this stuff is very particular to the saw itself
+
+stairsplus/API.md
+3:TODO: write new API docs
+```
+
+### other things
+
+* finish legacy support
+* finish compatability support
+* create a way to analyze and reduce node_count
+* ? create a way for players to request nodes or groups?

moreblocks/aliases.lua

@@ -76,6 +76,10 @@ if moreblocks.has.stairsplus and cm.jungle_wood then
 	stairsplus.api.register_alias_all("moreblocks:jungle_wood", cm.jungle_wood)
 end
 
+if moreblocks.has.stairsplus then
+	stairsplus.api.register_alias_all("moreblocks:split_stone_tile_alt", "moreblocks:checker_stone_tile")
+end
+
 minetest.register_lbm({
 	name = "moreblocks:reduce_wood_tile_redundancy",
 	nodenames = {

moreblocks/init.lua

@@ -39,7 +39,6 @@ moreblocks = {
 	end,
 }
 
-moreblocks.dofile("settings")
 moreblocks.dofile("util")
 moreblocks.dofile("resources", "init")
 moreblocks.dofile("api", "init")

moreblocks/settings.lua

@@ -1,9 +0,0 @@
---[[
-More Blocks: configuration handling
-
-Copyright © 2011-2020 Hugo Locurcio and contributors.
-Licensed under the zlib license. See LICENSE.md for more information.
---]]
-
-moreblocks.settings = {
-}

stairsplus/API.md

@@ -1,5 +1,8 @@
 # API documentation for Stairs+
 
+TODO: write new API docs
+
+
 # legacy API
 
 * `stairsplus:register_all(modname, subname, recipeitem, fields)`

stairsplus/api/alias.lua

@@ -15,6 +15,24 @@ function api.register_alias_all(old_node, new_node)
 	end
 end
 
+function api.register_alias_custom(old_node, new_node, list)
+	for _, shape in ipairs(list) do
+		api.register_alias_single(old_node, new_node, shape)
+	end
+end
+
+function api.register_alias_group(old_node, new_node, group)
+	for _, shape in ipairs(api.shapes_by_group[group] or {}) do
+		api.register_alias_single(old_node, new_node, shape)
+	end
+end
+
+function api.register_alias_groups(old_node, new_node, groups)
+	for _, group in ipairs(groups) do
+		api.register_alias_group(old_node, new_node, group)
+	end
+end
+
 function api.register_alias_force_single(old_node, new_node, shape)
 	local old_shaped_node = api.format_name(old_node, shape)
 	local new_shaped_node = api.format_name(new_node, shape)
@@ -48,3 +66,21 @@ function api.register_alias_force_all(old_node, new_node)
 		api.register_alias_force_single(old_node, new_node, shape)
 	end
 end
+
+function api.register_alias_force_custom(old_node, new_node, list)
+	for _, shape in ipairs(list) do
+		api.register_alias_force_single(old_node, new_node, shape)
+	end
+end
+
+function api.register_alias_force_group(old_node, new_node, group)
+	for _, shape in ipairs(api.shapes_by_group[group] or {}) do
+		api.register_alias_force_single(old_node, new_node, shape)
+	end
+end
+
+function api.register_alias_force_groups(old_node, new_node, groups)
+	for _, group in ipairs(groups) do
+		api.register_alias_force_group(old_node, new_node, group)
+	end
+end

stairsplus/api/groups.lua

@@ -0,0 +1,35 @@
+local api = stairsplus.api
+
+api.passthrough_groups = {}
+api.scale_groups = {}
+api.ignore_groups = {}
+
+function api.register_passthrough_group(group)
+	api.passthrough_groups[group] = true
+end
+
+function api.register_passthrough_groups(groups)
+	for _, group in ipairs(groups) do
+		api.register_passthrough_group(group)
+	end
+end
+
+function api.register_scale_group(group)
+	api.scale_groups[group] = true
+end
+
+function api.register_scale_groups(groups)
+	for _, group in ipairs(groups) do
+		api.register_scale_group(group)
+	end
+end
+
+function api.register_ignore_group(group)
+	api.ignore_groups[group] = true
+end
+
+function api.register_ignore_groups(groups)
+	for _, group in ipairs(groups) do
+		api.register_ignore_group(group)
+	end
+end

stairsplus/api/init.lua

@@ -1,7 +1,8 @@
 stairsplus.api = {}
 
 stairsplus.dofile("api", "shape")
+stairsplus.dofile("api", "groups")
 stairsplus.dofile("api", "node")
-stairsplus.dofile("api", "station")
 stairsplus.dofile("api", "alias")
 stairsplus.dofile("api", "recipe")
+stairsplus.dofile("api", "station")

stairsplus/api/node.lua

@@ -10,7 +10,9 @@ local table_sort_keys = stairsplus.util.table_sort_keys
 local S = stairsplus.S
 
 local legacy_mode = stairsplus.settings.legacy_mode
+local legacy_place_mechanic = stairsplus.settings.legacy_place_mechanic
 local in_creative_inventory = stairsplus.settings.in_creative_inventory
+local default_align_style = stairsplus.settings.default_align_style
 
 api.nodes_by_shape = {}
 api.shapes_by_node = {}
@@ -25,57 +27,175 @@ local function scale_light(light_source, shape_def)
 	return math.max(1, math.min(math.round(light_source * shape_def.eighths / 4), light_source))
 end
 
+local function check_node_validity(node_def, meta)
+	local type_ = node_def.type
+	if not meta.ignore_type and type_ ~= "node" then
+		error(("cannot register non-node %q w/ stairsplus"):format(node_def.name))
+	end
+
+	local drawtype = node_def.drawtype
+	if not meta.ignore_drawtype and (
+		drawtype == "airlike" or
+		drawtype == "liquid" or
+		drawtype == "flowingliquid" or
+		drawtype == "torchlike" or
+		drawtype == "signlike" or
+		drawtype == "plantlike" or
+		drawtype == "firelike" or
+		drawtype == "fencelike" or
+		drawtype == "raillike" or
+		drawtype == "nodebox" or
+		drawtype == "mesh" or
+		drawtype == "plantlike_rooted"
+	) then
+		error(("cannot register %q w/ drawtype %q w/ stairsplus"):format(node_def.name, drawtype))
+	end
+
+	local paramtype2 = node_def.paramtype2
+	if not meta.ignore_paramtype2 and (
+		paramtype2 == "flowingliquid" or
+		paramtype2 == "wallmounted" or
+		paramtype2 == "leveled" or
+		paramtype2 == "degrotate" or
+		paramtype2 == "meshoptions" or
+		paramtype2 == "color" or
+		paramtype2 == "colorfacedir" or
+		paramtype2 == "colorwallmounted" or
+		paramtype2 == "glasslikeliquidlevel" or
+		paramtype2 == "colordegrotate"
+	) then
+		error(("cannot register %q w/ paramtype2 %q w/ stairsplus"):format(node_def.name, paramtype2))
+	end
+end
+
+local function build_groups(shape, node_groups)
+	local groups = {
+		[("shape_%s"):format(shape)] = 1,
+		not_in_creative_inventory = in_creative_inventory and 1 or 0,
+	}
+
+	local shape_def = api.registered_shapes[shape]
+
+	for group, value in pairs(node_groups) do
+		if api.passthrough_groups[group] then
+			groups[group] = value
+
+		elseif api.scale_groups[group] then
+			groups[group] = (shape_def.eighths / 8) * value
+
+		elseif not api.ignore_groups[group] then
+			groups[shape_def.name_format:format(group)] = value
+		end
+	end
+
+	return groups
+end
+
+local wall_right_dirmap = {9, 18, 7, 12}
+local wall_left_dirmap = {11, 16, 5, 14}
+local ceil_dirmap = {20, 23, 22, 21}
+
+function api.legacy_on_place(itemstack, placer, pointed_thing)
+	if not minetest.is_player(placer) then
+		return minetest.item_place(itemstack, placer, pointed_thing)
+	end
+
+	local controls = placer:get_player_control()
+
+	local sneak = controls.sneak
+	local aux = controls.aux1
+
+	local shaped_node_name = itemstack:get_name()
+	local shape = api.get_shape_of_shaped_node(shaped_node_name)
+
+	local under = pointed_thing.under
+	local under_node = minetest.get_node(under)
+	local under_shape = api.get_shape_of_shaped_node(under_node.name)
+
+	local same_cat = shape == under_shape
+
+	-- standard (floor) facedir, also used for sneak placement against the lower half of the wall
+	local p2 = placer and minetest.dir_to_facedir(placer:get_look_dir()) or 0
+
+	-- check which face and which quadrant we are interested in
+	-- this is used both to check if we're handling parallel placement in the same-category case,
+	-- and in general for sneak placement
+	local face_pos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
+	local face_off = vector.subtract(face_pos, under)
+
+	-- we cannot trust face_off to tell us the correct directionif the
+	-- under node has a non-standard shape, so use the distance between under and above
+	local wallmounted = minetest.dir_to_wallmounted(vector.subtract(pointed_thing.above, under))
+
+	if same_cat and not aux then
+		p2 = under_node.param2
+		-- flip if placing above or below an upright or upside-down node
+		-- TODO should we also flip when placing next to a side-mounted node?
+		if wallmounted < 2 then
+			if p2 < 4 then
+				p2 = (p2 + 2) % 4
+				p2 = ceil_dirmap[p2 + 1]
+			elseif p2 > 19 then
+				p2 = ceil_dirmap[p2 - 19] - 20
+				p2 = (p2 + 2) % 4
+			end
+		end
+	else
+		-- for same-cat placement, aux is used to disable param2 copying
+		if same_cat then
+			aux = not aux
+		end
+
+		local remap = nil
+
+		-- standard placement against the wall
+		local use_wallmap = (wallmounted > 1 and not sneak) or (wallmounted < 2 and sneak)
+
+		-- standard placement against the ceiling, or sneak placement against the upper half of the wall
+		local use_ceilmap = wallmounted == 1 and not sneak
+		use_ceilmap = use_ceilmap or (wallmounted > 1 and sneak and face_off.y > 0)
+
+		if use_wallmap then
+			local left = (p2 == 0 and face_off.x < 0) or
+				(p2 == 1 and face_off.z > 0) or
+				(p2 == 2 and face_off.x > 0) or
+				(p2 == 3 and face_off.z < 0)
+			if aux then
+				left = not left
+			end
+			remap = left and wall_left_dirmap or wall_right_dirmap
+		elseif use_ceilmap then
+			remap = ceil_dirmap
+		end
+
+		if aux then
+			p2 = (p2 + 2) % 4
+		end
+
+		if remap then
+			p2 = remap[p2 + 1]
+		end
+	end
+
+	return minetest.item_place(itemstack, placer, pointed_thing, p2)
+end
+
 function api.format_name(node, shape)
 	local mod, name = node:match("^([^:]+):(.*)$")
 	local shape_def = api.registered_shapes[shape]
 	return ("%s:%s"):format(mod, shape_def.name_format:format(name))
 end
 
