diff options
Diffstat (limited to 'src/roadstop.cpp')
| -rw-r--r-- | src/roadstop.cpp | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/roadstop.cpp b/src/roadstop.cpp index ca049979c..acefa8362 100644 --- a/src/roadstop.cpp +++ b/src/roadstop.cpp @@ -43,7 +43,7 @@ RoadStop::~RoadStop() */ RoadStop *RoadStop::GetNextRoadStop(const RoadVehicle *v) const { - for (RoadStop *rs = this->next; rs != NULL; rs = rs->next) { + for (RoadStop *rs = this->next; rs != nullptr; rs = rs->next) { /* The vehicle cannot go to this roadstop (different roadtype) */ if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue; /* The vehicle is articulated and can therefore not go to a standard road stop. */ @@ -53,7 +53,7 @@ RoadStop *RoadStop::GetNextRoadStop(const RoadVehicle *v) const return rs; } - return NULL; + return nullptr; } /** @@ -63,7 +63,7 @@ RoadStop *RoadStop::GetNextRoadStop(const RoadVehicle *v) const */ void RoadStop::MakeDriveThrough() { - assert(this->east == NULL && this->west == NULL); + assert(this->east == nullptr && this->west == nullptr); RoadStopType rst = GetRoadStopType(this->xy); DiagDirection dir = GetRoadStopDir(this->xy); @@ -73,21 +73,21 @@ void RoadStop::MakeDriveThrough() /* Information about the tile north of us */ TileIndex north_tile = this->xy - offset; bool north = IsDriveThroughRoadStopContinuation(this->xy, north_tile); - RoadStop *rs_north = north ? RoadStop::GetByTile(north_tile, rst) : NULL; + RoadStop *rs_north = north ? RoadStop::GetByTile(north_tile, rst) : nullptr; /* Information about the tile south of us */ TileIndex south_tile = this->xy + offset; bool south = IsDriveThroughRoadStopContinuation(this->xy, south_tile); - RoadStop *rs_south = south ? RoadStop::GetByTile(south_tile, rst) : NULL; + RoadStop *rs_south = south ? RoadStop::GetByTile(south_tile, rst) : nullptr; /* Amount of road stops that will be added to the 'northern' head */ int added = 1; - if (north && rs_north->east != NULL) { // (east != NULL) == (west != NULL) + if (north && rs_north->east != nullptr) { // (east != nullptr) == (west != nullptr) /* There is a more northern one, so this can join them */ this->east = rs_north->east; this->west = rs_north->west; - if (south && rs_south->east != NULL) { // (east != NULL) == (west != NULL) + if (south && rs_south->east != nullptr) { // (east != nullptr) == (west != nullptr) /* There more southern tiles too, they must 'join' us too */ ClrBit(rs_south->status, RSSFB_BASE_ENTRY); this->east->occupied += rs_south->east->occupied; @@ -100,13 +100,13 @@ void RoadStop::MakeDriveThrough() /* Make all 'children' of the southern tile take the new master */ for (; IsDriveThroughRoadStopContinuation(this->xy, south_tile); south_tile += offset) { rs_south = RoadStop::GetByTile(south_tile, rst); - if (rs_south->east == NULL) break; + if (rs_south->east == nullptr) break; rs_south->east = rs_north->east; rs_south->west = rs_north->west; added++; } } - } else if (south && rs_south->east != NULL) { // (east != NULL) == (west != NULL) + } else if (south && rs_south->east != nullptr) { // (east != nullptr) == (west != nullptr) /* There is one to the south, but not to the north... so we become 'parent' */ this->east = rs_south->east; this->west = rs_south->west; @@ -131,7 +131,7 @@ void RoadStop::MakeDriveThrough() */ void RoadStop::ClearDriveThrough() { - assert(this->east != NULL && this->west != NULL); + assert(this->east != nullptr && this->west != nullptr); RoadStopType rst = GetRoadStopType(this->xy); DiagDirection dir = GetRoadStopDir(this->xy); @@ -141,12 +141,12 @@ void RoadStop::ClearDriveThrough() /* Information about the tile north of us */ TileIndex north_tile = this->xy - offset; bool north = IsDriveThroughRoadStopContinuation(this->xy, north_tile); - RoadStop *rs_north = north ? RoadStop::GetByTile(north_tile, rst) : NULL; + RoadStop *rs_north = north ? RoadStop::GetByTile(north_tile, rst) : nullptr; /* Information about the tile south of us */ TileIndex south_tile = this->xy + offset; bool south = IsDriveThroughRoadStopContinuation(this->xy, south_tile); - RoadStop *rs_south = south ? RoadStop::GetByTile(south_tile, rst) : NULL; + RoadStop *rs_south = south ? RoadStop::GetByTile(south_tile, rst) : nullptr; /* Must only be cleared after we determined which neighbours are * part of our little entry 'queue' */ @@ -207,8 +207,8 @@ void RoadStop::ClearDriveThrough() /* Make sure we don't get used for something 'incorrect' */ ClrBit(this->status, RSSFB_BASE_ENTRY); - this->east = NULL; - this->west = NULL; + this->east = nullptr; + this->west = nullptr; } /** @@ -271,7 +271,7 @@ bool RoadStop::Enter(RoadVehicle *rv) for (RoadStop *rs = st->GetPrimaryRoadStop(type);; rs = rs->next) { if (rs->xy == tile) return rs; - assert(rs->next != NULL); + assert(rs->next != nullptr); } } @@ -325,25 +325,25 @@ struct RoadStopEntryRebuilderHelper { * Add road vehicles to the station's list if needed. * @param v the found vehicle * @param data the extra data used to make our decision - * @return always NULL + * @return always nullptr */ Vehicle *FindVehiclesInRoadStop(Vehicle *v, void *data) { RoadStopEntryRebuilderHelper *rserh = (RoadStopEntryRebuilderHelper*)data; /* Not a RV or not in the right direction or crashed :( */ - if (v->type != VEH_ROAD || DirToDiagDir(v->direction) != rserh->dir || !v->IsPrimaryVehicle() || (v->vehstatus & VS_CRASHED) != 0) return NULL; + if (v->type != VEH_ROAD || DirToDiagDir(v->direction) != rserh->dir || !v->IsPrimaryVehicle() || (v->vehstatus & VS_CRASHED) != 0) return nullptr; RoadVehicle *rv = RoadVehicle::From(v); /* Don't add ones not in a road stop */ - if (rv->state < RVSB_IN_ROAD_STOP) return NULL; + if (rv->state < RVSB_IN_ROAD_STOP) return nullptr; /* Do not add duplicates! */ for (RVList::iterator it = rserh->vehicles.begin(); it != rserh->vehicles.end(); it++) { - if (rv == *it) return NULL; + if (rv == *it) return nullptr; } rserh->vehicles.push_back(rv); - return NULL; + return nullptr; } /** |