C++ IAnimatedMeshSceneNode::setMaterialType方法代码示例

void Game::addCheckPoint(const vector3df& position, const vector3df& rotation)
{
	string<char> str = "checkpoint" + checkpoint->size();
	IAnimatedMesh *cp1 = smgr->addHillPlaneMesh(str.c_str(), dimension2d<f32>(1000,1000), dimension2d<u32>(1,1));
	IAnimatedMeshSceneNode *c = smgr->addAnimatedMeshSceneNode(cp1);
	c->setRotation(rotation);
	c->setPosition(position);
	//c->setDebugDataVisible(EDS_BBOX);
	checkpoint->push_back(c);
	
	if (checkpoint->size() == 1)
	{
		first_checkpoint = c;
	}
	
	c->setMaterialType(EMT_TRANSPARENT_ADD_COLOR);
	//c->setMaterialFlag(EMF_BACK_FACE_CULLING, false);
}

int main( ) {
	// Boring stuff: set up the scene, object & camera as usual
	// To make things more interesting, we add many Sydneys and a textured floor this time
	IrrlichtDevice* device = createDevice( DRIVER, dimension2d<s32>( 640, 480 ), 16, false, false, false, 0 );
	IVideoDriver* driver = device->getVideoDriver( );
	ISceneManager* smgr = device->getSceneManager( );
	IGUIEnvironment* guienv = device->getGUIEnvironment( );
	device->getFileSystem( )->changeWorkingDirectoryTo( MEDIA_DIRECTORY );
	guienv->addStaticText( L"Sandbox", rect<s32>( 10, 10, 260, 22 ), true );
	IAnimatedMesh* mesh = smgr->getMesh("sydney.md2");
	IGPUProgrammingServices* gpu = driver->getGPUProgrammingServices( );
	u32 matid;
	switch( driver->getDriverType( ) ) {
		case EDT_OPENGL:
			matid = gpu->addHighLevelShaderMaterial( GL_V_MAT, "main", EVST_VS_1_1, GL_PLAIN, "main", EPST_PS_1_1, new CTexturesShaderCallback( ), EMT_SOLID, 1 );
			break;
		case EDT_DIRECT3D8:
		case EDT_DIRECT3D9:
		default:
			matid = gpu->addHighLevelShaderMaterial( DX_V_MAT, "main", EVST_VS_1_1, DX_PLAIN, "main", EPST_PS_2_0, new CTexturesShaderCallback( ), EMT_SOLID, 0 );
	}
	for( u8 x = 0u; x != 2u; ++ x )
		for( u8 i = 0u; i != 5u; ++ i ) {
			IAnimatedMeshSceneNode* node = smgr->addAnimatedMeshSceneNode( mesh );
			node->setMaterialFlag(EMF_LIGHTING, false);
			node->setMD2Animation(scene::EMAT_STAND);
			node->setMaterialTexture( 0, driver->getTexture("sydney.bmp") );
			node->setMaterialType( (E_MATERIAL_TYPE) matid );
			node->setPosition( vector3df( -x * 20.0f, 0.0f, i * 40.0f ) );
		}
	ISceneNode* nodeF = smgr->addTerrainSceneNode( "terrain-heightmap.bmp" );
	nodeF->setMaterialFlag(EMF_LIGHTING, false);
	nodeF->setMaterialTexture( 0, driver->getTexture("terrain-heightmap.bmp") );
	nodeF->setPosition( vector3df( -512.0f, -50.0f, -512.0f ) );
	nodeF->setScale( vector3df( 4.0f, 0.2f, 4.0f ) );
	nodeF->setMaterialType( (E_MATERIAL_TYPE) matid );
	ICameraSceneNode* cam1 = smgr->addCameraSceneNode( 0, vector3df( 0.0f, 0.0f, -40.0f ), vector3df( 0.0f, 5.0f, 50.0f ) );

