// Menu click method that undoes the previous move.
private void undoMoveToolStripMenuItem_Click(object sender, EventArgs e)
{
// Finds the index of the last disk moved.
int ind = board.movements.Count - 2;
// Finds the ID of the last disk moved.
int aLabelID = Convert.ToInt32(board.movements[ind]);
// Finds the label of the disk moved.
Label aLabel = FindLabel(aLabelID);
// Gets the peg the label was moved to.
int aPegID = Convert.ToInt32(board.movements[ind + 1]);
// Removes the last move from the movements arraylist and returns the previous position of the Disk.
int lastPeg = board.unDo(ind);
// Deducts 1 from the move count.
int Count = Convert.ToInt32(txt_Count.Text) - 1;
txt_Count.Text = Convert.ToString(Count);
// Resets the Moves text box to it's blank state and re-populates the moves made thus far.
txt_Moves.Text = "";
for (int i = 0; i < Count; i++)
{
DiskMove reDoMoves = new DiskMove(Convert.ToInt32(board.movements[i]), Convert.ToInt32(board.movements[i + 1]));
txt_Moves.Text += reDoMoves.AsText();
}
// Finds the panel belonging to the last peg and moves the disk there.
Panel aPanel = FindPanel(lastPeg);
board.move(aLabel, lastPeg);
aLabel.Location = board.Display(aLabel, aPanel);
}
public void move(Disk aDisk, int newLevel)
{
Label current = aDisk.getLabel(); // This methode require the pole to be set before getting here
aDisk.setLevel(newLevel + 1);
int disksID = -1; // default value to reduce errors
if ((aDisk.getLabel()).Name == "lblDisk1")
{
disksID = 0;
}
else if ((aDisk.getLabel()).Name == "lblDisk2")
{
disksID = 1;
}
else if ((aDisk.getLabel()).Name == "lblDisk3")
{
disksID = 2;
}
else if ((aDisk.getLabel()).Name == "lblDisk4")
{
disksID = 3;
}
DiskMove newMove = new DiskMove(disksID, aDisk.getPegNum() - 1);
movements.Add(newMove); // adding the just made move to the movement list
Display();
}
// Finds the selected Disk in the 2 dimensional board array, sets that position to null and adds selected disk to it's
// new position in the 2 dimensional board array.
public void move(Label aDisk, int newLevel)
{
Disk selectedDisk = FindDisk(aDisk);
int currentPegIndex = getPegIndex(selectedDisk);
int toPegNumIndex = getPegIndex(newLevel);
for (int i = 0; i < NUM_DISKS; i++)
{
if (board[currentPegIndex, i] == selectedDisk)
{
board[currentPegIndex, i] = null;
for (int j = NUM_DISKS - 1; j >= 0; j--)
{
if (board[toPegNumIndex, j] == null)
{
board[toPegNumIndex, j] = selectedDisk;
selectedDisk.setPegNum(newLevel);
// Creates a DiskMove object representing the latest move to the movements ArrayList.
DiskMove diskMove = new DiskMove(Convert.ToInt32(aDisk.Text), newLevel);
movements.Add(diskMove.SaveDiskAsText());
movements.Add(diskMove.savePegAsText());
break;
}
else
{
continue;
}
}
}
else
{
continue;
}
}
}
/// <summary>
/// Get old coordinates of disk, set new coordinates, stores moves
/// @param active disk
/// @param target level
/// </summary>
/// <param name="aDisk"></param>
/// <param name="newLevel"></param>
public void move(Disk aDisk, int newLevel)
{
//Find moved disk index
int ind = -1;
for (int i = 0; i < NUM_DISKS; i++)
{
if (disks[i] == aDisk)
{
ind = i;
break;
}
}
int oldPeg = getPegInd(ind);
int oldLevel = getLevel(ind);
int newPeg = aDisk.getPegNum();
disks[ind].setLevel(newLevel);
disks[ind].setPegNum(newPeg);
board[newPeg - 1, newLevel - 1] = disks[ind];
board[oldPeg - 1, oldLevel - 1] = null;
//Create DiskMove object with latest turn
DiskMove diskMove = new DiskMove(ind, newPeg - 1);
movements.Add(diskMove);
Display(ind, newPeg, newLevel);
}
//public String getText(int cnt)
//{
// return "1"; // Dummy return to avoid syntax error - must be changed
//}
//public void backToSelected(int ind)
//{
//}
//public int getPegInd(int ind)
//{
// return disks[ind].getPegNum();
//}
//public int getLevel(int ind)
//{
// return disks[ind].getLevel();
//}
/// <summary>
/// Undo the last move
/// </summary>
public void unDo()
{
DiskMove diskMove = (DiskMove)movements[movements.Count - 1];
Disk disk = disks[diskMove.getDiskInd()];
board[disk.getPegNum(), disk.getLevel()] = null;
disk.setLevel(lastLevel);
disk.setPegNum(lastPegNum);
board[lastPegNum, lastLevel] = disk;
movements.Remove(diskMove);
}
public void loadData(ArrayList dm) // Used to load the data from the text file
{
movements.Clear();
foreach (string s in dm)
{
DiskMove move = new DiskMove(s);
movements.Add(move);
}
for (int m = 0; m < movements.Count; m++)
{
animate(m);
}
}
/// <summary>method: moveOutput
/// Retrieves move count and moves made data from Board and
/// updates output textboxes after each move completed.
