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-- Minetest: builtin/chatcommands.lua
--
-- Chat commands
--
minetest.chatcommands = {}
function minetest.register_chatcommand(cmd, def)
def = def or {}
def.params = def.params or ""
def.description = def.description or ""
def.privs = def.privs or {}
minetest.chatcommands[cmd] = def
end
-- Register the help command
minetest.register_chatcommand("help", {
privs = {},
params = "(nothing)/all/privs/<cmd>",
description = "Get help for commands or list privileges",
func = function(name, param)
local format_help_line = function(cmd, def)
local msg = "/"..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 msg = ""
cmds = {}
for cmd, def in pairs(minetest.chatcommands) do
if minetest.check_player_privs(name, def.privs) then
table.insert(cmds, cmd)
end
end
minetest.chat_send_player(name, "Available commands: "..table.concat(cmds, " "))
minetest.chat_send_player(name, "Use '/help <cmd>' to get more information, or '/help all' to list everything.")
elseif param == "all" then
minetest.chat_send_player(name, "Available commands:")
for cmd, def in pairs(minetest.chatcommands) do
if minetest.check_player_privs(name, def.privs) then
minetest.chat_send_player(name, format_help_line(cmd, def))
end
end
elseif param == "privs" then
minetest.chat_send_player(name, "Available privileges:")
for priv, def in pairs(minetest.registered_privileges) do
minetest.chat_send_player(name, priv..": "..def.description)
end
else
local cmd = param
def = minetest.chatcommands[cmd]
if not def then
minetest.chat_send_player(name, "Command not available: "..cmd)
else
minetest.chat_send_player(name, format_help_line(cmd, def))
end
end
end,
})
-- Register C++ commands without functions
minetest.register_chatcommand("me", {params = nil, description = "chat action (eg. /me orders a pizza)"})
minetest.register_chatcommand("status", {description = "print server status line"})
minetest.register_chatcommand("shutdown", {params = "", description = "shutdown server", privs = {server=true}})
minetest.register_chatcommand("setting", {params = "<name> = <value>", description = "set line in configuration file", privs = {server=true}})
minetest.register_chatcommand("clearobjects", {params = "", description = "clear all objects in world", privs = {server=true}})
minetest.register_chatcommand("time", {params = "<0...24000>", description = "set time of day", privs = {settime=true}})
minetest.register_chatcommand("ban", {params = "<name>", description = "ban IP of player", privs = {ban=true}})
minetest.register_chatcommand("unban", {params = "<name/ip>", description = "remove IP ban", privs = {ban=true}})
-- Register some other commands
minetest.register_chatcommand("privs", {
params = "<name>",
description = "print out privileges of player",
func = function(name, param)
if param == "" then
param = name
else
if not minetest.check_player_privs(name, {privs=true}) then
minetest.chat_send_player(name, "Privileges of "..param.." are hidden from you.")
end
end
minetest.chat_send_player(name, "Privileges of "..param..": "..minetest.privs_to_string(minetest.get_player_privs(param), ' '))
end,
})
minetest.register_chatcommand("grant", {
params = "<name> <privilege>|all",
description = "Give privilege to player",
privs = {privs=true},
func = function(name, param)
local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
if not grantname or not grantprivstr then
minetest.chat_send_player(name, "Invalid parameters (see /help grant)")
return
end
local grantprivs = minetest.string_to_privs(grantprivstr)
if grantprivstr == "all" then
grantprivs = minetest.registered_privileges
end
local privs = minetest.get_player_privs(grantname)
for priv, _ in pairs(grantprivs) do
privs[priv] = true
end
minetest.set_player_privs(grantname, privs)
minetest.chat_send_player(name, "Privileges of "..grantname..": "..minetest.privs_to_string(minetest.get_player_privs(grantname), ' '))
if grantname ~= name then
minetest.chat_send_player(grantname, name.." granted you privileges: "..minetest.privs_to_string(grantprivs, ' '))
end
end,
})
minetest.register_chatcommand("revoke", {
params = "<name> <privilege>|all",
description = "Remove privilege from player",
privs = {privs=true},
func = function(name, param)
local revokename, revokeprivstr = string.match(param, "([^ ]+) (.+)")
if not revokename or not revokeprivstr then
minetest.chat_send_player(name, "Invalid parameters (see /help revoke)")
return
end
local revokeprivs = minetest.string_to_privs(revokeprivstr)
local privs = minetest.get_player_privs(revokename)
