startup_update.cpp

#include "pch.h"

#include "startup_update.h"
#include "startup_update_internal.h"

#include "mapInfo.h"
#include "runtime.h"

#include <mutex>

namespace mapupdater::startup {
namespace {

std::once_flag g_start_once;
void RunAutoUpdateFlow() {
  const auto &state = runtime::GetRuntimeState();

  if (!state.config.dota_enabled && !state.config.lod_enabled) {
    DebugLog(state.config,
             "[Debug] Both dota and lod are disabled, skipping update check.");
    return;
  }

  const auto maps_info = FetchLatestMapsInfo(state.config);
  if (!maps_info.has_value()) {
    return;
  }

  const auto missing_items = BuildMissingDownloadItems(state, *maps_info);
  if (missing_items.empty()) {
    DebugLog(state.config, "[Debug] Required files already exist, skipping update.");
    return;
  }

  (void)RunCustomOverlaySession(missing_items, *maps_info, state.config,
                                state.config.autoupdate_enabled);
}

} // namespace
void StartAutoUpdateFlowAsyncOnDllAttach() {
  std::call_once(g_start_once, []() {
    const HANDLE thread = CreateThread(
        nullptr, 0,
        [](LPVOID) -> DWORD {
          RunAutoUpdateFlow();
          return 0;
        },
        nullptr, 0, nullptr);

    if (thread != nullptr) {
      CloseHandle(thread);
    }
  });
}

} // namespace mapupdater::startup