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-rw-r--r--src/oldloader.cpp23
-rw-r--r--src/station.cpp97
-rw-r--r--src/station.h22
-rw-r--r--src/station_cmd.cpp72
4 files changed, 121 insertions, 93 deletions
diff --git a/src/oldloader.cpp b/src/oldloader.cpp
index 58f82cf14..d2e67a1b5 100644
--- a/src/oldloader.cpp
+++ b/src/oldloader.cpp
@@ -314,27 +314,10 @@ static void FixOldStations(void)
}
/* Check if there is a bus or truck station, and convert to new format */
- if (st->bus_tile_obsolete != 0) {
- st->bus_stops = AllocateRoadStop();
- st->bus_stops->xy = st->bus_tile_obsolete;
- st->bus_stops->used = true;
- st->bus_stops->status = 3;
- st->bus_stops->station = st->index;
- st->bus_stops->next = NULL;
- st->bus_stops->prev = NULL;
- st->bus_stops->num_vehicles = 0;
- }
+ if (st->bus_tile_obsolete != 0) st->bus_stops = new RoadStop(st->bus_tile_obsolete, st->index);
+
+ if (st->lorry_tile_obsolete != 0) st->truck_stops = new RoadStop(st->lorry_tile_obsolete, st->index);
- if (st->lorry_tile_obsolete != 0) {
- st->truck_stops = AllocateRoadStop();
- st->truck_stops->xy = st->lorry_tile_obsolete;
- st->truck_stops->used = true;
- st->truck_stops->status = 3;
- st->truck_stops->station = st->index;
- st->truck_stops->next = NULL;
- st->truck_stops->prev = NULL;
- st->truck_stops->num_vehicles = 0;
- }
}
}
diff --git a/src/station.cpp b/src/station.cpp
index 69f34f20f..e23439eb0 100644
--- a/src/station.cpp
+++ b/src/station.cpp
@@ -312,3 +312,100 @@ StationRect& StationRect::operator = (Rect src)
return *this;
}
+
+/************************************************************************/
+/* RoadStop implementation */
+/************************************************************************/
+
+/** Allocates a new RoadStop onto the pool, or recycles an unsed one
+ * @return a pointer to the new roadstop
+ */
+void *RoadStop::operator new(size_t size)
+{
+ RoadStop *rs = AllocateRaw();
+ return rs;
+}
+
+/** Gets a RoadStop with a given index and allocates it when needed
+ * @return a pointer to the roadstop
+ */
+void *RoadStop::operator new(size_t size, int index)
+{
+ if (!AddBlockIfNeeded(&_RoadStop_pool, index)) {
+ error("RoadStops: failed loading savegame: too many RoadStops");
+ }
+
+ RoadStop *rs = GetRoadStop(index);
+ return rs;
+}
+
+void RoadStop::operator delete(void *p)
+{
+}
+
+void RoadStop::operator delete(void *p, int index)
+{
+}
+
+/** Initializes a RoadStop */
+RoadStop::RoadStop(TileIndex tile, StationID index)
+{
+ DEBUG(ms, cDebugCtorLevel, "I+%3d at %d[0x%x]", index, tile, tile);
+ xy = tile;
+ used = true;
+ status = 3; //stop is free
+ next = NULL;
+ prev = NULL;
+ station = index;
+ num_vehicles = 0;
+}
+
+/** De-Initializes a RoadStops. This includes clearing all slots that vehicles might
+ * have and unlinks it from the linked list of road stops at the given station
+ */
+RoadStop::~RoadStop()
+{
+ Vehicle *v;
+
+ /* Clear the slot assignment of all vehicles heading for this road stop */
+ if (num_vehicles != 0) {
+ FOR_ALL_VEHICLES(v) {
+ if (v->type == VEH_Road && v->u.road.slot == this) ClearSlot(v);
+ }
+ }
+ assert(num_vehicles == 0);
+
+ if (prev != NULL) prev->next = next;
+ if (next != NULL) next->prev = prev;
+
+ used = false;
+ DEBUG(ms, cDebugCtorLevel , "I- at %3d%d[0x%x]", station, xy, xy);
+
+ xy = INVALID_TILE;
+ station = INVALID_STATION;
+}
+
+
+/** Low-level function for allocating a RoadStop on the pool */
+RoadStop *RoadStop::AllocateRaw( void )
+{
+ RoadStop *rs;
+
+ /* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
+ * TODO - This is just a temporary stage, this will be removed. */
+ for (rs = GetRoadStop(0); rs != NULL; rs = (rs->index + 1U < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1U) : NULL) {
+ if (!IsValidRoadStop(rs)) {
+ RoadStopID index = rs->index;
+
+ memset(rs, 0, sizeof(*rs));
+ rs->index = index;
+
+ return rs;
+ }
+ }
+
+ /* Check if we can add a block to the pool */
+ if (AddBlockToPool(&_RoadStop_pool)) return AllocateRaw();
+
+ return NULL;
+}
diff --git a/src/station.h b/src/station.h
index b6cffe1d2..dc86f689f 100644
--- a/src/station.h
+++ b/src/station.h
@@ -53,6 +53,20 @@ typedef struct RoadStop {
StationID station;
struct RoadStop *next;
struct RoadStop *prev;
+
+ static const int cDebugCtorLevel = 3;
+
+ RoadStop(TileIndex tile, StationID index);
+ ~RoadStop();
