Subtasking

The Subtasking example demonstrates the following:

• How to create and register a new controller
• How to create and register a new process state repository used by that controller
• How to use the User task
• How to use the radio to register for task types
• How to work with and send subtasks

The Subtasking example creates a new controller and process state repository that can be added to an existing VRF object entry (.ope) to handle a turn to heading and a move to waypoint as a single task. When using this example, be sure to load the scenario found in this examples directory.

Since this example is loaded as a plugin, it can be used in conjunction with the released VR-Forces application

How to Run the Example

This example demonstrates how to use the subtasking mechanisim to add a new behavior to an entity.

Usage

Select Settings, Plugins... and on the Plugins Editor page, use the combo box at the top of the page to select the plug-in. Then enable the Load Plugin checkbox and re-start VR-Forces.

To run the application:

1. Start vrfGui
2. Start vrfSim
3. Load the scenario data\scenarios\developer_toolkit_examples\subtask\turnAndMove.scn.
4. Right-click > Information... on the entity to display its information window.
5. Set the Notify level to Info.
6. Click on the play button.

Messages will be displayed in the Object Console tab, at each phase in the entity's behavior as it executes the turn and move behavior.

Classes

DtTurnAndMoveController	This subclass of DtTaskControllerComponent will listen to front-end tasks and implement the subtasking mechanism for a turn and move to.
DtTurnAndMoveControllerPSR	This subclass of DtVrfProcessStateRepository that will keep information about the turn and move task to use when reloaded as part of a scenario.

---

Plugin Entry Points

/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: plugin.cxx,v $ $Revision: 1.3 $ $State: Exp $
*******************************************************************************/

#include "vrfcgf/vrfPluginExtension.h"
#include "turnAndMoveController.h"
#include "turnAndMoveControllerPSR.h"

#include "vrfcgf/cgf.h"
#include "vrfcgf/factoryMgr.h"
#include "vrfobjcore/procSRFact.h"

extern "C" {

   DT_VRF_DLL_PLUGIN void DtPluginInformation(DtVrfPluginInformation& info)
   {
      info.pluginName = "subtask";
      info.pluginVersion = "1.00";
      info.pluginCreator = "MAK Technologies";
      info.pluginCreatorEmail = "sales@mak.com";
      info.pluginContactWebPage = "www.mak.com";
      info.pluginContactMailingAddress = "150 Cambridge Park Drive 3rd Floor - Cambridge, MA 02140 USA";
      info.pluginContactPhone = "(617) 876 8085";
   }

   DT_VRF_DLL_PLUGIN bool DtInitializeVrfPlugin(DtCgf* cgf)
   {
      cgf->factoryManager()->componentFactory()->addCreatorFcn(
         DtTurnAndMoveControllerType, DtTurnAndMoveController::creator);  

      cgf->factoryManager()->processStateRepositoryFactory()->addCreatorFcn(
         DtTurnAndMoveControllerPSRType, DtTurnAndMoveControllerPSR::creator);
      
      return true;
   }
}