// coroutine for switching tiles
IEnumerator SwitchedTilesRoutine(TileScript clickedTile, TileScript targetTile)
{
if (m_playerInputEnabled)
{
GamePiece clickedPiece = m_allGamePieces[clickedTile.xIndex, clickedTile.yIndex];
GamePiece targetPiece = m_allGamePieces[targetTile.xIndex, targetTile.yIndex];
if (targetPiece != null && clickedPiece != null)
{
// Swap clickedPiece transform with targetPiece
clickedPiece.Move(targetTile.xIndex, targetTile.yIndex, swapTime);
// Swap targetPiece transfrom with clickedPiece
targetPiece.Move(clickedTile.xIndex, clickedTile.yIndex, swapTime);
yield return(new WaitForSeconds(swapTime));
List <GamePiece> clickedPieceMatches = FindMatchesAt(clickedTile.xIndex, clickedTile.yIndex);
List <GamePiece> targetPieceMatches = FindMatchesAt(targetTile.xIndex, targetTile.yIndex);
List <GamePiece> colorMatches = new List <GamePiece>();
// Determine if one of the switched pieces was a colorBomb
// If colorBomb is clickedPiece match clickedPiece color
if (IsColorBomb(clickedPiece) && !IsColorBomb(targetPiece))
{
clickedPiece.matchValue = targetPiece.matchValue;
colorMatches = FindAllMatchValue(clickedPiece.matchValue);
}
// If colorBomb is targetPiece match targetPieces color
else if (IsColorBomb(targetPiece) && !IsColorBomb(clickedPiece))
{
targetPiece.matchValue = clickedPiece.matchValue;
colorMatches = FindAllMatchValue(targetPiece.matchValue);
}
// If both pieces are colorBombs search all gamePieces
// if not in colorMatches list add to list
else if (IsColorBomb(clickedPiece) && IsColorBomb(targetPiece))
{
foreach (GamePiece piece in m_allGamePieces)
{
if (!colorMatches.Contains(piece))
{
colorMatches.Add(piece);
}
}
}
// If no valid match has been made move pieces back to original location
if (targetPieceMatches.Count == 0 && targetPieceMatches.Count == 0 && colorMatches.Count == 0)
{
clickedPiece.Move(clickedTile.xIndex, clickedTile.yIndex, swapTime);
targetPiece.Move(targetTile.xIndex, targetTile.yIndex, swapTime);
}
else
{
// Deduct 1 from movesLeft
if (GameManager.Instance != null)
{
GameManager.Instance.movesLeft--;
GameManager.Instance.UpdateMoves();
}
yield return(new WaitForSeconds(swapTime));
// determine swapDirection for bomb placement
Vector2 swapDirection = new Vector2(targetTile.xIndex - clickedTile.xIndex, targetTile.yIndex - clickedTile.yIndex);
m_clickedTileBomb = DropBomb(clickedTile.xIndex, clickedTile.yIndex, swapDirection, clickedPieceMatches);
m_targetTileBomb = DropBomb(targetTile.xIndex, targetTile.yIndex, swapDirection, targetPieceMatches);
// Change the bombs sprite to match either the target piece or the clicked piece
if (m_clickedTileBomb != null && targetPiece != null)
{
// match the target piece
GamePiece clickedBomPiece = m_clickedTileBomb.GetComponent <GamePiece>();
if (!IsColorBomb(clickedBomPiece))
{
clickedBomPiece.ChangeSprite(targetPiece);
}
}
if (m_targetTileBomb != null && clickedPiece != null)
{
// match the clicked piece
GamePiece targetBombPiece = m_targetTileBomb.GetComponent <GamePiece>();
if (!IsColorBomb(targetBombPiece))
{
targetBombPiece.ChangeSprite(clickedPiece);
}
}
// Appends the lists colorMatches and TargetPieceMatches to clickedPieceMatches
ClearAndRefillBoard(clickedPieceMatches.Union(targetPieceMatches).ToList().Union(colorMatches).ToList());
}
}
}
}