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(svn r3510) Fiddle with whitespace and parentheses

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This commit is contained in:
tron
2006-02-01 06:32:03 +00:00
parent f2c5567ab5
commit 9712d6f639
30 changed files with 379 additions and 405 deletions
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90
npf.c
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@@ -47,6 +47,7 @@ static uint NPFDistanceTrack(TileIndex t0, TileIndex t1)
return diagTracks * NPF_TILE_LENGTH + straightTracks * NPF_TILE_LENGTH * STRAIGHT_TRACK_LENGTH;
}
#if 0
static uint NTPHash(uint key1, uint key2)
{
@@ -70,7 +71,7 @@ static uint NPFHash(uint key1, uint key2)
assert(IsValidTrackdir(key2));
assert(IsValidTile(key1));
return ((((part1 << NPF_HASH_HALFBITS) | part2)) + (NPF_HASH_SIZE * key2 / TRACKDIR_END)) % NPF_HASH_SIZE;
return ((part1 << NPF_HASH_HALFBITS | part2) + (NPF_HASH_SIZE * key2 / TRACKDIR_END)) % NPF_HASH_SIZE;
}
static int32 NPFCalcZero(AyStar* as, AyStarNode* current, OpenListNode* parent)
@@ -116,15 +117,16 @@ 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 != -1)
to = CalcClosestStationTile(fstd->station_index, from);
if (as->user_data[NPF_TYPE] == TRANSPORT_ROAD)
if (as->user_data[NPF_TYPE] == TRANSPORT_ROAD) {
/* Since roads only have diagonal pieces, we use manhattan distance here */
dist = DistanceManhattan(from, to) * NPF_TILE_LENGTH;
else
} else {
/* Ships and trains can also go diagonal, so the minimum distance is shorter */
dist = NPFDistanceTrack(from, to);
}
DEBUG(npf, 4)("Calculating H for: (%d, %d). Result: %d", TileX(current->tile), TileY(current->tile), dist);
@@ -135,6 +137,7 @@ static int32 NPFCalcStationOrTileHeuristic(AyStar* as, AyStarNode* current, Open
return dist;
}
/* Fills AyStarNode.user_data[NPF_TRACKDIRCHOICE] with the chosen direction to
* get here, either getting it from the current choice or from the parent's
* choice */
@@ -147,11 +150,9 @@ static void NPFFillTrackdirChoice(AyStarNode* current, OpenListNode* parent)
current->user_data[NPF_TRACKDIR_CHOICE] = trackdir;
DEBUG(npf, 6)("Saving trackdir: %#x", trackdir);
} else {
/* We've already made the decision, so just save our parent's
* decision */
/* We've already made the decision, so just save our parent's decision */
current->user_data[NPF_TRACKDIR_CHOICE] = parent->path.node.user_data[NPF_TRACKDIR_CHOICE];
}
}
/* Will return the cost of the tunnel. If it is an entry, it will return the
@@ -191,7 +192,7 @@ static uint NPFSlopeCost(AyStarNode* current)
/* get the height of the center of the next tile */
z2 = GetSlopeZ(x+TILE_HEIGHT, y+TILE_HEIGHT);
if ((z2 - z1) > 1) {
if (z2 - z1 > 1) {
/* Slope up */
return _patches.npf_rail_slope_penalty;
}
@@ -263,12 +264,14 @@ static int32 NPFRoadPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
}
cost = NPF_TILE_LENGTH;
break;
case MP_STREET:
cost = NPF_TILE_LENGTH;
/* Increase the cost for level crossings */
if (IsLevelCrossing(tile))
cost += _patches.npf_crossing_penalty;
break;
default:
break;
}
@@ -307,22 +310,25 @@ static int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
}
/* Fall through if above if is false, it is a bridge
* then. We treat that as ordinary rail */
case MP_RAILWAY:
cost = _trackdir_length[trackdir]; /* Should be different for diagonal tracks */
break;
case MP_STREET: /* Railway crossing */
cost = NPF_TILE_LENGTH;
break;
case MP_STATION:
/* We give a station tile a penalty. Logically we would only
* want to give station tiles that are not our destination
* this penalty. This would discourage trains to drive through
* busy stations. But, we can just give any station tile a
* penalty, because every possible route will get this penalty
* exactly once, on its end tile (if it's a station) and it
* will therefore not make a difference. */
/* We give a station tile a penalty. Logically we would only want to give
* station tiles that are not our destination this penalty. This would
* discourage trains to drive through busy stations. But, we can just
* give any station tile a penalty, because every possible route will get
* this penalty exactly once, on its end tile (if it's a station) and it
* will therefore not make a difference. */
cost = NPF_TILE_LENGTH + _patches.npf_rail_station_penalty;
break;
default:
break;
}
@@ -340,11 +346,12 @@ static int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
/* Is this a presignal exit or combo? */
SignalType sigtype = GetSignalType(tile, TrackdirToTrack(trackdir));
if (sigtype == SIGTYPE_EXIT || sigtype == SIGTYPE_COMBO)
if (sigtype == SIGTYPE_EXIT || sigtype == SIGTYPE_COMBO) {
/* Penalise exit and combo signals differently (heavier) */
cost += _patches.npf_rail_firstred_exit_penalty;
else
} else {
cost += _patches.npf_rail_firstred_penalty;
}
}
/* Record the state of this signal */
NPFSetFlag(current, NPF_FLAG_LAST_SIGNAL_RED, true);
@@ -372,14 +379,12 @@ static int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
//TODO, with realistic acceleration, also the amount of straight track between
// curves should be taken into account, as this affects the speed limit.
