Files
OpenSceneGraph/src/osgPlugins/osg/LightSource.cpp
Robert Osfield 4dd273de70 Added support for ReferenceFrame into osg::LightSource, modified the .osg
plugin and cull visitor to account for this change.
2003-01-16 16:37:24 +00:00

72 lines
1.9 KiB
C++

#include "osg/LightSource"
#include "osgDB/Registry"
#include "osgDB/Input"
#include "osgDB/Output"
using namespace osg;
using namespace osgDB;
// forward declare functions to use later.
bool LightSource_readLocalData(Object& obj, Input& fr);
bool LightSource_writeLocalData(const Object& obj, Output& fw);
// register the read and write functions with the osgDB::Registry.
RegisterDotOsgWrapperProxy g_LightSourceProxy
(
new osg::LightSource,
"LightSource",
"Object Node LightSource",
&LightSource_readLocalData,
&LightSource_writeLocalData
);
bool LightSource_readLocalData(Object& obj, Input& fr)
{
bool iteratorAdvanced = false;
LightSource& lightsource = static_cast<LightSource&>(obj);
if (fr[0].matchWord("referenceFrame")) {
if (fr[1].matchWord("RELATIVE_TO_ABSOLUTE")) {
lightsource.setReferenceFrame(LightSource::RELATIVE_TO_ABSOLUTE);
fr += 2;
iteratorAdvanced = true;
}
if (fr[1].matchWord("RELATIVE_TO_PARENTS")) {
lightsource.setReferenceFrame(LightSource::RELATIVE_TO_PARENTS);
fr += 2;
iteratorAdvanced = true;
}
}
StateAttribute* light=fr.readStateAttribute();
if (light)
{
lightsource.setLight(light);
iteratorAdvanced = true;
}
return iteratorAdvanced;
}
bool LightSource_writeLocalData(const Object& obj, Output& fw)
{
const LightSource& lightsource = static_cast<const LightSource&>(obj);
fw.indent() << "referenceFrame ";
switch (lightsource.getReferenceFrame()) {
case LightSource::RELATIVE_TO_ABSOLUTE:
fw << "RELATIVE_TO_ABSOLUTE\n";
break;
case LightSource::RELATIVE_TO_PARENTS:
default:
fw << "RELATIVE_TO_PARENTS\n";
};
if (lightsource.getLight()) fw.writeObject(*lightsource.getLight());
return true;
}