A C# implementation of Reversi (Othello) Game for PocketPC and Windows

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using gma.Reversi;
using System.Threading;

namespace gma.Windows.Reversi
{
	/// <summary>
	/// Zusammenfassung f�r frmMain.
	/// </summary>
	public class frmMain : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Panel panel;
		private System.Windows.Forms.ProgressBar progressBar;
		private System.Windows.Forms.ImageList imageList;
		private System.Windows.Forms.MainMenu mainMenu;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItemNewGame;
		private System.Windows.Forms.MenuItem menuItemQuit;
		private System.Windows.Forms.MenuItem menuItemUndo;
		private System.ComponentModel.IContainer components;

		public frmMain()
		{
			//
			// Erforderlich f�r die Windows Form-Designerunterst�tzung
			//
			InitializeComponent();

			//
			// TODO: F�gen Sie den Konstruktorcode nach dem Aufruf von InitializeComponent hinzu
			//
		}

		static void Main() 
		{
			Application.Run(new frmMain());
		}


		/// <summary>
		/// Die verwendeten Ressourcen bereinigen.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Vom Windows Form-Designer generierter Code
		/// <summary>
		/// Erforderliche Methode f�r die Designerunterst�tzung. 
		/// Der Inhalt der Methode darf nicht mit dem Code-Editor ge�ndert werden.
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(frmMain));
			this.panel = new System.Windows.Forms.Panel();
			this.progressBar = new System.Windows.Forms.ProgressBar();
			this.imageList = new System.Windows.Forms.ImageList(this.components);
			this.mainMenu = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItemNewGame = new System.Windows.Forms.MenuItem();
			this.menuItemQuit = new System.Windows.Forms.MenuItem();
			this.menuItemUndo = new System.Windows.Forms.MenuItem();
			this.SuspendLayout();
			// 
			// panel
			// 
			this.panel.Location = new System.Drawing.Point(8, 8);
			this.panel.Name = "panel";
			this.panel.Size = new System.Drawing.Size(232, 232);
			this.panel.TabIndex = 0;
			// 
			// progressBar
			// 
			this.progressBar.Location = new System.Drawing.Point(8, 248);
			this.progressBar.Name = "progressBar";
			this.progressBar.Size = new System.Drawing.Size(232, 23);
			this.progressBar.TabIndex = 1;
			// 
			// imageList
			// 
			this.imageList.ImageSize = new System.Drawing.Size(28, 28);
			this.imageList.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList.ImageStream")));
			this.imageList.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// mainMenu
			// 
			this.mainMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.menuItem1});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItemNewGame,
																					  this.menuItemUndo,
																					  this.menuItemQuit});
			this.menuItem1.Text = "Game";
			// 
			// menuItemNewGame
			// 
			this.menuItemNewGame.Index = 0;
			this.menuItemNewGame.Text = "New Game";
			this.menuItemNewGame.Click += new System.EventHandler(this.menuItemNewGame_Click);
			// 
			// menuItemQuit
			// 
			this.menuItemQuit.Index = 2;
			this.menuItemQuit.Text = "Quit";
			this.menuItemQuit.Click += new System.EventHandler(this.menuItemQuit_Click);
			// 
			// menuItemUndo
			// 
			this.menuItemUndo.Index = 1;
			this.menuItemUndo.Text = "Undo";
			this.menuItemUndo.Click += new System.EventHandler(this.menuItemUndo_Click);
			// 
			// frmMain
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(250, 275);
			this.Controls.Add(this.progressBar);
			this.Controls.Add(this.panel);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.Menu = this.mainMenu;
			this.Name = "frmMain";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "frmMain";
			this.Load += new System.EventHandler(this.frmMain_Load);
			this.ResumeLayout(false);

		}
		#endregion

		BoardComplex brd;
		GUIPlayer human;
		VirtualPlayer computer;

		private void frmMain_Load(object sender, System.EventArgs e)
		{
			panel.Location=new System.Drawing.Point((this.Width-panel.Width)/2, 10);

			progressBar.Location= new System.Drawing.Point(panel.Location.X , panel.Location.Y+panel.Height +3);
			progressBar.Size = new Size(panel.Width , 20 );

			brd = new BoardComplex();

			human= new GUIPlayer(brd);
			human.PlayerColor =  Board.PLAYER_RED;

			computer = new VirtualPlayerComplex(brd);
			computer.PlayerColor = Board.PLAYER_WHITE;
			//computer.OnLog += new OnLogEvent(LogWrite);
			computer.OnProgress +=new OnProgressEvent(computer_OnProgress);

			progressBar.Minimum=0;
			progressBar.Maximum=100;
			
			brd.OnGameOver+=new OnGameOverEvent(brd_OnGameOver);
			brd.OnNeedRedraw += new OnNeedRedrawEvent(Redraw);
			brd.OnNeedRedrawAll += new OnNeedRedrawEvent(RedrawAll);
			menuItemNewGame_Click(null, null);
		}

		private void brd_OnGameOver()
		{
			int diference=brd.CounterRed-brd.CounterWhite;
			if (human.PlayerColor==Board.PLAYER_WHITE) diference=-diference;

