public static void GenerateSuccessors(Node node)
{
//Player 1 prioritizes moving up -> left or right -> Wall -> Down (tentative Move Ordering)
PlayerInfo[] playerStatus = board.playerStatus;
int p = node.Player;
int nextPlayer = (p + 1) % 2;
ActionFunction undo = new ActionFunction(Board.UndoMovePawn, p, playerStatus[p].x, playerStatus[p].y);
#region Player 1's Successors
if (node.Player == PLAYER1) //first check in all if statemtents is the players position in relation to moving
{
//Move up
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 1, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 1, playerStatus[p].y), undo, nextPlayer));
}
else
{
// going up jumping over 1 player directly
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 2, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 2, playerStatus[p].y), undo, nextPlayer));
}
// going Up by 1 and Right by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 1, playerStatus[p].y + 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 1, playerStatus[p].y + 1), undo, nextPlayer));
}
//going Left by 1 AND Up by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 1, playerStatus[p].y - 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 1, playerStatus[p].y - 1), undo, nextPlayer));
}
}
//Move Left
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y - 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y - 1), undo, nextPlayer));
}
// going Left jumping over 1 player directly
else if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y - 2))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y - 2), undo, nextPlayer));
}
//Move Right
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y + 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y + 1), undo, nextPlayer));
}
//going Right by jumping over 1 player directly
else if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y + 2))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y + 2), undo, nextPlayer));
}
//Move Down
// going down by 1 (checks on location and for walls)
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x + 1, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x + 1, playerStatus[p].y), undo, nextPlayer));
}
else
{
// going down jumping over 1 player directly
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x + 2, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x + 2, playerStatus[p].y), undo, nextPlayer));
}
// going Down by 1 AND to the Left by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x + 1, playerStatus[p].y - 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x + 1, playerStatus[p].y - 1), undo, nextPlayer));
}
// going Right by 1 AND Down by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 1, playerStatus[p].y + 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 1, playerStatus[p].y + 1), undo, nextPlayer));
}
}
}
#endregion
#region Player 2's Successors
else
{
//Player 2 prioritizes moving down -> left or right -> Wall -> Up (tentative Move Ordering)
//Move Down
// going down by 1 (checks on location and for walls)
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x + 1, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x + 1, playerStatus[p].y), undo, nextPlayer));
}
else
{
// going down jumping over 1 player directly
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x + 2, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x + 2, playerStatus[p].y), undo, nextPlayer));
}
// going Down by 1 AND to the Left by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x + 1, playerStatus[p].y - 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x + 1, playerStatus[p].y - 1), undo, nextPlayer));
}
// going Right by 1 AND Down by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x + 1, playerStatus[p].y + 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x + 1, playerStatus[p].y + 1), undo, nextPlayer));
}
}
//Move Left
// if (playerStatus[p].y - 1 >= 0)
// {
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y - 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y - 1), undo, nextPlayer));
}
// going Left jumping over 1 player directly
else if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y - 2))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y - 2), undo, nextPlayer));
}
//}
//Move Right
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y + 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y + 1), undo, nextPlayer));
}
//going Right jumping over 1 player directly
else if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x, playerStatus[p].y + 2))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x, playerStatus[p].y + 2), undo, nextPlayer));
}
//Move up
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 1, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 1, playerStatus[p].y), undo, nextPlayer));
}
else
{
// going up jumping over 1 player directly
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 2, playerStatus[p].y))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 2, playerStatus[p].y), undo, nextPlayer));
}
// going Up by 1 and Right by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 1, playerStatus[p].y + 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 1, playerStatus[p].y + 1), undo, nextPlayer));
}
//going Left by 1 AND Up by 1
