using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace TicTac
{
public class FTicTac : System.Windows.Forms.Form
{
private int[] m_nGameGrid;
private int m_nNextChar;
private Rectangle[] m_rcSquares;
private const int EX = 1;
private const int OH = 2;
private bool m_bDoubleClick = false;
private System.ComponentModel.Container
components = null;
public FTicTac()
{
InitializeComponent();
m_nNextChar = EX;
m_nGameGrid = new int[9];
m_rcSquares = new Rectangle[9];
Size size = new Size( 96, 96 );
for( int j = 0 ; j <>
{
m_rcSquares[j].Size = size;
}
m_rcSquares[0].Offset( 16, 16 );
m_rcSquares[1].Offset( 128, 16 );
m_rcSquares[2].Offset( 240, 16 );
m_rcSquares[3].Offset( 16, 128 );
m_rcSquares[4].Offset( 128, 128 );
m_rcSquares[5].Offset( 240, 128 );
m_rcSquares[6].Offset( 16, 240 );
m_rcSquares[7].Offset( 128, 240 );
m_rcSquares[8].Offset( 240, 240 );
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Name = "FTicTac";
this.Text = "Tic Tac Toe";
}
#endregion
[STAThread] static void Main()
{
Application.Run(new FTicTac());
}
protected override void OnMouseDown( MouseEventArgs e )
{
switch( e.Button )
{
case MouseButtons.Left:
OnLButtonDown( new Point( e.X, e.Y ) );
break;
case MouseButtons.Right:
OnRButtonDown( new Point( e.X, e.Y ) );
break;
}
base.OnMouseDown( e );
}
private void OnLButtonDown( Point p )
{
if( m_bDoubleClick )
{
m_bDoubleClick = false;
return;
}
if( m_nNextChar != EX )
{
return;
}
int nPos = GetRectID( p );
if( nPos == -1 )
{
return;
}
if( m_nGameGrid[nPos] != 0 )
{
return;
}
m_nNextChar = OH;
m_nGameGrid[nPos] = EX;
Graphics g = this.CreateGraphics();
DrawX( g, nPos );
g.Dispose();
CheckForGameOver();
}
private void OnRButtonDown( Point p )
{
if( m_bDoubleClick )
{
m_bDoubleClick = false;
return;
}
if( m_nNextChar != OH )
{
return;
}
int nPos = GetRectID( p );
if( nPos == -1 )
{
return;
}
if( m_nGameGrid[nPos] != 0 )
{
return;
}
m_nNextChar = EX;
m_nGameGrid[nPos] = OH;
Graphics g = this.CreateGraphics();
DrawO( g, nPos );
g.Dispose();
CheckForGameOver();
}
protected override void OnDoubleClick( EventArgs e )
{
m_bDoubleClick = true;
ResetGame();
base.OnDoubleClick( e );
}
protected override void OnPaint( PaintEventArgs pe )
{
Graphics g = pe.Graphics;
DrawBoard( g );
}
private int GetRectID( Point p )
{
for( int i = 0 ; i <>
{
if( m_rcSquares[i].Contains( p ) )
{
return( i );
}
}
return( -1 );
}
private void DrawBoard( Graphics g )
{
Pen myPen = new Pen( Color.Black, 16 );
g.DrawLine( myPen, 120, 16, 120, 336 );
g.DrawLine( myPen, 232, 16, 232, 336 );
g.DrawLine( myPen, 16, 120, 336, 120 );
g.DrawLine( myPen, 16, 232, 336, 232 );
for( int i = 0 ; i <>
{
if( m_nGameGrid[i] == EX )
{
DrawX( g, i );
}
else if( m_nGameGrid[i] == OH )
{
DrawO( g, i );
}
}
myPen.Dispose();
}
private void DrawX( Graphics g, int nPos )
{
Pen myPen = new Pen( Color.Red, 16 );
g.DrawLine( myPen, m_rcSquares[nPos].Left+16, m_rcSquares[nPos].Top+16,
m_rcSquares[nPos].Right-16, m_rcSquares[nPos].Bottom-16 );
g.DrawLine( myPen, m_rcSquares[nPos].Left+16, m_rcSquares[nPos].Bottom-16,
m_rcSquares[nPos].Right-16, m_rcSquares[nPos].Top+16 );
myPen.Dispose();
}
private void DrawO( Graphics g, int nPos )
{
Pen myPen = new Pen( Color.Blue, 16 );
Rectangle rect = new Rectangle();
rect = m_rcSquares[nPos];
rect.Inflate( -16, -16 );
g.DrawEllipse( myPen, rect );
myPen.Dispose();
}
private void ResetGame()
{
m_nNextChar = EX;
for( int j = 0 ; j <>
{
m_nGameGrid[j] = 0;
}
this.Invalidate();
}
private void CheckForGameOver()
{
int nWinner = IsWinner();
switch( nWinner )
{
case 0:
if( IsDraw() )
{
MessageBox.Show( "It's a draw!", "Tic Tac Toe" );
ResetGame();
}
break;
case EX:
MessageBox.Show( "X Wins!", "Tic Tac Toe" );
ResetGame();
break;
case OH:
MessageBox.Show( "O Wins!", "Tic Tac Toe" );
ResetGame();
break;
}
}
private int IsWinner()
{
int[,] nPattern =
{
{ 0, 1, 2 },
{ 3, 4, 5 },
{ 6, 7, 8 },
{ 0, 3, 6 },
{ 1, 4, 7 },
{ 2, 5, 8 },
{ 0, 4, 8 },
{ 2, 4, 6 }
};
for( int i = 0 ; i <>
{
if( ( m_nGameGrid[nPattern[i,0]] == EX )
&& ( m_nGameGrid[nPattern[i,1]] == EX )
&& ( m_nGameGrid[nPattern[i,2]] == EX ) )
{
return( EX );
}
if( ( m_nGameGrid[nPattern[i,0]] == OH )
&& ( m_nGameGrid[nPattern[i,1]] == OH )
&& ( m_nGameGrid[nPattern[i,2]] == OH ) )
{
return( OH );
}
}
return( 0 );
}
private bool IsDraw()
{
for( int i = 0 ; i <>
{
if( m_nGameGrid[i] == 0 )
{
return( false );
}
}
return( true );
}
}
}
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