diff options
Diffstat (limited to 'src/town_cmd.cpp')
| -rw-r--r-- | src/town_cmd.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp index 810499d04..2d03f4f87 100644 --- a/src/town_cmd.cpp +++ b/src/town_cmd.cpp @@ -1338,9 +1338,9 @@ static bool CanFollowRoad(TileIndex tile, DiagDirection dir) * Returns "growth" if a house was built, or no if the build failed. * @param t town to inquiry * @param tile to inquiry - * @return something other than zero(0)if town expansion was possible + * @return true if town expansion was possible */ -static int GrowTownAtRoad(Town *t, TileIndex tile) +static bool GrowTownAtRoad(Town *t, TileIndex tile) { /* Special case. * @see GrowTownInTile Check the else if @@ -1377,7 +1377,7 @@ static int GrowTownAtRoad(Town *t, TileIndex tile) * and return if no more road blocks available */ if (IsValidDiagDirection(target_dir)) cur_rb &= ~DiagDirToRoadBits(ReverseDiagDir(target_dir)); if (cur_rb == ROAD_NONE) { - return _grow_town_result; + return _grow_town_result != GROWTH_SEARCH_STOPPED; } if (IsTileType(tile, MP_TUNNELBRIDGE)) { @@ -1387,7 +1387,7 @@ static int GrowTownAtRoad(Town *t, TileIndex tile) /* Select a random bit from the blockmask, walk a step * and continue the search from there. */ do { - if (cur_rb == ROAD_NONE) return GROWTH_SEARCH_STOPPED; + if (cur_rb == ROAD_NONE) return false; RoadBits target_bits; do { target_dir = RandomDiagDir(); @@ -1413,7 +1413,7 @@ static int GrowTownAtRoad(Town *t, TileIndex tile) /* Max number of times is checked. */ } while (--_grow_town_result >= 0); - return (_grow_town_result == -2); + return _grow_town_result == GROWTH_SUCCEED - 1; } /** @@ -1464,9 +1464,9 @@ static bool GrowTown(Town *t) const TileIndexDiffC *ptr; for (ptr = _town_coord_mod; ptr != endof(_town_coord_mod); ++ptr) { if (GetTownRoadBits(tile) != ROAD_NONE) { - int r = GrowTownAtRoad(t, tile); + bool success = GrowTownAtRoad(t, tile); cur_company.Restore(); - return r != 0; + return success; } tile = TILE_ADD(tile, ToTileIndexDiff(*ptr)); } |