tiles

void CMapSceneNode::render(){    IVideoDriver* driver = SceneManager->getVideoDriver();/*    s32 x = ((s32)parent->getPosition().X)-VIEW_RANGE_X;    if(x < 0)        x = 0;    s32 y = ((s32)parent->getPosition().Z)-VIEW_RANGE_Y;    if(y < 0)        y = 0;    s32 x2 = ((s32)parent->getPosition().X)+VIEW_RANGE_X;    if(x2 > resources->getMapData(mapDataType)->size.Width)        x2 = resources->getMapData(mapDataType)->size.Width;    s32 y2 = ((s32)parent->getPosition().Z)+VIEW_RANGE_Y;    if(y2 > resources->getMapData(mapDataType)->size.Height)        y2 = resources->getMapData(mapDataType)->size.Height;*/    s32 x, y, x2, y2;    x = 0;    y = 0;    x2 = 20;    y2 = 20;    driver->setTransform(ETS_WORLD, AbsoluteTransformation);    while(x < x2)    {        while(y < y2)        {          /*  switch(resources->getMapData(mapDataType)->tiles[(x * resources->getMapData(mapDataType)->size.Height) + y])            {            case EMTT_GRAS:            {*/                material.Textures[0] = resources->getGroundTexture(EGT_GRAS);                driver->setMaterial(material);                S3DVertex vertices[4];                vertices[0] = S3DVertex(vector3df(x,0, y), vector3df(0,1,0), SColor(255,0,255,255), vector2df(0,0));                vertices[1] = S3DVertex(vector3df(x+1,0, y), vector3df(0,1,0), SColor(255,0,255,255), vector2df(1,0));                vertices[2] = S3DVertex(vector3df(x,0, y+1), vector3df(0,1,0), SColor(255,0,255,255), vector2df(0,1));                vertices[3] = S3DVertex(vector3df(x+1 ,0, y+1), vector3df(0,1,0), SColor(255,0,255,255), vector2df(1,1));                u16 indices[] = { 0,2,1, 1,2,3};                driver->drawIndexedTriangleList(&vertices[0], 4, &indices[0], 2);          /*      break;            }            default:            {                printf("render error");                break;            }            }*/            y++;        }        x++;    }}