137 lines
3.4 KiB
C++
137 lines
3.4 KiB
C++
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#include "osg/Billboard"
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#include "osgDB/Registry"
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#include "osgDB/Input"
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#include "osgDB/Output"
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using namespace osg;
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using namespace osgDB;
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// forward declare functions to use later.
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bool Billboard_readLocalData(Object& obj, Input& fr);
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bool Billboard_writeLocalData(const Object& obj, Output& fw);
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// register the read and write functions with the osgDB::Registry.
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RegisterDotOsgWrapperProxy g_BillboardProxy
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(
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new osg::Billboard,
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"Billboard",
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"Object Node Geode Billboard",
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&Billboard_readLocalData,
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&Billboard_writeLocalData
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);
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bool Billboard_readLocalData(Object& obj, Input& fr)
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{
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bool iteratorAdvanced = false;
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Billboard& billboard = static_cast<Billboard&>(obj);
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if (fr[0].matchWord("Mode"))
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{
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if (fr[1].matchWord("AXIAL_ROT"))
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{
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billboard.setMode(Billboard::AXIAL_ROT);
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fr+=2;
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iteratorAdvanced = true;
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}
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else if (fr[1].matchWord("POINT_ROT_EYE"))
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{
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billboard.setMode(Billboard::POINT_ROT_EYE);
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fr+=2;
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iteratorAdvanced = true;
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}
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else if (fr[1].matchWord("POINT_ROT_WORLD"))
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{
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billboard.setMode(Billboard::POINT_ROT_WORLD);
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fr+=2;
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iteratorAdvanced = true;
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}
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}
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if (fr[0].matchWord("Axis"))
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{
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float x,y,z;
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if (fr[1].getFloat(x) && fr[2].getFloat(y) && fr[3].getFloat(z))
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{
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billboard.setAxis(Vec3(x,y,z));
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fr+=4;
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iteratorAdvanced = true;
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}
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}
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// read the position data.
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bool matchFirst = false;
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if ((matchFirst=fr.matchSequence("Positions {")) || fr.matchSequence("Positions %i {"))
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{
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// set up coordinates.
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int entry = fr[0].getNoNestedBrackets();
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Billboard::PositionList& positionList = billboard.getPositionList();
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positionList.clear();
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if (matchFirst)
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{
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fr += 2;
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}
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else
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{
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//positionList.(capacity);
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fr += 3;
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}
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Vec3 pos;
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while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
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{
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if (fr[0].getFloat(pos[0]) && fr[1].getFloat(pos[1]) && fr[2].getFloat(pos[2]))
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{
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fr += 3;
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positionList.push_back(pos);
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}
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else
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{
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++fr;
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}
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}
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iteratorAdvanced = true;
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++fr;
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}
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return iteratorAdvanced;
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}
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bool Billboard_writeLocalData(const Object& obj, Output& fw)
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{
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const Billboard& billboard = static_cast<const Billboard&>(obj);
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switch(billboard.getMode())
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{
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case(Billboard::AXIAL_ROT): fw.indent() << "Mode AXIAL_ROT"<<endl; break;
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case(Billboard::POINT_ROT_EYE): fw.indent() << "Mode POINT_ROT_EYE"<<endl; break;
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case(Billboard::POINT_ROT_WORLD): fw.indent() << "Mode POINT_ROT_WORLD"<<endl; break;
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}
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const Vec3& axis = billboard.getAxis();
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fw.indent() << "Axis " << axis[0] << " "<<axis[1]<<" "<<axis[2]<<endl;
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fw.indent() << "Positions {"<<endl;
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fw.moveIn();
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Billboard::PositionList positionList = billboard.getPositionList();
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for(Billboard::PositionList::iterator piter = positionList.begin();
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piter != positionList.end();
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++piter)
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{
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fw.indent() << (*piter)[0] << " "<<(*piter)[1]<<" "<<(*piter)[2]<<endl;
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}
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fw.moveOut();
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fw.indent() << "}"<<endl;
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return true;
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}
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