public void MoveRight()
{
var index = rightIndex;
_mp = index.Item1;
_dir = index.Item2;
_cw = index.Item3;
}
public void MoveLeft()
{
var index = leftIndex;
_mp = index.Item1;
_dir = index.Item2;
_cw = index.Item3;
}
private void handleEdges()
{
if (_grid.Size == 1)
{
_ips[_activeIp] = new PointAxial(0, 0);
return;
}
var x = coords.Q;
var z = coords.R;
var y = -x - z;
if (Ut.Max(Math.Abs(x), Math.Abs(y), Math.Abs(z)) < _grid.Size)
{
return;
}
var xBigger = Math.Abs(x) >= _grid.Size;
var yBigger = Math.Abs(y) >= _grid.Size;
var zBigger = Math.Abs(z) >= _grid.Size;
// Move the pointer back to the hex near the edge
_ips[_activeIp] -= dir.Vector;
// If two values are still in range, we are wrapping around an edge (not a corner).
if (!xBigger && !yBigger)
{
_ips[_activeIp] = new PointAxial(coords.Q + coords.R, -coords.R);
}
else if (!yBigger && !zBigger)
{
_ips[_activeIp] = new PointAxial(-coords.Q, coords.Q + coords.R);
}
else if (!zBigger && !xBigger)
{
_ips[_activeIp] = new PointAxial(-coords.R, -coords.Q);
}
else
{
// If two values are out of range, we navigated into a corner.
// We teleport to a location that depends on the current memory value.
var isPositive = _memory.Get() > 0;
if ((!xBigger && !isPositive) || (!yBigger && isPositive))
{
_ips[_activeIp] = new PointAxial(coords.Q + coords.R, -coords.R);
}
else if ((!yBigger && !isPositive) || (!zBigger && isPositive))
{
_ips[_activeIp] = new PointAxial(-coords.Q, coords.Q + coords.R);
}
else if ((!zBigger && !isPositive) || (!xBigger && isPositive))
{
_ips[_activeIp] = new PointAxial(-coords.R, -coords.Q);
}
}
}
private Tuple <int, int> axial_to_index(PointAxial coords)
{
var x = coords.Q;
var z = coords.R;
var y = -x - z;
if (Ut.Max(Math.Abs(x), Math.Abs(y), Math.Abs(z)) >= Size)
{
return(null);
}
var i = z + Size - 1;
var j = x + Math.Min(i, Size - 1);
return(Tuple.Create(i, j));
}
public char this[PointAxial coords]
{
get
{
var tup = axial_to_index(coords);
return(tup == null ? '.' : _grid[tup.Item1][tup.Item2]);
}
set
{
var tup = axial_to_index(coords);
if (tup != null)
{
_grid[tup.Item1][tup.Item2] = value;
}
}
}
public Position GetPosition(PointAxial coords)
{
var tup = axial_to_index(coords);
return(tup == null ? _endPos : _gridPositions[tup.Item1][tup.Item2]);
}
public Bitmap DrawBitmap(HexagonySettings settings, Font defaultValueFont, Font defaultAnnotationFont)
{
var getX = Ut.Lambda((Direction dir, PointAxial coords) => 4 * coords.Q + 2 * coords.R + (dir is East ? 1 : 0));
var getY = Ut.Lambda((Direction dir, PointAxial coords) => 2 * coords.R + (dir is NorthEast ? 0 : dir is East ? 1 : 2));
int minX = getX(_dir, _mp), maxX = minX;
int minY = getY(_dir, _mp), maxY = minY;
foreach (var kvp1 in _edges)
{
foreach (var kvp2 in kvp1.Value)
{
var x = getX(kvp1.Key, kvp2.Key);
var y = getY(kvp1.Key, kvp2.Key);
minX = Math.Min(minX, x); minY = Math.Min(minY, y);
maxX = Math.Max(maxX, x); maxY = Math.Max(maxY, y);
}
}
foreach (var kvp1 in _annotations)