	IPostProc* ppRenderer1 = new CRendererPostProc( smgr, dimension2di( 1024, 512 ), true, true, SColor( 255, 130u, 180u, 230u ) );
	CWaterPostProc* ppWater = new CWaterPostProc( ppRenderer1, dimension2di( 1024, 512 ), -22.0f );
	ppWater->setTimer( device->getTimer( ) );
	wchar_t tmp[255];
	u8 t = 0u;
	while( device->run( ) ) {
//		cam1->setPosition( vector3df( 40.0f, 60.0f - (device->getCursorControl( )->getPosition( ).Y - 240.0f) * 0.1f, -40.0f ) );
		cam1->setPosition( vector3df( (device->getCursorControl( )->getPosition( ).X - 320.0f) * 0.1f, (device->getCursorControl( )->getPosition( ).Y - 240.0f) * 0.1f, -40.0f ) );
//		cam1->setTarget( vector3df( (device->getCursorControl( )->getPosition( ).X - 320.0f) * 0.1f, (device->getCursorControl( )->getPosition( ).Y - 240.0f) * 0.1f, 0.0f ) );
//		cam1->setTarget( cam1->getPosition( ) + vector3df( 0.0f, 0.0f, 10.0f ) );
//		cam1->setTarget( vector3df( -(device->getCursorControl( )->getPosition( ).X - 320.0f) * 0.1f, (device->getCursorControl( )->getPosition( ).Y - 240.0f) * 0.2f, 50.0f ) );

		driver->beginScene( false, driver->getDriverType( ) == video::EDT_DIRECT3D9 );
		ppWater->render( NULL );
		guienv->drawAll( );
		driver->endScene( );

		if( ++ t == 30u ) {
			t = 0u;
			swprintf(tmp, 255, L"%ls fps:%3d", driver->getName(), driver->getFPS() );
			device->setWindowCaption( tmp );
		}
	}

	delete ppWater;
	delete ppRenderer1;

	// Back to boring stuff
	device->drop();
	return 0;
}

// registering the scene node for rendering, here we take the opportunity
// to make LOD adjustments to child nodes
void CLODSceneNode::OnRegisterSceneNode()
{
	//if this node is invisible forget any child nodes
	if (!IsVisible)
		return;

	// get a timer to calculate the amount to fade objects
	u32 time = device->getTimer()->getTime();

	// get the camera position
	ICameraSceneNode* cam = smgr->getActiveCamera();
	core::vector3df vectorCam = cam->getAbsolutePosition();

	// loop through all child nodes
	u32 i,j;
	u32 lod, fade;
	SMaterial * material;
	for (i=0; i < children.size(); ++i)
	{
		// get the node associated with this link
		SChildLink &child = children[i];
		IAnimatedMeshSceneNode *node = (IAnimatedMeshSceneNode *)child.node;

		// calculate the distance to the node. at the moment we do this the
		// slow linear way instead of using the distance squared method
		core::vector3df vectorNode = node->getAbsolutePosition();
		float distance = vectorNode.getDistanceFrom( vectorCam );

		// itterate through all of the LOD levels and find the lod distance
		// that is appropriate for this distance
		lod = 0xFFFFFFFF;
		for (j=0; j < lods.size(); ++j)
		{
			if ( distance >= lods[j].distance )
			{
				lod = j;
			}
		}

        // if a LOD level was found
		if ( lod != 0xFFFFFFFF )
		{
            // if this lod is associated with a mesh
            if ( lods[lod].mesh )
            {
                // if this lod differs from the child lod
                if ( lod != children[i].lod )
                {
                    children[i].lod = lod;

                    // if the node is an animated mesh node
                    if ( ( node->getType()) == ESNT_ANIMATED_MESH )
                    {
                        // set the new mesh to be used
                        node->setMeshClean( lods[lod].mesh );
                    }
                }
                // handle instances where the node is faded
                switch ( children[i].mode )
                {
                    case LOD_INVISIBLE:
                        // make the node visible
                        node->setVisible( true );
                        children[i].mode = LOD_FADE_IN;
                        children[i].fade = time;
                    break;

                    // we are partially faded we need to fade back in
                    case LOD_FADE_IN:
                        // fade the node in by 1 multiplied by the time passed
                        fade = (time - children[i].fade) / fadeScale;
                        if ( fade > 0xFF ) fade = 0xFF;

                        // if the node is fully opaque again
                        if ( fade == 0xFF )
                        {
                            // restore the origonal material type
                            node->setMaterialType(children[i].matType);
                            children[i].mode = LOD_OPAQUE;
                            if ( callback ) callback( true, node );
                        }

