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C++ MeshPtr::getBoneAssignments方法代码示例

本文整理汇总了C++中ogre::MeshPtr::getBoneAssignments方法的典型用法代码示例。如果您正苦于以下问题:C++ MeshPtr::getBoneAssignments方法的具体用法?C++ MeshPtr::getBoneAssignments怎么用?C++ MeshPtr::getBoneAssignments使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ogre::MeshPtr的用法示例。


在下文中一共展示了MeshPtr::getBoneAssignments方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: unshareVertices

    //-----------------------------------------------------------------------
    void InstanceManager::unshareVertices(const Ogre::MeshPtr &mesh)
    {
        // Retrieve data to copy bone assignments
        const Mesh::VertexBoneAssignmentList& boneAssignments = mesh->getBoneAssignments();
        Mesh::VertexBoneAssignmentList::const_iterator it = boneAssignments.begin();
        Mesh::VertexBoneAssignmentList::const_iterator end = boneAssignments.end();
        size_t curVertexOffset = 0;

        // Access shared vertices
        VertexData* sharedVertexData = mesh->sharedVertexData;

        for (size_t subMeshIdx = 0; subMeshIdx < mesh->getNumSubMeshes(); subMeshIdx++)
        {
            SubMesh *subMesh = mesh->getSubMesh(subMeshIdx);

            IndexData *indexData = subMesh->indexData;
            HardwareIndexBuffer::IndexType idxType = indexData->indexBuffer->getType();
            IndicesMap indicesMap = (idxType == HardwareIndexBuffer::IT_16BIT) ? getUsedIndices<uint16>(indexData) :
                                                                                 getUsedIndices<uint32>(indexData);


            VertexData *newVertexData = new VertexData();
            newVertexData->vertexCount = indicesMap.size();
            newVertexData->vertexDeclaration = sharedVertexData->vertexDeclaration->clone();

            for (size_t bufIdx = 0; bufIdx < sharedVertexData->vertexBufferBinding->getBufferCount(); bufIdx++) 
            {
                HardwareVertexBufferSharedPtr sharedVertexBuffer = sharedVertexData->vertexBufferBinding->getBuffer(bufIdx);
                size_t vertexSize = sharedVertexBuffer->getVertexSize();                

                HardwareVertexBufferSharedPtr newVertexBuffer = HardwareBufferManager::getSingleton().createVertexBuffer
                    (vertexSize, newVertexData->vertexCount, sharedVertexBuffer->getUsage(), sharedVertexBuffer->hasShadowBuffer());

                uint8 *oldLock = (uint8*)sharedVertexBuffer->lock(0, sharedVertexData->vertexCount * vertexSize, HardwareBuffer::HBL_READ_ONLY);
                uint8 *newLock = (uint8*)newVertexBuffer->lock(0, newVertexData->vertexCount * vertexSize, HardwareBuffer::HBL_NORMAL);

                IndicesMap::iterator indIt = indicesMap.begin();
                IndicesMap::iterator endIndIt = indicesMap.end();
                for (; indIt != endIndIt; ++indIt)
                {
                    memcpy(newLock + vertexSize * indIt->second, oldLock + vertexSize * indIt->first, vertexSize);
                }

                sharedVertexBuffer->unlock();
                newVertexBuffer->unlock();

                newVertexData->vertexBufferBinding->setBinding(bufIdx, newVertexBuffer);
            }

            if (idxType == HardwareIndexBuffer::IT_16BIT)
            {
                copyIndexBuffer<uint16>(indexData, indicesMap);
            }
            else
            {
                copyIndexBuffer<uint32>(indexData, indicesMap);
            }

            // Store new attributes
            subMesh->useSharedVertices = false;
            subMesh->vertexData = newVertexData;

            // Transfer bone assignments to the submesh
            size_t offset = curVertexOffset + newVertexData->vertexCount;
            for (; it != end; ++it)
            {
                size_t vertexIdx = (*it).first;
                if (vertexIdx > offset)
                    break;

                VertexBoneAssignment boneAssignment = (*it).second;
                boneAssignment.vertexIndex = static_cast<unsigned int>(boneAssignment.vertexIndex - curVertexOffset);
                subMesh->addBoneAssignment(boneAssignment);
            }
            curVertexOffset = newVertexData->vertexCount + 1;
        }

        // Release shared vertex data
        delete mesh->sharedVertexData;
        mesh->sharedVertexData = NULL;
        mesh->clearBoneAssignments();
    }
开发者ID:Gerviba,项目名称:MuOnline,代码行数:83,代码来源:OgreInstanceManager.cpp


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