Import decompiled source from 2010 launcher jar

1 files changed, 218 insertions, 0 deletions

diff --git a/src/net/minecraft/Launcher.java b/src/net/minecraft/Launcher.java
new file mode 100644
index 0000000..d2275df
--- /dev/null
+++ b/src/net/minecraft/Launcher.java
@@ -0,0 +1,218 @@
+package net.minecraft;
+
+import java.applet.Applet;
+import java.awt.*;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.HashMap;
+
+public class Launcher extends Applet implements Runnable, AppletStub {
+	public Map<String, String> customParameters = new HashMap<String, String>();
+	private static final long serialVersionUID = 1L;
+	private GameUpdater gameUpdater;
+	private boolean gameUpdaterStarted = false;
+	private Applet applet;
+	private Image bgImage;
+	private boolean active = false;
+	private int context = 0;
+
+	private VolatileImage img;
+
+
+	public boolean isActive() {
+		if (this.context == 0) {
+			this.context = -1;
+			try {
+				if (getAppletContext() != null) this.context = 1;
+			} catch (Exception exception) {
+			}
+		}
+
+		if (this.context == -1) return this.active;
+		return super.isActive();
+	}
+
+
+	public void init(String userName, String latestVersion, String downloadTicket, String sessionId) {
+		try {
+			this.bgImage = ImageIO.read(LoginForm.class.getResource("dirt.png")).getScaledInstance(32, 32, 16);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+
+		this.customParameters.put("username", userName);
+		this.customParameters.put("sessionid", sessionId);
+
+		this.gameUpdater = new GameUpdater(latestVersion, "minecraft.jar?user=" + userName + "&ticket=" + downloadTicket);
+	}
+
+	public boolean canPlayOffline() {
+		return this.gameUpdater.canPlayOffline();
+	}
+
+	public void init() {
+		if (this.applet != null) {
+			this.applet.init();
+			return;
+		}
+		init(getParameter("userName"), getParameter("latestVersion"), getParameter("downloadTicket"), getParameter("sessionId"));
+	}
+
+	public void start() {
+		if (this.applet != null) {
+			this.applet.start();
+			return;
+		}
+		if (this.gameUpdaterStarted)
+			return;
+		Thread t = new Thread() {
+			public void run() {
+				Launcher.this.gameUpdater.run();
+				try {
+					if (!Launcher.this.gameUpdater.fatalError) {
+						Launcher.this.replace(Launcher.this.gameUpdater.createApplet());
+					}
+				} catch (ClassNotFoundException e) {
+					e.printStackTrace();
+				} catch (InstantiationException e) {
+					e.printStackTrace();
+				} catch (IllegalAccessException e) {
+					e.printStackTrace();
+				}
+			}
+		};
+		t.setDaemon(true);
+		t.start();
+
+		t = new Thread() {
+			public void run() {
+				while (Launcher.this.applet == null) {
+					Launcher.this.repaint();
+					try {
+						Thread.sleep(10L);
+					} catch (InterruptedException e) {
+						e.printStackTrace();
+					}
+				}
+			}
+		};
+		t.setDaemon(true);
+		t.start();
+
+		this.gameUpdaterStarted = true;
+	}
+
+	public void stop() {
+		if (this.applet != null) {
+			this.active = false;
+			this.applet.stop();
+		}
+	}
+
+	public void destroy() {
+		if (this.applet != null) {
+			this.applet.destroy();
+		}
+	}
+
+	public void replace(Applet applet) {
+		this.applet = applet;
+		applet.setStub(this);
+		applet.setSize(getWidth(), getHeight());
+
+		setLayout(new BorderLayout());
+		add(applet, "Center");
+
+		applet.init();
+		this.active = true;
+		applet.start();
+		validate();
+	}
+
+
+	public void update(Graphics g) {
+		paint(g);
+	}
+
+	public void paint(Graphics g2) {
+		if (this.applet != null)
+			return;
+		int w = getWidth() / 2;
+		int h = getHeight() / 2;
+		if (this.img == null || this.img.getWidth() != w || this.img.getHeight() != h) {
+			this.img = createVolatileImage(w, h);
+		}
+
+		Graphics g = this.img.getGraphics();
+		for (int x = 0; x <= w / 32; x++) {
+			for (int y = 0; y <= h / 32; y++)
+				g.drawImage(this.bgImage, x * 32, y * 32, null);
+		}
+		g.setColor(Color.LIGHT_GRAY);
+
+
+		String msg = "Updating Minecraft";
+		if (this.gameUpdater.fatalError) {
+			msg = "Failed to launch";
+		}
+
+		g.setFont(new Font(null, 1, 20));
+		FontMetrics fm = g.getFontMetrics();
+		g.drawString(msg, w / 2 - fm.stringWidth(msg) / 2, h / 2 - fm.getHeight() * 2);
+
+		g.setFont(new Font(null, 0, 12));
+		fm = g.getFontMetrics();
+		msg = this.gameUpdater.getDescriptionForState();
+		if (this.gameUpdater.fatalError) {
+			msg = this.gameUpdater.fatalErrorDescription;
+		}
+
+		g.drawString(msg, w / 2 - fm.stringWidth(msg) / 2, h / 2 + fm.getHeight());
+		msg = this.gameUpdater.subtaskMessage;
+		g.drawString(msg, w / 2 - fm.stringWidth(msg) / 2, h / 2 + fm.getHeight() * 2);
+
+		if (!this.gameUpdater.fatalError) {
+			g.setColor(Color.black);
+			g.fillRect(64, h - 64, w - 128 + 1, 5);
+			g.setColor(new Color(32768));
+			g.fillRect(64, h - 64, this.gameUpdater.percentage * (w - 128) / 100, 4);
+			g.setColor(new Color(2138144));
+			g.fillRect(65, h - 64 + 1, this.gameUpdater.percentage * (w - 128) / 100 - 2, 1);
+		}
+
+		g.dispose();
+
+
+		g2.drawImage(this.img, 0, 0, w * 2, h * 2, null);
+	}
+
+
+	public void run() {
+	}
+
+	public String getParameter(String name) {
+		String custom = this.customParameters.get(name);
+		if (custom != null) return custom;
+		try {
+			return super.getParameter(name);
+		} catch (Exception e) {
+			this.customParameters.put(name, null);
+			return null;
+		}
+	}
+
+
+	public void appletResize(int width, int height) {
+	}
+
+	public URL getDocumentBase() {
+		try {
+			return new URL("http://www.minecraft.net/game/");
+		} catch (MalformedURLException e) {
+			e.printStackTrace();
+
+			return null;
+		}
+	}
+}