openttd.h

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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/>.
 */
 
#ifndef OPENTTD_H
#define OPENTTD_H
 
#include <atomic>
#include <chrono>
#include "core/enum_type.hpp"
 
enum GameMode {
  GM_MENU,
  GM_NORMAL,
  GM_EDITOR,
  GM_BOOTSTRAP
};
 
enum SwitchMode {
  SM_NONE,
  SM_NEWGAME,           
  SM_RESTARTGAME,       
  SM_RELOADGAME,        
  SM_EDITOR,            
  SM_LOAD_GAME,         
  SM_MENU,              
  SM_SAVE_GAME,         
  SM_SAVE_HEIGHTMAP,    
  SM_GENRANDLAND,       
  SM_LOAD_SCENARIO,     
  SM_START_HEIGHTMAP,   
  SM_LOAD_HEIGHTMAP,    
  SM_RESTART_HEIGHTMAP, 
  SM_JOIN_GAME,         
};
 
enum DisplayOptions {
  DO_SHOW_TOWN_NAMES     = 0, 
  DO_SHOW_STATION_NAMES  = 1, 
  DO_SHOW_SIGNS          = 2, 
  DO_FULL_ANIMATION      = 3, 
  DO_FULL_DETAIL         = 5, 
  DO_SHOW_WAYPOINT_NAMES = 6, 
  DO_SHOW_COMPETITOR_SIGNS = 7, 
};
 
extern GameMode _game_mode;
extern SwitchMode _switch_mode;
extern std::chrono::steady_clock::time_point _switch_mode_time;
extern std::atomic<bool> _exit_game;
extern bool _save_config;
 
enum PauseMode : byte {
  PM_UNPAUSED              = 0,      
  PM_PAUSED_NORMAL         = 1 << 0, 
  PM_PAUSED_SAVELOAD       = 1 << 1, 
  PM_PAUSED_JOIN           = 1 << 2, 
  PM_PAUSED_ERROR          = 1 << 3, 
  PM_PAUSED_ACTIVE_CLIENTS = 1 << 4, 
  PM_PAUSED_GAME_SCRIPT    = 1 << 5, 
  PM_PAUSED_LINK_GRAPH     = 1 << 6, 
  PM_COMMAND_DURING_PAUSE  = 1 << 7, 
 
  PMB_PAUSED_NETWORK = PM_PAUSED_ACTIVE_CLIENTS | PM_PAUSED_JOIN,
};
DECLARE_ENUM_AS_BIT_SET(PauseMode)
 
 
extern PauseMode _pause_mode;
 
void AskExitGame();
void AskExitToGameMenu();
 
int openttd_main(int argc, char *argv[]);
void StateGameLoop();
void HandleExitGameRequest();
 
void SwitchToMode(SwitchMode new_mode);
 
bool RequestNewGRFScan(struct NewGRFScanCallback *callback = nullptr);
void GenerateSavegameId();
 
void OpenBrowser(const std::string &url);
void ChangeAutosaveFrequency(bool reset);
 
#endif /* OPENTTD_H */