From b6d455a02bd338e9dc0faa09d4d8177ecd8d569a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sun, 10 Apr 2016 15:53:05 +0200
Subject: NOISSUE reorganize and document libraries

---
 .../org/multimc/legacy/LegacyLauncher.java         | 175 +++++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100644 libraries/launcher/org/multimc/legacy/LegacyLauncher.java

(limited to 'libraries/launcher/org/multimc/legacy')

diff --git a/libraries/launcher/org/multimc/legacy/LegacyLauncher.java b/libraries/launcher/org/multimc/legacy/LegacyLauncher.java
new file mode 100644
index 00000000..347bb1a2
--- /dev/null
+++ b/libraries/launcher/org/multimc/legacy/LegacyLauncher.java
@@ -0,0 +1,175 @@
+package org.multimc.legacy;/*
+ * Copyright 2012-2014 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import org.multimc.*;
+
+import java.applet.Applet;
+import java.awt.*;
+import java.io.File;
+import java.lang.reflect.Field;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+public class LegacyLauncher implements Launcher
+{
+	@Override
+	public int launch(ParamBucket params)
+	{
+		String userName, sessionId, windowTitle, windowParams, lwjgl;
+		String mainClass = "net.minecraft.client.Minecraft";
+		try
+		{
+			userName = params.first("userName");
+			sessionId = params.first("sessionId");
+			windowTitle = params.first("windowTitle");
+			windowParams = params.first("windowParams");
+			lwjgl = params.first("lwjgl");
+		} catch (NotFoundException e)
+		{
+			System.err.println("Not enough arguments.");
+			return -1;
+		}
+
+		String cwd = System.getProperty("user.dir");
+		Dimension winSize = new Dimension(854, 480);
+		boolean maximize = false;
+
+		String[] dimStrings = windowParams.split("x");
+
+		if (windowParams.equalsIgnoreCase("max"))
+		{
+			maximize = true;
+		}
+		else if (dimStrings.length == 2)
+		{
+			try
+			{
+				winSize = new Dimension(Integer.parseInt(dimStrings[0]), Integer.parseInt(dimStrings[1]));
+			} catch (NumberFormatException ignored) {}
+		}
+
+		File binDir = new File(cwd, "bin");
+		File lwjglDir;
+		if (lwjgl.equalsIgnoreCase("Mojang"))
+		{
+			lwjglDir = binDir;
+		}
+		else
+		{
+			lwjglDir = new File(lwjgl);
+		}
+
+		URL[] classpath;
+		{
+			try
+			{
+				classpath = new URL[]
+				{
+					new File(binDir, "minecraft.jar").toURI().toURL(),
+					new File(lwjglDir, "lwjgl.jar").toURI().toURL(),
+					new File(lwjglDir, "lwjgl_util.jar").toURI().toURL(),
+					new File(lwjglDir, "jinput.jar").toURI().toURL(),
+				};
+			} catch (MalformedURLException e)
+			{
+				System.err.println("Class path entry is badly formed:");
+				e.printStackTrace(System.err);
+				return -1;
+			}
+		}
+
+		String nativesDir = new File(lwjglDir, "natives").toString();
+
+		System.setProperty("org.lwjgl.librarypath", nativesDir);
+		System.setProperty("net.java.games.input.librarypath", nativesDir);
+
+		// print the pretty things
+		{
+			Utils.log("Main Class:");
+			Utils.log("  " + mainClass);
+			Utils.log();
+
+			Utils.log("Class Path:");
+			for (URL s : classpath)
+			{
+				Utils.log("  " + s);
+			}
+			Utils.log();
+
+			Utils.log("Native Path:");
+			Utils.log("  " + nativesDir);
+			Utils.log();
+		}
+
+		URLClassLoader cl = new URLClassLoader(classpath, LegacyLauncher.class.getClassLoader());
+
+		// Get the Minecraft Class and set the base folder
+		Class<?> mc;
+		try
+		{
+			mc = cl.loadClass(mainClass);
+
+			Field f = Utils.getMCPathField(mc);
+
+			if (f == null)
+			{
+				System.err.println("Could not find Minecraft path field. Launch failed.");
+				return -1;
+			}
+
+			f.setAccessible(true);
+			f.set(null, new File(cwd));
+		} catch (Exception e)
+		{
+			System.err.println("Could not set base folder. Failed to find/access Minecraft main class:");
+			e.printStackTrace(System.err);
+			return -1;
+		}
+
+		System.setProperty("minecraft.applet.TargetDirectory", cwd);
+
+		String[] mcArgs = new String[2];
+		mcArgs[0] = userName;
+		mcArgs[1] = sessionId;
+
+		Utils.log("Launching with applet wrapper...");
+		try
+		{
+			Class<?> MCAppletClass = cl.loadClass("net.minecraft.client.MinecraftApplet");
+			Applet mcappl = (Applet) MCAppletClass.newInstance();
+			LegacyFrame mcWindow = new LegacyFrame(windowTitle);
+			mcWindow.start(mcappl, userName, sessionId, winSize, maximize);
+		} catch (Exception e)
+		{
+			Utils.log("Applet wrapper failed:", "Error");
+			e.printStackTrace(System.err);
+			Utils.log();
+			Utils.log("Falling back to compatibility mode.");
+			try
+			{
+				mc.getMethod("main", String[].class).invoke(null, (Object) mcArgs);
+			} catch (Exception e1)
+			{
+				Utils.log("Failed to invoke the Minecraft main class:", "Fatal");
+				e1.printStackTrace(System.err);
+				return -1;
+			}
+		}
+
+		return 0;
+	}
+}
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