network_gamelist.cpp

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/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "../stdafx.h"
#include "../debug.h"
#include "../window_func.h"
#include "network_internal.h"
#include "network_udp.h"
#include "network_gamelist.h"
#include <atomic>
 
#include "../safeguards.h"
 
std::vector<std::unique_ptr<NetworkGame>> _network_game_list; 
int _network_game_list_version = 0; 
 
NetworkGame *NetworkGameListAddItem(const std::string &connection_string)
{
  /* Parse the connection string to ensure the default port is there. */
  const std::string resolved_connection_string = ServerAddress::Parse(connection_string, NETWORK_DEFAULT_PORT).connection_string;
 
  /* Check if it's already added. */
  auto it = std::ranges::find(_network_game_list, resolved_connection_string, &NetworkGame::connection_string);
  if (it != std::end(_network_game_list)) return it->get();
 
  auto &item = _network_game_list.emplace_back(std::make_unique<NetworkGame>(resolved_connection_string));
  item->info.gamescript_version = -1;
  item->version = _network_game_list_version;
 
  UpdateNetworkGameWindow();
 
  return item.get();
}
 
void NetworkGameListRemoveItem(NetworkGame *remove)
{
  auto it = std::ranges::find_if(_network_game_list, [&remove](const auto &item) { return item.get() == remove; });
  if (it != std::end(_network_game_list)) {
    _network_game_list.erase(it);
 
    NetworkRebuildHostList();
    UpdateNetworkGameWindow();
  }
}
 
void NetworkGameListRemoveExpired()
{
  auto it = std::remove_if(std::begin(_network_game_list), std::end(_network_game_list), [](const auto &item) { return !item->manually && item->version < _network_game_list_version; });
  _network_game_list.erase(it, std::end(_network_game_list));
 
  UpdateNetworkGameWindow();
}
 
void NetworkAfterNewGRFScan()
{
  for (const auto &item : _network_game_list) {
    /* Reset compatibility state */
    item->info.compatible = item->info.version_compatible;
 
    for (auto &c : item->info.grfconfig) {
      assert(c->flags.Test(GRFConfigFlag::Copy));
 
      const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, &c->ident.md5sum);
      if (f == nullptr) {
        /* Don't know the GRF (anymore), so mark game incompatible. */
        c->status = GCS_NOT_FOUND;
 
        /* If we miss a file, we're obviously incompatible. */
        item->info.compatible = false;
      } else {
        c->filename = f->filename;
        c->name = f->name;
        c->info = f->info;
        c->status = GCS_UNKNOWN;
      }
    }
  }
 
  InvalidateWindowClassesData(WC_NETWORK_WINDOW);
}