TicTacToe.java

public class TicTacToe
{
	protected enum StateType
	{
		kUninitialized,
		kDestroyed,
		kEnd,
		kOsTurn,
		kXsTurn,
	};

	protected StateType mState = StateType.kUninitialized;

	protected boolean EnterAskPlayAgain()
	{
	}

	protected void EnterClearBoard()
	{
	}

	protected void EnterDestroyed()
	{
	}

	protected boolean EnterDidAnyoneWin()
	{
	}

	protected boolean EnterDidXWin()
	{
	}

	protected void EnterEnd()
	{
	}

	protected boolean EnterIsBoardFull()
	{
	}

	protected void EnterOsTurn()
	{
	}

	protected void EnterPrintDraw()
	{
	}

	protected void EnterPrintXWon()
	{
	}

	protected void EnterPrintYWon()
	{
	}

	protected void EnterStart()
	{
	}

	protected boolean EnterWillXStart()
	{
	}

	protected boolean EnterXPlaysNext()
	{
	}

	protected void EnterXsTurn()
	{
	}

	protected void OnConstruct()
	{
		assert(mState == StateType.kUninitialized);

		if (mState == StateType.kUninitialized)
		{
			EnterStart();
			EnterClearBoard();

			if (EnterWillXStart())
			{
				mState = StateType.kXsTurn;

				EnterXsTurn();
			}
			else
			{
				mState = StateType.kOsTurn;

				EnterOsTurn();
			}
		}
	}

	protected void OnDestruct()
	{
		assert(mState == StateType.kEnd || mState == StateType.kOsTurn || mState == StateType.kXsTurn);

		switch (mState)
		{
			case kEnd:
			case kOsTurn:
			case kXsTurn:
				mState = StateType.kDestroyed;

				EnterDestroyed();
				break;

			default:
				break;
		}
	}

	protected void OnPickSquare()
	{
		assert(mState == StateType.kOsTurn || mState == StateType.kXsTurn);

		switch (mState)
		{
			case kOsTurn:
				if (EnterDidAnyoneWin())
				{
					if (EnterDidXWin())
					{
						EnterPrintXWon();

						if (EnterAskPlayAgain())
						{
							EnterClearBoard();

							if (EnterWillXStart())
							{
								mState = StateType.kXsTurn;

								EnterXsTurn();
							}
							else
							{
								EnterOsTurn();
							}
						}
						else
						{
							mState = StateType.kEnd;

							EnterEnd();
						}
					}
					else
					{
						EnterPrintYWon();

						if (EnterAskPlayAgain())
						{
							EnterClearBoard();

							if (EnterWillXStart())
							{
								mState = StateType.kXsTurn;

								EnterXsTurn();
							}
							else
							{
								EnterOsTurn();
							}
						}
						else
						{
							mState = StateType.kEnd;

							EnterEnd();
						}
					}
				}
				else
				{
					if (EnterIsBoardFull())
					{
						EnterPrintDraw();

						if (EnterAskPlayAgain())
						{
							EnterClearBoard();

							if (EnterWillXStart())
							{
								mState = StateType.kXsTurn;

								EnterXsTurn();
							}
							else
							{
								EnterOsTurn();
							}
						}
						else
						{
							mState = StateType.kEnd;

							EnterEnd();
						}
					}
					else
					{
						if (EnterXPlaysNext())
						{
							mState = StateType.kXsTurn;

							EnterXsTurn();
						}
						else
						{
							EnterOsTurn();
						}
					}
				}
				break;

			case kXsTurn:
				if (EnterDidAnyoneWin())
				{
					if (EnterDidXWin())
					{
						EnterPrintXWon();

						if (EnterAskPlayAgain())
						{
							EnterClearBoard();

							if (EnterWillXStart())
							{
								EnterXsTurn();
							}
							else
							{
								mState = StateType.kOsTurn;

								EnterOsTurn();
							}
						}
						else
						{
							mState = StateType.kEnd;

							EnterEnd();
						}
					}
					else
					{
						EnterPrintYWon();

						if (EnterAskPlayAgain())
						{
							EnterClearBoard();

							if (EnterWillXStart())
							{
								EnterXsTurn();
							}
							else
							{
								mState = StateType.kOsTurn;

								EnterOsTurn();
							}
						}
						else
						{
							mState = StateType.kEnd;

							EnterEnd();
						}
					}
				}
				else
				{
					if (EnterIsBoardFull())
					{
						EnterPrintDraw();

						if (EnterAskPlayAgain())
						{
							EnterClearBoard();

							if (EnterWillXStart())
							{
								EnterXsTurn();
							}
							else
							{
								mState = StateType.kOsTurn;

								EnterOsTurn();
							}
						}
						else
						{
							mState = StateType.kEnd;

							EnterEnd();
						}
					}
					else
					{
						if (EnterXPlaysNext())
						{
							EnterXsTurn();
						}
						else
						{
							mState = StateType.kOsTurn;

							EnterOsTurn();
						}
					}
				}
				break;

			default:
				break;
		}
	}

	public TicTacToe()
	{
		mState = StateType.kUninitialized;

		OnConstruct();
	}

	public void finalize() throws Throwable
	{
		OnDestruct();
		
		super.finalize();
	}
};