/// <summary>
/// Initializes a new instance of the <see cref="EdgePartPosition" /> struct.
/// </summary>
/// <param name="part">The edge part.</param>
/// <param name="start">The part start position.</param>
/// <param name="end">The pert end position.</param>
/// <exception cref="System.ArgumentNullException"></exception>
public EdgePartPosition([NotNull] EdgePart part, Vector2 start, Vector2 end)
{
if (part == null) throw new ArgumentNullException(nameof(part));
Part = part;
Start = start;
End = end;
}
public static void SetAdjacent(
[NotNull] TileBase tileA,
[NotNull] EdgePart edgePartA,
[NotNull] TileBase tileB,
[NotNull] EdgePart edgePartB)
{
if (tileA == null)
{
throw new ArgumentNullException(nameof(tileA));
}
if (edgePartA == null)
{
throw new ArgumentNullException(nameof(edgePartA));
}
if (tileB == null)
{
throw new ArgumentNullException(nameof(tileB));
}
if (edgePartB == null)
{
throw new ArgumentNullException(nameof(edgePartB));
}
tileA._adjacentTiles[edgePartA] = tileB;
tileB._adjacentTiles[edgePartB] = tileA;
}
private TileBase CreateNewTile([NotNull] TileBase tile, [NotNull] EdgePart part)
{
Debug.Assert(tile != null, "tile != null");
Debug.Assert(part != null, "part != null");
// get adjacent part for the part with the tiles label
Labeled <EdgePart> adjacent;
if (!Definition.AdjacentParts.TryGetAdjacent(part.WithLabel(tile.Label), out adjacent))
{
throw new InvalidOperationException();
}
Debug.Assert(adjacent.Value != null, "adjacent.Value != null");
Tile adjTile;
if (!_tileByEdgePart.TryGetValue(adjacent.Value, out adjTile))
{
throw new InvalidOperationException();
}
Debug.Assert(adjTile != null, "adjTile != null");
// Create transformed tile
return(new TileInstance(
adjTile,
adjacent.Label,
adjTile.GetEdgePartPosition(adjacent.Value)
.GetTransformTo(tile.GetEdgePartPosition(part))));
}
/// <summary>
/// Initializes a new instance of the <see cref="AdjTiles" /> class.
/// </summary>
/// <param name="tileA">The tile a.</param>
/// <param name="partA">The part a.</param>
public AdjTiles([NotNull] TileBase tileA, [NotNull] EdgePart partA)
{
Debug.Assert(tileA != null, "tileA != null");
Debug.Assert(partA != null, "partA != null");
TileA = tileA;
PartA = partA;
}
/// <summary>
/// Initializes a new instance of the <see cref="EdgePartPosition" /> struct.
/// </summary>
/// <param name="part">The edge part.</param>
/// <param name="start">The part start position.</param>
/// <param name="end">The pert end position.</param>
/// <exception cref="System.ArgumentNullException"></exception>
public EdgePartPosition([NotNull] EdgePart part, Vector2 start, Vector2 end)
{
if (part == null)
{
throw new ArgumentNullException(nameof(part));
}
Part = part;
Start = start;
End = end;
}
public AdjTiles Add([NotNull] TileBase tile, [NotNull] EdgePart part)
{
if (TileB != null)
{
throw new InvalidOperationException("The tile has already been set.");
}
Debug.Assert(tile != null, "tile != null");
Debug.Assert(part != null, "part != null");
TileB = tile;
PartB = part;
TileBase.SetAdjacent(TileA, PartA, TileB, PartB);
return(this);
}
/// <summary>
/// Initializes a new instance of the <see cref="EdgePartShape" /> class.
/// </summary>
/// <param name="part">The part.</param>
/// <param name="edge">The edge.</param>
/// <param name="lines">The lines.</param>
public EdgePartShape([NotNull] EdgePart part, [NotNull] Edge edge, [NotNull] ShapeLines lines)
{
if (part == null)
{
throw new ArgumentNullException(nameof(part));
}
if (edge == null)
{
throw new ArgumentNullException(nameof(edge));
}
if (lines == null)
{
throw new ArgumentNullException(nameof(lines));
}
Part = part;
Edge = edge;
Lines = lines;
}
/// <summary>
/// Creates a new <see cref="EdgePartPosition" /> from an edge part, shape and transform.
/// </summary>
/// <param name="edgePart">The edge part.</param>
/// <param name="shape">The shape.</param>
/// <param name="transform">The transform.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="edgePart" /> or <paramref name="shape" /> was <see langword="null" />.
/// </exception>
public static EdgePartPosition Create([NotNull] EdgePart edgePart, [NotNull] Shape shape, Matrix3x2 transform)
{
if (edgePart == null)
{
throw new ArgumentNullException(nameof(edgePart));
}
if (shape == null)
{
throw new ArgumentNullException(nameof(shape));
}
Edge edge = shape.GetEdge(edgePart.EdgePattern.EdgeName);
Vector2 startPoint = edge.GetPointOnEdge(edgePart.StartAmount);
Vector2 endPoint = edge.GetPointOnEdge(edgePart.StartAmount + edgePart.Amount);
if (!transform.IsIdentity)
{
startPoint = Vector2.Transform(startPoint, transform);
endPoint = Vector2.Transform(endPoint, transform);
}
return(new EdgePartPosition(edgePart, startPoint, endPoint));
}
public EdgePartPosition GetEdgePartPosition([NotNull] EdgePart edgePart) => EdgePartPosition.Create(edgePart, Shape, Transform);
public static EdgePartPosition Create([NotNull] EdgePart edgePart, [NotNull] Shape shape) => Create(edgePart, shape, Matrix3x2.Identity);