-- 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
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()