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-- Minetest: builtin/game/chatcommands.lua
--
-- Chat command handler
--
core.chatcommands = core.registered_chatcommands -- BACKWARDS COMPATIBILITY
core.register_on_chat_message(function(name, message)
if message:sub(1,1) ~= "/" then
return
end
local cmd, param = string.match(message, "^/([^ ]+) *(.*)")
if not cmd then
core.chat_send_player(name, "-!- Empty command")
return true
end
param = param or ""
local cmd_def = core.registered_chatcommands[cmd]
if not cmd_def then
core.chat_send_player(name, "-!- Invalid command: " .. cmd)
return true
end
local has_privs, missing_privs = core.check_player_privs(name, cmd_def.privs)
if has_privs then
core.set_last_run_mod(cmd_def.mod_origin)
local success, message = cmd_def.func(name, param)
if message then
core.chat_send_player(name, message)
end
else
core.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)
if core.settings:get_bool("profiler.load") then
-- Run after register_chatcommand and its register_on_chat_message
-- Before any chatcommands that should be profiled
profiler.init_chatcommand()
end
-- Parses a "range" string in the format of "here (number)" or
-- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors
local function parse_range_str(player_name, str)
local p1, p2
local args = str:split(" ")
if args[1] == "here" then
p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2]))
if p1 == nil then
return false, "Unable to get player " .. player_name .. " position"
end
else
p1, p2 = core.string_to_area(str)
if p1 == nil then
return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)"
end
end
return p1, p2
end
--
-- Chat commands
--
core.register_chatcommand("me", {
params = "<action>",
description = "Show chat action (e.g., '/me orders a pizza' displays"
.. " '<player name> orders a pizza')",
privs = {shout=true},
func = function(name, param)
core.chat_send_all("* " .. name .. " " .. param)
end,
})
core.register_chatcommand("admin", {
description = "Show the name of the server owner",
func = function(name)
local admin = core.settings:get("name")
if admin then
return true, "The administrator of this server is " .. admin .. "."
else
return false, "There's no administrator named in the config file."
end
end,
})
core.register_chatcommand("privs", {
params = "[<name>]",
description = "Show privileges of yourself or another player",
func = function(caller, param)
param = param:trim()
local name = (param ~= "" and param or caller)
if not core.player_exists(name) then
return false, "Player " .. name .. " does not exist."
end
return true, "Privileges of " .. name .. ": "
.. core.privs_to_string(
core.get_player_privs(name), ' ')
end,
})
core.register_chatcommand("haspriv", {
params = "<privilege>",
description = "Return list of all online players with privilege.",
privs = {basic_privs = true},
func = function(caller, param)
param = param:trim()
if param == "" then
return false, "Invalid parameters (see /help haspriv)"
end
if not core.registered_privileges[param] then
return false, "Unknown privilege!"
end
local privs = core.string_to_privs(param)
local players_with_priv = {}
for _, player in pairs(core.get_connected_players()) do
local player_name = player:get_player_name()
if core.check_player_privs(player_name, privs) then
table.insert(players_with_priv, player_name)
end
end
return true, "Players online with the \"" .. param .. "\" privilege: " ..
table.concat(players_with_priv, ", ")
end
})
local function handle_grant_command(caller, grantname, grantprivstr)
local caller_privs = core.get_player_privs(caller)
if not (caller_privs.privs or caller_privs.basic_privs) then
return false, "Your privileges are insufficient."
end
if not core.get_auth_handler().get_auth(grantname) then
return false, "Player " .. grantname .. " does not exist."
end
local grantprivs = core.string_to_privs(grantprivstr)
if grantprivstr == "all" then
grantprivs = core.registered_privileges
end
local privs = core.get_player_privs(grantname)
local privs_unknown = ""
local basic_privs =
core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
for priv, _ in pairs(grantprivs) do
if not basic_privs[priv] and not caller_privs.privs then
return false, "Your privileges are insufficient."
