diff options
-rw-r--r-- | src/terraform_cmd.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/terraform_cmd.cpp b/src/terraform_cmd.cpp index 337eca2fd..bdcc49fab 100644 --- a/src/terraform_cmd.cpp +++ b/src/terraform_cmd.cpp @@ -240,21 +240,21 @@ CommandCost CmdTerraformLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, ts.modheight_count = ts.tile_table_count = 0; /* Compute the costs and the terraforming result in a model of the landscape */ - if ((p1 & SLOPE_W) != 0) { + if ((p1 & SLOPE_W) != 0 && tile + TileDiffXY(1, 0) < MapSize()) { TileIndex t = tile + TileDiffXY(1, 0); CommandCost cost = TerraformTileHeight(&ts, t, TileHeight(t) + direction); if (CmdFailed(cost)) return cost; total_cost.AddCost(cost); } - if ((p1 & SLOPE_S) != 0) { + if ((p1 & SLOPE_S) != 0 && tile + TileDiffXY(1, 1) < MapSize()) { TileIndex t = tile + TileDiffXY(1, 1); CommandCost cost = TerraformTileHeight(&ts, t, TileHeight(t) + direction); if (CmdFailed(cost)) return cost; total_cost.AddCost(cost); } - if ((p1 & SLOPE_E) != 0) { + if ((p1 & SLOPE_E) != 0 && tile + TileDiffXY(0, 1) < MapSize()) { TileIndex t = tile + TileDiffXY(0, 1); CommandCost cost = TerraformTileHeight(&ts, t, TileHeight(t) + direction); if (CmdFailed(cost)) return cost; |