diff options
Diffstat (limited to 'src/terraform_cmd.cpp')
| -rw-r--r-- | src/terraform_cmd.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/terraform_cmd.cpp b/src/terraform_cmd.cpp index 21df5ccbe..c6c43799a 100644 --- a/src/terraform_cmd.cpp +++ b/src/terraform_cmd.cpp @@ -8,6 +8,7 @@ /** @file terraform_cmd.cpp Commands related to terraforming. */ #include "stdafx.h" +#include "layer_func.h" #include "command_func.h" #include "tunnel_map.h" #include "bridge_map.h" @@ -248,6 +249,10 @@ std::tuple<CommandCost, Money, TileIndex> CmdTerraformLand(DoCommandFlag flags, if (z_N > z_min) tileh |= SLOPE_N; if (pass == 0) { + /* Terrafrom enable only top layer */ + if (IsUnderground(tile)) { + return_cmd_error(STR_ERROR_UNDERGROUND_CAN_T_TERRAFORM); + } /* Check if bridge would take damage */ if (IsBridgeAbove(t)) { int bridge_height = GetBridgeHeight(GetSouthernBridgeEnd(t)); |