C++ MeshPtr::clone方法代码示例

void MeshWithoutIndexDataTests::testCloneMesh()
{
    String originalName = "toClone.mesh";
    createMeshWithMaterial(originalName);
    MeshPtr mesh = mMeshMgr->getByName(originalName);

    String fileName = "clone.mesh";
    MeshPtr clone = mesh->clone(fileName);
    CPPUNIT_ASSERT(mesh->getNumSubMeshes() == 4);

    MeshSerializer meshWriter;
    meshWriter.exportMesh(mesh.get(), fileName);

    mMeshMgr->remove( fileName );

    ResourceGroupManager::getSingleton().addResourceLocation(".", "FileSystem");
    MeshPtr loadedMesh = mMeshMgr->load(fileName, "General");

    remove(fileName.c_str());

    CPPUNIT_ASSERT(loadedMesh->getNumSubMeshes() == 4);

    mMeshMgr->remove( fileName );
}

//---------------------------------------------------------------------
void PlayPen_testPoseAnimationWithoutNormals::setupContent()
{
	mSceneMgr->setAmbientLight(ColourValue(0.5, 0.5, 0.5));
	Vector3 dir(-1, -1, 0.5);
	dir.normalise();
	Light* l = mSceneMgr->createLight("light1");
	l->setType(Light::LT_DIRECTIONAL);
	l->setDirection(dir);

	MeshPtr mesh = MeshManager::getSingleton().load("cube.mesh", 
		ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
		
	String newName = "testposenonormals.mesh";
	mesh = mesh->clone(newName);


	SubMesh* sm = mesh->getSubMesh(0);
	// Re-organise geometry since this mesh has no animation and all 
	// vertex elements are packed into one buffer
	VertexDeclaration* newDecl = 
		sm->vertexData->vertexDeclaration->getAutoOrganisedDeclaration(false, true, false);
	sm->vertexData->reorganiseBuffers(newDecl);

	// create 2 poses
	Pose* pose = mesh->createPose(1, "pose1");
	// Pose1 moves vertices 0, 1, 2 and 3 upward 
	Vector3 offset1(0, 50, 0);
	pose->addVertex(0, offset1);
	pose->addVertex(1, offset1);
	pose->addVertex(2, offset1);
	pose->addVertex(3, offset1);

	pose = mesh->createPose(1, "pose2");
	// Pose2 moves vertices 3, 4, and 5 to the right
	// Note 3 gets affected by both
	Vector3 offset2(100, 0, 0);
	pose->addVertex(3, offset2);
	pose->addVertex(4, offset2);
	pose->addVertex(5, offset2);


	Animation* anim = mesh->createAnimation("poseanim", 20.0f);
	VertexAnimationTrack* vt = anim->createVertexTrack(1, sm->vertexData, VAT_POSE);
	
	// Frame 0 - no effect 
	VertexPoseKeyFrame* kf = vt->createVertexPoseKeyFrame(0);

	// Frame 1 - bring in pose 1 (index 0)
	kf = vt->createVertexPoseKeyFrame(3);
	kf->addPoseReference(0, 1.0f);

	// Frame 2 - remove all 
	kf = vt->createVertexPoseKeyFrame(6);

	// Frame 3 - bring in pose 2 (index 1)
	kf = vt->createVertexPoseKeyFrame(9);
	kf->addPoseReference(1, 1.0f);

	// Frame 4 - remove all
	kf = vt->createVertexPoseKeyFrame(12);


	// Frame 5 - bring in pose 1 at 50%, pose 2 at 100% 
	kf = vt->createVertexPoseKeyFrame(15);
	kf->addPoseReference(0, 0.5f);
	kf->addPoseReference(1, 1.0f);

	// Frame 6 - bring in pose 1 at 100%, pose 2 at 50% 
	kf = vt->createVertexPoseKeyFrame(18);
	kf->addPoseReference(0, 1.0f);
	kf->addPoseReference(1, 0.5f);

	// Frame 7 - reset
	kf = vt->createVertexPoseKeyFrame(20);

	// Export the mesh
	DataStreamPtr stream = Root::getSingleton().createFileStream(newName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, true);
	MeshSerializer ser;
	ser.exportMesh(mesh.get(), stream);
	stream->close();

	// Unload old mesh to force reload
	MeshManager::getSingleton().remove(mesh->getHandle());
	mesh->unload();
	mesh.setNull();

	Entity*  e;
	AnimationState* animState;
	// software pose
	e = mSceneMgr->createEntity("test2", newName);
	mSceneMgr->getRootSceneNode()->createChildSceneNode(Vector3(150,0,0))->attachObject(e);
	animState = e->getAnimationState("poseanim");
	animState->setEnabled(true);
	animState->setWeight(1.0f);
	mAnimStateList.push_back(animState);
	
	// test hardware pose
	e = mSceneMgr->createEntity("test", newName);
	mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(e);
//.........这里部分代码省略.........