end
if not core.registered_privileges[priv] then
privs_unknown = privs_unknown .. "Unknown privilege: " .. priv .. "\n"
end
privs[priv] = true
end
if privs_unknown ~= "" then
return false, privs_unknown
end
for priv, _ in pairs(grantprivs) do
core.run_priv_callbacks(grantname, priv, caller, "grant")
end
core.set_player_privs(grantname, privs)
core.log("action", caller..' granted ('..core.privs_to_string(grantprivs, ', ')..') privileges to '..grantname)
if grantname ~= caller then
core.chat_send_player(grantname, caller
.. " granted you privileges: "
.. core.privs_to_string(grantprivs, ' '))
end
return true, "Privileges of " .. grantname .. ": "
.. core.privs_to_string(
core.get_player_privs(grantname), ' ')
end
core.register_chatcommand("grant", {
params = "<name> (<privilege> | all)",
description = "Give privileges to player",
func = function(name, param)
local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
if not grantname or not grantprivstr then
return false, "Invalid parameters (see /help grant)"
end
return handle_grant_command(name, grantname, grantprivstr)
end,
})
core.register_chatcommand("grantme", {
params = "<privilege> | all",
description = "Grant privileges to yourself",
func = function(name, param)
if param == "" then
return false, "Invalid parameters (see /help grantme)"
end
return handle_grant_command(name, name, param)
end,
})
core.register_chatcommand("revoke", {
params = "<name> (<privilege> | all)",
description = "Remove privileges from player",
privs = {},
func = function(name, param)
if not core.check_player_privs(name, {privs=true}) and
not core.check_player_privs(name, {basic_privs=true}) then
return false, "Your privileges are insufficient."
end
local revoke_name, revoke_priv_str = string.match(param, "([^ ]+) (.+)")
if not revoke_name or not revoke_priv_str then
return false, "Invalid parameters (see /help revoke)"
elseif not core.get_auth_handler().get_auth(revoke_name) then
return false, "Player " .. revoke_name .. " does not exist."
end
local revoke_privs = core.string_to_privs(revoke_priv_str)
local privs = core.get_player_privs(revoke_name)
local basic_privs =
core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
for priv, _ in pairs(revoke_privs) do
if not basic_privs[priv] and
not core.check_player_privs(name, {privs=true}) then
return false, "Your privileges are insufficient."
end
end
if revoke_priv_str == "all" then
revoke_privs = privs
privs = {}
else
for priv, _ in pairs(revoke_privs) do
privs[priv] = nil
end
end
for priv, _ in pairs(revoke_privs) do
core.run_priv_callbacks(revoke_name, priv, name, "revoke")
end
core.set_player_privs(revoke_name, privs)
core.log("action", name..' revoked ('
..core.privs_to_string(revoke_privs, ', ')
..') privileges from '..revoke_name)
if revoke_name ~= name then
core.chat_send_player(revoke_name, name
.. " revoked privileges from you: "
.. core.privs_to_string(revoke_privs, ' '))
end
return true, "Privileges of " .. revoke_name .. ": "
.. core.privs_to_string(
core.get_player_privs(revoke_name), ' ')
end,
})
core.register_chatcommand("setpassword", {
params = "<name> <password>",
description = "Set player's password",
privs = {password=true},
func = function(name, param)
local toname, raw_password = string.match(param, "^([^ ]+) +(.+)$")
if not toname then
toname = param:match("^([^ ]+) *$")
raw_password = nil
end
if not toname then
return false, "Name field required"
end
local act_str_past = "?"
local act_str_pres = "?"
if not raw_password then
core.set_player_password(toname, "")
act_str_past = "cleared"
act_str_pres = "clears"
else
core.set_player_password(toname,
core.get_password_hash(toname,
raw_password))
act_str_past = "set"
act_str_pres = "sets"
end
if toname ~= name then
core.chat_send_player(toname, "Your password was "
.. act_str_past .. " by " .. name)
end
core.log("action", name .. " " .. act_str_pres
.. " password of " .. toname .. ".")
return true, "Password of player \"" .. toname .. "\" " .. act_str_past
end,
})
core.register_chatcommand("clearpassword", {
params = "<name>",
description = "Set empty password for a player",
privs = {password=true},
func = function(name, param)
local toname = param
if toname == "" then
return false, "Name field required"
end
core.set_player_password(toname, '')
core.log("action", name .. " clears password of " .. toname .. ".")
return true, "Password of player \"" .. toname .. "\" cleared"
end,
})
core.register_chatcommand("auth_reload", {
params = "",
description = "Reload authentication data",
privs = {server=true},
func = function(name, param)
local done = core.auth_reload()
return done, (done and "Done." or "Failed.")
