SpriteBase.java

/*
  SpriteBase.java

  (c) 2008-2013 Edward Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package v9t9.common.video;


/**
 * Base class for a sprite
 * @author ejs
 *
 */
public abstract class SpriteBase {
	protected int x = -1;
	protected int y = -1;
	protected int sizeY, sizeX;
	protected int shift = -1;
	protected boolean deleted;
	protected boolean changed;

	public SpriteBase() {
		deleted = true;
	}
	
	/* (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	@Override
	public String toString() {
		return deleted ? "<<Sprite>>" :
			"Sprite @" + x + "," + y + " sz " + sizeX + "x" + sizeY;
	}
	public void move(int x, int y) {
		if (x != this.x || y != this.y) {
			this.x = x;
			this.y = y;
			setBitmapDirty(true);
		}
	}
	public int getSizeY() {
		return sizeY;
	}
	public int getSizeX() {
		return sizeX;
	}
	public void setSize(int size) {
		if (size != this.sizeY || size != this.sizeX) {
			this.sizeY = this.sizeX = size;
			setBitmapDirty(true);
		}
	}
	public void setSize(int sizeX, int sizeY) {
		if (sizeY != this.sizeY || sizeX != this.sizeX) {
			this.sizeY = sizeY;
			this.sizeX = sizeX;
			setBitmapDirty(true);
		}
	}
	public int getX() {
		return x;
	}

	public int getY() {
		return y;
	}
	
	public int getShift() {
		return shift;
	}
	public void setShift(int shift) {
		if (shift != this.shift) {
			this.shift = shift;
			setBitmapDirty(true);
		}
	}
	
	public void setDeleted(boolean deleted) {
		if (deleted != this.deleted) {
			this.deleted = deleted;
			setBitmapDirty(true);
		}
	}
	public boolean isDeleted() {
		return deleted;
	}
	
	/** Tell if the bitmap under the sprite is dirty,
	 * either due to the bitmap changing or the sprite changing */
	public boolean isBitmapDirty() {
		return changed;
	}

	public void setBitmapDirty(boolean flag) {
		this.changed = flag;
	}
	
}