Method InternReadFile

code/AssetLib/AC/ACLoader.cpp:785–900

------------------------------------------------------------------------------------------------ Imports the given file into the given scene structure.

// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void AC3DImporter::InternReadFile(const std::string &pFile,
        aiScene *pScene, IOSystem *pIOHandler) {
    std::unique_ptr<IOStream> file(pIOHandler->Open(pFile, "rb"));

    // Check whether we can read from the file
    if (file == nullptr) {
        throw DeadlyImportError("Failed to open AC3D file ", pFile, ".");
    }

    // allocate storage and copy the contents of the file to a memory buffer
    std::vector<char> mBuffer2;
    TextFileToBuffer(file.get(), mBuffer2);

    mBuffer.data = &mBuffer2[0];
    mBuffer.end = &mBuffer2[0] + mBuffer2.size();
    mNumMeshes = 0;

    mLightsCounter = mPolysCounter = mWorldsCounter = mGroupsCounter = 0;

    if (::strncmp(mBuffer.data, "AC3D", 4)) {
        throw DeadlyImportError("AC3D: No valid AC3D file, magic sequence not found");
    }

    // print the file format version to the console
    unsigned int version = HexDigitToDecimal(mBuffer.data[4]);
    char msg[3];
    ASSIMP_itoa10(msg, 3, version);
    ASSIMP_LOG_INFO("AC3D file format version: ", msg);

    std::vector<Material> materials;
    materials.reserve(5);

    std::vector<Object> rootObjects;
    rootObjects.reserve(5);

    std::vector<aiLight *> lights;
    mLights = &lights;

    while (GetNextLine()) {
        if (TokenMatch(mBuffer.data, "MATERIAL", 8)) {
            materials.emplace_back();
            Material &mat = materials.back();

            // manually parse the material ... sscanf would use the buldin atof ...
            // Format: (name) rgb %f %f %f  amb %f %f %f  emis %f %f %f  spec %f %f %f  shi %d  trans %f

            mBuffer.data = AcSkipToNextToken(mBuffer.data, mBuffer.end);
            if ('\"' == *mBuffer.data) {
                mBuffer.data = AcGetString(mBuffer.data, mBuffer.end, mat.name);
                mBuffer.data = AcSkipToNextToken(mBuffer.data, mBuffer.end);
            }

            mBuffer.data = TAcCheckedLoadFloatArray(mBuffer.data, mBuffer.end, "rgb", 3, 3, &mat.rgb);
            mBuffer.data = TAcCheckedLoadFloatArray(mBuffer.data, mBuffer.end, "amb", 3, 3, &mat.amb);
            mBuffer.data = TAcCheckedLoadFloatArray(mBuffer.data, mBuffer.end, "emis", 4, 3, &mat.emis);
            mBuffer.data = TAcCheckedLoadFloatArray(mBuffer.data, mBuffer.end, "spec", 4, 3, &mat.spec);
            mBuffer.data = TAcCheckedLoadFloatArray(mBuffer.data, mBuffer.end, "shi", 3, 1, &mat.shin);
            mBuffer.data = TAcCheckedLoadFloatArray(mBuffer.data, mBuffer.end, "trans", 5, 1, &mat.trans);