/// </summary>
public void MoveOutput(Label aLabel, Panel toPeg)
{
try
{
int newCount = Convert.ToInt32(txt_Count.Text) + 1;
txt_Count.Text = Convert.ToString(newCount);
}
catch (FormatException)
{
int newCount = 0 + 1;
txt_Count.Text = Convert.ToString(newCount);
}
int aLabelID = Convert.ToInt32(aLabel.Text);
DiskMove newMove = new DiskMove(aLabelID, board.getPegID(toPeg));
txt_Moves.Text += newMove.AsText();
}
private void btnLoadGame_Click(object sender, EventArgs e)
{
Board.reset();
targetPole = 0;
MoveCount = 0;
txtMove.Text = "";
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 4; j++)
{
disks[i, j] = null;
}
}
disks[0, 3] = new Disk(lblDisk1, 1, 4);
disks[0, 2] = new Disk(lblDisk2, 1, 3);
disks[0, 1] = new Disk(lblDisk3, 1, 2);
disks[0, 0] = new Disk(lblDisk4, 1, 1);
string filePath = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), @"SavedGame.txt");
string getFile = System.IO.File.ReadAllText(filePath);
getFile = getFile.TrimEnd('\r', '\n');
txtMoves.Text = getFile + "\r\n";
string[] fileParts = txtMoves.Text.Split('\r');
try
{
foreach (string Parts in fileParts)
{
string[] partSplit = Parts.Split(',');
int pegID = Convert.ToInt32(partSplit[1]) - 1;
string textMove = returnDiskID(partSplit[0]).ToString() + ',' + pegID;
DiskMove = new DiskMove(textMove);
txtMove.AppendText(DiskMove.AsText() + "\r\n");
}
}
catch (Exception ex)
{
}
MoveCount = fileParts.Length;
lblMoves.Text = (--MoveCount).ToString();
animateLine = 0;
targetPole = 0;
animateTimer.Enabled = true;
}
public MainForm()
{
/// <summary>
/// Initialising MainForm, Board, and Diskmove classes
/// </summary>
InitializeComponent();
board = new Board(
new Disk(lblDisk1, 0, 3, 0),
new Disk(lblDisk2, 0, 2, 0),
new Disk(lblDisk3, 0, 1, 0),
new Disk(lblDisk4, 0, 0, 0)
);
diskMove = new DiskMove();
}
public void move(Disk aDisk, int newLevel, int newPole)
{
//Change the disk place in the board
board[aDisk.getPegNum(), aDisk.getLevel()] = null;
board[newPole, newLevel] = aDisk;
//Set the new pegNum and new level of the disk
aDisk.setPegNum(newPole);
aDisk.setLevel(newLevel);
Display(aDisk);
//Store the move to the movement array
diskMove = new DiskMove(getDiskInd(aDisk), newPole);
movements.Add(diskMove.AsText());
//Increase move count
count += 1;
}
/// <summary>
/// Load saved moves data
/// </summary>
public void loadData()
{
try
{
using (StreamReader sr = new StreamReader(new FileStream(Application.UserAppDataPath + "\\appdata.txt", FileMode.OpenOrCreate)))
{
while (sr.Peek() >= 0)
{
DiskMove diskMove = new DiskMove(sr.ReadLine());
movements.Add(diskMove);
}
}
}
catch (IOException e)
{
MessageBox.Show("Error: " + e.ToString());
}
if (movements.Count > 0)
{
foreach (DiskMove diskMove in movements)
{
int diskInd = diskMove.getDiskInd();
int pegNum = diskMove.getPegInd();
int level = newLevInPeg(pegNum);
Disk disk = disks[diskInd];
board[disk.getPegNum(), disk.getLevel()] = null;
disk.setPegNum(pegNum);
disk.setLevel(level);
board[pegNum, level] = disk;
if ((pegNum == 2) && (level == 3))
{
completed = true;
}
}
Display();
}
}
/// <summary>
/// Draw graphics
/// </summary>
public bool drawAnimation()
{
if (drawCount < movements.Count)
{
DiskMove diskMove = (DiskMove)movements[drawCount++];
int diskInd = diskMove.getDiskInd();
int pegNum = diskMove.getPegInd();
