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https://github.com/Uberi/Minetest-WorldEdit.git
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Improve node name normalization
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e680d8087e
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@ -23,6 +23,7 @@ local function get_position(name) --position 1 retrieval function for when not u
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return pos1
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end
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-- normalize_nodename wrapper for convenience purposes
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local function get_node(name, nodename)
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local node = worldedit.normalize_nodename(nodename)
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if not node then
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@ -36,26 +37,46 @@ function worldedit.player_notify(name, message)
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minetest.chat_send_player(name, "WorldEdit -!- " .. message, false)
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end
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--determines whether `nodename` is a valid node name, returning a boolean
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local function string_endswith(full, part)
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return full:find(part, 1, true) == #full - #part + 1
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end
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-- normalizes node "description" `nodename`, returning a string (or nil)
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worldedit.normalize_nodename = function(nodename)
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nodename = nodename:gsub("^%s*(.-)%s*$", "%1")
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nodename = nodename:gsub("^%s*(.-)%s*$", "%1") -- strip spaces
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if nodename == "" then return nil end
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local fullname = ItemStack({name=nodename}):get_name() --resolve aliases of node names to full names
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if minetest.registered_nodes[fullname] or fullname == "air" then --directly found node name or alias of nodename
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local fullname = ItemStack({name=nodename}):get_name() -- resolve aliases
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if minetest.registered_nodes[fullname] or fullname == "air" then -- full name
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return fullname
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end
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for key, value in pairs(minetest.registered_nodes) do
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if key:find(":" .. nodename, 1, true) then --found in mod
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if string_endswith(key, ":" .. nodename) then -- matches name (w/o mod part)
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return key
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end
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end
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nodename = nodename:lower() --lowercase both for case insensitive comparison
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nodename = nodename:lower() -- lowercase both for case insensitive comparison
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for key, value in pairs(minetest.registered_nodes) do
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if value.description:lower() == nodename then --found in description
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local desc = value.description:lower()
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if desc == nodename then -- matches description
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return key
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end
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if string_endswith(desc, " block") and desc == nodename.." block" then
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-- fuzzy description match (e.g. "Steel" == "Steel Block")
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return key
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end
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end
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return nil
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local match = nil
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for key, value in pairs(minetest.registered_nodes) do
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if value.description:lower():find(nodename, 1, true) ~= nil then
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if match ~= nil then
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return nil
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end
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match = key -- substring description match (only if no ambiguities)
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end
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end
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return match
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end
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-- Determines the axis in which a player is facing, returning an axis ("x", "y", or "z") and the sign (1 or -1)
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