翻出以前没有完成的一个五子棋

[danjiewu]

想写人机对战的，规则太复杂，放弃了……发给大家消遣一下

using System;
using System.Collections.Generic;
using System.Text;

namespace gobang
{
public sealed class Gobang : ICloneable
{
public const byte Black = 1;
public const byte White = 2;
public const byte Side = 8;
public const byte Blank = 0;
public const int Size = 19;

private const int GSize = Size + 1;
private const int Capability = GSize * (GSize + 1) + 1;
private readonly static int[] Direct = new int[8] { -GSize, -GSize + 1, 1, GSize + 1, GSize, GSize - 1, -1, -GSize - 1 };

private byte firstTurn;
private byte turn;
private bool end;
private byte[] points;

public Gobang()
{
points = new byte[Capability];
firstTurn = Black;
Reset();
}

public object Clone()
{
Gobang gb = new Gobang();
Array.Copy(points, gb.points, points.Length);
gb.firstTurn = firstTurn;
gb.end = end;
gb.turn = turn;
return gb;
}

public void Reset()
{
for (int i = 0; i < Capability; i++)
{
points[i] = Blank;
}
for (int i = 0; i <= GSize; i++)
{
points[i] = points[Capability - i - 1] = points[GSize * i] = Side;
}
turn = firstTurn;
end = false;
}

public byte GetGB(int x, int y)
{
if (x <= 0 || x > Size || y <= 0 || y > Size)
{
return Side;
}
return points[x * GSize + y];
}

public bool SetGB(byte gb, int x, int y)
{
if (x <= 0 || x > Size || y <= 0 || y > Size)
{
return false;
}
return SetGB(gb, x * GSize + y);
}

public byte GetTurn()
{
return turn;
}

public bool IsEnd()
{
return end;
}

private bool SetGB(byte gb, int pos)
{
if (pos < 0 || pos >= Capability || points[pos] != Blank || turn != gb || end)
{
return false;
}
points[pos] = gb;
if (CheckFive(pos))
{
end = true;
}
ChangeTurn();
return true;
}

private bool CheckFive(int pos)
{
if (points[pos] != White && points[pos] != Black)
{
return false;
}
int count,current_pos;
for (int i = 0; i < 4; i++)
{
count = 1;
current_pos = pos + Direct[i];
while (points[current_pos] == points[pos] && count < 5)
{
current_pos += Direct[i];
count++;
}
current_pos = pos + Direct[i + 4];
while (points[current_pos] == points[pos] && count < 5)
{
current_pos += Direct[i + 4];
count++;
}
if (count == 5) return true;
}
return false;
}

private void ChangeTurn()
{
turn = (byte)(Black ^ White ^ turn);
}
}
}

==========================================================================

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace gobang
{
public partial class Form1 : Form
{
private const int cellwidth = 30;
private const int dia = 24;
private const int start_X = cellwidth / 2;
private const int start_Y = cellwidth / 2;
private const int lineNum = Gobang.Size;
private const int point_dia = 8;

private Gobang instance = new Gobang();
private int[] sequence;
private Gobang[] gbsequence;
private int step;
private int max_step;
private Bitmap bufferedBackground;

public Form1()
{
InitializeComponent();
Init();
}

private void Init()
{
sequence = new int[Gobang.Size * Gobang.Size];
gbsequence = new Gobang[sequence.Length];
gbsequence[0] = (Gobang)instance.Clone();
bufferedBackground = new Bitmap((Gobang.Size + 1) * cellwidth, (Gobang.Size + 1) * cellwidth + 1);
DrawBoard();
panelBoard.BackgroundImage = bufferedBackground;
Reset();
}

private void Reset()
{
instance.Reset();
for (int i = 0; i < sequence.Length; i++)
{
sequence[i] = 0;
}
step = 0;
max_step = 0;
RefreshSequence();
}

private void panelBoard_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
for (int x = 0; x < Gobang.Size; x++)
{
for (int y = 0; y < Gobang.Size; y++)
{
DrawPoint(g, instance.GetGB(x + 1, y + 1), x, y);
}
}
}

