1 -- Minetest: builtin/game/chatcommands.lua
4 -- Chat command handler
7 core.chatcommands = core.registered_chatcommands -- BACKWARDS COMPATIBILITY
9 core.register_on_chat_message(function(name, message)
10 local cmd, param = string.match(message, "^/([^ ]+) *(.*)")
14 local cmd_def = core.registered_chatcommands[cmd]
18 local has_privs, missing_privs = core.check_player_privs(name, cmd_def.privs)
20 core.set_last_run_mod(cmd_def.mod_origin)
21 local success, message = cmd_def.func(name, param)
23 core.chat_send_player(name, message)
26 core.chat_send_player(name, "You don't have permission"
27 .. " to run this command (missing privileges: "
28 .. table.concat(missing_privs, ", ") .. ")")
30 return true -- Handled chat message
33 if core.setting_getbool("profiler.load") then
34 -- Run after register_chatcommand and its register_on_chat_message
35 -- Before any chattcommands that should be profiled
36 profiler.init_chatcommand()
39 -- Parses a "range" string in the format of "here (number)" or
40 -- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors
41 local function parse_range_str(player_name, str)
43 local args = str:split(" ")
45 if args[1] == "here" then
46 p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2]))
48 return false, "Unable to get player " .. player_name .. " position"
51 p1, p2 = core.string_to_area(str)
53 return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)"
63 core.register_chatcommand("me", {
65 description = "Display chat action (e.g., '/me orders a pizza' displays"
66 .. " '<player name> orders a pizza')",
68 func = function(name, param)
69 core.chat_send_all("* " .. name .. " " .. param)
73 core.register_chatcommand("admin", {
74 description = "Show the name of the server owner",
76 local admin = minetest.setting_get("name")
78 return true, "The administrator of this server is "..admin.."."
80 return false, "There's no administrator named in the config file."
85 core.register_chatcommand("help", {
87 params = "[all/privs/<cmd>]",
88 description = "Get help for commands or list privileges",
89 func = function(name, param)
90 local function format_help_line(cmd, def)
91 local msg = core.colorize("#00ffff", "/"..cmd)
92 if def.params and def.params ~= "" then
93 msg = msg .. " " .. def.params
95 if def.description and def.description ~= "" then
96 msg = msg .. ": " .. def.description
103 for cmd, def in pairs(core.registered_chatcommands) do
104 if core.check_player_privs(name, def.privs) then
105 cmds[#cmds + 1] = cmd
109 return true, "Available commands: " .. table.concat(cmds, " ") .. "\n"
110 .. "Use '/help <cmd>' to get more information,"
111 .. " or '/help all' to list everything."
112 elseif param == "all" then
114 for cmd, def in pairs(core.registered_chatcommands) do
115 if core.check_player_privs(name, def.privs) then
116 cmds[#cmds + 1] = format_help_line(cmd, def)
120 return true, "Available commands:\n"..table.concat(cmds, "\n")
121 elseif param == "privs" then
123 for priv, def in pairs(core.registered_privileges) do
124 privs[#privs + 1] = priv .. ": " .. def.description
127 return true, "Available privileges:\n"..table.concat(privs, "\n")
130 local def = core.registered_chatcommands[cmd]
132 return false, "Command not available: "..cmd
134 return true, format_help_line(cmd, def)
140 core.register_chatcommand("privs", {
142 description = "Print privileges of player",
143 func = function(caller, param)
145 local name = (param ~= "" and param or caller)
146 return true, "Privileges of " .. name .. ": "
147 .. core.privs_to_string(
148 core.get_player_privs(name), ' ')
152 local function handle_grant_command(caller, grantname, grantprivstr)
153 local caller_privs = minetest.get_player_privs(caller)
154 if not (caller_privs.privs or caller_privs.basic_privs) then
155 return false, "Your privileges are insufficient."
158 if not core.get_auth_handler().get_auth(grantname) then
159 return false, "Player " .. grantname .. " does not exist."
161 local grantprivs = core.string_to_privs(grantprivstr)
162 if grantprivstr == "all" then
163 grantprivs = core.registered_privileges
165 local privs = core.get_player_privs(grantname)
166 local privs_unknown = ""
168 core.string_to_privs(core.setting_get("basic_privs") or "interact,shout")
169 for priv, _ in pairs(grantprivs) do
170 if not basic_privs[priv] and not caller_privs.privs then
171 return false, "Your privileges are insufficient."
