mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r5624) Use {IsPlainRailTile,IsRailDepot,IsRailWaypoint,HasSignals}() instead of GetRailTile{T,Subt}ype() - this is more concise and a bit more flexible if/when the rail tile encoding changes
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b0d5005cad
commit
2bb9fd3901
2
elrail.c
2
elrail.c
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@ -361,7 +361,7 @@ void DrawCatenary(const TileInfo *ti)
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{
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switch (GetTileType(ti->tile)) {
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case MP_RAILWAY:
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if (GetRailTileType(ti->tile) == RAIL_TILE_DEPOT_WAYPOINT && GetRailTileSubtype(ti->tile) == RAIL_SUBTYPE_DEPOT) {
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if (IsRailDepot(ti->tile)) {
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const SortableSpriteStruct *sss = &CatenarySpriteData[WIRE_DEPOT_SW + ReverseDiagDir(GetRailDepotDirection(ti->tile))];
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AddSortableSpriteToDraw( sss->image, ti->x + sss->x_offset, ti->y + sss->y_offset,
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sss->x_size, sss->y_size, sss->z_size, GetSlopeZ(ti->x, ti->y) + sss->z_offset);
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@ -253,8 +253,7 @@ static TileIndex FindRailStationEnd(TileIndex tile, TileIndexDiff delta, bool ch
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if (waypoint) {
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if (!IsTileType(new_tile, MP_RAILWAY)) break;
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if (GetRailTileType(new_tile) != RAIL_TILE_DEPOT_WAYPOINT) break;
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if (GetRailTileSubtype(new_tile) != RAIL_SUBTYPE_WAYPOINT) break;
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if (!IsRailWaypoint(new_tile)) break;
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if (check_axis && GetWaypointAxis(new_tile) != orig_axis) break;
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} else {
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if (!IsRailwayStationTile(new_tile)) break;
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@ -200,8 +200,7 @@ static Order GetOrderCmdFromTile(const Vehicle *v, TileIndex tile)
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switch (GetTileType(tile)) {
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case MP_RAILWAY:
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if (v->type == VEH_Train && IsTileOwner(tile, _local_player)) {
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if (GetRailTileType(tile) == RAIL_TILE_DEPOT_WAYPOINT &&
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GetRailTileSubtype(tile) == RAIL_SUBTYPE_DEPOT) {
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if (IsRailDepot(tile)) {
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order.type = OT_GOTO_DEPOT;
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order.flags = OF_PART_OF_ORDERS;
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order.station = GetDepotByTile(tile)->index;
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50
rail_cmd.c
50
rail_cmd.c
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@ -73,13 +73,11 @@ void ShowTrainDepotWindow(TileIndex tile);
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static bool CheckTrackCombination(TileIndex tile, TrackBits to_build, uint flags)
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{
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RailTileType type = GetRailTileType(tile);
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TrackBits current; /* The current track layout */
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TrackBits future; /* The track layout we want to build */
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_error_message = STR_1001_IMPOSSIBLE_TRACK_COMBINATION;
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if (type != RAIL_TILE_NORMAL && type != RAIL_TILE_SIGNALS)
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return false; /* Cannot build anything on depots and checkpoints */
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if (!IsPlainRailTile(tile)) return false;
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/* So, we have a tile with tracks on it (and possibly signals). Let's see
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* what tracks first */
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@ -94,7 +92,7 @@ static bool CheckTrackCombination(TileIndex tile, TrackBits to_build, uint flags
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}
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/* Let's see if we may build this */
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if ((flags & DC_NO_RAIL_OVERLAP) || type == RAIL_TILE_SIGNALS) {
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if (flags & DC_NO_RAIL_OVERLAP || HasSignals(tile)) {
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/* If we are not allowed to overlap (flag is on for ai players or we have
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* signals on the tile), check that */
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return future == TRACK_BIT_HORZ || future == TRACK_BIT_VERT;
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@ -670,7 +668,7 @@ int32 CmdBuildSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
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}
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if (flags & DC_EXEC) {
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if (GetRailTileType(tile) != RAIL_TILE_SIGNALS) {
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if (!HasSignals(tile)) {
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// there are no signals at all on this tile yet
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_m[tile].m5 |= RAIL_TILE_SIGNALS; // change into signals
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_m[tile].m2 |= 0xF0; // all signals are on
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@ -748,7 +746,7 @@ static int32 CmdSignalTrackHelper(TileIndex tile, uint32 flags, uint32 p1, uint3
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track = TrackdirToTrack(trackdir); /* trackdir might have changed, keep track in sync */
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// copy the signal-style of the first rail-piece if existing
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if (GetRailTileType(tile) == RAIL_TILE_SIGNALS && GetTrackBits(tile) != 0) { /* XXX: GetTrackBits check useless? */
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if (HasSignals(tile)) {
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signals = _m[tile].m3 & SignalOnTrack(track);
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if (signals == 0) signals = SignalOnTrack(track); /* Can this actually occur? */
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@ -980,14 +978,14 @@ static int32 ClearTile_Track(TileIndex tile, byte flags)
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m5 = _m[tile].m5;
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if (flags & DC_AUTO) {
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if (GetRailTileType(tile) == RAIL_TILE_DEPOT_WAYPOINT) {
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return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);
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}
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if (!IsTileOwner(tile, _current_player))
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return_cmd_error(STR_1024_AREA_IS_OWNED_BY_ANOTHER);
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return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK);
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if (IsPlainRailTile(tile)) {
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return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK);
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} else {
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return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);
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}
