2017-06-14 23:37:18 -07:00
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--[[ LICENSE HEADER
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MIT Licensing
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Copyright © 2017 Jordan Irwin
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See: LICENSE.txt
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--]]
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-- Retrieves a simplified table containing string names of registered items
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local function getRegisteredItemNames()
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local item_names = {}
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for item, def in pairs(minetest.registered_items) do
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table.insert(item_names, item)
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end
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table.sort(item_names)
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return item_names
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end
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-- Compares a string from a list of substrings
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local function compareSubstringList(ss_list, s_value)
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for index, substring in ipairs(ss_list) do
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-- Tests for substring (does not need to match full string)
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if string.find(s_value, substring) then
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return true
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end
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end
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return false
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end
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-- Checks if value is contained in list
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local function listContains(tlist, v)
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for index, value in ipairs(tlist) do
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if v == value then
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return true
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end
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end
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return false
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end
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-- Replaces duplicates found in a list
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local function removeListDuplicates(tlist)
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local cleaned = {}
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for index, value in ipairs(tlist) do
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2017-06-15 01:39:31 -07:00
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if not listContains(cleaned, value) then
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2017-06-14 23:37:18 -07:00
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table.insert(cleaned, value)
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end
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end
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return cleaned
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end
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minetest.log('action', '[listitems] Registering chat command "listitems"')
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minetest.register_chatcommand('listitems', {
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params = '[string1] [string2] ...',
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description = 'List registered items',
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func = function(player, param)
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-- Make all parameters lowercase for case-insensitive matching
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param = removeListDuplicates(string.split(string.lower(param), ' '))
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local all_item_names = getRegisteredItemNames()
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local found_names = {}
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-- Check if table is empty
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if next(param) == nil then
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found_names = all_item_names
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else
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-- Need to fill item list
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for I in pairs(all_item_names) do
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if compareSubstringList(param, string.lower(all_item_names[I])) then
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table.insert(found_names, all_item_names[I])
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end
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end
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end
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if found_names ~= nil then
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for I in pairs(found_names) do
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2017-07-23 12:31:45 -07:00
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minetest.chat_send_player(player, '• ' .. found_names[I])
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2017-06-14 23:37:18 -07:00
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end
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end
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2017-07-23 12:32:35 -07:00
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-- Show player number of items listed
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minetest.chat_send_player(player, tostring(#found_names) .. ' items listed')
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2017-06-14 23:37:18 -07:00
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return true
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end,
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})
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