Presently, only a few functions are provided. Note the PLID keyword passed to each function. Print a message line on the console. Message is specified as a printf style format string and arguments. Print a message line in the server logs.
Message is specified as a printf style format string and arguments.
A trailing newline is provided by the routine and should not be specified in the string. Prints a message on the center of all players' screens. For instance, a bot usually needs to call the player entity function. You'll need the Half-Life SDK of course, in particular you'll need version 2.1. There seems to be a lot of old copies of version 2.0 still lying around on the net, so you may have to look in several places.