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Moved present3D from own repository into core OSG.

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This commit is contained in:
Robert Osfield 2009-04-28 11:57:51 +00:00
parent ff93371cbd
commit 6399de2897
26 changed files with 9040 additions and 0 deletions
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3
applications/CMakeLists.txt
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@ -32,6 +32,9 @@ IF(DYNAMIC_OPENSCENEGRAPH)
ADD_SUBDIRECTORY(osgconv)
ADD_SUBDIRECTORY(osgfilecache)
ADD_SUBDIRECTORY(osgversion)
IF(LIBXML2_FOUND)
ADD_SUBDIRECTORY(present3D)
ENDIF()
ELSE()
# need to define this on win32 or linker cries about _declspecs
ADD_DEFINITIONS(-DOSG_LIBRARY_STATIC)

235
applications/present3D/AnimationMaterial.cpp Normal file
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@ -0,0 +1,235 @@
/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "AnimationMaterial.h"
#include <osg/MatrixTransform>
#include <osg/PositionAttitudeTransform>
#include <osg/Notify>
#include <osg/io_utils>
using namespace ss3d;
void AnimationMaterial::insert(double time,osg::Material* material)
{
_timeControlPointMap[time] = material;
}
bool AnimationMaterial::getMaterial(double time,osg::Material& material) const
{
if (_timeControlPointMap.empty()) return false;
switch(_loopMode)
{
case(SWING):
{
double modulated_time = (time - getFirstTime())/(getPeriod()*2.0);
double fraction_part = modulated_time - floor(modulated_time);
if (fraction_part>0.5) fraction_part = 1.0-fraction_part;
time = getFirstTime()+(fraction_part*2.0) * getPeriod();
break;
}
case(LOOP):
{
double modulated_time = (time - getFirstTime())/getPeriod();
double fraction_part = modulated_time - floor(modulated_time);
time = getFirstTime()+fraction_part * getPeriod();
break;
}
case(NO_LOOPING):
// no need to modulate the time.
break;
}
TimeControlPointMap::const_iterator second = _timeControlPointMap.lower_bound(time);
if (second==_timeControlPointMap.begin())
{
material = *(second->second);
}
else if (second!=_timeControlPointMap.end())
{
TimeControlPointMap::const_iterator first = second;
--first;
// we have both a lower bound and the next item.
// deta_time = second.time - first.time
double delta_time = second->first - first->first;
if (delta_time==0.0)
material = *(first->second);
else
{
interpolate(material,(time - first->first)/delta_time, *first->second, *second->second);
}
}
else // (second==_timeControlPointMap.end())
{
material = *(_timeControlPointMap.rbegin()->second);
}
return true;
}
template<class T>
T interp(float r, const T& lhs, const T& rhs)
{
return lhs*(1.0f-r)+rhs*r;
}
void AnimationMaterial::interpolate(osg::Material& material, float r, const osg::Material& lhs,const osg::Material& rhs) const
{
material.setColorMode(lhs.getColorMode());
material.setAmbient(osg::Material::FRONT_AND_BACK,interp(r, lhs.getAmbient(osg::Material::FRONT),rhs.getAmbient(osg::Material::FRONT)));
if (!material.getAmbientFrontAndBack())
material.setAmbient(osg::Material::BACK,interp(r, lhs.getAmbient(osg::Material::BACK),rhs.getAmbient(osg::Material::BACK)));
material.setDiffuse(osg::Material::FRONT_AND_BACK,interp(r, lhs.getDiffuse(osg::Material::FRONT),rhs.getDiffuse(osg::Material::FRONT)));
if (!material.getDiffuseFrontAndBack())
material.setDiffuse(osg::Material::BACK,interp(r, lhs.getDiffuse(osg::Material::BACK),rhs.getDiffuse(osg::Material::BACK)));
material.setSpecular(osg::Material::FRONT_AND_BACK,interp(r, lhs.getSpecular(osg::Material::FRONT),rhs.getSpecular(osg::Material::FRONT)));
if (!material.getSpecularFrontAndBack())
material.setSpecular(osg::Material::BACK,interp(r, lhs.getSpecular(osg::Material::BACK),rhs.getSpecular(osg::Material::BACK)));
material.setEmission(osg::Material::FRONT_AND_BACK,interp(r, lhs.getEmission(osg::Material::FRONT),rhs.getEmission(osg::Material::FRONT)));
if (!material.getEmissionFrontAndBack())
material.setEmission(osg::Material::BACK,interp(r, lhs.getEmission(osg::Material::BACK),rhs.getEmission(osg::Material::BACK)));
material.setShininess(osg::Material::FRONT_AND_BACK,interp(r, lhs.getShininess(osg::Material::FRONT),rhs.getShininess(osg::Material::FRONT)));
if (!material.getShininessFrontAndBack())
material.setShininess(osg::Material::BACK,interp(r, lhs.getShininess(osg::Material::BACK),rhs.getShininess(osg::Material::BACK)));
}
void AnimationMaterial::read(std::istream& in)
{
while (!in.eof())
{
double time;
osg::Vec4 color;
in >> time >> color[0] >> color[1] >> color[2] >> color[3];
if(!in.eof())
{
osg::Material* material = new osg::Material;
material->setAmbient(osg::Material::FRONT_AND_BACK,color);
material->setDiffuse(osg::Material::FRONT_AND_BACK,color);
insert(time,material);
}
}
}
void AnimationMaterial::write(std::ostream& fout) const
{
const TimeControlPointMap& tcpm = getTimeControlPointMap();
for(TimeControlPointMap::const_iterator tcpmitr=tcpm.begin();
tcpmitr!=tcpm.end();
++tcpmitr)
{
fout<<tcpmitr->first<<" "<<tcpmitr->second->getDiffuse(osg::Material::FRONT)<<std::endl;
}
}
bool AnimationMaterial::requiresBlending() const
{
const TimeControlPointMap& tcpm = getTimeControlPointMap();
for(TimeControlPointMap::const_iterator tcpmitr=tcpm.begin();
tcpmitr!=tcpm.end();
++tcpmitr)
{
if ((tcpmitr->second->getDiffuse(osg::Material::FRONT))[3]!=1.0f) return true;
}
return false;
}
void AnimationMaterialCallback::operator()(osg::Node* node, osg::NodeVisitor* nv)
{
if (_animationMaterial.valid() &&
nv->getVisitorType()==osg::NodeVisitor::UPDATE_VISITOR &&
nv->getFrameStamp())
{
double time = nv->getFrameStamp()->getReferenceTime();
_latestTime = time;
if (!_pause)
{
// Only update _firstTime the first time, when its value is still DBL_MAX
if (_firstTime==DBL_MAX)
{
osg::notify(osg::INFO)<<"AnimationMaterialCallback::operator() resetting _firstTime to "<<time<<std::endl;
_firstTime = time;
}
update(*node);
}
}
// must call any nested node callbacks and continue subgraph traversal.
NodeCallback::traverse(node,nv);
}
double AnimationMaterialCallback::getAnimationTime() const
{
if (_firstTime==DBL_MAX) return 0.0f;
else return ((_latestTime-_firstTime)-_timeOffset)*_timeMultiplier;
}
void AnimationMaterialCallback::update(osg::Node& node)
{
osg::StateSet* stateset = node.getOrCreateStateSet();
osg::Material* material =
dynamic_cast<osg::Material*>(stateset->getAttribute(osg::StateAttribute::MATERIAL));
if (!material)
{
material = new osg::Material;
stateset->setAttribute(material,osg::StateAttribute::OVERRIDE);
}
_animationMaterial->getMaterial(getAnimationTime(),*material);
}
void AnimationMaterialCallback::reset()
{
#if 1
_firstTime = DBL_MAX;
_pauseTime = DBL_MAX;
#else
_firstTime = _latestTime;
_pauseTime = _latestTime;
#endif
}
void AnimationMaterialCallback::setPause(bool pause)
{
if (_pause==pause)
{
return;
}
_pause = pause;
if (_firstTime==DBL_MAX) return;
if (_pause)
{
_pauseTime = _latestTime;
}
else
{
_firstTime += (_latestTime-_pauseTime);
}
}

170
applications/present3D/AnimationMaterial.h Normal file
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@ -0,0 +1,170 @@
/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef OSG_ANIMATIONMATERIAL
#define OSG_ANIMATIONMATERIAL 1
#include <osg/Material>
#include <osg/NodeCallback>
#include <map>
#include <float.h>
namespace ss3d {
/** AnimationMaterial for specify the time varying transformation pathway to use when update camera and model objects.
* Subclassed from Transform::ComputeTransformCallback allows AnimationMaterial to
* be attached directly to Transform nodes to move subgraphs around the scene.
*/
class AnimationMaterial : public virtual osg::Object
{
public:
AnimationMaterial():_loopMode(LOOP) {}
AnimationMaterial(const AnimationMaterial& ap, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
Object(ap,copyop),
_timeControlPointMap(ap._timeControlPointMap),
_loopMode(ap._loopMode) {}
META_Object(osg,AnimationMaterial);
/** get the transformation matrix for a point in time.*/
bool getMaterial(double time,osg::Material& material) const;
void insert(double time,osg::Material* material);
double getFirstTime() const { if (!_timeControlPointMap.empty()) return _timeControlPointMap.begin()->first; else return 0.0;}
double getLastTime() const { if (!_timeControlPointMap.empty()) return _timeControlPointMap.rbegin()->first; else return 0.0;}
double getPeriod() const { return getLastTime()-getFirstTime();}
enum LoopMode
{
SWING,
LOOP,
NO_LOOPING
};
void setLoopMode(LoopMode lm) { _loopMode = lm; }
LoopMode getLoopMode() const { return _loopMode; }
typedef std::map<double, osg::ref_ptr<osg::Material> > TimeControlPointMap;
TimeControlPointMap& getTimeControlPointMap() { return _timeControlPointMap; }
const TimeControlPointMap& getTimeControlPointMap() const { return _timeControlPointMap; }
/** read the anumation path from a flat ascii file stream.*/
void read(std::istream& in);
/** write the anumation path to a flat ascii file stream.*/
void write(std::ostream& out) const;
bool requiresBlending() const;
protected:
virtual ~AnimationMaterial() {}
void interpolate(osg::Material& material, float r, const osg::Material& lhs,const osg::Material& rhs) const;
TimeControlPointMap _timeControlPointMap;
LoopMode _loopMode;
};
class AnimationMaterialCallback : public osg::NodeCallback
{
public:
AnimationMaterialCallback():
_timeOffset(0.0),
_timeMultiplier(1.0),
_firstTime(DBL_MAX),
_latestTime(0.0),
_pause(false),
_pauseTime(0.0) {}
AnimationMaterialCallback(const AnimationMaterialCallback& apc,const osg::CopyOp& copyop):
osg::NodeCallback(apc,copyop),
_animationMaterial(apc._animationMaterial),
_useInverseMatrix(apc._useInverseMatrix),
_timeOffset(apc._timeOffset),
_timeMultiplier(apc._timeMultiplier),
_firstTime(apc._firstTime),
_latestTime(apc._latestTime),
_pause(apc._pause),
_pauseTime(apc._pauseTime) {}
META_Object(osg,AnimationMaterialCallback);
AnimationMaterialCallback(AnimationMaterial* ap,double timeOffset=0.0f,double timeMultiplier=1.0f):
_animationMaterial(ap),
_useInverseMatrix(false),
_timeOffset(timeOffset),
_timeMultiplier(timeMultiplier),
_firstTime(DBL_MAX),
_latestTime(0.0),
_pause(false),
_pauseTime(0.0) {}
void setAnimationMaterial(AnimationMaterial* path) { _animationMaterial = path; }
AnimationMaterial* getAnimationMaterial() { return _animationMaterial.get(); }
const AnimationMaterial* getAnimationMaterial() const { return _animationMaterial.get(); }
void setTimeOffset(double offset) { _timeOffset = offset; }
double getTimeOffset() const { return _timeOffset; }
void setTimeMultiplier(double multiplier) { _timeMultiplier = multiplier; }
double getTimeMultiplier() const { return _timeMultiplier; }
void reset();
void setPause(bool pause);
/** get the animation time that is used to specify the position along the AnimationMaterial.
