From 1f207a3ddbb5fbe903996a924443d9f9522b48a8 Mon Sep 17 00:00:00 2001 From: zeuner Date: Sun, 27 Aug 2017 16:39:47 +0000 Subject: [PATCH] Lua API: Add function to deregister single biomes (#5445) --- builtin/game/register.lua | 15 +++++++++++++++ doc/lua_api.txt | 4 ++++ 2 files changed, 19 insertions(+) diff --git a/builtin/game/register.lua b/builtin/game/register.lua index 87d1c5659..ad16651f8 100644 --- a/builtin/game/register.lua +++ b/builtin/game/register.lua @@ -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() diff --git a/doc/lua_api.txt b/doc/lua_api.txt index d8e58f2a8..b62fac67d 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -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`