minetest/builtin/emerge/register.lua

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2024-02-13 22:47:30 +01:00
local builtin_shared = ...
-- Copy all the registration tables over
do
local all = assert(core.transferred_globals)
core.transferred_globals = nil
all.registered_nodes = {}
all.registered_craftitems = {}
all.registered_tools = {}
for k, v in pairs(all.registered_items) do
-- Disable further modification
setmetatable(v, {__newindex = {}})
-- Reassemble the other tables
if v.type == "node" then
getmetatable(v).__index = all.nodedef_default
all.registered_nodes[k] = v
elseif v.type == "craft" then
getmetatable(v).__index = all.craftitemdef_default
all.registered_craftitems[k] = v
elseif v.type == "tool" then
getmetatable(v).__index = all.tooldef_default
all.registered_tools[k] = v
else
getmetatable(v).__index = all.noneitemdef_default
end
end
for k, v in pairs(all) do
core[k] = v
end
end
-- For tables that are indexed by item name:
-- If table[X] does not exist, default to table[core.registered_aliases[X]]
local alias_metatable = {
__index = function(t, name)
return rawget(t, core.registered_aliases[name])
end
}
setmetatable(core.registered_items, alias_metatable)
setmetatable(core.registered_nodes, alias_metatable)
setmetatable(core.registered_craftitems, alias_metatable)
setmetatable(core.registered_tools, alias_metatable)
--
-- Callbacks
--
local make_registration = builtin_shared.make_registration
core.registered_on_mods_loaded, core.register_on_mods_loaded = make_registration()
core.registered_on_generateds, core.register_on_generated = make_registration()
core.registered_on_shutdown, core.register_on_shutdown = make_registration()