#include "osg/Depth"#include "osgDB/Registry"#include "osgDB/Input"#include "osgDB/Output"using namespace osg;using namespace osgDB;// forward declare functions to use later.bool Depth_readLocalData(Object& obj, Input& fr);bool Depth_writeLocalData(const Object& obj, Output& fw);bool Depth_matchFuncStr(const char* str,Depth::Function& func);const char* Depth_getFuncStr(Depth::Function func);// register the read and write functions with the osgDB::Registry.RegisterDotOsgWrapperProxy g_DepthProxy(    new osg::Depth,    "Depth",    "Object StateAttribute Depth",    &Depth_readLocalData,    &Depth_writeLocalData);bool Depth_readLocalData(Object& obj, Input& fr){    bool iteratorAdvanced = false;    Depth& depth = static_cast<Depth&>(obj);        Depth::Function func;    if (fr[0].matchWord("function") && Depth_matchFuncStr(fr[1].getStr(),func))    {        depth.setFunction(func);        fr+=2;        iteratorAdvanced = true;    }    if (fr[0].matchWord("writeMask"))    {        if (fr[1].matchWord("TRUE") || fr[1].matchWord("ON"))        {            depth.setWriteMask(true);            fr+=2;            iteratorAdvanced = true;        }        else if (fr[1].matchWord("FALSE") || fr[1].matchWord("OFF"))        {            depth.setWriteMask(false);            fr+=2;            iteratorAdvanced = true;        }    }    double znear,zfar;    if (fr[0].matchWord("range") && fr[1].getFloat(znear) && fr[2].getFloat(zfar))    {        depth.setRange(znear,zfar);        fr+=2;        iteratorAdvanced = true;    }    return iteratorAdvanced;}bool Depth_writeLocalData(const Object& obj,Output& fw){    const Depth& depth = static_cast<const Depth&>(obj);    fw.indent() << "function " << Depth_getFuncStr(depth.getFunction()) << std::endl;        fw.indent() << "writeMask ";    if (depth.getWriteMask()) fw << "TRUE" << std::endl;    else fw << "FALSE" << std::endl;        fw.indent() << "range " << depth.getZNear() << " " << depth.getZFar() << std::endl;    return true;}bool Depth_matchFuncStr(const char* str,Depth::Function& func){    if (strcmp(str,"NEVER")==0) func = Depth::NEVER;    else if (strcmp(str,"LESS")==0) func = Depth::LESS;    else if (strcmp(str,"EQUAL")==0) func = Depth::EQUAL;    else if (strcmp(str,"LEQUAL")==0) func = Depth::LEQUAL;    else if (strcmp(str,"GREATER")==0) func = Depth::GREATER;    else if (strcmp(str,"NOTEQUAL")==0) func = Depth::NOTEQUAL;    else if (strcmp(str,"GEQUAL")==0) func = Depth::GEQUAL;    else if (strcmp(str,"ALWAYS")==0) func = Depth::ALWAYS;    else return false;    return true;}const char* Depth_getFuncStr(Depth::Function func){    switch(func)    {        case(Depth::NEVER): return "NEVER";        case(Depth::LESS): return "LESS";        case(Depth::EQUAL): return "EQUAL";        case(Depth::LEQUAL): return "LEQUAL";        case(Depth::GREATER): return "GREATER";        case(Depth::NOTEQUAL): return "NOTEQUAL";        case(Depth::GEQUAL): return "GEQUAL";        case(Depth::ALWAYS): return "ALWAYS";    }    return "";}