use of bwem.tile.MiniTile in project BWAPI4J by OpenBW.
the class MapImpl method breadthFirstSearch.
public WalkPosition breadthFirstSearch(final WalkPosition start, final Pred findCond, final Pred visitCond, final boolean connect8) {
if (findCond.isTrue(getData().getMiniTile(start), start, this)) {
return start;
}
final List<WalkPosition> visited = new ArrayList<>();
final Queue<WalkPosition> toVisit = new ArrayDeque<>();
toVisit.add(start);
visited.add(start);
final WalkPosition[] dir8 = { new WalkPosition(-1, -1), new WalkPosition(0, -1), new WalkPosition(1, -1), new WalkPosition(-1, 0), new WalkPosition(1, 0), new WalkPosition(-1, 1), new WalkPosition(0, 1), new WalkPosition(1, 1) };
final WalkPosition[] dir4 = { new WalkPosition(0, -1), new WalkPosition(-1, 0), new WalkPosition(1, 0), new WalkPosition(0, 1) };
final WalkPosition[] directions = connect8 ? dir8 : dir4;
while (!toVisit.isEmpty()) {
final WalkPosition current = toVisit.remove();
for (final WalkPosition delta : directions) {
final WalkPosition next = current.add(delta);
if (getData().getMapData().isValid(next)) {
final MiniTile miniTile = getData().getMiniTile(next, CheckMode.NO_CHECK);
if (findCond.isTrue(miniTile, next, this)) {
return next;
}
if (visitCond.isTrue(miniTile, next, this) && !visited.contains(next)) {
toVisit.add(next);
visited.add(next);
}
}
}
}
// bwem_assert(false);
throw new IllegalStateException();
// return start;
}
use of bwem.tile.MiniTile in project BWAPI4J by OpenBW.
the class MapImpl method onBlockingNeutralDestroyed.
public void onBlockingNeutralDestroyed(Neutral pBlocking) {
// bwem_assert(pBlocking && pBlocking->blocking());
if (!(pBlocking != null && pBlocking.isBlocking())) {
throw new IllegalArgumentException();
}
for (Area pArea : pBlocking.getBlockedAreas()) for (ChokePoint cp : pArea.getChokePoints()) {
((ChokePointImpl) cp).onBlockingNeutralDestroyed(pBlocking);
}
if (getData().getTile(pBlocking.getTopLeft()).getNeutral() != null) {
// there remains some blocking Neutrals at the same location
return;
}
// Unblock the miniTiles of pBlocking:
AreaId newId = pBlocking.getBlockedAreas().iterator().next().getId();
WalkPosition pBlockingW = pBlocking.getSize().toWalkPosition();
for (int dy = 0; dy < pBlockingW.getY(); ++dy) for (int dx = 0; dx < pBlockingW.getX(); ++dx) {
MiniTile miniTile = ((AdvancedDataInitializer) getData()).getMiniTile_(pBlocking.getTopLeft().toWalkPosition().add(new WalkPosition(dx, dy)));
if (miniTile.isWalkable()) {
((MiniTileImpl) miniTile).replaceBlockedAreaId(newId);
}
}
// Unblock the Tiles of pBlocking:
for (int dy = 0; dy < pBlocking.getSize().getY(); ++dy) for (int dx = 0; dx < pBlocking.getSize().getX(); ++dx) {
((TileImpl) ((AdvancedDataInitializer) getData()).getTile_(pBlocking.getTopLeft().add(new TilePosition(dx, dy)))).resetAreaId();
setAreaIdInTile(pBlocking.getTopLeft().add(new TilePosition(dx, dy)));
}
if (automaticPathUpdate()) {
getGraph().computeChokePointDistanceMatrix();
}
}
use of bwem.tile.MiniTile in project BWAPI4J by OpenBW.
the class PairGenericMiniTileAltitudeComparatorTest method testPairGenericMiniTileAltitudeComparator.