173 if not core.registered_privileges[priv] then
174 privs_unknown = privs_unknown .. "Unknown privilege: " .. priv .. "\n"
178 if privs_unknown ~= "" then
179 return false, privs_unknown
181 core.set_player_privs(grantname, privs)
182 core.log("action", caller..' granted ('..core.privs_to_string(grantprivs, ', ')..') privileges to '..grantname)
183 if grantname ~= caller then
184 core.chat_send_player(grantname, caller
185 .. " granted you privileges: "
186 .. core.privs_to_string(grantprivs, ' '))
188 return true, "Privileges of " .. grantname .. ": "
189 .. core.privs_to_string(
190 core.get_player_privs(grantname), ' ')
193 core.register_chatcommand("grant", {
194 params = "<name> <privilege>|all",
195 description = "Give privilege to player",
196 func = function(name, param)
197 local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
198 if not grantname or not grantprivstr then
199 return false, "Invalid parameters (see /help grant)"
201 return handle_grant_command(name, grantname, grantprivstr)
205 core.register_chatcommand("grantme", {
206 params = "<privilege>|all",
207 description = "Grant privileges to yourself",
208 func = function(name, param)
210 return false, "Invalid parameters (see /help grantme)"
212 return handle_grant_command(name, name, param)
216 core.register_chatcommand("revoke", {
217 params = "<name> <privilege>|all",
218 description = "Remove privilege from player",
220 func = function(name, param)
221 if not core.check_player_privs(name, {privs=true}) and
222 not core.check_player_privs(name, {basic_privs=true}) then
223 return false, "Your privileges are insufficient."
225 local revoke_name, revoke_priv_str = string.match(param, "([^ ]+) (.+)")
226 if not revoke_name or not revoke_priv_str then
227 return false, "Invalid parameters (see /help revoke)"
228 elseif not core.get_auth_handler().get_auth(revoke_name) then
229 return false, "Player " .. revoke_name .. " does not exist."
231 local revoke_privs = core.string_to_privs(revoke_priv_str)
232 local privs = core.get_player_privs(revoke_name)
234 core.string_to_privs(core.setting_get("basic_privs") or "interact,shout")
235 for priv, _ in pairs(revoke_privs) do
236 if not basic_privs[priv] and
237 not core.check_player_privs(name, {privs=true}) then
238 return false, "Your privileges are insufficient."
241 if revoke_priv_str == "all" then
244 for priv, _ in pairs(revoke_privs) do
248 core.set_player_privs(revoke_name, privs)
249 core.log("action", name..' revoked ('
250 ..core.privs_to_string(revoke_privs, ', ')
251 ..') privileges from '..revoke_name)
252 if revoke_name ~= name then
253 core.chat_send_player(revoke_name, name
254 .. " revoked privileges from you: "
255 .. core.privs_to_string(revoke_privs, ' '))
257 return true, "Privileges of " .. revoke_name .. ": "
258 .. core.privs_to_string(
259 core.get_player_privs(revoke_name), ' ')
263 core.register_chatcommand("setpassword", {
264 params = "<name> <password>",
265 description = "Set player's password",
266 privs = {password=true},
267 func = function(name, param)
268 local toname, raw_password = string.match(param, "^([^ ]+) +(.+)$")
270 toname = param:match("^([^ ]+) *$")
274 return false, "Name field required"
276 local act_str_past = "?"
277 local act_str_pres = "?"
278 if not raw_password then
279 core.set_player_password(toname, "")
280 act_str_past = "cleared"
281 act_str_pres = "clears"
283 core.set_player_password(toname,
284 core.get_password_hash(toname,
287 act_str_pres = "sets"
289 if toname ~= name then
290 core.chat_send_player(toname, "Your password was "
291 .. act_str_past .. " by " .. name)
294 core.log("action", name .. " " .. act_str_pres
295 .. " password of " .. toname .. ".")
297 return true, "Password of player \"" .. toname .. "\" " .. act_str_past
301 core.register_chatcommand("clearpassword", {
303 description = "Set empty password",
304 privs = {password=true},
305 func = function(name, param)
308 return false, "Name field required"
310 core.set_player_password(toname, '')
312 core.log("action", name .. " clears password of " .. toname .. ".")
