(svn r14464) -Codechange: replace (uint)-1 with UINT_MAX (PhilSophus)

22 files changed, 45 insertions, 45 deletions

diff --git a/src/ai/default/default.cpp b/src/ai/default/default.cpp
index 4b20500de..73c5336dc 100644
--- a/src/ai/default/default.cpp
+++ b/src/ai/default/default.cpp
@@ -2158,9 +2158,9 @@ static void AiBuildRailConstruct(Company *c)
 	arf.depth = 0;
 	arf.recursive_mode = 0;
 	arf.best_ptr = NULL;
-	arf.cur_best_dist = (uint)-1;
+	arf.cur_best_dist = UINT_MAX;
 	arf.cur_best_depth = 0xff;
-	arf.best_dist = (uint)-1;
+	arf.best_dist = UINT_MAX;
 	arf.best_depth = 0xff;
 	arf.cur_best_tile = 0;
 	arf.best_tile = 0;
@@ -2855,7 +2855,7 @@ static bool AiCheckRoadPathBetter(AiRoadFinder *arf, const byte *p)
 		}
 	}
 	arf->recursive_mode = 0;
-	arf->cur_best_dist = (uint)-1;
+	arf->cur_best_dist = UINT_MAX;
 	arf->cur_best_depth = 0xff;
 
 	return better;
@@ -2892,7 +2892,7 @@ static bool AiCheckRoadFinished(Company *c)
 	TrackdirBits bits = TrackStatusToTrackdirBits(GetTileTrackStatus(tile, TRANSPORT_ROAD, ROADTYPES_ROAD)) & DiagdirReachesTrackdirs(dir);
 	if (bits == TRACKDIR_BIT_NONE) return false;
 
-	are.best_dist = (uint)-1;
+	are.best_dist = UINT_MAX;
 
 	while (bits != TRACKDIR_BIT_NONE) {
 		Trackdir trackdir = RemoveFirstTrackdir(&bits);
@@ -3058,9 +3058,9 @@ static void AiBuildRoadConstruct(Company *c)
 	arf.depth = 0;
 	arf.recursive_mode = 0;
 	arf.best_ptr = NULL;
-	arf.cur_best_dist = (uint)-1;
+	arf.cur_best_dist = UINT_MAX;
 	arf.cur_best_depth = 0xff;
-	arf.best_dist = (uint)-1;
+	arf.best_dist = UINT_MAX;
 	arf.best_depth =  0xff;
 	arf.cur_best_tile = 0;
 	arf.best_tile = 0;
diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
index fba53f5d7..d8a4c73b5 100644
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -287,7 +287,7 @@ void GetNameOfOwner(Owner owner, TileIndex tile)
 			SetDParam(1, owner);
 		}
 	} else {
-		const Town *t = ClosestTownFromTile(tile, (uint)-1);
+		const Town *t = ClosestTownFromTile(tile, UINT_MAX);
 
 		SetDParam(0, STR_TOWN);
 		SetDParam(1, t->index);
@@ -333,7 +333,7 @@ static void GenerateCompanyName(Company *c)
 	tile = c->last_build_coordinate;
 	if (tile == 0) return;
 
-	t = ClosestTownFromTile(tile, (uint)-1);
+	t = ClosestTownFromTile(tile, UINT_MAX);
 
 	if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
 		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
index 3b9c8e1d4..0d95bf144 100644
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -602,7 +602,7 @@ static void DisasterTick_Big_Ufo(Vehicle *v)
 			}
 		}
 
-		t = ClosestTownFromTile(v->dest_tile, (uint)-1);
+		t = ClosestTownFromTile(v->dest_tile, UINT_MAX);
 		SetDParam(0, t->index);
 		AddNewsItem(STR_B004_UFO_LANDS_NEAR,
 			NS_ACCIDENT_TILE,
diff --git a/src/economy.cpp b/src/economy.cpp
index 8d068e71e..d56726618 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -993,7 +993,7 @@ static void FindSubsidyPassengerRoute(FoundRoute *fr)
 {
 	Town *from,*to;
 
-	fr->distance = (uint)-1;
+	fr->distance = UINT_MAX;
 
 	fr->from = from = GetRandomTown();
 	if (from == NULL || from->population < 400) return;
@@ -1011,7 +1011,7 @@ static void FindSubsidyCargoRoute(FoundRoute *fr)
 	int trans, total;
 	CargoID cargo;
 
