C++ ISceneManager::addCameraSceneNode方法代码示例

void Editor::LoadScene()
{
	IVideoDriver *driver = device->getVideoDriver();
	ISceneManager *smgr = device->getSceneManager();

	// Calculate Projection Matrix
	matrix4 projMat;
	irr::f32 orth_w = (float)(driver->getScreenSize().Width - 256) / (float)driver->getScreenSize().Height;
	orth_w = 3 * orth_w;
	projMat.buildProjectionMatrixOrthoLH(orth_w, 3, 1, 100);

	// Create target
	target = smgr->addEmptySceneNode(0, 200);
	target->setPosition(vector3df(0, 0, 0));

	// Add rotational camera
	pivot = smgr->addEmptySceneNode(target, 199);
	camera[0] = smgr->addCameraSceneNode(NULL, vector3df(0, 0, -2), vector3df(0, 0, 0));
	camera[0]->setParent(pivot);
	pivot->setRotation(vector3df(25, -45, 0));

	// Add Topdown camera
	camera[1] = smgr->addCameraSceneNode(target, vector3df(0, 2, -0.01), vector3df(0, 0, 0));
	camera[1]->setProjectionMatrix(projMat, true);

	// Add front camera
	camera[2] = smgr->addCameraSceneNode(target, vector3df(0, 0, -5), vector3df(0, 0, 0));
	camera[2]->setProjectionMatrix(projMat, true);

	// Add side camera
	camera[3] = smgr->addCameraSceneNode(target, vector3df(5, 0, 0), vector3df(0, 0, 0));
	camera[3]->setProjectionMatrix(projMat, true);

	// Add Light
	ILightSceneNode* light = smgr->addLightSceneNode(target, vector3df(25, 50, 0));
	light->setLightType(ELT_POINT);
	light->setRadius(2000);

	// Add Plane
	IMeshSceneNode* plane = smgr->addCubeSceneNode(1, 0, -1,
			vector3df(0.5, -5.5, 0.5), vector3df(0, 0, 0),
			vector3df(10, 10, 10));
	plane->setMaterialTexture(0, driver->getTexture("media/texture_terrain.png"));
	plane->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
	plane->getMaterial(0).getTextureMatrix(0).setTextureScale(10, 10);

	// Add sky box
	scene::IMeshSceneNode* skybox = smgr->addCubeSceneNode(50);
	skybox->setMaterialTexture(0, driver->getTexture("media/sky.jpg"));
	skybox->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
	skybox->setMaterialFlag(video::EMF_LIGHTING, false);
	smgr->getMeshManipulator()->flipSurfaces(skybox->getMesh());
	state->plane_tri = smgr->createOctreeTriangleSelector(skybox->getMesh(), skybox);
}

bool GLscene::init(int w, int h)
{
    m_device =
        createDevice( video::EDT_OPENGL, dimension2d<u32>(w, h), 32,
                      false, false, false, 0);

    if (!m_device) return false;

    m_device->setWindowCaption(L"Irrlicht");

    ISceneManager* smgr = m_device->getSceneManager();
    smgr->addLightSceneNode(0, vector3df(18,-12,6), SColorf(1.0, 1.0, 1.0), 30.0f);
    smgr->addLightSceneNode(0, vector3df(-18,12,6), SColorf(1.0, 1.0, 1.0), 30.0f);
    m_cnode = smgr->addCameraSceneNode();
#if 1
    m_cnode->setTarget(vector3df(0,0,0.7));
    m_cnode->setUpVector(vector3df(0,0,1));
#endif
    m_receiver = new MyEventReceiver(m_cnode, 3);
    m_device->setEventReceiver(m_receiver);
    m_defaultCamera = new GLcamera(m_cnode);
    setCamera(m_defaultCamera);

    return true;
}

static bool runTestWithDriver(E_DRIVER_TYPE driverType)
{
	IrrlichtDevice *device = createDevice( driverType, dimension2d<s32>(640, 480));
	if (!device)
		return true; // Treat a failure to create a driver as benign; this saves a lot of #ifdefs
	
	IVideoDriver* driver = device->getVideoDriver();
	ISceneManager * smgr = device->getSceneManager();
	
	// Draw a cube to check that the pixels' alpha is working.
	ISceneNode * cube = smgr->addCubeSceneNode(50.f, 0, -1, vector3df(0, 0, 60));
	cube->setMaterialTexture(0, driver->getTexture("../media/wall.bmp"));
	cube->setMaterialFlag(video::EMF_LIGHTING, false);
	(void)smgr->addCameraSceneNode();

	driver->beginScene(true, true, SColor(255,100,101,140));
	smgr->drawAll();