FlexBody::FlexBody(SceneManager *manager, node_t *nds, int numnds, char* meshname, char* uname, int ref, int nx, int ny, Vector3 offset, Quaternion rot, char* setdef, MaterialFunctionMapper *mfm, Skin *usedSkin, bool enableShadows, MaterialReplacer *mr) : snode(0), faulty(false), mr(mr)
{
	nodes=nds;
	numnodes=numnds;
	cref=ref; nodes[cref].iIsSkin=true;
	cx=nx; nodes[cx].iIsSkin=true;
	cy=ny; nodes[cy].iIsSkin=true;
	coffset=offset;
	cameramode=-2; // all cameras
	enabled=true;

	haveshadows=(manager->getShadowTechnique()==SHADOWTYPE_STENCIL_MODULATIVE || manager->getShadowTechnique()==SHADOWTYPE_STENCIL_ADDITIVE);
	havetangents=false;
	haveblend=true;

	freenodeset=0;
	//parsing set definition
	char* pos=setdef;
	char* end=pos;
	char endwas='G';
	while (endwas!=0)
	{
		unsigned int val1, val2;
		end=pos;
		while (*end!='-' && *end!=',' && *end!=0) end++;
		endwas=*end;
		*end=0;
		val1=strtoul(pos, 0, 10);
		if (endwas=='-')
		{
			pos=end+1;
			end=pos;
			while (*end!=',' && *end!=0) end++;
			endwas=*end;
			*end=0;
			val2=strtoul(pos, 0, 10);
			addinterval(val1, val2);
		}
		else addinterval(val1, val1);
		pos=end+1;
	}

	/*
	// too verbose, removed
	for (int i=0; i<freenodeset; i++)
		LOG("FLEXBODY node interval "+TOSTRING(i)+": "+TOSTRING(nodeset[i].from)+"-"+TOSTRING(nodeset[i].to));
	*/

	Vector3 normal = Vector3::UNIT_Y;
	Vector3 position = Vector3::ZERO;
	Quaternion orientation = Quaternion::ZERO;
	if(ref >= 0)
	{
		normal=(nodes[ny].smoothpos-nodes[ref].smoothpos).crossProduct(nodes[nx].smoothpos-nodes[ref].smoothpos);
		normal.normalise();
		//position
		position=nodes[ref].smoothpos+offset.x*(nodes[nx].smoothpos-nodes[ref].smoothpos)+offset.y*(nodes[ny].smoothpos-nodes[ref].smoothpos);
		position=(position+normal*offset.z);
		//orientation
		Vector3 refx=nodes[nx].smoothpos-nodes[ref].smoothpos;
		refx.normalise();
		Vector3 refy=refx.crossProduct(normal);
		orientation=Quaternion(refx, normal, refy)*rot;
	} else
	{
		// special case!
		normal = Vector3::UNIT_Y;
		position=nodes[0].smoothpos+offset;
		orientation = rot;
	}

	// load unique mesh (load original mesh and clone it with unique name)

	// find group that contains the mesh
	String groupname="";
	try
	{
		groupname = ResourceGroupManager::getSingleton().findGroupContainingResource(meshname);
	}catch(...)
	{
	}
	if(groupname == "")
	{
		LOG("FLEXBODY mesh not found: "+String(meshname));
		faulty=true;
		return;
	}
	// build new unique mesh name
	char uname_mesh[256];
	memset(uname_mesh, 0, 254);
	strcpy(uname_mesh, uname);
	strcat(uname_mesh, "_mesh");
	MeshPtr mesh = Ogre::MeshManager::getSingleton().load(meshname, groupname);
	MeshPtr newmesh = mesh->clone(uname_mesh);
	
	// now find possible LODs
 	String basename, ext;
	StringUtil::splitBaseFilename(String(meshname), basename, ext);
	for(int i=0; i<4;i++)
	{
//.........这里部分代码省略.........