/* Check for reverse in depot */
if (IsTileDepotType(tile, TRANSPORT_RAIL) && as->EndNodeCheck(as, &new_node) != AYSTAR_FOUND_END_NODE) {
/* Penalise any depot tile that is not the last tile in the path. This
* _should_ penalise every occurence of reversing in a depot (and only
* that) */
cost += _patches.npf_rail_depot_reverse_penalty;
}
/* Check for occupied track */
@@ -397,10 +402,11 @@ static int32 NPFFindDepot(AyStar* as, OpenListNode *current)
/* It's not worth caching the result with NPF_FLAG_IS_TARGET here as below,
* since checking the cache not that much faster than the actual check */
if (IsTileDepotType(tile, as->user_data[NPF_TYPE]))
if (IsTileDepotType(tile, as->user_data[NPF_TYPE])) {
return AYSTAR_FOUND_END_NODE;
else
} else {
return AYSTAR_DONE;
}
}
/* Will find a station identified using the NPFFindStationOrTileData */
@@ -446,14 +452,13 @@ static void NPFSaveTargetData(AyStar* as, OpenListNode* current)
*/
static bool VehicleMayEnterTile(Owner owner, TileIndex tile, DiagDirection enterdir)
{
if (
IsTileType(tile, MP_RAILWAY) /* Rail tile (also rail depot) */
|| IsTrainStationTile(tile) /* Rail station tile */
|| IsTileDepotType(tile, TRANSPORT_ROAD) /* Road depot tile */
|| IsRoadStationTile(tile) /* Road station tile */
|| IsTileDepotType(tile, TRANSPORT_WATER) /* Water depot tile */
)
if (IsTileType(tile, MP_RAILWAY) || /* Rail tile (also rail depot) */
IsTrainStationTile(tile) || /* Rail station tile */
IsTileDepotType(tile, TRANSPORT_ROAD) || /* Road depot tile */
IsRoadStationTile(tile) || /* Road station tile */
IsTileDepotType(tile, TRANSPORT_WATER)) { /* Water depot tile */
return IsTileOwner(tile, owner); /* You need to own these tiles entirely to use them */
}
switch (GetTileType(tile)) {
case MP_STREET:
@@ -461,6 +466,7 @@ static bool VehicleMayEnterTile(Owner owner, TileIndex tile, DiagDirection enter
if (IsLevelCrossing(tile) && GetCrossingTransportType(tile, TrackdirToTrack(DiagdirToDiagTrackdir(enterdir))) == TRANSPORT_RAIL)
return IsTileOwner(tile, owner); /* Railway needs owner check, while the street is public */
break;
case MP_TUNNELBRIDGE:
#if 0
/* OPTIMISATION: If we are on the middle of a bridge, we will not do the cpu
@@ -475,13 +481,13 @@ static bool VehicleMayEnterTile(Owner owner, TileIndex tile, DiagDirection enter
}
/* if we were on a railway middle part, we are now at a railway bridge ending */
#endif
if (
(_m[tile].m5 & 0xFC) == 0 /* railway tunnel */
|| (_m[tile].m5 & 0xC6) == 0x80 /* railway bridge ending */
|| ((_m[tile].m5 & 0xF8) == 0xE0 && GB(_m[tile].m5, 0, 1) != (enterdir & 0x1)) /* railway under bridge */
)
if ((_m[tile].m5 & 0xFC) == 0 || /* railway tunnel */
(_m[tile].m5 & 0xC6) == 0x80 || /* railway bridge ending */
((_m[tile].m5 & 0xF8) == 0xE0 && GB(_m[tile].m5, 0, 1) != (enterdir & 0x1))) { /* railway under bridge */
return IsTileOwner(tile, owner);
}
break;
default:
break;
}
@@ -510,7 +516,8 @@ static void NPFFollowTrack(AyStar* aystar, OpenListNode* current)
DEBUG(npf, 4)("Expanding: (%d, %d, %d) [%d]", TileX(src_tile), TileY(src_tile), src_trackdir, src_tile);
/* Find dest tile */
