XYCoords

package com.aezart.darkmaze;

public final class XYCoords {
    private final int x;
    private final int y;

    public XYCoords(int x, int y){
        this.x = x;
        this.y = y;
    }

    public XYCoords(int xTile, int yTile, int xOffset, int yOffset){
        this.x = xTile*32 + xOffset;
        this.y = yTile*32 + yOffset;
    }


    public final int x(){
        return x;
    }

    public final int y(){
        return y;
    }

    public final XYCoords plus(int x, int y){
        return new XYCoords(this.x+x, this.y+y);
    }
    public final int xTile(){
        return x/32;
    }

    public final int yTile(){
        return y/32;
    }

    public final boolean equalsTile(XYCoords xy){
        if (xy == null){
            return false;
        }

        return this.xTile() == xy.xTile() && this.yTile() == xy.yTile();
    }

    @Override
    public final boolean equals(Object xy){
        if (xy == null){
            return false;
        }
        if (! (xy instanceof XYCoords)){
            return false;
        }
        return this.x() == ((XYCoords)xy).x() && this.y() == ((XYCoords)xy).y();
    }

    @Override
    public final int hashCode(){
        return ((x * y) + 29)*37;
    }
}