* Animation time is computed from the formula ((_latestTime-_firstTime)-_timeOffset)*_timeMultiplier.*/
double getAnimationTime() const;
/** implements the callback*/
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
void update(osg::Node& node);
public:
osg::ref_ptr<AnimationMaterial> _animationMaterial;
bool _useInverseMatrix;
double _timeOffset;
double _timeMultiplier;
double _firstTime;
double _latestTime;
bool _pause;
double _pauseTime;
protected:
~AnimationMaterialCallback(){}
};
}
#endif

59
applications/present3D/CMakeLists.txt Normal file
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@ -0,0 +1,59 @@
INCLUDE_DIRECTORIES(${LIBXML2_INCLUDE_DIR} )
SET(TARGET_EXTERNAL_LIBRARIES ${LIBXML2_LIBRARIES})
SET(TARGET_SRC
AnimationMaterial.h
Cluster.h
CompileSlideCallback.h
ExportHTML.h
PickEventHandler.h
PointsEventHandler.h
ReadShowFile.h
ShowEventHandler.h
SlideEventHandler.h
SlideShowConstructor.h
)
SET(TARGET_H
AnimationMaterial.cpp
Cluster.cpp
CompileSlideCallback.cpp
ExportHTML.cpp
PickEventHandler.cpp
PointsEventHandler.cpp
present3D.cpp
ReaderWriterXML.cpp
ReadShowFile.cpp
ShowEventHandler.cpp
SlideEventHandler.cpp
SlideShowConstructor.cpp
)
IF (SDL_FOUND)
OPTION(BUILD_WITH_SDL "Set to ON to build with SDL for joystick support." OFF)
IF (BUILD_WITH_SDL)
SET(TARGET_ADDED_LIBRARIES ${TARGET_ADDED_LIBRARIES} ${SDL_LIBRARY})
SET(EXTERNAL_INCLUDE_DIRS ${EXTERNAL_INCLUDE_DIRS} ${SDL_INCLUDE_DIR})
SET(TARGET_SRC
${TARGET_SRC}
SDLIntegration.cpp
)
SET(TARGET_H
${TARGET_H}
SDLIntegration.h
)
ADD_DEFINITIONS(-DUSE_SDL)
ENDIF(BUILD_WITH_SDL)
ENDIF(SDL_FOUND)
SET(TARGET_ADDED_LIBRARIES osgVolume osgFX)
SETUP_APPLICATION(present3D)

523
applications/present3D/Cluster.cpp Normal file
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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "Cluster.h"
#include <stdio.h>
#include <fcntl.h>
#include <sys/types.h>
#if !defined (WIN32) || defined(__CYGWIN__)
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <net/if.h>
#include <netdb.h>
#endif
#include <string.h>
#if defined(__linux)
#include <unistd.h>
#include <linux/sockios.h>
#elif defined(__FreeBSD__)
#include <unistd.h>
#include <sys/sockio.h>
#elif defined(__sgi)
#include <unistd.h>
#include <net/soioctl.h>
#elif defined(__CYGWIN__)
#include <unistd.h>
#elif defined(__sun)
#include <unistd.h>
#include <sys/sockio.h>
#elif defined (__APPLE__)
#include <unistd.h>
#include <sys/sockio.h>
#elif defined (WIN32)
#include <winsock.h>
#include <stdio.h>
#elif defined (__hpux__)
#include <unistd.h>
#else
#error Teach me how to build on this system
#endif
#include <stdio.h>
#include <fcntl.h>
#include <sys/types.h>
#if defined (WIN32) && !defined(__CYGWIN__)
#include <winsock.h>
#else
#include <unistd.h>
#include <sys/uio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <sys/time.h>
#endif
#include <string.h>
#include <osg/io_utils>
#include <iostream>
const unsigned int CameraPacket::MAX_NUM_EVENTS = 10;
const unsigned int CameraPacket::SWAP_BYTES_COMPARE = 0x12345678;
void DataConverter::write(const osg::FrameStamp& fs)
{
osg::notify(osg::NOTICE)<<"writeFramestamp = "<<fs.getFrameNumber()<<" "<<fs.getReferenceTime()<<std::endl;
writeUInt(fs.getFrameNumber());
writeDouble(fs.getReferenceTime());
}
void DataConverter::read(osg::FrameStamp& fs)
{
fs.setFrameNumber(readUInt());
fs.setReferenceTime(readDouble());
osg::notify(osg::NOTICE)<<"readFramestamp = "<<fs.getFrameNumber()<<" "<<fs.getReferenceTime()<<std::endl;
}
void DataConverter::write(const osg::Matrix& matrix)
{
writeDouble(matrix(0,0));
writeDouble(matrix(0,1));
writeDouble(matrix(0,2));
writeDouble(matrix(0,3));
writeDouble(matrix(1,0));
writeDouble(matrix(1,1));
writeDouble(matrix(1,2));
writeDouble(matrix(1,3));
writeDouble(matrix(2,0));
writeDouble(matrix(2,1));
writeDouble(matrix(2,2));
writeDouble(matrix(2,3));
writeDouble(matrix(3,0));
writeDouble(matrix(3,1));
writeDouble(matrix(3,2));
writeDouble(matrix(3,3));
osg::notify(osg::NOTICE)<<"writeMatrix = "<<matrix<<std::endl;
}
void DataConverter::read(osg::Matrix& matrix)
{
matrix(0,0) = readDouble();
matrix(0,1) = readDouble();
matrix(0,2) = readDouble();
matrix(0,3) = readDouble();
matrix(1,0) = readDouble();
matrix(1,1) = readDouble();
matrix(1,2) = readDouble();
matrix(1,3) = readDouble();
matrix(2,0) = readDouble();
matrix(2,1) = readDouble();
matrix(2,2) = readDouble();
matrix(2,3) = readDouble();
matrix(3,0) = readDouble();
matrix(3,1) = readDouble();
matrix(3,2) = readDouble();
matrix(3,3) = readDouble();
osg::notify(osg::NOTICE)<<"readMatrix = "<<matrix<<std::endl;
}
void DataConverter::write(const osgGA::GUIEventAdapter& event)
{
writeUInt(event.getEventType());
writeUInt(event.getKey());
writeUInt(event.getButton());
writeInt(event.getWindowX());
writeInt(event.getWindowY());
writeUInt(event.getWindowWidth());
writeUInt(event.getWindowHeight());
writeFloat(event.getXmin());
writeFloat(event.getYmin());
writeFloat(event.getXmax());
writeFloat(event.getYmax());
writeFloat(event.getX());
writeFloat(event.getY());
writeUInt(event.getButtonMask());
writeUInt(event.getModKeyMask());
writeDouble(event.getTime());
}
void DataConverter::read(osgGA::GUIEventAdapter& event)
{
event.setEventType((osgGA::GUIEventAdapter::EventType)readUInt());
event.setKey(readUInt());
event.setButton(readUInt());
int x = readInt();
int y = readInt();
int width = readUInt();
int height = readUInt();
event.setWindowRectangle(x,y,width,height);
float xmin = readFloat();
float ymin = readFloat();
float xmax = readFloat();
float ymax = readFloat();
event.setInputRange(xmin,ymin,xmax,ymax);
event.setX(readFloat());
event.setY(readFloat());
event.setButtonMask(readUInt());
event.setModKeyMask(readUInt());
event.setTime(readDouble());
}
void DataConverter::write(CameraPacket& cameraPacket)
{
writeUInt(cameraPacket._byte_order);
writeUInt(cameraPacket._masterKilled);
write(cameraPacket._matrix);
write(cameraPacket._frameStamp);
writeUInt(cameraPacket._events.size());
for(osgGA::EventQueue::Events::iterator itr = cameraPacket._events.begin();
itr != cameraPacket._events.end();
++itr)
{
write(*(*itr));
}
}
void DataConverter::read(CameraPacket& cameraPacket)
{
cameraPacket._byte_order = readUInt();
if (cameraPacket._byte_order != CameraPacket::SWAP_BYTES_COMPARE)
{
_swapBytes = !_swapBytes;
}
cameraPacket._masterKilled = readUInt();
read(cameraPacket._matrix);
read(cameraPacket._frameStamp);
cameraPacket._events.clear();
unsigned int numEvents = readUInt();
for(unsigned int i=0;i<numEvents;++i)
{
osgGA::GUIEventAdapter* event = new osgGA::GUIEventAdapter;
read(*(event));
cameraPacket._events.push_back(event);
}
}
void CameraPacket::readEventQueue(osgViewer::Viewer& viewer)
{
_events.clear();
viewer.getEventQueue()->copyEvents(_events);
osg::notify(osg::INFO)<<"written events = "<<_events.size()<<std::endl;
}
void CameraPacket::writeEventQueue(osgViewer::Viewer& viewer)
{
osg::notify(osg::INFO)<<"recieved events = "<<_events.size()<<std::endl;
// copy the events to osgProducer style events.
viewer.getEventQueue()->appendEvents(_events);
}
//////////////////////////////////////////////////////////////////////////////
//
// Reciever
//
Receiver::Receiver( void )
{
_port = 0;
_initialized = false;
_buffer = 0L;
}
Receiver::~Receiver( void )
{
#if defined (WIN32) && !defined(__CYGWIN__)
closesocket( _so);
#else
close( _so );
#endif
}
bool Receiver::init( void )
{
#if defined(WIN32) && !defined(__CYGWIN__)
WORD version = MAKEWORD(1,1);
WSADATA wsaData;
// First, we start up Winsock
WSAStartup(version, &wsaData);
#endif
if( _port == 0 )
{
fprintf( stderr, "Receiver::init() - port not defined\n" );
return false;
}
if( (_so = socket( AF_INET, SOCK_DGRAM, 0 )) < 0 )
{
perror( "Socket" );
return false;
}
#if defined (WIN32) && !defined(__CYGWIN__)
// const BOOL on = TRUE;
// setsockopt( _so, SOL_SOCKET, SO_REUSEADDR, (const char*) &on, sizeof(int));
#else
int on = 1;
setsockopt( _so, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
#endif
// struct sockaddr_in saddr;
saddr.sin_family = AF_INET;
saddr.sin_port = htons( _port );
#if defined (WIN32) && !defined(__CYGWIN__)
saddr.sin_addr.s_addr = htonl(INADDR_ANY);
#else
saddr.sin_addr.s_addr = 0;
#endif
if( bind( _so, (struct sockaddr *)&saddr, sizeof( saddr )) < 0 )
{
perror( "bind" );
return false;
}
_initialized = true;
return _initialized;
}
void Receiver::setPort( const short port )
{
_port = port;
}
void Receiver::setBuffer( void *buffer, const unsigned int size )
{
_buffer = buffer;
_buffer_size = size;
}
void Receiver::sync( void )
{
if(!_initialized) init();
if( _buffer == 0L )
{
fprintf( stderr, "Receiver::sync() - No buffer\n" );
return;
}
#if defined(__linux) || defined(__FreeBSD__) || defined( __APPLE__ )
socklen_t
#else
int
#endif
size = sizeof( struct sockaddr_in );
fd_set fdset;
FD_ZERO( &fdset );
FD_SET( _so, &fdset );
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
#if defined (WIN32) && !defined(__CYGWIN__)
// saddr.sin_port = htons( _port );
recvfrom( _so, (char *)_buffer, _buffer_size, 0, (sockaddr*)&saddr, &size );
// recvfrom(sock_Receive, szMessage, 256, 0, (sockaddr*)&addr_Cli, &clilen)
int err = WSAGetLastError ();
int *dum = (int*) _buffer;
while( select( _so+1, &fdset, 0L, 0L, &tv ) )
{
if( FD_ISSET( _so, &fdset ) )
{
recvfrom( _so, (char *)_buffer, _buffer_size, 0, (sockaddr*)&saddr, &size );
}
}
#else
recvfrom( _so, (caddr_t)_buffer, _buffer_size, 0, 0, &size );
while( select( _so+1, &fdset, 0L, 0L, &tv ) )
{
if( FD_ISSET( _so, &fdset ) )
{
recvfrom( _so, (caddr_t)_buffer, _buffer_size, 0, 0, &size );
}
}
#endif
}
//////////////////////////////////////////////////////////////////////////////
//
// Broadcaster
//
Broadcaster::Broadcaster( void )
{
_port = 0;
_initialized = false;
_buffer = 0L;
_address = 0;
}
Broadcaster::~Broadcaster( void )
{
#if defined (WIN32) && !defined(__CYGWIN__)
closesocket( _so);
#else
close( _so );
#endif
}
bool Broadcaster::init( void )
{
#if defined (WIN32) && !defined(__CYGWIN__)
WORD version = MAKEWORD(1,1);
WSADATA wsaData;
// First, we start up Winsock
WSAStartup(version, &wsaData);
#endif
if( _port == 0 )
{
fprintf( stderr, "Broadcaster::init() - port not defined\n" );
return false;
}
if( (_so = socket( AF_INET, SOCK_DGRAM, 0 )) < 0 )
{
perror( "Socket" );
return false;
}
#if defined (WIN32) && !defined(__CYGWIN__)
const BOOL on = TRUE;
#else
int on = 1;
#endif
#if defined (WIN32) && !defined(__CYGWIN__)
setsockopt( _so, SOL_SOCKET, SO_REUSEADDR, (const char *) &on, sizeof(int));
#else
setsockopt( _so, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
#endif
saddr.sin_family = AF_INET;
saddr.sin_port = htons( _port );
if( _address == 0 )
{
#if defined (WIN32) && !defined(__CYGWIN__)
setsockopt( _so, SOL_SOCKET, SO_BROADCAST, (const char *) &on, sizeof(int));
#else
setsockopt( _so, SOL_SOCKET, SO_BROADCAST, &on, sizeof(on));
#endif
#if !defined (WIN32) || defined(__CYGWIN__)
struct ifreq ifr;
#endif
#if defined (__linux) || defined(__CYGWIN__)
strcpy( ifr.ifr_name, "eth0" );
#elif defined(__sun)
strcpy( ifr.ifr_name, "hme0" );
#elif !defined (WIN32)
strcpy( ifr.ifr_name, "ef0" );
#endif
#if defined (WIN32) // get the server address
saddr.sin_addr.s_addr = htonl(INADDR_BROADCAST);
}
#else
if( (ioctl( _so, SIOCGIFBRDADDR, &ifr)) < 0 )
{
perror( "Broadcaster::init() Cannot get Broadcast Address" );
return false;
}
saddr.sin_addr.s_addr = (((sockaddr_in *)&ifr.ifr_broadaddr)->sin_addr.s_addr);
}
else
{
saddr.sin_addr.s_addr = _address;
}
#endif
#define _VERBOSE 1
#ifdef _VERBOSE
unsigned char *ptr = (unsigned char *)&saddr.sin_addr.s_addr;
printf( "Broadcast address : %u.%u.%u.%u\n", ptr[0], ptr[1], ptr[2], ptr[3] );
#endif
_initialized = true;
return _initialized;
}
void Broadcaster::setHost( const char *hostname )
{
struct hostent *h;
if( (h = gethostbyname( hostname )) == 0L )
{
fprintf( stderr, "Broadcaster::setHost() - Cannot resolv an address for \"%s\".\n", hostname );
_address = 0;
}
else
_address = *(( unsigned long *)h->h_addr);
}
void Broadcaster::setPort( const short port )
{
_port = port;
}
void Broadcaster::setBuffer( void *buffer, const unsigned int size )
{
_buffer = buffer;
_buffer_size = size;
}
void Broadcaster::sync( void )
{
if(!_initialized) init();
if( _buffer == 0L )
{
fprintf( stderr, "Broadcaster::sync() - No buffer\n" );
return;
}
#if defined (WIN32) && !defined(__CYGWIN__)
unsigned int size = sizeof( SOCKADDR_IN );
sendto( _so, (const char *)_buffer, _buffer_size, 0, (struct sockaddr *)&saddr, size );
int err = WSAGetLastError ();
int *dum = (int*) _buffer;
#else
unsigned int size = sizeof( struct sockaddr_in );
sendto( _so, (const void *)_buffer, _buffer_size, 0, (struct sockaddr *)&saddr, size );
#endif
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef CLUSTER_H
#define CLUSTER_H
#include <osg/Matrix>
#include <osg/FrameStamp>
#include <osgViewer/Viewer>
#if !defined(WIN32) || defined(__CYGWIN__)
#include <netinet/in.h>
#else
#include "winsock.h"
#endif
////////////////////////////////////////////////////////////
// Receiver.h
//
// Class definition for the recipient of a broadcasted message
//
class Receiver
{
public :
Receiver();
~Receiver();
// setBuffer defines the buffer into which the broadcasted
// message will be received.
