Avoid crash if place a stair like node on colored one of same categorie

init.lua

@@ -20,6 +20,7 @@ dofile(modpath .. "/config.lua")
 dofile(modpath .. "/circular_saw.lua")
 dofile(modpath .. "/stairsplus/init.lua")
 dofile(modpath .. "/nodes.lua")
-dofile(modpath .. "/redefinitions.lua")
 dofile(modpath .. "/crafting.lua")
 dofile(modpath .. "/aliases.lua")
+
+minetest.log("action", "[moreblocks] loaded.")

redefinitions.lua

@@ -1,94 +0,0 @@
---[[
-More Blocks: redefinitions of default stuff
-
-Copyright © 2011-2020 Hugo Locurcio and contributors.
-Licensed under the zlib license. See LICENSE.md for more information.
---]]
-
-local modname = minetest.get_current_modname()
-
--- Redefine some of the default crafting recipes to be more productive
-
--- Auxiliary function: take a recipe as returned by get_all_craft_recipes
--- and turn it into a table that can be used to clear a craft or declare a new one
-local reconstruct_internal_craft = function(recipe)
-	local recp = {
-		{ "", "", "" },
-		{ "", "", "" },
-		{ "", "", "" },
-	}
-	local width = recipe.width
-	for idx, item in pairs(recipe.items) do
-		local row = math.ceil(idx / width)
-		local col = idx - (row-1)*width
-		recp[row][col] = item
-	end
-	return recp
-end
-
--- Change the amount produced by recipe by apply func to the old amount
-local change_recipe_amount = function(product, recipe, func)
-	-- if width == 0, this is a shapeless recipe, for which the
-	-- internal and Lua API recipe table is the same.
-	-- Otherwise we need to reconstruct the table for the shaped recipe.
-	local shapeless = (recipe.width == 0)
-	local recp = shapeless and recipe.items or reconstruct_internal_craft(recipe)
-
-	local oldamount = tonumber(recipe.output:match(" [0-9]+$") or "1")
-
-	local newamount = func(oldamount)
-
-	-- remove old crafting recipe
-	local redo = { recipe = recp }
-	-- preserve shapelessness
-	if shapeless then
-		redo.type = "shapeless"
-	end
-	minetest.clear_craft(redo)
-
-	-- new output
-	redo.output = ("%s %d"):format(product, newamount)
-	minetest.register_craft(redo)
-
-	minetest.log("action", ("[MOD]%s: recipe for %s production: %d => %d"):format(modname, product, oldamount, newamount))
-end
-
-local increase_craft_production = function(product, func)
-	local recipes = minetest.get_all_craft_recipes(product)
-	for _, r in pairs(recipes) do
-		if r.type == "normal" or r.method == "normal" then
-			change_recipe_amount(product, r, func)
-		end
-	end
-end
-
--- Increase the crafting production according to the rules from the table, which is in the form:
--- {
---   { detector, amount changing function }
---   { detector, amount changing function }
--- }
--- TODO: consider exporting this function to other mods
-local increase_craft_production_table = function(map_table)
-	for product, _ in pairs(minetest.registered_items) do
-		for _, tab in pairs(map_table) do
-			local detector = tab[1]
-			local func = tab[2]
-			if detector(product) then
-				increase_craft_production(product, func)
-				-- only apply one boost
-				break
-			end
-		end
-	end
-end
-
-increase_craft_production_table({
-	{ function(n) return n:match('^default:sign_wall') end, function(old) return old + 1 end },
-	{ function(n) return n == 'default:paper' end, function(old) return old*4 end },
-	{ function(n) return n:match('^carts:.*rail$') or n:match('^default:.*rail$') end, function(old) return old + old/2 end },
-})
-
-minetest.register_craft({
-	type = "toolrepair",
-	additional_wear = -0.10, -- Tool repair buff (10% bonus instead of 2%).
-})

stairsplus/common.lua

@@ -49,6 +49,8 @@ stairsplus.rotate_node_aux = function(itemstack, placer, pointed_thing)
 	local under = pointed_thing.under
 	local under_node = minetest.get_node(under)
 	local under_prefix = under_node and name_to_category(under_node.name)
+	-- NALC Addition to avoid coloredwood/unifiedbricks crash by Sys4
+	local under_pmod = string.sub(under_node.name, 1, string.find(under_node.name, ":")-1)
 
 	local same_cat = item_prefix == under_prefix
 
@@ -65,7 +67,8 @@ stairsplus.rotate_node_aux = function(itemstack, placer, pointed_thing)
 	-- 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
+	if same_cat and (under_pmod ~= "coloredwood" and under_pmod ~= "unifiedbricks")
+	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?

stairsplus/registrations.lua

@@ -61,6 +61,8 @@ for _, name in pairs(default_nodes) do
 	-- Stone and desert_stone drop cobble and desert_cobble respectively.
 	if type(ndef.drop) == "string" then
 		ndef.drop = ndef.drop:gsub(".+:", "")
+	elseif name == "desert_stone" then
+		ndef.drop = ndef.drop.items[1].items[1]:gsub(".+:", "")
 	end
 
 	-- Use the primary tile for all sides of cut glasslike nodes and disregard paramtype2.