[Chip]

render principale

Codice PHP:

void CQuake3EventHandler::Render()
{
    IVideoDriver * driver = Game->Device->getVideoDriver();
    if ( 0 == driver )
        return;

    // TODO: This does not work, yet.
    const bool anaglyph=false;
    if (anaglyph)
    {
        scene::ICameraSceneNode* cameraOld = Game->Device->getSceneManager()->getActiveCamera();
        driver->beginScene(true, true, SColor(0,0,0,0));
        driver->getOverrideMaterial().Material.ColorMask = ECP_NONE;
        driver->getOverrideMaterial().EnableFlags  = EMF_COLOR_MASK;
        driver->getOverrideMaterial().EnablePasses = ESNRP_SKY_BOX +
                                                     ESNRP_SOLID +
                                                     ESNRP_TRANSPARENT +
                                                     ESNRP_TRANSPARENT_EFFECT +
                                                     ESNRP_SHADOW;
        Game->Device->getSceneManager()->drawAll();
        driver->clearZBuffer();

        const vector3df oldPosition = cameraOld->getPosition();
        const vector3df oldTarget   = cameraOld->getTarget();
        const matrix4 startMatrix   = cameraOld->getAbsoluteTransformation();
        const vector3df focusPoint  = (oldTarget -
                cameraOld->getAbsolutePosition()).setLength(10000) +
                cameraOld->getAbsolutePosition() ;

        scene::ICameraSceneNode* camera = cameraOld;//Game->Device->getSceneManager()->addCameraSceneNode();

        //Left eye...
        vector3df pos;
        matrix4   move;

        move.setTranslation( vector3df(-1.5f,0.0f,0.0f) );
        pos=(startMatrix*move).getTranslation();

        driver->getOverrideMaterial().Material.ColorMask = ECP_RED;
        driver->getOverrideMaterial().EnableFlags  = EMF_COLOR_MASK;
        driver->getOverrideMaterial().EnablePasses =
                ESNRP_SKY_BOX|ESNRP_SOLID|ESNRP_TRANSPARENT|
                ESNRP_TRANSPARENT_EFFECT|ESNRP_SHADOW;

        camera->setPosition(pos);
        camera->setTarget(focusPoint);

        Game->Device->getSceneManager()->drawAll();
        driver->clearZBuffer();

        //Right eye...
        move.setTranslation( vector3df(1.5f,0.0f,0.0f) );
        pos=(startMatrix*move).getTranslation();

        driver->getOverrideMaterial().Material.ColorMask = ECP_GREEN + ECP_BLUE;
        driver->getOverrideMaterial().EnableFlags  = EMF_COLOR_MASK;
        driver->getOverrideMaterial().EnablePasses =
                ESNRP_SKY_BOX|ESNRP_SOLID|ESNRP_TRANSPARENT|
                ESNRP_TRANSPARENT_EFFECT|ESNRP_SHADOW;

        camera->setPosition(pos);
        camera->setTarget(focusPoint);

        Game->Device->getSceneManager()->drawAll();

        driver->getOverrideMaterial().Material.ColorMask=ECP_ALL;
        driver->getOverrideMaterial().EnableFlags=0;
        driver->getOverrideMaterial().EnablePasses=0;

        if (camera != cameraOld)
        {
            Game->Device->getSceneManager()->setActiveCamera(cameraOld);
            camera->remove();
        }
        else
        {
            camera->setPosition(oldPosition);
            camera->setTarget(oldTarget);
        }
    }
    else
    {
        driver->beginScene(true, true, SColor(0,0,0,0));
        Game->Device->getSceneManager()->drawAll();
    }
    Game->Device->getGUIEnvironment()->drawAll();
    driver->endScene();
} 


Aggiorna il nodo generico della scena

Codice PHP:

void CQuake3EventHandler::Animate()
{
    u32 now = Game->Device->getTimer()->getTime();

    Q3Player * player = Player + 0;

    checkTimeFire ( player->Anim, 4, now );

    // Query Scene Manager attributes
    if ( player->Anim[0].flags & FIRED )
    {
        ISceneManager *smgr = Game->Device->getSceneManager ();
        wchar_t msg[128];
        IVideoDriver * driver = Game->Device->getVideoDriver();

