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