C++ SubMesh::addBoneAssignment方法代码示例

//.........这里部分代码省略.........
        std::vector<Ogre::RGBA> colorsRGB(colors.size());
        for(size_t i = 0;i < colorsRGB.size();i++)
        {
            Ogre::ColourValue clr(colors[i][0], colors[i][1], colors[i][2], colors[i][3]);
            rs->convertColourValue(clr, &colorsRGB[i]);
        }
        vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR),
                                            colorsRGB.size(), Ogre::HardwareBuffer::HBU_STATIC);
        vbuf->writeData(0, vbuf->getSizeInBytes(), &colorsRGB[0], true);
        decl->addElement(nextBuf, 0, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
        bind->setBinding(nextBuf++, vbuf);
    }

    // Texture UV coordinates
    size_t numUVs = data->uvlist.size();
    if (numUVs)
    {
        size_t elemSize = Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);

        for(size_t i = 0; i < numUVs; i++)
            decl->addElement(nextBuf, elemSize*i, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, i);

        vbuf = hwBufMgr->createVertexBuffer(decl->getVertexSize(nextBuf), srcVerts.size(),
                                            Ogre::HardwareBuffer::HBU_STATIC);

        std::vector<Ogre::Vector2> allUVs;
        allUVs.reserve(srcVerts.size()*numUVs);
        for (size_t vert = 0; vert<srcVerts.size(); ++vert)
            for(size_t i = 0; i < numUVs; i++)
                allUVs.push_back(data->uvlist[i][vert]);

        vbuf->writeData(0, elemSize*srcVerts.size()*numUVs, &allUVs[0], true);

        bind->setBinding(nextBuf++, vbuf);
    }

    // Triangle faces
    const std::vector<short> &srcIdx = data->triangles;
    if(srcIdx.size())
    {
        ibuf = hwBufMgr->createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, srcIdx.size(),
                                           Ogre::HardwareBuffer::HBU_STATIC);
        ibuf->writeData(0, ibuf->getSizeInBytes(), &srcIdx[0], true);
        sub->indexData->indexBuffer = ibuf;
        sub->indexData->indexCount = srcIdx.size();
        sub->indexData->indexStart = 0;
    }

    // Assign bone weights for this TriShape
    if(skin != NULL)
    {
        Ogre::SkeletonPtr skel = Ogre::SkeletonManager::getSingleton().getByName(mName);

        const Nif::NiSkinData *data = skin->data.getPtr();
        const Nif::NodeList &bones = skin->bones;
        for(size_t i = 0;i < bones.length();i++)
        {
            Ogre::VertexBoneAssignment boneInf;
            boneInf.boneIndex = skel->getBone(bones[i]->name)->getHandle();

            const std::vector<Nif::NiSkinData::VertWeight> &weights = data->bones[i].weights;
            for(size_t j = 0;j < weights.size();j++)
            {
                boneInf.vertexIndex = weights[j].vertex;
                boneInf.weight = weights[j].weight;
                sub->addBoneAssignment(boneInf);
            }
        }
    }

    const Nif::NiTexturingProperty *texprop = NULL;
    const Nif::NiMaterialProperty *matprop = NULL;
    const Nif::NiAlphaProperty *alphaprop = NULL;
    const Nif::NiVertexColorProperty *vertprop = NULL;
    const Nif::NiZBufferProperty *zprop = NULL;
    const Nif::NiSpecularProperty *specprop = NULL;
    const Nif::NiWireframeProperty *wireprop = NULL;
    bool needTangents = false;

    shape->getProperties(texprop, matprop, alphaprop, vertprop, zprop, specprop, wireprop);
    std::string matname = NIFMaterialLoader::getMaterial(data, mesh->getName(), mGroup,
                                                         texprop, matprop, alphaprop,
                                                         vertprop, zprop, specprop,
                                                         wireprop, needTangents);
    if(matname.length() > 0)
        sub->setMaterialName(matname);

    // build tangents if the material needs them
    if (needTangents)
    {
        unsigned short src,dest;
        if (!mesh->suggestTangentVectorBuildParams(Ogre::VES_TANGENT, src,dest))
            mesh->buildTangentVectors(Ogre::VES_TANGENT, src,dest);
    }

    // Create a dummy vertex animation track if there's a geom morpher controller
    // This is required to make Ogre create the buffers we will use for software vertex animation
    if (srcVerts.size() && geomMorpherController)
        mesh->createAnimation("dummy", 0)->createVertexTrack(1, sub->vertexData, Ogre::VAT_MORPH);
}

//.........这里部分代码省略.........
	ManualObject->position(1, 1, 1);
	ManualObject->triangle(18, 19, 20);

	ManualObject->position(1, 0, 0);
	ManualObject->position(1, 1, 1);
	ManualObject->position(1, 0, 1);
	ManualObject->triangle(21, 22, 23);
	//face 5
	ManualObject->position(0, 1, 0);
	ManualObject->position(1, 1, 0);
	ManualObject->position(0, 1, 1);
	ManualObject->triangle(24, 25, 26);