-local function check_node_validity(node_def)
+function api.register_single(node, shape, overrides, meta)
-	if node_def.type ~= "node" then
+	stairsplus.log("info", "registering %s %s", shape, node)
-		error(("cannot register non-node %q w/ stairsplus"):format(node_def.name))
+	meta = meta or {}
-	end
+	overrides = overrides or {}
-
-	if (
-		node_def.drawtype == "airlike" or
-			node_def.drawtype == "liquid" or
-			node_def.drawtype == "flowingliquid" or
-			node_def.drawtype == "torchlike" or
-			node_def.drawtype == "signlike" or
-			node_def.drawtype == "plantlike" or
-			node_def.drawtype == "firelike" or
-			node_def.drawtype == "fencelike" or
-			node_def.drawtype == "raillike" or
-			node_def.drawtype == "nodebox" or
-			node_def.drawtype == "mesh" or
-			node_def.drawtype == "plantlike_rooted"
-	) then
-		error(("cannot register %q w/ drawtype %q w/ stairsplus"):format(node_def.name, node_def.drawtype))
-	end
-
-	if (
-		node_def.paramtype2 == "flowingliquid" or
-			node_def.paramtype2 == "wallmounted" or
-			node_def.paramtype2 == "leveled" or
-			node_def.paramtype2 == "degrotate" or
-			node_def.paramtype2 == "meshoptions" or
-			node_def.paramtype2 == "color" or
-			node_def.paramtype2 == "colorfacedir" or
-			node_def.paramtype2 == "colorwallmounted" or
-			node_def.paramtype2 == "glasslikeliquidlevel" or
-			node_def.paramtype2 == "colordegrotate"
-	) then
-		error(("cannot register %q w/ paramtype2 %q w/ stairsplus"):format(node_def.name, node_def.paramtype2))
-	end
-end
-
-function api.register_single(node, shape, overrides)
 	local node_def = table.copy(minetest.registered_nodes[node])
-	check_node_validity(node_def)
+	check_node_validity(node_def, meta)
 
 	if shape ~= "micro_8" and not (api.nodes_by_shape.micro_8 or {})[node] then
 		-- always make sure a microblock exists
-		api.register_single(node, "micro_8", overrides)
+		api.register_single(node, "micro_8", overrides, meta)
 	end
 
 	if (api.nodes_by_shape[shape] or {})[node] then
@@ -84,15 +204,7 @@ function api.register_single(node, shape, overrides)
 
 	local shape_def = api.registered_shapes[shape]
 
-	local groups = {
+	-- shaped_node definition
-		[shape] = 1,
-		not_in_creative_inventory = in_creative_inventory and 1 or 0,
-	}
-
-	for group, value in pairs(node_def.groups) do
-		groups[shape_def.name_format:format(group)] = value
-	end
-
 	local def = {
 		description = S(shape_def.description, node_def.description or node),
 
@@ -105,6 +217,8 @@ function api.register_single(node, shape, overrides)
 		paramtype2 = shape_def.paramtype2 or "facedir",
 
 		light_source = scale_light(node_def.light_source, shape_def),
+		groups = build_groups(shape, node_def.groups),
+
 		tiles = node_def.tiles,
 		overlay_tiles = node_def.overlay_tiles,
 		use_texture_alpha = node_def.use_texture_alpha,
@@ -117,9 +231,9 @@ function api.register_single(node, shape, overrides)
 		diggable = node_def.diggable,
 		climbable = node_def.climbable,
 		move_resistance = node_def.move_resistance,
-		groups = groups,
 	}
 
+	-- see-through nodes tend to look better if we just use the first tile
 	if (node_def.drawtype or ""):match("glass") then
 		if #def.tiles > 1 then
 			def.tiles = {def.tiles[1]}
@@ -134,6 +248,7 @@ function api.register_single(node, shape, overrides)
 		def.short_description = S(shape_def.description, node_def.short_description)
 	end
 
+	-- if there's a drop defined, and we can drop a shaped version, do so
 	if node_def.drop then
 		local item = api.get_shaped_node(node_def.drop, shape)
 		if item then
@@ -141,11 +256,48 @@ function api.register_single(node, shape, overrides)
 		end
 	end
 
-	table_set_all(def, overrides or {})
+	if legacy_place_mechanic then
+		def.on_place = api.legacy_on_place
+	end
 
+	table_set_all(def, overrides)
+
+	-- set backface_culling and align_style
+	local align_style = meta.align_style or default_align_style
+	for i, tile in ipairs(def.tiles) do
+		if type(tile) == "string" then
+			def.tiles[i] = {
+				name = tile,
+				backface_culling = true,
+				align_style = align_style,
+			}
+		elseif not (tile.animation or tile.color) then
+			tile.backface_culling = true
+			tile.align_style = align_style
+		end
+	end
+
+	if def.overlay_tiles then
+		for i, tile in ipairs(def.overlay_tiles) do
+			if type(tile) == "string" then
+				def.tiles[i] = {
+					name = tile,
+					backface_culling = true,
+					align_style = align_style,
+				}
+			elseif not (tile.animation or tile.color) then
+				tile.backface_culling = true
+				tile.align_style = align_style
+			end
+			def.overlay_tiles[i] = tile
+		end
+	end
+
+	-- register node
 	local shaped_name = api.format_name(node, shape)
 	minetest.register_node(":" .. shaped_name, def)
 
