C++ ManualObject::setRenderQueueGroup方法代码示例

void NavigationCell::debugDrawClassification( Ogre::Vector3 start, Ogre::Vector3 end )
{
    Ogre::Root *root = Ogre::Root::getSingletonPtr();
    Ogre::SceneManager* mgr = root->getSceneManager( "SceneManagerInstance" );
    Ogre::ManualObject* debug;
    Ogre::SceneNode* node;

    if( mgr->hasManualObject( "debugDrawClassification" ) )
        debug = mgr->getManualObject( "debugDrawClassification" );
    else
    {
        debug = mgr->createManualObject( "debugDrawClassification" );
        node = mgr->getRootSceneNode()->createChildSceneNode();
        node->attachObject( debug );
        node->translate( 0, 1, 0 );
        debug->setQueryFlags( 0 );
        debug->setRenderQueueGroup( Ogre::RENDER_QUEUE_OVERLAY );
    }

    debug->begin( "debug/blue", Ogre::RenderOperation::OT_LINE_LIST );
    debug->position( start );
    debug->position( end );
    debug->end();

//    debugDrawCell( debug, "debug/yellow", "debug/blue" );
}

void Chart::indicator(const Ogre::Real chartX, const Ogre::Real chartY)
{
	const std::string chartXString = Ogre::StringConverter::toString(chartX).substr(0, std::min(Ogre::StringConverter::toString(chartX).size(), (std::string::size_type)4));
	const std::string chartYString = Ogre::StringConverter::toString(chartY).substr(0, std::min(Ogre::StringConverter::toString(chartY).size(), (std::string::size_type)3));
	const Ogre::Vector3 x = chartToScreen( Ogre::Vector2(chartX, mMin.y) );
	const Ogre::Vector3 y = chartToScreen( Ogre::Vector2(mMin.x, chartY) );
	const Ogre::ColourValue magenta(1,0,1);

	// indicator
    Ogre::ManualObject *chartIndicator = mSceneMgr->createManualObject();
    chartIndicator->setUseIdentityProjection(true);
    chartIndicator->setUseIdentityView(true);
    chartIndicator->setRenderQueueGroup(Ogre::RENDER_QUEUE_OVERLAY);
    chartIndicator->setBoundingBox(Ogre::AxisAlignedBox::BOX_INFINITE);
    chartIndicator->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_LINE_STRIP);
    chartIndicator->position( x );
	chartIndicator->colour( magenta );
    chartIndicator->position( chartToScreen( Ogre::Vector2(chartX, chartY) ) );
	chartIndicator->colour( magenta );
    chartIndicator->position( y );
	chartIndicator->colour( magenta );
    chartIndicator->end();

	// text of values on the sides of the axes
	if(first)
	{
		TextRenderer::getSingleton().addTextBox("txt6" + rndIDString, chartXString, x.x - 0.01 * chartXString.size(), x.y - 0.035, 20, 20, magenta);
		TextRenderer::getSingleton().addTextBox("txt7" + rndIDString, chartYString, y.x - 0.035 - 0.01 * chartYString.size(), y.y - 0.0025, 20, 20, magenta);
		first = false;
	} 
	else
	{
		TextRenderer::getSingleton().removeTextBox("txt6" + rndIDString);
		TextRenderer::getSingleton().removeTextBox("txt7" + rndIDString);
		TextRenderer::getSingleton().addTextBox("txt6" + rndIDString, chartXString, x.x - 0.01 * chartXString.size(), x.y - 0.035, 20, 20, magenta);
		TextRenderer::getSingleton().addTextBox("txt7" + rndIDString, chartYString, y.x - 0.035 - 0.01 * chartYString.size(), y.y - 0.0025, 20, 20, magenta);
	}

    if (mChartIndicator)
    {
        mChartSceneNode->detachObject(mChartIndicator);
        mSceneMgr->destroyManualObject(mChartIndicator);
    }
    mChartIndicator = chartIndicator;
    mChartSceneNode->attachObject(mChartIndicator);

    mChartSceneNode->needUpdate();
}

void NavigationCell::debugDrawCellAndNeigbours()
{
    Ogre::Root *root = Ogre::Root::getSingletonPtr();
    Ogre::SceneManager* mgr = root->getSceneManager( "SceneManagerInstance" );
    Ogre::ManualObject* debug;
    Ogre::SceneNode* debugNode;

    if( mgr->hasSceneNode( "debugDrawNode" ) )
    {
        debugNode = mgr->getSceneNode( "debugDrawNode" );
    }
    else
    {
        debugNode = mgr->getRootSceneNode()->createChildSceneNode( "debugDrawNode" );
        debugNode->translate( 0, 1, 0 );    // Move up slightly to see lines better.
    }

