#define SDL_MAIN_HANDLED

#include <abc.h>
#include <dtx.h>
#include <rez.h>
#include <GL/gl.h>
#include <osg/GLExtensions>
#include <osg/State>
#include <osgViewer/GraphicsWindow>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <cstdlib>
#include <cstdio>
#include <iostream>

int main(int argc, char *argv[])
{
    std::unique_ptr<rez::file> f, abcf;
    rez::ball b("globalops.rez");
    abc abc;
    dtx dtx;
    osgViewer::Viewer viewer;
    osg::Camera *cam;
    osg::GraphicsContext *gfx;
    osg::State *state;
    osg::GLExtensions *ext;
    osgViewer::GraphicsWindow *gfxw;

    viewer.setUpViewInWindow(0, 0, 640, 480);
    viewer.realize();
    cam = viewer.getCamera();
    gfx = cam->getGraphicsContext();
    gfxw = dynamic_cast<osgViewer::GraphicsWindow *>(gfx);

    if (!gfxw)
    {
        std::cerr << "Failed to cast osgViewe::GraphicContext to "
            "osgViewer::GraphicsWindow\n";
        return EXIT_FAILURE;
    }

    gfxw->setWindowName("GlobalOps");
    state = gfx->getState();
    state->initializeExtensionProcs();
    ext = osg::GLExtensions::Get(state->getContextID(), true);

    if (!ext)
    {
        std::cerr << "osg::GLExtensions::Get failed\n";
        return EXIT_FAILURE;
    }
    else if (!ext->isCompressedTexImage2DSupported())
    {
        std::cerr << "OpenGL extension glCompressedTextImage2D not supported\n";
        return EXIT_FAILURE;
    }
    else if (!ext->isTextureCompressionS3TCSupported)
    {
        std::cerr << "OpenGL extension GL_EXT_texture_compression_s3tc "
            "not supported\n";
        return EXIT_FAILURE;
    }
    else if (b.parse()
        || !(f = b.open("interface/blueprints/antarctica_tacmap.dtx"))
        || dtx.parse(*f)
        || !(f = b.open("models/grenades/v_frag.abc"))
        || abc.parse(*f))
        return EXIT_FAILURE;

    return viewer.run();
}