314 return true, "Password of player \"" .. toname .. "\" cleared"
318 core.register_chatcommand("auth_reload", {
320 description = "Reload authentication data",
321 privs = {server=true},
322 func = function(name, param)
323 local done = core.auth_reload()
324 return done, (done and "Done." or "Failed.")
328 core.register_chatcommand("teleport", {
329 params = "<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>",
330 description = "Teleport to player or position",
331 privs = {teleport=true},
332 func = function(name, param)
333 -- Returns (pos, true) if found, otherwise (pos, false)
334 local function find_free_position_near(pos)
341 for _, d in ipairs(tries) do
342 local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
343 local n = core.get_node_or_nil(p)
345 local def = core.registered_nodes[n.name]
346 if def and not def.walkable then
354 local teleportee = nil
356 p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
360 if p.x and p.y and p.z then
361 local lm = tonumber(minetest.setting_get("map_generation_limit") or 31000)
362 if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm or p.z < -lm or p.z > lm then
363 return false, "Cannot teleport out of map bounds!"
365 teleportee = core.get_player_by_name(name)
368 return true, "Teleporting to "..core.pos_to_string(p)
372 local teleportee = nil
374 local target_name = nil
375 target_name = param:match("^([^ ]+)$")
376 teleportee = core.get_player_by_name(name)
378 local target = core.get_player_by_name(target_name)
383 if teleportee and p then
384 p = find_free_position_near(p)
386 return true, "Teleporting to " .. target_name
387 .. " at "..core.pos_to_string(p)
390 if not core.check_player_privs(name, {bring=true}) then
391 return false, "You don't have permission to teleport other players (missing bring privilege)"
394 local teleportee = nil
396 local teleportee_name = nil
397 teleportee_name, p.x, p.y, p.z = param:match(
398 "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
399 p.x, p.y, p.z = tonumber(p.x), tonumber(p.y), tonumber(p.z)
400 if teleportee_name then
401 teleportee = core.get_player_by_name(teleportee_name)
403 if teleportee and p.x and p.y and p.z then
405 return true, "Teleporting " .. teleportee_name
406 .. " to " .. core.pos_to_string(p)
409 local teleportee = nil
411 local teleportee_name = nil
412 local target_name = nil
413 teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
414 if teleportee_name then
415 teleportee = core.get_player_by_name(teleportee_name)
418 local target = core.get_player_by_name(target_name)
423 if teleportee and p then
424 p = find_free_position_near(p)
426 return true, "Teleporting " .. teleportee_name
427 .. " to " .. target_name
428 .. " at " .. core.pos_to_string(p)
431 return false, 'Invalid parameters ("' .. param
432 .. '") or player not found (see /help teleport)'
436 core.register_chatcommand("set", {
437 params = "[-n] <name> <value> | <name>",
438 description = "Set or read server configuration setting",
439 privs = {server=true},
440 func = function(name, param)
441 local arg, setname, setvalue = string.match(param, "(-[n]) ([^ ]+) (.+)")
442 if arg and arg == "-n" and setname and setvalue then
443 core.setting_set(setname, setvalue)
444 return true, setname .. " = " .. setvalue
446 local setname, setvalue = string.match(param, "([^ ]+) (.+)")
447 if setname and setvalue then
448 if not core.setting_get(setname) then
449 return false, "Failed. Use '/set -n <name> <value>' to create a new setting."
451 core.setting_set(setname, setvalue)
452 return true, setname .. " = " .. setvalue
454 local setname = string.match(param, "([^ ]+)")
456 local setvalue = core.setting_get(setname)
458 setvalue = "<not set>"
460 return true, setname .. " = " .. setvalue
462 return false, "Invalid parameters (see /help set)."
