cpp/openttd-patchpack/source Changeset - r15386:717f25b0b15f

Changeset - r15386:717f25b0b15f

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rubidium - 14 years ago 2010-06-30 21:38:51
rubidium@openttd.org

(svn r20039) -Fix [FS#3907]: instead of loading the intro game when loading a savegame fails on the dedicated server, generate a new game.
Generating a new game is the least bad solution:
* loading the intro game: desyncs due to GM_MENU on the server and GM_NORMAL on the clients, NewGRFs not being loaded on the server but being loaded on the client;
* creating an empty map: OpenTTD will go crazy due to missing towns. Also clients can't properly join because of the missing towns;
* loading the last saved game: doesn't always exist and loading it might fail causing an infinite loop;
* stopping being a server: breaks the dedicated server horribly; if you loaded the game via rcon you can't connect with it anymore as you can't join the server;
* generating a new game: should always succeed, although people might think a scenario loaded fine because there are no companies and such.

1 file changed with 14 insertions and 3 deletions:

src/openttd.cpp

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src/openttd.cpp

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@@ @@ -872,6 +872,18 @@ bool SafeSaveOrLoad(const char *filename @@
 		case SL_OK: return true;
 		case SL_REINIT:
 			if (_network_dedicated) {
 				/*
 				 * We need to reinit a network map...
 				 * We can't simply load the intro game here as that game has many
 				 * special cases which make clients desync immediately. So we fall
 				 * back to just generating a new game with the current settings.
 				 */
 				DEBUG(net, 0, "Loading game failed, so a new (random) game will be started!");
 				MakeNewGame(false, true);
 				return false;
+			}
 			switch (ogm) {
 				default:
 				case GM_MENU:   LoadIntroGame();      break;
@@ @@ -911,10 +923,10 @@ static void StartScenario() @@
 	ResetGRFConfig(true);
 	/* Load game */
 	if (SaveOrLoad(_file_to_saveload.name, _file_to_saveload.mode, SCENARIO_DIR) != SL_OK) {
 		LoadIntroGame();
 	if (!SafeSaveOrLoad(_file_to_saveload.name, _file_to_saveload.mode, GM_NORMAL, SCENARIO_DIR)) {
 		SetDParamStr(0, GetSaveLoadErrorString());
 		ShowErrorMessage(STR_JUST_RAW_STRING, INVALID_STRING_ID, WL_ERROR);
 		return;
+	}
 	_settings_game.difficulty = _settings_newgame.difficulty;
@@ @@ -996,7 +1008,6 @@ void SwitchToMode(SwitchMode new_mode) @@
 			ResetWindowSystem();
 			if (!SafeSaveOrLoad(_file_to_saveload.name, _file_to_saveload.mode, GM_NORMAL, NO_DIRECTORY)) {
 				LoadIntroGame();
 				SetDParamStr(0, GetSaveLoadErrorString());
 				ShowErrorMessage(STR_JUST_RAW_STRING, INVALID_STRING_ID, WL_ERROR);
 			} else {

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