private void DrawBoard()
{
Graphics g = Graphics.FromImage(bufferedBackground);
g.Clear(this.BackColor);
for (int i = 0; i < Gobang.Size; i++)
{
g.DrawLine(new Pen(Color.Black, 1.0f), start_X, start_Y + i * cellwidth, start_X + (lineNum - 1) * cellwidth, start_Y + i * cellwidth);
g.DrawLine(new Pen(Color.Black, 1.0f), start_X + i * cellwidth, start_Y, start_X + i * cellwidth, start_Y + (lineNum - 1) * cellwidth);
}
for (int x = 3; x < Gobang.Size - 3; x += (Gobang.Size - 6) / 2)
{
for (int y = 3; y < Gobang.Size - 3; y += (Gobang.Size - 6) / 2)
{
g.FillEllipse(Brushes.Black, x * cellwidth + start_X - point_dia / 2, y * cellwidth + start_Y - point_dia / 2, point_dia, point_dia);
}
}
}

private void DrawPoint(Graphics g, int color, int x, int y)
{
Rectangle rect = new Rectangle(x * cellwidth + start_X - dia / 2, y * cellwidth + start_Y - dia / 2, dia, dia);
switch (color)
{
case Gobang.Black:
g.FillEllipse(Brushes.Black, rect);
break;
case Gobang.White:
g.FillEllipse(Brushes.White, rect);
g.DrawEllipse(new Pen(Color.Black, 1.0f), rect);
break;
default:
break;
}
}

[danjiewu]

//接上面，太长贴不下

private void panelXSide_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
for (int i = 0; i < Gobang.Size; i++)
{
g.DrawString(Convert.ToString((char)(i + 'A')), Form1.DefaultFont, Brushes.Black, i * cellwidth + start_X - 2, 0);
}
}

private void panelYSide_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
for (int i = 0; i < Gobang.Size; i++)
{
g.DrawString(Convert.ToString(i + 1), Form1.DefaultFont, Brushes.Black, 0, i * cellwidth + start_Y - 2);
}
}

private void panelBoard_MouseDown(object sender, MouseEventArgs e)
{
int dis_x = Math.Abs((e.X - start_X + cellwidth / 2) % cellwidth - cellwidth / 2);
int dis_y = Math.Abs((e.Y - start_Y + cellwidth / 2) % cellwidth - cellwidth / 2);
if (dis_x * dis_x + dis_y * dis_y <= dia * dia / 4)
{
int x = (e.X - start_X + cellwidth / 2) / cellwidth;
int y = (e.Y - start_Y + cellwidth / 2) / cellwidth;
byte current_color = instance.GetTurn();
if (SetColor(current_color, x, y))
{
DrawPoint(panelBoard.CreateGraphics(), current_color, x, y);
panelCurrentColor.Refresh();
Save(instance, x, y);
if (instance.IsEnd())
{
MessageBox.Show(this, current_color == Gobang.Black ? "黑方胜利" : "白方胜利", "游戏结束");
}
}
}
}

private bool SetColor(byte color, int x, int y)
{
return instance.SetGB(color, x + 1, y + 1);
}

private void buttonReset_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show(this, "确定要重新开始吗？", "重新开始", MessageBoxButtons.YesNo,
MessageBoxIcon.Question, MessageBoxDefaultButton.Button1);
if (result == DialogResult.Yes)
{
Reset();
Refresh();
}
}

private void panelCurrentColor_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
switch (instance.GetTurn())
{
case Gobang.Black:
g.FillEllipse(Brushes.Black, 0, 0, dia, dia);
break;
case Gobang.White:
g.FillEllipse(Brushes.White, 0, 0, dia, dia);
g.DrawEllipse(new Pen(Color.Black, 1.0f), 0, 0, dia, dia);
break;
default:
break;
}
}

private void Save(Gobang gb, int x, int y)
{
sequence[step] = x * Gobang.Size + y;
AddSequence(step);
gbsequence[++step] = (Gobang)gb.Clone();
max_step = step;
}

private bool MoveBackward()
{
if (step > 0)
{
instance = (Gobang)gbsequence[--step].Clone();
RefreshSequence();
return true;
}
return false;
}

