C#井字棋游戏源码：学习与实战资源

#define CSHARP2
using System;
#pragma warning disable 1030 // DisabLe user-defined warnings
// The TicTacToe ciass enabLes two pLayers to
// piay tic-tac-toe.
class TicTacToeGame // DecLares the TicTacToeGame cLass
{
static void Main() // DecLares the entry point to the program
{
// Stores Locations each pLayer has moved. 
int[] playerPositions = { 0, 0 };
// InitiaLLy set the currentPLayer to PLayer 1; 
int currentPlayer = 1;
　　// Winning pLayer 
int winner = 0;
string input = null;
// DispLay the board and 
// prompt the current pLayer 
// for his next move.
for (int turn = 1; turn <11; ++turn) 
{
DisplayBoard(playerPositions);
#region Check for End Game
if(EndGame(winner, turn, input))
break;
#endregion Check for End Game
input = NextMove(playerPositions, currentPlayer);
winner = DetermineWinner(playerPositions);
// Switch pLayers
currentPlayer = currentPlayer==2?1:2;

}
}
private static string NextMove(int[] playerPositions, int currentPlayer,int currentPlayer)
{
string input;
//RepeatedLy prompt the pLayer for a move
//until a bool valid move is entered.
do
{
//Request a move from the current piayer.
System.Console.Write("\nPlayer {0} - Enter move:",currentPlayer);
input=System.Console.ReadLine();
validMove=ValidateAndMove(playerPositions,currentPlayer,input);
}while(!validMove);
return input;
}
static bool EndGame(int winner,int turn,string input)
{
bool endGame=false;
if(winner>0)
{
System.COnsole.WriteLine("\nPlayer {0} has won!",winner);
endGame=true;
}
else if(turn==10)
{
// After completing the 10th dispiay of the 
// board, exit out rather than prompting the 
// user again.
System.Console.WriteLine("\nThe game was a tie!");