Files
OpenSceneGraph/src/osgPlugins/osgTerrain/TerrainTile.cpp
2009-02-02 14:43:27 +00:00

298 lines
9.4 KiB
C++

#include <osgTerrain/TerrainTile>
#include <iostream>
#include <string>
#include <osg/Vec3>
#include <osg/Vec4>
#include <osg/io_utils>
#include <osgDB/ReadFile>
#include <osgDB/Registry>
#include <osgDB/Input>
#include <osgDB/Output>
#include <osgDB/ParameterOutput>
bool TerrainTile_readLocalData(osg::Object &obj, osgDB::Input &fr);
bool TerrainTile_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
osgDB::RegisterDotOsgWrapperProxy TerrainTile_Proxy
(
new osgTerrain::TerrainTile,
"TerrainTile",
"Object Node TerrainTile Group",
TerrainTile_readLocalData,
TerrainTile_writeLocalData
);
bool TerrainTile_readLocalData(osg::Object& obj, osgDB::Input &fr)
{
osgTerrain::TerrainTile& terrainTile = static_cast<osgTerrain::TerrainTile&>(obj);
bool itrAdvanced = false;
osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Locator>());
if (readObject.valid()) itrAdvanced = true;
osgTerrain::Locator* locator = dynamic_cast<osgTerrain::Locator*>(readObject.get());
if (locator) terrainTile.setLocator(locator);
if (fr.matchSequence("ElevationLayer {"))
{
int entry = fr[0].getNoNestedBrackets();
fr += 2;
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
bool localAdvanced = false;
osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Locator>());
osgTerrain::Locator* locator = dynamic_cast<osgTerrain::Locator*>(readObject.get());
if (readObject.valid()) localAdvanced = true;
unsigned int minLevel=0;
if (fr.read("MinLevel",minLevel))
{
itrAdvanced = true;
}
unsigned int maxLevel = MAXIMUM_NUMBER_OF_LEVELS;
if (fr.read("MaxLevel",maxLevel))
{
itrAdvanced = true;
}
if (fr.matchSequence("ProxyLayer %s") || fr.matchSequence("ProxyLayer %w") )
{
osgTerrain::ProxyLayer* proxyLayer = new osgTerrain::ProxyLayer;
proxyLayer->setFileName(fr[1].getStr());
if (locator) proxyLayer->setLocator(locator);
if (minLevel!=0) proxyLayer->setMinLevel(minLevel);
if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) proxyLayer->setMaxLevel(maxLevel);
terrainTile.setElevationLayer(proxyLayer);
fr += 2;
localAdvanced = true;
}
else
{
osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Layer>());
osgTerrain::Layer* readLayer = dynamic_cast<osgTerrain::Layer*>(readObject.get());
if (readLayer)
{
if (locator) readLayer->setLocator(locator);
if (minLevel!=0) readLayer->setMinLevel(minLevel);
if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) readLayer->setMaxLevel(maxLevel);
terrainTile.setElevationLayer(readLayer);
}
if (readObject.valid()) localAdvanced = true;
}
if (!localAdvanced) ++fr;
}
itrAdvanced = true;
}
bool firstMatched = false;
if ((firstMatched = fr.matchSequence("ColorLayer %i {")) || fr.matchSequence("ColorLayer {") )
{
unsigned int layerNum = 0;
if (firstMatched)
{
fr[1].getUInt(layerNum);
++fr;
}
int entry = fr[0].getNoNestedBrackets();
fr += 2;
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
bool localAdvanced = false;
osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Locator>());
osgTerrain::Locator* locator = dynamic_cast<osgTerrain::Locator*>(readObject.get());
if (readObject.valid()) localAdvanced = true;
unsigned int minLevel=0;
if (fr.read("MinLevel",minLevel))
{
itrAdvanced = true;
}
unsigned int maxLevel = MAXIMUM_NUMBER_OF_LEVELS;
if (fr.read("MaxLevel",maxLevel))
{
itrAdvanced = true;
}
if (fr.matchSequence("ProxyFile %s") || fr.matchSequence("ProxyFile %w") )
{
osg::ref_ptr<osg::Object> image = osgDB::readObjectFile(std::string(fr[1].getStr())+".gdal");