end,
})
core.register_chatcommand("remove_player", {
params = "<name>",
description = "Remove a player's data",
privs = {server=true},
func = function(name, param)
local toname = param
if toname == "" then
return false, "Name field required"
end
local rc = core.remove_player(toname)
if rc == 0 then
core.log("action", name .. " removed player data of " .. toname .. ".")
return true, "Player \"" .. toname .. "\" removed."
elseif rc == 1 then
return true, "No such player \"" .. toname .. "\" to remove."
elseif rc == 2 then
return true, "Player \"" .. toname .. "\" is connected, cannot remove."
end
return false, "Unhandled remove_player return code " .. rc .. ""
end,
})
core.register_chatcommand("teleport", {
params = "<X>,<Y>,<Z> | <to_name> | (<name> <X>,<Y>,<Z>) | (<name> <to_name>)",
description = "Teleport to position or player",
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 = core.get_node_or_nil(p)
if n and n.name then
local def = core.registered_nodes[n.name]
if def and not def.walkable then
return p, true
end
end
end
return pos, false
end
local teleportee = nil
local p = {}
p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
p.x = tonumber(p.x)
p.y = tonumber(p.y)
p.z = tonumber(p.z)
if p.x and p.y and p.z then
local lm = 31000
if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm or p.z < -lm or p.z > lm then
return false, "Cannot teleport out of map bounds!"
end
teleportee = core.get_player_by_name(name)
if teleportee then
teleportee:set_pos(p)
return true, "Teleporting to "..core.pos_to_string(p)
end
end
local teleportee = nil
local p = nil
local target_name = nil
target_name = param:match("^([^ ]+)$")
teleportee = core.get_player_by_name(name)
if target_name then
local target = core.get_player_by_name(target_name)
if target then
p = target:get_pos()
end
end
if teleportee and p then
p = find_free_position_near(p)
teleportee:set_pos(p)
return true, "Teleporting to " .. target_name
.. " at "..core.pos_to_string(p)
end
if not core.check_player_privs(name, {bring=true}) then
return false, "You don't have permission to teleport other players (missing bring privilege)"
end
local teleportee = nil
local p = {}
local teleportee_name = nil
teleportee_name, p.x, p.y, p.z = param:match(
"^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
p.x, p.y, p.z = tonumber(p.x), tonumber(p.y), tonumber(p.z)
if teleportee_name then
teleportee = core.get_player_by_name(teleportee_name)
end
if teleportee and p.x and p.y and p.z then
teleportee:set_pos(p)
return true, "Teleporting " .. teleportee_name
.. " to " .. core.pos_to_string(p)
end
local teleportee = nil
local p = nil
local teleportee_name = nil
local target_name = nil
teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
if teleportee_name then
teleportee = core.get_player_by_name(teleportee_name)
end
if target_name then
local target = core.get_player_by_name(target_name)
if target then
p = target:get_pos()
end
end
if teleportee and p then
p = find_free_position_near(p)
teleportee:set_pos(p)
return true, "Teleporting " .. teleportee_name
.. " to " .. target_name
.. " at " .. core.pos_to_string(p)
end
return false, 'Invalid parameters ("' .. param
.. '") or player not found (see /help teleport)'
end,
})
core.register_chatcommand("set", {
params = "([-n] <name> <value>) | <name>",
description = "Set or read server configuration setting",
privs = {server=true},
func = function(name, param)
local arg, setname, setvalue = string.match(param, "(-[n]) ([^ ]+) (.+)")
if arg and arg == "-n" and setname and setvalue then
core.settings:set(setname, setvalue)
return true, setname .. " = " .. setvalue
end
local setname, setvalue = string.match(param, "([^ ]+) (.+)")
if setname and setvalue then
if not core.settings:get(setname) then
return false, "Failed. Use '/set -n <name> <value>' to create a new setting."
end
core.settings:set(setname, setvalue)
return true, setname .. " = " .. setvalue
end
local setname = string.match(param, "([^ ]+)")
if setname then
local setvalue = core.settings:get(setname)
if not setvalue then
setvalue = "<not set>"
end
return true, setname .. " = " .. setvalue
end
return false, "Invalid parameters (see /help set)."
