Method startMergeOperation

radiantcore/map/Map.cpp:1334–1380

}

void Map::startMergeOperation(const std::string& sourceMap)
{
    if (!os::fileOrDirExists(sourceMap))
    {
        throw cmd::ExecutionFailure(fmt::format(_("File doesn't exist: {0}"), sourceMap));
    }

    prepareMergeOperation();

    auto sourceMapResource = GlobalMapResourceManager().createFromPath(sourceMap);

    try
    {
        if (sourceMapResource->load())
        {
            assignRenderSystem(sourceMapResource->getRootNode());

            // Compare the scenes and get the report
            auto result = scene::merge::GraphComparer::Compare(sourceMapResource->getRootNode(), getRoot());

            // Create the merge actions
            _mergeOperation = scene::merge::MergeOperation::CreateFromComparisonResult(*result);

            if (_mergeOperation->hasActions())
            {
                // Create renderable merge actions
                createMergeActions();

                // Switch to merge mode
                setEditMode(EditMode::Merge);

                emitMapEvent(IMap::MapMergeOperationStarted);
            }
            else
            {
                radiant::NotificationMessage::SendInformation(_("The Merge Operation turns out to be empty, nothing to do."));
            }

            // Dispose of the resource, we don't need it anymore
            sourceMapResource->clear();
        }
    }
    catch (const IMapResource::OperationException& ex)
    {
        radiant::NotificationMessage::SendError(ex.what());
    }
}

void Map::startMergeOperation(const std::string& sourceMap, const std::string& baseMap)
{