    if( mgr->hasManualObject( "debugDraw" ) )
        debug = mgr->getManualObject( "debugDraw" );
    else
    {
        debug = mgr->createManualObject( "debugDraw" );
        debugNode->attachObject( debug );
        debug->setQueryFlags( 0 );
        debug->setRenderQueueGroup( Ogre::RENDER_QUEUE_OVERLAY );
    }

    for( int i = 0; i < 3; i++ )
    {
        if( mLinks[i] )
        {
            debug->begin( "debug/blue", Ogre::RenderOperation::OT_LINE_STRIP );
            debug->position( mLinks[i]->mVertices[0] );
            debug->position( mLinks[i]->mVertices[1] );
            debug->position( mLinks[i]->mVertices[2] );
            debug->position( mLinks[i]->mVertices[0] );
            debug->end();
        }
    }

    debug->begin( "debug/yellow", Ogre::RenderOperation::OT_LINE_STRIP );
    debug->position( mVertices[0].x, mVertices[0].y+1, mVertices[0].z );
    debug->position( mVertices[1].x, mVertices[1].y+1, mVertices[1].z );
    debug->position( mVertices[2].x, mVertices[2].y+1, mVertices[2].z );
    debug->position( mVertices[0].x, mVertices[0].y+1, mVertices[0].z );
    debug->end();

}

void NavigationMesh::setShow( bool show )
{
    Ogre::Root *root = Ogre::Root::getSingletonPtr();
    Ogre::SceneManager* mgr = root->getSceneManager( "SceneManagerInstance" );
    Ogre::ManualObject* debug;
    Ogre::SceneNode* debugNode;

    mShow = show;

    if( mgr->hasSceneNode( "debugDrawNode2" ) )
    {
        debugNode = mgr->getSceneNode( "debugDrawNode2" );
    }
    else
    {
        debugNode = mgr->getRootSceneNode()->createChildSceneNode( "debugDrawNode2" );
        debugNode->translate( 0, 1, 0 );    // Move up slightly to see lines better.
    }

    if( mgr->hasManualObject( "debugDraw2" ) )
        debug = mgr->getManualObject( "debugDraw2" );
    else
    {
        debug = mgr->createManualObject( "debugDraw2" );
        debugNode->attachObject( debug );
        debug->setQueryFlags( 0 );
        debug->setRenderQueueGroup( Ogre::RENDER_QUEUE_OVERLAY );
    }

    if( !mShow )
    {
        mgr->destroyManualObject( debug );
        return;
    }

    for( CellVector::iterator i = mCells.begin(); i != mCells.end(); i++ )
    {
        i->debugDrawCell( debug, "debug/yellow", "debug/blue" );
    }

    return;
}

Ogre::SceneNode * Chart::attachTo(Ogre::SceneManager &sceneMgr)
{
    mSceneMgr = &sceneMgr;

    if (mLineNames.size() < 3)
    {
        OGRE_EXCEPT(Ogre::Exception::ERR_INVALID_STATE, "I need exactly three line names. Yeah, it\'s hardcoded ;)", "Chart::attachTo()");
    }

    Ogre::LogManager::getSingletonPtr()->logMessage("mpoints: " + Ogre::StringConverter::toString(mPoints.size()));
    Ogre::LogManager::getSingletonPtr()->logMessage("msize: " + Ogre::StringConverter::toString(mSize));
    Ogre::LogManager::getSingletonPtr()->logMessage("mchartunitstep: " + Ogre::StringConverter::toString(mChartUnitStep));
    Ogre::LogManager::getSingletonPtr()->logMessage("mmax: " + Ogre::StringConverter::toString(mMax));
    Ogre::LogManager::getSingletonPtr()->logMessage("mmin: " + Ogre::StringConverter::toString(mMin));

    // chart quad bg
    Ogre::ManualObject *chartQuad = sceneMgr.createManualObject();
    chartQuad->setUseIdentityProjection(true);
    chartQuad->setUseIdentityView(true);
    chartQuad->setRenderQueueGroup(Ogre::RENDER_QUEUE_OVERLAY);
    chartQuad->setBoundingBox(Ogre::AxisAlignedBox::BOX_INFINITE);
    chartQuad->begin("Chart/Background", Ogre::RenderOperation::OT_TRIANGLE_LIST);
    chartQuad->position(mOffset.x, mOffset.y, 0.5);
    chartQuad->position(mOffset.x + mSize.x, mOffset.y, 0.5);
    chartQuad->position(mOffset.x + mSize.x, mOffset.y + mSize.y, 0.5);
    chartQuad->position(mOffset.x, mOffset.y + mSize.y, 0.5);
    chartQuad->position(mOffset.x, mOffset.y, 0.5);
    chartQuad->position(mOffset.x + mSize.x, mOffset.y + mSize.y, 0.5);
    chartQuad->end();