+	-- alias old name formats
 	if shape_def.aliases then
 		local mod, name = node:match("^([^:]+):(.*)$")
 		for _, alias in ipairs(shape_def.aliases) do
@@ -163,29 +315,31 @@ function api.register_single(node, shape, overrides)
 	local shapes = api.shapes_by_node[node] or {}
 	shapes[shape] = true
 	api.shapes_by_node[node] = shapes
+
+	return shaped_name
 end
 
-function api.register_all(node, overrides)
+function api.register_all(node, overrides, meta)
 	for shape in pairs(api.registered_shapes) do
-		api.register_single(node, shape, overrides)
+		api.register_single(node, shape, overrides, meta)
 	end
 end
 
-function api.register_custom(node, list, overrides)
+function api.register_custom(node, list, overrides, meta)
 	for _, shape in ipairs(list) do
-		api.register_single(node, shape, overrides)
+		api.register_single(node, shape, overrides, meta)
 	end
 end
 
-function api.register_group(node, group, overrides)
+function api.register_group(node, group, overrides, meta)
 	for _, shape in ipairs(api.shapes_by_group[group] or {}) do
-		api.register_single(node, shape, overrides)
+		api.register_single(node, shape, overrides, meta)
 	end
 end
 
-function api.register_groups(node, groups, overrides)
+function api.register_groups(node, groups, overrides, meta)
 	for _, group in ipairs(groups) do
-		api.register_group(node, group, overrides)
+		api.register_group(node, group, overrides, meta)
 	end
 end
 
@@ -193,21 +347,35 @@ function api.get_shapes(node)
 	return table_sort_keys(api.shapes_by_node[node])
 end
 
+-- warning: don't mutate the return value
 function api.get_shapes_hash(node)
 	return api.shapes_by_node[node]
 end
 
 function api.get_shaped_node(node, shape_or_item)
-	local t = ItemStack(shape_or_item):to_table()
+	local name, count = shape_or_item:match("^([^ ]+) (%d+)")
-
+	if not name then
-	if api.registered_shapes[t.name] then
+		name = shape_or_item
-		t.name = api.format_name(node, t.name)
-
-	elseif t.name == "node" then
-		t.name = node
 	end
 
-	return ItemStack(t):to_string()
+	if name == "" then
+		return ""
+	end
+
+	count = tonumber(count)
+
+	if api.registered_shapes[name] then
+		name = api.format_name(node, name)
+
+	elseif name == "node" then
+		name = node
+	end
+
+	if count then
+		return ("%s %s"):format(name, count)
+	else
+		return name
+	end
 end
 
 function api.get_micronode(node)

stairsplus/api/recipe.lua

@@ -33,9 +33,15 @@ api.register_crafts_for_shapes({
 local api = stairsplus.api
 
 local function is_valid_item(item, shapes)
-	local item_name = ItemStack(item):get_name()
+	local item_name = item:match("^([^ ]*)")
 
-	return shapes[item_name] or item_name == "" or item_name:match(":")
+	return shapes[item_name] or item_name == "" or item_name == "node" or item_name:match(":")
+end
+
+local function is_valid_output(item, shapes)
+	local item_name = item:match("^([^ ]+)")
+
+	return shapes[item_name] or item_name == "node" or item_name:match(":")
 end
 
 local function verify_schema(schema)
@@ -45,14 +51,14 @@ local function verify_schema(schema)
 		table.insert(problems, ("unimplemented schema type %q"):format(schema.type))
 	end
 
-	if not is_valid_item(schema.output, api.registered_shapes) then
+	if not is_valid_output(schema.output, api.registered_shapes) then
 		table.insert(problems, ("don't know how to handle output %q"):format(schema.output))
 	end
 
 	if schema.replacements then
 		for _, replacement in ipairs(schema.replacements) do
 			for _, item in ipairs(replacement) do
-				if not is_valid_item(schema.output, api.registered_shapes) then
+				if not is_valid_item(item, api.registered_shapes) then
 					table.insert(problems, ("don't know how to handle replacement item %q"):format(item))
 				end
 			end
@@ -61,7 +67,7 @@ local function verify_schema(schema)
 
 	if schema.type == "shapeless" then
 		for _, item in ipairs(schema.recipe) do
-			if not is_valid_item(schema.output, api.registered_shapes) then
+			if not is_valid_item(item, api.registered_shapes) then
 				table.insert(problems, ("don't know how to handle craft item %q"):format(item))
 			end
 		end
@@ -69,7 +75,7 @@ local function verify_schema(schema)
 	else
 		for _, row in ipairs(schema.recipe) do
 			for _, item in ipairs(row) do
-				if not is_valid_item(schema.output, api.registered_shapes) then
+				if not is_valid_item(item, api.registered_shapes) then
 					table.insert(problems, ("don't know how to handle craft item %q"):format(item))
 				end
 			end
@@ -89,11 +95,13 @@ function api.register_craft_schema(schema)
 		error(problems)
 	end
 
+	stairsplus.log("info", "registering craft schema %s", minetest.write_json(schema))
+
 	table.insert(api.registered_recipe_schemas, schema)
 end
 
 local function has_the_right_shapes(schema, shapes)
-	if not is_valid_item(schema.output, shapes) then
+	if not is_valid_output(schema.output, shapes) then
 		return false
 	end
 
@@ -130,15 +138,19 @@ end
 local function register_for_schema(node, shapes, schema)
 	local recipe = table.copy(schema)
 
-	if shapes[recipe.output] then
+	if is_valid_output(recipe.output, shapes) then
 		recipe.output = api.get_shaped_node(node, recipe.output)
+	else
+		return
 	end
 
 	if recipe.replacements then
 		for _, replacement in ipairs(recipe.replacements) do
 			for i, item in ipairs(replacement) do
-				if shapes[item] then
+				if is_valid_item(item, shapes) then
 					replacement[i] = api.get_shaped_node(node, item)
+				else
+					return
 				end
 			end
 		end
@@ -146,21 +158,27 @@ local function register_for_schema(node, shapes, schema)
 
 	if recipe.type == "shapeless" then
 		for i, item in ipairs(recipe.recipe) do
-			if shapes[item] then
+			if is_valid_item(item, shapes) then
 				recipe.recipe[i] = api.get_shaped_node(node, item)
+			else
+				return
 			end
 		end
 
 	elseif recipe.type == "shaped" or recipe.type == nil then
 		for _, row in ipairs(schema.recipe) do
 			for i, item in ipairs(row) do
-				if shapes[item] then
+				if is_valid_item(item, shapes) then
 					row[i] = api.get_shaped_node(node, item)
+				else
+					return
 				end
 			end
 		end
 	end
 
+	stairsplus.log("info", "registering recipe %s", minetest.serialize(recipe):sub(#("return ")))
+
 	minetest.register_craft(recipe)
 end
 

stairsplus/api/shape.lua

@@ -18,6 +18,7 @@ api.registered_shapes = {}
 api.shapes_by_group = {}
 
 function api.register_shape(name, def)
+	stairsplus.log("info", "registering shape %q", name)
 	api.registered_shapes[name] = def
 
 	for group in pairs(def.shape_groups or {}) do

stairsplus/api/station.lua

@@ -9,6 +9,11 @@ local default_stack_max = tonumber(minetest.settings:get("default_stack_max")) o
 
 local station = {}
 
+--[[
+TODO this isn't actually modular in the right way for adding different kinds of stations
+TODO e.g. some of this stuff is very particular to the saw itself
+]]
+
 local function get_cost(shaped_node)
 	if shaped_node == "" then
 		return 0

stairsplus/compat/init.lua

@@ -1,3 +1,5 @@
+stairsplus.compat = {}
+
 stairsplus.dofile("compat", "stairs")
 stairsplus.dofile("compat", "legacy")
 

stairsplus/compat/legacy.lua

@@ -1,4 +1,4 @@
--- legacy: register all the expected variants for e.g. default, wool, gloopblocks, etc.
+-- legacy: export old API for mods which depend on it
 -- provide a configuration option to *disable* legacy. it must be enabled by default, to prevent breaking
 -- existing servers
 local api = stairsplus.api

