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(svn r6151) -Codechange: DeleteStation/DeleteRoadStop removes a station/RoadStop from the pool 

-Codechange: DestroyStation/DestroyRoadStop is called by DeleteStation/DeleteRoadStop to remove all things where a station/RoadStop depends on.
  Last 2 changes to prepare for new pool system. Not pretty now, will be soon.
This commit is contained in:
truelight 2006-08-26 19:14:02 +00:00
parent 587b2a8826
commit d417827516
2 changed files with 47 additions and 24 deletions
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16
station.h
View File

@ -184,6 +184,14 @@ static inline bool IsValidStationID(StationID index)
return index < GetStationPoolSize() && IsValidStation(GetStation(index));
}
void DestroyStation(Station *st);
static inline void DeleteStation(Station *st)
{
DestroyStation(st);
st->xy = 0;
}
#define FOR_ALL_STATIONS_FROM(st, start) for (st = GetStation(start); st != NULL; st = (st->index + 1 < GetStationPoolSize()) ? GetStation(st->index + 1) : NULL) if (IsValidStation(st))
#define FOR_ALL_STATIONS(st) FOR_ALL_STATIONS_FROM(st, 0)
@ -216,6 +224,14 @@ static inline bool IsValidRoadStop(const RoadStop *rs)
return rs->used;
}
void DestroyRoadStop(RoadStop* rs);
static inline void DeleteRoadStop(RoadStop *rs)
{
DestroyRoadStop(rs);
rs->used = false;
}
#define FOR_ALL_ROADSTOPS_FROM(rs, start) for (rs = GetRoadStop(start); rs != NULL; rs = (rs->index + 1 < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1) : NULL) if (IsValidRoadStop(rs))
#define FOR_ALL_ROADSTOPS(rs) FOR_ALL_ROADSTOPS_FROM(rs, 0)

55
station_cmd.c
View File

@ -1513,24 +1513,6 @@ static int32 RemoveRoadStop(Station *st, uint32 flags, TileIndex tile)
if (!EnsureNoVehicle(tile)) return CMD_ERROR;
if (flags & DC_EXEC) {
Vehicle* v;
/* Clear the slot assignment of all vehicles heading for this road stop */
if (cur_stop->num_vehicles != 0) {
FOR_ALL_VEHICLES(v) {
if (v->type == VEH_Road && v->u.road.slot == cur_stop) {
ClearSlot(v);
}
}
}
assert(cur_stop->num_vehicles == 0);
DoClearSquare(tile);
cur_stop->used = false;
if (cur_stop->prev != NULL) cur_stop->prev->next = cur_stop->next;
if (cur_stop->next != NULL) cur_stop->next->prev = cur_stop->prev;
//we only had one stop left
if (cur_stop->next == NULL && cur_stop->prev == NULL) {
//so we remove ALL stops
@ -1542,6 +1524,9 @@ static int32 RemoveRoadStop(Station *st, uint32 flags, TileIndex tile)
*primary_stop = (*primary_stop)->next;
}
DeleteRoadStop(cur_stop);
DoClearSquare(tile);
UpdateStationVirtCoordDirty(st);
DeleteStationIfEmpty(st);
}
@ -2389,27 +2374,47 @@ static uint32 VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
return 0;
}
/** Removes a station from the list.
* This is done by setting the .xy property to 0,
* and doing some maintenance, especially clearing vehicle orders.
/**
* Cleanup a RoadStop. Make sure no vehicles try to go to this roadstop.
*/
void DestroyRoadStop(RoadStop* rs)
{
Vehicle *v;
/* Clear the slot assignment of all vehicles heading for this road stop */
if (rs->num_vehicles != 0) {
FOR_ALL_VEHICLES(v) {
if (v->type == VEH_Road && v->u.road.slot == rs) {
ClearSlot(v);
}
}
}
assert(rs->num_vehicles == 0);
if (rs->prev != NULL) rs->prev->next = rs->next;
if (rs->next != NULL) rs->next->prev = rs->prev;
}
/**
* Clean up a station by clearing vehicle orders and invalidating windows.
* Aircraft-Hangar orders need special treatment here, as the hangars are
* actually part of a station (tiletype is STATION), but the order type
* is OT_GOTO_DEPOT.
* @param st Station to be deleted
*/
static void DeleteStation(Station *st)
void DestroyStation(Station *st)
{
DestinationID dest;
StationID index;
Vehicle *v;
st->xy = 0;
index = st->index;
DeleteName(st->string_id);
MarkStationDirty(st);
RebuildStationLists();
InvalidateWindowClasses(WC_STATION_LIST);
index = st->index;
DeleteWindowById(WC_STATION_VIEW, index);
/* Now delete all orders that go to the station */
@ -2435,6 +2440,8 @@ static void DeleteStation(Station *st)
//Subsidies need removal as well
DeleteSubsidyWithStation(index);
free(st->speclist);
}
void DeleteAllPlayerStations(void)