The GameBoard class

Now that we have a way to represent pieces in memory, the next logical step is to create a way to represent an entire board of playing pieces.

The game board is a two-dimensional array of GamePiece objects, and we can build in some additional functionality to allow our code to interact with pieces on the game board by their X and Y coordinates.

The GameBoard class needs to:

  • Store a GamePiece object for each square on the game board
  • Provide methods for code using the GameBoard to update individual pieces by passing calls through to the underlying GamePiece instances
  • Randomly assign a piece type to a GamePiece
  • Set and clear the "Filled with water" flags on individual GamePieces
  • Determine which pipes should be filled with water based on their position and orientation and mark them as filled
  • Return lists of potentially scoring water chains to code using the GameBoard
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