irrlicht animation issue

#include <irrlicht.h>

//namespaces

//check for windows pragma (developed on linux)

int main()
{
    //create device
    IAnimatedMesh* mesh = smgr->getMesh("./test.b3d");//smgr is the scene manager
    if(!mesh)
    {
        device->drop();
        return 1;
    }
    node = smgr->addAnimatedMeshSceneNode(mesh);
    if(node)
    {
        node->setFrameLoop(0,45);
        node->setCurrentFrame(0.f);
        node->setAnimationSpeed(90.0f);
        node->setMaterialFlag(EMF_LIGHTING, false);
        node->setJointMode(EJUOR_CONTROL);
    }
    //make camera...

    while(device->run())
    {
        driver->beginScene(true,true,SColor(255,100,101,140));

        node->animateJoints();

        smgr->drawAll();
        guienv->drawAll();//gui


        driver->endScene();
    }

    device->drop();
    return 0;
}