Game.java

package chess;
import java.io.Console;

public class Game {
    private static boolean gameEnd=false;

    public Game(){
        Board b = new Board();
        b.initialisePieces();
        b.printBoard();
        int c = 0;
        while (!gameEnd){
            //write the game logic

            String start, end;
            int i0 = 0;
            int j0 = 0;
            int i1 = 0;
            int j1 = 0;

            if (c == 0){
                System.out.println("--- Whites move ---");
                Console console = System.console();
                do{
                    start = console.readLine("> Enter origin: ");
                }
                while (!CheckInput.checkCoordinateValidity(start));

                i0 = Character.getNumericValue(start.charAt(0))-1;
                j0 = (start.charAt(1))-97;

                if(!b.hasPiece(i0, j0)){
                    System.out.println("No piece on " + start);
                    continue;
                }

                else if (b.getPiece(i0, j0).getColour()==PieceColour.BLACK) {
                    System.out.println("Not your piece");
                    continue;
                }

                do{
                    end = console.readLine("> Enter destination: ");
                }
                while (!CheckInput.checkCoordinateValidity(end));

                i1 = Character.getNumericValue(end.charAt(0))-1;
                j1 = (end.charAt(1))-97;

                if (b.hasPiece(i1,j1)){
                    if (b.getPiece(i1, j1).getColour()==PieceColour.WHITE) {
                        System.out.println("Cannot move here");
                        continue;
                    }
                    else {
                    	Piece p = b.getPiece(i0, j0);
                    	System.out.println(p);
                    	if (p.isLegitMove(i0, j0, i1, j1)){
                    		b.removePiece(i1, j1);
                    		b.movePiece(i0, j0, i1, j1, p);
                    		b.printBoard();
                    	}
                    	else {
                    		System.out.println("Invalid move");
                    		continue;
                    	}
                    }
                }


                else {

                    Piece p = b.getPiece(i0, j0);
                    if (p.isLegitMove(i0, j0, i1, j1)){
                    	b.movePiece(i0, j0, i1, j1, p);
                    	b.printBoard();
                    }
                    else{
                    	System.out.println("Invalid move");
                    	continue;
                    }
                }
                c = c + 1;

            }

            if (c == 1){
                System.out.println("--- Blacks move ---");
                Console console = System.console();
                do{
                    start = console.readLine("> Enter origin: ");
                }
                while (!CheckInput.checkCoordinateValidity(start));

                i0 = Character.getNumericValue(start.charAt(0))-1;
                j0 = (start.charAt(1))-97;

                if(!b.hasPiece(i0, j0)){
                    System.out.println("No piece on " + start);
                    continue;
                }

                else if (b.getPiece(i0, j0).getColour()==PieceColour.WHITE) {
                    System.out.println("Not your piece");
                    continue;
                }

                do{
                    end = console.readLine("> Enter destination: ");
                }
                while (!CheckInput.checkCoordinateValidity(end));

                i1 = Character.getNumericValue(end.charAt(0))-1;
                j1 = (end.charAt(1))-97;

                if (b.hasPiece(i1,j1)){
                    if (b.getPiece(i1, j1).getColour()==PieceColour.BLACK) {
                        System.out.println("Cannot move here");
                        continue;
                    }
                    else {
	                    Piece p = b.getPiece(i0, j0);
	                    if (p.isLegitMove(i0, j0, i1, j1)){
	                    	System.out.println("Captured");
	                    	b.removePiece(i1, j1);
	                    	b.movePiece(i0, j0, i1, j1, p);
	                    	b.printBoard();
	                    }
	                    else{
	                    	System.out.println("Invalid move");
	                    	continue;
	                   	}
					}
                }


                else {
                	Piece p = b.getPiece(i0, j0);
                	if (p.isLegitMove(i0, j0, i1, j1)){
                		b.movePiece(i0, j0, i1, j1, p);
                		b.printBoard();
                	}
                	else{
                		System.out.println("Invalid move");
                		continue;
                	}
                }
                c = c - 1;
            }


        }
	}
    public static void main (String args[]){
        Game g  = new Game();
    }
}