if (IsTileType(src_tile, MP_TUNNELBRIDGE) && GB(_m[src_tile].m5, 4, 4) == 0 &&
if (IsTileType(src_tile, MP_TUNNELBRIDGE) &&
GB(_m[src_tile].m5, 4, 4) == 0 &&
(DiagDirection)GB(_m[src_tile].m5, 0, 2) == src_exitdir) {
/* This is a tunnel. We know this tunnel is our type,
* otherwise we wouldn't have got here. It is also facing us,
@@ -525,16 +532,17 @@ static void NPFFollowTrack(AyStar* aystar, OpenListNode* current)
DiagDirection exitdir;
/* Find out the exit direction first */
if (IsRoadStationTile(src_tile))
if (IsRoadStationTile(src_tile)) {
exitdir = GetRoadStationDir(src_tile);
else /* Train or road depot. Direction is stored the same for both, in map5 */
} else { /* Train or road depot. Direction is stored the same for both, in map5 */
exitdir = GetDepotDirection(src_tile, type);
}
/* Let's see if were headed the right way into the depot, and reverse
* otherwise (only for trains, since only with trains you can
* (sometimes) reach tiles after reversing that you couldn't reach
* without reversing. */
if (src_trackdir == DiagdirToDiagTrackdir(ReverseDiagdir(exitdir)) && type == TRANSPORT_RAIL)
if (src_trackdir == DiagdirToDiagTrackdir(ReverseDiagdir(exitdir)) && type == TRANSPORT_RAIL) {
/* We are headed inwards. We can only reverse here, so we'll not
* consider this direction, but jump ahead to the reverse direction.
* It would be nicer to return one neighbour here (the reverse
@@ -543,6 +551,7 @@ static void NPFFollowTrack(AyStar* aystar, OpenListNode* current)
* the code layout is cleaner this way, we will just pretend we are
* reversed already */
src_trackdir = ReverseTrackdir(src_trackdir);
}
}
/* This a normal tile, a bridge, a tunnel exit, etc. */
dst_tile = AddTileIndexDiffCWrap(src_tile, TileIndexDiffCByDir(TrackdirToExitdir(src_trackdir)));
@@ -577,10 +586,11 @@ static void NPFFollowTrack(AyStar* aystar, OpenListNode* current)
if (type != TRANSPORT_WATER && (IsRoadStationTile(dst_tile) || IsTileDepotType(dst_tile, type))){
/* Road stations and road and train depots return 0 on GTTS, so we have to do this by hand... */
DiagDirection exitdir;
if (IsRoadStationTile(dst_tile))
if (IsRoadStationTile(dst_tile)) {
exitdir = GetRoadStationDir(dst_tile);
else /* Road or train depot */
} else { /* Road or train depot */
exitdir = GetDepotDirection(dst_tile, type);
}
/* Find the trackdirs that are available for a depot or station with this
* orientation. They are only "inwards", since we are reaching this tile
* from some other tile. This prevents vehicles driving into depots from
@@ -862,7 +872,7 @@ void NPFFillWithOrderData(NPFFindStationOrTileData* fstd, Vehicle* v)
* dest_tile, not just any stop of that station.
* So only for train orders to stations we fill fstd->station_index, for all
* others only dest_coords */
if ((v->current_order.type) == OT_GOTO_STATION && v->type == VEH_Train) {
if (v->current_order.type == OT_GOTO_STATION && v->type == VEH_Train) {
fstd->station_index = v->current_order.station;
/* Let's take the closest tile of the station as our target for trains */
fstd->dest_coords = CalcClosestStationTile(v->current_order.station, v->tile);