OpenSceneGraph/src/osgPlugins/ive/Node.cpp
2005-06-08 13:16:19 +00:00

163 lines
4.3 KiB
C++

/**********************************************************************
*
* FILE: Node.cpp
*
* DESCRIPTION: Read/Write osg::Node in binary format to disk.
*
* CREATED BY: Rune Schmidt Jensen
*
* HISTORY: Created 10.03.2003
*
* Copyright 2003 VR-C
**********************************************************************/
#include "Exception.h"
#include "Node.h"
#include "MatrixTransform.h"
#include "Group.h"
#include "Object.h"
#include "StateSet.h"
#include "AnimationPathCallback.h"
#include "ClusterCullingCallback.h"
using namespace ive;
void Node::write(DataOutputStream* out){
// Write node identification.
out->writeInt(IVENODE);
// Write out any inherited classes.
osg::Object* obj = dynamic_cast<osg::Object*>(this);
if(obj){
((ive::Object*)(obj))->write(out);
}
else
throw Exception("Node::write(): Could not cast this osg::Node to an osg::Object.");
// Write osg::node properties.
if ( out->getVersion() < VERSION_0012 )
{
// Write Name
out->writeString(getName());
}
// Write culling active
out->writeBool( getCullingActive());
// Write Descriptions
int nDesc = getDescriptions().size();
out->writeInt(nDesc);
if(nDesc!=0){
std::vector<std::string> desc = getDescriptions();
for(int i=0;i<nDesc;i++)
out->writeString(desc[i]);
}
// Write Stateset if any
out->writeBool( getStateSet()!=0);
if(getStateSet())
out->writeStateSet(getStateSet());
// Write UpdateCallback if any
osg::AnimationPathCallback* nc = dynamic_cast<osg::AnimationPathCallback*>(getUpdateCallback());
out->writeBool(nc!=0);
if(nc)
{
((ive::AnimationPathCallback*)(nc))->write(out);
}
if (out->getVersion() >= VERSION_0006)
{
osg::ClusterCullingCallback* ccc = dynamic_cast<osg::ClusterCullingCallback*>(getCullCallback());
out->writeBool(ccc!=0);
if(ccc)
{
((ive::ClusterCullingCallback*)(ccc))->write(out);
}
}
if (out->getVersion() >= VERSION_0010)
{
const osg::BoundingSphere& bs = getInitialBound();
out->writeBool(bs.valid());
if (bs.valid())
{
out->writeVec3(bs.center());
out->writeFloat(bs.radius());
}
}
// Write NodeMask
out->writeUInt(getNodeMask());
}
void Node::read(DataInputStream* in){
// Peak on the identification id.
int id = in->peekInt();
if(id == IVENODE){
id = in->readInt();
osg::Object* obj = dynamic_cast<osg::Object*>(this);
if(obj){
((ive::Object*)(obj))->read(in);
}
else
throw Exception("Node::read(): Could not cast this osg::Node to an osg::Object.");
if ( in->getVersion() < VERSION_0012 )
{
// Read name
setName(in->readString());
}
// Read Culling active
setCullingActive(in->readBool());
// Read descriptions
int nDesc = in->readInt();
if(nDesc!=0){
for(int i=0;i<nDesc;i++)
addDescription(in->readString());
}
// Read StateSet if any
if(in->readBool())
{
setStateSet(in->readStateSet());
}
// Read UpdateCallback if any
if(in->readBool())
{
osg::AnimationPathCallback* nc = new osg::AnimationPathCallback();
((ive::AnimationPathCallback*)(nc))->read(in);
setUpdateCallback(nc);
}
if (in->getVersion() >= VERSION_0006)
{
if(in->readBool())
{
osg::ClusterCullingCallback* ccc = new osg::ClusterCullingCallback();
((ive::ClusterCullingCallback*)(ccc))->read(in);
setCullCallback(ccc);
}
}
if (in->getVersion() >= VERSION_0010)
{
if (in->readBool())
{
osg::BoundingSphere bs;
bs.center() = in->readVec3();
bs.radius() = in->readFloat();
setInitialBound(bs);
}
}
// Read NodeMask
setNodeMask(in->readUInt());
}
else{
throw Exception("Node::read(): Expected Node identification");
}
}