@@ -690,6 +690,7 @@ do_clear:;
* - p2 = (bit 2) - direction: 0 = along x-axis, 1 = along y-axis (p2 & 4)
* - p2 = (bit 3 + 4) - road type
* - p2 = (bit 5) - set road direction
* - p2 = (bit 6) - 0 = build up to an obstacle, 1 = fail if an obstacle is found (used for AIs).
* @param text unused
* @return the cost of this operation or an error
*/
@@ -742,7 +743,10 @@ CommandCost CmdBuildLongRoad(TileIndex s
_error_message = INVALID_STRING_ID;
CommandCost ret = DoCommand(tile, drd << 6 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
if (ret.Failed()) {
if (_error_message != STR_ERROR_ALREADY_BUILT) break;
if (_error_message != STR_ERROR_ALREADY_BUILT) {
if (HasBit(p2, 6)) return CMD_ERROR;
break;
}
} else {
had_success = true;
/* Only pay for the upgrade on one side of the bridges and tunnels */