Method CreateAnimation

code/AssetLib/Collada/ColladaLoader.cpp:1100–1473

------------------------------------------------------------------------------------------------ Constructs the animation for the given source anim

// ------------------------------------------------------------------------------------------------
// Constructs the animation for the given source anim
void ColladaLoader::CreateAnimation(aiScene *pScene, const ColladaParser &pParser, const Animation *pSrcAnim, const std::string &pName) {
    // collect a list of animatable nodes
    std::vector<const aiNode *> nodes;
    CollectNodes(pScene->mRootNode, nodes);

    std::vector<aiNodeAnim *> anims;
    std::vector<aiMeshMorphAnim *> morphAnims;

    for (auto node : nodes) {
        // find all the collada anim channels which refer to the current node
        std::vector<ChannelEntry> entries;
        std::string nodeName = node->mName.data;

        // find the collada node corresponding to the aiNode
        const Node *srcNode = FindNode(pParser.mRootNode, nodeName);
        if (!srcNode) {
            continue;
        }

        // now check all channels if they affect the current node
        std::string targetID, subElement;
        for (auto cit = pSrcAnim->mChannels.begin();
                cit != pSrcAnim->mChannels.end(); ++cit) {
            const AnimationChannel &srcChannel = *cit;
            ChannelEntry entry;

            // we expect the animation target to be of type "nodeName/transformID.subElement". Ignore all others
            // find the slash that separates the node name - there should be only one
            std::string::size_type slashPos = srcChannel.mTarget.find('/');
            if (slashPos == std::string::npos) {
                std::string::size_type targetPos = srcChannel.mTarget.find(srcNode->mID);
                if (targetPos == std::string::npos) {
                    continue;
                }

                // not node transform, but something else. store as unknown animation channel for now
                entry.mChannel = &(*cit);
                entry.mTargetId = srcChannel.mTarget.substr(targetPos + pSrcAnim->mName.length(),
                        srcChannel.mTarget.length() - targetPos - pSrcAnim->mName.length());
                if (entry.mTargetId.front() == '-') {
                    entry.mTargetId = entry.mTargetId.substr(1);
                }
                entries.push_back(entry);
                continue;
            }
            if (srcChannel.mTarget.find('/', slashPos + 1) != std::string::npos) {
                continue;
            }

            targetID.clear();
            targetID = srcChannel.mTarget.substr(0, slashPos);
            if (targetID != srcNode->mID) {
                continue;
            }

            // find the dot that separates the transformID - there should be only one or zero
            std::string::size_type dotPos = srcChannel.mTarget.find('.');
            if (dotPos != std::string::npos) {