68 lines
1.3 KiB
Lua
68 lines
1.3 KiB
Lua
function blockgame.get_keys (tab)
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local keyset = {}
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local n = 0
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for key, value in pairs(tab) do
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n = n + 1
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keyset[n] = key
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end
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return keyset
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end
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function blockgame.shallow_copy_table (tab)
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local result = {}
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for key, value in pairs(tab) do
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result[key] = value
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end
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return result
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end
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function blockgame.naive_deep_copy (tab)
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local result = {}
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for key, value in pairs(tab) do
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if type(value) == "table" then
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result[key] = blockgame.naive_deep_copy(value)
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else
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result[key] = value
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end
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end
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return result
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end
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function blockgame.shuffle (tab)
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local keys = blockgame.get_keys(tab)
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local result = {}
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while #keys > 0 do
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local index = math.random(1, #keys)
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local key = table.remove(keys, index)
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table.insert(result, tab[key])
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end
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return result
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end
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function blockgame.any (tab, check)
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for key, value in pairs(tab) do
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if check(value, key, tab) then return true end
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end
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return false
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end
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function blockgame.every (tab, check)
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for key, value in pairs(tab) do
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if not check(value, key, tab) then return false end
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end
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return true
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end
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function blockgame.underride (tab, template)
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local tab = tab or {}
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local result = blockgame.naive_deep_copy(template)
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for key, value in pairs(tab) do
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if type(value) == "table" then
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result[key] = blockgame.underride(value, template[key] or {})
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else
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result[key] = value
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end
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end
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return result
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end
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