public override bool ValidMoves(int x, int y, GameBoard gameboard)
{
int CurrentX = this.getCurrentPosition().Item1;
int CurrentY = this.getCurrentPosition().Item2;
//to right
if (y == CurrentY + 2 && (x == CurrentX + 1 || x == CurrentX - 1))
{
//whether stuck by other pieces ?
if (gameboard.getPieces()[CurrentX, CurrentY + 1] == null)
{
return(true);
}
}
//to left
if (y == CurrentY - 2 && (x == CurrentX + 1 || x == CurrentX - 1))
{
//whether stuck by other pieces ?
if (gameboard.getPieces()[CurrentX, CurrentY - 1] == null)
{
return(true);
}
}
//to up
if (x == CurrentX - 2 && (y == CurrentY + 1 || y == CurrentY - 1))
{
//whether stuck by other pieces ?
if (gameboard.getPieces()[CurrentX - 1, CurrentY] == null)
{
return(true);
}
}
//to down
if (x == CurrentX + 2 && (y == CurrentY + 1 || y == CurrentY - 1))
{
//whether stuck by other pieces ?
if (gameboard.getPieces()[CurrentX + 1, CurrentY] == null)
{
return(true);
}
}
return(false);
}
public override bool ValidMoves(int x, int y, GameBoard gameboard)
{
Piece[,] board = gameboard.getPieces();
int temp_x;
//Determining whether the current player is red or black
if (player == "red")
{
temp_x = 0;
}
else
{
temp_x = 5;
}
//Determining compliance with the rules of moving pieces(田）
if (x >= temp_x && x <= (temp_x + 4) && y >= 0 && y <= 8)
{
if (x - intX == 2 || x - intX == -2)
{
if (y - intY == 2 || y - intY == -2)
{
//Determine if there are any pieces in the middle of "田"
if (board[(x + intX) / 2, (y + intY) / 2] == null)
{
//Determine if there are pawns in the target position
if (board[x, y] != null)
{
//Determine whether the piece in the target position is your own pawn
if (board[x, y].getPlayer() == this.player)
{
return(false);
}
}
return(true);
}
}
}
}
return(false);
}
public override bool ValidMoves(int x, int y, GameBoard gameboard)
{
Piece[,] board = gameboard.getPieces();
int temp_x;
//Determining whether the current player is red or black
if (player == "red")
{
temp_x = 0;
}
else
{
temp_x = 7;
}
//Determine if the end point is in the palace
if (x <= (temp_x + 2) && x >= temp_x && y <= 5 && y >= 3)
{
//Determining compliance with the rules of moving pieces (diagonal)
if ((x - intX == 1 || x - intX == -1) && (y - intY == 1 || y - intY == -1))
{
//Determine if there are pawns in the target position
if (board[x, y] != null)
{
//Determine whether the piece in the target position is your own pawn
if (board[x, y].getPlayer() == this.player)
{
return(false);
}
}
return(true);
}
}
return(false);
}
public override bool ValidMoves(int x, int y, GameBoard gameboard)
{
int CurrentX = this.getCurrentPosition().Item1;
int CurrentY = this.getCurrentPosition().Item2;
//to count how many pieces on the way it move forward
int count = -1;
//move horizontally
if (x == CurrentX && y != CurrentY)
{
if (y > CurrentY)
{
//to right
count = 0;
for (int i = CurrentY + 1; i < y; i++)
{
if (gameboard.getPieces()[x, i] != null)
{
count++;
}
}
}
if (y < CurrentY)
{
//to left
count = 0;
for (int i = CurrentY - 1; i > y; i--)
{
if (gameboard.getPieces()[x, i] != null)
{
count++;
}
}
}
}
//move vertically
if (y == CurrentY && x != CurrentX)
{
//up
if (x < CurrentX)
{
count = 0;
for (int i = CurrentX - 1; i > x; i--)
{
if (gameboard.getPieces()[i, y] != null)
{
count++;
}
}
}
//down
if (x > CurrentX)
{
count = 0;
for (int i = CurrentX + 1; i < x; i++)
{
if (gameboard.getPieces()[i, y] != null)
{
count++;
}
}
}
}
//move and eat the piece
if (count == 1 && gameboard.getPieces()[x, y] != null) //if count == 1 it means that there is only one piece on the way it move
{
return(true); //forward and it must be the eaten piece
}
//just move the Cannon
if (count == 0 && gameboard.getPieces()[x, y] == null) //if count == 0 it means that there is no piece on the way it move forward
{
return(true); //and the destination must of no piece
}
return(false);
}
public override bool ValidMoves(int x, int y, GameBoard gameboard)
{
int intX = this.getCurrentPosition().Item1;
int intY = this.getCurrentPosition().Item2;
//judge the relative position between red and black
if (gameboard.getPieces()[x, y] != null)
{ //from red to black
if (gameboard.getPieces()[x, y].getPieceWords() == "G" && gameboard.getPieces()[x, y].getPlayer() == "black" &&
x >= 7 && x <= 9 && y == intY)
{
for (int i = intX + 1; i < x; i++)
{
if (gameboard.getPieces()[i, y] != null)
{
return(false);
}
}
return(true); //if true the general could eat the opponent general piece directly
}//from black to red
else if (gameboard.getPieces()[x, y].getPieceWords() == "G" && gameboard.getPieces()[x, y].getPlayer() == "red" &&
x >= 0 && x <= 2 && y == intY)
{
for (int i = intX - 1; i > x; i--)
{
if (gameboard.getPieces()[i, y] != null)
{
return(false);
}
}
return(true); //if true the general could eat the opponent general piece directly
}
}
if (player == "red")//Judge the player is red or black
{
if (x < 0 || x > 2)
{
return(false);
}
}
else
{
if (x < 7 || x > 9)
{
return(false);
}
}
if (y < 3 || y > 5)
{
return(false);
}
//Judge the moving less than one
if ((Math.Abs(intX - x) + Math.Abs(intY - y)) <= 1)
{
//go right
if (gameboard.getPieces()[x, y] != null) // Judge the next position doesn't have piece
{
if (gameboard.getPieces()[x, y].getPlayer() == this.player) // Judge the player is red or black
{
return(false);
}
}
return(true);
}
else
{
return(false);
}
}
public override bool ValidMoves(int x, int y, GameBoard gameboard)
{
int CurrentX = this.getCurrentPosition().Item1;
int CurrentY = this.getCurrentPosition().Item2;
//make the rook move horizontally
if (CurrentX == x && CurrentY != y)
{
//go right
if (y > CurrentY)
{
for (int i = CurrentY + 1; i < y; i++)
{
if (gameboard.getPieces()[x, i] != null) //if there is a piece on the way of its moving forward, then return false
{
return(false);
}
}
}
else
{
//go left
for (int i = CurrentY - 1; i > y; i--)
{
if (gameboard.getPieces()[x, i] != null) //the same
{
return(false);
}
}
}
return(true);
}
//move vertically
if (x != CurrentX && y == CurrentY)
{
//go down
if (x > CurrentX)
{
for (int i = CurrentX + 1; i < x; i++)
{
if (gameboard.getPieces()[i, y] != null) //the same
{
return(false);
}
}
}
else
{
//go up
for (int i = CurrentX - 1; i > x; i--)
{
if (gameboard.getPieces()[i, y] != null) //the same
{
return(false);
}
}
}
return(true);
}
return(false);
}