Method Postprocess_BuildScene

code/AssetLib/AMF/AMFImporter_Postprocess.cpp:725–888

}

void AMFImporter::Postprocess_BuildScene(aiScene *pScene) {
    NodeArray nodeArray;
    MeshArray mesh_list;
    AMFMetaDataArray meta_list;

    //
    // Because for AMF "material" is just complex colors mixing so aiMaterial will not be used.
    // For building aiScene we are must to do few steps:
    // at first creating root node for aiScene.
    pScene->mRootNode = new aiNode;
    pScene->mRootNode->mParent = nullptr;
    pScene->mFlags |= AI_SCENE_FLAGS_ALLOW_SHARED;
    // search for root(<amf>) element
    AMFNodeElementBase *root_el = nullptr;

    for (AMFNodeElementBase *ne : mNodeElement_List) {
        if (ne->Type != AMFNodeElementBase::ENET_Root) {
            continue;
        }

        root_el = ne;
        break;
    } // for(const CAMFImporter_NodeElement* ne: mNodeElement_List)

    // Check if root element are found.
    if (root_el == nullptr) {
        throw DeadlyImportError("Root(<amf>) element not found.");
    }

    // after that walk through children of root and collect data. Five types of nodes can be placed at top level - in <amf>: <object>, <material>, <texture>,
    // <constellation> and <metadata>. But at first we must read <material> and <texture> because they will be used in <object>. <metadata> can be read
    // at any moment.
    //
    // 1. <material>
    // 2. <texture> will be converted later when processing triangles list. \sa Postprocess_BuildMeshSet
    for (const AMFNodeElementBase *root_child : root_el->Child) {
        if (root_child->Type == AMFNodeElementBase::ENET_Material) {
            Postprocess_BuildMaterial(*((AMFMaterial *)root_child));
        }
    }

    // After "appearance" nodes we must read <object> because it will be used in <constellation> -> <instance>.
    //
    // 3. <object>
    for (const AMFNodeElementBase *root_child : root_el->Child) {
        if (root_child->Type == AMFNodeElementBase::ENET_Object) {
            aiNode *tnode = nullptr;

            // for <object> mesh and node must be built: object ID assigned to aiNode name and will be used in future for <instance>
            Postprocess_BuildNodeAndObject(*((AMFObject *)root_child), mesh_list, &tnode);
            if (tnode != nullptr) {
                nodeArray.push_back(tnode);
            }
        }
    } // for(const CAMFImporter_NodeElement* root_child: root_el->Child)

    // And finally read rest of nodes.
    //