stairsplus/compat/port_to_legacy.lua

@@ -1,163 +0,0 @@
---[[
-More Blocks: registrations
-
-Copyright © 2011-2020 Hugo Locurcio and contributors.
-Licensed under the zlib license. See LICENSE.md for more information.
---]]
-local S = stairsplus.S
--- default registrations
-if minetest.get_modpath("default") then
-	local default_nodes = { -- Default stairs/slabs/panels/microblocks:
-		"stone",
-		"stone_block",
-		"cobble",
-		"mossycobble",
-		"brick",
-		"sandstone",
-		"steelblock",
-		"goldblock",
-		"copperblock",
-		"bronzeblock",
-		"diamondblock",
-		"tinblock",
-		"desert_stone",
-		"desert_stone_block",
-		"desert_cobble",
-		"meselamp",
-		"glass",
-		"tree",
-		"wood",
-		"jungletree",
-		"junglewood",
-		"pine_tree",
-		"pine_wood",
-		"acacia_tree",
-		"acacia_wood",
-		"aspen_tree",
-		"aspen_wood",
-		"obsidian",
-		"obsidian_block",
-		"obsidianbrick",
-		"obsidian_glass",
-		"stonebrick",
-		"desert_stonebrick",
-		"sandstonebrick",
-		"silver_sandstone",
-		"silver_sandstone_brick",
-		"silver_sandstone_block",
-		"desert_sandstone",
-		"desert_sandstone_brick",
-		"desert_sandstone_block",
-		"sandstone_block",
-		"coral_skeleton",
-		"ice",
-	}
-
-	for _, name in pairs(default_nodes) do
-		local mod = "default"
-		local nodename = mod .. ":" .. name
-		local ndef = table.copy(minetest.registered_nodes[nodename])
-		ndef.sunlight_propagates = true
-
-		-- Stone and desert_stone drop cobble and desert_cobble respectively.
-		if type(ndef.drop) == "string" then
-			ndef.drop = ndef.drop:gsub(".+:", "")
-		end
-
-		-- Use the primary tile for all sides of cut glasslike nodes and disregard paramtype2.
-		if #ndef.tiles > 1 and ndef.drawtype and ndef.drawtype:find("glass") then
-			ndef.tiles = {ndef.tiles[1]}
-			ndef.paramtype2 = nil
-		end
-
-		mod = "moreblocks"
-		stairsplus:register_all(mod, name, nodename, ndef)
-		minetest.register_alias_force("stairs:stair_" .. name, mod .. ":stair_" .. name)
-		minetest.register_alias_force("stairs:stair_outer_" .. name, mod .. ":stair_" .. name .. "_outer")
-		minetest.register_alias_force("stairs:stair_inner_" .. name, mod .. ":stair_" .. name .. "_inner")
-		minetest.register_alias_force("stairs:slab_" .. name, mod .. ":slab_" .. name)
-	end
-end
-
--- farming registrations
-if minetest.get_modpath("farming") then
-	local farming_nodes = {"straw"}
-	for _, name in pairs(farming_nodes) do
-		local mod = "farming"
-		local nodename = mod .. ":" .. name
-		local ndef = table.copy(minetest.registered_nodes[nodename])
-		ndef.sunlight_propagates = true
-
-		mod = "moreblocks"
-		stairsplus:register_all(mod, name, nodename, ndef)
-		minetest.register_alias_force("stairs:stair_" .. name, mod .. ":stair_" .. name)
-		minetest.register_alias_force("stairs:stair_outer_" .. name, mod .. ":stair_" .. name .. "_outer")
-		minetest.register_alias_force("stairs:stair_inner_" .. name, mod .. ":stair_" .. name .. "_inner")
-		minetest.register_alias_force("stairs:slab_" .. name, mod .. ":slab_" .. name)
-	end
-end
-
--- wool registrations
-if minetest.get_modpath("wool") then
-	local dyes = {"white", "grey", "black", "red", "yellow", "green", "cyan",
-	              "blue", "magenta", "orange", "violet", "brown", "pink",
-	              "dark_grey", "dark_green"}
-	for _, name in pairs(dyes) do
-		local mod = "wool"
-		local nodename = mod .. ":" .. name
-		local ndef = table.copy(minetest.registered_nodes[nodename])
-		ndef.sunlight_propagates = true
-
-		stairsplus:register_all(mod, name, nodename, ndef)
-	end
-end
-
--- basic_materials, keeping the original other-mod-oriented names
--- for backwards compatibility
-
-if minetest.get_modpath("basic_materials") then
-	stairsplus:register_all("technic", "concrete", "basic_materials:concrete_block", {
-		description = S("Concrete"),
-		tiles = {"basic_materials_concrete_block.png", },
-		groups = {cracky = 1, level = 2, concrete = 1},
-		sounds = stairsplus.node_sound_stone_defaults(),
-	})
-
-	minetest.register_alias("prefab:concrete_stair", "technic:stair_concrete")
-	minetest.register_alias("prefab:concrete_slab", "technic:slab_concrete")
-
-	stairsplus:register_all("gloopblocks", "cement", "basic_materials:cement_block", {
-		description = S("Cement"),
-		tiles = {"basic_materials_cement_block.png"},
-		groups = {cracky = 2, not_in_creative_inventory = 1},
-		sounds = stairsplus.node_sound_stone_defaults(),
-		sunlight_propagates = true,
-	})
-
-	stairsplus:register_all("technic", "brass_block", "basic_materials:brass_block", {
-		description = S("Brass Block"),
-		groups = {cracky = 1, not_in_creative_inventory = 1},
-		tiles = {"basic_materials_brass_block.png"},
-	})
-
-end
-
--- Alias cuts of split_stone_tile_alt which was renamed checker_stone_tile.
-stairsplus:register_alias_all("moreblocks", "split_stone_tile_alt", "moreblocks", "checker_stone_tile")
-
--- The following LBM is necessary because the name stair_split_stone_tile_alt
--- conflicts with another node and so the alias for that specific node gets
--- ignored.
-minetest.register_lbm({
-	name = "moreblocks:fix_split_stone_tile_alt_name_collision",
-	nodenames = {"moreblocks:stair_split_stone_tile_alt"},
-	action = function(pos, node)
-		minetest.set_node(pos, {
-			name = "moreblocks:stair_checker_stone_tile",
-			param2 = minetest.get_node(pos).param2
-
-		})
-		minetest.log('action', "LBM replaced " .. node.name ..
-			" at " .. minetest.pos_to_string(pos))
-	end,
-})

stairsplus/compat/stairs.lua

@@ -1 +1,63 @@
+if not stairsplus.has.stairs then
+	return
+end
+
+local api = stairsplus.api
+
+local S = stairsplus.S
+
+local default_align_style = stairsplus.settings.default_align_style
+
 -- stairs compat: override what stairs does, and "fix" any stairs which were already registered...
+
+function stairs.register_stair(subname, node, groups, tiles, description, sounds, worldaligntex)
+	api.register_single(node, "stair", {
+		groups = groups,
+		tiles = tiles,
+		description = description,
+		sounds = sounds,
+	}, {
+		align_style = worldaligntex and "world" or default_align_style
+	})
+
+	minetest.register_alias(("stairs:stair_%s"):format(subname), api.format_name(node, "stair"))
+end
+
+function stairs.register_slab(subname, node, groups, images, description, sounds, worldaligntex)
+	api.register_single(node, "slab_8", {
+		groups = groups,
+		tiles = images,
+		description = description,
+		sounds = sounds,
+	}, {
+		align_style = worldaligntex and "world" or default_align_style
+	})
+
+	minetest.register_alias(("stairs:slab_%s"):format(subname), api.format_name(node, "slab_8"))
+end
+
+function stairs.register_stair_inner(subname, node, groups, tiles, description, sounds, worldaligntex, full_description)
+	api.register_single(node, "stair_inner", {
+		groups = groups,
+		tiles = tiles,
+		description = full_description or S("Inner @1", description),
+		sounds = sounds,
+	}, {
+		align_style = worldaligntex and "world" or default_align_style
+	})
+
+	minetest.register_alias(("stairs:stair_inner_%s"):format(subname), api.format_name(node, "stair_inner"))
+end
+
+function stairs.register_stair_outer(subname, node, groups, tiles, description, sounds, worldaligntex, full_description)
+	api.register_single(node, "stair_outer", {
+		groups = groups,
+		tiles = tiles,
+		description = full_description or S("Inner @1", description),
+		sounds = sounds,
+	}, {
+		align_style = worldaligntex and "world" or default_align_style
+	})
+
+	minetest.register_alias(("stairs:stair_outer_%s"):format(subname), api.format_name(node, "stair_outer"))
+end

