advanced_npc/utils.lua

37 lines
782 B
Lua

-- Basic utilities to work with array operations in Lua
-- By Zorman2000
npc.utils = {}
function npc.utils.array_contains(array, item)
--minetest.log("Array: "..dump(array))
--minetest.log("Item being searched: "..dump(item))
for i = 1, #array do
--minetest.log("Equals? "..dump(array[i] == item))
if array[i] == item then
return true
end
end
return false
end
function npc.utils.array_is_subset_of_array(set, subset)
local match_count = 0
for j = 1, #subset do
for k = 1, #set do
if subset[j] == set[k] then
match_count = match_count + 1
end
end
end
-- Check match count
return match_count == #subset
end
function npc.utils.get_map_keys(map)
local result = {}
for key, value in pairs(map) do
table.insert(result, key)
end
return result
end