OpenSceneGraph/src/osgPlugins/ive/CompositeLayer.cpp
Robert Osfield ed617f87df Introduce the concept of layer set name, using the osg::Object::s/getName() to store
the setname, and using a compound string (set:setname:filename) in place of standard filename when reading and writing
files.
2008-08-28 16:15:57 +00:00

83 lines
2.5 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#include "Exception.h"
#include "CompositeLayer.h"
#include "Layer.h"
using namespace ive;
void CompositeLayer::write(DataOutputStream* out)
{
// Write Layer's identification.
out->writeInt(IVECOMPOSITELAYER);
// If the osg class is inherited by any other class we should also write this to file.
osgTerrain::Layer* layer = dynamic_cast<osgTerrain::Layer*>(this);
if (layer)
((ive::Layer*)(layer))->write(out);
else
throw Exception("CompositeLayer::write(): Could not cast this osgLayer::CompositeLayer to an osgTerrain::Layer.");
LayerHelper helper;
out->writeUInt(getNumLayers());
for(unsigned int i=0; i<getNumLayers(); ++i)
{
if(getLayer(i))
{
out->writeBool(true);
helper.writeLayer(out, getLayer(i));
}
else
{
out->writeBool(false);
out->writeString(getCompoundName(i));
}
}
}
void CompositeLayer::read(DataInputStream* in)
{
// Peek on Layer's identification.
int id = in->peekInt();
if (id != IVECOMPOSITELAYER)
throw Exception("CompositeLayer::read(): Expected CompositeLayer identification.");
// Read Layer's identification.
id = in->readInt();
// If the osg class is inherited by any other class we should also read this from file.
osgTerrain::Layer* layer = dynamic_cast<osgTerrain::Layer*>(this);
if (layer)
((ive::Layer*)(layer))->read(in);
else
throw Exception("CompositeLayer::read(): Could not cast this osgLayer::Layer to an osg::Group.");
LayerHelper helper;
unsigned int numLayers = in->readUInt();
for(unsigned int i=0; i<numLayers; ++i)
{
bool readInlineLayer = in->readBool();
if (readInlineLayer)
{
addLayer(helper.readLayer(in));
}
else
{
addLayer(in->readString());
}
}
}