Gammon Forum

function _M.interpret(actor, cmd, ...)

    -- First, check to see that we actually have the command.
    local c = findCommandByPrefix(actor, cmd, CMD_PREFIX_LIMIT)

    if type(c) == "boolean" then
        return c
    end

    -- Check for permission.
    if c.checks then
        for _, check in ipairs(c.checks) do
            local ok, whynot = check(actor)
            if not ok then
                actor:sendText("You can't do that: ", whynot, "\n")
                return true -- we 'handled' the command.
            end
        end
    end

    -- ok, run the command.
    local co = coroutine.create(c.code)
    local result = { coroutine.resume(co, actor, ...) }

    -- first value is true/false; false if errors.
    -- if false, then result[2] is error message.
    if not result[1] then
        actor:sendText("There was an error executing the command.\n")
        actor:sendText("Please be sure to tell an admin about this.\n")
        error(result[2])
    end

    -- Deal with however the command terminated. E.g. we might
    -- need to reschedule the command.
    return handleCommandResult(actor, c, co, result)

end

	/* check for command in character then mud lua first */
	if( call_lua(ch, cmd->fun_name, argument, NULL) == LUA_NOT_FOUND )
		(*cmd->do_fun) ( ch, argument );

-- attempt at dynamic (overwritting internal) function
-- it exists already in C, act_wiz.c
function do_echo(ch, argument)
	mud.msg_game("do_echo lua override: " .. argument, color.immort)
end

makeCommand {
    name = "luaecho",

    usage = "[stuff to echo]",

    brief = [[Echo a string to stdout.]],

    code = function(actor, ...)
        for i = 1, select('#', ...) do
            actor:sendText(i, ":", select(i, ...),
                " (len:", #select(i,...),")\r\n")
                actor:sendText("\n")
        end
    end,

    --checks = {cmdchks.isPc, cmdchks.isImmortal, },
}