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@ -205,12 +205,17 @@ static CommandCost DoBuildLock(TileIndex tile, DiagDirection dir, DoCommandFlag
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{
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CommandCost cost(EXPENSES_CONSTRUCTION);
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int delta = TileOffsByDiagDir(dir);
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CommandCost ret = EnsureNoVehicleOnGround(tile);
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if (ret.Succeeded()) ret = EnsureNoVehicleOnGround(tile + delta);
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if (ret.Succeeded()) ret = EnsureNoVehicleOnGround(tile - delta);
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if (ret.Failed()) return ret;
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/* middle tile */
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CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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if (ret.Failed()) return ret;
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cost.AddCost(ret);
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int delta = TileOffsByDiagDir(dir);
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/* lower tile */
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WaterClass wc_lower = IsWaterTile(tile - delta) ? GetWaterClass(tile - delta) : WATER_CLASS_CANAL;
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