// ----------------------------------------------------------------------------
//  TransparentXVL (ALEX SDK sample)
//  Aron Gombas
//  (C) 3NF Corp.
// ----------------------------------------------------------------------------

#include    <stdio.h>

#include    "ALEX.hpp"

// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------

const char *applicationName = "TransparentXVL";

// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------

/**
 * This sample program:
 * - deletes all original materials
 * - adds one transparent blue material
 * - applies this material to the whole model
 */
int     main (int argc, char *argv[])

{
    printf ("%s\n", applicationName);
    printf ("(%s %s)\n", __DATE__, __TIME__);
    printf ("Copyright (C) 2003 3NF Corporation. All rights reserved.\n");
    printf ("support@3nf.com\n");
    printf ("http://www.3nf.com\n\n");

    printf ("Abstract Library for XVL, Version %s\n", ALEXVersion);
    printf ("Copyright (C) 2001-2002 3NF Corporation. All rights reserved.\n\n");

    if (argc < 3) {
        printf ("Usage: %s inputfile outputfile\n", argv[0]);
        return 1;
    }

    // init
    XMLPlatformUtils::Initialize ();

    // load XVL
    printf ("Opening \"%s\"...\n", argv[1]);
    DOMDocument *doc = XVLFileIO::ReadXVL (argv[1]);

    // delete all materials
    DOMNodeList *materialNodes = XVLMaterialManager::GetMaterialNodes (doc);
    std::vector<const XMLCh *> materialNames;
    for (long i = 0; i < materialNodes->getLength (); i++) {
        XVLMaterial m ((DOMElement *)materialNodes->item (i));
        materialNames.push_back (m.GetID ());
    }
    for (std::vector<const XMLCh *>::iterator it = materialNames.begin (); it != materialNames.end (); it++) {
        StrX name (*it);
        printf ("Deleting material \"%s\"...\n", name.localForm ());
        XVLMaterialManager::DeleteMaterial (doc, *it);
    }

    // add new material
    XMLCh materialName[] = L"Glass";

    printf ("Adding new material...\n");
    XVLMaterial m = XVLMaterialManager::AddMaterial (doc, materialName);
    m.SetDiffuseColor (0x00FF6666);
    m.SetSpecularColor (0x00FFAA88);
    m.SetShininess (0.5);
    m.SetTransparency (0.4);

    // apply new material to the whole model
    printf ("Applying new material...\n");
    DOMTreeWalker *walker = XVLHierarchyManager::GetHierarchy (doc);
    walker->firstChild ();
    XVLGroupable *root = XVLGroupable::GetInstance ((DOMElement *)walker->getCurrentNode ());
    root->SetMaterial (materialName);

    // save XVL
    printf ("Saving \"%s\"...\n", argv[2]);
    XVLFileIO::WriteXVL (argv[2], doc, 0);

    // close
    XMLPlatformUtils::Terminate ();

    return 0;
}