{
foreach (var kvp2 in kvp1.Value)
{
var x = getX(kvp1.Key, kvp2.Key);
var y = getY(kvp1.Key, kvp2.Key);
minX = Math.Min(minX, x); minY = Math.Min(minY, y);
maxX = Math.Max(maxX, x); maxY = Math.Max(maxY, y);
}
}
minX -= 3; minY -= 3; maxX += 3; maxY += 3;
const int xFactor = 20, yFactor = 34;
return(GraphicsUtil.DrawBitmap((maxX - minX) * xFactor, (maxY - minY) * yFactor, g =>
{
g.Clear(settings.MemoryBackgroundColor);
using (var unusedEdgePen = new Pen(settings.MemoryGridZeroColor))
using (var usedEdgePen = new Pen(settings.MemoryGridNonZeroColor, 2f))
using (var pointerBrush = new SolidBrush(settings.MemoryPointerColor))
using (var valueBrush = new SolidBrush(settings.MemoryValueFont.NullOr(f => f.Color) ?? Color.CornflowerBlue))
using (var annotationBrush = new SolidBrush(settings.MemoryAnnotationFont.NullOr(f => f.Color) ?? Color.ForestGreen))
using (var valueFont = settings.MemoryValueFont.NullOr(f => f.Font))
using (var annotationFont = settings.MemoryAnnotationFont.NullOr(f => f.Font))
{
var sfValue = new StringFormat {
Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Near
};
var sfAnnotation = new StringFormat {
Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Far
};
for (int y = minY; y <= maxY; y++)
{
for (int x = minX; x <= maxX; x++)
{
if (!((y % 2 == 0 && x % 2 == 0) ||
((y % 4 + 4) % 4 == 1 && (x % 4 + 4) % 4 == 1) ||
((y % 4 + 4) % 4 == 3 && (x % 4 + 4) % 4 == 3)))
{
continue;
}
var dir = Direction.East;
var mp = new PointAxial(0, 0);
if (y % 2 != 0)
{
dir = Direction.East;
mp = new PointAxial((x - y) / 4, (y - 1) / 2);
}
else if ((x - y) % 4 == 0)
{
dir = Direction.NorthEast;
mp = new PointAxial((x - y) / 4, y / 2);
}
else
{
dir = Direction.SouthEast;
mp = new PointAxial((x - y + 2) / 4, (y - 2) / 2);
}
var xx = (x - minX) * xFactor;
var yy = (y - minY) * yFactor;
var hasValue = _edges.ContainsKeys(dir, mp);
using (var tr = new GraphicsTransformer(g).Rotate((dir is NorthEast ? -60 : dir is SouthEast ? 60 : 0) + (_cw ? 180 : 0)).Translate(xx, yy))
{
g.DrawLine(hasValue ? usedEdgePen : unusedEdgePen, 0, yFactor * -.68f, 0, yFactor * .68f);
if (dir == _dir && mp == _mp)
{
g.FillPolygon(pointerBrush,
new[] { new PointF(0, yFactor * -.68f), new PointF(3, yFactor * .68f), new PointF(-3, yFactor * .68f) });
}
}
using (var tr = new GraphicsTransformer(g).Rotate((dir is NorthEast ? 30 : dir is SouthEast ? -30 : -90)).Translate(xx, yy))
{
if (hasValue)
{
var str = _edges[dir][mp].ToString();
// Show printable ISO-8859-1 characters
if (_edges[dir][mp] >= 0x20 && _edges[dir][mp] <= 0xff && _edges[dir][mp] != 0x7f)
{
try { str += " '" + char.ConvertFromUtf32((int)_edges[dir][mp]) + "'"; }
catch { }
}
g.DrawString(str, valueFont ?? defaultValueFont, valueBrush, 0, 0, sfValue);
}
var annotation = _annotations.Get(dir, mp, null);
if (!string.IsNullOrWhiteSpace(annotation))
{
g.DrawString(annotation, annotationFont ?? defaultAnnotationFont, annotationBrush, 0, 2, sfAnnotation);
}
}
}
}
}
}));
}