private bool MoveForward()
{
if (step < max_step)
{
AddSequence(step);
instance = (Gobang)gbsequence[++step].Clone();
return true;
}
return false;
}

private void RefreshSequence()
{
sequencetextBox.Clear();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < step; i++)
{
AddSequence(sb, i);
}
sequencetextBox.AppendText(sb.ToString());
}

private void AddSequence(int index)
{
StringBuilder sb = new StringBuilder();
AddSequence(sb, index);
sequencetextBox.AppendText(sb.ToString());
}

private void AddSequence(StringBuilder sb, int index)
{
if (index % 2 == 0)
{
sb.Append("" + (index / 2 + 1) + ".");
FillWithBlanks(sb, 3);
}
int x = sequence[index] % Gobang.Size + 1;
char y = (char)('A' + sequence[index] / Gobang.Size);
sb.Append("" + y + x);
if (index % 2 == 0)
{
FillWithBlanks(sb, 7);
}
else
{
sb.Append("\n");
}
}

private void buttonBackward_Click(object sender, EventArgs e)
{
if (MoveBackward())
{
Refresh();
}
}

private void buttonForward_Click(object sender, EventArgs e)
{
if (MoveForward())
{
Refresh();
}
}

private void buttonExit_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show(this, "确定要退出吗？", "退出", MessageBoxButtons.YesNo,
MessageBoxIcon.Question, MessageBoxDefaultButton.Button1);
if (result == DialogResult.Yes)
{
this.Close();
}
}

static private StringBuilder FillWithBlanks(StringBuilder sb, int length)
{
for (int i = sb.Length; i < length; i++)
{
sb.Append(' ');
}
return sb;
}

}

public class BufferedPanel : Control
{
public BufferedPanel()
{
this.DoubleBuffered = true;
}
}
}

[danjiewu]

namespace gobang
{
partial class Form1
{
private System.ComponentModel.IContainer components = null;

protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}

#region Windows Form Designer generated code

private void InitializeComponent()
{
this.panelBoard = new gobang.BufferedPanel();
this.panelXSide = new gobang.BufferedPanel();
this.panelYSide = new gobang.BufferedPanel();
this.panelCurrentColor = new BufferedPanel();
this.buttonReset = new System.Windows.Forms.Button();
this.buttonBackward = new System.Windows.Forms.Button();
this.buttonForward = new System.Windows.Forms.Button();
this.buttonExit = new System.Windows.Forms.Button();
this.sequencetextBox = new System.Windows.Forms.TextBox();
this.SuspendLayout();

this.panelBoard.Location = new System.Drawing.Point(32, 34);
this.panelBoard.Name = "panelBoard";
this.panelBoard.Size = new System.Drawing.Size(571, 571);
this.panelBoard.TabIndex = 0;
this.panelBoard.MouseDown += new System.Windows.Forms.MouseEventHandler(this.panelBoard_MouseDown);
this.panelBoard.Paint += new System.Windows.Forms.PaintEventHandler(this.panelBoard_Paint);

this.panelXSide.Location = new System.Drawing.Point(31, 16);
this.panelXSide.Name = "panelXSide";
this.panelXSide.Size = new System.Drawing.Size(572, 16);
this.panelXSide.TabIndex = 2;
this.panelXSide.Paint += new System.Windows.Forms.PaintEventHandler(this.panelXSide_Paint);

