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authortron <tron@openttd.org>2006-03-03 20:54:54 +0000
committertron <tron@openttd.org>2006-03-03 20:54:54 +0000
commit08720b6fd7c8cf345debbf1278698328e268d88e (patch)
tree95d8716647b3513c1c50be1fa871ca8b086db30f
parent4ebaa55fe112233cf806cd079a779199f09b9128 (diff)
downloadopenttd-08720b6fd7c8cf345debbf1278698328e268d88e.tar.xz
(svn r3750) Use INVALID_STATION instead of -1 in NPF
-rw-r--r--npf.c8
-rw-r--r--npf.h3
-rw-r--r--roadveh_cmd.c2
3 files changed, 7 insertions, 6 deletions
diff --git a/npf.c b/npf.c
index e6c9f9fb1..f5d57d2b6 100644
--- a/npf.c
+++ b/npf.c
@@ -117,7 +117,7 @@ static int32 NPFCalcStationOrTileHeuristic(AyStar* as, AyStarNode* current, Open
uint dist;
// for train-stations, we are going to aim for the closest station tile
- if (as->user_data[NPF_TYPE] == TRANSPORT_RAIL && fstd->station_index != -1)
+ if (as->user_data[NPF_TYPE] == TRANSPORT_RAIL && fstd->station_index != INVALID_STATION)
to = CalcClosestStationTile(fstd->station_index, from);
if (as->user_data[NPF_TYPE] == TRANSPORT_ROAD) {
@@ -420,7 +420,7 @@ static int32 NPFFindStationOrTile(AyStar* as, OpenListNode *current)
/* If GetNeighbours said we could get here, we assume the station type
* is correct */
if (
- (fstd->station_index == -1 && tile == fstd->dest_coords) || /* We've found the tile, or */
+ (fstd->station_index == INVALID_STATION && tile == fstd->dest_coords) || /* We've found the tile, or */
(IsTileType(tile, MP_STATION) && _m[tile].m2 == fstd->station_index) /* the station */
) {
return AYSTAR_FOUND_END_NODE;
@@ -800,7 +800,7 @@ NPFFoundTargetData NPFRouteToDepotTrialError(TileIndex tile, Trackdir trackdir,
assert(0);
/* Initialize target */
- target.station_index = -1; /* We will initialize dest_coords inside the loop below */
+ target.station_index = INVALID_STATION; /* We will initialize dest_coords inside the loop below */
_npf_aystar.user_target = &target;
/* Initialize user_data */
@@ -879,6 +879,6 @@ void NPFFillWithOrderData(NPFFindStationOrTileData* fstd, Vehicle* v)
fstd->dest_coords = CalcClosestStationTile(v->current_order.station, v->tile);
} else {
fstd->dest_coords = v->dest_tile;
- fstd->station_index = -1;
+ fstd->station_index = INVALID_STATION;
}
}
diff --git a/npf.h b/npf.h
index 380f29fa3..26b268521 100644
--- a/npf.h
+++ b/npf.h
@@ -5,6 +5,7 @@
#include "openttd.h"
#include "aystar.h"
+#include "station.h"
#include "vehicle.h"
#include "tile.h"
#include "variables.h"
@@ -31,7 +32,7 @@ enum {
typedef struct NPFFindStationOrTileData { /* Meant to be stored in AyStar.targetdata */
TileIndex dest_coords; /* An indication of where the station is, for heuristic purposes, or the target tile */
- int station_index; /* station index we're heading for, or -1 when we're heading for a tile */
+ StationID station_index; /* station index we're heading for, or INVALID_STATION when we're heading for a tile */
} NPFFindStationOrTileData;
enum { /* Indices into AyStar.userdata[] */
diff --git a/roadveh_cmd.c b/roadveh_cmd.c
index ef0eb3eec..e4b5ae6eb 100644
--- a/roadveh_cmd.c
+++ b/roadveh_cmd.c
@@ -1111,7 +1111,7 @@ static uint RoadFindPathToStop(const Vehicle *v, TileIndex tile)
assert(trackdir != 0xFF);
fstd.dest_coords = tile;
- fstd.station_index = -1; // indicates that the destination is a tile, not a station
+ fstd.station_index = INVALID_STAION; // indicates that the destination is a tile, not a station
return NPFRouteToStationOrTile(v->tile, trackdir, &fstd, TRANSPORT_ROAD, v->owner, INVALID_RAILTYPE).best_path_dist;
}