animation.java

/*
 * This class stores the animation methods for the fading animation.
 * It is used to transition between settings of each map.
 * Also used for the beginning where you click play and it loads you
 * into the first map.
 */


import java.awt.*;
import java.awt.AlphaComposite;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import java.io.*;
import javax.swing.*;
import javax.swing.Timer;

public class animation implements ActionListener{
	public static float alpha = 1.0f;

	// -1 = no fade, 1 = fade in, 2 = fade out
	public static boolean fading = false;
	public static boolean faded = false;
	public static int fade = -1;
	public static double fadeSpeed;
	public static boolean wait = false;

	// time
	Timer timer = new Timer(20, this);
	public undertale game;

	public animation(undertale e){

		game = e;
	}
	
	
	/*
	 * The "father" method of fade.
	 * The main file will call this file that fades out one image and 
	 * fades in the other. There is also a speed if you want to fade it quicker.
	 */
	public void fade(BufferedImage start, BufferedImage end, String speed) {
		fading = true;
		if (speed.equals("fast")) {
			fadeSpeed = 0.05;
		}
		else if (speed.equals("slow")){
			fadeSpeed = 0.01;
		}
		timer.start();

	}
	
	
	/*
	 * The method to decrease the opacity of an image.
	 * It may also pause at a black screen just for dramatic effect.
	 * It also changes globalPosition to the appropriate value for 
	 * maps that have the camera move. 
	 */
    public void fadeOut() {
        alpha -= fadeSpeed;
        if (alpha < 0) {
            alpha = 0;
            faded = true;
            if (wait) {
                try {
                    Thread.sleep(3000);
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            game.mapX = 0;
            game.mapY = 0;

            if (game.gameState == 1 && game.setting == 4 && game.change == 1) {
                game.mapY = -610;
                System.out.println("WRONG!!");
            }

            else if (game.gameState == 1 && game.setting == 3 && game.change == 2) {
                game.mapY = -610;
                System.out.println("HESHEDASG");
                // when coming back from snowden, map needs to draw at -140
            }
            else if (game.gameState == 1 && game.setting == 4 && game.change == 2) {
                game.mapY = -145;
                game.globalPos = 240;
            }

            else if (game.gameState == 2 && game.setting == 1 && game.change == 2) {
                game.mapX = -830;
            }
            else if(game.gameState == 2 && game.setting == 4 && game.change == 1) {
				game.globalPos = 60; 
			}
			else if (game.gameState == 2 && game.setting == 4 && game.change == 2) {
				game.mapX = -670;
				game.globalPos = 1595;
			}
        }
    }
    
    
    /*
     * Method to increase opacity of an image to 100%
     * Will fade in an image.
     */
	public void fadeIn() {
		alpha += fadeSpeed;
		if (alpha > 1) {
			alpha = 1;
			fading = false;
			faded = false;
			timer.stop();
		}
	}
	
	
	/*
	 * The method that is called every 20 milliseconds by the timer
	 * Checks if we are fading out or not, and executes the corresponding methods 
	 */
	@Override
	public void actionPerformed(ActionEvent arg0) {
		// TODO Auto-generated method stub
		if (!faded) { // if we are currently fading out
			fadeOut();
		}

		else {
			fadeIn();
		}
		game.repaint();

	}



}