-	fr->distance = (uint)-1;
+	fr->distance = UINT_MAX;
 
 	fr->from = i = GetRandomIndustry();
 	if (i == NULL) return;
diff --git a/src/genworld.h b/src/genworld.h
index 8bc476dbc..520657862 100644
--- a/src/genworld.h
+++ b/src/genworld.h
@@ -15,7 +15,7 @@ enum {
 	LG_ORIGINAL     = 0,  ///< The original landscape generator
 	LG_TERRAGENESIS = 1,  ///< TerraGenesis Perlin landscape generator
 
-	GENERATE_NEW_SEED = (uint)-1, ///< Create a new random seed
+	GENERATE_NEW_SEED = UINT_MAX, ///< Create a new random seed
 };
 
 /* Modes for GenerateWorld */
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index 59f3cc02a..b5473de42 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -1190,7 +1190,7 @@ static const Town *CheckMultipleIndustryInTown(TileIndex tile, int type)
 	const Town *t;
 	const Industry *i;
 
-	t = ClosestTownFromTile(tile, (uint)-1);
+	t = ClosestTownFromTile(tile, UINT_MAX);
 
 	if (_settings_game.economy.multiple_industry_per_town) return t;
 
diff --git a/src/newgrf_industries.cpp b/src/newgrf_industries.cpp
index ebcf20ecb..9e40f2f28 100644
--- a/src/newgrf_industries.cpp
+++ b/src/newgrf_industries.cpp
@@ -512,7 +512,7 @@ bool CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint itspe
 	ind.width = 0;
 	ind.type = type;
 	ind.selected_layout = itspec_index;
-	ind.town = ClosestTownFromTile(tile, (uint)-1);
+	ind.town = ClosestTownFromTile(tile, UINT_MAX);
 
 	NewIndustryResolver(&object, tile, &ind, type);
 	object.GetVariable = IndustryLocationGetVariable;
diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp
index 50d59f173..3ca228889 100644
--- a/src/newgrf_industrytiles.cpp
+++ b/src/newgrf_industrytiles.cpp
@@ -79,7 +79,7 @@ static uint32 IndustryTileGetVariable(const ResolverObject *object, byte variabl
 		case 0x41 : return GetTerrainType(tile);
 
 		/* Current town zone of the tile in the nearest town */
-		case 0x42 : return GetTownRadiusGroup(ClosestTownFromTile(tile, (uint)-1), tile);
+		case 0x42 : return GetTownRadiusGroup(ClosestTownFromTile(tile, UINT_MAX), tile);
 
 		/* Relative position */
 		case 0x43 : return GetRelativePosition(tile, inds->xy);
diff --git a/src/npf.cpp b/src/npf.cpp
index 7721ceebf..440c1cf49 100644
--- a/src/npf.cpp
+++ b/src/npf.cpp
@@ -910,8 +910,8 @@ static NPFFoundTargetData NPFRouteInternal(AyStarNode* start1, bool ignore_start
 	}
 
 	/* Initialize result */
-	result.best_bird_dist = (uint)-1;
-	result.best_path_dist = (uint)-1;
+	result.best_bird_dist = UINT_MAX;
+	result.best_path_dist = UINT_MAX;
 	result.best_trackdir  = INVALID_TRACKDIR;
 	result.node.tile      = INVALID_TILE;
 	result.res_okay       = false;
@@ -1000,7 +1000,7 @@ NPFFoundTargetData NPFRouteToDepotTrialError(TileIndex tile, Trackdir trackdir,
 	 */
 	Queue depots;
 	int r;
-	NPFFoundTargetData best_result = {(uint)-1, (uint)-1, INVALID_TRACKDIR, {INVALID_TILE, 0, {0, 0}}, false};
+	NPFFoundTargetData best_result = {UINT_MAX, UINT_MAX, INVALID_TRACKDIR, {INVALID_TILE, 0, {0, 0}}, false};
 	NPFFoundTargetData result;
 	NPFFindStationOrTileData target;
 	AyStarNode start;
@@ -1046,8 +1046,8 @@ NPFFoundTargetData NPFRouteToDepotTrialError(TileIndex tile, Trackdir trackdir,
 
 	/* Initialize Result */
 	_npf_aystar.user_path = &result;
-	best_result.best_path_dist = (uint)-1;
-	best_result.best_bird_dist = (uint)-1;
+	best_result.best_path_dist = UINT_MAX;
+	best_result.best_bird_dist = UINT_MAX;
 
 	/* Just iterate the depots in order of increasing distance */
 	while ((current = (Depot*)depots.pop(&depots))) {
@@ -1067,8 +1067,8 @@ NPFFoundTargetData NPFRouteToDepotTrialError(TileIndex tile, Trackdir trackdir,
 		_npf_aystar.addstart(&_npf_aystar, &start, 0);
 
