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builtin: Unify register wrapper functions and wrap clear_registered_* functions too

master
kwolekr 2015-01-13 12:26:13 -05:00
parent 0fd1ee0380
commit a4a6cc8eb1
2 changed files with 38 additions and 18 deletions
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39
builtin/game/register.lua
View File

@ -368,13 +368,6 @@ end
-- Callback registration
--
local register_biome_raw = core.register_biome
core.registered_biomes = {}
function core.register_biome(biome)
core.registered_biomes[biome.name] = biome
register_biome_raw(biome)
end
local function make_registration()
local t = {}
local registerfunc = function(func) table.insert(t, func) end
@ -387,20 +380,34 @@ local function make_registration_reverse()
return t, registerfunc
end
local function make_registration_wrap(name)
local function make_registration_wrap(reg_fn_name, clear_fn_name)
local list = {}
local full_name = "register_"..name
local orig_func = core[full_name]
core[full_name] = function(def)
table.insert(list, def)
orig_func(def)
local orig_reg_fn = core[reg_fn_name]
core[reg_fn_name] = function(def)
local retval = orig_reg_fn(def)
if retval ~= nil then
if def.name ~= nil then
list[def.name] = def
else
list[retval] = def
end
end
return retval
end
local orig_clear_fn = core[clear_fn_name]
core[clear_fn_name] = function()
list = {}
return orig_clear_fn()
end
return list
end
core.registered_ores = make_registration_wrap("ore")
core.registered_decorations = make_registration_wrap("decoration")
core.registered_biomes = make_registration_wrap("register_biome", "clear_registered_biomes")
core.registered_ores = make_registration_wrap("register_ore", "clear_registered_ores")
core.registered_decorations = make_registration_wrap("register_decoration", "clear_registered_decorations")
core.registered_on_chat_messages, core.register_on_chat_message = make_registration()
core.registered_globalsteps, core.register_globalstep = make_registration()

17
doc/lua_api.txt
View File

@ -417,10 +417,20 @@ the global `minetest.registered_*` tables.
* added to `minetest.registered_items[name]`
* `minetest.register_ore(ore definition)`
* added to `minetest.registered_ores`
* returns an integer uniquely identifying the registered ore
* added to `minetest.registered_ores` with the key of `ore.name`
* if `ore.name` is nil, the key is the returned ID
* `minetest.register_decoration(decoration definition)`
* added to `minetest.registered_decorations`
* returns an integer uniquely identifying the registered decoration
* added to `minetest.registered_decorations` with the key of `decoration.name`
* if `decoration.name` is nil, the key is the returned ID
* `minetest.clear_registered_ores()`
* clears all ores currently registered
* `minetest.clear_registered_decorations()`
* clears all decorations currently registered
Note that in some cases you will stumble upon things that are not contained
in these tables (e.g. when a mod has been removed). Always check for
@ -1679,6 +1689,9 @@ Call these functions only at load time!
* Note: Item must already be defined, (opt)depend on the mod defining it.
* Example: `minetest.override_item("default:mese", {light_source=LIGHT_MAX})`
* `minetest.clear_registered_ores()`
* `minetest.clear_registered_decorations()`
### Global callback registration functions
Call these functions only at load time!