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| var readline = require('readline');
var ChessBoard = require("./ChessBoard"),
Piece = require("./Piece"),
Position = require("./Position");
Array.prototype.containPoint = function(k) {
for(p in this) {
if(this[p].x == k.x && this[p].y == k.y) {
return true;
}
}
return false;
}
function ChineseChessBoard() {
this.playerCounter = 1,
this.playerColorInt = 0,
this.chessBoard = new ChessBoard(),
this.buf = readline.createInterface({
input: process.stdin,
output: process.stdout
});
this.loop();
}
ChineseChessBoard.prototype.loop = function() {
var self = this;
this.askHeader(function() {
self.askNormalMove(function() {
self.askTargetMove(function() {
self.movePiece(function() {
self.checkWinner(function() {
self.loop();
});
});
});
});
})
}
ChineseChessBoard.prototype.askHeader = function(next_step) {
if (this.playerCounter % 2 == 0) {
this.playerColorName = "BLACK";
this.playerColorInt = Piece.BLACK;
}else{
this.playerColorName = "RED";
this.playerColorInt = Piece.RED;
}
this.showMessage(this.chessBoard.toString());
this.showMessage("[" + this.playerColorName + "]\n");
next_step();
}
ChineseChessBoard.prototype.askNormalMove = function(next_step) {
var self = this;
this.buf.question("Please choose a chess to move (x y): ", function(answer) {
var tempPos = answer.split(" ");
if (tempPos[0] == "-1") {
process.exit(1);
}else if (tempPos.length != 2) {
self.showError("Please enter a X and Y");
self.askNormalMove(next_step);
}else if (/^[0-9]+$/.test(tempPos[0]) === false) {
self.showError("x is not a digi");
self.askNormalMove(next_step);
}else if (/^[0-9]+$/.test(tempPos[1]) === false) {
self.showError("y is not a digi");
self.askNormalMove(next_step);
}else{
self.selfX = tempPos[0];
self.selfY = tempPos[1];
if (self.chessBoard.getPieceAt(self.selfX, self.selfY) == null) {
self.showError("(" + self.selfX + "," + self.selfY + ") not a piece");
self.askNormalMove(next_step);
}else if (self.chessBoard.getPieceAt(self.selfX, self.selfY).getColor() != self.playerColorInt) {
self.showError("This is not your piece");
self.askNormalMove(next_step);
}else{
var name = self.chessBoard.getPieceAt(self.selfX, self.selfY).getName();
self.showMessage("\nYou have chosen a " + name + ", the " + name + " can move to\n");
self.availableMovement = self.chessBoard.getPieceAt(self.selfX, self.selfY).getAvailableMovement();
if (self.availableMovement.length <= 0) {
self.showError("Not position can move");
self.askNormalMove(next_step);
}else{
self.showMessage(self.availableMovement.join(" "));
next_step();
}
}
}
});
}
ChineseChessBoard.prototype.askTargetMove = function(next_step) {
var self = this;
this.buf.question("\nPlease enter the target position (x y): ", function(answer) {
var tempPos = answer.split(" ");
if (tempPos[0] == "-1") {
process.exit(1);
}else if (tempPos.length != 2) {
self.showError("Please enter a X and Y");
self.askTargetMove(next_step);
}else if (/^[0-9]+$/.test(tempPos[0]) === false) {
self.showError("x is not a digi");
self.askTargetMove(next_step);
}else if (/^[0-9]+$/.test(tempPos[1]) === false) {
self.showError("y is not a digi");
self.askTargetMove(next_step);
}else{
self.targetX = tempPos[0];
self.targetY = tempPos[1];
if (!self.availableMovement.containPoint(new Position(self.targetX, self.targetY))) {
self.showError("X and Y is can not go to (" + self.targetX + "," + self.targetY + ")");
self.askTargetMove(next_step);
}else{
next_step();
}
}
});
}
ChineseChessBoard.prototype.movePiece = function(next_step) {
this.piece = this.chessBoard.getPieceAt(this.targetX, this.targetY);
this.flag = false;
if (!this.chessBoard.isEmpty(this.targetX, this.targetY)) {
this.showMessage("*** a "+ (this.piece.getColor() == Piece.BLACK ? "BLACK" : "RED") + " "+ this.piece.getName() +" was captured ***\n\n");
this.piece.captured();
this.flag = true;
}
this.chessBoard.getPieceAt(this.selfX, this.selfY).move(this.targetX, this.targetY);
next_step();
}
ChineseChessBoard.prototype.checkWinner = function(next_step) {
if (this.flag && this.piece.getName() == "Marshal") {
this.showMessage(this.chessBoard+"\n\n");
this.showMessage("*** " + this.playerColorName + " WIN ***\n\n");
process.exit(1);
}
this.playerCounter++;
next_step();
}
ChineseChessBoard.prototype.showMessage = function(message) {
console.log(message);
}
ChineseChessBoard.prototype.showError = function(message) {
console.log("[Error]: " + message);
}
new ChineseChessBoard();
|