 		/* Initialize result */
-		result.best_bird_dist = (uint)-1;
-		result.best_path_dist = (uint)-1;
+		result.best_bird_dist = UINT_MAX;
+		result.best_path_dist = UINT_MAX;
 		result.best_trackdir = INVALID_TRACKDIR;
 
 		/* Initialize target */
diff --git a/src/npf.h b/src/npf.h
index 7bfe226a4..5ea635f84 100644
--- a/src/npf.h
+++ b/src/npf.h
@@ -78,7 +78,7 @@ enum NPFNodeFlag {
 /* Meant to be stored in AyStar.userpath */
 struct NPFFoundTargetData {
 	uint best_bird_dist;    ///< The best heuristic found. Is 0 if the target was found
-	uint best_path_dist;    ///< The shortest path. Is (uint)-1 if no path is found
+	uint best_path_dist;    ///< The shortest path. Is UINT_MAX if no path is found
 	Trackdir best_trackdir; ///< The trackdir that leads to the shortest path/closest birds dist
 	AyStarNode node;        ///< The node within the target the search led us to
 	bool res_okay;          ///< True if a path reservation could be made
diff --git a/src/openttd.cpp b/src/openttd.cpp
index 9d1517474..acccefb26 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -1431,7 +1431,7 @@ bool AfterLoadGame()
 	AfterLoadTown();
 
 	/* make sure there is a town in the game */
-	if (_game_mode == GM_NORMAL && !ClosestTownFromTile(0, (uint)-1)) {
+	if (_game_mode == GM_NORMAL && !ClosestTownFromTile(0, UINT_MAX)) {
 		SetSaveLoadError(STR_NO_TOWN_IN_SCENARIO);
 		return false;
 	}
@@ -1561,13 +1561,13 @@ bool AfterLoadGame()
 			switch (GetTileType(t)) {
 				case MP_HOUSE:
 					_m[t].m4 = _m[t].m2;
-					SetTownIndex(t, CalcClosestTownFromTile(t, (uint)-1)->index);
+					SetTownIndex(t, CalcClosestTownFromTile(t, UINT_MAX)->index);
 					break;
 
 				case MP_ROAD:
 					_m[t].m4 |= (_m[t].m2 << 4);
 					if ((GB(_m[t].m5, 4, 2) == ROAD_TILE_CROSSING ? (Owner)_m[t].m3 : GetTileOwner(t)) == OWNER_TOWN) {
-						SetTownIndex(t, CalcClosestTownFromTile(t, (uint)-1)->index);
+						SetTownIndex(t, CalcClosestTownFromTile(t, UINT_MAX)->index);
 					} else {
 						SetTownIndex(t, 0);
 					}
@@ -1694,7 +1694,7 @@ bool AfterLoadGame()
 								GetRailType(t)
 							);
 						} else {
-							TownID town = IsTileOwner(t, OWNER_TOWN) ? ClosestTownFromTile(t, (uint)-1)->index : 0;
+							TownID town = IsTileOwner(t, OWNER_TOWN) ? ClosestTownFromTile(t, UINT_MAX)->index : 0;
 
 							MakeRoadNormal(
 								t,
@@ -2142,7 +2142,7 @@ bool AfterLoadGame()
 	if (CheckSavegameVersion(52)) {
 		for (TileIndex t = 0; t < map_size; t++) {
 			if (IsStatueTile(t)) {
-				_m[t].m2 = CalcClosestTownFromTile(t, (uint)-1)->index;
+				_m[t].m2 = CalcClosestTownFromTile(t, UINT_MAX)->index;
 			}
 		}
 	}
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index bc1066c91..f08a613a4 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -809,7 +809,7 @@ CommandCost CmdBuildTrainDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p
 		MakeRailDepot(tile, _current_company, dir, (RailType)p1);
 		MarkTileDirtyByTile(tile);
 
-		d->town_index = ClosestTownFromTile(tile, (uint)-1)->index;
+		d->town_index = ClosestTownFromTile(tile, UINT_MAX)->index;
 
