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Lua API: Add function to deregister single biomes (#5445)

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zeuner 2017-08-27 16:39:47 +00:00 committed by SmallJoker
parent e09c7fceaa
commit 1f207a3ddb
2 changed files with 19 additions and 0 deletions
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15
builtin/game/register.lua
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@ -505,6 +505,19 @@ local function make_registration_wrap(reg_fn_name, clear_fn_name)
return list
end
local function make_wrap_deregistration(reg_fn, clear_fn, list)
local unregister = function (unregistered_key)
local temporary_list = table.copy(list)
clear_fn()
for k,v in pairs(temporary_list) do
if unregistered_key ~= k then
reg_fn(v)
end
end
end
return unregister
end
core.registered_on_player_hpchanges = { modifiers = { }, loggers = { } }
function core.registered_on_player_hpchange(player, hp_change)
@ -543,6 +556,8 @@ core.registered_biomes = make_registration_wrap("register_biome", "cle
core.registered_ores = make_registration_wrap("register_ore", "clear_registered_ores")
core.registered_decorations = make_registration_wrap("register_decoration", "clear_registered_decorations")
core.unregister_biome = make_wrap_deregistration(core.register_biome, core.clear_registered_biomes, core.registered_biomes)
core.registered_on_chat_messages, core.register_on_chat_message = make_registration()
core.registered_globalsteps, core.register_globalstep = make_registration()
core.registered_playerevents, core.register_playerevent = make_registration()

4
doc/lua_api.txt
View File

@ -715,6 +715,10 @@ the global `minetest.registered_*` tables.
* added to `minetest.registered_biome` with the key of `biome.name`
* if `biome.name` is nil, the key is the returned ID
* `minetest.unregister_biome(name)`
* Unregisters the biome name from engine, and deletes the entry with key
* `name` from `minetest.registered_biome`
* `minetest.register_ore(ore definition)`
* returns an integer uniquely identifying the registered ore
* added to `minetest.registered_ores` with the key of `ore.name`