this.panelYSide.Location = new System.Drawing.Point(17, 33);
this.panelYSide.Name = "panelYSide";
this.panelYSide.Size = new System.Drawing.Size(14, 572);
this.panelYSide.TabIndex = 3;
this.panelYSide.Paint += new System.Windows.Forms.PaintEventHandler(this.panelYSide_Paint);
//
// buttonReset
//
this.buttonReset.Cursor = System.Windows.Forms.Cursors.Hand;
this.buttonReset.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.buttonReset.Location = new System.Drawing.Point(629, 197);
this.buttonReset.Name = "buttonReset";
this.buttonReset.Size = new System.Drawing.Size(75, 23);
this.buttonReset.TabIndex = 4;
this.buttonReset.Text = "重新开始";
this.buttonReset.UseVisualStyleBackColor = true;
this.buttonReset.Click += new System.EventHandler(this.buttonReset_Click);
//
// buttonBackward
//
this.buttonBackward.Cursor = System.Windows.Forms.Cursors.Hand;
this.buttonBackward.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.buttonBackward.Location = new System.Drawing.Point(629, 226);
this.buttonBackward.Name = "buttonBackward";
this.buttonBackward.Size = new System.Drawing.Size(75, 23);
this.buttonBackward.TabIndex = 5;
this.buttonBackward.Text = "悔棋";
this.buttonBackward.UseVisualStyleBackColor = true;
this.buttonBackward.Click += new System.EventHandler(this.buttonBackward_Click);
//
// buttonForward
//
this.buttonForward.Cursor = System.Windows.Forms.Cursors.Hand;
this.buttonForward.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.buttonForward.Location = new System.Drawing.Point(629, 255);
this.buttonForward.Name = "buttonForward";
this.buttonForward.Size = new System.Drawing.Size(75, 23);
this.buttonForward.TabIndex = 6;
this.buttonForward.Text = "撤销悔棋";
this.buttonForward.UseVisualStyleBackColor = true;
this.buttonForward.Click += new System.EventHandler(this.buttonForward_Click);
//
// buttonExit
//
this.buttonExit.Cursor = System.Windows.Forms.Cursors.Hand;
this.buttonExit.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.buttonExit.Location = new System.Drawing.Point(629, 284);
this.buttonExit.Name = "buttonExit";
this.buttonExit.Size = new System.Drawing.Size(75, 23);
this.buttonExit.TabIndex = 7;
this.buttonExit.Text = "退出";
this.buttonExit.UseVisualStyleBackColor = true;
this.buttonExit.Click += new System.EventHandler(this.buttonExit_Click);
//
// sequencetextBox
//
this.sequencetextBox.BackColor = System.Drawing.SystemColors.ScrollBar;
this.sequencetextBox.Cursor = System.Windows.Forms.Cursors.Default;
this.sequencetextBox.Font = new System.Drawing.Font("MS Gothic", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.sequencetextBox.Location = new System.Drawing.Point(609, 360);
this.sequencetextBox.Multiline = true;
this.sequencetextBox.Name = "sequencetextBox";
this.sequencetextBox.ReadOnly = true;
this.sequencetextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
this.sequencetextBox.Size = new System.Drawing.Size(117, 157);
this.sequencetextBox.TabIndex = 10;
//
// labelCurrentColor
//
this.panelCurrentColor.Location = new System.Drawing.Point(640, 114);
this.panelCurrentColor.Name = "labelCurrentColor";
this.panelCurrentColor.Size = new System.Drawing.Size(50, 50);
this.panelCurrentColor.TabIndex = 12;
this.panelCurrentColor.Paint += new System.Windows.Forms.PaintEventHandler(this.panelCurrentColor_Paint);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.BackColor = System.Drawing.SystemColors.ControlDark;
this.ClientSize = new System.Drawing.Size(738, 613);
this.Controls.Add(this.panelCurrentColor);
this.Controls.Add(this.sequencetextBox);
this.Controls.Add(this.buttonExit);
this.Controls.Add(this.buttonForward);
this.Controls.Add(this.buttonBackward);
this.Controls.Add(this.buttonReset);
this.Controls.Add(this.panelYSide);
this.Controls.Add(this.panelXSide);
this.Controls.Add(this.panelBoard);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox = false;
this.Name = "Form1";
this.Text = "Gobang1.0";
this.ResumeLayout(false);
this.PerformLayout();

}

#endregion

private BufferedPanel panelBoard;
private BufferedPanel panelXSide;
private BufferedPanel panelYSide;
private BufferedPanel panelCurrentColor;
private System.Windows.Forms.Button buttonReset;
private System.Windows.Forms.Button buttonBackward;
private System.Windows.Forms.Button buttonForward;
private System.Windows.Forms.Button buttonExit;
private System.Windows.Forms.TextBox sequencetextBox;
}
}

[maliang00111]

晕。。。。so long...

[danjiewu]

^_^