/*

Neko the Cat!

Modification of Lemay's Neko in TYJ in 21 Days.

I broke the program into two specific threads - Applet and NekoThread.

This thread has 5 methods: pause, nekorun, nekoscratch, nekosleep and
run. They all call moveNeko from our Applet to place their specific cat
image on the screen.
*/

import java.awt.Image;

import Neko;

public class NekoThread extends Thread {

	Image	nekopics[] = new Image[9];
	String	nekosrc[] = { "right1.gif", "right2.gif", "stop.gif",
				"yawn.gif", "scratch1.gif", "scratch2.gif",
				"sleep1.gif", "sleep2.gif", "awake.gif" };
	int		x;
	int		y = 50;
	int		ni;	// Neko Index = which image is currently displayed
	Neko	n;

	public NekoThread(Neko n) {
		this.n = n;

		for (int i=0; i < nekopics.length; i++) {
			nekopics[i] = n.getImage(n.getDocumentBase(), "images/" + nekosrc[i]);
			}
		}

	void pause(int time) {
		try { sleep(time); }
		catch (InterruptedException e) { }
		}

	void nekorun(int start, int end) {
		ni = 0;	// We always start a run with "right1.gif"
		
		for (x = start; x < end; x += 10) {
			n.moveNeko(nekopics[ni], x, y);

			if (ni == 0)	// swap images
				 ni = 1;
			else ni = 0;

			pause(150);
			}
		}

	void nekoscratch(int numtimes) {
		for (int i = numtimes; i > 0; i--) {
			n.moveNeko(nekopics[4], x, y);
			pause(150);

			n.moveNeko(nekopics[5], x, y);
			pause(150);
			}
		}

	void nekosleep(int numtimes) {
		for (int i = numtimes; i > 0; i--) {
			n.moveNeko(nekopics[6], x, y);
			pause(250);

			n.moveNeko(nekopics[7], x, y);
			pause(250);
			}
		}

	public void run() {
		while (true) {
			// run from one side of the screen to the middle
			nekorun(0, n.size().width / 2);

			// stop and pause
			n.moveNeko(nekopics[2], x, y);
			pause(1000);

			// yawn
			n.moveNeko(nekopics[3], x, y);
			pause(1000);

			// scratch four times
			nekoscratch(4);

			// sleep for 5 seconds
			nekosleep(5);

			// wake up
			n.moveNeko(nekopics[8], x, y);
			pause(500);

			// run off screen
			nekorun(x, n.size().width + 10);
			}
		}
	}