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}
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cost = 0;
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@ -1303,15 +1301,14 @@ static void DrawTile_Track(TileInfo *ti)
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_drawtile_track_palette = SPRITE_PALETTE(PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)));
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if (GetRailTileType(ti->tile) != RAIL_TILE_DEPOT_WAYPOINT) {
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if (IsPlainRailTile(ti->tile)) {
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TrackBits rails = GetTrackBits(ti->tile);
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DrawTrackBits(ti, rails);
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if (_display_opt & DO_FULL_DETAIL) DrawTrackDetails(ti);
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/* draw signals also? */
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if (GetRailTileType(ti->tile) == RAIL_TILE_SIGNALS) DrawSignals(ti->tile, rails);
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if (HasSignals(ti->tile)) DrawSignals(ti->tile, rails);
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} else {
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/* draw depots / waypoints */
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const DrawTrackSeqStruct *drss;
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@ -1724,9 +1721,7 @@ static uint GetSlopeZ_Track(const TileInfo* ti)
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uint z = ti->z;
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if (tileh == SLOPE_FLAT) return z;
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if (GetRailTileType(ti->tile) == RAIL_TILE_DEPOT_WAYPOINT) {
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return z + TILE_HEIGHT;
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} else {
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if (IsPlainRailTile(ti->tile)) {
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uint f = GetRailFoundation(ti->tileh, GetTrackBits(ti->tile));
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if (f != 0) {
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@ -1734,20 +1729,22 @@ static uint GetSlopeZ_Track(const TileInfo* ti)
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tileh = _inclined_tileh[f - 15]; // inclined foundation
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}
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return z + GetPartialZ(ti->x & 0xF, ti->y & 0xF, tileh);
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} else {
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return z + TILE_HEIGHT;
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}
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}
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static Slope GetSlopeTileh_Track(TileIndex tile, Slope tileh)
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{
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if (tileh == SLOPE_FLAT) return SLOPE_FLAT;
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if (GetRailTileType(tile) == RAIL_TILE_DEPOT_WAYPOINT) {
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return SLOPE_FLAT;
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} else {
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if (IsPlainRailTile(tile)) {
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uint f = GetRailFoundation(tileh, GetTrackBits(tile));
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if (f == 0) return tileh;
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if (f < 15) return SLOPE_FLAT; // leveled foundation
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return _inclined_tileh[f - 15]; // inclined foundation
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} else {
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return SLOPE_FLAT;
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}
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}
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@ -1790,8 +1787,7 @@ static void TileLoop_Track(TileIndex tile)
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if (quick_return) return;
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// Don't continue tile loop for depots
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if (GetRailTileType(tile) == RAIL_TILE_DEPOT_WAYPOINT) return;
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if (!IsPlainRailTile(tile)) return;
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new_ground = RAIL_GROUND_GRASS;
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@ -1888,15 +1884,11 @@ static uint32 GetTileTrackStatus_Track(TileIndex tile, TransportType mode)
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if (mode != TRANSPORT_RAIL) return 0;
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if (GetRailTileType(tile) != RAIL_TILE_DEPOT_WAYPOINT) {
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if (IsPlainRailTile(tile)) {
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TrackBits rails = GetTrackBits(tile);
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uint32 ret = rails * 0x101;
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if (GetRailTileType(tile) != RAIL_TILE_SIGNALS) {
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if (rails == TRACK_BIT_CROSS) ret |= 0x40;
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} else {
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/* has_signals */
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if (HasSignals(tile)) {
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a = _m[tile].m3;
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b = _m[tile].m2;
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@ -1913,6 +1905,8 @@ static uint32 GetTileTrackStatus_Track(TileIndex tile, TransportType mode)
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if ((b & 0x40) == 0) ret |= 0x07100000;
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if ((b & 0x20) == 0) ret |= 0x20080000;
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if ((b & 0x10) == 0) ret |= 0x08200000;
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} else {
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if (rails == TRACK_BIT_CROSS) ret |= 0x40;
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}
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return ret;
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} else {
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@ -60,6 +60,14 @@ static inline RailTileSubtype GetRailTileSubtype(TileIndex tile)
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}
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static inline bool IsRailDepot(TileIndex t)
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{
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return
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GetRailTileType(t) == RAIL_TILE_DEPOT_WAYPOINT &&
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GetRailTileSubtype(t) == RAIL_SUBTYPE_DEPOT;
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}
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static inline bool IsRailWaypoint(TileIndex t)
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{
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return
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@ -1830,8 +1830,7 @@ static bool NtpCallbFindDepot(TileIndex tile, TrainFindDepotData *tfdd, int trac
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{
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if (IsTileType(tile, MP_RAILWAY) &&
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IsTileOwner(tile, tfdd->owner) &&
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GetRailTileType(tile) == RAIL_TILE_DEPOT_WAYPOINT &&
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GetRailTileSubtype(tile) == RAIL_SUBTYPE_DEPOT) {
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IsRailDepot(tile)) {
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tfdd->best_length = length;
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tfdd->tile = tile;
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return true;
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