 		AddSideToSignalBuffer(tile, INVALID_DIAGDIR, _current_company);
 		YapfNotifyTrackLayoutChange(tile, DiagDirToDiagTrack(dir));
@@ -968,7 +968,7 @@ CommandCost CmdBuildSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32
 		if (IsPbsSignal(sigtype)) {
 			/* PBS signals should show red unless they are on a reservation. */
 			uint mask = GetPresentSignals(tile) & SignalOnTrack(track);
-			SetSignalStates(tile, (GetSignalStates(tile) & ~mask) | ((HasBit(GetTrackReservation(tile), track) ? (uint)-1 : 0) & mask));
+			SetSignalStates(tile, (GetSignalStates(tile) & ~mask) | ((HasBit(GetTrackReservation(tile), track) ? UINT_MAX : 0) & mask));
 		}
 		MarkTileDirtyByTile(tile);
 		AddTrackToSignalBuffer(tile, track, _current_company);
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index d6c2ef91e..082a6e953 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -881,7 +881,7 @@ CommandCost CmdBuildRoadDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2
 
 	if (flags & DC_EXEC) {
 		Depot *dep = new Depot(tile);
-		dep->town_index = ClosestTownFromTile(tile, (uint)-1)->index;
+		dep->town_index = ClosestTownFromTile(tile, UINT_MAX)->index;
 
 		MakeRoadDepot(tile, _current_company, dir, rt);
 		MarkTileDirtyByTile(tile);
@@ -1331,7 +1331,7 @@ static void TileLoop_Road(TileIndex tile)
 
 	if (IsRoadDepot(tile)) return;
 
-	const Town *t = ClosestTownFromTile(tile, (uint)-1);
+	const Town *t = ClosestTownFromTile(tile, UINT_MAX);
 	if (!HasRoadWorks(tile)) {
 		HouseZonesBits grp = HZB_TOWN_EDGE;
 
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
index 7928d1519..bb3b8f83d 100644
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -409,8 +409,8 @@ static uint FindShipTrack(Vehicle *v, TileIndex tile, DiagDirection dir, TrackBi
 	do {
 		i = RemoveFirstTrack(&bits);
 
-		pfs.best_bird_dist = (uint)-1;
-		pfs.best_length = (uint)-1;
+		pfs.best_bird_dist = UINT_MAX;
+		pfs.best_length = UINT_MAX;
 
 		FollowTrack(tile, PATHFIND_FLAGS_SHIP_MODE | PATHFIND_FLAGS_DISABLE_TILE_HASH, TRANSPORT_WATER, 0, (DiagDirection)_ship_search_directions[i][dir], (TPFEnumProc*)ShipTrackFollower, NULL, &pfs);
 
diff --git a/src/spritecache.cpp b/src/spritecache.cpp
index 5d141cce3..4de7e076b 100644
--- a/src/spritecache.cpp
+++ b/src/spritecache.cpp
@@ -425,7 +425,7 @@ static void DeleteEntryFromSpriteCache()
 
 	/* Display an error message and die, in case we found no sprite at all.
 	 * This shouldn't really happen, unless all sprites are locked. */
-	if (best == (uint)-1) error("Out of sprite memory");
+	if (best == UINT_MAX) error("Out of sprite memory");
 
 	/* Mark the block as free (the block must be in use) */
 	s = (MemBlock*)GetSpriteCache(best)->ptr - 1;
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index ccad4c0c4..57abf80fd 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -95,7 +95,7 @@ Town::~Town()
 			case MP_ROAD:
 			case MP_TUNNELBRIDGE:
 				if (IsTileOwner(tile, OWNER_TOWN) &&
-						ClosestTownFromTile(tile, (uint)-1) == this)
+						ClosestTownFromTile(tile, UINT_MAX) == this)
 					DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
 				break;
 
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index 69a56ab40..3028ad366 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -2205,7 +2205,7 @@ static TrainFindDepotData FindClosestTrainDepot(Vehicle *v, int max_distance)
 bool Train::FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse)
 {
 	TrainFindDepotData tfdd = FindClosestTrainDepot(this, 0);
-	if (tfdd.best_length == (uint)-1) return false;
+	if (tfdd.best_length == UINT_MAX) return false;
 
 	if (location    != NULL) *location    = tfdd.tile;
 	if (destination != NULL) *destination = GetDepotByTile(tfdd.tile)->index;
@@ -4376,7 +4376,7 @@ static void CheckIfTrainNeedsService(Vehicle *v)
 
