(svn r11525) -Fix: do not do all kinds of 'updates' for town, waypoint, station and other signs when you haven't converted the map to the 'current' format as that means you are going to read data in the 'old' format when you assume that it is in the 'current' format.

src/openttd.cpp

@@ -1312,16 +1312,10 @@ bool AfterLoadGame()
 	/* Update all waypoints */
 	if (CheckSavegameVersion(12)) FixOldWaypoints();
 
-	UpdateAllWaypointSigns();
-
 	/* in version 2.2 of the savegame, we have new airports */
 	if (CheckSavegameVersionOldStyle(2, 2)) UpdateOldAircraft();
 
-	UpdateAllStationVirtCoord();
-
-	/* Setup town coords */
 	AfterLoadTown();
-	UpdateAllSignVirtCoords();
 
 	/* make sure there is a town in the game */
 	if (_game_mode == GM_NORMAL && !ClosestTownFromTile(0, (uint)-1)) {
@@ -1815,19 +1809,6 @@ bool AfterLoadGame()
 
 	if (!CheckSavegameVersion(27)) AfterLoadStations();
 
-	{
-		/* Set up the engine count for all players */
-		Player *players[MAX_PLAYERS];
-		const Vehicle *v;
-
-		for (PlayerID i = PLAYER_FIRST; i < MAX_PLAYERS; i++) players[i] = GetPlayer(i);
-
-		FOR_ALL_VEHICLES(v) {
-			if (!IsEngineCountable(v)) continue;
-			players[v->owner]->num_engines[v->engine_type]++;
-		}
-	}
-
 	/* Time starts at 0 instead of 1920.
 	 * Account for this in older games by adding an offset */
 	if (CheckSavegameVersion(31)) {
@@ -2205,6 +2186,12 @@ bool AfterLoadGame()
 	DoZoomInOutWindow(ZOOM_NONE, w); // update button status
 	MarkWholeScreenDirty();
 
+	/* Update coordinates of the signs. */
+	UpdateAllStationVirtCoord();
+	UpdateAllSignVirtCoords();
+	UpdateAllTownVirtCoords();
+	UpdateAllWaypointSigns();
+
 	/* Recalculate */
 	Group *g;
 	FOR_ALL_GROUPS(g) {
@@ -2218,6 +2205,17 @@ bool AfterLoadGame()
 		}
 	}
 
+	/* Set up the engine count for all players */
+	Player *players[MAX_PLAYERS];
+	const Vehicle *v;
+
+	for (PlayerID i = PLAYER_FIRST; i < MAX_PLAYERS; i++) players[i] = GetPlayer(i);
+
+	FOR_ALL_VEHICLES(v) {
+		if (!IsEngineCountable(v)) continue;
+		players[v->owner]->num_engines[v->engine_type]++;
+	}
+
 	return true;
 }
 

src/town.h

@@ -207,6 +207,7 @@ VARDEF HouseSpec _house_specs[HOUSE_MAX];
 uint32 GetWorldPopulation();
 
 void UpdateTownVirtCoord(Town *t);
+void UpdateAllTownVirtCoords();
 void InitializeTown();
 void ShowTownViewWindow(TownID town);
 void ExpandTown(Town *t);

src/town_cmd.cpp

@@ -311,6 +311,15 @@ void UpdateTownVirtCoord(Town *t)
 	MarkTownSignDirty(t);
 }
 
+/** Update the virtual coords needed to draw the town sign for all towns. */
+void UpdateAllTownVirtCoords()
+{
+	Town *t;
+	FOR_ALL_TOWNS(t) {
+		UpdateTownVirtCoord(t);
+	}
+}
+
 /**
  * Change the towns population
  * @param t Town which polulation has changed
@@ -2521,7 +2530,6 @@ void AfterLoadTown()
 	Town *t;
 	FOR_ALL_TOWNS(t) {
 		UpdateTownRadius(t);
-		UpdateTownVirtCoord(t);
 	}
 	_town_sort_dirty = true;
 }