From 91152b925e7f1ccbb3b7bcecf814118c06c0d2b6 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Sun, 25 Nov 2007 20:20:16 +0000
Subject: (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  | 36 +++++++++++++++++-------------------
 src/town.h       |  1 +
 src/town_cmd.cpp | 10 +++++++++-
 3 files changed, 27 insertions(+), 20 deletions(-)

(limited to 'src')

diff --git a/src/openttd.cpp b/src/openttd.cpp
index 156f563f3..e877b08b2 100644
--- a/src/openttd.cpp
+++ b/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;
 }
 
diff --git a/src/town.h b/src/town.h
index 7f196ccbf..d59c6c03e 100644
--- a/src/town.h
+++ b/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);
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 71568d430..6dcac49d4 100644
--- a/src/town_cmd.cpp
+++ b/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;
 }
-- 
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