diff options
Diffstat (limited to 'src/tunnelbridge_cmd.cpp')
| -rw-r--r-- | src/tunnelbridge_cmd.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp index 297a01d30..3a5ae05ad 100644 --- a/src/tunnelbridge_cmd.cpp +++ b/src/tunnelbridge_cmd.cpp @@ -15,6 +15,7 @@ #include "stdafx.h" #include "newgrf_object.h" +#include "layer_func.h" #include "viewport_func.h" #include "cmd_helper.h" #include "command_func.h" @@ -277,6 +278,10 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u return_cmd_error(STR_ERROR_CAN_T_START_AND_END_ON); } + if (IsUnderground(tile_start) || IsUnderground(tile_end)) { + return_cmd_error(STR_ERROR_UNDERGROUND_CAN_T_BUILD_UNDER_GROUND); + } + Axis direction; if (TileX(tile_start) == TileX(tile_end)) { direction = AXIS_Y; @@ -641,6 +646,12 @@ CommandCost CmdBuildTunnel(TileIndex start_tile, DoCommandFlag flags, uint32 p1, for (;;) { end_tile += delta; if (!IsValidTile(end_tile)) return_cmd_error(STR_ERROR_TUNNEL_THROUGH_MAP_BORDER); + + + if (IsUnderground(start_tile) || IsUnderground(end_tile)) { + return_cmd_error(STR_ERROR_UNDERGROUND_CAN_T_BUILD_UNDER_GROUND); + } + end_tileh = GetTileSlope(end_tile, &end_z); if (start_z == end_z) break; |