minetest/data/builtin.lua
2011-11-29 19:13:52 +02:00

103 lines
2.3 KiB
Lua

function basic_dump2(o)
if type(o) == "number" then
return tostring(o)
elseif type(o) == "string" then
return string.format("%q", o)
elseif type(o) == "boolean" then
return tostring(o)
elseif type(o) == "function" then
return "<function>"
elseif type(o) == "userdata" then
return "<userdata>"
elseif type(o) == "nil" then
return "nil"
else
error("cannot dump a " .. type(o))
return nil
end
end
function dump2(o, name, dumped)
name = name or "_"
dumped = dumped or {}
io.write(name, " = ")
if type(o) == "number" or type(o) == "string" or type(o) == "boolean"
or type(o) == "function" or type(o) == "nil"
or type(o) == "userdata" then
io.write(basic_dump2(o), "\n")
elseif type(o) == "table" then
if dumped[o] then
io.write(dumped[o], "\n")
else
dumped[o] = name
io.write("{}\n") -- new table
for k,v in pairs(o) do
local fieldname = string.format("%s[%s]", name, basic_dump2(k))
dump2(v, fieldname, dumped)
end
end
else
error("cannot dump a " .. type(o))
return nil
end
end
function dump(o, dumped)
dumped = dumped or {}
if type(o) == "number" then
return tostring(o)
elseif type(o) == "string" then
return string.format("%q", o)
elseif type(o) == "table" then
if dumped[o] then
return "<circular reference>"
end
dumped[o] = true
local t = {}
for k,v in pairs(o) do
t[#t+1] = "" .. k .. " = " .. dump(v, dumped)
end
return "{" .. table.concat(t, ", ") .. "}"
elseif type(o) == "boolean" then
return tostring(o)
elseif type(o) == "function" then
return "<function>"
elseif type(o) == "userdata" then
return "<userdata>"
elseif type(o) == "nil" then
return "nil"
else
error("cannot dump a " .. type(o))
return nil
end
end
--
-- Built-in node types. Also defined in C.
--
minetest.register_node("air", {
drawtype = "airlike",
paramtype = "light",
light_propagates = true,
sunlight_propagates = true,
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
air_equivalent = true,
})
minetest.register_node("ignore", {
drawtype = "airlike",
paramtype = "none",
light_propagates = false,
sunlight_propagates = false,
walkable = false,
pointable = false,
diggable = false,
buildable_to = true, -- A way to remove accidentally placed ignores
air_equivalent = true,
})