	// Test for offscreen values as well as onscreen.
	for(s32 x = -10; x < 650; ++x)
	{
		s32 y = 480 * x / 640;
		driver->drawPixel((u32)x, (u32)y, SColor(255, 255 * x / 640, 255 * (640 - x) / 640, 0));
		y = 480 - y;
		driver->drawPixel((u32)x, (u32)y, SColor(255 * x / 640, 0, 255, 255));
	}

	driver->endScene();

	bool result = takeScreenshotAndCompareAgainstReference(driver, "-drawPixel.jpg");

	device->drop();

	return result;
}

/** Tests the Burning Video driver */
bool burningsVideo(void)
{
    IrrlichtDevice *device = createDevice(video::EDT_BURNINGSVIDEO,
										core::dimension2di(160,120), 32);
    if (!device)
        return false;

    IVideoDriver* driver = device->getVideoDriver();
    ISceneManager* smgr = device->getSceneManager();

    smgr->addCubeSceneNode(10.f, 0, -1, core::vector3df(0.f, 0.f, 20.f));
    smgr->addCameraSceneNode();
    // Test that ambient lighting works when there are no other lights in the scene
    smgr->setAmbientLight(video::SColorf(.7f, .1f, .1f, 1.f));

    bool result = false;
    device->run();
	if (driver->beginScene(true, true, video::SColor(0, 80, 80, 80)))
	{
		smgr->drawAll();
		driver->endScene();
		result = takeScreenshotAndCompareAgainstReference(driver, "-ambient-lighting.png", 100);
	}

    device->drop();

    return result;
}

 int main()
 {
    IrrlichtDevice* irrDevice   = createDevice(EDT_OPENGL,dimension2d<s32>(800,600),32,false,false,false,0);
    IVideoDriver*   irrVideo    = irrDevice->getVideoDriver();
    ISceneManager*  irrSceneMgr = irrDevice->getSceneManager();
    TMovie* movie = new TMovie(irrDevice->getTimer());
    movie->LoadMovie("Mymovie.avi");
    irrVideo->setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false);
    u32 w = movie->getMovieWidth();
    u32 h = movie->getMovieHeight();
    ITexture* movTxtr = irrVideo->addTexture(dimension2d<s32>(w<513?512:1024,h<513?512:1024),"imovie"); 
    irrSceneMgr->addCameraSceneNode(0, vector3df(0,0,-20), vector3df(0,0,0));
    CSampleSceneNode* myNode = new CSampleSceneNode(irrSceneMgr->getRootSceneNode(), irrSceneMgr, 666);
    myNode->setMaterialTexture( 0, movTxtr);
    myNode->drop();
    ISceneNodeAnimator* anim = irrSceneMgr->createRotationAnimator(vector3df(0,0.1f,0));
    myNode->addAnimator(anim);
    anim->drop();
 
    while(irrDevice->run())
     {
        irrVideo->beginScene(true, true, SColor(0,200,200,200));
                  if (movie->NextMovieFrame())
                    movie->DrawMovie(0,0,movTxtr);
                  irrSceneMgr->drawAll();
        irrVideo->endScene();
     }       
    irrDevice->drop();

    return 0;
}

/** The test loads a texture, renders it using draw2dimage, loads another
	texture and renders the first one again. Due to the texture cache this
	can lead to rendering of the second texture in second place. */
static bool runTestWithDriver(E_DRIVER_TYPE driverType)
{
	IrrlichtDevice *device = createDevice( driverType, dimension2d<s32>(160, 120), 32);
	if (!device)
		return true; // Treat a failure to create a driver as benign; this saves a lot of #ifdefs

	IVideoDriver* driver = device->getVideoDriver();
	ISceneManager * smgr = device->getSceneManager();

	ITexture* tex1 = driver->getTexture("../media/wall.bmp");

	(void)smgr->addCameraSceneNode();

	driver->beginScene(true, true, SColor(255,100,101,140));
	driver->draw2DImage(tex1, position2di(0,0));
	driver->endScene();

	driver->getTexture("../media/tools.png");

	driver->beginScene(true, true, SColor(255,100,101,140));
	driver->draw2DImage(tex1, position2di(0,0));
	driver->endScene();

	bool result = takeScreenshotAndCompareAgainstReference(driver, "-textureRenderStates.png", 100);

	device->drop();

	return result;
}

int example_customscenenode()
{
    // create device
    IrrlichtDevice *device = startup();
    if (device == 0) return 1; // could not create selected driver.