stairsplus/craft_schemas.lua

@@ -1,425 +0,0 @@
-local register_craft_schema = stairsplus.api.register_craft_schema
-
--- micros
-
----- micro_8
-
-register_craft_schema({
-	type = "shapeless",
-	output = "micro_8 7",
-	recipe = {"stair_inner"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "micro_8 6",
-	recipe = {"stair"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "micro_8 5",
-	recipe = {"stair_outer"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "micro_8 4",
-	recipe = {"slab_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "micro_8 4",
-	recipe = {"stair_alt_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "micro_8 3",
-	recipe = {"stair_right_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "micro_8 2",
-	recipe = {"panel_8"},
-})
-
--- panels
-
----- panel_8
-
-register_craft_schema({
-	output = "panel_8 12",
-	recipe = {
-		{"node", ""},
-		{"node", "node"},
-	},
-})
-
-register_craft_schema({
-	output = "panel_8 12",
-	recipe = {
-		{"", "node"},
-		{"node", "node"},
-	},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "panel_8",
-	recipe = {"micro_8", "micro_8"},
-})
-
--- slabs
-
-register_craft_schema({
-	output = "slab_8 6",
-	recipe = {{"node", "node", "node"}},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8",
-	recipe = {"micro_8", "micro_8", "micro_8", "micro_8"},
-})
-
-register_craft_schema({
-	output = "slab_8",
-	recipe = {{"panel_8", "panel_8"}},
-})
-
-register_craft_schema({
-	output = "slab_8",
-	recipe = {
-		{"panel_8"},
-		{"panel_8"},
-	},
-})
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8 3",
-	recipe = {"stair", "stair"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8",
-	recipe = {"slab_4", "slab_4"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8",
-	recipe = {"slab_2", "slab_2", "slab_2", "slab_2"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8 2",
-	recipe = {"slab_1", "slab_1", "slab_1", "slab_1", "slab_1", "slab_1", "slab_1", "slab_1"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8",
-	recipe = {"slope_half", "slope_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8",
-	recipe = {"slope_outer_half", "slope_inner_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_8",
-	recipe = {"slope_outer_cut_half", "slope_inner_cut_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_4",
-	recipe = {"slab_2", "slab_2"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_4 2",
-	recipe = {"slab_1", "slab_1", "slab_1", "slab_1"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_12",
-	recipe = {"slab_8", "slab_4"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_12",
-	recipe = {"slab_4", "slab_4", "slab_4"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_12",
-	recipe = {"slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_2 2",
-	recipe = {"slab_1", "slab_1"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_14",
-	recipe = {"slab_12", "slab_2"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_14",
-	recipe = {"slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slab_15",
-	recipe = {"slab_14", "slab_1"},
-})
-
--- slopes
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slope_half_raised",
-	recipe = {"slope_half", "slope_half", "slope_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slope_half_raised",
-	recipe = {"slab_8", "slope_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slope_inner_half_raised",
-	recipe = {"slab_8", "slope_inner_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slope_outer_half_raised",
-	recipe = {"slab_8", "slope_outer_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "slope_inner_cut_half_raised",
-	recipe = {"slab_8", "slope_inner_cut_half"},
-})
-
--- stairs
-
-register_craft_schema({
-	output = "stair 8",
-	recipe = {
-		{"node", "", ""},
-		{"node", "node", ""},
-		{"node", "node", "node"},
-	},
-})
-
-register_craft_schema({
-	output = "stair 8",
-	recipe = {
-		{"", "", "node"},
-		{"", "node", "node"},
-		{"node", "node", "node"},
-	},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair",
-	recipe = {"panel_8", "slab_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair",
-	recipe = {"panel_8", "panel_8", "panel_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair",
-	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair",
-	recipe = {"panel_8", "panel_8", "panel_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair_inner",
-	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair_outer",
-	recipe = {"micro_8", "slab_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair_outer",
-	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair_half",
-	recipe = {"micro_8", "micro_8", "micro_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair_half",
-	recipe = {"panel_8", "micro_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "stair_right_half",
-	recipe = {"stair_half"},
-})
-
-register_craft_schema({ -- See mirrored variation of the recipe below.
-	output = "stair_alt_8",
-	recipe = {
-		{"panel_8", ""},
-		{"", "panel_8"},
-	},
-})
-
-register_craft_schema({ -- Mirrored variation of the recipe above.
-	output = "stair_alt_8",
-	recipe = {
-		{"", "panel_8"},
-		{"panel_8", ""},
-	},
-})
-
--- node
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"panel_8", "panel_8", "panel_8", "panel_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slab_8", "slab_8"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slab_4", "slab_4", "slab_4", "slab_4"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slab_12", "slab_4"},
-})
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slab_14", "slab_2"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slab_15", "slab_1"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope", "slope"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_half", "slope_half_raised"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_half", "slope_half", "slope_half", "slope_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_outer", "slope_inner"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_outer_half", "slope_inner_half_raised"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_outer_half_raised", "slope_inner_half"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_outer_cut", "slope_inner_cut"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_outer_cut_half", "slope_inner_cut_half_raised"},
-})
-
-register_craft_schema({
-	type = "shapeless",
-	output = "node",
-	recipe = {"slope_cut", "slope_cut"},
-})

stairsplus/craft_schemas/init.lua

@@ -0,0 +1,6 @@
+
+stairsplus.dofile("craft_schemas", "micro_8_all")
+stairsplus.dofile("craft_schemas", "other")
+stairsplus.dofile("craft_schemas", "slopes")
+stairsplus.dofile("craft_schemas", "stairs")
+stairsplus.dofile("craft_schemas", "standard_composition")

stairsplus/craft_schemas/micro_8_all.lua

@@ -0,0 +1,12 @@
+local api = stairsplus.api
+local register_craft_schema = api.register_craft_schema
+
+for shape, shape_def in pairs(api.registered_shapes) do
+	if shape ~= "micro_8" then
+		register_craft_schema({
+			type = "shapeless",
+			output = ("micro_8 %i"):format(shape_def.eighths),
+			recipe = {shape},
+		})
+	end
+end

stairsplus/craft_schemas/other.lua

@@ -0,0 +1,86 @@
+local api = stairsplus.api
+local register_craft_schema = api.register_craft_schema
+
+
+---- panel_8
+
+register_craft_schema({
+	output = "panel_8 12",
+	recipe = {
+		{"node", ""},
+		{"node", "node"},
+	},
+})
+
+register_craft_schema({
+	output = "panel_8 12",
+	recipe = {
+		{"", "node"},
+		{"node", "node"},
+	},
+})
+
+-- slabs
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_8",
+	recipe = {"micro_8", "micro_8", "micro_8", "micro_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_8",
+	recipe = {"slab_2", "slab_2", "slab_2", "slab_2"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_8 2",
+	recipe = {"slab_1", "slab_1", "slab_1", "slab_1", "slab_1", "slab_1", "slab_1", "slab_1"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_4 2",
+	recipe = {"slab_1", "slab_1", "slab_1", "slab_1"},
+})
+
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_12",
+	recipe = {"slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_14",
+	recipe = {"slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2"},
+})
+
+-- node
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"panel_8", "panel_8", "panel_8", "panel_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slab_4", "slab_4", "slab_4", "slab_4"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2", "slab_2"},
+})

