mtcontrib/Minetest-WorldEdit
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Improve node name normalization

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This commit is contained in:
sfan5 2017-08-31 20:38:38 +02:00
parent e680d8087e
commit 2cb3fcde66
1 changed files with 29 additions and 8 deletions
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35
worldedit_commands/init.lua
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@ -23,6 +23,7 @@ local function get_position(name) --position 1 retrieval function for when not u
return pos1
end
-- normalize_nodename wrapper for convenience purposes
local function get_node(name, nodename)
local node = worldedit.normalize_nodename(nodename)
if not node then
@ -36,26 +37,46 @@ function worldedit.player_notify(name, message)
minetest.chat_send_player(name, "WorldEdit -!- " .. message, false)
end
--determines whether `nodename` is a valid node name, returning a boolean
local function string_endswith(full, part)
return full:find(part, 1, true) == #full - #part + 1
end
-- normalizes node "description" `nodename`, returning a string (or nil)
worldedit.normalize_nodename = function(nodename)
nodename = nodename:gsub("^%s*(.-)%s*$", "%1")
nodename = nodename:gsub("^%s*(.-)%s*$", "%1") -- strip spaces
if nodename == "" then return nil end
local fullname = ItemStack({name=nodename}):get_name() --resolve aliases of node names to full names
if minetest.registered_nodes[fullname] or fullname == "air" then --directly found node name or alias of nodename
local fullname = ItemStack({name=nodename}):get_name() -- resolve aliases
if minetest.registered_nodes[fullname] or fullname == "air" then -- full name
return fullname
end
for key, value in pairs(minetest.registered_nodes) do
if key:find(":" .. nodename, 1, true) then --found in mod
if string_endswith(key, ":" .. nodename) then -- matches name (w/o mod part)
return key
end
end
nodename = nodename:lower() --lowercase both for case insensitive comparison
nodename = nodename:lower() -- lowercase both for case insensitive comparison
for key, value in pairs(minetest.registered_nodes) do
if value.description:lower() == nodename then --found in description
local desc = value.description:lower()
if desc == nodename then -- matches description
return key
end
if string_endswith(desc, " block") and desc == nodename.." block" then
-- fuzzy description match (e.g. "Steel" == "Steel Block")
return key
end
end
local match = nil
for key, value in pairs(minetest.registered_nodes) do
if value.description:lower():find(nodename, 1, true) ~= nil then
if match ~= nil then
return nil
end
match = key -- substring description match (only if no ambiguities)
end
end
return match
end
-- Determines the axis in which a player is facing, returning an axis ("x", "y", or "z") and the sign (1 or -1)