OMKMKMHeadToTaskExtension.cpp

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/************************************************************************/
/* This file is part of openMask(c) INRIA, CNRS, Universite de Rennes 1 */
/* 1993-2002, thereinafter the Software                                 */
/*                                                                      */
/* The Software has been developped within the Siames Project.          */
/* INRIA, the University of Rennes 1 and CNRS jointly hold intellectual */
/* property rights                                                      */
/*                                                                      */
/* The Software has been registered with the Agence pour la Protection  */
/* des Programmes (APP) under registration number                       */
/* IDDN.FR.001.510008.00.S.P.2001.000.41200                             */
/*                                                                      */
/* This file may be distributed under the terms of the Q Public License */
/* version 1.0 as defined by Trolltech AS of Norway and appearing in    */
/* the file LICENSE.QPL included in the packaging of this file.         */
/*                                                                      */
/* Licensees holding valid specific licenses issued by INRIA, CNRS or   */
/* Universite Rennes 1 for the software may use this file in            */
/* acordance with that specific license                                 */
/************************************************************************/
#include "OMKMKMHeadToTaskExtension.h"
#include "OMKAvatarVisualObject.h"
#include "OMKParametersAccessor.inl"

using namespace OMK ;
using namespace OMK::Type ;

REGISTER_EXTENSION_FACTORY( MKMHeadToTaskExtension, "HeadToTask" ) ;

//-------------------------------------------------------------------------
// constructor
//-------------------------------------------------------------------------
MKMHeadToTaskExtension::MKMHeadToTaskExtension( OMK::ExtensibleSimulatedObject* owner, const Name& id, bool registerExtension ) 
: ExtensionT< MKMHumano >( owner, id, registerExtension ),
  _activate( "HeadingActivation", true ),
  _speed( "HeadingSpeed", 1.0f ),
  _target( "HeadingTarget", Transform() )
{
  owner->addAttribute( _activate ) ;
  owner->addAttribute( _speed ) ;
  owner->addAttribute( _target ) ;
}

//-------------------------------------------------------------------------
// destructor
//-------------------------------------------------------------------------
MKMHeadToTaskExtension::~MKMHeadToTaskExtension()
{
}
bool MKMHeadToTaskExtension::loadExtensionParameters( const ConfigurationParameterDescriptor * node ) 
{
  // Retrieve all the parameters
  _activate.loadParameters( node, "Activation" ) ;
  _speed.loadParameters( node, "Speed" ) ;
  _target.loadParameters( node, "Target" ) ;

  return true ;
}
void MKMHeadToTaskExtension::preComputeParameters()
{
  // Waiting for the avatar master is intialised
  if( getOwner()->_avatarMaster.isInitialized() && _activate.get() )
  {
    Wm4::Vector3f target( _target.get().getTranslate() ) ;  
    mkm::CVector3 pos( getOwner()->_controlMesh.getPosition() ) ;
    float deltaX = -target.X() - pos[mkm::X] ;
    float deltaZ = target.Z() - pos[mkm::Y] ;
    getOwner()->_controlMesh.setOrientationToMoveToward( deltaX, deltaZ, _speed.get(), false ) ;
  }
}

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