void setBuffer( void *buffer, const unsigned int size );
// Define what port to listen and bind to
void setPort( const short port );
// Sync does a blocking wait to recieve next message
void sync( void );
private :
bool init( void );
private :
#if defined (WIN32) && !defined(__CYGWIN__)
SOCKET _so;
SOCKADDR_IN saddr;
#else
int _so;
struct sockaddr_in saddr;
#endif
bool _initialized;
short _port;
void *_buffer;
unsigned int _buffer_size;
};
////////////////////////////////////////////////////////////
// Broadcaster.h
//
// Class definition for broadcasting a buffer to a LAN
//
class Broadcaster
{
public :
Broadcaster( void );
~Broadcaster( void );
// Set the broadcast port
void setPort( const short port );
// Set the buffer to be broadcast
void setBuffer( void *buffer, const unsigned int buffer_size );
// Set a recipient host. If this is used, the Broadcaster
// no longer broadcasts, but rather directs UDP packets at
// host.
void setHost( const char *hostname );
// Sync broadcasts the buffer
void sync( void );
private :
bool init( void );
private :
#if defined(WIN32) && !defined(__CYGWIN__)
SOCKET _so;
#else
int _so;
#endif
bool _initialized;
short _port;
void *_buffer;
unsigned int _buffer_size;
#if defined(WIN32) && !defined(__CYGWIN__)
SOCKADDR_IN saddr;
#else
struct sockaddr_in saddr;
#endif
unsigned long _address;
};
class CameraPacket {
public:
static const unsigned int MAX_NUM_EVENTS;
static const unsigned int SWAP_BYTES_COMPARE;
CameraPacket():_masterKilled(false)
{
_byte_order = SWAP_BYTES_COMPARE;
}
void setPacket(const osg::Matrix& matrix,const osg::FrameStamp* frameStamp)
{
_matrix = matrix;
if (frameStamp)
{
_frameStamp = *frameStamp;
}
}
void getModelView(osg::Matrix& matrix,float angle_offset=0.0f)
{
matrix = _matrix * osg::Matrix::rotate(osg::DegreesToRadians(angle_offset),0.0f,1.0f,0.0f);
}
void readEventQueue(osgViewer::Viewer& viewer);
void writeEventQueue(osgViewer::Viewer& viewer);
void setMasterKilled(const bool flag) { _masterKilled = flag; }
const bool getMasterKilled() const { return _masterKilled; }
unsigned int _byte_order;
bool _masterKilled;
osg::Matrix _matrix;
// note don't use a ref_ptr as used elsewhere for FrameStamp
// since we don't want to copy the pointer - but the memory.
// FrameStamp doesn't have a private destructor to allow
// us to do this, even though its a reference counted object.
osg::FrameStamp _frameStamp;
osgGA::EventQueue::Events _events;
};
class DataConverter
{
public:
DataConverter(unsigned int numBytes):
_startPtr(0),
_endPtr(0),
_swapBytes(false),
_currentPtr(0)
{
_currentPtr = _startPtr = new char[numBytes];
_endPtr = _startPtr+numBytes;
_numBytes = numBytes;
}
char* _startPtr;
char* _endPtr;
unsigned int _numBytes;
bool _swapBytes;
char* _currentPtr;
void reset()
{
_currentPtr = _startPtr;
}
inline void write1(char* ptr)
{
if (_currentPtr+1>=_endPtr) return;
*(_currentPtr++) = *(ptr);
}
inline void read1(char* ptr)
{
if (_currentPtr+1>=_endPtr) return;
*(ptr) = *(_currentPtr++);
}
inline void write2(char* ptr)
{
if (_currentPtr+2>=_endPtr) return;
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr);
}
inline void read2(char* ptr)
{
if (_currentPtr+2>=_endPtr) return;
if (_swapBytes)
{
*(ptr+1) = *(_currentPtr++);
*(ptr) = *(_currentPtr++);
}
else
{
*(ptr++) = *(_currentPtr++);
*(ptr) = *(_currentPtr++);
}
}
inline void write4(char* ptr)
{
if (_currentPtr+4>=_endPtr) return;
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr);
}
inline void read4(char* ptr)
{
if (_currentPtr+4>=_endPtr) return;
if (_swapBytes)
{
*(ptr+3) = *(_currentPtr++);
*(ptr+2) = *(_currentPtr++);
*(ptr+1) = *(_currentPtr++);
*(ptr) = *(_currentPtr++);
}
else
{
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr) = *(_currentPtr++);
}
}
inline void write8(char* ptr)
{
if (_currentPtr+8>=_endPtr) return;
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr++);
*(_currentPtr++) = *(ptr);
}
inline void read8(char* ptr)
{
char* endPtr = _currentPtr+8;
if (endPtr>=_endPtr) return;
if (_swapBytes)
{
*(ptr+7) = *(_currentPtr++);
*(ptr+6) = *(_currentPtr++);
*(ptr+5) = *(_currentPtr++);
*(ptr+4) = *(_currentPtr++);
*(ptr+3) = *(_currentPtr++);
*(ptr+2) = *(_currentPtr++);
*(ptr+1) = *(_currentPtr++);
*(ptr) = *(_currentPtr++);
}
else
{
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr++) = *(_currentPtr++);
*(ptr) = *(_currentPtr++);
}
}
inline void writeChar(char c) { write1(&c); }
inline void writeUChar(unsigned char c) { write1((char*)&c); }
inline void writeShort(short c) { write2((char*)&c); }
inline void writeUShort(unsigned short c) { write2((char*)&c); }
inline void writeInt(int c) { write4((char*)&c); }
inline void writeUInt(unsigned int c) { write4((char*)&c); }
inline void writeFloat(float c) { write4((char*)&c); }
inline void writeDouble(double c) { write8((char*)&c); }
inline char readChar() { char c; read1(&c); return c; }
inline unsigned char readUChar() { unsigned char c; read1((char*)&c); return c; }
inline short readShort() { short c; read2((char*)&c); return c; }
inline unsigned short readUShort() { unsigned short c; read2((char*)&c); return c; }
inline int readInt() { int c; read4((char*)&c); return c; }
inline unsigned int readUInt() { unsigned int c; read4((char*)&c); return c; }
inline float readFloat() { float c; read4((char*)&c); return c; }
inline double readDouble() { double c; read8((char*)&c); return c; }
void write(const osg::FrameStamp& fs);
void read(osg::FrameStamp& fs);
void write(const osg::Matrix& matrix);
void read(osg::Matrix& matrix);
void write(const osgGA::GUIEventAdapter& event);
void read(osgGA::GUIEventAdapter& event);
void write(CameraPacket& cameraPacket);
void read(CameraPacket& cameraPacket);
};
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "CompileSlideCallback.h"
#include <osgUtil/GLObjectsVisitor>
using namespace ss3d;
void CompileSlideCallback::operator()(const osg::Camera & camera) const
{
osg::GraphicsContext* context = const_cast<osg::GraphicsContext*>(camera.getGraphicsContext());
if (!context) return;
osg::State* state = context->getState();
if (!state) return;
const osg::FrameStamp* fs = state->getFrameStamp();
if (!fs) return;
if (_needCompile)
{
_frameNumber = fs->getFrameNumber();
_needCompile = false;
}
if (_frameNumber!=fs->getFrameNumber()) return;
osgUtil::GLObjectsVisitor globjVisitor(osgUtil::GLObjectsVisitor::COMPILE_DISPLAY_LISTS|
osgUtil::GLObjectsVisitor::COMPILE_STATE_ATTRIBUTES);
globjVisitor.setTraversalMode(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN);
globjVisitor.setNodeMaskOverride(0xffffffff);
globjVisitor.setState(state);
_sceneToCompile->accept(globjVisitor);
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef OSG_COMPILESLIDECALLBACK
#define OSG_COMPILESLIDECALLBACK 1
#include <osgViewer/Viewer>
namespace ss3d {
class CompileSlideCallback : public osg::Camera::DrawCallback
{
public:
CompileSlideCallback():
_needCompile(false),
_frameNumber(0) {}
virtual void operator()(const osg::Camera& camera) const;
void needCompile(osg::Node* node) { _needCompile=true; _sceneToCompile = node; }
protected:
virtual ~CompileSlideCallback() {}
mutable bool _needCompile;
mutable int _frameNumber;
osg::ref_ptr<osg::Node> _sceneToCompile;
};
}
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "ExportHTML.h"
#include <osgDB/FileNameUtils>
#include <osgDB/WriteFile>
#include <sstream>
#include <iostream>
template<typename A, typename B, typename C>
std::string createString(const A& a, const B& b, const C& c)
{
std::ostringstream hos;
hos << a << b << c;
return hos.str();
}
template<typename A, typename B, typename C, typename D>
std::string createString(const A& a, const B& b, const C& c, const D& d)
{
std::ostringstream hos;
hos << a << b << c << d;
return hos.str();
}
class SnapImageDrawCallback : public osg::Camera::DrawCallback
{
public:
SnapImageDrawCallback():
_snapImageOnNextFrame(false)
{
}
void setFileName(const std::string& filename) { _filename = filename; }
const std::string& getFileName() const { return _filename; }
void setSnapImageOnNextFrame(bool flag) { _snapImageOnNextFrame = flag; }
bool getSnapImageOnNextFrame() const { return _snapImageOnNextFrame; }
virtual void operator () (const osg::Camera& camera) const
{
if (!_snapImageOnNextFrame) return;
int x = static_cast<int>(camera.getViewport()->x());
int y = static_cast<int>(camera.getViewport()->y());
unsigned int width = static_cast<unsigned int>(camera.getViewport()->width());
unsigned int height = static_cast<unsigned int>(camera.getViewport()->height());
osg::ref_ptr<osg::Image> image = new osg::Image;
image->readPixels(x,y,width,height,
GL_RGB,GL_UNSIGNED_BYTE);
if (osgDB::writeImageFile(*image,_filename))
{
osg::notify(osg::NOTICE) << "Saved screen image to `"<<_filename<<"`"<< std::endl;
}
_snapImageOnNextFrame = false;
}
protected:
std::string _filename;
mutable bool _snapImageOnNextFrame;
};
std::string ExportHTML::createFileName(const std::string& basename, unsigned int page, const std::string& ext)
{
if (page==0) return basename+ext;
else return createString(basename,'_', page, ext);
}
bool ExportHTML::write(SlideEventHandler* seh, osgViewer::Viewer& viewer, const std::string& filename)
{
std::string image_basename;
std::string image_ext;
std::string html_basename;
std::string html_ext;
std::string ext = osgDB::getFileExtension(filename);
if (ext=="html" || ext=="htm")
{
image_basename = osgDB::getNameLessExtension(filename);
image_ext = ".jpg";
html_basename = osgDB::getNameLessExtension(filename);
html_ext = std::string(".")+ext;
}
else
{
image_basename = osgDB::getNameLessExtension(filename);
image_ext = ".jpg";
}
std::cout<<"Writing slides to "<<image_basename<<"_[slidenumber]"<<image_ext<<std::endl;
osg::ref_ptr<SnapImageDrawCallback> sidc = new SnapImageDrawCallback;
osgViewer::Viewer::Cameras cameras;
viewer.getCameras(cameras);
for(osgViewer::Viewer::Cameras::iterator itr = cameras.begin();
itr != cameras.end();
++itr)
{
(*itr)->setPostDrawCallback(sidc.get());
}
std::string home_file = createFileName(html_basename, 0, html_ext);
unsigned int i;
for(i=0; i<seh->getNumSlides(); ++i)
{
std::ostringstream os;
os << image_basename <<"_"<<i<<image_ext;
sidc->setFileName(os.str());
sidc->setSnapImageOnNextFrame(true);
if (!html_basename.empty())
{
std::string htmlFileName = createFileName(html_basename, i, html_ext);
std::ofstream fout(htmlFileName.c_str());
if (fout)
{
std::string previous_file = i>0 ? createFileName(html_basename,i-1,html_ext) : "";
std::string next_file = i<seh->getNumSlides()-1 ? createFileName(html_basename,i+1,html_ext) : "";
std::cout<<"Writing html slides "<<htmlFileName<<std::endl;
fout<<"<html>"<<std::endl;
fout<<"<table width=\"100%\">"<<std::endl;
fout<<"<tr>"<<std::endl;
if (!previous_file.empty())
{
fout<<"<td align=\"left\" width=\"33%\"><a href=\""<<osgDB::getSimpleFileName(previous_file)<<"\"> Previous </a></td>"<<std::endl;
}
else
{
fout<<"<td align=\"left\" width=\"33%\"></td>"<<std::endl;
}
if (i != 0)
{
fout<<"<td align=\"center\" width=\"33%\"><a href=\""<<osgDB::getSimpleFileName(home_file)<<"\"> Home </a></td>"<<std::endl;
}
else
{
fout<<"<td align=\"center\" width=\"33%\"></td>"<<std::endl;
}
if (!next_file.empty())
{
fout<<"<td align=\"right\" width=\"33%\"><a href=\""<<osgDB::getSimpleFileName(next_file)<<"\"> Next </a></td>"<<std::endl;
}
else
{
fout<<"<td align=\"right\" width=\"33%\"></td>"<<std::endl;
}
fout<<"</tr>"<<std::endl;
fout<<"</table>"<<std::endl;
fout<<"<img src=\""<<osgDB::getSimpleFileName(os.str())<<"\">"<<std::endl;
fout<<"</html>"<<std::endl;
}
else
{
std::cout<<"Could not open '"<<filename<<"' for writing."<<std::endl;
}
}
// wait for all cull and draw threads to complete.