466 local function emergeblocks_callback(pos, action, num_calls_remaining, ctx)
467 if ctx.total_blocks == 0 then
468 ctx.total_blocks = num_calls_remaining + 1
469 ctx.current_blocks = 0
471 ctx.current_blocks = ctx.current_blocks + 1
473 if ctx.current_blocks == ctx.total_blocks then
474 core.chat_send_player(ctx.requestor_name,
475 string.format("Finished emerging %d blocks in %.2fms.",
476 ctx.total_blocks, (os.clock() - ctx.start_time) * 1000))
480 local function emergeblocks_progress_update(ctx)
481 if ctx.current_blocks ~= ctx.total_blocks then
482 core.chat_send_player(ctx.requestor_name,
483 string.format("emergeblocks update: %d/%d blocks emerged (%.1f%%)",
484 ctx.current_blocks, ctx.total_blocks,
485 (ctx.current_blocks / ctx.total_blocks) * 100))
487 core.after(2, emergeblocks_progress_update, ctx)
491 core.register_chatcommand("emergeblocks", {
492 params = "(here [radius]) | (<pos1> <pos2>)",
493 description = "Load (or, if nonexistent, generate) map blocks "
494 .. "contained in area pos1 to pos2",
495 privs = {server=true},
496 func = function(name, param)
497 local p1, p2 = parse_range_str(name, param)
505 start_time = os.clock(),
506 requestor_name = name
509 core.emerge_area(p1, p2, emergeblocks_callback, context)
510 core.after(2, emergeblocks_progress_update, context)
512 return true, "Started emerge of area ranging from " ..
513 core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
517 core.register_chatcommand("deleteblocks", {
518 params = "(here [radius]) | (<pos1> <pos2>)",
519 description = "Delete map blocks contained in area pos1 to pos2",
520 privs = {server=true},
521 func = function(name, param)
522 local p1, p2 = parse_range_str(name, param)
527 if core.delete_area(p1, p2) then
528 return true, "Successfully cleared area ranging from " ..
529 core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
531 return false, "Failed to clear one or more blocks in area"
536 core.register_chatcommand("mods", {
538 description = "List mods installed on the server",
540 func = function(name, param)
541 return true, table.concat(core.get_modnames(), ", ")
545 local function handle_give_command(cmd, giver, receiver, stackstring)
546 core.log("action", giver .. " invoked " .. cmd
547 .. ', stackstring="' .. stackstring .. '"')
548 local itemstack = ItemStack(stackstring)
549 if itemstack:is_empty() then
550 return false, "Cannot give an empty item"
551 elseif not itemstack:is_known() then
552 return false, "Cannot give an unknown item"
554 local receiverref = core.get_player_by_name(receiver)
555 if receiverref == nil then
556 return false, receiver .. " is not a known player"
558 local leftover = receiverref:get_inventory():add_item("main", itemstack)
560 if leftover:is_empty() then
562 elseif leftover:get_count() == itemstack:get_count() then
563 partiality = "could not be "
565 partiality = "partially "
567 -- The actual item stack string may be different from what the "giver"
568 -- entered (e.g. big numbers are always interpreted as 2^16-1).
569 stackstring = itemstack:to_string()
570 if giver == receiver then
571 return true, ("%q %sadded to inventory.")
572 :format(stackstring, partiality)
574 core.chat_send_player(receiver, ("%q %sadded to inventory.")
575 :format(stackstring, partiality))
576 return true, ("%q %sadded to %s's inventory.")
577 :format(stackstring, partiality, receiver)
581 core.register_chatcommand("give", {
582 params = "<name> <ItemString>",
583 description = "Give item to player",
585 func = function(name, param)
586 local toname, itemstring = string.match(param, "^([^ ]+) +(.+)$")
587 if not toname or not itemstring then
588 return false, "Name and ItemString required"
590 return handle_give_command("/give", name, toname, itemstring)
594 core.register_chatcommand("giveme", {
595 params = "<ItemString>",
596 description = "Give item to yourself",
598 func = function(name, param)
599 local itemstring = string.match(param, "(.+)$")
600 if not itemstring then
601 return false, "ItemString required"
603 return handle_give_command("/giveme", name, name, itemstring)
607 core.register_chatcommand("spawnentity", {
608 params = "<EntityName> [<X>,<Y>,<Z>]",
609 description = "Spawn entity at given (or your) position",
610 privs = {give=true, interact=true},
611 func = function(name, param)
612 local entityname, p = string.match(param, "^([^ ]+) *(.*)$")
613 if not entityname then
614 return false, "EntityName required"
616 core.log("action", ("%s invokes /spawnentity, entityname=%q")
617 :format(name, entityname))
618 local player = core.get_player_by_name(name)
619 if player == nil then
620 core.log("error", "Unable to spawn entity, player is nil")
621 return false, "Unable to spawn entity, player is nil"
626 p = core.string_to_pos(p)
628 return false, "Invalid parameters ('" .. param .. "')"
632 core.add_entity(p, entityname)
633 return true, ("%q spawned."):format(entityname)
637 core.register_chatcommand("pulverize", {
639 description = "Destroy item in hand",
640 func = function(name, param)
641 local player = core.get_player_by_name(name)
643 core.log("error", "Unable to pulverize, no player.")