stairsplus/craft_schemas/slopes.lua

@@ -0,0 +1,106 @@
+local api = stairsplus.api
+local register_craft_schema = api.register_craft_schema
+
+-- slopes
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_8",
+	recipe = {"slope_half", "slope_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_8",
+	recipe = {"slope_outer_half", "slope_inner_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_8",
+	recipe = {"slope_outer_cut_half", "slope_inner_cut_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slope_half_raised",
+	recipe = {"slope_half", "slope_half", "slope_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slope_half_raised",
+	recipe = {"slab_8", "slope_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slope_inner_half_raised",
+	recipe = {"slab_8", "slope_inner_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slope_outer_half_raised",
+	recipe = {"slab_8", "slope_outer_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slope_inner_cut_half_raised",
+	recipe = {"slab_8", "slope_inner_cut_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope", "slope"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_half", "slope_half_raised"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_half", "slope_half", "slope_half", "slope_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_outer", "slope_inner"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_outer_half", "slope_inner_half_raised"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_outer_half_raised", "slope_inner_half"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_outer_cut", "slope_inner_cut"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_outer_cut_half", "slope_inner_cut_half_raised"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "node",
+	recipe = {"slope_cut", "slope_cut"},
+})

stairsplus/craft_schemas/stairs.lua

@@ -0,0 +1,96 @@
+local api = stairsplus.api
+local register_craft_schema = api.register_craft_schema
+
+register_craft_schema({
+	type = "shapeless",
+	output = "slab_8 3",
+	recipe = {"stair", "stair"},
+})
+
+register_craft_schema({
+	output = "stair 8",
+	recipe = {
+		{"node", "", ""},
+		{"node", "node", ""},
+		{"node", "node", "node"},
+	},
+})
+
+register_craft_schema({
+	output = "stair 8",
+	recipe = {
+		{"", "", "node"},
+		{"", "node", "node"},
+		{"node", "node", "node"},
+	},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair",
+	recipe = {"panel_8", "slab_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair",
+	recipe = {"panel_8", "panel_8", "panel_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair",
+	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair",
+	recipe = {"panel_8", "panel_8", "panel_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair_inner",
+	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair_outer",
+	recipe = {"micro_8", "slab_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair_outer",
+	recipe = {"micro_8", "micro_8", "micro_8", "micro_8", "micro_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair_half",
+	recipe = {"micro_8", "micro_8", "micro_8"},
+})
+
+register_craft_schema({
+	type = "shapeless",
+	output = "stair_half",
+	recipe = {"panel_8", "micro_8"},
+})
+
+register_craft_schema({ -- See mirrored variation of the recipe below.
+	output = "stair_alt_8",
+	recipe = {
+		{"panel_8", ""},
+		{"", "panel_8"},
+	},
+})
+
+register_craft_schema({ -- Mirrored variation of the recipe above.
+	output = "stair_alt_8",
+	recipe = {
+		{"", "panel_8"},
+		{"panel_8", ""},
+	},
+})

stairsplus/craft_schemas/standard_composition.lua

@@ -0,0 +1,109 @@
+local api = stairsplus.api
+local register_craft_schema = api.register_craft_schema
+
+local slices = {1, 2, 4, 8, 12, 14, 15}
+
+local valid_slice = {
+	[1] = true,
+	[2] = true,
+	[4] = true,
+	[8] = true,
+	[12] = true,
+	[14] = true,
+	[15] = true,
+}
+
+local promotion = {
+	micro = "panel_8",
+	panel = "slab_8",
+	slab = "node",
+}
+
+local demotion = {
+	node = "slab",
+	slab = "panel",
+	panel = "micro",
+}
+
+for _, shape in ipairs({"micro", "panel", "slab"}) do
+	for _, slice1 in ipairs(slices) do
+		local shape1 = ("%s_%s"):format(shape, slice1)
+		local def1 = api.registered_shapes[shape1]
+
+		for _, slice2 in ipairs(slices) do
+			local shape2 = ("%s_%s"):format(shape, slice2)
+			local def2 = api.registered_shapes[shape2]
+
+			local slice3 = slice1 + slice2
+
+			if valid_slice[slice3] then
+				local shape3 = ("%s_%s"):format(shape, slice3)
+				local def3 = api.registered_shapes[shape3]
+				local n = math.floor((def1.eighths + def2.eighths) / def3.eighths)
+
+				register_craft_schema({
+					output = ("%s %s"):format(shape3, n),
+					recipe = {
+						{shape1},
+						{shape2},
+					},
+				})
+
+			elseif slice3 == 16 then
+				register_craft_schema({
+					output = ("%s"):format(promotion[shape]),
+					recipe = {
+						{shape1},
+						{shape2},
+					},
+				})
+			end
+		end
+	end
+end
+
+-- split in half horizontally
+
+register_craft_schema({
+	output = "slab_8 6",
+	recipe = {{"node", "node", "node"}},
+})
+
+for _, shape in ipairs({"micro", "panel", "slab"}) do
+	for _, slice1 in ipairs({2, 4, 8}) do
+		local slice2 = slice1 / 2
+		local shape1 = ("%s_%s"):format(shape, slice1)
+		local shape2 = ("%s_%s"):format(shape, slice2)
+		local def1 = api.registered_shapes[shape1]
+		local def2 = api.registered_shapes[shape2]
+		local n = math.floor(def1.eighths / def2.eighths)
+
+		register_craft_schema({
+			output = ("%s %s"):format(shape2, n),
+			recipe = {
+				{shape1, shape1, shape1},
+			},
+		})
+	end
+end
+
+-- split in half vertically
+
+for _, shape in ipairs({"panel", "slab"}) do
+	for _, slice in ipairs(slices) do
+		local shape1 = ("%s_%s"):format(shape, slice)
+		local shape2 = ("%s_%s"):format(demotion[shape], slice)
+		local def1 = api.registered_shapes[shape1]
+		local def2 = api.registered_shapes[shape2]
+		local n = math.floor(def1.eighths / def2.eighths)
+
+		register_craft_schema({
+			output = ("%s %s"):format(shape2, n),
+			recipe = {
+				{shape1},
+				{shape1},
+				{shape1},
+			},
+		})
+	end
+end

stairsplus/groups/builtin.lua

@@ -0,0 +1,22 @@
+
+stairsplus.api.register_passthrough_groups({
+	"not_in_creative_inventory",
+	"dig_immediate",
+	"float",
+	"level",
+	"slippery",
+	"falling_node",
+	"disable_jump",
+})
+
+stairsplus.api.register_scale_groups({
+	"bouncy",
+	"fall_damage_add_percent",
+	"slippery",
+})
+
+stairsplus.api.register_ignore_groups({
+	"attached_node",
+	"connect_to_raillike",
+	"tool",
+})

stairsplus/groups/default.lua

@@ -0,0 +1,20 @@
+if not stairsplus.has.default then
+	return
+end
+
+stairsplus.api.register_passthrough_groups({
+	"crumbly",
+	"cracky",
+	"snappy",
+	"choppy",
+	"fleshy",
+	"flammable",
+	"explody",
+	"oddly_breakable_by_hand",
+})
+
+stairsplus.api.register_scale_groups({
+})
+
+stairsplus.api.register_ignore_groups({
+})

stairsplus/groups/init.lua

@@ -0,0 +1,2 @@
+stairsplus.dofile("groups", "builtin")
+stairsplus.dofile("groups", "default")

stairsplus/init.lua

@@ -20,13 +20,7 @@ stairsplus = {
 	S = S,
 
 	has = {
-		basic_materials = minetest.get_modpath("basic_materials"),
-		default = minetest.get_modpath("default"),
-		gloopblocks = minetest.get_modpath("gloopblocks"),
 		stairs = minetest.get_modpath("stairs"),
-		technic = minetest.get_modpath("technic"),
-		prefab = minetest.get_modpath("prefab"),
-		wool = minetest.get_modpath("wool"),
 	},
 
 	log = function(level, messagefmt, ...)
@@ -40,9 +34,12 @@ stairsplus = {
 
 stairsplus.dofile("settings")
 stairsplus.dofile("util")
-stairsplus.dofile("resources", "init")
 stairsplus.dofile("api", "init")
 stairsplus.dofile("shapes", "init")
-stairsplus.dofile("craft_schemas")
+stairsplus.dofile("groups", "init")
+stairsplus.dofile("craft_schemas", "init")
+
+stairsplus.dofile("resources", "init")
 stairsplus.dofile("circular_saw")
+
 stairsplus.dofile("compat", "init")

stairsplus/mod.conf

@@ -1,4 +1,4 @@
 name = stairsplus
 title = Stairs+
 description = Microblock API
-optional_depends = basic_materials, default, gloopblocks, stairs, technic, prefab, wool
+optional_depends = stairs

stairsplus/settings.lua

@@ -9,5 +9,8 @@ stairsplus.settings = {
 		s:get_bool("creative_mode", false)
 	),
 
