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Add chatcommand unregister and override API (#5076)

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Introduces two functions to unregister and override chatcommands.
minetest.unregister_chatcommand("<name>") and
minetest.override_chatcommand("<name>", {<redifinition>})
This commit is contained in:
Elijah Duffy 2017-01-20 10:49:20 -08:00 committed by Loïc Blot
parent dd282e646c
commit efa54f9c46
2 changed files with 22 additions and 0 deletions
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18
builtin/game/chatcommands.lua
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@ -15,6 +15,24 @@ function core.register_chatcommand(cmd, def)
core.registered_chatcommands[cmd] = def core.registered_chatcommands[cmd] = def
end end
function core.unregister_chatcommand(name)
if core.registered_chatcommands[name] then
core.registered_chatcommands[name] = nil
else
core.log("warning", "Not unregistering chatcommand " ..name..
" because it doesn't exist.")
end
end
function core.override_chatcommand(name, redefinition)
local chatcommand = core.registered_chatcommands[name]
assert(chatcommand, "Attempt to override non-existent chatcommand "..name)
for k, v in pairs(redefinition) do
rawset(chatcommand, k, v)
end
core.registered_chatcommands[name] = chatcommand
end
core.register_on_chat_message(function(name, message) core.register_on_chat_message(function(name, message)
local cmd, param = string.match(message, "^/([^ ]+) *(.*)") local cmd, param = string.match(message, "^/([^ ]+) *(.*)")
if not param then if not param then

4
doc/lua_api.txt
View File

@ -2077,6 +2077,10 @@ Call these functions only at load time!
### Other registration functions ### Other registration functions
* `minetest.register_chatcommand(cmd, chatcommand definition)` * `minetest.register_chatcommand(cmd, chatcommand definition)`
* Adds definition to minetest.registered_chatcommands * Adds definition to minetest.registered_chatcommands
* `minetest.override_chatcommand(name, redefinition)`
* Overrides fields of a chatcommand registered with register_chatcommand.
* `minetest.unregister_chatcommand(name)`
* Unregisters a chatcommands registered with register_chatcommand.
* `minetest.register_privilege(name, definition)` * `minetest.register_privilege(name, definition)`
* `definition`: `"description text"` * `definition`: `"description text"`
* `definition`: `{ description = "description text", give_to_singleplayer = boolean}` * `definition`: `{ description = "description text", give_to_singleplayer = boolean}`