/// <summary>Construct a new instance of extent <paramref name="sizeHexes"/> and
/// initialized using <paramref name="initializer"/>.</summary>
public BlockedBoardStorage32x32(HexSize sizeHexes, Func <HexCoords, T> initializer)
: base(sizeHexes)
{
backingStore = new List <List <List <T> > >((MapSizeHexes.Height + _buffer) / _grouping);
for (var y = 0; y < backingStore.Capacity; y++)
{
backingStore.Add(new List <List <T> >((MapSizeHexes.Width + _buffer) / _grouping));
for (var x = 0; x < backingStore[y].Capacity; x++)
{
backingStore[y].Add(new List <T>(_grouping * _grouping));
}
}
var result = Parallel.For(0, backingStore.Capacity, y => {
var boardRow = backingStore[y];
for (var x = 0; x < boardRow.Capacity; x++)
{
var boardCell = backingStore[y][x];
for (var i = 0; i < _grouping; i++)
{
for (var j = 0; j < _grouping; j++)
{
var coords = HexCoords.NewUserCoords(x * _grouping + j, y * _grouping + i);
boardCell.Add(IsOnboard(coords) ? initializer(coords) : default(T));
}
}
}
});
}
/// <summary>Return the coordinate vector of this hex in the User frame.</summary> public HexCoords CustomToUser(IntVector2D coords) => HexCoords.NewUserCoords(coords * MatrixUserToCustom);
/// <summary>Return the coordinate vector of this hex in the User frame.</summary>
public static HexCoords CustomToUser(this IntVector2D @this)
{
return(HexCoords.NewUserCoords(@this * MatrixUserToCustom));
}
/// <summary>By default, landmark all four corners and midpoints of all 4 sides.</summary>
/// <remarks>Pre-processing time on start-up can be reduced by decreasing the number of landmarks,
/// though at the possible expense of longer path-finding times.</remarks>
/// <param name="size"></param>
protected static IFastList <HexCoords> DefaultLandmarks(HexSize size)
{
return(new HexPoint[] { new HexPoint(0, 0),
new HexPoint(size.Width / 2, 0),
new HexPoint(size.Width - 1, 0),
new HexPoint(0, size.Height / 2),
new HexPoint(size.Width - 1, size.Height / 2),
new HexPoint(0, size.Height - 1),
new HexPoint(size.Width / 2, size.Height - 1),
new HexPoint(size.Width - 1, size.Height - 1) }.Select(p => HexCoords.NewUserCoords(p)).ToFastList());
}
/// <inheritdoc/>
public virtual Point ScrollPositionToCenterOnHex(HexCoords coordsNewCenterHex)
{
return(HexCenterPoint(HexCoords.NewUserCoords(
coordsNewCenterHex.User - (new IntVector2D(Host.VisibleRectangle.Size.User) / 2)
)));
}
/// <summary>Returns the scroll position to center a specified hex in viewport.</summary>
/// <param name="this"></param>
/// <param name="coordsNewCenterHex"><c>HexCoords</c> for the hex to be centered in viewport.</param>
/// <param name="visibleRectangle"></param>
/// <returns>Pixel coordinates in Client reference frame.</returns>
public static HexPoint ScrollPositionToCenterOnHex(this IHexgrid @this,
HexCoords coordsNewCenterHex, CoordsRectangle visibleRectangle)
=> @this.HexCenterPoint(HexCoords.NewUserCoords(coordsNewCenterHex.User - (visibleRectangle.Size.User / 2)));