seh->selectSlide(i, SlideEventHandler::LAST_POSITION);
// fire off the cull and draw traversals of the scene.
viewer.frame();
}
return true;
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef EXPORTHTML_H
#define EXPORTHTML_H 1
#include "SlideEventHandler.h"
#include <osgViewer/Viewer>
class ExportHTML
{
public:
static bool write(SlideEventHandler* seh, osgViewer::Viewer& viewer, const std::string& filename);
static std::string createFileName(const std::string& basename, unsigned int page, const std::string& ext);
};
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "PickEventHandler.h"
#include "SlideEventHandler.h"
#include <osgViewer/Viewer>
#include <osg/Notify>
#include <osgDB/FileUtils>
PickEventHandler::PickEventHandler(SlideShowConstructor::Operation operation,bool relativeJump, int slideNum, int layerNum):
_operation(operation),
_relativeJump(relativeJump),
_slideNum(slideNum),
_layerNum(layerNum)
{
}
PickEventHandler::PickEventHandler(const std::string& str, SlideShowConstructor::Operation operation,bool relativeJump, int slideNum, int layerNum):
_command(str),
_operation(operation),
_relativeJump(relativeJump),
_slideNum(slideNum),
_layerNum(layerNum)
{
}
PickEventHandler::PickEventHandler(const SlideShowConstructor::KeyPosition& keyPos,bool relativeJump, int slideNum, int layerNum):
_keyPos(keyPos),
_operation(SlideShowConstructor::EVENT),
_relativeJump(relativeJump),
_slideNum(slideNum),
_layerNum(layerNum)
{
}
bool PickEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::PUSH):
case(osgGA::GUIEventAdapter::RELEASE):
{
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
osgUtil::LineSegmentIntersector::Intersections intersections;
if (viewer->computeIntersections(ea.getX(),ea.getY(), nv->getNodePath(), intersections))
{
for(osgUtil::LineSegmentIntersector::Intersections::iterator hitr=intersections.begin();
hitr!=intersections.end();
++hitr)
{
if (ea.getEventType()==osgGA::GUIEventAdapter::MOVE)
{
osg::notify(osg::INFO)<<"Tooltip..."<<std::endl;
}
else if (ea.getEventType()==osgGA::GUIEventAdapter::RELEASE)
{
doOperation();
return true;
}
}
}
break;
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
//osg::notify(osg::NOTICE)<<"PickEventHandler KEYDOWN "<<(char)ea.getKey()<<std::endl;
//if (object) osg::notify(osg::NOTICE)<<" "<<object->className()<<std::endl;
break;
}
default:
break;
}
return false;
}
void PickEventHandler::accept(osgGA::GUIEventHandlerVisitor& v)
{
v.visit(*this);
}
void PickEventHandler::getUsage(osg::ApplicationUsage& /*usage*/) const
{
}
void PickEventHandler::setRelativeJump(int slideNum, int layerNum)
{
_relativeJump = true;
_slideNum = slideNum;
_layerNum = layerNum;
}
void PickEventHandler::setAbsoluteJump(int slideNum, int layerNum)
{
_relativeJump = false;
_slideNum = slideNum;
_layerNum = layerNum;
}
void PickEventHandler::doOperation()
{
switch(_operation)
{
case(SlideShowConstructor::RUN):
{
osg::notify(osg::NOTICE)<<"Run "<<_command<<std::endl;
osgDB::FilePathList& paths = osgDB::getDataFilePathList();
#if 0
if (!paths.empty())
{
#ifdef _WIN32
std::string delimintor(";");
#else
std::string delimintor(":");
#endif
std::string filepath("OSG_FILE_PATH=");
bool needDeliminator = false;
for(osgDB::FilePathList::iterator itr = paths.begin();
itr != paths.end();
++itr)
{
if (needDeliminator) filepath += delimintor;
filepath += *itr;
needDeliminator = true;
}
putenv( (char*) filepath.c_str());
std::string binpath("PATH=");
char* path = getenv("PATH");
if (path) binpath += path;
needDeliminator = true;
for(osgDB::FilePathList::iterator itr = paths.begin();
itr != paths.end();
++itr)
{
if (needDeliminator) binpath += delimintor;
binpath += *itr;
needDeliminator = true;
}
putenv( (char*) binpath.c_str());
}
#endif
int result = system(_command.c_str());
osg::notify(osg::INFO)<<"system("<<_command<<") result "<<result<<std::endl;
break;
}
case(SlideShowConstructor::LOAD):
{
osg::notify(osg::NOTICE)<<"Load "<<_command<<std::endl;
break;
}
case(SlideShowConstructor::EVENT):
{
osg::notify(osg::INFO)<<"Event "<<_keyPos._key<<" "<<_keyPos._x<<" "<<_keyPos._y<<std::endl;
if (SlideEventHandler::instance()) SlideEventHandler::instance()->dispatchEvent(_keyPos);
break;
}
}
if (requiresJump())
{
osg::notify(osg::NOTICE)<<"Requires jump "<<_relativeJump<<", "<<_slideNum<<", "<<_layerNum<<std::endl;
if (_relativeJump)
{
int previousSlide = SlideEventHandler::instance()->getActiveSlide();
int previousLayer = SlideEventHandler::instance()->getActiveLayer();
int newSlide = previousSlide + _slideNum;
int newLayer = previousLayer + _layerNum;
if (newLayer<0)
{
newLayer = 0;
}
osg::notify(osg::NOTICE)<<" jump to "<<newSlide<<", "<<newLayer<<std::endl;
SlideEventHandler::instance()->selectSlide(newSlide, newLayer);
}
else
{
SlideEventHandler::instance()->selectSlide(_slideNum,_layerNum);
}
}
else
{
osg::notify(osg::NOTICE)<<"No jump required."<<std::endl;
}
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef PICKEVENTHANDLER
#define PICKEVENTHANDLER 1
#include <osg/StateSet>
#include <osg/Point>
#include <osgGA/GUIEventHandler>
#include "SlideShowConstructor.h"
class PickEventHandler : public osgGA::GUIEventHandler
{
public:
PickEventHandler(SlideShowConstructor::Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
PickEventHandler(const std::string& str, SlideShowConstructor::Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
PickEventHandler(const SlideShowConstructor::KeyPosition& keyPos, bool relativeJump=true, int slideNum=0, int layerNum=0);
void setOperation(SlideShowConstructor::Operation operation) { _operation = operation; }
SlideShowConstructor::Operation getOperation() const { return _operation; }
void setCommand(const std::string& str) { _command = str; }
const std::string& getCommand() const { return _command; }
void setKeyPosition(const SlideShowConstructor::KeyPosition& keyPos) { _keyPos = keyPos; }
const SlideShowConstructor::KeyPosition& getKeyPosition() const { return _keyPos; }
void setRelativeJump(int slideDelta, int layerDelta);
void setAbsoluteJump(int slideNum, int layerNum);
bool getRelativeJump() const { return _relativeJump; }
int getSlideNum() const { return _slideNum; }
int getLayerNum() const { return _layerNum; }
bool requiresJump() const { return _relativeJump ? (_slideNum!=0 || _layerNum!=0) : true; }
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object* object, osg::NodeVisitor* nv);
virtual void accept(osgGA::GUIEventHandlerVisitor& v);
virtual void getUsage(osg::ApplicationUsage& usage) const;
void doOperation();
std::string _command;
SlideShowConstructor::KeyPosition _keyPos;
SlideShowConstructor::Operation _operation;
bool _relativeJump;
int _slideNum;
int _layerNum;
};
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "PointsEventHandler.h"
#include <osg/Notify>
PointsEventHandler::PointsEventHandler()
{
_point = new osg::Point;
//_point->setDistanceAttenuation(osg::Vec3(0.0,0.0000,0.05f));
}
bool PointsEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYDOWN):
{
if (ea.getKey()=='+' || ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Add)
{
changePointSize(1.0f);
return true;
}
else if (ea.getKey()=='-' || ea.getKey()==osgGA::GUIEventAdapter::KEY_KP_Subtract)
{
changePointSize(-1.0f);
return true;
}
else if (ea.getKey()=='<')
{
changePointAttenuation(1.1f);
return true;
}
else if (ea.getKey()=='>')
{
changePointAttenuation(1.0f/1.1f);
return true;
}
break;
}
default:
break;
}
return false;
}
void PointsEventHandler::accept(osgGA::GUIEventHandlerVisitor& v)
{
v.visit(*this);
}
void PointsEventHandler::getUsage(osg::ApplicationUsage& usage) const
{
usage.addKeyboardMouseBinding("+","Increase point size");
usage.addKeyboardMouseBinding("-","Reduce point size");
usage.addKeyboardMouseBinding(">","Increase point size");
usage.addKeyboardMouseBinding("<","Reduce point size");
}
float PointsEventHandler::getPointSize() const
{
return _point->getSize();
}
void PointsEventHandler::setPointSize(float psize)
{
if (psize>0.0)
{
_point->setSize(psize);
_stateset->setAttribute(_point.get());
}
else
{
_stateset->setAttribute(_point.get(),osg::StateAttribute::INHERIT);
}
osg::notify(osg::INFO)<<"Point size "<<psize<<std::endl;
}
void PointsEventHandler::changePointSize(float delta)
{
setPointSize(getPointSize()+delta);
}
void PointsEventHandler::changePointAttenuation(float scale)
{
if (_point.valid())
{
_point->setDistanceAttenuation(_point->getDistanceAttenuation()*scale);
if (_stateset.valid()) _stateset->setAttribute(_point.get());
}
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef POINTSEVENTHANDLER
#define POINTSEVENTHANDLER 1
#include <osg/StateSet>
#include <osg/Point>
#include <osgGA/GUIEventHandler>
class PointsEventHandler : public osgGA::GUIEventHandler
{
public:
PointsEventHandler();
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&);
virtual void accept(osgGA::GUIEventHandlerVisitor& v);
void getUsage(osg::ApplicationUsage& usage) const;
void setStateSet(osg::StateSet* stateset) { _stateset=stateset; }
osg::StateSet* getStateSet() { return _stateset.get(); }
const osg::StateSet* getStateSet() const { return _stateset.get(); }
void setPointSize(float psize);
float getPointSize() const;
void changePointSize(float delta);
void changePointAttenuation(float scale);
osg::ref_ptr<osg::StateSet> _stateset;
osg::ref_ptr<osg::Point> _point;
};
#endif

279
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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "ReadShowFile.h"
#include "ShowEventHandler.h"
#include <osg/ImageStream>
#include <osg/Shape>
#include <osg/ShapeDrawable>
#include <osg/Switch>
#include <osgDB/ReadFile>
#include <osgDB/FileNameUtils>
#include <osgDB/FileUtils>
#include <osgVolume/VolumeTile>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <string.h>
class AddVolumeEditingCallbackVisitor : public osg::NodeVisitor
{
public:
AddVolumeEditingCallbackVisitor():
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
void apply(osg::Group& group)
{
osgVolume::VolumeTile* volumeTile = dynamic_cast<osgVolume::VolumeTile*>(&group);
if (volumeTile)
{
volumeTile->addEventCallback(new osgVolume::PropertyAdjustmentCallback());
}
else
{
traverse(group);
}
}
};
bool p3d::getFileNames(osg::ArgumentParser& arguments, FileNameList& xmlFiles, FileNameList& normalFiles)
{
// note currently doesn't delete the loaded file entries from the command line yet...