@Test
public void testPairGenericMiniTileAltitudeComparator() {
final List<MutablePair<WalkPosition, MiniTile>> list = new ArrayList<>();
final MiniTile m1 = new MiniTileImpl();
((MiniTileImpl) m1).setAreaId(new AreaId(2));
((MiniTileImpl) m1).setAltitude(new Altitude(5));
final MiniTile m2 = new MiniTileImpl();
((MiniTileImpl) m2).setAreaId(new AreaId(1));
((MiniTileImpl) m2).setAltitude(new Altitude(2));
final MiniTile m3 = new MiniTileImpl();
((MiniTileImpl) m3).setAreaId(new AreaId(3));
((MiniTileImpl) m3).setAltitude(new Altitude(7));
final MiniTile m4 = new MiniTileImpl();
((MiniTileImpl) m4).setAreaId(new AreaId(5));
((MiniTileImpl) m4).setAltitude(new Altitude(1));
final MiniTile m5 = new MiniTileImpl();
((MiniTileImpl) m5).setAreaId(new AreaId(4));
((MiniTileImpl) m5).setAltitude(new Altitude(8));
list.add(new MutablePair<>(new WalkPosition(5, 15), m1));
list.add(new MutablePair<>(new WalkPosition(2, 98), m2));
list.add(new MutablePair<>(new WalkPosition(63, 123), m3));
list.add(new MutablePair<>(new WalkPosition(103, 435), m4));
list.add(new MutablePair<>(new WalkPosition(89, 77), m5));
// Sort by descending order.
Collections.sort(list, new PairGenericMiniTileAltitudeComparator<>());
Collections.reverse(list);
Assert.assertEquals(new MutablePair<>(new WalkPosition(89, 77), m5), list.get(0));
Assert.assertEquals(new MutablePair<>(new WalkPosition(63, 123), m3), list.get(1));
Assert.assertEquals(new MutablePair<>(new WalkPosition(5, 15), m1), list.get(2));
Assert.assertEquals(new MutablePair<>(new WalkPosition(2, 98), m2), list.get(3));
Assert.assertEquals(new MutablePair<>(new WalkPosition(103, 435), m4), list.get(4));
}
use of bwem.tile.MiniTile in project BWAPI4J by OpenBW.
the class Graph method getNearestArea.
public Area getNearestArea(final WalkPosition walkPosition) {
final Area area = getArea(walkPosition);
if (area != null) {
return area;
}
final WalkPosition w = getMap().breadthFirstSearch(walkPosition, // findCond
args -> {
final Object ttile = args[0];
if (ttile instanceof MiniTile) {
final MiniTile miniTile = (MiniTile) ttile;
return (miniTile.getAreaId().intValue() > 0);
} else {
throw new IllegalArgumentException();
}
}, // visitCond
args -> true);
return getArea(w);
}
use of bwem.tile.MiniTile in project BWAPI4J by OpenBW.
the class Graph method createChokePoints.
// ----------------------------------------------------------------------
// //////////////////////////////////////////////////////////////////////
// Creates a new Area for each pair (top, miniTiles) in AreasList (See Area::top() and Area::miniTiles())
public void createChokePoints(final List<StaticBuilding> staticBuildings, final List<Mineral> minerals, final List<MutablePair<MutablePair<AreaId, AreaId>, WalkPosition>> rawFrontier) {
Index newIndex = new Index(0);
final List<Neutral> blockingNeutrals = new ArrayList<>();
for (final StaticBuilding s : staticBuildings) {
if (s.isBlocking()) {
blockingNeutrals.add(s);
}
}
for (final Mineral m : minerals) {
if (m.isBlocking()) {
blockingNeutrals.add(m);
}
}
// Note: pseudoChokePointsToCreate is only used for pre-allocating the GetChokePoints array size.
// This number will highly likely be very small. There is no reason to set a minimum size.