+	default_align_style = s:get("stairsplus.default_align_style") or "user",
+
 	legacy_mode = s:get_bool("stairsplus.legacy_mode", true),
+	legacy_place_mechanic = s:get_bool("stairsplus.legacy_place_mechanic", true),
 }

stairsplus/shapes/micros.lua

@@ -38,7 +38,7 @@ stairsplus.api.register_shape("micro_8", {
 	name_format = "micro_%s_8",
 	aliases = {"micro_%s", "micro_%s_bottom"},
 	description = "@1 Microblock", -- leave out the 1/2 to not confuse people too much...
-	shape_groups = {micro = 1, obligatory = 1, common = 1, legacy = 1},
+	shape_groups = {micro = 1, obligatory = 1, common = 1, legacy = 1, basic = 1},
 	eighths = 1,
 	drawtype = "nodebox",
 	node_box = {

stairsplus/shapes/slabs.lua

@@ -39,7 +39,7 @@ stairsplus.api.register_shape("slab_8", {
 	name_format = "slab_%s_8",
 	aliases = {"slab_%s"},
 	description = "@1 1/2 Slab",
-	shape_groups = {slab = 1, common = 1, legacy = 1},
+	shape_groups = {slab = 1, common = 1, legacy = 1, basic = 1},
 	eighths = 4,
 	drawtype = "nodebox",
 	node_box = {

stairsplus/shapes/stairs.lua

@@ -1,7 +1,7 @@
 stairsplus.api.register_shape("stair", {
 	name_format = "stair_%s",
 	description = "@1 Stair",
-	shape_groups = {stair = 1, common = 1, legacy = 1},
+	shape_groups = {stair = 1, common = 1, legacy = 1, basic = 1},
 	eighths = 6,
 	drawtype = "nodebox",
 	node_box = {
@@ -46,7 +46,7 @@ stairsplus.api.register_shape("stair_right_half", {
 stairsplus.api.register_shape("stair_inner", {
 	name_format = "stair_%s_inner",
 	description = "@1 Inner Stair",
-	shape_groups = {stair = 1, common = 1, legacy = 1},
+	shape_groups = {stair = 1, common = 1, legacy = 1, basic = 1},
 	eighths = 5,
 	drawtype = "nodebox",
 	node_box = {
@@ -62,7 +62,7 @@ stairsplus.api.register_shape("stair_inner", {
 stairsplus.api.register_shape("stair_outer", {
 	name_format = "stair_%s_outer",
 	description = "@1 Outer Stair",
-	shape_groups = {stair = 1, common = 1, legacy = 1},
+	shape_groups = {stair = 1, common = 1, legacy = 1, basic = 1},
 	eighths = 5,
 	drawtype = "nodebox",
 	node_box = {

stairsplus_legacy/.luacheckrc

@@ -0,0 +1,31 @@
+std = "lua51+luajit+minetest+moreblocks"
+unused_args = false
+max_line_length = 120
+
+stds.minetest = {
+	read_globals = {
+		"DIR_DELIM",
+		"minetest",
+		"core",
+		"dump",
+		"vector",
+		"nodeupdate",
+		"VoxelManip",
+		"VoxelArea",
+		"PseudoRandom",
+		"ItemStack",
+		"default",
+		"table",
+	}
+}
+
+stds.moreblocks = {
+	globals = {
+		"stairsplus_legacy",
+	},
+	read_globals = {
+		"default",
+		"stairs",
+		"stairsplus",
+	},
+}

stairsplus_legacy/basic_materials.lua

@@ -0,0 +1,12 @@
+-- not every fork of basic_materials has all the nodes
+if minetest.registered_nodes["basic_materials:concrete_block"] then
+	stairsplus_legacy.register_legacy("basic_materials:concrete_block")
+end
+
+if minetest.registered_nodes["basic_materials:cement_block"] then
+	stairsplus_legacy.register_legacy("basic_materials:cement_block")
+end
+
+if minetest.registered_nodes["basic_materials:brass_block"] then
+	stairsplus_legacy.register_legacy("basic_materials:brass_block")
+end

stairsplus_legacy/default.lua

@@ -0,0 +1,102 @@
+if stairsplus_legacy.has.stairs then
+	stairsplus_legacy.override_stairs("wood", "default:wood")
+	stairsplus_legacy.override_stairs("junglewood", "default:junglewood")
+	stairsplus_legacy.override_stairs("pine_wood", "default:pine_wood")
+	stairsplus_legacy.override_stairs("acacia_wood", "default:acacia_wood")
+	stairsplus_legacy.override_stairs("aspen_wood", "default:aspen_wood")
+	stairsplus_legacy.override_stairs("cobble", "default:cobble")
+	stairsplus_legacy.override_stairs("stone", "default:stone")
+	stairsplus_legacy.override_stairs("mossycobble", "default:mossycobble")
+	stairsplus_legacy.override_stairs("stonebrick", "default:stonebrick")
+	stairsplus_legacy.override_stairs("stone_block", "default:stone_block")
+	stairsplus_legacy.override_stairs("desert_stone", "default:desert_stone")
+	stairsplus_legacy.override_stairs("desert_cobble", "default:desert_cobble")
+	stairsplus_legacy.override_stairs("desert_stonebrick", "default:desert_stonebrick")
+	stairsplus_legacy.override_stairs("desert_stone_block", "default:desert_stone_block")
+	stairsplus_legacy.override_stairs("sandstone", "default:sandstone")
+	stairsplus_legacy.override_stairs("sandstonebrick", "default:sandstonebrick")
+	stairsplus_legacy.override_stairs("sandstone_block", "default:sandstone_block")
+	stairsplus_legacy.override_stairs("desert_sandstone", "default:desert_sandstone")
+	stairsplus_legacy.override_stairs("desert_sandstone_brick", "default:desert_sandstone_brick")
+	stairsplus_legacy.override_stairs("desert_sandstone_block", "default:desert_sandstone_block")
+	stairsplus_legacy.override_stairs("silver_sandstone", "default:silver_sandstone")
+	stairsplus_legacy.override_stairs("silver_sandstone_brick", "default:silver_sandstone_brick")
+	stairsplus_legacy.override_stairs("silver_sandstone_block", "default:silver_sandstone_block")
+	stairsplus_legacy.override_stairs("obsidian", "default:obsidian")
+	stairsplus_legacy.override_stairs("obsidianbrick", "default:obsidianbrick")
+	stairsplus_legacy.override_stairs("obsidian_block", "default:obsidian_block")
+	stairsplus_legacy.override_stairs("brick", "default:brick")
+	stairsplus_legacy.override_stairs("steelblock", "default:steelblock")
+	stairsplus_legacy.override_stairs("tinblock", "default:tinblock")
+	stairsplus_legacy.override_stairs("copperblock", "default:copperblock")
+	stairsplus_legacy.override_stairs("bronzeblock", "default:bronzeblock")
+	stairsplus_legacy.override_stairs("goldblock", "default:goldblock")
+	stairsplus_legacy.override_stairs("ice", "default:ice")
+	stairsplus_legacy.override_stairs("snowblock", "default:snowblock")
+	stairsplus_legacy.override_stairs("glass", "default:glass",
+		{tiles = {"stairs_glass_split.png"}}, {ignore_paramtype2 = true})
+	stairsplus_legacy.override_stairs("obsidian_glass", "default:obsidian_glass",
+		{tiles = {"stairs_obsidian_glass_split.png"}}, {ignore_paramtype2 = true})
+end
+
+local default_nodes = { -- Default stairs/slabs/panels/microblocks:
+	"stone",
+	"stone_block",
+	"cobble",
+	"mossycobble",
+	"brick",
+	"sandstone",
+	"steelblock",
+	"goldblock",
+	"copperblock",
+	"bronzeblock",
+	"diamondblock",
+	"tinblock",
+	"desert_stone",
+	"desert_stone_block",
+	"desert_cobble",
+	"meselamp",
+	"tree",
+	"wood",
+	"jungletree",
+	"junglewood",
+	"pine_tree",
+	"pine_wood",
+	"acacia_tree",
+	"acacia_wood",
+	"aspen_tree",
+	"aspen_wood",
+	"obsidian",
+	"obsidian_block",
+	"obsidianbrick",
+	"stonebrick",
+	"desert_stonebrick",
+	"sandstonebrick",
+	"silver_sandstone",
+	"silver_sandstone_brick",
+	"silver_sandstone_block",
+	"desert_sandstone",
+	"desert_sandstone_brick",
+	"desert_sandstone_block",
+	"sandstone_block",
+	"coral_skeleton",
+	"ice",
+}
+
+for _, name in ipairs(default_nodes) do
+	local node = ("default:%s"):format(name)
+	stairsplus_legacy.register_legacy(node)
+	stairsplus.api.register_alias_all(("moreblocks:%s"):format(name), node)
+end
+
+-- glass problems
+local glass = {
+	"glass",
+	"obsidian_glass",
+}
+
+for _, name in ipairs(glass) do
+	local node = ("default:%s"):format(name)
+	stairsplus_legacy.register_legacy(node, nil, {ignore_paramtype2 = true})
+	stairsplus.api.register_alias_all(("moreblocks:%s"):format(name), node)
+end