                        // fade the node through its materials
                        fade *= 0x01010101;
                        material = &node->getMaterial( 0 );
						if ( useAlpha )
						{
							material->DiffuseColor.set( fade );
							material->AmbientColor.set( fade );
						}
						else
						{
							material->DiffuseColor.set( fade & 0xFFFFFF );
							material->AmbientColor.set( fade & 0xFFFFFF );
						}

                    break;

//.........这里部分代码省略.........

int main()
{


/*		shadowDimen = dimension2du(1024,1024);
		shadowDimen = dimension2du(2048,2048);
		shadowDimen = dimension2du(4096,4096);
		shadowDimen = dimension2du(2048,2048);
		filterType = EFT_NONE;
		filterType = EFT_4PCF;
		filterType = EFT_8PCF;
		filterType = EFT_4PCF;
*/
	dimension2du shadowDimen = dimension2du(1024,1024);
    E_FILTER_TYPE filterType = EFT_4PCF;
    filterType = EFT_NONE;
////


IrrlichtDevice* device = createDevice(EDT_OPENGL,dimension2du(800,600),32);

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

ICameraSceneNode* cam = smgr->addCameraSceneNodeFPS(0,100,.5);
cam->setPosition(vector3df(0,10,0));

// Create the effect handler, passing the device and RTT size (as a dimension2d) .
effectHandler* effect = new effectHandler(device,shadowDimen);


ITerrainSceneNode* terrain = smgr->addTerrainSceneNode("media/terrain.bmp",0,-1,vector3df(0,0,0),vector3df(0,0,0),vector3df(1,1,1),SColor(255,255,255,255),1,ETPS_33);
terrain->setMaterialTexture(0,driver->getTexture("media/terrain.jpg"));
terrain->setMaterialTexture(1, driver->getTexture("media/detailmap.jpg"));
terrain->scaleTexture(1,10);
terrain->setScale(core::vector3df(4, 0.01f, 4));
terrain->setPosition(vector3df(-120,-1.5f,-120));
terrain->setMaterialType(EMT_DETAIL_MAP);

// Make the terrain recieve a shadow with the specified filter type.
// (NOTE: 12PCF is only available in Direct3D9, all others work with OpenGL)
effect->addShadowToNode(terrain,filterType);

IAnimatedMeshSceneNode* sydney;
IAnimatedMesh* sydneymesh = smgr->getMesh("media/dwarf.x");

for(int g = 0;g < 1;g++)
{
	for(int v = 0;v < 3;v++)
	{
		sydney = smgr->addAnimatedMeshSceneNode(sydneymesh);
		sydney->setScale(vector3df(0.05f,0.05f,0.05f));
		sydney->setPosition(vector3df(g * 4,0.5f,v * 4));
		sydney->setMaterialFlag(EMF_NORMALIZE_NORMALS,true);

		sydney->setAutomaticCulling(EAC_FRUSTUM_BOX);

		sydney->setMaterialType(EMT_SOLID);

		// Add the nodes to the depth pass so that they cast a shadow.
		effect->addNodeToDepthPass(sydney);

	}
}


effect->getLightCamera()->addAnimator(smgr->createFlyCircleAnimator(sydney->getPosition() + vector3df(0,15,0),25,0.0002f));

effect->getLightCamera()->setNearValue(5);

effect->setMaxShadowDistanceFromLight(120);

smgr->addLightSceneNode(effect->getLightCamera());


MyEventReceiver receiver(cam);
device->setEventReceiver(&receiver);

// Parent a sphere to the light camera so we can see its position.
smgr->addSphereSceneNode(1,8,effect->getLightCamera())->setMaterialFlag(EMF_LIGHTING,false);



while(device->run())
{
	wchar_t tmp[255];
	swprintf(tmp,255,L"Shadow Map Demo (FPS: %d)",driver->getFPS());
	device->setWindowCaption(tmp);

	driver->beginScene(true,true,SColor(0,0,0,0));

	// Point the light camera at one of the nodes as it rotates around them.
	effect->setLightTarget(sydney->getPosition());

	// Update the effect  handler, remember to always do this BEFORE smgr->drawAll and AFTER beginscene!
	effect->update();

	smgr->drawAll();

	// If user wishes we can display the shadow map to the screen. (May not work in OpenGL)
//.........这里部分代码省略.........