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 aad982282..ac96a0b63 100644 --- a/src/terraform_cmd.cpp +++ b/src/terraform_cmd.cpp @@ -10,6 +10,7 @@ /** @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" @@ -253,6 +254,10 @@ CommandCost CmdTerraformLand(TileIndex tile, DoCommandFlag flags, uint32 p1, uin 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(tile)) { int bridge_height = GetBridgeHeight(GetSouthernBridgeEnd(tile)); |