 	TrainFindDepotData tfdd = FindClosestTrainDepot(v, MAX_ACCEPTABLE_DEPOT_DIST);
 	/* Only go to the depot if it is not too far out of our way. */
-	if (tfdd.best_length == (uint)-1 || tfdd.best_length > MAX_ACCEPTABLE_DEPOT_DIST) {
+	if (tfdd.best_length == UINT_MAX || tfdd.best_length > MAX_ACCEPTABLE_DEPOT_DIST) {
 		if (v->current_order.IsType(OT_GOTO_DEPOT)) {
 			/* If we were already heading for a depot but it has
 			 * suddenly moved farther away, we continue our normal
diff --git a/src/tree_cmd.cpp b/src/tree_cmd.cpp
index 0a728dd3f..bedd9573a 100644
--- a/src/tree_cmd.cpp
+++ b/src/tree_cmd.cpp
@@ -333,7 +333,7 @@ CommandCost CmdPlantTree(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 
 	if (p2 >= MapSize()) return CMD_ERROR;
 	/* Check the tree type. It can be random or some valid value within the current climate */
-	if (p1 != (uint)-1 && p1 - _tree_base_by_landscape[_settings_game.game_creation.landscape] >= _tree_count_by_landscape[_settings_game.game_creation.landscape]) return CMD_ERROR;
+	if (p1 != UINT_MAX && p1 - _tree_base_by_landscape[_settings_game.game_creation.landscape] >= _tree_count_by_landscape[_settings_game.game_creation.landscape]) return CMD_ERROR;
 
 	// make sure sx,sy are smaller than ex,ey
 	ex = TileX(tile);
diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp
index bda65becd..70ecf12ca 100644
--- a/src/tunnelbridge_cmd.cpp
+++ b/src/tunnelbridge_cmd.cpp
@@ -610,7 +610,7 @@ static CommandCost DoClearTunnel(TileIndex tile, uint32 flags)
 	_build_tunnel_endtile = endtile;
 
 	if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
-		t = ClosestTownFromTile(tile, (uint)-1); // town penalty rating
+		t = ClosestTownFromTile(tile, UINT_MAX); // town penalty rating
 
 		/* Check if you are allowed to remove the tunnel owned by a town
 		 * Removal depends on difficulty settings */
@@ -676,7 +676,7 @@ static CommandCost DoClearBridge(TileIndex tile, uint32 flags)
 	delta = TileOffsByDiagDir(direction);
 
 	if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
-		t = ClosestTownFromTile(tile, (uint)-1); // town penalty rating
+		t = ClosestTownFromTile(tile, UINT_MAX); // town penalty rating
 
 		/* Check if you are allowed to remove the bridge owned by a town
 		 * Removal depends on difficulty settings */
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 8813c8939..0da7e16b6 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -970,7 +970,7 @@ void ViewportAddVehicles(DrawPixelInfo *dpi)
 Vehicle *CheckClickOnVehicle(const ViewPort *vp, int x, int y)
 {
 	Vehicle *found = NULL, *v;
-	uint dist, best_dist = (uint)-1;
+	uint dist, best_dist = UINT_MAX;
 
 	if ((uint)(x -= vp->left) >= (uint)vp->width || (uint)(y -= vp->top) >= (uint)vp->height) return NULL;
 
diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
index fe7938384..d7542c55f 100644
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -222,7 +222,7 @@ CommandCost CmdBuildShipDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2
 
 	if (flags & DC_EXEC) {
 		Depot *depot = new Depot(tile);
-		depot->town_index = ClosestTownFromTile(tile, (uint)-1)->index;
+		depot->town_index = ClosestTownFromTile(tile, UINT_MAX)->index;
 
 		MakeShipDepot(tile,  _current_company, DEPOT_NORTH, axis, wc1);
 		MakeShipDepot(tile2, _current_company, DEPOT_SOUTH, axis, wc2);
diff --git a/src/waypoint.cpp b/src/waypoint.cpp
index 8d70518b5..cc606acec 100644
--- a/src/waypoint.cpp
+++ b/src/waypoint.cpp
@@ -85,7 +85,7 @@ static void MakeDefaultWaypointName(Waypoint* wp)
 	uint32 next = 0; // first waypoint number in the bitmap
 	WaypointID idx = 0; // index where we will stop
 
-	wp->town_index = ClosestTownFromTile(wp->xy, (uint)-1)->index;
+	wp->town_index = ClosestTownFromTile(wp->xy, UINT_MAX)->index;
 
 	/* Find first unused waypoint number belonging to this town. This can never fail,
 	 * as long as there can be at most 65535 waypoints in total.
@@ -472,7 +472,7 @@ void FixOldWaypoints()
 
 	/* Convert the old 'town_or_string', to 'string' / 'town' / 'town_cn' */
 	FOR_ALL_WAYPOINTS(wp) {
-		wp->town_index = ClosestTownFromTile(wp->xy, (uint)-1)->index;
+		wp->town_index = ClosestTownFromTile(wp->xy, UINT_MAX)->index;
 		wp->town_cn = 0;
 		if (wp->string & 0xC000) {
 			wp->town_cn = wp->string & 0x3F;