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-- Minetest: builtin/common/chatcommands.lua
core.registered_chatcommands = {}
function core.register_chatcommand(cmd, def)
def = def or {}
def.params = def.params or ""
def.description = def.description or ""
def.privs = def.privs or {}
def.mod_origin = core.get_current_modname() or "??"
core.registered_chatcommands[cmd] = def
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
if INIT == "client" then
function core.register_list_command(command, desc, setting)
local def = {}
def.description = desc
def.params = "del <item> | add <item> | list"
function def.func(param)
local list = (minetest.settings:get(setting) or ""):split(",")
if param == "list" then
return true, table.concat(list, ", ")
else
local sparam = param:split(" ")
local cmd = sparam[1]
local item = sparam[2]
if cmd == "del" then
if not item then
return false, "Missing item."
end
local i = table.indexof(list, item)
if i == -1 then
return false, item .. " is not on the list."
else
table.remove(list, i)
core.settings:set(setting, table.concat(list, ","))
return true, "Removed " .. item .. " from the list."
end
elseif cmd == "add" then
if not item then
return false, "Missing item."
end
local i = table.indexof(list, item)
if i ~= -1 then
return false, item .. " is already on the list."
else
table.insert(list, item)
core.settings:set(setting, table.concat(list, ","))
return true, "Added " .. item .. " to the list."
end
end
end
return false, "Invalid usage. (See .help " .. command .. ")"
end
core.register_chatcommand(command, def)
end
end
local cmd_marker = "/"
local function gettext(...)
return ...
end
local function gettext_replace(text, replace)
return text:gsub("$1", replace)
end
if INIT == "client" then
cmd_marker = "."
gettext = core.gettext
gettext_replace = fgettext_ne
end
local function do_help_cmd(name, param)
local function format_help_line(cmd, def)
local msg = core.colorize("#00ffff", cmd_marker .. cmd)
if def.params and def.params ~= "" then
msg = msg .. " " .. def.params
end
if def.description and def.description ~= "" then
msg = msg .. ": " .. def.description
end
return msg
end
if param == "" then
local cmds = {}
for cmd, def in pairs(core.registered_chatcommands) do
if INIT == "client" or core.check_player_privs(name, def.privs) then
cmds[#cmds + 1] = cmd
end
end
table.sort(cmds)
return true, gettext("Available commands: ") .. table.concat(cmds, " ") .. "\n"
.. gettext_replace("Use '$1help <cmd>' to get more information,"
.. " or '$1help all' to list everything.", cmd_marker)
elseif param == "all" then
local cmds = {}
for cmd, def in pairs(core.registered_chatcommands) do
if INIT == "client" or core.check_player_privs(name, def.privs) then
cmds[#cmds + 1] = format_help_line(cmd, def)
end
end
table.sort(cmds)
return true, gettext("Available commands:").."\n"..table.concat(cmds, "\n")
elseif INIT == "game" and param == "privs" then
local privs = {}
for priv, def in pairs(core.registered_privileges) do
privs[#privs + 1] = priv .. ": " .. def.description
end
table.sort(privs)
return true, "Available privileges:\n"..table.concat(privs, "\n")
else
local cmd = param
local def = core.registered_chatcommands[cmd]
if not def then
return false, gettext("Command not available: ")..cmd
else
return true, format_help_line(cmd, def)
end
end
end
if INIT == "client" then
core.register_chatcommand("help", {
params = gettext("[all | <cmd>]"),
description = gettext("Get help for commands"),
func = function(param)
return do_help_cmd(nil, param)
end,
})
else
core.register_chatcommand("help", {
params = "[all | privs | <cmd>]",
description = "Get help for commands or list privileges",
func = do_help_cmd,
})
end
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