    // chart y axis
    Ogre::ManualObject *chartAxisY = sceneMgr.createManualObject();
    chartAxisY->setUseIdentityProjection(true);
    chartAxisY->setUseIdentityView(true);
    chartAxisY->setRenderQueueGroup(Ogre::RENDER_QUEUE_OVERLAY);
    chartAxisY->setBoundingBox(Ogre::AxisAlignedBox::BOX_INFINITE);
    chartAxisY->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_LINE_LIST);
    chartAxisY->position(mOffset.x + mPadding.x, mOffset.y + mSize.y - 0.02, 0.0);
	chartAxisY->colour( 0.7, 0.7, 0.7 );
    chartAxisY->position(mOffset.x + mPadding.x, mOffset.y + 0.02, 0.0);
	chartAxisY->colour( 0.7, 0.7, 0.7 );
    chartAxisY->end();

    // chart x axis
    Ogre::ManualObject *chartAxisX = sceneMgr.createManualObject();
    chartAxisX->setUseIdentityProjection(true);
    chartAxisX->setUseIdentityView(true);
    chartAxisX->setRenderQueueGroup(Ogre::RENDER_QUEUE_OVERLAY);
    chartAxisX->setBoundingBox(Ogre::AxisAlignedBox::BOX_INFINITE);
    chartAxisX->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_LINE_LIST);
    chartAxisX->position(mOffset.x + 0.02, mOffset.y + mPadding.y, 0.0);
	chartAxisX->colour( 0.7, 0.7, 0.7 );
    chartAxisX->position(mOffset.x + mSize.x - 0.02, mOffset.y + mPadding.y, 0.0);
	chartAxisX->colour( 0.7, 0.7, 0.7 );
    chartAxisX->end();

    // lines
    const Ogre::ColourValue colours[] = { Ogre::ColourValue(1.0, 0.2, 0.2),
                                          Ogre::ColourValue(0.0, 0.9, 0.0),
                                          Ogre::ColourValue(0.2, 0.2, 1.0) };

    Ogre::ManualObject *lines = sceneMgr.createManualObject();
    lines->setUseIdentityProjection(true);
    lines->setUseIdentityView(true);
    lines->setRenderQueueGroup(Ogre::RENDER_QUEUE_OVERLAY);
    lines->setBoundingBox(Ogre::AxisAlignedBox::BOX_INFINITE);
    lines->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_LINE_STRIP);
    for (std::vector<ChartPointsVector>::const_iterator it = mPoints.begin(); it != mPoints.end(); ++it)
    {
        for (ChartPointsVector::const_iterator jt = it->begin(); jt != it->end(); ++jt)
        {
            lines->position(chartToScreen(*jt));
            lines->colour(colours[it - mPoints.begin()]);
        }
    }
    lines->end();

	// caption text
	const Ogre::Real rndID = Ogre::Math::RangeRandom(0, 9999999999) + Ogre::Math::RangeRandom(0, 9999999999);
	TextRenderer::getSingleton().addTextBox("txt0" + Ogre::StringConverter::toString(rndID+ Ogre::Math::RangeRandom(0, 999999)), mCaption, mOffset.x + mSize.x * 0.40, mOffset.y + mSize.y, 100, 20, Ogre::ColourValue::Black);

    // text above the lines	
    TextRenderer::getSingleton().addTextBox("txt1" + Ogre::StringConverter::toString(rndID+ Ogre::Math::RangeRandom(0, 999999)), mLineNames[0], mOffset.x + mPadding.x + 0.0025, mOffset.y + mSize.y - mPadding.y + 0.04, 100, 20, colours[0]);
    TextRenderer::getSingleton().addTextBox("txt2" + Ogre::StringConverter::toString(rndID+ Ogre::Math::RangeRandom(0, 999999)), mLineNames[1], mOffset.x + mPadding.x + 0.0025 + (mSize.x - mPadding.x * 2.0) * 0.35, mOffset.y + mSize.y - mPadding.y + 0.04, 100, 20, colours[1]);
    TextRenderer::getSingleton().addTextBox("txt3" + Ogre::StringConverter::toString(rndID+ Ogre::Math::RangeRandom(0, 999999)), mLineNames[2], mOffset.x + mPadding.x + 0.0025 + (mSize.x - mPadding.x * 2.0) * 0.75, mOffset.y + mSize.y - mPadding.y + 0.04, 100, 20, colours[2]);

    // text on y axis (1)
    TextRenderer::getSingleton().addTextBox("txt4" + Ogre::StringConverter::toString(rndID+ Ogre::Math::RangeRandom(0, 999999)), "1", mOffset.x + mPadding.x - 0.02, mOffset.y + mSize.y - mPadding.y, 20, 20, Ogre::ColourValue::Black);

