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-- Minetest: builtin/common/chatcommands.lua
-- For server-side translations (if INIT == "game")
-- Otherwise, use core.gettext
local S = core.get_translator("__builtin")
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
local function do_help_cmd(name, param)
local function format_help_line(cmd, def)
local cmd_marker = "/"
if INIT == "client" then
cmd_marker = "."
end
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)
local msg
if INIT == "game" then
msg = S("Available commands: @1",
table.concat(cmds, " ")) .. "\n"
.. S("Use '/help <cmd>' to get more "
.. "information, or '/help all' to list "
.. "everything.")
else
msg = core.gettext("Available commands: ")
.. table.concat(cmds, " ") .. "\n"
.. core.gettext("Use '.help <cmd>' to get more "
.. "information, or '.help all' to list "
.. "everything.")
end
return true, msg
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)
local msg
if INIT == "game" then
msg = S("Available commands:")
else
msg = core.gettext("Available commands:")
end
return true, msg.."\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, S("Available privileges:").."\n"..table.concat(privs, "\n")
else
local cmd = param
local def = core.registered_chatcommands[cmd]
if not def then
local msg
if INIT == "game" then
msg = S("Command not available: @1", cmd)
else
msg = core.gettext("Command not available: ") .. cmd
end
return false, msg
else
return true, format_help_line(cmd, def)
end
end
end
if INIT == "client" then
core.register_chatcommand("help", {
params = core.gettext("[all | <cmd>]"),
description = core.gettext("Get help for commands"),
func = function(param)
return do_help_cmd(nil, param)
end,
})
else
core.register_chatcommand("help", {
params = S("[all | privs | <cmd>]"),
description = S("Get help for commands or list privileges"),
func = do_help_cmd,
})
end
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