        IAttributes * attr = smgr->getParameters();
#ifdef _IRR_SCENEMANAGER_DEBUG                  
        swprintf ( msg, 128,
            L"Q3 %s [%ls], FPS:%03d Tri:%.03fm Cull %d/%d nodes (%d,%d,%d)",
            Game->CurrentMapName.c_str(),
            driver->getName(),
            driver->getFPS (),
            (f32) driver->getPrimitiveCountDrawn( 0 ) * ( 1.f / 1000000.f ),
            attr->getAttributeAsInt ( "culled" ),
            attr->getAttributeAsInt ( "calls" ),
            attr->getAttributeAsInt ( "drawn_solid" ),
            attr->getAttributeAsInt ( "drawn_transparent" ),
            attr->getAttributeAsInt ( "drawn_transparent_effect" )
            );
#else
swprintf ( msg, 128,
            L"Q3 %s [%ls], FPS:%03d Tri:%.03fm",
            Game->CurrentMapName.c_str(),
            driver->getName(),
            driver->getFPS (),
            (f32) driver->getPrimitiveCountDrawn( 0 ) * ( 1.f / 1000000.f )
            );      
#endif      
        Game->Device->setWindowCaption( msg );

        swprintf ( msg, 128,
                    L"%03d fps, F1 GUI on/off, F2 respawn, F3-F6 toggle Nodes, F7 Collision on/off"
                    L", F8 Gravity on/off, Right Mouse Toggle GUI",
                    Game->Device->getVideoDriver()->getFPS ()
                );
        if ( gui.StatusLine )
            gui.StatusLine->setText ( msg );
        player->Anim[0].flags &= ~FIRED;
    }

    // idle..
    if ( player->Anim[1].flags & FIRED )
    {
        if ( strcmp ( player->animation, "idle" ) )
            player->setAnim ( "idle" );

        player->Anim[1].flags &= ~FIRED;
    }

    createParticleImpacts ( now );

} 


I principali stati del game

Codice PHP:

void runGame ( GameData *game )
{
    if ( game->retVal >= 3 )
        return;

    game->Device = (*game->createExDevice) ( game->deviceParam );
    if ( 0 == game->Device)
    {
        // could not create selected driver.
        game->retVal = 0;
        return;
    }

    // create an event receiver based on current game data
    CQuake3EventHandler *eventHandler = new CQuake3EventHandler( game );

    // load stored config
    game->load ( "explorer.cfg" );

    // add our media directory and archive to the file system
    for ( u32 i = 0; i < game->CurrentArchiveList.size(); ++i )
    {
        eventHandler->AddArchive ( game->CurrentArchiveList[i] );
    }

    // Load a Map or startup to the GUI
    if ( game->CurrentMapName.size () )
    {
        eventHandler->LoadMap ( game->CurrentMapName, 1 );
        if ( 0 == game->loadParam.loadSkyShader )
            eventHandler->AddSky ( 1, "skydome2" );
        eventHandler->CreatePlayers ();
        eventHandler->CreateGUI ();
        eventHandler->SetGUIActive ( 0 );

        // set player to last position on restart
        if ( game->retVal == 2 )
        {
            eventHandler->GetPlayer( 0 )->setpos ( game->PlayerPosition, game->PlayerRotation );
        }
    }
    else
    {
        // start up empty
        eventHandler->AddSky ( 1, "skydome2" );
        eventHandler->CreatePlayers ();
        eventHandler->CreateGUI ();
        eventHandler->SetGUIActive ( 1 );
        background_music ( "IrrlichtTheme.ogg" );
    }


    game->retVal = 3;
    while( game->Device->run() )
    {
        eventHandler->Animate ();
        eventHandler->Render ();
        //if ( !game->Device->isWindowActive() )
            game->Device->yield();
    }

    game->Device->setGammaRamp ( 1.f, 1.f, 1.f, 0.f, 0.f );
    delete eventHandler;
}

#if defined (_IRR_WINDOWS_) && 0
    #pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
#endif 


La routine principale dove facciamo tutto il setup

Codice PHP:

int IRRCALLCONV main(int argc, char* argv[])
{
    path prgname(argv[0]);
    GameData game ( deletePathFromPath ( prgname, 1 ) );

    // dynamically load irrlicht
    const c8 * dllName = argc > 1 ? argv[1] : "irrlicht.dll";
    game.createExDevice = load_createDeviceEx ( dllName );
    if ( 0 == game.createExDevice )
    {
        game.retVal = 3;
        printf ( "Could not load %s.\n", dllName );
        return game.retVal; // could not load dll
    }

    // start without asking for driver
    game.retVal = 1;
    do
    {
        // if driver could not created, ask for another driver
        if ( game.retVal == 0 )
        {
            game.setDefault ();
            // ask user for driver
            game.deviceParam.DriverType=driverChoiceConsole();
            if (game.deviceParam.DriverType==video::EDT_COUNT)
                game.retVal = 3;
        }
        runGame ( &game );
    } while ( game.retVal < 3 );

    return game.retVal;
} 


Versione pdf scaricabile da QUI