public void Init(TilePropagator propagator)
{
if (pathViewIsFresh)
{
pathViewIsFresh = false;
}
else
{
pathView = PathSpec.MakeView(propagator);
}
pathView.Init();
}
internal IPickHeuristic GetHeuristic(
IRandomPicker randomPicker,
Func <double> randomDouble,
TilePropagator propagator,
TileModelMapping tileModelMapping,
IPickHeuristic fallbackHeuristic)
{
pathView = PathSpec.MakeView(propagator);
pathViewIsFresh = true;
if (pathView is EdgedPathView epv)
{
return(new FollowPathHeuristic(
randomPicker, randomDouble, propagator, tileModelMapping, fallbackHeuristic, epv));
}
else
{
throw new NotImplementedException();
}
}
public PathView(PathSpec spec, TilePropagator propagator)
{
if (spec.TileRotation != null)
{
tiles = new HashSet <Tile>(spec.TileRotation.RotateAll(spec.Tiles));
endPointTiles = spec.RelevantTiles == null ? null : new HashSet <Tile>(spec.TileRotation.RotateAll(spec.RelevantTiles));
}
else
{
tiles = spec.Tiles;
endPointTiles = spec.RelevantTiles;
}
tileSet = propagator.CreateTileSet(tiles);
selectedTracker = propagator.CreateSelectedTracker(tileSet);
Graph = PathConstraintUtils.CreateGraph(propagator.Topology);
this.propagator = propagator;
CouldBePath = new bool[propagator.Topology.IndexCount];
MustBePath = new bool[propagator.Topology.IndexCount];
hasEndPoints = spec.RelevantCells != null || spec.RelevantTiles != null;
if (hasEndPoints)
{
CouldBeRelevant = new bool[propagator.Topology.IndexCount];
MustBeRelevant = new bool[propagator.Topology.IndexCount];
endPointIndices = spec.RelevantCells == null ? null :
spec.RelevantCells.Select(p => propagator.Topology.GetIndex(p.X, p.Y, p.Z)).ToList();
endPointTileSet = spec.RelevantTiles != null?propagator.CreateTileSet(endPointTiles) : null;
endPointSelectedTracker = spec.RelevantTiles != null?propagator.CreateSelectedTracker(endPointTileSet) : null;
}
else
{
CouldBeRelevant = CouldBePath;
MustBeRelevant = MustBePath;
endPointTileSet = tileSet;
}
}