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config.cpp from Equalizer - Multipipe Rendering at Krugle

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/* Copyright (c) 2006-2007, Stefan Eilemann <eile@equalizergraphics.com> 
   All rights reserved. */

#include "config.h"

using namespace std;

namespace eqVol
{

Config::Config()
        : _running( false ),
          _spinX( 5 ),
          _spinY( 5 )
{
}

Config::~Config()
{
}

bool Config::init()
{
    // init distributed objects
    _frameData.data.color = _initData.useColor();
    registerObject( &_frameData );
    _initData.setFrameDataID( _frameData.getID( ));

    registerObject( &_initData );

    // init config
    _running = eq::Config::init( _initData.getID( ));
    if( !_running )
        return false;
    
    // init tracker
    if( !_initData.getTrackerPort().empty( ))
    {
        if( !_tracker.init( _initData.getTrackerPort() ))
            EQWARN << "Failed to initialise tracker" << endl;
        else
        {
            // Set up position of tracking system in world space
            // Note: this depends on the physical installation.
            vmml::Matrix4f m( vmml::Matrix4f::IDENTITY );
            m.scale( 1.f, 1.f, -1.f );
            //m.x = .5;
            _tracker.setWorldToEmitter( m );

            m = vmml::Matrix4f::IDENTITY;
            m.rotateZ( -M_PI_2 );
            _tracker.setSensorToObject( m );
            EQLOG( eq::LOG_CUSTOM ) << "Tracker initialised" << endl;
        }
    }

    return true;
}

bool Config::exit()
{
    _running = false;
    const bool ret = eq::Config::exit();

    _initData.setFrameDataID( EQ_ID_INVALID );
    deregisterObject( &_initData );
    deregisterObject( &_frameData );

    return ret;
}

uint32_t Config::startFrame()
{
    // update head position
    if( _tracker.isRunning() )
    {
        _tracker.update();
        const vmml::Matrix4f& headMatrix = _tracker.getMatrix();
        setHeadMatrix( headMatrix );
    }

    // update database
    _frameData.data.rotation.preRotateX( -0.001f * _spinX );
    _frameData.data.rotation.preRotateY( -0.001f * _spinY );
    const uint32_t version = _frameData.commit();

    return eq::Config::startFrame( version );
}

bool Config::handleEvent( const eq::ConfigEvent* event )
{
    switch( event->type )
    {
        case eq::ConfigEvent::WINDOW_CLOSE:
            _running = false;
            return true;

        case eq::ConfigEvent::KEY_PRESS:
            switch( event->keyPress.key )
            {
                case 'q':
                case eq::KC_ESCAPE:
                    _running = false;
                    return true;

                case 'r':
                case ' ':
                    _spinX = 0;
                    _spinY = 0;
                    _frameData.reset();
                    return true;
            }
            break;

        case eq::ConfigEvent::POINTER_BUTTON_PRESS:
            if( event->pointerButtonPress.buttons == 
                ( eq::PTR_BUTTON1 | eq::PTR_BUTTON2 | eq::PTR_BUTTON3 ))
            {
                _running = false;
                return true;
            }
            break;

        case eq::ConfigEvent::POINTER_BUTTON_RELEASE:
            if( event->pointerButtonRelease.buttons == eq::PTR_BUTTON_NONE &&
                event->pointerButtonRelease.button  == eq::PTR_BUTTON1 )
            {
                _spinX = event->pointerButtonRelease.dx;
                _spinY = event->pointerButtonRelease.dy;
            }
            return true;

        case eq::ConfigEvent::POINTER_MOTION:
            if( event->pointerMotion.buttons == eq::PTR_BUTTON_NONE )
                return true;

            if( event->pointerMotion.buttons == eq::PTR_BUTTON1 )
            {
                _spinX = 0;
                _spinY = 0;

                _frameData.data.rotation.preRotateX( 
                    -0.005f * event->pointerMotion.dx );
                _frameData.data.rotation.preRotateY(
                    -0.005f * event->pointerMotion.dy );
            }
            else if( event->pointerMotion.buttons == eq::PTR_BUTTON2 ||
                     event->pointerMotion.buttons == ( eq::PTR_BUTTON1 |
                                                       eq::PTR_BUTTON3 ))
            {
                _frameData.data.translation.z +=
                    .005f * event->pointerMotion.dy;
            }
            else if( event->pointerMotion.buttons == eq::PTR_BUTTON3 )
            {
                _frameData.data.translation.x += 
                    .0005f * event->pointerMotion.dx;
                _frameData.data.translation.y -= 
                    .0005f * event->pointerMotion.dy;
            }
            return true;

        default:
            break;
    }
    return eq::Config::handleEvent( event );
}
}

See more files for this project here

Equalizer - Multipipe Rendering

Equalizer is a programming interface and resource management system for scalable graphics applications for clusters and shared memory systems. It is build upon a scalable programming interface solving the problems common to any multipipe application.

Project homepage: http://sourceforge.net/projects/equalizer
Programming language(s): C,C++
License: lgpl21

  eqVol.app/
    Contents/
      MacOS/
  Bucky32x32x32_d.raw
  Bucky32x32x32_d.raw.vhf
  Makefile
  channel.cpp
  channel.h
  config.cpp
  config.h
  eqVol.cpp
  eqVol.h
  frame.h
  frameData.h
  fshader.cg
  fshader.oglsl
  fshader_.oglsl
  hlp.h
  image.h
  initData.cpp
  initData.h
  localInitData.cpp
  localInitData.h
  logo.rgb
  main.cpp
  node.cpp
  node.h
  pipe.cpp
  pipe.h
  rawConverter.cpp
  rawConverter.h
  rawVolModel.cpp
  rawVolModel.h
  shader.cpp
  shader.h
  tracker.cpp
  tracker.h
  vshader.cg
  vshader.lst
  vshader.oglsl
  vshader_.oglsl
  window.cpp
  window.h