end,
})
local function emergeblocks_callback(pos, action, num_calls_remaining, ctx)
if ctx.total_blocks == 0 then
ctx.total_blocks = num_calls_remaining + 1
ctx.current_blocks = 0
end
ctx.current_blocks = ctx.current_blocks + 1
if ctx.current_blocks == ctx.total_blocks then
core.chat_send_player(ctx.requestor_name,
string.format("Finished emerging %d blocks in %.2fms.",
ctx.total_blocks, (os.clock() - ctx.start_time) * 1000))
end
end
local function emergeblocks_progress_update(ctx)
if ctx.current_blocks ~= ctx.total_blocks then
core.chat_send_player(ctx.requestor_name,
string.format("emergeblocks update: %d/%d blocks emerged (%.1f%%)",
ctx.current_blocks, ctx.total_blocks,
(ctx.current_blocks / ctx.total_blocks) * 100))
core.after(2, emergeblocks_progress_update, ctx)
end
end
core.register_chatcommand("emergeblocks", {
params = "(here [<radius>]) | (<pos1> <pos2>)",
description = "Load (or, if nonexistent, generate) map blocks "
.. "contained in area pos1 to pos2 (<pos1> and <pos2> must be in parentheses)",
privs = {server=true},
func = function(name, param)
local p1, p2 = parse_range_str(name, param)
if p1 == false then
return false, p2
end
local context = {
current_blocks = 0,
total_blocks = 0,
start_time = os.clock(),
requestor_name = name
}
core.emerge_area(p1, p2, emergeblocks_callback, context)
core.after(2, emergeblocks_progress_update, context)
return true, "Started emerge of area ranging from " ..
core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
end,
})
core.register_chatcommand("deleteblocks", {
params = "(here [<radius>]) | (<pos1> <pos2>)",
description = "Delete map blocks contained in area pos1 to pos2 "
.. "(<pos1> and <pos2> must be in parentheses)",
privs = {server=true},
func = function(name, param)
local p1, p2 = parse_range_str(name, param)
if p1 == false then
return false, p2
end
if core.delete_area(p1, p2) then
return true, "Successfully cleared area ranging from " ..
core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
else
return false, "Failed to clear one or more blocks in area"
end
end,
})
core.register_chatcommand("fixlight", {
params = "(here [<radius>]) | (<pos1> <pos2>)",
description = "Resets lighting in the area between pos1 and pos2 "
.. "(<pos1> and <pos2> must be in parentheses)",
privs = {server = true},
func = function(name, param)
local p1, p2 = parse_range_str(name, param)
if p1 == false then
return false, p2
end
if core.fix_light(p1, p2) then
return true, "Successfully reset light in the area ranging from " ..
core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
else
return false, "Failed to load one or more blocks in area"
end
end,
})
core.register_chatcommand("mods", {
params = "",
description = "List mods installed on the server",
privs = {},
func = function(name, param)
return true, table.concat(core.get_modnames(), ", ")
end,
})
local function handle_give_command(cmd, giver, receiver, stackstring)
core.log("action", giver .. " invoked " .. cmd
.. ', stackstring="' .. stackstring .. '"')
local itemstack = ItemStack(stackstring)
if itemstack:is_empty() then
return false, "Cannot give an empty item"
elseif (not itemstack:is_known()) or (itemstack:get_name() == "unknown") then
return false, "Cannot give an unknown item"
-- Forbid giving 'ignore' due to unwanted side effects
elseif itemstack:get_name() == "ignore" then
return false, "Giving 'ignore' is not allowed"
end
local receiverref = core.get_player_by_name(receiver)
if receiverref == nil then
return false, receiver .. " is not a known player"
end
local leftover = receiverref:get_inventory():add_item("main", itemstack)
local partiality
if leftover:is_empty() then
partiality = ""
elseif leftover:get_count() == itemstack:get_count() then
partiality = "could not be "
else
partiality = "partially "
end
-- The actual item stack string may be different from what the "giver"
-- entered (e.g. big numbers are always interpreted as 2^16-1).
stackstring = itemstack:to_string()
if giver == receiver then
local msg = "%q %sadded to inventory."
return true, msg:format(stackstring, partiality)
else
core.chat_send_player(receiver, ("%q %sadded to inventory.")