osgTerrain::ProxyLayer* proxyLayer = dynamic_cast<osgTerrain::ProxyLayer*>(image.get());
if (proxyLayer)
{
if (locator) proxyLayer->setLocator(locator);
if (minLevel!=0) proxyLayer->setMinLevel(minLevel);
if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) proxyLayer->setMaxLevel(maxLevel);
terrainTile.setColorLayer(layerNum, proxyLayer);
}
fr += 2;
localAdvanced = true;
}
else
{
osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Layer>());
osgTerrain::Layer* readLayer = dynamic_cast<osgTerrain::Layer*>(readObject.get());
if (readLayer)
{
if (locator) readLayer->setLocator(locator);
if (minLevel!=0) readLayer->setMinLevel(minLevel);
if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) readLayer->setMaxLevel(maxLevel);
terrainTile.setColorLayer(layerNum, readLayer);
}
if (readObject.valid()) localAdvanced = true;
}
if (!localAdvanced) ++fr;
}
itrAdvanced = true;
}
readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::TerrainTechnique>());
if (readObject.valid())
{
terrainTile.setTerrainTechnique(dynamic_cast<osgTerrain::TerrainTechnique*>(readObject.get()));
itrAdvanced = true;
}
if (osgTerrain::TerrainTile::getTileLoadedCallback().valid())
osgTerrain::TerrainTile::getTileLoadedCallback()->loaded(&terrainTile, fr.getOptions());
return itrAdvanced;
}
bool TerrainTile_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
{
const osgTerrain::TerrainTile& terrainTile = static_cast<const osgTerrain::TerrainTile&>(obj);
int prec = fw.precision();
fw.precision(15);
if (terrainTile.getLocator())
{
fw.writeObject(*terrainTile.getLocator());
}
if (terrainTile.getElevationLayer())
{
fw.indent()<<"ElevationLayer {"<<std::endl;
fw.moveIn();
const osgTerrain::ProxyLayer* proxyLayer = dynamic_cast<const osgTerrain::ProxyLayer*>(terrainTile.getElevationLayer());
if (proxyLayer)
{
if (!proxyLayer->getFileName().empty())
{
const osgTerrain::Locator* locator = proxyLayer->getLocator();
if (locator && !locator->getDefinedInFile())
{
fw.writeObject(*locator);
}
if (proxyLayer->getMinLevel()!=0)
{
fw.indent()<<"MinLevel "<<proxyLayer->getMinLevel()<<std::endl;
}
if (proxyLayer->getMaxLevel()!=MAXIMUM_NUMBER_OF_LEVELS)
{
fw.indent()<<"MaxLevel "<<proxyLayer->getMaxLevel()<<std::endl;
}
fw.indent()<<"ProxyLayer "<<proxyLayer->getFileName()<<std::endl;
}
}
else if (terrainTile.getElevationLayer())
{
fw.writeObject(*terrainTile.getElevationLayer());
}
fw.moveOut();
fw.indent()<<"}"<<std::endl;
}
for(unsigned int i=0; i<terrainTile.getNumColorLayers(); ++i)
{
const osgTerrain::Layer* layer = terrainTile.getColorLayer(i);
if (layer)
{
if (i>0)
{
fw.indent()<<"ColorLayer "<<i<<" {"<<std::endl;
}
else
{
fw.indent()<<"ColorLayer {"<<std::endl;
}
fw.moveIn();
const osgTerrain::ProxyLayer* proxyLayer = dynamic_cast<const osgTerrain::ProxyLayer*>(layer);
if (proxyLayer)
{
const osgTerrain::Locator* locator = proxyLayer->getLocator();
if (locator && !locator->getDefinedInFile())
{
fw.writeObject(*locator);
}
if (proxyLayer->getMinLevel()!=0)
{
fw.indent()<<"MinLevel "<<proxyLayer->getMinLevel()<<std::endl;
}
if (proxyLayer->getMaxLevel()!=MAXIMUM_NUMBER_OF_LEVELS)
{
fw.indent()<<"MaxLevel "<<proxyLayer->getMaxLevel()<<std::endl;
}
if (!proxyLayer->getFileName().empty()) fw.indent()<<"ProxyLayer "<<proxyLayer->getFileName()<<std::endl;
}
else if (layer)
{
fw.writeObject(*terrainTile.getColorLayer(i));
}
fw.moveOut();
fw.indent()<<"}"<<std::endl;
}
}
if (terrainTile.getTerrainTechnique())
{
fw.writeObject(*terrainTile.getTerrainTechnique());
}
fw.precision(prec);
return true;
}