MCP patch and classwork

Start.java

@@ -0,0 +1,62 @@
+// PUBLIC DOMAIN
+// created by Searge
+
+import java.io.File;
+import java.lang.reflect.Field;
+
+import net.minecraft.client.Minecraft; 
+
+public class Start
+{
+
+	public static void main(String[] args)
+	{
+		try
+		{
+			// set new minecraft data folder to prevent it from using the .minecraft folder
+			// this makes it a portable version
+			Field f = net.minecraft.client.Minecraft.class.getDeclaredField("W");
+			Field.setAccessible(new Field[] { f }, true);
+			f.set(null, new File("."));
+		}
+		catch (Exception e)
+		{
+			e.printStackTrace();
+			return;
+		}
+		
+		// start minecraft game application
+		net.minecraft.client.Minecraft.main(args);
+		
+		// enumerate all threads in this process
+		Thread[] threads = new Thread[256];
+		int count = java.lang.Thread.enumerate(threads);
+		
+		// find the minecraft main thread
+		net.minecraft.client.Minecraft mc;
+		for(int i = 0; i < count; ++i)
+		{
+			// compare thread name to find the main thread
+			if(threads[i].getName().equals("Minecraft main thread"))
+			{
+				try
+				{
+					// get access to minecraft main thread object
+					Field f = Thread.class.getDeclaredField("target");
+					Field.setAccessible(new Field[] { f }, true);
+					mc = (net.minecraft.client.Minecraft)f.get(threads[i]);
+				}
+				catch (Exception e)
+				{
+					e.printStackTrace();
+					System.exit(0);
+				}
+				break;
+			}
+		}
+		
+		// the variable mc now holds a reference to the minecraft main core class, anything
+        // should be accessible from there... have fun :)
+	}
+	
+}