if (board.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, playerStatus[p].x - 1, playerStatus[p].y - 1))
{
node.Children.Add(new Node(new ActionFunction(Board.MovePawn, p, playerStatus[p].x - 1, playerStatus[p].y - 1), undo, nextPlayer));
}
}
}
#endregion
#region Wall Generation (for both players) taking too long
if (playerStatus[p].wallsLeft == 0) // player has no wall left
{
return;
}
ActionFunction undoWall;
for (int x = 0; x < Board.BOARD_SIZE - 1; x++)
{
for (int y = 0; y < Board.BOARD_SIZE - 1; y++)
{
//Horizontal Wall
if (board.CheckWallH(x, y))
{
undoWall = new ActionFunction(Board.UndoPlaceHorizontalWall, p, x, y);
node.Children.Add(new Node(new ActionFunction(Board.PlaceHorizontalWall, p, x, y), undoWall, nextPlayer));
}
//Vertical Wall
if (board.CheckWallV(x, y))
{
undoWall = new ActionFunction(Board.UndoPlaceVerticalWall, p, x, y);
node.Children.Add(new Node(new ActionFunction(Board.PlaceVerticalWall, p, x, y), undoWall, nextPlayer));
}
}
}
#endregion
}
private IEnumerator PlayersTurn(int p) // Player Controls
{
MessageText.text = "";
//int p = playerNum - 1;
//move or choose wall
playerStatus[p].currentTurn = true;
playersTurnText.text = "Player " + (p + 1) + "'s Turn!";
while (playerStatus[p].currentTurn)
{
// Passing Turn
if (Input.GetKeyUp(KeyCode.X))
{
playersTurnText.text = "Player " + (p + 1) + " Passes!";
playerStatus[p].currentTurn = false;
yield return(m_StartWait);
// Debug.Log("Player " + (p + 1) + "Passes.");
}
ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
bool collisionFound = Physics.Raycast(ray, out hit);
// Moving Handler
if (Input.GetMouseButtonUp(0))
{
GameObject tempObj;
if (collisionFound)
{
if (hit.transform.tag == "Board")
{
gameSquareInfo tempSquare;
int xDiff;
int yDiff;
tempObj = hit.collider.gameObject;
tempSquare = tempObj.GetComponent <gameSquareInfo>();
xDiff = tempSquare.x - playerStatus[p].x;
yDiff = tempSquare.y - playerStatus[p].y;
//no matter what, chosen board must be available
if (tempSquare.isOpen)
{
// DOWN-----------------------------------------------------------
// going down by 1 (checks on location and for walls)
if (xDiff == 1 && yDiff == 0 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// going down jumping over 1 player directly
else if (xDiff == 2 && yDiff == 0 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// going Down by 1 AND to the Left by 1
else if (xDiff == 1 && yDiff == -1 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// UP-----------------------------------------------------------------------
// going up by 1 (checks on location and for walls)
else if (xDiff == -1 && yDiff == 0 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// going up jumping over 1 player directly
else if (xDiff == -2 && yDiff == 0 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// going Up by 1 AND Right by 1
else if (xDiff == -1 && yDiff == 1 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// LEFT-----------------------------------------------------------------------
// going Left by 1 (checks on location and for walls)
else if (xDiff == 0 && yDiff == -1 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// going Left jumping over 1 player directly
else if (xDiff == 0 && yDiff == -2 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
//going Left by 1 AND Up by 1
else if (xDiff == -1 && yDiff == -1 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// RIGHT-----------------------------------------------------------------------
// going Right by 1 (checks on location and for walls)
else if (xDiff == 0 && yDiff == 1 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
else if (xDiff == 0 && yDiff == 2 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
// going Right by 1 AND Down by 1
else if (xDiff == 1 && yDiff == 1 &&
MainBoard.IsPawnMoveLegal(playerStatus[p].x, playerStatus[p].y, tempSquare.x, tempSquare.y))
{
RenderPawnPosition(p, tempSquare.x, tempSquare.y);
Board.MovePawn(MainBoard, p, tempSquare.x, tempSquare.y);
playerStatus[p].currentTurn = false;
}
}
} //end of "Board" tag
//PLACING HORIZONTAL WALLS via Left-Click--------------------------------------------------
if (hit.transform.tag == "Peg")
{
WallPeg tempPeg;
tempObj = hit.collider.gameObject;
tempPeg = tempObj.GetComponent <WallPeg>();
//if wall can be placed, place it and end turn
if (playerStatus[p].wallsLeft > 0 && MainBoard.CheckWallH(tempPeg.x, tempPeg.y))
{
RenderWall(tempPeg.x, tempPeg.y, true);
Board.PlaceHorizontalWall(MainBoard, p, tempPeg.x, tempPeg.y);
playerStatus[p].currentTurn = false;
UpdateWallRemTxt();
}
}
}
}//end of Left Click if-statement
//PLACING VERTICAL WALLS via Right-Click---------------------------------------------------
if (Input.GetMouseButtonUp(1))
{
if (collisionFound)
{
GameObject tempObj;
if (hit.transform.tag == "Peg")
{
WallPeg tempPeg;
tempObj = hit.collider.gameObject;
tempPeg = tempObj.GetComponent <WallPeg>();
//if wall can be placed, place it and end turn
if (playerStatus[p].wallsLeft > 0 && MainBoard.CheckWallV(tempPeg.x, tempPeg.y))
{
RenderWall(tempPeg.x, tempPeg.y, false);
Board.PlaceVerticalWall(MainBoard, p, tempPeg.x, tempPeg.y);
playerStatus[p].currentTurn = false;
UpdateWallRemTxt();
}
}
}
}//end of Right Click if statement
yield return(null);
}// end of current turn while loop
}