moreblocks/stairsplus/util.lua

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stairsplus.util = {
table_set_all = function(t, other_table)
for key, value in pairs(other_table) do
t[key] = value
end
return t
end,
table_is_empty = function(t)
return not next(t)
end,
table_sort_keys = function(t, sort_function)
local sorted = {}
for key in pairs(t) do
table.insert(sorted, key)
end
if sort_function then
table.sort(sorted, sort_function)
else
table.sort(sorted)
end
return sorted
end,
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table_equals = function(t1, t2)
if t1 == t2 then
return true
end
local tt1 = type(t1)
local tt2 = type(t2)
if tt1 ~= tt2 then
return false
end
if tt1 ~= "table" or tt2 ~= "table" then
return t1 == t2
end
for k1, v1 in pairs(t1) do
if v1 ~= t2[k1] then
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return false
end
end
for k2, v2 in pairs(t2) do
if t1[k2] ~= v2 then
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return false
end
end
return true
end,
check_call = function(func)
-- wrap a function w/ logic to avoid crashing the game
local f = function(...)
local status, out = pcall(func, ...)
if status then
return out
else
local message = ("Error (func): %s %s"):format(out, dump({...}))
stairsplus.log("error", message)
error(message)
end
end
return f
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end,
get_location_string = function(inv)
local location = inv:get_location()
if location.type == "node" then
return ("nodemeta:%i,%i,%i"):format(location.pos.x, location.pos.y, location.pos.z)
elseif location.type == "player" then
return ("player:%s"):format(location.name)
elseif location.type == "detached" then
return ("detached:%s"):format(location.name)
else
error(("unexpected location? %s"):format(dump(location)))
end
end,
}