    // create engine and camera
    EventReceiver_basic receiver(device);
    device->setEventReceiver(&receiver);

    IVideoDriver* driver = device->getVideoDriver();
    ISceneManager* smgr = device->getSceneManager();
    IGUIEnvironment* guienv = device->getGUIEnvironment();

    smgr->addCameraSceneNode(0, vector3df(0, -40, 0), vector3df(0, 0, 0));

    CSampleSceneNode *myNode = new CSampleSceneNode(smgr->getRootSceneNode(), smgr, 666);

    ISceneNodeAnimator* anim = smgr->createRotationAnimator(vector3df(0.8f, 0, 0.8f));

    if (anim) {
        myNode->addAnimator(anim);
        anim->drop();
        anim = 0; // As I shouldn't refer to it again, ensure that I can't
    }

    myNode->drop();
    myNode = 0; // As I shouldn't refer to it again, ensure that I can't

    return run(device);
}

int main(int argc, char** argv)
{
    IrrlichtDevice* device = createDevice(video::EDT_OPENGL, dimension2d<u32>(800, 600), 16, false, false, false, 0);
    
    if (!device) {
        return 1;
    }
    
    
    device->setWindowCaption(L"boxes");
    
    IVideoDriver* driver = device->getVideoDriver();
    ISceneManager* smgr = device->getSceneManager();
    
    IMeshSceneNode* cube = smgr->addCubeSceneNode();
    
    smgr->addCameraSceneNode(0);
    
    while (device->run()) {
        driver->beginScene();
        
        smgr->drawAll();
        
        driver->endScene();
    }
    
    return 0;
}

int main()
{

   IrrlichtDevice *device =
      createDevice( video::EDT_OPENGL, dimension2d<u32>(800, 600));


   IVideoDriver* driver = device->getVideoDriver();
   ISceneManager* smgr = device->getSceneManager();

        smgr->addCameraSceneNode(0, vector3df(0,10,-10), vector3df(0,5,0));

        IAnimatedMesh* mesh = smgr->getMesh("ninja.b3d");
   IAnimatedMeshSceneNode* node = smgr->addAnimatedMeshSceneNode(mesh);
   node->setMaterialFlag(EMF_LIGHTING, false);
   node->setMaterialTexture( 0, driver->getTexture("nskinrd.jpg") );
        node->setRotation(vector3df(0,180,0)); // let ninja be in front to us

        node->setJointMode(EJUOR_CONTROL); // tell irrlicht that you want to control joint positions

        IBoneSceneNode* bone = node->getJointNode("Joint10"); // create IBoneSceneNode and select the desired bone

   while(device->run()) {
            bone->setRotation(bone->getRotation() + vector3df(1,0,0)); // rotate bone

            driver->beginScene();
            smgr->drawAll();
            driver->endScene();
   }


   device->drop();

   return 0;
}

bool testTransparentVertexAlphaMore(E_DRIVER_TYPE driverType)
{
	IrrlichtDevice *device = createDevice(driverType, dimension2d<u32>(160, 120));
	if (!device)
		return true;

	IVideoDriver* driver = device->getVideoDriver();
	ISceneManager* smgr = device->getSceneManager();

	if (driver->getColorFormat() != video::ECF_A8R8G8B8)
	{
		device->closeDevice();
		device->run();
		device->drop();
		return true;
	}

	logTestString("Testing driver %ls\n", driver->getName());

	IAnimatedMesh* mesh = smgr->getMesh("../media/sydney.md2");
	IAnimatedMeshSceneNode* node = smgr->addAnimatedMeshSceneNode( mesh );
	IMeshSceneNode* cube = smgr->addCubeSceneNode(10.0f,0,-1,vector3df(-5,3,-15));

	if (node)
	{
		node->setMaterialFlag(EMF_LIGHTING, false);
		node->setFrameLoop(0, 310);
		node->setMaterialTexture( 0, driver->getTexture("../media/sydney.bmp") );
	}
	if (cube)
	{
		cube->getMaterial(0).MaterialType = EMT_TRANSPARENT_VERTEX_ALPHA;
		cube->setMaterialTexture(0, driver->getTexture("../media/wall.bmp"));
		cube->setMaterialFlag(EMF_LIGHTING, false);
		smgr->getMeshManipulator()->setVertexColorAlpha(cube->getMesh(),128);
	}
	// second cube without texture
	cube = smgr->addCubeSceneNode(10.0f,0,-1,vector3df(5,3,-15));
	if (cube)
	{
		cube->getMaterial(0).MaterialType = EMT_TRANSPARENT_VERTEX_ALPHA;
		cube->setMaterialFlag(EMF_LIGHTING, false);
		smgr->getMeshManipulator()->setVertexColorAlpha(cube->getMesh(),128);
	}

