public void AddToHand(TileView tile)
{
// Add the tile to the internal state tracking for the hand.
_tiles.Add(tile);
tile.Clicked += OnTileClicked;
// Make the tile object a child of the root object for the tiles in the
// player's hand.
tile.transform.SetParent(_handRoot, worldPositionStays: false);
// Re-layout the updated set of tiles in the player's hand.
var leftSide = _tiles.Count * -TileWidth * 0.5f;
foreach (var(index, tileObj) in _tiles.Enumerate())
{
tileObj.transform.localPosition = new Vector3(
leftSide + TileWidth * index,
0f,
0f);
}
}
public void MoveToDiscard(TileId id)
{
TileView discarded;
// Get the `TileView` object for the selected tile, either from the tiles
// in the player's hand or from the current draw.
var discardIndex = _tiles.FindIndex(tile => tile.Model.Id.Element0 == id.Element0);
if (discardIndex >= 0)
{
discarded = _tiles[discardIndex];
_tiles.RemoveAt(discardIndex);
}
else if (_currentDraw != null && _currentDraw.Model.Id.Element0 == id.Element0)
{
discarded = _currentDraw;
_currentDraw = null;
}
else
{
throw new ArgumentException($"Tile {id} is not in {Seat} player's hand");
}
// Add the discarded tile to the list of discards.
_discards.Add(discarded);
// Make the discarded tile a child of the root object for the discard pile,
// but keep its world position so that we can animate it from its current
// position to its target position int the discard pile.
discarded.transform.SetParent(_discardRoot, worldPositionStays: true);
// TODO: Actually do a tween. For now we'll immediately display the tile in
// the player's discards.
// Layout the discarded tiles in rows of 6 tiles.
var leftSide = TileWidth * -6 * 0.5f;
foreach (var(index, tile) in _discards.Enumerate())
{
int row = index / 6;
int col = index % 6;
tile.transform.localPosition = new Vector3(
leftSide + col * TileWidth,
0f,
-row * TileLength);
tile.transform.localRotation = Quaternion.identity;
}
// Remove the click handler so that we don't get click events from discarded
// tiles.
discarded.Clicked -= OnTileClicked;
// If we didn't discard the drawn tile, merge the drawn tile into the
// player's hand.
if (_currentDraw != null)
{
AddToHand(_currentDraw);
_currentDraw = null;
}
}
private void OnTileClicked(TileView clicked)
{
TileClicked?.Invoke(this, clicked.Model.Id);
}