:format(stackstring, partiality))
local msg = "%q %sadded to %s's inventory."
return true, msg:format(stackstring, partiality, receiver)
end
end
core.register_chatcommand("give", {
params = "<name> <ItemString> [<count> [<wear>]]",
description = "Give item to player",
privs = {give=true},
func = function(name, param)
local toname, itemstring = string.match(param, "^([^ ]+) +(.+)$")
if not toname or not itemstring then
return false, "Name and ItemString required"
end
return handle_give_command("/give", name, toname, itemstring)
end,
})
core.register_chatcommand("giveme", {
params = "<ItemString> [<count> [<wear>]]",
description = "Give item to yourself",
privs = {give=true},
func = function(name, param)
local itemstring = string.match(param, "(.+)$")
if not itemstring then
return false, "ItemString required"
end
return handle_give_command("/giveme", name, name, itemstring)
end,
})
core.register_chatcommand("spawnentity", {
params = "<EntityName> [<X>,<Y>,<Z>]",
description = "Spawn entity at given (or your) position",
privs = {give=true, interact=true},
func = function(name, param)
local entityname, p = string.match(param, "^([^ ]+) *(.*)$")
if not entityname then
return false, "EntityName required"
end
core.log("action", ("%s invokes /spawnentity, entityname=%q")
:format(name, entityname))
local player = core.get_player_by_name(name)
if player == nil then
core.log("error", "Unable to spawn entity, player is nil")
return false, "Unable to spawn entity, player is nil"
end
if not core.registered_entities[entityname] then
return false, "Cannot spawn an unknown entity"
end
if p == "" then
p = player:get_pos()
else
p = core.string_to_pos(p)
if p == nil then
return false, "Invalid parameters ('" .. param .. "')"
end
end
p.y = p.y + 1
core.add_entity(p, entityname)
return true, ("%q spawned."):format(entityname)
end,
})
core.register_chatcommand("pulverize", {
params = "",
description = "Destroy item in hand",
func = function(name, param)
local player = core.get_player_by_name(name)
if not player then
core.log("error", "Unable to pulverize, no player.")
return false, "Unable to pulverize, no player."
end
local wielded_item = player:get_wielded_item()
if wielded_item:is_empty() then
return false, "Unable to pulverize, no item in hand."
end
core.log("action", name .. " pulverized \"" ..
wielded_item:get_name() .. " " .. wielded_item:get_count() .. "\"")
player:set_wielded_item(nil)
return true, "An item was pulverized."
end,
})
-- Key = player name
core.rollback_punch_callbacks = {}
core.register_on_punchnode(function(pos, node, puncher)
local name = puncher and puncher:get_player_name()
if name and core.rollback_punch_callbacks[name] then
core.rollback_punch_callbacks[name](pos, node, puncher)
core.rollback_punch_callbacks[name] = nil
end
end)
core.register_chatcommand("rollback_check", {
params = "[<range>] [<seconds>] [<limit>]",
description = "Check who last touched a node or a node near it"
.. " within the time specified by <seconds>. Default: range = 0,"
.. " seconds = 86400 = 24h, limit = 5",
privs = {rollback=true},
func = function(name, param)
if not core.settings:get_bool("enable_rollback_recording") then
return false, "Rollback functions are disabled."
end
local range, seconds, limit =
param:match("(%d+) *(%d*) *(%d*)")
range = tonumber(range) or 0
seconds = tonumber(seconds) or 86400
limit = tonumber(limit) or 5
if limit > 100 then
return false, "That limit is too high!"
end
core.rollback_punch_callbacks[name] = function(pos, node, puncher)
local name = puncher:get_player_name()
core.chat_send_player(name, "Checking " .. core.pos_to_string(pos) .. "...")
local actions = core.rollback_get_node_actions(pos, range, seconds, limit)
if not actions then
core.chat_send_player(name, "Rollback functions are disabled")
return
end
local num_actions = #actions
if num_actions == 0 then
core.chat_send_player(name, "Nobody has touched"
.. " the specified location in "
.. seconds .. " seconds")
return
end
local time = os.time()
for i = num_actions, 1, -1 do
local action = actions[i]
core.chat_send_player(name,
("%s %s %s -> %s %d seconds ago.")
