// Copyright (C) 2002-2003 Gideon May (gideon@computer.org)
//
// Permission to copy, use, sell and distribute this software is granted
// provided this copyright notice appears in all copies.
// Permission to modify the code and to distribute modified code is granted
// provided this copyright notice appears in all copies, and a notice
// that the code was modified is included with the copyright notice.
//
// This software is provided "as is" without express or implied warranty,
// and with no claim as to its suitability for any purpose.

#include <boost/python/class.hpp>
#include <boost/python/implicit.hpp>
#include <boost/python/return_internal_reference.hpp>
#include <boost/python/scope.hpp>
#include <boost/python/enum.hpp>

#include <osg/TexEnv>

#include "StateAttribute.hpp"
#include "held_ptr.hpp"

using namespace boost::python;

namespace {
osg::TexEnv * asTexEnv(osg::StateAttribute * self) { return dynamic_cast<osg::TexEnv*>(self); }
}

namespace PyOSG {
void init_TexEnv()
{
    register_castStateAttribute("asTexEnv", &asTexEnv);

    class_<osg::TexEnv, osg::ref_ptr<osg::TexEnv>, bases<osg::StateAttribute> > texenv("TexEnv",
            "TexEnv - encapsulates the OpenGL glTexEnv (texture environment) state.",
            no_init);

    scope texenv_scope(texenv);

    texenv
        .def(init<>())

        .def("setMode", &osg::TexEnv::setMode)
        .def("getMode", &osg::TexEnv::getMode)
        .def("setColor", &osg::TexEnv::setColor)
        .def("getColor", (osg::Vec4&(osg::TexEnv::*)()) &osg::TexEnv::getColor, return_internal_reference<>())
        ;

#   define OSG_ENUM_MODE(VALUE) \
    (mode.value(#VALUE, osg::TexEnv::VALUE), \
    texenv.def(#VALUE, object(osg::TexEnv::VALUE)))
    enum_<osg::TexEnv::Mode> mode("Mode");
    OSG_ENUM_MODE(DECAL);
    OSG_ENUM_MODE(MODULATE);
    OSG_ENUM_MODE(BLEND);
    OSG_ENUM_MODE(REPLACE);
    OSG_ENUM_MODE(ADD);
}
} // namespace PyOSG