for(int pos=1;pos<arguments.argc();++pos)
{
if (!arguments.isOption(pos))
{
std::string ext = osgDB::getFileExtension(arguments[pos]);
if (osgDB::equalCaseInsensitive(ext,"xml") || osgDB::equalCaseInsensitive(ext,"p3d"))
{
xmlFiles.push_back(arguments[pos]);
}
else
{
normalFiles.push_back(arguments[pos]);
}
}
}
return (!xmlFiles.empty() || !normalFiles.empty());
}
bool p3d::readEnvVars(osg::ArgumentParser& arguments)
{
bool readVars = false;
for(unsigned int i=1; i<arguments.argc(); ++i)
{
if (!arguments.isOption(i))
{
std::string ext = osgDB::getLowerCaseFileExtension(arguments[i]);
if (ext=="xml" || ext=="p3d")
{
std::string file = osgDB::findDataFile(arguments[i]);
if (!file.empty())
{
std::string path = osgDB::getFilePath(file);
if (!path.empty())
{
osgDB::getDataFilePathList().push_front(path);
}
if (p3d::readEnvVars(file)) readVars = true;
}
}
}
}
return readVars;
}
bool p3d::readEnvVars(const std::string& fileName)
{
std::string ext = osgDB::getFileExtension(fileName);
if (!osgDB::equalCaseInsensitive(ext,"xml") &&
!osgDB::equalCaseInsensitive(ext,"p3d")) return false;
xmlDocPtr doc;
xmlNodePtr cur;
doc = xmlParseFile(fileName.c_str());
if (doc == NULL )
{
fprintf(stderr,"Document not parsed successfully. \n");
return false;
}
cur = xmlDocGetRootElement(doc);
if (cur == NULL)
{
fprintf(stderr,"empty document\n");
xmlFreeDoc(doc);
return false;
}
if (xmlStrcmp(cur->name, (const xmlChar *) "presentation"))
{
fprintf(stderr,"document of the wrong type, root node != presentation");
xmlFreeDoc(doc);
return false;
}
bool readVars = false;
xmlChar *key;
cur = cur->xmlChildrenNode;
while (cur != NULL) {
if ((!xmlStrcmp(cur->name, (const xmlChar *)"env")))
{
key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
if (key)
{
char* str = strdup((char*)key);
osg::notify(osg::INFO)<<"putenv("<<str<<")"<<std::endl;
putenv(str);
readVars = true;
}
xmlFree(key);
}
cur = cur->next;
}
#ifndef __APPLE__
xmlFreeDoc(doc);
#endif
return readVars;
}
osg::Node* p3d::readHoldingSlide(const std::string& filename)
{
std::string ext = osgDB::getFileExtension(filename);
if (!osgDB::equalCaseInsensitive(ext,"xml") &&
!osgDB::equalCaseInsensitive(ext,"p3d")) return 0;
osg::ref_ptr<osgDB::ReaderWriter::Options> options = new osgDB::ReaderWriter::Options;
options->setObjectCacheHint(osgDB::ReaderWriter::Options::CACHE_NONE);
options->setOptionString("holding_slide");
osgDB::ReaderWriter::ReadResult readResult = osgDB::Registry::instance()->readNode(filename, options.get());
if (readResult.validNode()) return readResult.takeNode();
else return 0;
}
osg::Node* p3d::readPresentation(const std::string& filename,const osgDB::ReaderWriter::Options* options)
{
std::string ext = osgDB::getFileExtension(filename);
if (!osgDB::equalCaseInsensitive(ext,"xml") &&
!osgDB::equalCaseInsensitive(ext,"p3d")) return 0;
return osgDB::readNodeFile(filename, options);
}
osg::Node* p3d::readShowFiles(osg::ArgumentParser& arguments,const osgDB::ReaderWriter::Options* options)
{
typedef std::vector< osg::ref_ptr<osg::Node> > NodeList;
NodeList nodeList;
std::string filename;
while (arguments.read("--image",filename))
{
osg::ref_ptr<osg::Image> image = readImageFile(filename.c_str(), options);
if (image.valid()) nodeList.push_back(osg::createGeodeForImage(image.get()));
}
while (arguments.read("--movie",filename))
{
osg::ref_ptr<osg::Image> image = readImageFile(filename.c_str(), options);
osg::ref_ptr<osg::ImageStream> imageStream = dynamic_cast<osg::ImageStream*>(image.get());
if (image.valid())
{
imageStream->play();
nodeList.push_back(osg::createGeodeForImage(imageStream.get()));
}
}
while (arguments.read("--dem",filename))
{
osg::HeightField* hf = readHeightFieldFile(filename.c_str(), options);
if (hf)
{
osg::Geode* geode = new osg::Geode;
geode->addDrawable(new osg::ShapeDrawable(hf));
nodeList.push_back(geode);
}
}
// note currently doesn't delete the loaded file entries from the command line yet...
for(int pos=1;pos<arguments.argc();++pos)
{
if (!arguments.isOption(pos))
{
// not an option so assume string is a filename.
osg::Node *node = osgDB::readNodeFile( arguments[pos], options);
if(node)
{
if (node->getName().empty()) node->setName( arguments[pos] );
nodeList.push_back(node);
}
}
}
if (nodeList.empty())
{
return NULL;
}
osg::ref_ptr<osg::Node> root;
if (nodeList.size()==1)
{
root = nodeList.front().get();
}
else // size >1
{
osg::Switch* sw = new osg::Switch;
for(NodeList::iterator itr=nodeList.begin();
itr!=nodeList.end();
++itr)
{
sw->addChild((*itr).get());
}
sw->setSingleChildOn(0);
sw->setEventCallback(new p3d::ShowEventHandler());
root = sw;
}
if (root.valid())
{
osg::notify(osg::INFO)<<"Got node now adding callback"<<std::endl;
AddVolumeEditingCallbackVisitor avecv;
root->accept(avecv);
}
return root.release();
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef P3D_READFILE
#define P3D_READFILE 1
#include <osg/ArgumentParser>
#include <osgDB/ReaderWriter>
namespace p3d {
typedef std::vector<std::string> FileNameList;
bool getFileNames(osg::ArgumentParser& arguments, FileNameList& xmlFiles, FileNameList& normalFiles);
bool readEnvVars(osg::ArgumentParser& arguments);
bool readEnvVars(const std::string& filename);
osg::Node* readHoldingSlide(const std::string& filename);
osg::Node* readPresentation(const std::string& filename,const osgDB::ReaderWriter::Options* options);
osg::Node* readShowFiles(osg::ArgumentParser& arguments,const osgDB::ReaderWriter::Options* options);
}
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include <osgViewer/Viewer>
#include "SDLIntegration.h"
#include <SDL.h>
#include <SDL_events.h>
#include <SDL_joystick.h>
#include <iostream>
SDLIntegration::SDLIntegration()
{
_verbose = false;
// init SDL
if ( SDL_Init(SDL_INIT_JOYSTICK) < 0 )
{
fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError());
exit(1);
}
atexit(SDL_Quit);
int numJoysticks = SDL_NumJoysticks();
if (_verbose)
{
std::cout<<"number of joysticks "<<numJoysticks<<std::endl;
for(int i=0; i<numJoysticks; ++i)
{
std::cout<<"Joystick name '"<<SDL_JoystickName(i)<<"'"<<std::endl;
}
}
_joystick = numJoysticks>0 ? SDL_JoystickOpen(0) : 0;
_numAxes = _joystick ? SDL_JoystickNumAxes(_joystick) : 0;
_numBalls = _joystick ? SDL_JoystickNumBalls(_joystick) : 0;
_numHats = _joystick ? SDL_JoystickNumHats(_joystick) : 0;
_numButtons = _joystick ? SDL_JoystickNumButtons(_joystick) : 0;
if (_verbose)
{
std::cout<<"numAxes = "<<_numAxes<<std::endl;
std::cout<<"numBalls = "<<_numBalls<<std::endl;
std::cout<<"numHats = "<<_numHats<<std::endl;
std::cout<<"numButtons = "<<_numButtons<<std::endl;
}
addMouseButtonMapping(4, 1); // left
addMouseButtonMapping(5, 3); // right
addMouseButtonMapping(6, 2); // middle
addKeyMapping(10, ' '); // R2
addKeyMapping(0, '1'); // 1
addKeyMapping(1, '2'); // 2
addKeyMapping(2, '3'); // 3
addKeyMapping(4, '4'); // 4
addKeyMapping(7, ' '); // home
addKeyMapping(8, osgGA::GUIEventAdapter::KEY_Page_Up); // Start
addKeyMapping(9, osgGA::GUIEventAdapter::KEY_Page_Down); // Start
addKeyMapping(10, osgGA::GUIEventAdapter::KEY_Home); // Start
capture(_axisValues, _buttonValues);
}
SDLIntegration::~SDLIntegration()
{
}
void SDLIntegration::capture(ValueList& axisValues, ValueList& buttonValues) const
{
if (_joystick)
{
SDL_JoystickUpdate();
axisValues.resize(_numAxes);
for(int ai=0; ai<_numAxes; ++ai)
{
axisValues[ai] = SDL_JoystickGetAxis(_joystick, ai);
}
buttonValues.resize(_numButtons);
for(int bi=0; bi<_numButtons; ++bi)
{
buttonValues[bi] = SDL_JoystickGetButton(_joystick, bi);
}
}
}
void SDLIntegration::update(osgViewer::Viewer& viewer)
{
if (_joystick)
{
ValueList newAxisValues;
ValueList newButtonValues;
capture(newAxisValues, newButtonValues);
unsigned int mouseXaxis = 0;
unsigned int mouseYaxis = 1;
float prev_mx = (float)_axisValues[mouseXaxis]/32767.0f;
float prev_my = -(float)_axisValues[mouseYaxis]/32767.0f;
float mx = (float)newAxisValues[mouseXaxis]/32767.0f;
float my = -(float)newAxisValues[mouseYaxis]/32767.0f;
osgGA::EventQueue* eq = viewer.getEventQueue();
double time = eq ? eq->getTime() : 0.0;
osgGA::GUIEventAdapter* previous_event = eq->getCurrentEventState();
float projected_mx = previous_event->getXmin() + (mx+1.0)*0.5*(previous_event->getXmax()-previous_event->getXmin());
float projected_my = previous_event->getYmin() + (my+1.0)*0.5*(previous_event->getYmax()-previous_event->getYmin());
if (mx!=prev_mx || my!=prev_my)
{
eq->mouseMotion(projected_mx, projected_my, time);
}
if (_verbose)
{
for(int ai=0; ai<_numAxes; ++ai)
{
if (newAxisValues[ai]!=_axisValues[ai])
{
std::cout<<"axis "<<ai<<" moved to "<<newAxisValues[ai]<<std::endl;
}
}
}
for(int bi=0; bi<_numButtons; ++bi)
{
if (newButtonValues[bi]!=_buttonValues[bi])
{
if (_verbose)
{
std::cout<<"button "<<bi<<" changed to "<<newButtonValues[bi]<<std::endl;
}
int key = getKeyMapping(bi);
int mouseButton = getMouseButtonMapping(bi);
if (mouseButton>0)
{
if (newButtonValues[bi]==0) eq->mouseButtonRelease(projected_mx,projected_my,mouseButton,time);
else eq->mouseButtonPress(projected_mx,projected_my,mouseButton,time);
}
else if (key>0)
{
if (newButtonValues[bi]==0) eq->keyRelease(key,time);
else eq->keyPress(key,time);
}
}
}
_axisValues.swap(newAxisValues);
_buttonValues.swap(newButtonValues);
}
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef SDLINTEGRATION
#define SDLINTEGRATION
#include <SDL.h>
#include <SDL_events.h>
#include <SDL_joystick.h>
#include <vector>
#include <map>
class SDLIntegration
{
public:
SDLIntegration();
~SDLIntegration();
typedef std::vector<int> ValueList;
typedef std::map<int, int> ButtonMap;
void update(osgViewer::Viewer& viewer);
void addMouseButtonMapping(int joystickButton, int mouseButton)
{
_mouseButtonMap[joystickButton] = mouseButton;
}
int getMouseButtonMapping(int joystickButton)
{
ButtonMap::const_iterator itr = _mouseButtonMap.find(joystickButton);
if (itr != _mouseButtonMap.end()) return itr->second;
else return -1;
}
void addKeyMapping(int joystickButton, int key)
{
_keyMap[joystickButton] = key;
}
int getKeyMapping(int joystickButton)
{
ButtonMap::const_iterator itr = _keyMap.find(joystickButton);
if (itr != _keyMap.end()) return itr->second;
else return -1;
}
protected:
void capture(ValueList& axisValues, ValueList& buttonValues) const;
SDL_Joystick* _joystick;
int _numAxes;
int _numBalls;
int _numHats;
int _numButtons;
bool _verbose;
ValueList _axisValues;
ValueList _buttonValues;
ButtonMap _mouseButtonMap;
ButtonMap _keyMap;
};
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include "ShowEventHandler.h"
#include <osgViewer/Viewer>
#include <osg/Notify>
using namespace p3d;
ShowEventHandler::ShowEventHandler()
{
}
bool ShowEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& /*aa*/, osg::Object* object, osg::NodeVisitor* /*nv*/)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
{
osg::notify(osg::INFO)<<"ShowEventHandler KEYUP "<<(int)ea.getKey()<<std::endl;
if (ea.getKey()>=osgGA::GUIEventAdapter::KEY_F1 &&
ea.getKey()<=osgGA::GUIEventAdapter::KEY_F8)
{
unsigned int child = ea.getKey()-osgGA::GUIEventAdapter::KEY_F1;
osg::notify(osg::INFO)<<" Select "<<child<<std::endl;
osg::Switch* showSwitch = dynamic_cast<osg::Switch*>(object);
if (showSwitch)
{
if (child<showSwitch->getNumChildren())
{
osg::notify(osg::INFO)<<" Switched "<<child<<std::endl;
showSwitch->setSingleChildOn(child);
return true;
}
}
}
break;
}
default:
break;
}
return false;
}
void ShowEventHandler::accept(osgGA::GUIEventHandlerVisitor& v)
{
v.visit(*this);
}
void ShowEventHandler::getUsage(osg::ApplicationUsage& /*usage*/) const
{
}

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef SHOWEVENTHANDLER
#define SHOWEVENTHANDLER 1
#include <osg/StateSet>
#include <osg/Point>
#include <osgGA/GUIEventHandler>
namespace p3d
{
class ShowEventHandler : public osgGA::GUIEventHandler
{
public:
ShowEventHandler();
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object* object, osg::NodeVisitor* nv);
virtual void accept(osgGA::GUIEventHandlerVisitor& v);