:format(
core.pos_to_string(action.pos),
action.actor,
action.oldnode.name,
action.newnode.name,
time - action.time))
end
end
return true, "Punch a node (range=" .. range .. ", seconds="
.. seconds .. "s, limit=" .. limit .. ")"
end,
})
core.register_chatcommand("rollback", {
params = "(<name> [<seconds>]) | (:<actor> [<seconds>])",
description = "Revert actions of a player. Default for <seconds> is 60",
privs = {rollback=true},
func = function(name, param)
if not core.settings:get_bool("enable_rollback_recording") then
return false, "Rollback functions are disabled."
end
local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)")
if not target_name then
local player_name = nil
player_name, seconds = string.match(param, "([^ ]+) *(%d*)")
if not player_name then
return false, "Invalid parameters. See /help rollback"
.. " and /help rollback_check."
end
target_name = "player:"..player_name
end
seconds = tonumber(seconds) or 60
core.chat_send_player(name, "Reverting actions of "
.. target_name .. " since "
.. seconds .. " seconds.")
local success, log = core.rollback_revert_actions_by(
target_name, seconds)
local response = ""
if #log > 100 then
response = "(log is too long to show)\n"
else
for _, line in pairs(log) do
response = response .. line .. "\n"
end
end
response = response .. "Reverting actions "
.. (success and "succeeded." or "FAILED.")
return success, response
end,
})
core.register_chatcommand("status", {
description = "Show server status",
func = function(name, param)
local status = core.get_server_status(name, false)
if status and status ~= "" then
return true, status
end
return false, "This command was disabled by a mod or game"
end,
})
core.register_chatcommand("time", {
params = "[<0..23>:<0..59> | <0..24000>]",
description = "Show or set time of day",
privs = {},
func = function(name, param)
if param == "" then
local current_time = math.floor(core.get_timeofday() * 1440)
local minutes = current_time % 60
local hour = (current_time - minutes) / 60
return true, ("Current time is %d:%02d"):format(hour, minutes)
end
local player_privs = core.get_player_privs(name)
if not player_privs.settime then
return false, "You don't have permission to run this command " ..
"(missing privilege: settime)."
end
local hour, minute = param:match("^(%d+):(%d+)$")
if not hour then
local new_time = tonumber(param)
if not new_time then
return false, "Invalid time."
end
-- Backward compatibility.
core.set_timeofday((new_time % 24000) / 24000)
core.log("action", name .. " sets time to " .. new_time)
return true, "Time of day changed."
end
hour = tonumber(hour)
minute = tonumber(minute)
if hour < 0 or hour > 23 then
return false, "Invalid hour (must be between 0 and 23 inclusive)."
elseif minute < 0 or minute > 59 then
return false, "Invalid minute (must be between 0 and 59 inclusive)."
end
core.set_timeofday((hour * 60 + minute) / 1440)
core.log("action", ("%s sets time to %d:%02d"):format(name, hour, minute))
return true, "Time of day changed."
end,
})
core.register_chatcommand("days", {
description = "Show day count since world creation",
func = function(name, param)
return true, "Current day is " .. core.get_day_count()
end
})
core.register_chatcommand("shutdown", {
params = "[<delay_in_seconds> | -1] [reconnect] [<message>]",
description = "Shutdown server (-1 cancels a delayed shutdown)",
privs = {server=true},
func = function(name, param)
local delay, reconnect, message
delay, param = param:match("^%s*(%S+)(.*)")
if param then
reconnect, param = param:match("^%s*(%S+)(.*)")
end
message = param and param:match("^%s*(.+)") or ""
delay = tonumber(delay) or 0
if delay == 0 then
core.log("action", name .. " shuts down server")
core.chat_send_all("*** Server shutting down (operator request).")
end
core.request_shutdown(message:trim(), core.is_yes(reconnect), delay)
end,
})
core.register_chatcommand("ban", {
params = "[<name> | <IP_address>]",
description = "Ban player or show ban list",
privs = {ban=true},
func = function(name, param)
if param == "" then
local ban_list = core.get_ban_list()
if ban_list == "" then
return true, "The ban list is empty."
else
return true, "Ban list: " .. ban_list
end
end
if not core.get_player_by_name(param) then
return false, "No such player."
end
if not core.ban_player(param) then
return false, "Failed to ban player."
end
local desc = core.get_ban_description(param)
core.log("action", name .. " bans " .. desc .. ".")
return true, "Banned " .. desc .. "."
