/**
* State controlling game loop.
* The state must not be changed from anywhere but here.
* That check is enforced in DoCommand.
*/
void StateGameLoop()
{
/* don't execute the state loop during pause */
if (_pause_mode != PM_UNPAUSED) {
UpdateLandscapingLimits();
#ifndef DEBUG_DUMP_COMMANDS
Game::GameLoop();
#endif
CallWindowTickEvent();
return;
}
if (HasModalProgress()) return;
Layouter::ReduceLineCache();
if (_game_mode == GM_EDITOR) {
BasePersistentStorageArray::SwitchMode(PSM_ENTER_GAMELOOP);
RunTileLoop();
CallVehicleTicks();
CallLandscapeTick();
BasePersistentStorageArray::SwitchMode(PSM_LEAVE_GAMELOOP);
UpdateLandscapingLimits();
CallWindowTickEvent();
NewsLoop();
} else {
if (_debug_desync_level > 2 && _date_fract == 0 && (_date & 0x1F) == 0) {
/* Save the desync savegame if needed. */
char name[MAX_PATH];
seprintf(name, lastof(name), "dmp_cmds_%08x_%08x.sav", _settings_game.game_creation.generation_seed, _date);
SaveOrLoad(name, SLO_SAVE, DFT_GAME_FILE, AUTOSAVE_DIR, false);
}
CheckCaches();
/* All these actions has to be done from OWNER_NONE
* for multiplayer compatibility */
Backup<CompanyByte> cur_company(_current_company, OWNER_NONE, FILE_LINE);
BasePersistentStorageArray::SwitchMode(PSM_ENTER_GAMELOOP);
AnimateAnimatedTiles();
IncreaseDate();
RunTileLoop();
CallVehicleTicks();
CallLandscapeTick();
BasePersistentStorageArray::SwitchMode(PSM_LEAVE_GAMELOOP);
#ifndef DEBUG_DUMP_COMMANDS
AI::GameLoop();
Game::GameLoop();
#endif
UpdateLandscapingLimits();
CallWindowTickEvent();
NewsLoop();
cur_company.Restore();
}
assert(IsLocalCompany());
}
/**
* Generate a world.
* @param mode The mode of world generation (see GenWorldMode).
* @param size_x The X-size of the map.
* @param size_y The Y-size of the map.
* @param reset_settings Whether to reset the game configuration (used for restart)
*/
void GenerateWorld(GenWorldMode mode, uint size_x, uint size_y, bool reset_settings)
{
if (HasModalProgress()) return;
_gw.mode = mode;
_gw.size_x = size_x;
_gw.size_y = size_y;
SetModalProgress(true);
_gw.abort = false;
_gw.abortp = NULL;
_gw.lc = _local_company;
_gw.quit_thread = false;
_gw.threaded = true;
/* This disables some commands and stuff */
SetLocalCompany(COMPANY_SPECTATOR);
InitializeGame(_gw.size_x, _gw.size_y, true, reset_settings);
PrepareGenerateWorldProgress();
/* Load the right landscape stuff, and the NewGRFs! */
GfxLoadSprites();
LoadStringWidthTable();
/* Re-init the windowing system */
ResetWindowSystem();
/* Create toolbars */
SetupColoursAndInitialWindow();
SetObjectToPlace(SPR_CURSOR_ZZZ, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
if (_gw.thread != NULL) {
_gw.thread->Join();
delete _gw.thread;
_gw.thread = NULL;
}
if (!VideoDriver::GetInstance()->HasGUI() || !ThreadObject::New(&_GenerateWorld, NULL, &_gw.thread, "ottd:genworld")) {
DEBUG(misc, 1, "Cannot create genworld thread, reverting to single-threaded mode");
_gw.threaded = false;
_modal_progress_work_mutex->EndCritical();
_GenerateWorld(NULL);
_modal_progress_work_mutex->BeginCritical();
return;
}
UnshowCriticalError();
/* Remove any open window */
DeleteAllNonVitalWindows();
/* Hide vital windows, because we don't allow to use them */
HideVitalWindows();
/* Don't show the dialog if we don't have a thread */
ShowGenerateWorldProgress();
/* Centre the view on the map */
if (FindWindowById(WC_MAIN_WINDOW, 0) != NULL) {
ScrollMainWindowToTile(TileXY(MapSizeX() / 2, MapSizeY() / 2), true);
}
}
/**
* State controlling game loop.
* The state must not be changed from anywhere but here.
* That check is enforced in DoCommand.
