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(svn r27424) -Fix [FS#6374]: Towns did not connect roads to existing roads, unless they had only a single roadbit. Otoh, towns also tried to connect to single roadbit tiles such as tunnels and depots, even though they were not connectable in the direction of interest.

This commit is contained in:
frosch 2015-10-30 17:19:01 +00:00
parent ab7ebdcfd9
commit c0a301ae60
1 changed files with 30 additions and 27 deletions
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57
src/road.cpp
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@ -57,41 +57,44 @@ RoadBits CleanUpRoadBits(const TileIndex tile, RoadBits org_rb)
bool connective = false;
const RoadBits mirrored_rb = MirrorRoadBits(target_rb);
switch (GetTileType(neighbor_tile)) {
/* Always connective ones */
case MP_CLEAR: case MP_TREES:
connective = true;
break;
if (IsValidTile(neighbor_tile)) {
switch (GetTileType(neighbor_tile)) {
/* Always connective ones */
case MP_CLEAR: case MP_TREES:
connective = true;
break;
/* The conditionally connective ones */
case MP_TUNNELBRIDGE:
case MP_STATION:
case MP_ROAD: {
const RoadBits neighbor_rb = GetAnyRoadBits(neighbor_tile, ROADTYPE_ROAD) | GetAnyRoadBits(neighbor_tile, ROADTYPE_TRAM);
/* The conditionally connective ones */
case MP_TUNNELBRIDGE:
case MP_STATION:
case MP_ROAD:
if (IsNormalRoadTile(neighbor_tile)) {
/* Always connective */
connective = true;
} else {
const RoadBits neighbor_rb = GetAnyRoadBits(neighbor_tile, ROADTYPE_ROAD) | GetAnyRoadBits(neighbor_tile, ROADTYPE_TRAM);
/* Accept only connective tiles */
connective = (neighbor_rb & mirrored_rb) || // Neighbor has got the fitting RoadBit
HasExactlyOneBit(neighbor_rb); // Neighbor has got only one Roadbit
/* Accept only connective tiles */
connective = (neighbor_rb & mirrored_rb) != ROAD_NONE;
}
break;
break;
case MP_RAILWAY:
connective = IsPossibleCrossing(neighbor_tile, DiagDirToAxis(dir));
break;
case MP_WATER:
/* Check for real water tile */
connective = !IsWater(neighbor_tile);
break;
/* The definitely not connective ones */
default: break;
}
case MP_RAILWAY:
connective = IsPossibleCrossing(neighbor_tile, DiagDirToAxis(dir));
break;
case MP_WATER:
/* Check for real water tile */
connective = !IsWater(neighbor_tile);
break;
/* The definitely not connective ones */
default: break;
}
/* If the neighbor tile is inconnective, remove the planed road connection to it */
if (!connective) org_rb ^= target_rb;
}
}