+
+ void *operator new (size_t size);
+ void operator delete(void *rs);
+
+ /* For loading games */
+ void *operator new (size_t size, int index);
+ void operator delete(void *rs, int index);
+
+ static RoadStop *AllocateRaw( void );
} RoadStop;
typedef struct StationSpecList {
@@ -248,14 +262,6 @@ 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 + 1U < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1U) : NULL) if (IsValidRoadStop(rs))
#define FOR_ALL_ROADSTOPS(rs) FOR_ALL_ROADSTOPS_FROM(rs, 0)
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index 36ec79d12..236a716a6 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -77,16 +77,6 @@ DEFINE_OLD_POOL(RoadStop, RoadStop, RoadStopPoolNewBlock, NULL)
extern void UpdateAirplanesOnNewStation(Station *st);
-static void InitializeRoadStop(RoadStop *road_stop, RoadStop *previous, TileIndex tile, StationID index)
-{
- road_stop->xy = tile;
- road_stop->used = true;
- road_stop->status = 3; //stop is free
- road_stop->next = NULL;
- road_stop->prev = previous;
- road_stop->station = index;
- road_stop->num_vehicles = 0;
-}
RoadStop* GetPrimaryRoadStop(const Station* st, RoadStopType type)
{
@@ -122,28 +112,6 @@ uint GetNumRoadStopsInStation(const Station* st, RoadStopType type)
return num;
}
-RoadStop *AllocateRoadStop(void)
-{
- RoadStop *rs;
-
- /* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
- * TODO - This is just a temporary stage, this will be removed. */
- for (rs = GetRoadStop(0); rs != NULL; rs = (rs->index + 1U < GetRoadStopPoolSize()) ? GetRoadStop(rs->index + 1U) : NULL) {
- if (!IsValidRoadStop(rs)) {
- RoadStopID index = rs->index;
-
- memset(rs, 0, sizeof(*rs));
- rs->index = index;
-
- return rs;
- }
- }
-
- /* Check if we can add a block to the pool */
- if (AddBlockToPool(&_RoadStop_pool)) return AllocateRoadStop();
-
- return NULL;
-}
/* Calculate the radius of the station. Basicly it is the biggest
* radius that is available within the station */
@@ -1393,7 +1361,7 @@ int32 CmdBuildRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
}
//give us a road stop in the list, and check if something went wrong
- road_stop = AllocateRoadStop();
+ road_stop = new RoadStop(tile, INVALID_STATION);
if (road_stop == NULL) {
return_cmd_error(type ? STR_3008B_TOO_MANY_TRUCK_STOPS : STR_3008A_TOO_MANY_BUS_STOPS);
}
@@ -1443,7 +1411,8 @@ int32 CmdBuildRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
*currstop = road_stop;
//initialize an empty station
- InitializeRoadStop(road_stop, prev, tile, st->index);
+ road_stop->prev = prev;
+ road_stop->station = st->index;
if (!st->facilities) st->xy = tile;
st->facilities |= (type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP;
st->owner = _current_player;
@@ -1499,7 +1468,7 @@ static int32 RemoveRoadStop(Station *st, uint32 flags, TileIndex tile)
*primary_stop = (*primary_stop)->next;
}
- DeleteRoadStop(cur_stop);
+ delete cur_stop;
DoClearSquare(tile);
st->rect.AfterRemoveTile(st, tile);
@@ -2356,27 +2325,6 @@ static uint32 VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
return 0;
}
-/**
- * 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;
-}
-
void DeleteAllPlayerStations(void)
{
@@ -3059,18 +3007,16 @@ static void Load_STNS(void)
* convert, if needed */
if (CheckSavegameVersion(6)) {
if (st->bus_tile_obsolete != 0) {
- st->bus_stops = AllocateRoadStop();
+ st->bus_stops = new RoadStop(st->bus_tile_obsolete, st->index);
if (st->bus_stops == NULL)
error("Station: too many busstations in savegame");
- InitializeRoadStop(st->bus_stops, NULL, st->bus_tile_obsolete, st->index);
}
if (st->lorry_tile_obsolete != 0) {
- st->truck_stops = AllocateRoadStop();
+ st->truck_stops = new RoadStop(st->lorry_tile_obsolete, st->index);
if (st->truck_stops == NULL)
error("Station: too many truckstations in savegame");
- InitializeRoadStop(st->truck_stops, NULL, st->lorry_tile_obsolete, st->index);
}
}
}
@@ -3094,12 +3040,8 @@ static void Load_ROADSTOP(void)
int index;
while ((index = SlIterateArray()) != -1) {
- RoadStop *rs;
-
- if (!AddBlockIfNeeded(&_RoadStop_pool, index))
- error("RoadStops: failed loading savegame: too many RoadStops");
+ RoadStop *rs = new (index) RoadStop(INVALID_TILE, INVALID_STATION);
- rs = GetRoadStop(index);
SlObject(rs, _roadstop_desc);
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-29 04:42:42 +0000