*/
void StateGameLoop()
{
/* dont execute the state loop during pause */
if (_pause_mode != PM_UNPAUSED) {
UpdateLandscapingLimits();
Game::GameLoop();
CallWindowTickEvent();
return;
}
if (HasModalProgress()) return;
ClearStorageChanges(false);
if (_game_mode == GM_EDITOR) {
RunTileLoop();
CallVehicleTicks();
CallLandscapeTick();
ClearStorageChanges(true);
UpdateLandscapingLimits();
CallWindowTickEvent();
NewsLoop();
} else {
if (_debug_desync_level > 2 && _date_fract == 0 && (_date & 0x1F) == 0) {
/* Save the desync savegame if needed. */
char name[MAX_PATH];
snprintf(name, lengthof(name), "dmp_cmds_%08x_%08x.sav", _settings_game.game_creation.generation_seed, _date);
SaveOrLoad(name, SL_SAVE, AUTOSAVE_DIR, false);
}
CheckCaches();
/* All these actions has to be done from OWNER_NONE
* for multiplayer compatibility */
Backup<CompanyByte> cur_company(_current_company, OWNER_NONE, FILE_LINE);
AnimateAnimatedTiles();
IncreaseDate();
RunTileLoop();
CallVehicleTicks();
CallLandscapeTick();
ClearStorageChanges(true);
AI::GameLoop();
Game::GameLoop();
UpdateLandscapingLimits();
CallWindowTickEvent();
NewsLoop();
cur_company.Restore();
}
assert(IsLocalCompany());
}
void VideoDriver_SDL::MainLoop()
{
uint32 cur_ticks = SDL_CALL SDL_GetTicks();
uint32 last_cur_ticks = cur_ticks;
uint32 next_tick = cur_ticks + MILLISECONDS_PER_TICK;
uint32 mod;
int numkeys;
Uint8 *keys;
CheckPaletteAnim();
if (_draw_threaded) {
/* Initialise the mutex first, because that's the thing we *need*
* directly in the newly created thread. */
_draw_mutex = ThreadMutex::New();
if (_draw_mutex == NULL) {
_draw_threaded = false;
} else {
_draw_mutex->BeginCritical();
_draw_continue = true;
_draw_threaded = ThreadObject::New(&DrawSurfaceToScreenThread, NULL, &_draw_thread);
/* Free the mutex if we won't be able to use it. */
if (!_draw_threaded) {
_draw_mutex->EndCritical();
delete _draw_mutex;
_draw_mutex = NULL;
} else {
/* Wait till the draw mutex has started itself. */
_draw_mutex->WaitForSignal();
}
}
}
DEBUG(driver, 1, "SDL: using %sthreads", _draw_threaded ? "" : "no ");
for (;;) {
uint32 prev_cur_ticks = cur_ticks; // to check for wrapping
InteractiveRandom(); // randomness
while (PollEvent() == -1) {}
if (_exit_game) break;
mod = SDL_CALL SDL_GetModState();
#if SDL_VERSION_ATLEAST(1, 3, 0)
keys = SDL_CALL SDL_GetKeyboardState(&numkeys);
#else
keys = SDL_CALL SDL_GetKeyState(&numkeys);
#endif
#if defined(_DEBUG)
if (_shift_pressed)
#else
/* Speedup when pressing tab, except when using ALT+TAB
* to switch to another application */
#if SDL_VERSION_ATLEAST(1, 3, 0)
if (keys[SDL_SCANCODE_TAB] && (mod & KMOD_ALT) == 0)
#else
if (keys[SDLK_TAB] && (mod & KMOD_ALT) == 0)
#endif /* SDL_VERSION_ATLEAST(1, 3, 0) */
#endif /* defined(_DEBUG) */
{
if (!_networking && _game_mode != GM_MENU) _fast_forward |= 2;
} else if (_fast_forward & 2) {
_fast_forward = 0;
}
cur_ticks = SDL_CALL SDL_GetTicks();
if (cur_ticks >= next_tick || (_fast_forward && !_pause_mode) || cur_ticks < prev_cur_ticks) {
_realtime_tick += cur_ticks - last_cur_ticks;
last_cur_ticks = cur_ticks;
next_tick = cur_ticks + MILLISECONDS_PER_TICK;
bool old_ctrl_pressed = _ctrl_pressed;
_ctrl_pressed = !!(mod & KMOD_CTRL);
_shift_pressed = !!(mod & KMOD_SHIFT);
/* determine which directional keys are down */
_dirkeys =
#if SDL_VERSION_ATLEAST(1, 3, 0)