virtual void getUsage(osg::ApplicationUsage& usage) const;
};
}
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef SLIDEEVENTHANDLER
#define SLIDEEVENTHANDLER 1
#include <osg/Switch>
#include <osg/Timer>
#include <osgGA/GUIEventHandler>
#include <osgViewer/Viewer>
#include "CompileSlideCallback.h"
#include "SlideShowConstructor.h"
struct dereference_less
{
template<class T, class U>
inline bool operator() (const T& lhs,const U& rhs) const
{
return *lhs < *rhs;
}
};
struct ObjectOperator : public osg::Referenced
{
inline bool operator < (const ObjectOperator& rhs) const { return ptr() < rhs.ptr(); }
virtual void* ptr() const = 0;
virtual void enter() = 0;
virtual void maintain() = 0;
virtual void leave() = 0;
virtual void setPause(bool pause) = 0;
virtual void reset() = 0;
virtual ~ObjectOperator() {}
};
class ActiveOperators
{
public:
ActiveOperators();
~ActiveOperators();
void collect(osg::Node* incommingNode, osg::NodeVisitor::TraversalMode tm = osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN);
void process();
void setPause(bool pause);
bool getPause() const { return _pause; }
void reset();
typedef std::set< osg::ref_ptr<ObjectOperator>, dereference_less > OperatorList;
protected:
void processOutgoing();
void processIncomming();
void processMaintained();
bool _pause;
OperatorList _previous;
OperatorList _current;
OperatorList _outgoing;
OperatorList _incomming;
OperatorList _maintained;
};
class SlideEventHandler : public osgGA::GUIEventHandler
{
public:
SlideEventHandler(osgViewer::Viewer* viewer=0);
static SlideEventHandler* instance();
META_Object(osgslideshowApp,SlideEventHandler);
void set(osg::Node* model);
virtual void accept(osgGA::GUIEventHandlerVisitor& v) { v.visit(*this); }
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&);
virtual void getUsage(osg::ApplicationUsage& usage) const;
osgViewer::Viewer* getViewer() { return _viewer.get(); }
enum WhichPosition
{
FIRST_POSITION = 0,
LAST_POSITION = 0xffffffff,
};
void compileSlide(unsigned int slideNum);
void releaseSlide(unsigned int slideNum);
unsigned int getNumSlides();
unsigned int getActiveSlide() const { return _activeSlide; }
unsigned int getActiveLayer() const { return _activeLayer; }
bool selectSlide(unsigned int slideNum,unsigned int layerNum=FIRST_POSITION);
bool selectLayer(unsigned int layerNum);
bool nextLayerOrSlide();
bool previousLayerOrSlide();
bool nextSlide();
bool previousSlide();
bool nextLayer();
bool previousLayer();
bool home();
void setAutoSteppingActive(bool flag = true) { _autoSteppingActive = flag; }
bool getAutoSteppingActive() const { return _autoSteppingActive; }
void setTimeDelayBetweenSlides(double dt) { _timePerSlide = dt; }
double getTimeDelayBetweenSlides() const { return _timePerSlide; }
double getDuration(const osg::Node* node) const;
double getCurrentTimeDelayBetweenSlides() const;
void setReleaseAndCompileOnEachNewSlide(bool flag) { _releaseAndCompileOnEachNewSlide = flag; }
bool getReleaseAndCompileOnEachNewSlide() const { return _releaseAndCompileOnEachNewSlide; }
void setTimeDelayOnNewSlideWithMovies(float t) { _timeDelayOnNewSlideWithMovies = t; }
float getTimeDelayOnNewSlideWithMovies() const { return _timeDelayOnNewSlideWithMovies; }
void setLoopPresentation(bool loop) { _loopPresentation = loop; }
bool getLoopPresentation() const { return _loopPresentation; }
void dispatchEvent(const SlideShowConstructor::KeyPosition& keyPosition);
enum ObjectMask
{
MOVIE = 1<<0,
OBJECTS = 1<<1,
ALL_OBJECTS = MOVIE | OBJECTS
};
protected:
~SlideEventHandler() {}
SlideEventHandler(const SlideEventHandler&,const osg::CopyOp&) {}
bool home(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa);
void updateAlpha(bool, bool, float x, float y);
void updateLight(float x, float y);
osg::observer_ptr<osgViewer::Viewer> _viewer;
osg::ref_ptr<osg::Switch> _showSwitch;
unsigned int _activePresentation;
osg::ref_ptr<osg::Switch> _presentationSwitch;
unsigned int _activeSlide;
osg::ref_ptr<osg::Switch> _slideSwitch;
unsigned int _activeLayer;
bool _firstTraversal;
double _previousTime;
double _timePerSlide;
bool _autoSteppingActive;
bool _loopPresentation;
bool _pause;
bool _hold;
bool _updateLightActive;
bool _updateOpacityActive;
float _previousX, _previousY;
bool _cursorOn;
bool _releaseAndCompileOnEachNewSlide;
bool _firstSlideOrLayerChange;
osg::Timer_t _tickAtFirstSlideOrLayerChange;
osg::Timer_t _tickAtLastSlideOrLayerChange;
float _timeDelayOnNewSlideWithMovies;
double _minimumTimeBetweenKeyPresses;
double _timeLastKeyPresses;
ActiveOperators _activeOperators;
osg::ref_ptr<ss3d::CompileSlideCallback> _compileSlideCallback;
void updateOperators();
};
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#ifndef SLIDESHOWCONSTRUCTOR
#define SLIDESHOWCONSTRUCTOR
#include <osg/Vec3>
#include <osg/Vec4>
#include <osg/Group>
#include <osg/ClearNode>
#include <osg/Switch>
#include <osg/AnimationPath>
#include <osg/ImageStream>
#include <osgText/Text>
#include <osgGA/GUIEventAdapter>
#include <osgDB/FileUtils>
#include "AnimationMaterial.h"
class SlideShowConstructor
{
public:
enum CoordinateFrame { SLIDE, MODEL };
struct HomePosition : public virtual osg::Referenced
{
HomePosition() {}
HomePosition(const osg::Vec3& in_eye, const osg::Vec3& in_center, const osg::Vec3& in_up):
eye(in_eye),
center(in_center),
up(in_up) {}
osg::Vec3 eye;
osg::Vec3 center;
osg::Vec3 up;
};
struct KeyPosition
{
KeyPosition(unsigned int key=0, float x=FLT_MAX, float y=FLT_MAX):
_key((osgGA::GUIEventAdapter::KeySymbol)key),
_x(x),
_y(y) {}
void set(unsigned int key=0, float x=FLT_MAX, float y=FLT_MAX)
{
_key = (osgGA::GUIEventAdapter::KeySymbol)key;
_x = x;
_y = y;
}
osgGA::GUIEventAdapter::KeySymbol _key;
float _x;
float _y;
};
struct LayerCallback : public virtual osg::Referenced
{
virtual void operator() (osg::Node* node) const = 0;
};
struct LayerAttributes : public virtual osg::Referenced
{
LayerAttributes():_duration(0),_relativeJump(true),_slideNum(0),_layerNum(0) {}
LayerAttributes(double in_duration):_duration(in_duration),_relativeJump(true),_slideNum(0),_layerNum(0) {}
void setDuration(double duration) { _duration = duration; }
double getDuration() const { return _duration; }
typedef std::vector<KeyPosition> Keys;
typedef std::vector<std::string> RunStrings;
void setKeys(const Keys& keys) { _keys = keys; }
const Keys& getKeys() const { return _keys; }
void addKey(const KeyPosition& kp) { _keys.push_back(kp); }
void setRunStrings(const RunStrings& runStrings) { _runStrings = runStrings; }
const RunStrings& getRunStrings() const { return _runStrings; }
void addRunString(const std::string& runString) { _runStrings.push_back(runString); }
void setJump(bool relativeJump, int slideNum, int layerNum)
{
_relativeJump = relativeJump;
_slideNum = slideNum;
_layerNum = layerNum;
}
bool getRelativeJump() const { return _relativeJump; }
int getSlideNum() const { return _slideNum; }
int getLayerNum() const { return _layerNum; }
bool requiresJump() const { return _relativeJump ? (_slideNum!=0 || _layerNum!=0) : true; }
double _duration;
Keys _keys;
RunStrings _runStrings;
bool _relativeJump;
int _slideNum;
int _layerNum;
void addEnterCallback(LayerCallback* lc) { _enterLayerCallbacks.push_back(lc); }
void addLeaveCallback(LayerCallback* lc) { _leaveLayerCallbacks.push_back(lc); }
void callEnterCallbacks(osg::Node* node);
void callLeaveCallbacks(osg::Node* node);
typedef std::list< osg::ref_ptr<LayerCallback> > LayerCallbacks;
LayerCallbacks _enterLayerCallbacks;
LayerCallbacks _leaveLayerCallbacks;
};
LayerAttributes* getOrCreateLayerAttributes(osg::Node* node);
void setDuration(osg::Node* node,double duration)
{
getOrCreateLayerAttributes(node)->setDuration(duration);
}
void addKey(osg::Node* node,const KeyPosition& kp)
{
getOrCreateLayerAttributes(node)->addKey(kp);
}
void addRunString(osg::Node* node, const std::string& runString)
{
getOrCreateLayerAttributes(node)->addRunString(runString);
}
void setJump(osg::Node* node, bool relativeJump, int slideNum, int layerNum)
{
getOrCreateLayerAttributes(node)->setJump(relativeJump, slideNum, layerNum);
}
void addPresentationKey(const KeyPosition& kp)
{
if (!_presentationSwitch) createPresentation();
if (_presentationSwitch.valid()) addKey( _presentationSwitch.get(), kp);
}
void addPresentationRunString(const std::string& runString)
{
if (!_presentationSwitch) createPresentation();
if (_presentationSwitch.valid()) addRunString( _presentationSwitch.get(),runString);
}
void addSlideKey(const KeyPosition& kp)
{
if (!_slide) addSlide();
if (_slide.valid()) addKey(_slide.get(),kp);
}
void addSlideRunString(const std::string& runString)
{
if (!_slide) addSlide();
if (_slide.valid()) addRunString(_slide.get(),runString);
}
void setSlideJump(bool relativeJump, int switchNum, int layerNum)
{
if (!_slide) addSlide();
if (_slide.valid()) setJump(_slide.get(),relativeJump, switchNum, layerNum);
}
void addLayerKey(const KeyPosition& kp)
{
if (!_currentLayer) addLayer();
if (_currentLayer.valid()) addKey(_currentLayer.get(),kp);
}
void addLayerRunString(const std::string& runString)
{
if (!_currentLayer) addLayer();
if (_currentLayer.valid()) addRunString(_currentLayer.get(),runString);
}
void setLayerJump(bool relativeJump, int switchNum, int layerNum)
{
if (!_currentLayer) addLayer();
if (_currentLayer.valid()) setJump(_currentLayer.get(),relativeJump, switchNum, layerNum);
}
struct FilePathData : public virtual osg::Referenced
{
FilePathData(const osgDB::FilePathList& fpl):filePathList(fpl) {}
osgDB::FilePathList filePathList;
};
struct PositionData
{
PositionData():
frame(SlideShowConstructor::SLIDE),
position(0.0f,1.0f,0.0f),
//position(0.5f,0.5f,0.0f),
scale(1.0f,1.0f,1.0f),
rotate(0.0f,0.0f,0.0f,1.0f),
rotation(0.0f,0.0f,1.0f,0.0f),
absolute_path(false),
inverse_path(false),
path_time_offset(0.0),
path_time_multiplier(1.0f),
path_loop_mode(osg::AnimationPath::NO_LOOPING),
animation_material_time_offset(0.0),
animation_material_time_multiplier(1.0),
animation_material_loop_mode(ss3d::AnimationMaterial::NO_LOOPING) {}
bool requiresPosition() const
{
return (position[0]!=0.0f || position[1]!=1.0f || position[2]!=1.0f);
}
bool requiresScale() const
{
return (scale[0]!=1.0f || scale[1]!=1.0f || scale[2]!=1.0f);
}
bool requiresRotate() const
{
return rotate[0]!=0.0f;
}
bool requiresAnimation() const
{
return (rotation[0]!=0.0f || !path.empty());
}
bool requiresMaterialAnimation() const
{
return !animation_material_filename.empty() || !fade.empty();
}
CoordinateFrame frame;
osg::Vec3 position;
osg::Vec3 scale;
osg::Vec4 rotate;
osg::Vec4 rotation;
std::string animation_name;
bool absolute_path;
bool inverse_path;
double path_time_offset;
double path_time_multiplier;
osg::AnimationPath::LoopMode path_loop_mode;
std::string path;
double animation_material_time_offset;
double animation_material_time_multiplier;
ss3d::AnimationMaterial::LoopMode animation_material_loop_mode;
std::string animation_material_filename;
std::string fade;
};
struct ModelData
{
ModelData():
effect("") {}
std::string effect;
};
struct ImageData
{
ImageData():
width(1.0f),
height(1.0f),
region(0.0f,0.0f,1.0f,1.0f),
region_in_pixel_coords(false),
texcoord_rotate(0.0f),
loopingMode(osg::ImageStream::NO_LOOPING),
page(-1),
backgroundColor(1.0f,1.0f,1.0f,1.0f) {}
float width;
float height;
osg::Vec4 region;
bool region_in_pixel_coords;
float texcoord_rotate;
osg::ImageStream::LoopingMode loopingMode;
int page;
osg::Vec4 backgroundColor;
};
struct FontData
{
FontData():
font("fonts/arial.ttf"),
layout(osgText::Text::LEFT_TO_RIGHT),
alignment(osgText::Text::LEFT_BASE_LINE),
axisAlignment(osgText::Text::XZ_PLANE),
characterSize(0.04f),
maximumHeight(1.0f),
maximumWidth(1.0f),
color(1.0f,1.0f,1.0f,1.0f) {}
std::string font;
osgText::Text::Layout layout;
osgText::Text::AlignmentType alignment;
osgText::Text::AxisAlignment axisAlignment;
float characterSize;
float maximumHeight;
float maximumWidth;
osg::Vec4 color;
};
/// Operations related to click to run/load/key events.