    // text on x axis
	Ogre::Real rndID2 = Ogre::Math::RangeRandom(0, 9999999999) + Ogre::Math::RangeRandom(0, 9999999999);
    for (std::vector<ChartPointsVector>::const_iterator it = mPoints.begin(); it != mPoints.end(); ++it)
    {
		Ogre::Real rndID3 = Ogre::Math::RangeRandom(0, 9999999999) + Ogre::Math::RangeRandom(0, 9999999999);
        for (ChartPointsVector::const_iterator jt = it->begin(); jt != it->end(); ++jt)
        {
            const Ogre::Real rndID4 = Ogre::Math::RangeRandom(0, 9999999999) + Ogre::Math::RangeRandom(0, 9999999999);
            const Ogre::Vector3 chartVec = chartToScreen(*jt);
			const std::string xString = Ogre::StringConverter::toString(jt->x).substr(0, std::min(Ogre::StringConverter::toString(jt->x).size(), (std::string::size_type)3));

//.........这里部分代码省略.........

void AerialMapDisplay::assembleScene() {
  if (!dirty_) {
    return; //  nothing to update
  }
  dirty_ = false;
  
  if (!loader_) {
    return; //  no tiles loaded, don't do anything
  }
  
  //  get rid of old geometry, we will re-build this
  clearGeometry();
  
  //  iterate over all tiles and create an object for each of them
  const double resolution = loader_->resolution();
  const std::vector<TileLoader::MapTile> &tiles = loader_->tiles();
  for (const TileLoader::MapTile &tile : tiles) {
    const int w = tile.image().width();
    const int h = tile.image().height();
    //  we here assume that the tiles are uniformly sized...
    const double tileW = w * resolution;
    const double tileH = h * resolution;
    const double origin_x = -loader_->originX() * tileW;
    const double origin_y = -(1 - loader_->originY()) * tileH;

    //  determine location of this tile
    const double x = (tile.x() - loader_->tileX()) * tileW + origin_x;
    const double y = -(tile.y() - loader_->tileY()) * tileH + origin_y;
    //  don't re-use any ids
    const std::string name_suffix =
        std::to_string(tile.x()) + "_" + std::to_string(tile.y()) + "_" +
        std::to_string(map_id_) + "_" + std::to_string(scene_id_);

    Ogre::TexturePtr tex;
    if (tile.hasImage()) {
      //  one material per texture
      std::string matName = "material_" + name_suffix;
      Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().create(
          matName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
      material->setReceiveShadows(false);
      material->getTechnique(0)->setLightingEnabled(false);
      material->setDepthBias(-16.0f,
                             0.0f); /// @todo: what the fuck does this do?
      material->setCullingMode(Ogre::CULL_NONE);
      material->setDepthWriteEnabled(false);

      //  create textureing unit
      Ogre::Pass *pass = material->getTechnique(0)->getPass(0);
      Ogre::TextureUnitState *tex_unit = NULL;
      if (pass->getNumTextureUnitStates() > 0) {
        tex_unit = pass->getTextureUnitState(0);
      } else {
        tex_unit = pass->createTextureUnitState();
      }

      //  only add if we have a texture for it
      tex = textureFromImage(tile.image(), "texture_" + name_suffix);

      ROS_INFO("Rendering with texture: %s", tex->getName().c_str());
      tex_unit->setTextureName(tex->getName());
      tex_unit->setTextureFiltering(Ogre::TFO_BILINEAR);

      //  create an object
      const std::string obj_name = "object_" + name_suffix;
      Ogre::ManualObject *obj = scene_manager_->createManualObject(obj_name);
      scene_node_->attachObject(obj);

      //  configure depth & alpha properties
      if (alpha_ >= 0.9998) {
        material->setDepthWriteEnabled(!draw_under_);
        material->setSceneBlending(Ogre::SBT_REPLACE);
      } else {
        material->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
        material->setDepthWriteEnabled(false);
      }

      if (draw_under_) {
        obj->setRenderQueueGroup(Ogre::RENDER_QUEUE_4);
      } else {
        obj->setRenderQueueGroup(Ogre::RENDER_QUEUE_MAIN);
      }

      tex_unit->setAlphaOperation(Ogre::LBX_SOURCE1, Ogre::LBS_MANUAL,
                                  Ogre::LBS_CURRENT, alpha_);

      //  create a quad for this tile
      obj->begin(material->getName(), Ogre::RenderOperation::OT_TRIANGLE_LIST);

      //  bottom left
      obj->position(x, y, 0.0f);
      obj->textureCoord(0.0f, 0.0f);
      obj->normal(0.0f, 0.0f, 1.0f);

      // top right
      obj->position(x + tileW, y + tileH, 0.0f);
      obj->textureCoord(1.0f, 1.0f);
      obj->normal(0.0f, 0.0f, 1.0f);

      // top left
      obj->position(x, y + tileH, 0.0f);
//.........这里部分代码省略.........