//clears a peg in between the previous one and the new one
void removePeg(GameObject startPeg, GameObject endPeg)
{
pegToRemove = getPegInbetween(startPeg, endPeg);
//remove peg
removeScript = pegToRemove.GetComponent <PegScript>();
removeScript.setHasPeg(false);
removeScript.setEmpty();
}
//sets selected for everything in the checkValid List
void setValidMoves(List <GameObject> list)
{
for (int i = 0; i < list.Count; i++)
{
setMoveScript = list [i].GetComponent <PegScript> ();
setMoveScript.setBoardSelected();
}
}
//play game
void playGame()
{
//Check for the selected peg
previousSelectedPeg = selectedPeg;
selectedPeg = checkSelectedPeg();
//get a list of all the possible valid locations
if (selectedPeg != null)
{
//check if contains a peg
selectedPegScript = selectedPeg.GetComponent <PegScript>();
if (selectedPegScript.getHasPeg() == true)
{
//Debug.Log ("selection is a peg");
if (previousValidMoves != null)
{
previousValidMoves = validMoves;
clearPreviousMoves(previousValidMoves);
}
validMoves = checkValidMoves(selectedPeg);
setValidMoves(validMoves);
}
//remove peg and set current peg to this one
else if (selectedPegScript.getHasPeg() == false)
{
//Debug.Log ("selection is a hole");
selectedPegScript.setHasPeg(true);
selectedPegScript.setIsSelected(true);
selectedPegScript.setPegSelected();
removePeg(selectedPeg, previousSelectedPeg);
//then show the currently available moves
previousValidMoves = validMoves;
clearPreviousMoves(previousValidMoves);
validMoves = checkValidMoves(selectedPeg);
setValidMoves(validMoves);
}
if (checkForWin())
{
gameEndText.enabled = true;
gameEndText.text = "You won!";
}
if (!checkForMoves())
{
gameEndText.enabled = true;
gameEndText.text = "You Lost";
}
}
//check for if the player clicked on one of the valid locations
//move the peg and delete the one in between
}
//set the number of pegs left in the canvas
void setPegNum()
{
pegsLeft = 0;
for (int i = 0; i < board.Count; i++)
{
for (int j = 0; j < board [i].Length; j++)
{
winPegScript = board [i] [j].GetComponent <PegScript> ();
if (winPegScript.getHasPeg() == true)
{
pegsLeft++;
}
}
}
pegsText.text = pegsLeft.ToString();
}
//check for a win condition of one peg left
bool checkForWin()
{
pegNum = 0;
for (int i = 0; i < board.Count; i++)
{
for (int j = 0; j < board [i].Length; j++)
{
winPegScript = board [i] [j].GetComponent <PegScript> ();
if (winPegScript.getHasPeg() == true)
{
pegNum++;
}
if (pegNum > 1)
{
return(false);
}
}
}
return(true);
}
//checks to see if there are any valid moves yet -> helps determine if its the end of the game or not
bool checkForMoves()
{
for (int i = 0; i < board.Count; i++)
{
for (int j = 0; j < board [i].Length; j++)
{
pegScript = board [i] [j].GetComponent <PegScript> ();
if (pegScript.hasPeg == true)
{
moveList = checkValidMoves(board [i] [j]);
if (moveList.Count > 0)
{
return(true);
}
moveList.Clear();
}
}
}
return(false);
}
//Checks for valid moves based on the selected peg, returns a list of the valid gameobjects
List <GameObject> checkValidMoves(GameObject peg)
{
int.TryParse(peg.name.Substring(3, 1), out row);
int.TryParse(peg.name.Substring(5, 1), out col);
//valid moves would be anything that are two spots away from it, as long as it is still within the bounds of the board
List <GameObject> locationList = new List <GameObject>();
//position 0 - row
//position 1 - col
int[] validLocation = new int[2];
//start looking for 2 rows above, then check current row, then check two rows below
for (int i = row - 2; i <= row + 2; i += 2)
{
//make sure i is still in the bounds of the board
if (i < 0)
{
continue;
}
if (i >= board.Count)
{
continue;
}
validLocation [0] = i;
for (int j = col - 2; j <= col + 2; j += 2)
{
//make sure j is still in the bounds of the board
if (j < 0)
{
continue;
}
if (j >= board [i].Length)
{
continue;
}
validLocation [1] = j;
//checks and makes sure you're not trying to access the current location
if (validLocation [0] == row && validLocation [1] == col)
{
continue;
}
//check and see if the spot is empty
checkPegScript = board[i][j].GetComponent <PegScript>();
if (checkPegScript.getHasPeg() == false)
{
//ROW4_0 breaks the algrorithm -> Check for this one edge case
if (peg.name.Equals("Row4_0") && i == 2 && j == 2)
{
continue;
}
//if there is a peg in between them then it is a valid move
middlePeg = getPegInbetween(peg, board[i][j]);
middlePegScript = middlePeg.GetComponent <PegScript> ();
if (middlePegScript.getHasPeg() == true)
{
locationList.Add(board [i] [j]);
}
}
}
}
return(locationList);
}
//checks all of the game objects to search for isSelected = true
//restricts selection to one peg only
GameObject checkSelectedPeg()
{
for (int i = 0; i < board.Count; i++)
{
for (int j = 0; j < board [i].Length; j++)
{
currentPeg = board [i] [j];
currentPegScript = board [i] [j].GetComponent <PegScript> ();
//checks if the selection is a peg
if (currentPegScript.getIsSelected() == true && currentPegScript.getHasPeg() == true)
{
if (currentPeg.Equals(previousPeg))
{
//continues the loop to check for a new peg
continue;
}
else
{
//set previous peg to not selected
if (previousPeg != null)
{
previousPegScript = previousPeg.GetComponent <PegScript>();
previousPegScript.setIsSelected(false);
previousPegScript.setPeg();
}
currentPegScript.setPegSelected();
previousPeg = currentPeg;
return(currentPeg);
}
}
//checks if the selection is an empty space
else if (currentPegScript.getIsSelected() == true && currentPegScript.getHasPeg() == false)
{
//if its a valid move
if (validMoves != null)
{
if (validMoves.Contains(currentPeg))
{
//set the previous peg to empty
if (previousPeg != null)
{
previousPegScript = previousPeg.GetComponent <PegScript> ();
previousPegScript.setIsSelected(false);
previousPegScript.setHasPeg(false);
previousPegScript.setEmpty();
}
currentPegScript.setPeg();
previousPeg = currentPeg;
return(currentPeg);
}
//if its not a valid move, remove the isSelected return the seleted peg
else
{
currentPegScript.setIsSelected(false);
return(selectedPeg);
}
}
}
}
}
//always return the current peg in case of errant clicks
return(selectedPeg);
}
public override bool CheckWinState(GameObject[] pegs)
{
PegScript lastPeg = (pegs[2].GetComponent <PegScript>() as PegScript);
return(lastPeg.HasCompleteTower());
}