enum Operation
{
RUN,
LOAD,
EVENT,
JUMP
};
SlideShowConstructor();
void createPresentation();
void setBackgroundColor(const osg::Vec4& color, bool updateClearNode);
const osg::Vec4& getBackgroundColor() const { return _backgroundColor; }
void setTextColor(const osg::Vec4& color);
const osg::Vec4& getTextColor() const { return _textFontDataDefault.color; }
void setPresentationName(const std::string& name);
void setPresentationAspectRatio(float aspectRatio);
void setPresentationAspectRatio(const std::string& str);
void setPresentationDuration(double duration);
void addSlide();
void selectSlide(int slideNum);
void setSlideTitle(const std::string& name, PositionData& positionData, FontData& fontData)
{
_titlePositionData = positionData;
_titleFontData = fontData;
_slideTitle = name;
}
void setSlideBackground(const std::string& name) { _slideBackgroundImageFileName = name; }
void setSlideDuration(double duration);
void addLayer(bool inheritPreviousLayers=true, bool defineAsBaseLayer=false);
void selectLayer(int layerNum);
void setLayerDuration(double duration);
// title settings
FontData& getTitleFontData() { return _titleFontData; }
FontData& getTitleFontDataDefault() { return _titleFontDataDefault; }
PositionData& getTitlePositionData() { return _titlePositionData; }
PositionData& getTitlePositionDataDefault() { return _titlePositionDataDefault; }
// text settings
FontData& getTextFontData() { return _textFontData; }
FontData& getTextFontDataDefault() { return _textFontDataDefault; }
PositionData& getTextPositionData() { return _textPositionData; }
PositionData& getTextPositionDataDefault() { return _textPositionDataDefault; }
void translateTextCursor(const osg::Vec3& delta) { _textPositionData.position += delta; }
// image settings
PositionData& getImagePositionData() { return _imagePositionData; }
PositionData& getImagePositionDataDefault() { return _imagePositionDataDefault; }
// model settings
PositionData& getModelPositionData() { return _modelPositionData; }
PositionData& getModelPositionDataDefault() { return _modelPositionDataDefault; }
void layerClickToDoOperation(Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
void layerClickToDoOperation(const std::string& command, Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
void layerClickEventOperation(const SlideShowConstructor::KeyPosition& keyPos, bool relativeJump=true, int slideNum=0, int layerNum=0);
void addBullet(const std::string& bullet, PositionData& positionData, FontData& fontData);
void addParagraph(const std::string& paragraph, PositionData& positionData, FontData& fontData);
void addImage(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
void addStereoImagePair(const std::string& filenameLeft, const ImageData& imageDataLeft, const std::string& filenameRight,const ImageData& imageDataRight, const PositionData& positionData);
void addVNC(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
void addBrowser(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
void addPDF(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
osg::Image* addInteractiveImage(const std::string& filename,const PositionData& positionData, const ImageData& imageData);
void addModel(osg::Node* subgraph, const PositionData& positionData, const ModelData& modelData);
void addModel(const std::string& filename, const PositionData& positionData, const ModelData& modelData);
void addVolume(const std::string& filename, const PositionData& positionData);
osg::Group* takePresentation() { return _root.release(); }
osg::Group* getPresentation() { return _root.get(); }
osg::Switch* getPresentationSwitch() { return _presentationSwitch.get(); }
osg::Switch* getCurrentSlide() { return _slide.get(); }
osg::Group* getCurrentLayer() { return _currentLayer.get(); }
void setLoopPresentation(bool loop) { _loopPresentation = loop; }
bool getLoopPresentation() const { return _loopPresentation; }
void setAutoSteppingActive(bool flag = true) { _autoSteppingActive = flag; }
bool getAutoSteppingActive() const { return _autoSteppingActive; }
protected:
void findImageStreamsAndAddCallbacks(osg::Node* node);
osg::Geometry* createTexturedQuadGeometry(const osg::Vec3& pos, const osg::Vec4& rotation, float width,float height, osg::Image* image, bool& usedTextureRectangle);
osg::Vec3 computePositionInModelCoords(const PositionData& positionData) const;
void updatePositionFromInModelCoords(const osg::Vec3& vertex, PositionData& positionData) const;
osg::Vec3 convertSlideToModel(const osg::Vec3& position) const;
osg::Vec3 convertModelToSlide(const osg::Vec3& position) const;
osg::AnimationPath* readPivotPath(const std::string& filename) const;
osg::AnimationPath* readRotationPath(const std::string& filename) const;
osg::AnimationPathCallback* getAnimationPathCallback(const PositionData& positionData);
osg::Node* attachMaterialAnimation(osg::Node* model, const PositionData& positionData);
bool attachTexMat(osg::StateSet* stateset, const ImageData& imageData, float s, float t, bool textureRectangle);
osg::StateSet* createTransformStateSet()
{
osg::StateSet* stateset = new osg::StateSet;
stateset->setMode(GL_NORMALIZE,osg::StateAttribute::ON);
return stateset;
}
osg::Vec3 _slideOrigin;
osg::Vec3 _eyeOrigin;
float _slideWidth;
float _slideHeight;
float _slideDistance;
// title settings
FontData _titleFontData;
FontData _titleFontDataDefault;
PositionData _titlePositionData;
PositionData _titlePositionDataDefault;
// text settings
FontData _textFontData;
FontData _textFontDataDefault;
PositionData _textPositionData;
PositionData _textPositionDataDefault;
// image settings
PositionData _imagePositionData;
PositionData _imagePositionDataDefault;
// model settings
PositionData _modelPositionData;
PositionData _modelPositionDataDefault;
bool _loopPresentation;
bool _autoSteppingActive;
osg::Vec4 _backgroundColor;
std::string _presentationName;
double _presentationDuration;
osg::ref_ptr<osg::Group> _root;
osg::ref_ptr<osg::Switch> _presentationSwitch;
osg::ref_ptr<osg::ClearNode> _slideClearNode;
osg::ref_ptr<osg::Switch> _slide;
std::string _slideTitle;
std::string _slideBackgroundImageFileName;
osg::ref_ptr<osg::Group> _previousLayer;
osg::ref_ptr<osg::Group> _currentLayer;
osg::ref_ptr<FilePathData> _filePathData;
std::string findFileAndRecordPath(const std::string& filename);
};
#endif

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/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* include LICENSE.txt for more details.
*/
#include <osg/Geometry>
#include <osg/CameraNode>
#include <osg/Texture2D>
#include <osg/Notify>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osgDB/FileNameUtils>
#include <osgUtil/Optimizer>
#include <osgUtil/SceneView>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <OpenThreads/Thread>
#include <osgGA/TrackballManipulator>
#include <osgGA/FlightManipulator>
#include <osgGA/DriveManipulator>
#include <osgGA/KeySwitchMatrixManipulator>
#include <osgGA/AnimationPathManipulator>
#include <osgGA/TerrainManipulator>
#include <osgGA/AnimationPathManipulator>
#include <osgGA/StateSetManipulator>
#include "ReadShowFile.h"
#include "SlideEventHandler.h"
#include "PointsEventHandler.h"
#include "SlideShowConstructor.h"
#include "Cluster.h"
#include "ExportHTML.h"
#include <sstream>
#include <fstream>
#include <iostream>
#include <string.h>
#ifdef USE_SDL
#include "SDLIntegration.h"
#endif
static const char* s_version = "1.3";
void setViewer(osgViewer::Viewer& viewer, float width, float height, float distance)
{
double vfov = osg::RadiansToDegrees(atan2(height/2.0f,distance)*2.0);
double hfov = osg::RadiansToDegrees(atan2(width/2.0f,distance)*2.0);
viewer.getCamera()->setProjectionMatrixAsPerspective( vfov, width/height, 0.1, 1000.0);
}
class FollowMouseCallback: public osgGA::GUIEventHandler
{
public:
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&, osg::Object* object, osg::NodeVisitor*)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::DRAG):
{
osg::CameraNode* camera = dynamic_cast<osg::CameraNode*>(object);
if (camera)
{
camera->setViewMatrix(osg::Matrixd::translate(ea.getX(),ea.getY(),0.0));
}
break;
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
if (ea.getKey()=='c')
{
osg::CameraNode* camera = dynamic_cast<osg::CameraNode*>(object);
if (camera)
{
for(unsigned int i=0; i< camera->getNumChildren(); ++i)
{
osg::Node* node = camera->getChild(i);
node->setNodeMask(
node->getNodeMask()!=0 ?
0 :
0xffffff);
}
}
}
break;
}
default:
break;
}
return false;
}
virtual void accept(osgGA::GUIEventHandlerVisitor& v)
{
v.visit(*this);
}
};
osg::Node* createCursorSubgraph(const std::string& filename, float size)
{
osg::Geode* geode = new osg::Geode;
osg::Geometry* geom = osg::createTexturedQuadGeometry(osg::Vec3(-size*0.5f,-size*0.5f,0.0f),osg::Vec3(size,0.0f,0.0f),osg::Vec3(0.0f,size,0.0f));
osg::Image* image = osgDB::readImageFile(osgDB::findDataFile(filename));
if (image)
{
osg::StateSet* stateset = geom->getOrCreateStateSet();
stateset->setTextureAttributeAndModes(0, new osg::Texture2D(image),osg::StateAttribute::ON);
stateset->setMode(GL_BLEND,osg::StateAttribute::ON);
stateset->setRenderBinDetails(1000, "DepthSortedBin");
}
geode->addDrawable(geom);
osg::CameraNode* camera = new osg::CameraNode;
// set the projection matrix
camera->setProjectionMatrix(osg::Matrix::ortho2D(-1,1,-1,1));
// set the view matrix
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setViewMatrix(osg::Matrix::identity());
// only clear the depth buffer
camera->setClearMask(GL_DEPTH_BUFFER_BIT);
// draw subgraph after main camera view.
camera->setRenderOrder(osg::CameraNode::NESTED_RENDER);
camera->addChild(geode);
camera->setEventCallback(new FollowMouseCallback());
return camera;
}
enum P3DApplicationType
{
VIEWER,
MASTER,
SLAVE,
};
int main( int argc, char **argv )
{
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the application for presenting 3D interactive slide shows.");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
arguments.getApplicationUsage()->addCommandLineOption("-a","Turn auto stepping on by default");
arguments.getApplicationUsage()->addCommandLineOption("-d <float>","Time duration in seconds between layers/slides");
arguments.getApplicationUsage()->addCommandLineOption("-s <float> <float> <float>","width, height, distance and of the screen away from the viewer");
arguments.getApplicationUsage()->addCommandLineOption("--viewer","Start Present3D as the viewer version.");
arguments.getApplicationUsage()->addCommandLineOption("--authoring","Start Presen3D as the authoring version, license required.");
arguments.getApplicationUsage()->addCommandLineOption("--master","Start Present3D as the master version, license required.");
arguments.getApplicationUsage()->addCommandLineOption("--slave","Start Present3D as the slave version, license required.");
arguments.getApplicationUsage()->addCommandLineOption("--publishing","Start Present3D as the publishing version, license required.");
arguments.getApplicationUsage()->addCommandLineOption("--timeDelayOnNewSlideWithMovies","Set the time delay on new slide with movies, done to allow movie threads to get in sync with rendering thread.");
arguments.getApplicationUsage()->addCommandLineOption("--targetFrameRate","Set the target frame rate, defaults to 80Hz.");
arguments.getApplicationUsage()->addCommandLineOption("--version","Report the Present3D version.");
arguments.getApplicationUsage()->addCommandLineOption("--print <filename>","Print out slides to a series of image files.");
arguments.getApplicationUsage()->addCommandLineOption("--html <filename>","Print out slides to a series of html & image files.");
arguments.getApplicationUsage()->addCommandLineOption("--loop","Switch on looping of presentation.");
arguments.getApplicationUsage()->addCommandLineOption("--devices","Print the Video input capability via QuickTime and exit.");
// if user requests devices video capability.
if (arguments.read("-devices") || arguments.read("--devices"))
{
// Force load QuickTime plugin, probe video capability, exit
osgDB::readImageFile("devices.live");
return 1;
}
// read any env vars from presentations before we create viewer to make sure the viewer
// utilises these env vars
if (p3d::readEnvVars(arguments))
{
osg::DisplaySettings::instance()->readEnvironmentalVariables();
}
#ifdef USE_SDL
SDLIntegration sdlIntegration;
osg::notify(osg::INFO)<<"USE_SDL"<<std::endl;
#endif
bool doSetViewer = true;
std::string configurationFile;
// check env vars for configuration file
const char* str = getenv("PRESENT3D_CONFIG_FILE");
if (!str) str = getenv("OSG_CONFIG_FILE");
if (str) configurationFile = str;
// check command line parameters for configuration file.
while (arguments.read("-c",configurationFile)) {}
osg::Vec4 clearColor(0.0f,0.0f,0.0f,0.0f);
while (arguments.read("--clear-color",clearColor[0],clearColor[1],clearColor[2],clearColor[3])) {}
// construct the viewer.
osgViewer::Viewer viewer(arguments);
// set clear colour to black by default.
viewer.getCamera()->setClearColor(clearColor);
if (!configurationFile.empty())
{
viewer.readConfiguration(configurationFile);
doSetViewer = false;
}
// set up stereo masks
viewer.getCamera()->setCullMask(0xffffffff);
viewer.getCamera()->setCullMaskLeft(0x00000001);
viewer.getCamera()->setCullMaskRight(0x00000002);
// set up the camera manipulators.