644 return false, "Unable to pulverize, no player."
646 if player:get_wielded_item():is_empty() then
647 return false, "Unable to pulverize, no item in hand."
649 player:set_wielded_item(nil)
650 return true, "An item was pulverized."
655 core.rollback_punch_callbacks = {}
657 core.register_on_punchnode(function(pos, node, puncher)
658 local name = puncher:get_player_name()
659 if core.rollback_punch_callbacks[name] then
660 core.rollback_punch_callbacks[name](pos, node, puncher)
661 core.rollback_punch_callbacks[name] = nil
665 core.register_chatcommand("rollback_check", {
666 params = "[<range>] [<seconds>] [limit]",
667 description = "Check who last touched a node or a node near it"
668 .. " within the time specified by <seconds>. Default: range = 0,"
669 .. " seconds = 86400 = 24h, limit = 5",
670 privs = {rollback=true},
671 func = function(name, param)
672 if not core.setting_getbool("enable_rollback_recording") then
673 return false, "Rollback functions are disabled."
675 local range, seconds, limit =
676 param:match("(%d+) *(%d*) *(%d*)")
677 range = tonumber(range) or 0
678 seconds = tonumber(seconds) or 86400
679 limit = tonumber(limit) or 5
681 return false, "That limit is too high!"
684 core.rollback_punch_callbacks[name] = function(pos, node, puncher)
685 local name = puncher:get_player_name()
686 core.chat_send_player(name, "Checking " .. core.pos_to_string(pos) .. "...")
687 local actions = core.rollback_get_node_actions(pos, range, seconds, limit)
689 core.chat_send_player(name, "Rollback functions are disabled")
692 local num_actions = #actions
693 if num_actions == 0 then
694 core.chat_send_player(name, "Nobody has touched"
695 .. " the specified location in "
696 .. seconds .. " seconds")
699 local time = os.time()
700 for i = num_actions, 1, -1 do
701 local action = actions[i]
702 core.chat_send_player(name,
703 ("%s %s %s -> %s %d seconds ago.")
705 core.pos_to_string(action.pos),
713 return true, "Punch a node (range=" .. range .. ", seconds="
714 .. seconds .. "s, limit=" .. limit .. ")"
718 core.register_chatcommand("rollback", {
719 params = "<player name> [<seconds>] | :<actor> [<seconds>]",
720 description = "Revert actions of a player. Default for <seconds> is 60",
721 privs = {rollback=true},
722 func = function(name, param)
723 if not core.setting_getbool("enable_rollback_recording") then
724 return false, "Rollback functions are disabled."
726 local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)")
727 if not target_name then
728 local player_name = nil
729 player_name, seconds = string.match(param, "([^ ]+) *(%d*)")
730 if not player_name then
731 return false, "Invalid parameters. See /help rollback"
732 .. " and /help rollback_check."
734 target_name = "player:"..player_name
736 seconds = tonumber(seconds) or 60
737 core.chat_send_player(name, "Reverting actions of "
738 .. target_name .. " since "
739 .. seconds .. " seconds.")
740 local success, log = core.rollback_revert_actions_by(
741 target_name, seconds)
744 response = "(log is too long to show)\n"
746 for _, line in pairs(log) do
747 response = response .. line .. "\n"
750 response = response .. "Reverting actions "
751 .. (success and "succeeded." or "FAILED.")
752 return success, response
756 core.register_chatcommand("status", {
757 description = "Print server status",
758 func = function(name, param)
759 return true, core.get_server_status()
763 core.register_chatcommand("time", {
764 params = "<0..23>:<0..59> | <0..24000>",
765 description = "Set time of day",
767 func = function(name, param)
769 local current_time = math.floor(core.get_timeofday() * 1440)
770 local minutes = current_time % 60
771 local hour = (current_time - minutes) / 60
772 return true, ("Current time is %d:%02d"):format(hour, minutes)
774 local player_privs = core.get_player_privs(name)
775 if not player_privs.settime then
776 return false, "You don't have permission to run this command " ..
777 "(missing privilege: settime)."
779 local hour, minute = param:match("^(%d+):(%d+)$")
781 local new_time = tonumber(param)
783 return false, "Invalid time."
