MoreMesecons/moremesecons_utils/init.lua
upsilon d8c859a162
Define vector_extras functions in moremesecons_utils
if vector_extras is not loaded
Loading vector_extras is still recommended because its functions may be more up-to-date.
2017-04-19 21:41:10 +02:00

78 lines
1.9 KiB
Lua

moremesecons = {}
function moremesecons.setting(modname, settingname, default, min)
local setting = "moremesecons_" .. modname .. "." .. settingname
if type(default) == "boolean" then
local ret = minetest.setting_getbool(setting)
if ret == nil then
ret = default
end
return ret
elseif type(default) == "string" then
return minetest.setting_get(setting) or default
elseif type(default) == "number" then
local ret = tonumber(minetest.setting_get(setting)) or default
if ret ~= ret then -- NaN
minetest.log("warning", "[moremesecons_"..modname.."]: setting '"..setting.."' is NaN. Set to default value ("..tostring(default)..").")
ret = default
end
if min and ret < min then
minetest.log("warning", "[moremesecons_"..modname.."]: setting '"..setting.."' is under minimum value "..tostring(min)..". Set to minimum value ("..tostring(min)..").")
ret = min
end
return ret
end
end
-- Vector helpers
-- All the following functions are from the vector_extras mod (https://github.com/HybridDog/vector_extras).
-- If you enable that mod, its functions will be used instead of the ones defined below
if not vector.get_data_from_pos then
function vector.get_data_from_pos(tab, z,y,x)
local data = tab[z]
if data then
data = data[y]
if data then
return data[x]
end
end
end
end
if not vector.set_data_to_pos then
function vector.set_data_to_pos(tab, z,y,x, data)
if tab[z] then
if tab[z][y] then
tab[z][y][x] = data
return
end
tab[z][y] = {[x] = data}
return
end
tab[z] = {[y] = {[x] = data}}
end
end
if not vector.remove_data_from_pos then
function vector.remove_data_from_pos(tab, z,y,x)
if vector.get_data_from_pos(tab, z,y,x) == nil then
return
end
tab[z][y][x] = nil
if not next(tab[z][y]) then
tab[z][y] = nil
end
if not next(tab[z]) then
tab[z] = nil
end
end
end
if not vector.unpack then
function vector.unpack(pos)
return pos.z, pos.y, pos.x
end
end