chessitem.java

ajax chessajax chessajax chessajax chess

package chs;

public class ChessItem {
	protected ChessBoard b = null;
	
	boolean a = true;
	String id = "";
	int x, y;
	
	public ChessItem(String id, int x, int y) {

		this.id = id;
		this.x = x;
		this.y = y;
	}

	public ChessItem(ChessBoard b, String id, int x, int y) {
		this.b = b;
		this.id = id;
		this.x = x;
		this.y = y;
	}
	
	public boolean isType(char t){
		return this.id.charAt(1) == (t);
	}
	
	public boolean isItem(String id){
		return this.id.equals(id);
	}
	public boolean isAt(int x, int y){
		return this.x == x && this.y == y;
	}

	public void dead(){
		a = false;
	}
	
	public boolean isDead(){
		return !a;
	}
	
	public boolean isLive(){
		return a;
	}

	public boolean moveTo(int x, int y){
		
		return false;
	}
	
	public void setBoard(ChessBoard b) {
		this.b = b;
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	public int getX() {
		return x;
	}

	public void setX(int x) {
		this.x = x;
	}

	public int getY() {
		return y;
	}

	public void setY(int y) {
		this.y = y;
	}
	
	public boolean isOnStep(int x, int y){
		return (Math.abs(this.x - x) + Math.abs(this.y - y)) == 1 ;
	}
	
	public boolean isInBase(int x, int y){
		return (x < 4 || x > 6 || y < 1 || y > 10) || (y > 3 && y < 8);
	}
	
	public boolean isOnLine(int x, int y){
		return this.x == x || this.y == y;
	}

	public boolean isOnLine(int x0, int y0, int x1, int y1){
		if(x0 == x1){
			return x==x0 && (y-y0)*(y-y1) < 0;
		}else if(y0 == y1){
			return y==y0 && (x-x0)*(x-x1) < 0;
		}else{
			return false;
		}
	}
	
	public int getCenterX(int x){
		return this.x + (x - this.x)/2;
	}
	public int getCenterY(int y){
		return this.y + (y - this.y)/2;
	}
	
	
};