			string txt=String.Empty;
			if (diference==0)  
				txt="The Game is a draw.\n\rB {0}: W {1}";
			else
				if (diference>0)  
				txt="Congratulations !\n\rYou are a Winner.\n\rB {0}: W {1}";
			else
				txt="Sorry, you lose.\n\rB {0}: W {1}";
			MessageBox.Show(String.Format(txt,brd.CounterRed ,brd.CounterWhite ),"Game over");
		}


		private void computer_OnProgress(int aProgress)
		{
			progressBar.Value = aProgress;
		}


		private void LogWrite(string msg)
		{
			/*
			textBoxLog.AppendText(msg);
			textBoxLog.SelectionStart = textBoxLog.Text.Length;
			textBoxLog.ScrollToCaret();
			*/
		}

		public void RedrawCell(gma.Reversi.Point aPoint, int phase)
		{
			int i = aPoint.X;
			int j = aPoint.Y;

			PictureBox btn = allButtons[i, j];
			if (btn == null)
			{
				btn = new PictureBox();
				btn.Size = new System.Drawing.Size(28, 28);
				btn.Location = new System.Drawing.Point(i * 29, j * 29);
				btn.Tag = new gma.Reversi.Point(i, j);
				//btn.BorderStyle=BorderStyle.FixedSingle;
				btn.Click += new System.EventHandler(this.ButtonClick);
				panel.Controls.Add(btn);
				allButtons[i, j] = btn;
			}

			//btn.BorderStyle = BorderStyle.None;

			switch (brd.GetStateAt(i, j))
			{
				case Board.PLAYER_RED:
					btn.Image =  imageList.Images[5-phase];
					break;
				case Board.PLAYER_WHITE:
					btn.Image =  imageList.Images[1+phase];
					break;
				case Board.SQUARE_EMPTY:
					btn.Image =  imageList.Images[0];
					break;
			}
			btn.BackColor = Color.White;
			btn.Refresh();
		}


		private int animationSpeed = 4;
		IList OldAvailableMoves=new ArrayList();
		bool IsAnimating=false;
		public void Redraw()
		{
			IsAnimating=true;
			this.Text=String.Format("Reversi B {0}:{1} W"  ,brd.CounterRed ,brd.CounterWhite);
			for (int phase=3; phase>=0; phase--)
			{
				foreach (gma.Reversi.Point anAffectedPoint in brd.AffectedSquares)
					RedrawCell(anAffectedPoint, phase );
				Application.DoEvents();
				Thread.Sleep(animationSpeed*25);
			}

			foreach(gma.Reversi.Point aPoint in OldAvailableMoves)
				if ( !brd.AffectedSquares.Contains(aPoint)) RedrawCell(aPoint,0);
			OldAvailableMoves.Clear();

			IList availableMoves = brd.GetAvailableMoves(brd.CurrentPlayer);
			foreach(gma.Reversi.Point aPoint in availableMoves)
			{
				if (brd.CurrentPlayer!=computer.PlayerColor)
				{
					allButtons[aPoint.X,aPoint.Y].Image = null;
					allButtons[aPoint.X,aPoint.Y].Refresh();
					OldAvailableMoves.Add(aPoint);
				}
			}
			IsAnimating=false;
		}

		private void RedrawAll()
		{
			Application.DoEvents();
			for (int i = 0; i < Board.SIZEX; i++)
				for (int j = 0; j < Board.SIZEY; j++)
					RedrawCell(new gma.Reversi.Point(i,j),0);
		}


        
		PictureBox[,] allButtons = new PictureBox[8, 8];

		void ButtonClick(object sender, System.EventArgs e)
		{
			if (brd.CurrentPlayer!=human.PlayerColor || IsAnimating) return;
			gma.Reversi.Point aPoint = (gma.Reversi.Point)(((PictureBox)sender).Tag);
			human.MakeMove(aPoint);
		}

		private void menuItemQuit_Click(object sender, System.EventArgs e)
		{
			Application.Exit();
		}

		private void menuItemNewGame_Click(object sender, System.EventArgs e)
		{
			frmStartGame frm= new frmStartGame();
			frm.MyColor=human.PlayerColor;
			frm.SearchDepth=5;
			frm.AnimationSpeed = animationSpeed;
			if (frm.ShowDialog()==DialogResult.OK)
			{
				Application.DoEvents();
				human.PlayerColor =  frm.MyColor;
				human.EnabelUndo=frm.EnableUndo; 
				menuItemUndo.Enabled=human.EnabelUndo;
				computer.PlayerColor = -human.PlayerColor;
				computer.MAX_DEPTH=frm.SearchDepth;
				animationSpeed = frm.AnimationSpeed;
				brd.StartGame();
			}
		}

		private void menuItemUndo_Click(object sender, System.EventArgs e)
		{
			try 
			{
				brd=human.UndoLastMove();
				human.Board=brd;
				computer.Board=brd;
				brd.OnGameOver+=new OnGameOverEvent(brd_OnGameOver);
				brd.OnNeedRedraw += new OnNeedRedrawEvent(Redraw);
				brd.OnNeedRedrawAll += new OnNeedRedrawEvent(RedrawAll);
				RedrawAll();
				Redraw();
			}
			catch (Exception)
			{
				MessageBox.Show("Unable to undo last Move!");
			}

		}
	}
}