	ManualObject->position(1, 1, 0);
	ManualObject->position(1, 1, 1);
	ManualObject->position(0, 1, 1);
	ManualObject->triangle(27, 28, 29);
	
	//face 6
	ManualObject->position(0, 0, 0);
	ManualObject->position(0, 1, 1);
	ManualObject->position(0, 0, 1);
	ManualObject->triangle(30, 31, 32);

	ManualObject->position(0, 0, 0);
	ManualObject->position(0, 1, 0);
	ManualObject->position(0, 1, 1);
	ManualObject->triangle(33, 34, 35);

	ManualObject->end();
	Ogre::MeshPtr MeshPtr = ManualObject->convertToMesh("Animation");
	Ogre::SubMesh* sub = MeshPtr->getSubMesh(0);
	
	Ogre::SkeletonPtr Skeleton = Ogre::SkeletonManager::getSingleton().create("Skeleton", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
	MeshPtr.getPointer()->_notifySkeleton(Skeleton);
	Ogre::Bone *Root1 = NULL;
	Ogre::Bone *Child1 = NULL;
	Ogre::Bone *Child2 = NULL;

	Root1 = Skeleton.getPointer()->createBone("Root");
	Root1->setPosition(Ogre::Vector3(0.0, 0.0, 0.0));
	Root1->setOrientation(Ogre::Quaternion::IDENTITY);
	
	Child1 = Root1->createChild(1);
	Child1->setPosition(Ogre::Vector3(4.0, 0.0, 0.0));
	Child1->setOrientation(Ogre::Quaternion::IDENTITY);
	Child2 = Root1->createChild(2);
	Child2->setPosition(Ogre::Vector3(5.0, 0.0, 0.0));
	Child2->setOrientation(Ogre::Quaternion::IDENTITY);

	Ogre::VertexBoneAssignment Assignment;

	Assignment.boneIndex = 0;
	Assignment.vertexIndex = 0;
	Assignment.weight = 1.0;
	Skeleton->setBindingPose();

	sub->addBoneAssignment(Assignment);

	Assignment.vertexIndex = 1;
	sub->addBoneAssignment(Assignment);

	Assignment.vertexIndex = 2;
	sub->addBoneAssignment(Assignment);

	Ogre::Animation *Animation = MeshPtr->createAnimation("HandAnimation", 100.0);
	Ogre::NodeAnimationTrack *Track = Animation->createNodeTrack(0, Root1);
	Ogre::TransformKeyFrame *KeyFrame = NULL;

	for (float FrameTime = 0.0; FrameTime < 100.0; FrameTime += 0.1)
	{
		KeyFrame = Track->createNodeKeyFrame(FrameTime);
		KeyFrame->setTranslate(Ogre::Vector3(10.0, 0.0, 0.0));
	}

	Root1->setManuallyControlled(true);
	Child1->setManuallyControlled(true);
	Child2->setManuallyControlled(true);
	MeshPtr->load();

	MeshPtr.getPointer()->_notifySkeleton(Skeleton);
		
//	Ogre::SkeletonSerializer skeletonSerializer;
//	skeletonSerializer.exportSkeleton(Skeleton.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.skeleton");
//	Ogre::MeshSerializer ser;
//    ser.exportMesh(MeshPtr.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.mesh");

	Ogre::Entity *Entity = SceneManager->createEntity("Animation", "Animation"/*"testskeleton.mesh"*/);
	Ogre::SceneNode *SceneNode = SceneManager->getRootSceneNode()->createChildSceneNode();
	SceneNode->attachObject(Entity);
	Entity->setDisplaySkeleton(true);

	m_AnimationState = Entity->getAnimationState("HandAnimation");
	m_AnimationState->setEnabled(true);
	m_AnimationState->setLoop(true);
	
	m_Camera->setPolygonMode(Ogre::PolygonMode::PM_WIREFRAME);
	 
	Root->renderOneFrame();
}

//.........这里部分代码省略.........
                min.makeFloor(currpos);
                max.makeCeil(currpos);
                maxSquaredRadius = std::max(maxSquaredRadius, currpos.squaredLength());
            }

            int boneIdx = msVertex_GetBoneIndex(pVertex);
            if (boneIdx != -1)
            {
				foundBoneAssignment = true;
				numbones = 1;
				intbones[0] = intbones[1] = intbones[2] = -1;
				intweight[0] = intweight[1] = intweight[2] = 0;
				for(wh = 0; wh < 3; ++wh) 
				{
					intbones[wh] = msVertexEx_GetBoneIndices(pVertexEx, wh);
					if(intbones[wh] == -1) 
						break;

					++numbones;
					intweight[wh] = msVertexEx_GetBoneWeights(pVertexEx, wh);