785 -- Backward compatibility.
786 core.set_timeofday((new_time % 24000) / 24000)
787 core.log("action", name .. " sets time to " .. new_time)
788 return true, "Time of day changed."
790 hour = tonumber(hour)
791 minute = tonumber(minute)
792 if hour < 0 or hour > 23 then
793 return false, "Invalid hour (must be between 0 and 23 inclusive)."
794 elseif minute < 0 or minute > 59 then
795 return false, "Invalid minute (must be between 0 and 59 inclusive)."
797 core.set_timeofday((hour * 60 + minute) / 1440)
798 core.log("action", ("%s sets time to %d:%02d"):format(name, hour, minute))
799 return true, "Time of day changed."
803 core.register_chatcommand("days", {
804 description = "Display day count",
805 func = function(name, param)
806 return true, "Current day is " .. core.get_day_count()
810 core.register_chatcommand("shutdown", {
811 description = "Shutdown server",
812 params = "[reconnect] [message]",
813 privs = {server=true},
814 func = function(name, param)
815 core.log("action", name .. " shuts down server")
816 core.chat_send_all("*** Server shutting down (operator request).")
817 local reconnect, message = param:match("([^ ]+)(.*)")
818 message = message or ""
819 core.request_shutdown(message:trim(), core.is_yes(reconnect))
823 core.register_chatcommand("ban", {
825 description = "Ban IP of player",
827 func = function(name, param)
829 return true, "Ban list: " .. core.get_ban_list()
831 if not core.get_player_by_name(param) then
832 return false, "No such player."
834 if not core.ban_player(param) then
835 return false, "Failed to ban player."
837 local desc = core.get_ban_description(param)
838 core.log("action", name .. " bans " .. desc .. ".")
839 return true, "Banned " .. desc .. "."
843 core.register_chatcommand("unban", {
844 params = "<name/ip>",
845 description = "Remove IP ban",
847 func = function(name, param)
848 if not core.unban_player_or_ip(param) then
849 return false, "Failed to unban player/IP."
851 core.log("action", name .. " unbans " .. param)
852 return true, "Unbanned " .. param
856 core.register_chatcommand("kick", {
857 params = "<name> [reason]",
858 description = "Kick a player",
860 func = function(name, param)
861 local tokick, reason = param:match("([^ ]+) (.+)")
862 tokick = tokick or param
863 if not core.kick_player(tokick, reason) then
864 return false, "Failed to kick player " .. tokick
866 local log_reason = ""
868 log_reason = " with reason \"" .. reason .. "\""
870 core.log("action", name .. " kicks " .. tokick .. log_reason)
871 return true, "Kicked " .. tokick
875 core.register_chatcommand("clearobjects", {
876 params = "[full|quick]",
877 description = "Clear all objects in world",
878 privs = {server=true},
879 func = function(name, param)
881 if param == "" or param == "full" then
882 options.mode = "full"
883 elseif param == "quick" then
884 options.mode = "quick"
886 return false, "Invalid usage, see /help clearobjects."
889 core.log("action", name .. " clears all objects ("
890 .. options.mode .. " mode).")
891 core.chat_send_all("Clearing all objects. This may take long."
892 .. " You may experience a timeout. (by "
894 core.clear_objects(options)
895 core.log("action", "Object clearing done.")
896 core.chat_send_all("*** Cleared all objects.")
900 core.register_chatcommand("msg", {
901 params = "<name> <message>",
902 description = "Send a private message",
903 privs = {shout=true},
904 func = function(name, param)
905 local sendto, message = param:match("^(%S+)%s(.+)$")
907 return false, "Invalid usage, see /help msg."
909 if not core.get_player_by_name(sendto) then
910 return false, "The player " .. sendto
913 core.log("action", "PM from " .. name .. " to " .. sendto
915 core.chat_send_player(sendto, "PM from " .. name .. ": "
917 return true, "Message sent."
921 core.register_chatcommand("last-login", {
923 description = "Get the last login time of a player",
924 func = function(name, param)
928 local pauth = core.get_auth_handler().get_auth(param)
929 if pauth and pauth.last_login then
930 -- Time in UTC, ISO 8601 format
931 return true, "Last login time was " ..
932 os.date("!%Y-%m-%dT%H:%M:%SZ", pauth.last_login)
934 return false, "Last login time is unknown"