// int pseudoChokePointsToCreate = 0;
// for (final Neutral blockingNeutral : blockingNeutrals) {
// if (blockingNeutral.getNextStacked() == null) {
// ++pseudoChokePointsToCreate;
// }
// }
// 1) size the matrix
initializeChokePointsMatrix(this.chokePointsMatrix, getAreaCount());
// 2) Dispatch the global raw frontier between all the relevant pairs of areas:
final java.util.Map<MutablePair<AreaId, AreaId>, List<WalkPosition>> rawFrontierByAreaPair = createRawFrontierByAreaPairMap(rawFrontier);
// 3) For each pair of areas (A, B):
for (final java.util.Map.Entry<MutablePair<AreaId, AreaId>, List<WalkPosition>> entry : rawFrontierByAreaPair.entrySet()) {
MutablePair<AreaId, AreaId> rawleft = entry.getKey();
final List<WalkPosition> rawFrontierAB = entry.getValue();
// Because our dispatching preserved order,
// and because Map::m_RawFrontier was populated in descending order of the altitude (see Map::computeAreas),
// we know that rawFrontierAB is also ordered the same way, but let's check it:
{
final List<Altitude> altitudes = new ArrayList<>();
for (final WalkPosition w : rawFrontierAB) {
altitudes.add(getMap().getData().getMiniTile(w).getAltitude());
}
// bwem_assert(is_sorted(altitudes.rbegin(), altitudes.rend()));
for (int i = 1; i < altitudes.size(); ++i) {
final int prev = altitudes.get(i - 1).intValue();
final int curr = altitudes.get(i).intValue();
if (prev < curr) {
throw new IllegalStateException();
}
}
}
// 3.1) Use that information to efficiently cluster rawFrontierAB in one or several chokepoints.
// Each cluster will be populated starting with the center of a chokepoint (max altitude)
// and finishing with the ends (min altitude).
final int clusterMinDist = (int) Math.sqrt(BwemExt.lake_max_miniTiles);
final List<List<WalkPosition>> clusters = new ArrayList<>();
for (final WalkPosition w : rawFrontierAB) {
boolean added = false;
for (final List<WalkPosition> cluster : clusters) {
final int distToFront = BwemExt.queenWiseDist(cluster.get(0), w);
final int distToBack = BwemExt.queenWiseDist(cluster.get(cluster.size() - 1), w);
if (Math.min(distToFront, distToBack) <= clusterMinDist) {
if (distToFront < distToBack) {
cluster.add(0, w);
} else {
cluster.add(w);
}
added = true;
break;
}
}
if (!added) {
final List<WalkPosition> list = new ArrayList<>();
list.add(w);
clusters.add(list);
}
}
// 3.2) Create one Chokepoint for each cluster:
final AreaId a = rawleft.getLeft();
final AreaId b = rawleft.getRight();
// getChokePoints(a, b).reserve(clusters.size() + pseudoChokePointsToCreate);
for (final List<WalkPosition> cluster : clusters) {
getChokePoints(a, b).add(new ChokePointImpl(this, newIndex, getArea(a), getArea(b), cluster));
newIndex = newIndex.add(1);
}
}
// 4) Create one Chokepoint for each pair of blocked areas, for each blocking Neutral:
for (final Neutral blockingNeutral : blockingNeutrals) {
if (blockingNeutral.getNextStacked() == null) {
// in the case where several neutrals are stacked, we only consider the top
final List<Area> blockedAreas = blockingNeutral.getBlockedAreas();
for (final Area blockedAreaA : blockedAreas) for (final Area blockedAreaB : blockedAreas) {
if (blockedAreaB.equals(blockedAreaA)) {
// breaks symmetry
break;
}
final WalkPosition center = getMap().breadthFirstSearch(blockingNeutral.getCenter().toWalkPosition(), // findCond
args -> {
Object ttile = args[0];
if (!(ttile instanceof MiniTile)) {
throw new IllegalArgumentException();
}
MiniTile miniTile = (MiniTile) ttile;
return miniTile.isWalkable();
}, // visitCond
args -> true);
final List<WalkPosition> list = new ArrayList<>();
list.add(center);
getChokePoints(blockedAreaA, blockedAreaB).add(new ChokePointImpl(this, newIndex, blockedAreaA, blockedAreaB, list, blockingNeutral));
newIndex = newIndex.add(1);
}
}
}
// 5) Set the references to the freshly created Chokepoints:
for (int loopA = 1; loopA <= getAreaCount(); ++loopA) for (int loopB = 1; loopB < loopA; ++loopB) {
final AreaId a = new AreaId(loopA);
final AreaId b = new AreaId(loopB);
if (!getChokePoints(a, b).isEmpty()) {
((AreaInitializer) getArea(a)).addChokePoints(getArea(b), getChokePoints(a, b));
((AreaInitializer) getArea(b)).addChokePoints(getArea(a), getChokePoints(a, b));
this.chokePoints.addAll(getChokePoints(a, b));
}
}
}
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