forked from Mirrorlandia_minetest/minetest
102 lines
2.8 KiB
Lua
102 lines
2.8 KiB
Lua
-- Minetest: builtin/common/chatcommands.lua
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core.registered_chatcommands = {}
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function core.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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def.mod_origin = core.get_current_modname() or "??"
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core.registered_chatcommands[cmd] = def
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end
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function core.unregister_chatcommand(name)
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if core.registered_chatcommands[name] then
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core.registered_chatcommands[name] = nil
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else
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core.log("warning", "Not unregistering chatcommand " ..name..
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" because it doesn't exist.")
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end
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end
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function core.override_chatcommand(name, redefinition)
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local chatcommand = core.registered_chatcommands[name]
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assert(chatcommand, "Attempt to override non-existent chatcommand "..name)
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for k, v in pairs(redefinition) do
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rawset(chatcommand, k, v)
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end
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core.registered_chatcommands[name] = chatcommand
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end
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local cmd_marker = "/"
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if INIT == "client" then
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cmd_marker = "."
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end
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local function do_help_cmd(name, param)
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local function format_help_line(cmd, def)
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local msg = core.colorize("#00ffff", cmd_marker .. cmd)
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if def.params and def.params ~= "" then
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msg = msg .. " " .. def.params
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end
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if def.description and def.description ~= "" then
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msg = msg .. ": " .. def.description
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end
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return msg
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end
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if param == "" then
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local cmds = {}
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for cmd, def in pairs(core.registered_chatcommands) do
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if INIT == "client" or core.check_player_privs(name, def.privs) then
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cmds[#cmds + 1] = cmd
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end
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end
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table.sort(cmds)
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return true, "Available commands: " .. table.concat(cmds, " ") .. "\n"
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.. "Use '"..cmd_marker.."help <cmd>' to get more information,"
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.. " or '"..cmd_marker.."help all' to list everything."
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elseif param == "all" then
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local cmds = {}
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for cmd, def in pairs(core.registered_chatcommands) do
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if INIT == "client" or core.check_player_privs(name, def.privs) then
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cmds[#cmds + 1] = format_help_line(cmd, def)
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end
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end
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table.sort(cmds)
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return true, "Available commands:\n"..table.concat(cmds, "\n")
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elseif INIT == "game" and param == "privs" then
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local privs = {}
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for priv, def in pairs(core.registered_privileges) do
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privs[#privs + 1] = priv .. ": " .. def.description
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end
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table.sort(privs)
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return true, "Available privileges:\n"..table.concat(privs, "\n")
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else
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local cmd = param
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local def = core.registered_chatcommands[cmd]
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if not def then
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return false, "Command not available: "..cmd
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else
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return true, format_help_line(cmd, def)
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end
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end
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end
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if INIT == "client" then
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core.register_chatcommand("help", {
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params = "[all/<cmd>]",
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description = "Get help for commands",
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func = function(param)
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return do_help_cmd(nil, param)
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end,
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})
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else
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core.register_chatcommand("help", {
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params = "[all/privs/<cmd>]",
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description = "Get help for commands or list privileges",
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func = do_help_cmd,
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})
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end
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