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-rw-r--r--src/train_cmd.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index 6f1cc9003..108e75597 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -1454,6 +1454,22 @@ static void UpdateStatusAfterSwap(Train *v)
/* Call the proper EnterTile function unless we are in a wormhole. */
if (v->track != TRACK_BIT_WORMHOLE) {
VehicleEnterTile(v, v->tile, v->x_pos, v->y_pos);
+ } else {
+ /* VehicleEnter_TunnelBridge() sets TRACK_BIT_WORMHOLE when the vehicle
+ * is on the last bit of the bridge head (frame == TILE_SIZE - 1).
+ * If we were swapped with such a vehicle, we have set TRACK_BIT_WORMHOLE,
+ * when we shouldn't have. Check if this is the case. */
+ TileIndex vt = TileVirtXY(v->x_pos, v->y_pos);
+ if (IsTileType(vt, MP_TUNNELBRIDGE)) {
+ VehicleEnterTile(v, vt, v->x_pos, v->y_pos);
+ if (v->track != TRACK_BIT_WORMHOLE && IsBridgeTile(v->tile)) {
+ /* We have just left the wormhole, possibly set the
+ * "goingdown" bit. UpdateInclination() can be used
+ * because we are at the border of the tile. */
+ v->UpdateInclination(true, true);
+ return;
+ }
+ }
}
v->UpdateViewport(true, true);