{
osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> keyswitchManipulator = new osgGA::KeySwitchMatrixManipulator;
keyswitchManipulator->addMatrixManipulator( '1', "Trackball", new osgGA::TrackballManipulator() );
keyswitchManipulator->addMatrixManipulator( '2', "Flight", new osgGA::FlightManipulator() );
keyswitchManipulator->addMatrixManipulator( '3', "Drive", new osgGA::DriveManipulator() );
keyswitchManipulator->addMatrixManipulator( '4', "Terrain", new osgGA::TerrainManipulator() );
std::string pathfile;
char keyForAnimationPath = '5';
while (arguments.read("-p",pathfile))
{
osgGA::AnimationPathManipulator* apm = new osgGA::AnimationPathManipulator(pathfile);
if (apm || !apm->valid())
{
unsigned int num = keyswitchManipulator->getNumMatrixManipulators();
keyswitchManipulator->addMatrixManipulator( keyForAnimationPath, "Path", apm );
keyswitchManipulator->selectMatrixManipulator(num);
++keyForAnimationPath;
}
}
viewer.setCameraManipulator( keyswitchManipulator.get() );
}
// add the state manipulator
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
// add the state manipulator
viewer.addEventHandler( new osgViewer::StatsHandler() );
viewer.addEventHandler( new osgViewer::WindowSizeHandler() );
// neeed to address.
// viewer.getScene()->getUpdateVisitor()->setTraversalMode(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN);
const char* p3dCursor = getenv("P3D_CURSOR");
std::string cursorFileName( p3dCursor ? p3dCursor : "");
while (arguments.read("--cursor",cursorFileName)) {}
while (arguments.read("--set-viewer")) { doSetViewer = true; }
while (arguments.read("--no-set-viewer")) { doSetViewer = false; }
// cluster related entries.
int socketNumber=8100;
while (arguments.read("-n",socketNumber)) {}
float camera_fov=-1.0f;
while (arguments.read("-f",camera_fov)) {}
float camera_offset=45.0f;
while (arguments.read("-o",camera_offset)) {}
std::string exportName;
while (arguments.read("--print",exportName)) {}
while (arguments.read("--html",exportName)) {}
// read any time delay argument.
float timeDelayBetweenSlides = 1.0f;
while (arguments.read("-d",timeDelayBetweenSlides)) {}
bool autoSteppingActive = false;
while (arguments.read("-a")) autoSteppingActive = true;
bool loopPresentation = false;
while (arguments.read("--loop")) loopPresentation = true;
// register the slide event handler - which moves the presentation from slide to slide, layer to layer.
SlideEventHandler* seh = new SlideEventHandler(&viewer);
viewer.addEventHandler(seh);
seh->setAutoSteppingActive(autoSteppingActive);
seh->setTimeDelayBetweenSlides(timeDelayBetweenSlides);
seh->setLoopPresentation(loopPresentation);
double targetFrameRate = 80.0;
while (arguments.read("--targetFrameRate",targetFrameRate)) {}
// set the time delay
float timeDelayOnNewSlideWithMovies = 0.4f;
while (arguments.read("--timeDelayOnNewSlideWithMovies",timeDelayOnNewSlideWithMovies)) {}
seh->setTimeDelayOnNewSlideWithMovies(timeDelayOnNewSlideWithMovies);
// set up optimizer options
unsigned int optimizer_options = osgUtil::Optimizer::DEFAULT_OPTIMIZATIONS;
bool relase_and_compile = false;
while (arguments.read("--release-and-compile"))
{
relase_and_compile = true;
}
seh->setReleaseAndCompileOnEachNewSlide(relase_and_compile);
if (relase_and_compile)
{
// make sure that imagery stays around after being applied to textures.
viewer.getDatabasePager()->setUnrefImageDataAfterApplyPolicy(true,false);
// optimizer_options &= ~osgUtil::Optimizer::OPTIMIZE_TEXTURE_SETTINGS;
// viewer.setRealizeSceneViewOptions(viewer.getRealizeSceneViewOptions() & ~osgUtil::SceneView::COMPILE_GLOBJECTS_AT_INIT);
}
//
// osgDB::Registry::instance()->getOrCreateDatabasePager()->setUnrefImageDataAfterApplyPolicy(true,false);
// optimizer_options &= ~osgUtil::Optimizer::OPTIMIZE_TEXTURE_SETTINGS;
// osg::Texture::getTextureObjectManager()->setExpiryDelay(0.0f);
// osgDB::Registry::instance()->getOrCreateDatabasePager()->setExpiryDelay(1.0f);
// register the handler for modifying the point size
PointsEventHandler* peh = new PointsEventHandler;
viewer.addEventHandler(peh);
// osg::DisplaySettings::instance()->setSplitStereoAutoAjustAspectRatio(false);
float width = osg::DisplaySettings::instance()->getScreenWidth();
float height = osg::DisplaySettings::instance()->getScreenHeight();
float distance = osg::DisplaySettings::instance()->getScreenDistance();
bool sizesSpecified = false;
while (arguments.read("-s", width, height, distance))
{
sizesSpecified = true;
osg::DisplaySettings::instance()->setScreenDistance(distance);
osg::DisplaySettings::instance()->setScreenHeight(height);
osg::DisplaySettings::instance()->setScreenWidth(width);
}
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
arguments.getApplicationUsage()->write(osg::notify(osg::NOTICE));
return 1;
}
P3DApplicationType P3DApplicationType = VIEWER;
str = getenv("PRESENT3D_TYPE");
if (str)
{
if (strcmp(str,"viewer")==0) P3DApplicationType = VIEWER;
else if (strcmp(str,"master")==0) P3DApplicationType = MASTER;
else if (strcmp(str,"slave")==0) P3DApplicationType = SLAVE;
}
while (arguments.read("--viewer")) { P3DApplicationType = VIEWER; }
while (arguments.read("--master")) { P3DApplicationType = MASTER; }
while (arguments.read("--slave")) { P3DApplicationType = SLAVE; }
while (arguments.read("--version"))
{
std::string appTypeName = "invalid";
switch(P3DApplicationType)
{
case(VIEWER): appTypeName = "viewer"; break;
case(MASTER): appTypeName = "master"; break;
case(SLAVE): appTypeName = "slave"; break;
}
osg::notify(osg::NOTICE)<<std::endl;
osg::notify(osg::NOTICE)<<"Present3D "<<appTypeName<<" version : "<<s_version<<std::endl;
osg::notify(osg::NOTICE)<<std::endl;
return 0;
}
// any option left unread are converted into errors to write out later.
//arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(osg::notify(osg::INFO));
return 1;
}
// read files name from arguments.
p3d::FileNameList xmlFiles, normalFiles;
if (!p3d::getFileNames(arguments, xmlFiles, normalFiles))
{
osg::notify(osg::NOTICE)<<std::endl;
osg::notify(osg::NOTICE)<<"No file specified, please specify and file to load."<<std::endl;
osg::notify(osg::NOTICE)<<std::endl;
return 1;
}
bool viewerInitialized = false;
if (!xmlFiles.empty())
{
osg::ref_ptr<osg::Node> holdingModel = p3d::readHoldingSlide(xmlFiles.front());
if (holdingModel.valid())
{
viewer.setSceneData(holdingModel.get());
if (!viewerInitialized)
{
// pass the global stateset to the point event handler so that it can
// alter the point size of all points in the scene.
peh->setStateSet(viewer.getCamera()->getOrCreateStateSet());
// create the windows and run the threads.
viewer.realize();
if (doSetViewer) setViewer(viewer, width, height, distance);
viewerInitialized = true;
}
seh->home();
// render a frame
viewer.frame();
}
}
osg::Timer timer;
osg::Timer_t start_tick = timer.tick();
osg::ref_ptr<osgDB::ReaderWriter::Options> cacheAllOption = new osgDB::ReaderWriter::Options;
cacheAllOption->setObjectCacheHint(osgDB::ReaderWriter::Options::CACHE_ALL);
osgDB::Registry::instance()->setOptions(cacheAllOption.get());
// read the scene from the list of file specified commandline args.
osg::ref_ptr<osg::Node> loadedModel = p3d::readShowFiles(arguments,cacheAllOption.get()); // osgDB::readNodeFiles(arguments, cacheAllOption.get());
osgDB::Registry::instance()->setOptions( 0 );
// if no model has been successfully loaded report failure.
if (!loadedModel)
{
osg::notify(osg::INFO) << arguments.getApplicationName() <<": No data loaded" << std::endl;
return 1;
}
osg::Timer_t end_tick = timer.tick();
osg::notify(osg::INFO) << "Time to load = "<<timer.delta_s(start_tick,end_tick)<<std::endl;
if (loadedModel->getNumDescriptions()>0)
{
for(unsigned int i=0; i<loadedModel->getNumDescriptions(); ++i)
{
const std::string& desc = loadedModel->getDescription(i);
if (desc=="loop")
{
osg::notify(osg::NOTICE)<<"Enabling looping"<<std::endl;
seh->setLoopPresentation(true);
}
else if (desc=="auto")
{
osg::notify(osg::NOTICE)<<"Enabling auto run"<<std::endl;
seh->setAutoSteppingActive(true);
}
}
}
#if 1
// add back in enabling of the GL_ALPHA_TEST to get around the core OSG no longer setting it by default for opaque bins.
// the alpha test is required for the volume rendering alpha clipping to work.
loadedModel->getOrCreateStateSet()->setMode(GL_ALPHA_TEST, osg::StateAttribute::ON);
#endif
// optimize the scene graph, remove rendundent nodes and state etc.
osgUtil::Optimizer optimizer;
optimizer.optimize(loadedModel.get(), optimizer_options);
if (!cursorFileName.empty())
{
osg::ref_ptr<osg::Group> group = new osg::Group;
group->addChild(loadedModel.get());
group->addChild(createCursorSubgraph(cursorFileName, 0.05f));
loadedModel = group.get();
}
// set the scene to render
viewer.setSceneData(loadedModel.get());
if (!viewerInitialized)
{
// pass the global stateset to the point event handler so that it can
// alter the point size of all points in the scene.
peh->setStateSet(viewer.getCamera()->getOrCreateStateSet());
// create the windows and run the threads.
viewer.realize();
if (doSetViewer) setViewer(viewer, width, height, distance);
viewerInitialized = true;
}
if (!cursorFileName.empty())
{
// switch off the cursor
osgViewer::Viewer::Windows windows;
viewer.getWindows(windows);
for(osgViewer::Viewer::Windows::iterator itr = windows.begin();
itr != windows.end();
++itr)
{
(*itr)->useCursor(false);
}
}
// pass the model to the slide event handler so it knows which to manipulate.
seh->set(loadedModel.get());
seh->home();
// osgDB::writeNodeFile(*loadedModel,"saved.osg");
osg::Timer_t startOfFrameTick = osg::Timer::instance()->tick();
double targetFrameTime = 1.0/targetFrameRate;
if (exportName.empty())
{
// objects for managing the broadcasting and recieving of camera packets.
CameraPacket cp;
Broadcaster bc;
Receiver rc;
bc.setPort(static_cast<short int>(socketNumber));
rc.setPort(static_cast<short int>(socketNumber));
bool masterKilled = false;
DataConverter scratchPad(1024);
while( !viewer.done() && !masterKilled)
{
// wait for all cull and draw threads to complete.
viewer.advance();
osg::Timer_t currentTick = osg::Timer::instance()->tick();
double deltaTime = osg::Timer::instance()->delta_s(startOfFrameTick, currentTick);
if (deltaTime<targetFrameTime)
{
OpenThreads::Thread::microSleep(static_cast<unsigned int>((targetFrameTime-deltaTime)*1000000.0));
}
startOfFrameTick = osg::Timer::instance()->tick();
#if 0
if (kmcb)
{
double time = kmcb->getTime();
viewer.getFrameStamp()->setReferenceTime(time);
}
#endif
#ifdef USE_SDL
sdlIntegration.update(viewer);
#endif
if (P3DApplicationType==MASTER)
{
// take camera zero as the guide.
osg::Matrix modelview(viewer.getCamera()->getViewMatrix());
cp.setPacket(modelview,viewer.getFrameStamp());
// cp.readEventQueue(viewer);
scratchPad.reset();
scratchPad.write(cp);
scratchPad.reset();
scratchPad.read(cp);
bc.setBuffer(scratchPad._startPtr, scratchPad._numBytes);
std::cout << "bc.sync()"<<scratchPad._numBytes<<std::endl;
bc.sync();
}
else if (P3DApplicationType==SLAVE)
{
rc.setBuffer(scratchPad._startPtr, scratchPad._numBytes);
rc.sync();
scratchPad.reset();
scratchPad.read(cp);
// cp.writeEventQueue(viewer);
if (cp.getMasterKilled())
{
std::cout << "Received master killed."<<std::endl;
// break out of while (!done) loop since we've now want to shut down.
masterKilled = true;
}
}
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.eventTraversal();
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.updateTraversal();
if (P3DApplicationType==SLAVE)
{
osg::Matrix modelview;
cp.getModelView(modelview,camera_offset);
viewer.getCamera()->setViewMatrix(modelview);
}
// fire off the cull and draw traversals of the scene.
if(!masterKilled)
viewer.renderingTraversals();
}
}
else
{
ExportHTML::write(seh, viewer, exportName);
}
return 0;
}