Line data    Source code

       1             : 
       2             : /* Copyright (c) 2009-2016, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                          Cedric Stalder <cedric.stalder@gmail.com>
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #include "observer.h"
      20             : 
      21             : #include "config.h"
      22             : #include "global.h"
      23             : #include "view.h"
      24             : 
      25             : #include <co/dataIStream.h>
      26             : #include <co/dataOStream.h>
      27             : 
      28             : namespace eq
      29             : {
      30             : namespace server
      31             : {
      32             : 
      33             : typedef fabric::Observer< Config, Observer > Super;
      34             : 
      35         430 : Observer::Observer( Config* parent )
      36             :         : Super( parent )
      37         430 :         , _state( STATE_ACTIVE )
      38             : {
      39         430 :     _updateEyes();
      40         430 : }
      41             : 
      42         856 : Observer::~Observer()
      43             : {
      44         856 : }
      45             : 
      46          20 : void Observer::setDirty( const uint64_t bits )
      47             : {
      48          20 :     Super::setDirty( bits );
      49          28 :     for( ViewsCIter i = _views.begin(); i != _views.end(); ++i )
      50           8 :         (*i)->setDirty( View::DIRTY_OBSERVER );
      51          20 : }
      52             : 
      53           0 : void Observer::deserialize( co::DataIStream& is, const uint64_t dirtyBits )
      54             : {
      55           0 :     Super::deserialize( is, dirtyBits );
      56             : 
      57           0 :     if( dirtyBits & ( DIRTY_EYE_POSITION | DIRTY_HEAD ))
      58           0 :         _updateEyes();
      59           0 :     if( dirtyBits & DIRTY_FOCUS ||
      60           0 :         ( (dirtyBits & DIRTY_HEAD) && getFocusMode() != FOCUSMODE_FIXED ))
      61             :     {
      62           0 :         _updateViews();
      63             :     }
      64           0 :     if( dirtyBits & DIRTY_HEAD )
      65           0 :         _inverseHeadMatrix = getHeadMatrix().inverse();
      66           0 : }
      67             : 
      68           4 : ServerPtr Observer::getServer()
      69             : {
      70           4 :     Config* config = getConfig();
      71           4 :     LBASSERT( config );
      72           4 :     return ( config ? config->getServer() : 0 );
      73             : }
      74             : 
      75         698 : void Observer::addView( View* view )
      76             : {
      77         698 :     LBASSERT( lunchbox::find( _views, view ) == _views.end( ));
      78         698 :     _views.push_back( view );
      79         698 : }
      80             : 
      81           0 : void Observer::removeView( View* view )
      82             : {
      83           0 :     ViewsIter i = lunchbox::find( _views, view );
      84           0 :     LBASSERT( i != _views.end( ));
      85           0 :     if( i != _views.end( ))
      86           0 :         _views.erase( i );
      87           0 : }
      88             : 
      89           2 : void Observer::init()
      90             : {
      91           2 :     _updateEyes();
      92           2 :     _updateViews();
      93           2 :     _inverseHeadMatrix = getHeadMatrix().inverse();
      94           2 : }
      95             : 
      96         432 : void Observer::_updateEyes()
      97             : {
      98         432 :     const Matrix4f& head = getHeadMatrix();
      99        1728 :     for( size_t i = 0; i < NUM_EYES; ++i )
     100        1296 :         _eyeWorld[ i ] = head * getEyePosition( Eye( 1 << i ));
     101             : 
     102         432 :     LBVERB << "Eye position: " << _eyeWorld[ fabric::EYE_CYCLOP_BIT ]
     103         432 :            << std::endl;
     104         432 : }
     105             : 
     106           2 : void Observer::_updateViews()
     107             : {
     108           4 :     for( ViewsIter i = _views.begin(); i != _views.end(); ++i )
     109           2 :         (*i)->updateFrusta();
     110           2 : }
     111             : 
     112           0 : void Observer::postDelete()
     113             : {
     114           0 :     _state = STATE_DELETE;
     115           0 :     getConfig()->postNeedsFinish();
     116           0 : }
     117             : 
     118             : }
     119             : }
     120             : #include "../fabric/observer.ipp"
     121             : template class eq::fabric::Observer< eq::server::Config, eq::server::Observer >;
     122             : /** @cond IGNORE */
     123             : template std::ostream& eq::fabric::operator << ( std::ostream&,
     124          84 :       const eq::fabric::Observer< eq::server::Config, eq::server::Observer >& );
     125             : /** @endcond */