From d5edcb2a1033e5e03d9a1c7650456445ade8db4c Mon Sep 17 00:00:00 2001
From: Thomas--S <info@thomas-stangl.de>
Date: Sun, 4 Mar 2018 11:16:43 +0100
Subject: [PATCH] Add a register_custom_subset function

---
 stairsplus/custom.lua | 98 +++++++++++++++++++++++++++++++++++++++++++
 stairsplus/defs.lua   |  2 +-
 stairsplus/init.lua   |  1 +
 3 files changed, 100 insertions(+), 1 deletion(-)
 create mode 100644 stairsplus/custom.lua

diff --git a/stairsplus/custom.lua b/stairsplus/custom.lua
new file mode 100644
index 0000000..e456f7c
--- /dev/null
+++ b/stairsplus/custom.lua
@@ -0,0 +1,98 @@
+--[[
+More Blocks: microblock definitions
+
+Copyright (c) 2011-2018 Hugo Locurcio and contributors.
+Licensed under the zlib license. See LICENSE.md for more information.
+--]]
+
+local S = moreblocks.intllib
+
+--[[
+Subset table should have the following format: (You can remove entries as needed.)
+
+local subset = {
+	{ "micro", "" },
+	{ "micro", "_1" },
+	{ "micro", "_2" },
+	{ "micro", "_4" },
+	{ "micro", "_12" },
+	{ "micro", "_14" },
+	{ "micro", "_15" },
+	{ "panel", "" },
+	{ "panel", "_1" },
+	{ "panel", "_2" },
+	{ "panel", "_4" },
+	{ "panel", "_12" },
+	{ "panel", "_14" },
+	{ "panel", "_15" },
+	{ "slab",  "" },
+	{ "slab",  "_quarter" },
+	{ "slab",  "_three_quarter" },
+	{ "slab",  "_1" },
+	{ "slab",  "_2" },
+	{ "slab",  "_14" },
+	{ "slab",  "_15" },
+	{ "slab",  "_two_sides" },
+	{ "slab",  "_three_sides" },
+	{ "slab",  "_three_sides_u" },
+	{ "slope", "" },
+	{ "slope", "_half" },
+	{ "slope", "_half_raised" },
+	{ "slope", "_inner" },
+	{ "slope", "_inner_half" },
+	{ "slope", "_inner_half_raised" },
+	{ "slope", "_inner_cut" },
+	{ "slope", "_inner_cut_half" },
+	{ "slope", "_inner_cut_half_raised" },
+	{ "slope", "_outer" },
+	{ "slope", "_outer_half" },
+	{ "slope", "_outer_half_raised" },
+	{ "slope", "_outer_cut" },
+	{ "slope", "_outer_cut_half" },
+	{ "slope", "_outer_cut_half_raised" },
+	{ "slope", "_cut" },
+	{ "stair", "" },
+	{ "stair", "_half" },
+	{ "stair", "_right_half" },
+	{ "stair", "_inner" },
+	{ "stair", "_outer" },
+	{ "stair", "_alt" },
+	{ "stair", "_alt_1" },
+	{ "stair", "_alt_2" },
+	{ "stair", "_alt_4" },
+}
+--]]
+
+function register_custom_subset(subset, modname, subname, recipeitem, groups, images, description, drop, light)
+	stairsplus:register_custom_subset(subset, modname, subname, recipeitem, {
+		groups = groups,
+		tiles = images,
+		description = description,
+		drop = drop,
+		light_source = light,
+		sounds = default.node_sound_stone_defaults(),
+	})
+end
+
+function stairsplus:register_custom_subset_alias(subset, modname_old, subname_old, modname_new, subname_new)
+	local subset = table.copy(subset)
+	for k, v in pairs(subset) do
+		minetest.register_alias(modname_old .. ":" .. v[1] .. "_" .. subname_old .. v[2], modname_new .. ":" .. v[1] .. "_" .. subname_new .. v[2])
+	end
+end
+
+function stairsplus:register_custom_subset_alias_force(subset, modname_old, subname_old, modname_new, subname_new)
+	local subset = table.copy(subset)
+	for k, v in pairs(subset) do
+		minetest.register_alias_force(modname_old .. ":" .. v[1] .. "_" .. subname_old .. v[2], modname_new .. ":" .. v[1] .. "_" .. subname_new .. v[2])
+	end
+end
+
+function stairsplus:register_custom_subset(subset, modname, subname, recipeitem, fields)
+	local subset = table.copy(subset)
+	for k, v in pairs(subset) do
+		stairsplus.register_single(v[1], v[2], stairsplus.defs[v[1]][v[2]], modname, subname, recipeitem, fields)
+	end
+
+	circular_saw.known_nodes[recipeitem] = {modname, subname}
+end
diff --git a/stairsplus/defs.lua b/stairsplus/defs.lua
index a7b7bca..560b1f2 100644
--- a/stairsplus/defs.lua
+++ b/stairsplus/defs.lua
@@ -335,7 +335,7 @@ stairsplus.defs = {
 				},
 			},
 		},
-		["_right_half" ]= {
+		["_right_half"] = {
 			node_box = {
 				type = "fixed",
 				fixed = {
diff --git a/stairsplus/init.lua b/stairsplus/init.lua
index c9ca438..bb1ed2b 100644
--- a/stairsplus/init.lua
+++ b/stairsplus/init.lua
@@ -77,4 +77,5 @@ dofile(modpath .. "/slabs.lua")
 dofile(modpath .. "/slopes.lua")
 dofile(modpath .. "/panels.lua")
 dofile(modpath .. "/microblocks.lua")
+dofile(modpath .. "/custom.lua")
 dofile(modpath .. "/registrations.lua")