	smgr->addCameraSceneNode(0, vector3df(0,30,-40), vector3df(0,5,0));

	driver->beginScene(true, true, SColor(0,200,200,200));
	smgr->drawAll();
	driver->endScene();

	bool result = takeScreenshotAndCompareAgainstReference(driver, "-transparentVertexAlphaChannelMore.png", 99.18f);

	device->closeDevice();
	device->run();
	device->drop();

	return result;
}

void CreateCamera(int width, int height, vector3df position, vector3df target)
{
  //Build camera
  ISceneManager* sm = g_GameGraph->GetSceneManager();
  WorldState* worldState =
      static_cast<WorldState*> (g_GameGraph->GetWorldState());
  HexMap* hm = worldState->GetCurrentMap();

  if (NULL != sm)
  {
    if (NULL != hm)
    {
      ICameraSceneNode* orthoCam = sm->addCameraSceneNode(
          sm->getRootSceneNode(), position, target);

      matrix4 projMat;
      projMat.buildProjectionMatrixOrthoLH(width, height, -5, 5);
      orthoCam->setProjectionMatrix(projMat, true);
      orthoCam->bindTargetAndRotation(true);
      if (orthoCam->isOrthogonal())
      {
        CameraAnimator* cameraAnim = new CameraAnimator(position, width,
            height, hm->GetMapDimensions().Height,
            hm->GetMapDimensions().Width, worldState->GetHero(),
            hm->GetCoordinateTranslator());
        orthoCam->addAnimator(cameraAnim);
        cameraAnim->drop();
        cameraAnim = NULL;

        if (width > height)
        {
          LOGI("Creating a landscape camera.");
          landscapeCamera = orthoCam;
        }
        else
        {
          LOGI("Creating a portrait camera");
          portraitCamera = orthoCam;
        }
      }
      else
      {
        LOGE("The created camera is not orthoganol, something is wrong with the perspective matrix.");
      }
    }
    else
    {
      LOGE("The hex map created in the WorldState is NULL.");
    }
  }
  else
  {
    LOGE("The scene manager cannot be loaded from the device.");
  }
}

/** Verify that two skinned animated mesh scene nodes can use different frames of the skinned mesh */
bool b3dAnimation(void)
{
	// Use EDT_BURNINGSVIDEO since it is not dependent on (e.g.) OpenGL driver versions.
	IrrlichtDevice *device = createDevice( EDT_BURNINGSVIDEO, dimension2d<s32>(160, 120), 32);
	assert(device);
	if (!device)
		return false;

	IVideoDriver* driver = device->getVideoDriver();
	ISceneManager * smgr = device->getSceneManager();

	IAnimatedMesh* mesh = smgr->getMesh("../media/ninja.b3d");
	IAnimatedMeshSceneNode* node1;
	IAnimatedMeshSceneNode* node2;
	assert(mesh);

	bool result = false;
	if(mesh)
	{
		node1 = smgr->addAnimatedMeshSceneNode(mesh);
		assert(node1);

		if(node1)
		{
			node1->setPosition(vector3df(-3, -3, 10));
			node1->setMaterialFlag(EMF_LIGHTING, false);
			node1->setAnimationSpeed(0.f);
		}

		node2 = smgr->addAnimatedMeshSceneNode(mesh);
		assert(node2);
		if(node2)
		{
			node2->setPosition(vector3df(3, -3, 10));
			node2->setMaterialFlag(EMF_LIGHTING, false);
			node2->setAnimationSpeed(0.f);
			node2->setCurrentFrame(62.f);
		}

		(void)smgr->addCameraSceneNode();

		// Just jump to the last frame since that's all we're interested in.
		device->run();
		driver->beginScene(true, true, SColor(255, 255, 255, 0));
		smgr->drawAll();
		driver->endScene();

		result = takeScreenshotAndCompareAgainstReference(driver, "-b3dAnimation.png");
	}

	device->drop();

	return result;
}

CGameCamera::CGameCamera()
{
	m_targetObject = NULL;
	m_objectType = CGameObject::CameraObject;

#ifdef GSEDITOR
	m_cameraMesh = NULL;
#endif

	ISceneManager *smgr = getIView()->getSceneMgr();

	// save old camera
	ICameraSceneNode *oldCam = smgr->getActiveCamera();