(keys[SDL_SCANCODE_LEFT] ? 1 : 0) |
(keys[SDL_SCANCODE_UP] ? 2 : 0) |
(keys[SDL_SCANCODE_RIGHT] ? 4 : 0) |
(keys[SDL_SCANCODE_DOWN] ? 8 : 0);
#else
(keys[SDLK_LEFT] ? 1 : 0) |
(keys[SDLK_UP] ? 2 : 0) |
(keys[SDLK_RIGHT] ? 4 : 0) |
(keys[SDLK_DOWN] ? 8 : 0);
#endif
if (old_ctrl_pressed != _ctrl_pressed) HandleCtrlChanged();
/* The gameloop is the part that can run asynchronously. The rest
* except sleeping can't. */
if (_draw_mutex != NULL) _draw_mutex->EndCritical();
GameLoop();
if (_draw_mutex != NULL) _draw_mutex->BeginCritical();
UpdateWindows();
_local_palette = _cur_palette;
} else {
/* Release the thread while sleeping */
if (_draw_mutex != NULL) _draw_mutex->EndCritical();
CSleep(1);
if (_draw_mutex != NULL) _draw_mutex->BeginCritical();
NetworkDrawChatMessage();
DrawMouseCursor();
}
/* End of the critical part. */
if (_draw_mutex != NULL && !HasModalProgress()) {
_draw_mutex->SendSignal();
} else {
/* Oh, we didn't have threads, then just draw unthreaded */
CheckPaletteAnim();
DrawSurfaceToScreen();
}
}
if (_draw_mutex != NULL) {
_draw_continue = false;
/* Sending signal if there is no thread blocked
* is very valid and results in noop */
_draw_mutex->SendSignal();
_draw_mutex->EndCritical();
_draw_thread->Join();
delete _draw_mutex;
delete _draw_thread;
_draw_mutex = NULL;
_draw_thread = NULL;
}
}
virtual EventState OnHotkey(int hotkey)
{
if (hotkey == GHK_QUIT) {
HandleExitGameRequest();
return ES_HANDLED;
}
/* Disable all key shortcuts, except quit shortcuts when
* generating the world, otherwise they create threading
* problem during the generating, resulting in random
* assertions that are hard to trigger and debug */
if (HasModalProgress()) return ES_NOT_HANDLED;
switch (hotkey) {
case GHK_ABANDON:
/* No point returning from the main menu to itself */
if (_game_mode == GM_MENU) return ES_HANDLED;
if (_settings_client.gui.autosave_on_exit) {
DoExitSave();
_switch_mode = SM_MENU;
} else {
AskExitToGameMenu();
}
return ES_HANDLED;
case GHK_CONSOLE:
IConsoleSwitch();
return ES_HANDLED;
case GHK_BOUNDING_BOXES:
ToggleBoundingBoxes();
return ES_HANDLED;
case GHK_DIRTY_BLOCKS:
ToggleDirtyBlocks();
return ES_HANDLED;
}
if (_game_mode == GM_MENU) return ES_NOT_HANDLED;
switch (hotkey) {
case GHK_CENTER:
case GHK_CENTER_ZOOM: {
Point pt = GetTileBelowCursor();
if (pt.x != -1) {
bool instant = (hotkey == GHK_CENTER_ZOOM && this->viewport->zoom != _settings_client.gui.zoom_min);
if (hotkey == GHK_CENTER_ZOOM) MaxZoomInOut(ZOOM_IN, this);
ScrollMainWindowTo(pt.x, pt.y, -1, instant);
}
break;
}
case GHK_RESET_OBJECT_TO_PLACE: ResetObjectToPlace(); ToolbarSelectLastTool(); break;
case GHK_DELETE_WINDOWS: DeleteNonVitalWindows(); break;
case GHK_DELETE_NONVITAL_WINDOWS: DeleteAllNonVitalWindows(); break;
case GHK_REFRESH_SCREEN: MarkWholeScreenDirty(); break;
case GHK_CRASH: // Crash the game
*(volatile byte *)0 = 0;
break;
case GHK_MONEY: // Gimme money
/* You can only cheat for money in single player. */
if (!_networking) DoCommandP(0, 10000000, 0, CMD_MONEY_CHEAT);
break;
case GHK_UPDATE_COORDS: // Update the coordinates of all station signs
UpdateAllVirtCoords();
break;
case GHK_TOGGLE_TRANSPARENCY:
case GHK_TOGGLE_TRANSPARENCY + 1:
case GHK_TOGGLE_TRANSPARENCY + 2:
case GHK_TOGGLE_TRANSPARENCY + 3:
case GHK_TOGGLE_TRANSPARENCY + 4:
case GHK_TOGGLE_TRANSPARENCY + 5:
case GHK_TOGGLE_TRANSPARENCY + 6:
case GHK_TOGGLE_TRANSPARENCY + 7:
case GHK_TOGGLE_TRANSPARENCY + 8:
/* Transparency toggle hot keys */
ToggleTransparency((TransparencyOption)(hotkey - GHK_TOGGLE_TRANSPARENCY));
MarkWholeScreenDirty();
break;
case GHK_TOGGLE_INVISIBILITY:
case GHK_TOGGLE_INVISIBILITY + 1:
case GHK_TOGGLE_INVISIBILITY + 2:
case GHK_TOGGLE_INVISIBILITY + 3:
case GHK_TOGGLE_INVISIBILITY + 4:
case GHK_TOGGLE_INVISIBILITY + 5:
case GHK_TOGGLE_INVISIBILITY + 6:
case GHK_TOGGLE_INVISIBILITY + 7:
/* Invisibility toggle hot keys */
ToggleInvisibilityWithTransparency((TransparencyOption)(hotkey - GHK_TOGGLE_INVISIBILITY));
MarkWholeScreenDirty();
break;
case GHK_TRANSPARENCY_TOOLBAR:
ShowTransparencyToolbar();
break;
case GHK_TRANSPARANCY:
ResetRestoreAllTransparency();
break;
#ifdef ENABLE_NETWORK
case GHK_CHAT: // smart chat; send to team if any, otherwise to all
if (_networking) {
const NetworkClientInfo *cio = NetworkClientInfo::GetByClientID(_network_own_client_id);
if (cio == NULL) break;
ShowNetworkChatQueryWindow(NetworkClientPreferTeamChat(cio) ? DESTTYPE_TEAM : DESTTYPE_BROADCAST, cio->client_playas);
}
break;
case GHK_CHAT_ALL: // send text message to all clients
if (_networking) ShowNetworkChatQueryWindow(DESTTYPE_BROADCAST, 0);
break;
case GHK_CHAT_COMPANY: // send text to all team mates
if (_networking) {
const NetworkClientInfo *cio = NetworkClientInfo::GetByClientID(_network_own_client_id);
if (cio == NULL) break;
ShowNetworkChatQueryWindow(DESTTYPE_TEAM, cio->client_playas);
}
break;
case GHK_CHAT_SERVER: // send text to the server
if (_networking && !_network_server) {
ShowNetworkChatQueryWindow(DESTTYPE_CLIENT, CLIENT_ID_SERVER);
}
break;
#endif
default: return ES_NOT_HANDLED;
}
return ES_HANDLED;
}
void GameLoop()
{
if (_game_mode == GM_BOOTSTRAP) {
#ifdef ENABLE_NETWORK
/* Check for UDP stuff */
if (_network_available) NetworkBackgroundLoop();
#endif
InputLoop();
return;
}
ProcessAsyncSaveFinish();
/* autosave game? */
if (_do_autosave) {
DoAutosave();
_do_autosave = false;
SetWindowDirty(WC_STATUS_BAR, 0);
}
/* switch game mode? */
if (_switch_mode != SM_NONE && !HasModalProgress()) {
SwitchToMode(_switch_mode);
_switch_mode = SM_NONE;
}
IncreaseSpriteLRU();
InteractiveRandom();
extern int _caret_timer;
_caret_timer += 3;
CursorTick();
#ifdef ENABLE_NETWORK
/* Check for UDP stuff */
if (_network_available) NetworkBackgroundLoop();
if (_networking && !HasModalProgress()) {
/* Multiplayer */
NetworkGameLoop();
} else {
if (_network_reconnect > 0 && --_network_reconnect == 0) {
/* This means that we want to reconnect to the last host
* We do this here, because it means that the network is really closed */
NetworkClientConnectGame(NetworkAddress(_settings_client.network.last_host, _settings_client.network.last_port), COMPANY_SPECTATOR);
}
/* Singleplayer */
StateGameLoop();
}
/* Check chat messages roughly once a second. */
static uint check_message = 0;
if (++check_message > 1000 / MILLISECONDS_PER_TICK) {
check_message = 0;
NetworkChatMessageLoop();
}
#else
StateGameLoop();
#endif /* ENABLE_NETWORK */
if (!_pause_mode && HasBit(_display_opt, DO_FULL_ANIMATION)) DoPaletteAnimations();
if (!_pause_mode || _game_mode == GM_EDITOR || _settings_game.construction.command_pause_level > CMDPL_NO_CONSTRUCTION) MoveAllTextEffects();
InputLoop();
SoundDriver::GetInstance()->MainLoop();
MusicLoop();
}
