diff options
Diffstat (limited to 'src/tunnelbridge_cmd.cpp')
| -rw-r--r-- | src/tunnelbridge_cmd.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp index 49b987d0a..d4b794633 100644 --- a/src/tunnelbridge_cmd.cpp +++ b/src/tunnelbridge_cmd.cpp @@ -391,6 +391,16 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u for (TileIndex tile = tile_start + delta; tile != tile_end; tile += delta) { if (GetTileMaxZ(tile) > z_start) return_cmd_error(STR_ERROR_BRIDGE_TOO_LOW_FOR_TERRAIN); + if (z_start >= (GetTileZ(tile) + _settings_game.construction.max_bridge_height)) { + /* + * Disallow too high bridges. + * Properly rendering a map where very high bridges (might) exist is expensive. + * See http://www.tt-forums.net/viewtopic.php?f=33&t=40844&start=980#p1131762 + * for a detailed discussion. z_start here is one heightlevel below the bridge level. + */ + return_cmd_error(STR_ERROR_BRIDGE_TOO_HIGH_FOR_TERRAIN); + } + if (IsBridgeAbove(tile)) { /* Disallow crossing bridges for the time being */ return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST); |