	// create new camera
	m_camera = smgr->addCameraSceneNode();		
	m_camera->setFOV( core::degToRad(60.0f) );
	m_camera->setFarValue( 8000.0f );
	m_camera->grab();	
	
	core::vector3df	pos(0,0,0);
	setPosition( pos );

	core::vector3df target(1,0,0);
	setTarget( target );

#ifdef GSEDITOR	
	CColladaMeshComponent *comp = new CColladaMeshComponent( this );
	comp->loadFromFile( getIView()->getPath("data/editor/camera.dae") );
	addComponent( comp );
	setLighting( false );

	m_cameraMesh = m_node;	
	m_cameraMesh->setVisible( true );	

	ITriangleSelector *selector = smgr->createTriangleSelectorFromBoundingBox( m_cameraMesh );
	m_cameraMesh->setTriangleSelector(selector);
	selector->drop();
#endif

	// set camera node
	m_node = m_camera;

	// restore camera
	smgr->setActiveCamera( oldCam );
		
	m_animator = NULL;

#ifndef GSGAMEPLAY
	setEditorCamera();
#else
	setFreeCamera();
#endif
}

//! Tests lightmaps under all drivers that support them
static bool runTestWithDriver(E_DRIVER_TYPE driverType)
{
    IrrlichtDevice *device = createDevice( driverType, dimension2d<u32>(160, 120), 32);
    if (!device)
        return true; // Treat a failure to create a driver as benign; this saves a lot of #ifdefs

    IVideoDriver* driver = device->getVideoDriver();
    ISceneManager * smgr = device->getSceneManager();

    logTestString("Testing driver %ls\n", driver->getName());
    if (driver->getDriverAttributes().getAttributeAsInt("MaxTextures")<2)
    {
        device->closeDevice();
        device->run();
        device->drop();
        return true;
    }

    stabilizeScreenBackground(driver);

    bool result = true;
    bool added = device->getFileSystem()->addFileArchive("../media/map-20kdm2.pk3");
    assert_log(added);

    if(added)
    {
        ISceneNode * node = smgr->addOctreeSceneNode(smgr->getMesh("20kdm2.bsp")->getMesh(0), 0, -1, 1024);
        assert_log(node);

        if (node)
        {
            node->setMaterialFlag(EMF_LIGHTING, false);
            node->setPosition(core::vector3df(-1300,-820,-1249));
            node->setScale(core::vector3df(1, 5, 1));

            (void)smgr->addCameraSceneNode(0, core::vector3df(0,0,0), core::vector3df(40,100,30));

            driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(255,255,255,0));
            smgr->drawAll();
            driver->endScene();

            result = takeScreenshotAndCompareAgainstReference(driver, "-lightmaps.png", 96);
        }
    }

    device->closeDevice();
    device->run();
    device->drop();

    return result;
}

static bool loadScene(void)
{
	IrrlichtDevice *device = createDevice(video::EDT_BURNINGSVIDEO,
										core::dimension2du(160,120), 32);
	if (!device)
		return false;

	IVideoDriver* driver = device->getVideoDriver();
	ISceneManager* smgr = device->getSceneManager();
	// load scene from example, with correct relative path
	device->getFileSystem()->changeWorkingDirectoryTo("results");
	smgr->loadScene("../../media/example.irr");
	smgr->addCameraSceneNode(0, core::vector3df(0,0,-50));
	device->getFileSystem()->changeWorkingDirectoryTo("..");

	bool result = false;
	device->run();
	device->getTimer()->setTime(666);	// scene has animations and current scene seems to be saved at that time ... really - best result with just that number :-)
	if (driver->beginScene(true, true, video::SColor(0, 80, 80, 80)))
	{
		smgr->drawAll();
		driver->endScene();
		// we need to be very sloppy, because the animators will produce a different
		// start depending on the actual loading time. 97% seems to be safe, as removing
		// an object produces values around 95%
		result = takeScreenshotAndCompareAgainstReference(driver, "-loadScene.png", 97.4f);
		if (!result)
			logTestString("Rendering the loaded scene failed.\n");
	}

	ISceneNode* node = smgr->getSceneNodeFromId(128);
	if (!node)
		result=false;
	else if (result) // only check if scene was correctly loaded
	{
		result &= (node->getChildren().size()==0);
		if (!result)
			logTestString("Node has an illegal child node.\n");
		device->getSceneManager()->loadScene("results/scene2.irr", 0, node);
		result &= (node->getChildren().size()!=0);
		if (!result)
			logTestString("Loading second scene as child failed.\n");
	}

	device->closeDevice();
	device->run();
	device->drop();

	return result;
}