end,
})
core.register_chatcommand("unban", {
params = "<name> | <IP_address>",
description = "Remove player ban",
privs = {ban=true},
func = function(name, param)
if not core.unban_player_or_ip(param) then
return false, "Failed to unban player/IP."
end
core.log("action", name .. " unbans " .. param)
return true, "Unbanned " .. param
end,
})
core.register_chatcommand("kick", {
params = "<name> [<reason>]",
description = "Kick a player",
privs = {kick=true},
func = function(name, param)
local tokick, reason = param:match("([^ ]+) (.+)")
tokick = tokick or param
if not core.kick_player(tokick, reason) then
return false, "Failed to kick player " .. tokick
end
local log_reason = ""
if reason then
log_reason = " with reason \"" .. reason .. "\""
end
core.log("action", name .. " kicks " .. tokick .. log_reason)
return true, "Kicked " .. tokick
end,
})
core.register_chatcommand("clearobjects", {
params = "[full | quick]",
description = "Clear all objects in world",
privs = {server=true},
func = function(name, param)
local options = {}
if param == "" or param == "quick" then
options.mode = "quick"
elseif param == "full" then
options.mode = "full"
else
return false, "Invalid usage, see /help clearobjects."
end
core.log("action", name .. " clears all objects ("
.. options.mode .. " mode).")
core.chat_send_all("Clearing all objects. This may take long."
.. " You may experience a timeout. (by "
.. name .. ")")
core.clear_objects(options)
core.log("action", "Object clearing done.")
core.chat_send_all("*** Cleared all objects.")
end,
})
core.register_chatcommand("msg", {
params = "<name> <message>",
description = "Send a private message",
privs = {shout=true},
func = function(name, param)
local sendto, message = param:match("^(%S+)%s(.+)$")
if not sendto then
return false, "Invalid usage, see /help msg."
end
if not core.get_player_by_name(sendto) then
return false, "The player " .. sendto
.. " is not online."
end
core.log("action", "PM from " .. name .. " to " .. sendto
.. ": " .. message)
core.chat_send_player(sendto, "PM from " .. name .. ": "
.. message)
return true, "Message sent."
end,
})
core.register_chatcommand("last-login", {
params = "[<name>]",
description = "Get the last login time of a player or yourself",
func = function(name, param)
if param == "" then
param = name
end
local pauth = core.get_auth_handler().get_auth(param)
if pauth and pauth.last_login then
-- Time in UTC, ISO 8601 format
return true, "Last login time was " ..
os.date("!%Y-%m-%dT%H:%M:%SZ", pauth.last_login)
end
return false, "Last login time is unknown"
end,
})
core.register_chatcommand("clearinv", {
params = "[<name>]",
description = "Clear the inventory of yourself or another player",
func = function(name, param)
local player
if param and param ~= "" and param ~= name then
if not core.check_player_privs(name, {server=true}) then
return false, "You don't have permission"
.. " to clear another player's inventory (missing privilege: server)"
end
player = core.get_player_by_name(param)
core.chat_send_player(param, name.." cleared your inventory.")
else
player = core.get_player_by_name(name)
end
if player then
player:get_inventory():set_list("main", {})
player:get_inventory():set_list("craft", {})
player:get_inventory():set_list("craftpreview", {})
core.log("action", name.." clears "..player:get_player_name().."'s inventory")
return true, "Cleared "..player:get_player_name().."'s inventory."
else
return false, "Player must be online to clear inventory!"
end
end,
})
local function handle_kill_command(killer, victim)
if core.settings:get_bool("enable_damage") == false then
return false, "Players can't be killed, damage has been disabled."
end
local victimref = core.get_player_by_name(victim)
if victimref == nil then
return false, string.format("Player %s is not online.", victim)
elseif victimref:get_hp() <= 0 then
if killer == victim then
return false, "You are already dead."
else
return false, string.format("%s is already dead.", victim)
end
end
if not killer == victim then
core.log("action", string.format("%s killed %s", killer, victim))
end
-- Kill victim
victimref:set_hp(0)
return true, string.format("%s has been killed.", victim)
end
core.register_chatcommand("kill", {
params = "[<name>]",
description = "Kill player or yourself",
privs = {server=true},
func = function(name, param)
return handle_kill_command(name, param == "" and name or param)
end,
})
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