static extern int UWK_Update(ref Command cmd);
static extern uint UWK_PostCommand(ref Command command);
/// <summary>
/// Ticks the plugin
/// </summary>
public static void Update()
{
Command cmd = new Command ();
while (true) {
int ret = UWK_Update (ref cmd);
if (ret != 0)
ProcessCommand (ref cmd);
else
break;
}
}
/// <summary>
/// Processes either a return or inbound command
/// </summary>
public static void ProcessCommand(ref Command cmd)
{
if (cmd.src == Source.PLUGIN) {
if (ProcessReturn != null)
ProcessReturn (null, new CommandProcessEventArgs (cmd));
} else {
CommandProcessEventArgs args = new CommandProcessEventArgs (cmd);
if (ProcessInbound != null) {
ProcessInbound (null, args);
}
// post return, ensuring that retcode is valid
if (args.Cmd.retCode == 0)
args.Cmd.retCode = 1;
PostCommand (ref args.Cmd);
}
}
/// <summary>
/// Posts a command to the command queue and retrieves an id number
/// </summary>
public static void PostCommand(ref Command cmd)
{
cmd.id = UWK_PostCommand (ref cmd);
if (cmd.id == 0)
throw new Exception ("Unable to Post Command");
}
public CommandProcessEventArgs(Command cmd)
{
this.Cmd = cmd;
}
public CommandHandler(ref Command cmd)
{
this.cmd = cmd;
Plugin.ProcessReturn += OnProcessReturn;
}
/// <summary>
/// Allocate a new command with the given fourcc and variable number of int/string parameters
/// </summary>
public static Command NewCommand(string fourcc, params object[] parms)
{
Command cmd = new Command ();
cmd.Init ();
cmd.fourcc = fourcc;
foreach (object o in parms) {
if (o.GetType () == typeof(int)) {
cmd.iParams[cmd.numIParams++] = (int)o;
} else if (o.GetType () == typeof(float)) {
cmd.iParams[cmd.numIParams++] = (int) ((float) o );
} else if (o.GetType () == typeof(string)) {
cmd.SetSParam (cmd.numSParams++, (string)o);
} else {
throw new Exception ("Unknown command parameter type: " + o.GetType ());
}
}
return cmd;
}
