// 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/call.hpp>
#include <boost/python/return_internal_reference.hpp>
#include <boost/python/return_value_policy.hpp>
#include <boost/python/copy_const_reference.hpp>
#include <boost/ref.hpp>

#include <osg/Texture2D>
#include <osgSim/ImpostorSprite>
#include <osgSim/Impostor>

#include <string>
#include <iostream>

#include "held_ptr.hpp"
#include "Math.hpp"

using namespace boost::python;

namespace PyOSGSim {
void init_ImpostorSprite()
{
    class_<osgSim::ImpostorSprite, osg::ref_ptr<osgSim::ImpostorSprite>, bases<osg::Drawable>, boost::noncopyable >("ImpostorSprite",
            "An ImposterSprite is a textured quad which is rendered in place a \n"
            "3D geometry.  The ImposterSprite is generated by rendering the original\n"
            "3D geometry to a texture as an image cache. The ImpostorSprite is\n"
            "automatically generated by the osgUtil::CullVisitor so it not\n"
            "necessary to deal with it directly.\n",
            no_init)
        .def(init<>())
        .def("setParent", &osgSim::ImpostorSprite::setParent,
            "Set the parent, which must be an Impostor. \n"
            "Unlike conventional Drawables, ImpostorSprite's can only ever have\n"
            "one parent.\n"
            )

        .def("getParent",
            (osgSim::Impostor *(osgSim::ImpostorSprite::*)()) &osgSim::ImpostorSprite::getParent,
            return_value_policy<manage_osg_object>(),
            "Get the parent, which is an Impostor. \n")

        .def("setStoredLocalEyePoint", &osgSim::ImpostorSprite::setStoredLocalEyePoint, "Set the eye point for when the ImpsotorSprite was snapped.\n")

        .def("getStoredLocalEyePoint",
            &osgSim::ImpostorSprite::getStoredLocalEyePoint,
            return_value_policy<copy_const_reference>(),
            "Get the eye point for when the ImpsotorSprite was snapped.\n")

        .def("setLastFrameUsed", &osgSim::ImpostorSprite::setLastFrameUsed, "Set the frame number for when the ImpostorSprite was last used in rendering.\n")

        .def("getLastFrameUsed", &osgSim::ImpostorSprite::getLastFrameUsed, "Get the frame number for when the ImpostorSprite was last used in rendering.\n")

        .def("getCoords",
            (osg::Vec3 *(osgSim::ImpostorSprite::*)()) &osgSim::ImpostorSprite::getCoords,
            return_internal_reference<>(),
            "Get the coordinates of the corners of the quad.\n"
            "Stored in the order, [0] - top_left, [1] - bottom_left, [2] - bottom_right, [3] - top_left.")

        .def("getTexCoords",
            (osg::Vec2 *(osgSim::ImpostorSprite::*)()) &osgSim::ImpostorSprite::getTexCoords,
            return_internal_reference<>(),
            "Get the texture coordinates of the corners of the quad.\n"
            "Stored in the order, [0] - top_left, [1] - bottom_left, [2] - bottom_right, [3] - top_left.")


        .def("calcPixelError", &osgSim::ImpostorSprite::calcPixelError,
            "calculate the pixel error value for passing in the ModelViewProjectionWindow transform,\n"
            "which transform local coords into screen space.\n")

        .def("setTexture", &osgSim::ImpostorSprite::setTexture)

        .def("getTexture",
            (osg::Texture2D *(osgSim::ImpostorSprite::*)()) &osgSim::ImpostorSprite::getTexture,
            return_value_policy<manage_osg_object>())
        .def("s", &osgSim::ImpostorSprite::s)
        .def("t", &osgSim::ImpostorSprite::t)
        ;
}
} // namespace PyOSG