Method DT1

src/Abyss/DataTypes/DT1.cpp:15–185

namespace Abyss::DataTypes {

DT1::DT1(const std::string_view path, const Palette &palette) {
    if (const auto lastSeparator = std::max(path.find_last_of('/'), path.find_last_of('\\')); lastSeparator != std::string_view::npos) {
        name = std::string(path.substr(lastSeparator + 1));
    } else {
        name = std::string(path);
    }

    auto file = AbyssEngine::getInstance().loadFile(path);
    Streams::StreamReader sr(file);

    int versionMajor = sr.readUInt32();
    int versionMinor = sr.readUInt32();
    if (versionMajor != 7 || versionMinor != 6) {
        throw std::runtime_error("DT1 version not supported");
    }

    sr.skip(260);
    uint32_t numberOfTiles = sr.readUInt32();
    uint32_t pointerToTileHeaders = sr.readUInt32();
    sr.seek(pointerToTileHeaders);

    std::vector<DT1TileHeader> tileHeaders(numberOfTiles);

    for (auto &tileHeader : tileHeaders) {
        tileHeader.direction = sr.readUInt32();
        tileHeader.roofHeight = sr.readUInt16();
        tileHeader.soundIndex = sr.readUInt8();
        tileHeader.animated = sr.readUInt8();
        tileHeader.height = sr.readInt32();
        tileHeader.width = sr.readInt32();
        sr.skip(4);
        tileHeader.orientation = static_cast<TileType>(sr.readUInt32());
        tileHeader.mainIndex = sr.readUInt32();
        tileHeader.subIndex = sr.readUInt32();
        tileHeader.rarityOrFrameIndex = sr.readUInt32();
        sr.skip(4);
        for (DT1SubtileFlag &flag : tileHeader.subtileFlags) {
            flag = static_cast<DT1SubtileFlag>(sr.readByte());
        }
        sr.skip(7);
        tileHeader.blockHeaderPointer = sr.readUInt32();
        tileHeader.blockDataLength = sr.readUInt32();
        tileHeader.numberOfBlocks = sr.readUInt32();
        sr.skip(12);
    }

    for (auto &tileHeader : tileHeaders) {
        auto &currentTile = tiles.emplace_back();
        currentTile.header = tileHeader;

        std::vector<DT1BlockHeader> blockHeaders(tileHeader.numberOfBlocks);
        sr.seek(tileHeader.blockHeaderPointer);
        for (auto &blockHeader : blockHeaders) {
            blockHeader.posX = sr.readInt16();
            blockHeader.posY = sr.readInt16();
            sr.skip(2);
            blockHeader.gridX = sr.readUInt8();
            blockHeader.gridY = sr.readUInt8();