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(svn r3750) Use INVALID_STATION instead of -1 in NPF

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tron 2006-03-03 20:54:54 +00:00
parent 4ebaa55fe1
commit 08720b6fd7
3 changed files with 7 additions and 6 deletions
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8
npf.c
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@ -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 = ⌖
/* 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;
}
}

3
npf.h
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@ -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[] */

2
roadveh_cmd.c
View File

@ -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;
}