OpenSceneGraph/src/osgPlugins/ive/Impostor.cpp

55 lines
1.8 KiB
C++

/**********************************************************************
*
* FILE: Impostor.cpp
*
* DESCRIPTION: Read/Write osg::Impostor in binary format to disk.
*
* CREATED BY: Auto generated by iveGenerator
* and later modified by Rune Schmidt Jensen.
*
* HISTORY: Created 16.4.2003
*
* Copyright 2003 VR-C
**********************************************************************/
#include "Exception.h"
#include "Impostor.h"
#include "LOD.h"
using namespace ive;
void Impostor::write(DataOutputStream* out){
// Write Impostor's identification.
out->writeInt(IVEIMPOSTOR);
// If the osg class is inherited by any other class we should also write this to file.
osg::LOD* lod = dynamic_cast<osg::LOD*>(this);
if(lod){
((ive::LOD*)(lod))->write(out);
}
else
out_THROW_EXCEPTION("Impostor::write(): Could not cast this osg::Impostor to an osg::LOD.");
// Write Impostor's properties.
out->writeFloat(getImpostorThreshold());
}
void Impostor::read(DataInputStream* in){
// Peek on Impostor's identification.
int id = in->peekInt();
if(id == IVEIMPOSTOR){
// Read Impostor's identification.
id = in->readInt();
// If the osg class is inherited by any other class we should also read this from file.
osg::LOD* lod = dynamic_cast<osg::LOD*>(this);
if(lod){
((ive::LOD*)(lod))->read(in);
}
else
in_THROW_EXCEPTION("Impostor::read(): Could not cast this osg::Impostor to an osg::LOD.");
// Read Impostor's properties
setImpostorThreshold(in->readFloat());
}
else{
in_THROW_EXCEPTION("Impostor::read(): Expected Impostor identification.");
}
}