				} // for(k)
				Ogre::VertexBoneAssignment vertAssign;
				vertAssign.boneIndex = boneIdx;
				vertAssign.vertexIndex = (unsigned int)j;
				if(numbones == 1) 
				{
					vertAssign.weight = 1.0;
				} // single assignment
				else 
				{
					vertAssign.weight=(Ogre::Real)intweight[0]/100.0;
				}
				ogreSubMesh->addBoneAssignment(vertAssign);
				if(numbones > 1) 
				{
					// this somewhat contorted logic is because the first weight [0] matches to the bone assignment
					// located with pVertex. The next two weights [1][2] match up to the first two bones found
					// with pVertexEx [0][1]. The weight for the fourth bone, if present, is the unassigned weight
					for(wh = 0; wh < 3; wh++) 
					{
						boneIdx = intbones[wh];
						if(boneIdx == -1) 
							break;
						vertAssign.boneIndex = boneIdx;
						vertAssign.vertexIndex = (unsigned int)j;
						if(wh == 2) 
						{ 
							// fourth weight is 1.0-(sumoffirstthreeweights)
							vertAssign.weight = 1.0-(((Ogre::Real)intweight[0]/100.0)+
								((Ogre::Real)intweight[1]/100.0)+((Ogre::Real)intweight[2]/100.0));
						}
						else 
						{
							vertAssign.weight=(Ogre::Real)intweight[wh+1];
						}
						ogreSubMesh->addBoneAssignment(vertAssign);
					} // for(k)
				} // if(numbones)
			}

        }
        pbuf->unlock();

        float* pTex = static_cast<float*>(
            tbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));

//.........这里部分代码省略.........
     bool use32BitIndexes = false;
     if (m_vertices.size() > 65536 || params.useSharedGeom)
     {
         use32BitIndexes = true;
     }
     // Create a new index buffer
     pSubmesh->indexData->indexBuffer = 
         Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
             use32BitIndexes ? Ogre::HardwareIndexBuffer::IT_32BIT : Ogre::HardwareIndexBuffer::IT_16BIT,
             pSubmesh->indexData->indexCount,
             Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
     // Fill the index buffer with faces data
     if (use32BitIndexes)
     {
         Ogre::uint32* pIdx = static_cast<Ogre::uint32*>(
             pSubmesh->indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
         for (i=0; i<m_faces.size(); i++)
         {
             *pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[0]);
             *pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[1]);
             *pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[2]);
         }
         pSubmesh->indexData->indexBuffer->unlock();
     }
     else
     {
         Ogre::uint16* pIdx = static_cast<Ogre::uint16*>(
             pSubmesh->indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
         for (i=0; i<m_faces.size(); i++)
         {
             *pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[0]);
             *pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[1]);
             *pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[2]);
         }
         pSubmesh->indexData->indexBuffer->unlock();
     }
     // Define vertex declaration (only if we're not using shared geometry)
     if(!params.useSharedGeom)
     {
         Ogre::VertexDeclaration* pDecl = pSubmesh->vertexData->vertexDeclaration;
         unsigned buf = 0;
         size_t offset = 0;
         // Add vertex position
         pDecl->addElement(buf, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
         offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
         // Add vertex normal
         if (params.exportVertNorm)
         {
             pDecl->addElement(buf, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
             offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
         }
         // Add vertex colour
         if(params.exportVertCol)
         {
             pDecl->addElement(buf, offset, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
             offset += Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR);
         }
         // Add texture coordinates
         for (i=0; i<m_vertices[0].texcoords.size(); i++)
         {
             Ogre::VertexElementType uvType = Ogre::VertexElement::multiplyTypeCount(Ogre::VET_FLOAT1, 2);
             pDecl->addElement(buf, offset, uvType, Ogre::VES_TEXTURE_COORDINATES, static_cast<unsigned short>(i));
             offset += Ogre::VertexElement::getTypeSize(uvType);
         }
         Ogre::VertexDeclaration* pOptimalDecl = pDecl->getAutoOrganisedDeclaration(
             params.exportVBA, params.exportBlendShapes || params.exportVertAnims, false);
         // Fill the vertex buffer using the newly created vertex declaration
         stat = createOgreVertexBuffer(pSubmesh,pDecl,m_vertices);
         // Write vertex bone assignements list
         if (params.exportVBA)
         {
             // Create a new vertex bone assignements list
             Ogre::SubMesh::VertexBoneAssignmentList vbas;
             // Scan list of shared geometry vertices
             for (i=0; i<m_vertices.size(); i++)
             {
                 vertex v = m_vertices[i];
                 // Add all bone assignemnts for every vertex to the bone assignements list
                 for (j=0; j<v.vbas.size(); j++)
                 {
                     Ogre::VertexBoneAssignment vba;
                     vba.vertexIndex = static_cast<unsigned int>(i);
                     vba.boneIndex = v.vbas[j].jointIdx;
                     vba.weight = v.vbas[j].weight;
                     vbas.insert(Ogre::SubMesh::VertexBoneAssignmentList::value_type(i, vba));
                 }
             }
             // Rationalise the bone assignements list
             pSubmesh->parent->_rationaliseBoneAssignments(pSubmesh->vertexData->vertexCount,vbas);
             // Add bone assignements to the submesh
             for (Ogre::SubMesh::VertexBoneAssignmentList::iterator bi = vbas.begin(); bi != vbas.end(); bi++)
             {
                 pSubmesh->addBoneAssignment(bi->second);
             }
             pSubmesh->_compileBoneAssignments();
         }
         pSubmesh->vertexData->reorganiseBuffers(pOptimalDecl);
     }
     return true;
 }