2 files changed, 64 insertions, 0 deletions
diff --git a/src/main/java/moe/nea/modernjava/launch/util/ClassLoaderManipulations.java b/src/main/java/moe/nea/modernjava/launch/util/ClassLoaderManipulations.java
new file mode 100644
index 0000000..09f2368
--- /dev/null
+++ b/src/main/java/moe/nea/modernjava/launch/util/ClassLoaderManipulations.java
@@ -0,0 +1,31 @@
+package moe.nea.modernjava.launch.util;
+
+import net.minecraft.launchwrapper.Launch;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class ClassLoaderManipulations {
+
+    public static void addToParentClassLoader(File file) {
+        try {
+            addToParentClassLoader(file.toURI().toURL());
+        } catch (MalformedURLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void addToParentClassLoader(URL file) {
+        try {
+            Launch.classLoader.addURL(file);
+            ClassLoader parentClassLoader = Launch.classLoader.getClass().getClassLoader();
+            Method addUrl = parentClassLoader.getClass().getDeclaredMethod("addURL", URL.class);
+            addUrl.setAccessible(true);
+            addUrl.invoke(parentClassLoader, file);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/src/main/java/moe/nea/modernjava/launch/util/ReflectionUtils.java b/src/main/java/moe/nea/modernjava/launch/util/ReflectionUtils.java
new file mode 100644
index 0000000..abc2364
--- /dev/null
+++ b/src/main/java/moe/nea/modernjava/launch/util/ReflectionUtils.java
@@ -0,0 +1,33 @@
+package moe.nea.modernjava.launch.util;
+
+import sun.misc.Unsafe;
+
+import java.lang.reflect.Field;
+
+public class ReflectionUtils {
+    private static Unsafe unsafe;
+
+    static {
+        try {
+            final Field unsafeField = Unsafe.class.getDeclaredField("theUnsafe");
+            unsafeField.setAccessible(true);
+            unsafe = (Unsafe) unsafeField.get(null);
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    public static void makeFieldWritable(Field f) {
+        String s = "Doing nothing. We will use unsafe to set the value instead, if possible";
+    }
+
+    public static void doFieldWrite(Field field, Object object) throws IllegalAccessException {
+        if (unsafe == null) {
+            field.set(null, object);
+        } else {
+            Object o = unsafe.staticFieldBase(field);
+            long l = unsafe.staticFieldOffset(field);
+            unsafe.putObject(o, l, object);
+        }
+    }
+}