stairsplus_legacy/farming.lua

@@ -0,0 +1,10 @@
+if stairsplus_legacy.has.stairs then
+	stairsplus_legacy.override_stairs("straw", "farming:straw")
+end
+
+local farming_nodes = {"straw"}
+for _, name in pairs(farming_nodes) do
+	local node = ("farming:%s"):format(name)
+	stairsplus_legacy.register_legacy(node)
+	stairsplus.api.register_alias_all(("moreblocks:%s"):format(name), node)
+end

stairsplus_legacy/gloopblocks.lua

@@ -0,0 +1,6 @@
+if stairsplus_legacy.has.basic_materials and stairsplus_legacy.settings.basic_materials then
+	stairsplus.api.register_alias_force_all("gloopblocks:cement", "basic_materials:cement_block")
+
+else
+	stairsplus_legacy.register_legacy("gloopblocks:cement")
+end

stairsplus_legacy/init.lua

@@ -0,0 +1,90 @@
+local modname = minetest.get_current_modname()
+local modpath = minetest.get_modpath(modname)
+local S = minetest.get_translator(modname)
+
+stairsplus_legacy = {
+	version = {3, 0, 0},
+	fork = "minetest_mods",
+
+	modname = modname,
+	modpath = modpath,
+
+	S = S,
+
+	has = {
+		basic_materials = minetest.get_modpath("basic_materials"),
+		default = minetest.get_modpath("default"),
+		farming = minetest.get_modpath("farming"),
+		gloopblocks = minetest.get_modpath("gloopblocks"),
+		prefab = minetest.get_modpath("prefab"),
+		stairs = minetest.get_modpath("stairs"),
+		technic = minetest.get_modpath("technic"),
+		wool = minetest.get_modpath("wool"),
+	},
+
+	log = function(level, messagefmt, ...)
+		return minetest.log(level, ("[%s] %s"):format(modname, messagefmt:format(...)))
+	end,
+
+	dofile = function(...)
+		return dofile(table.concat({modpath, ...}, DIR_DELIM) .. ".lua")
+	end,
+}
+
+stairsplus_legacy.dofile("settings")
+
+function stairsplus_legacy.register_legacy(node, overrides, meta)
+	if stairsplus_legacy.settings.stairsplus_legacy_mode then
+		stairsplus.api.register_group(node, "legacy", overrides, meta)
+	else
+		stairsplus.api.register_group(node, "common", overrides, meta)
+	end
+end
+
+if stairsplus_legacy.has.stairs then
+	local stair_name_formats = {
+		stair = "stairs:stair_%s",
+		slab_8 = "stairs:slab_%s",
+		stair_inner = "stairs:stair_inner_%s",
+		stair_outer = "stairs:stair_outer_%s",
+	}
+
+	function stairsplus_legacy.override_stairs(name, node, overrides, meta)
+		for shape, name_format in pairs(stair_name_formats) do
+			local stair_name = name_format:format(name)
+			if minetest.registered_nodes[stair_name] then
+				stairsplus.api.register_single(node, shape, overrides, meta)
+				local shaped_name = stairsplus.api.format_name(node, shape)
+				minetest.register_alias_force(stair_name, shaped_name)
+			end
+		end
+	end
+end
+
+if stairsplus_legacy.has.basic_materials and stairsplus_legacy.settings.basic_materials then
+	stairsplus_legacy.dofile("basic_materials")
+end
+
+if stairsplus_legacy.has.default and stairsplus_legacy.settings.default then
+	stairsplus_legacy.dofile("default")
+end
+
+if stairsplus_legacy.has.farming and stairsplus_legacy.settings.farming then
+	stairsplus_legacy.dofile("farming")
+end
+
+if stairsplus_legacy.has.gloopblocks and stairsplus_legacy.settings.gloopblocks then
+	stairsplus_legacy.dofile("gloopblocks")
+end
+
+if stairsplus_legacy.has.technic and stairsplus_legacy.settings.technic then
+	stairsplus_legacy.dofile("technic")
+end
+
+if stairsplus_legacy.has.prefab and stairsplus_legacy.settings.prefab then
+	stairsplus_legacy.dofile("prefab")
+end
+
+if stairsplus_legacy.has.wool and stairsplus_legacy.settings.wool then
+	stairsplus_legacy.dofile("wool")
+end

stairsplus_legacy/mod.conf

@@ -0,0 +1,5 @@
+name = stairsplus_legacy
+title = Stairs+ legacy support
+description = Support for old registrations which were part of moreblocks/stairsplus
+depends = stairsplus
+optional_depends = basic_materials, default, farming, gloopblocks, stairs, prefab, technic, wool

stairsplus_legacy/prefab.lua

@@ -0,0 +1,9 @@
+if stairsplus_legacy.has.basic_materials and stairsplus_legacy.settings.basic_materials then
+	stairsplus.api.register_alias_force_all("prefab:concrete", "basic_materials:concrete_block")
+
+elseif stairsplus_legacy.has.technic and stairsplus_legacy.settings.technic then
+	stairsplus.api.register_alias_force_all("prefab:concrete", "technic:concrete")
+
+else
+	stairsplus_legacy.register_legacy("prefab:concrete")
+end

stairsplus_legacy/settings.lua

@@ -0,0 +1,13 @@
+local s = minetest.settings
+
+stairsplus_legacy.settings = {
+	basic_materials = s:get_bool("stairsplus_legacy.basic_materials", true),
+	default = s:get_bool("stairsplus_legacy.default", true),
+	farming = s:get_bool("stairsplus_legacy.farming", true),
+	gloopblocks = s:get_bool("stairsplus_legacy.gloopblocks", true),
+	technic = s:get_bool("stairsplus_legacy.technic", true),
+	prefab = s:get_bool("stairsplus_legacy.prefab", true),
+	wool = s:get_bool("stairsplus_legacy.wool", true),
+
+	stairsplus_legacy_mode = s:get_bool("stairsplus.legacy_mode")
+}

stairsplus_legacy/technic.lua

@@ -0,0 +1,9 @@
+if stairsplus_legacy.has.basic_materials and stairsplus_legacy.settings.basic_materials then
+	stairsplus.api.register_alias_force_all("technic:brass_block", "basic_materials:concrete_block")
+	stairsplus.api.register_alias_force_all("technic:brass_block", "basic_materials:brass_block")
+
+else
+	stairsplus_legacy.register_legacy("technic:brass_block")
+	stairsplus_legacy.register_legacy("technic:concrete")
+end
+

stairsplus_legacy/wool.lua

@@ -0,0 +1,11 @@
+local dyes = {"white", "grey", "black", "red", "yellow", "green", "cyan",
+              "blue", "magenta", "orange", "violet", "brown", "pink",
+              "dark_grey", "dark_green"}
+for _, name in pairs(dyes) do
+	local mod = "wool"
+	local nodename = mod .. ":" .. name
+	local ndef = table.copy(minetest.registered_nodes[nodename])
+	ndef.sunlight_propagates = true
+
+	stairsplus:register_all(mod, name, nodename, ndef)
+end