# Package com.threerings.puzzle.drop.util

Interface Summary
PieceDestroyer.DestroyLogic: An interface to be implemented by specific puzzles to detail the parameters and methodology by which pieces are destroyed in the puzzle board.
PieceDropLogic: An interface to be implemented by games that would like to be able to drop their pieces during game play.
PieceDropper.DropObserver: Called to inform a drop observer that a piece has been dropped.

Class Summary
DropBoardUtil
DropGameUtil: Drop puzzle game related utilities.
PieceDestroyer: Handles destroying contiguous piece segments in a drop board.
PieceDropper: Handles dropping pieces in a board.
PieceDropper.PieceDropInfo: A class to hold information detailing the pieces to be dropped in a particular column.