int level = newLevInPeg(pegNum);
Disk disk = disks[diskInd];
board[disk.getPegNum(), disk.getLevel()] = null;
disk.setPegNum(pegNum);
disk.setLevel(level);
board[pegNum, level] = disk;
Display();
return(true);
}
else
{
return(false);
}
}
public int animate(int step) // This methode will animate one step at a time. Works in a similar way to move methode
{
DiskMove dm = movements[step] as DiskMove;
int diskIndex = dm.getDiskInd();
int pegIndex = dm.getPegInd() + 1;
string Disk = "";
if (diskIndex == 0)
{
Disk = "lblDisk1";
} // Find the disk label name
else if (diskIndex == 1)
{
Disk = "lblDisk2";
}
else if (diskIndex == 2)
{
Disk = "lblDisk3";
}
else if (diskIndex == 3)
{
Disk = "lblDisk4";
}
Disk animateDisk = new Disk();
foreach (Disk d in disks)
{
if ((d.getLabel()).Name == Disk)
{
animateDisk = d;
}
}
if (animateDisk == null)
{
return(-1);
}
int oldLevel, oldPeg;
oldLevel = animateDisk.getLevel();
oldPeg = animateDisk.getPegNum();
animateDisk.setPegNum(pegIndex);
this.board[oldPeg - 1, oldLevel - 1] = null;
int newLevel = newLevInPeg(pegIndex);
this.board[pegIndex - 1, newLevel] = animateDisk;
this.animatemove(animateDisk, newLevel);
if (step + 1 == movements.Count)
{
return(0); // Return 0 if there are no more moves left to be animated
}
return(1);
}
private bool DropOnPole(int oldPole, int oldLevel, int newPole)
//Move a disk from its current position to the next available position
//on the new pole and check that the move is valid
{
int newLevel;
string theMove = "", textMove = "";
oldPole--;
oldLevel--;
newPole--;
if (disks[newPole, 3] != null)
{
MessageBox.Show("Invalid Move - pole is full");
return(false);
}
else if (disks[oldPole, oldLevel] == null)
{
MessageBox.Show("Invalid Move - no disk at start point");
return(false);
}
if (oldLevel < 3)
{
if (disks[oldPole, oldLevel + 1] != null)
{
MessageBox.Show("Invalid Move - can only move top disk");
return(false);
}
}
newLevel = 3;
for (int i = 0; i < 4; i++)
{
if (disks[newPole, i] == null)
{
newLevel = i;
break;
}
}
if (newLevel > 0)
{
if (disks[oldPole, oldLevel].thisDisk.Width > disks[newPole, newLevel - 1].thisDisk.Width)
{
MessageBox.Show("Invalid Move - cannot drop bigger disk on smaller");
return(false);
}
}
if (newLevel == oldLevel + 1 && newPole == oldPole)
{
MessageBox.Show("Invalid Move - cannot move on the same peg");
return(false);
}
disks[newPole, newLevel] = disks[oldPole, oldLevel];
disks[oldPole, oldLevel] = null;
disks[newPole, newLevel].Move(newPole + 1, newLevel + 1);
if (!isStepping)
{
{
theMove = disks[newPole, newLevel].thisDisk.Name + ','
+ (newPole + 1).ToString() + ',' + (newLevel + 1).ToString() + "\r\n";
txtMoves.AppendText(theMove);
textMove = returnDiskID(disks[newPole, newLevel].thisDisk.Name).ToString() + ','
+ (newPole).ToString() + "\r\n";
DiskMove = new DiskMove(textMove);
txtMove.AppendText(DiskMove.AsText() + "\r\n");
MoveCount++;
lblMoves.Text = MoveCount.ToString();
}
if (theMove == "lblDisk1,3,4\r\n" && lastMove == "lblDisk2,3,3\r\n")
{
if (lblMoves.Text == "15")
{
MessageBox.Show("Congrats! You have successfully completed the game with minimum number of moves");
}
else
{
MessageBox.Show("Game Over: You have successfully completed the game but not with the minimum number of moves");
}
}
lastMove = theMove;
}
return(true);
}