if revokeprivstr == "all" then
privs = {}
else
for priv, _ in pairs(revokeprivs) do
privs[priv] = nil
end
end
minetest.set_player_privs(revokename, privs)
minetest.chat_send_player(name, "Privileges of "..revokename..": "..minetest.privs_to_string(minetest.get_player_privs(revokename), ' '))
if revokename ~= name then
minetest.chat_send_player(revokename, name.." revoked privileges from you: "..minetest.privs_to_string(revokeprivs, ' '))
end
end,
})
minetest.register_chatcommand("setpassword", {
params = "<name> <password>",
description = "set given password",
privs = {password=true},
func = function(name, param)
if param == "" then
minetest.chat_send_player(name, "Password field required")
return
end
minetest.set_player_password(name, param)
minetest.chat_send_player(name, "Password set")
end,
})
minetest.register_chatcommand("clearpassword", {
params = "<name>",
description = "set empty password",
privs = {password=true},
func = function(name, param)
minetest.set_player_password(name, '')
minetest.chat_send_player(name, "Password cleared")
end,
})
minetest.register_chatcommand("auth_reload", {
params = "",
description = "reload authentication data",
privs = {server=true},
func = function(name, param)
local done = minetest.auth_reload()
if done then
minetest.chat_send_player(name, "Done.")
else
minetest.chat_send_player(name, "Failed.")
end
end,
})
minetest.register_chatcommand("teleport", {
params = "<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>",
description = "teleport to given position",
privs = {teleport=true},
func = function(name, param)
-- Returns (pos, true) if found, otherwise (pos, false)
local function find_free_position_near(pos)
local tries = {
{x=1,y=0,z=0},
{x=-1,y=0,z=0},
{x=0,y=0,z=1},
{x=0,y=0,z=-1},
}
for _, d in ipairs(tries) do
local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
local n = minetest.env:get_node(p)
if not minetest.registered_nodes[n.name].walkable then
return p, true
end
end
return pos, false
end
local teleportee = nil
local p = {}
p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
teleportee = minetest.env:get_player_by_name(name)
if teleportee and p.x and p.y and p.z then
minetest.chat_send_player(name, "Teleporting to ("..p.x..", "..p.y..", "..p.z..")")
teleportee:setpos(p)
return
end
local teleportee = nil
local p = nil
local target_name = nil
target_name = string.match(param, "^([^ ]+)$")
teleportee = minetest.env:get_player_by_name(name)
if target_name then
local target = minetest.env:get_player_by_name(target_name)
if target then
p = target:getpos()
end
end
if teleportee and p then
p = find_free_position_near(p)
minetest.chat_send_player(name, "Teleporting to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
teleportee:setpos(p)
return
end
if minetest.check_player_privs(name, {bring=true}) then
local teleportee = nil
local p = {}
local teleportee_name = nil
teleportee_name, p.x, p.y, p.z = string.match(param, "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
if teleportee_name then
teleportee = minetest.env:get_player_by_name(teleportee_name)
end
if teleportee and p.x and p.y and p.z then
minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to ("..p.x..", "..p.y..", "..p.z..")")
teleportee:setpos(p)
return
end
local teleportee = nil
local p = nil
local teleportee_name = nil
local target_name = nil
teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
if teleportee_name then
teleportee = minetest.env:get_player_by_name(teleportee_name)
end
if target_name then
local target = minetest.env:get_player_by_name(target_name)
if target then
p = target:getpos()
end
end
if teleportee and p then
p = find_free_position_near(p)
minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
teleportee:setpos(p)
return
end
end
minetest.chat_send_player(name, "Invalid parameters (\""..param.."\") or player not found (see /help teleport)")
return
end,
})
--
-- Builtin chat handler
--
minetest.register_on_chat_message(function(name, message)
local cmd, param = string.match(message, "/([^ ]+) *(.*)")
if not param then
param = ""
end
local cmd_def = minetest.chatcommands[cmd]
if cmd_def then
if not cmd_def.func then
-- This is a C++ command
return false
else
local has_privs, missing_privs = minetest.check_player_privs(name, cmd_def.privs)
if has_privs then
cmd_def.func(name, param)
else
minetest.chat_send_player(name, "You don't have permission to run this command (missing privileges: "..table.concat(missing_privs, ", ")..")")
end
return true -- handled chat message
end
end
return false
end)
|
