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@@ -27,4 +27,75 @@ function core.override_chatcommand(name, redefinition)
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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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+end
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+
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+local cmd_marker = "/"
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+
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+if INIT == "client" then
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+ cmd_marker = "."
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+end
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+
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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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+
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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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