@@ -1396,12 +1396,17 @@ static void TileLoop_TunnelBridge(TileIn
{
bool snow_or_desert = HasTunnelBridgeSnowOrDesert(tile);
switch (_settings_game.game_creation.landscape) {
case LT_ARCTIC:
if (snow_or_desert != (GetTileZ(tile) > GetSnowLine())) {
case LT_ARCTIC: {
/* As long as we do not have a snow density, we want to use the density
* from the entry endge. For tunnels this is the lowest point for bridges the highest point.
* (Independent of foundations) */
uint z = IsBridge(tile) ? GetTileMaxZ(tile) : GetTileZ(tile);
if (snow_or_desert != (z > GetSnowLine())) {
SetTunnelBridgeSnowOrDesert(tile, !snow_or_desert);
MarkTileDirtyByTile(tile);
}
break;
case LT_TROPIC:
if (GetTropicZone(tile) == TROPICZONE_DESERT && !snow_or_desert) {