From Michael Gronager, osgSim::VisibilityGroup

src/osgPlugins/osgSim/IO_VisibilityGroup.cpp

@@ -0,0 +1,79 @@
+#include "osgSim/VisibilityGroup"
+
+#include "osgDB/Registry"
+#include "osgDB/Input"
+#include "osgDB/Output"
+
+using namespace osg;
+using namespace osgSim;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool VisibilityGroup_readLocalData(Object& obj, Input& fr);
+bool VisibilityGroup_writeLocalData(const Object& obj, Output& fw);
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_VisibilityGroupProxy
+(
+    new VisibilityGroup,
+    "VisibilityGroup",
+    "Object Node VisibilityGroup Group",
+    &VisibilityGroup_readLocalData,
+    &VisibilityGroup_writeLocalData
+);
+
+bool VisibilityGroup_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    VisibilityGroup& vg = static_cast<VisibilityGroup&>(obj);
+
+    unsigned int mask = vg.getVolumeIntersectionMask();
+    if (fr[0].matchWord("volumeIntersectionMask") && fr[1].getUInt(mask))
+    {
+        vg.setNodeMask(mask);
+        fr+=2;
+        iteratorAdvanced = true;
+    }
+
+    if (fr[0].matchWord("segmentLength"))
+    {
+        if (fr[1].isFloat())
+        {
+            float value;
+            fr[1].getFloat(value);
+            vg.setSegmentLength(value);
+            iteratorAdvanced = true;
+            fr += 2;
+        }
+    }
+
+    if (fr.matchSequence("visibilityVolume"))
+    {
+//        int entry = fr[0].getNoNestedBrackets();
+        ++fr;
+        Node* node = NULL;
+        if((node=fr.readNode())!=NULL)
+        {
+            vg.setVisibilityVolume(node);
+            iteratorAdvanced = true;
+        }
+    }
+
+    return iteratorAdvanced;
+}
+
+
+bool VisibilityGroup_writeLocalData(const Object& obj, Output& fw)
+{
+    const VisibilityGroup& vg = static_cast<const VisibilityGroup&>(obj);
+
+    fw.indent()<<"volumeIntersectionMask 0x"<<std::hex<<vg.getVolumeIntersectionMask()<<std::dec<<std::endl;
+    fw.indent()<<"segmentLength "<<vg.getSegmentLength()<<std::endl;
+    fw.indent()<<"visibilityVolume" <<std::endl;
+    fw.moveIn();
+    fw.writeObject(*vg.getVisibilityVolume());
+    fw.moveOut();
+
+    return true;
+}