Revert "- Tidy up autosaving for all the games."

This reverts commit 10445635cf.

Contrary to what the reverted commit states, it is absolutely essential to have this delay. Duke and Blood initialize a lot of things in their first tick that are necessary before the world is stable to save.

source/core/mainloop.cpp

@@ -146,9 +146,11 @@ void G_BuildTiccmd(ticcmd_t* cmd)
 //
 //
 //==========================================================================
+bool newGameStarted;
 
 void NewGame(MapRecord* map, int skill, bool ns = false)
 {
+	newGameStarted = true;
 	ShowIntermission(nullptr, map, nullptr, [=](bool) { 
 		gi->NewGame(map, skill, ns); 
 		gameaction = ga_level;
@@ -203,7 +205,6 @@ static void GameTicker()
 			gameaction = ga_level;
 			gi->NextLevel(g_nextmap, g_nextskill);
 			ResetStatusBar();
-			M_Autosave();
 			break;
 
 		case ga_newgame:
@@ -258,6 +259,11 @@ static void GameTicker()
 			G_DoLoadGame();
 			break;
 
+		case ga_autosave:
+			if (gamestate == GS_LEVEL && !newGameStarted) M_Autosave();
+			newGameStarted = false;
+			break;
+
 		case ga_level:
 			Net_ClearFifo();
 			inputState.ClearAllInput();

source/games/blood/src/blood.cpp

@@ -469,6 +469,7 @@ void GameInterface::Ticker()
 
 		gFrameCount++;
 		PlayClock += kTicsPerFrame;
+		if (PlayClock == 8) gameaction = ga_autosave;	// let the game run for 1 frame before saving.
 
 		for (int i = 0; i < 8; i++)
 		{

source/games/duke/src/gameloop.cpp

@@ -105,6 +105,7 @@ void GameInterface::Ticker()
 
 		r_NoInterpolate = false;
 		PlayClock+= 4;		// This must be at the end of this block so that the first tic receives a value of 0!
+		if (PlayClock == 8) gameaction = ga_autosave;	// let the game run for 1 frame before saving.
 
 	}
 	else r_NoInterpolate = true;

source/games/exhumed/src/exhumed.cpp

@@ -334,6 +334,7 @@ void GameInterface::Ticker()
         GameMove();
 
         PlayClock += 4;
+        if (PlayClock == 8) gameaction = ga_autosave;	// let the game run for 1 frame before saving.
         r_NoInterpolate = false;
     }
 	else
@@ -514,7 +515,7 @@ void EraseScreen(int nVal)
 
 bool GameInterface::CanSave()
 {
-    return !bRecord && !bPlayback && !bInDemo && nTotalPlayers == 1 && nFreeze == 0;
+    return gamestate == GS_LEVEL && !bRecord && !bPlayback && !bInDemo && nTotalPlayers == 1 && nFreeze == 0;
 }
 
 ::GameStats GameInterface::getStats()

source/games/sw/src/d_menu.cpp

@@ -86,7 +86,7 @@ void GameInterface::MenuSound(EMenuSounds snd)
 
 bool GameInterface::CanSave()
 {
-    return (!CommEnabled && numplayers ==1 && /*!DemoMode &&*/ !(Player[myconnectindex].Flags & PF_DEAD));
+    return (gamestate == GS_LEVEL && !CommEnabled && numplayers ==1 && /*!DemoMode &&*/ !(Player[myconnectindex].Flags & PF_DEAD));
 }
 
 //---------------------------------------------------------------------------

source/games/sw/src/player.cpp

@@ -6892,6 +6892,8 @@ void domovethings(void)
             return;
     }
 
+    if (PlayClock == synctics) gameaction = ga_autosave;	// let the game run for 1 frame before saving.
+
     thinktime.Reset();
     thinktime.Clock();