protected void LookupMatchingColors(Match3BoardPiece startPiece, LookupDirection lookupDir)
{
int lookupOffset = (int)lookupDir;
int numPatterns = baseLookupPattern.GetLength(0);
for (int i = 0; i < numPatterns; i++)
{
Match3BoardPiece.LinkType lookupDirA = (Match3BoardPiece.LinkType)((int)baseLookupPattern[i, 0] + lookupOffset);
Match3BoardPiece.LinkType lookupDirB = (Match3BoardPiece.LinkType)((int)baseLookupPattern[i, 1] + lookupOffset);
ignoreCount = AddToIgnoreList(GetMatchingColorBetweenDirections(startPiece, lookupDirA, lookupDirB));
}
}
/// <summary>
/// Find the neighbor pieces of the specified "currentPiece" in the direction "direction" that match between them.
/// This method is called by <see cref="ProcessBoardPiece(AbstractBoardPiece boardPiece)"/>.
/// </summary>
/// <returns>
/// The neighbor pieces for.
/// </returns>
/// <param name='currentPiece'>
/// If set to <c>true</c> current piece.
/// </param>
/// <param name='direction'>
/// If set to <c>true</c> direction.
/// </param>
protected bool FindMatchingNeighborPiecesFor(Match3BoardPiece currentPiece, Match3BoardPiece.LinkType direction)
{
Match3BoardPiece prevPiece = null;
// // Reference to the piece who's neighbors we're about to process.
// Match3BoardPiece originPiece = currentPiece;
// Look at the next 2 neighbors in the specified "direction".
for (int i = 0; i < 2; i++)
{
currentPiece = currentPiece.GetNeighbor(direction);
// If this board piece is invalid or contains an invalid tile, stop the current neighbor lookup for the "currentPiece"
// but continue the search with the next board pieces.
if (currentPiece == null || currentPiece.Tile == null || currentPiece.Tile.IsDestroying || (currentPiece.Tile as NormalTile).IsTileSwitching ||
(currentPiece.Tile as NormalTile).IsFrozen() || !(currentPiece.Tile as Match3Tile).CanBeMatched && !(currentPiece.Tile is TriggerTile) ||
(currentPiece.Tile is TriggerTile) && !currentPiece.Tile.IsUserMoveable)
{
return(true);
}
Match3Tile currentTile = currentPiece.Tile as Match3Tile;
if (prevPiece != null)
{
Match3Tile prevTile = prevPiece.Tile as Match3Tile;
if (prevTile.IsMatchWith(currentTile))
{
// Add this tile because it matches the previous one.
AddNewPossibleMatchTile(currentTile);
if (HasFoundPossibleMatchForColor(currentTile.TileColor))
{
// Stop looking for other possible matches.
return(false);
}
}
}
else
{
// int lastTriggerTileIdx = triggerTileMatchFound.Count - 1;
// if (lastTriggerTileIdx >= 0 && triggerTileMatchFound[lastTriggerTileIdx] is ColorBombTile) {
// Debug.LogWarning("[PossibleMatchesFinder] originalPiece = " + originalPiece + "\n -> search direction: " + direction + "\n -> " + " currentTile = " + currentTile);
// }
// Add this tile to the partial matches buffer because it's the first one
AddNewPossibleMatchTile(currentTile);
if (HasFoundPossibleMatchForColor(currentTile.TileColor))
{
// Stop looking for other possible matches.
return(false);
}
}
prevPiece = currentPiece;
}
// Can continue to the next board piece.
return(true);
}
protected TileColorType GetMatchingColorBetweenDirections(Match3BoardPiece startPiece, Match3BoardPiece.LinkType dirA, Match3BoardPiece.LinkType dirB)
{
Match3BoardPiece pieceDirA = startPiece.GetNeighbor(dirA);
Match3BoardPiece pieceDirB = null;
if (dirA != dirB)
{
pieceDirB = startPiece.GetNeighbor(dirB);
}
else if (pieceDirA != null)
{
pieceDirB = pieceDirA.GetNeighbor(dirA);
}
if (pieceDirA != null && pieceDirB != null)
{
Match3Tile tileDirA = pieceDirA.Tile as Match3Tile;
Match3Tile tileDirB = pieceDirB.Tile as Match3Tile;
if (tileDirA != null && tileDirB != null && tileDirA.CanBeMatched && tileDirB.CanBeMatched && tileDirA.IsMatchWith(tileDirB))
{
return(tileDirA.TileColor);
}
}
return(TileColorType.None);
}
