More nightly trolling (it launches)

2 files changed, 87 insertions, 0 deletions

diff --git a/src/main/java/gq/malwarefight/nosession/tweaks/cleanup/CleanupTweaker.java b/src/main/java/gq/malwarefight/nosession/tweaks/cleanup/CleanupTweaker.java
new file mode 100644
index 0000000..c0e2df4
--- /dev/null
+++ b/src/main/java/gq/malwarefight/nosession/tweaks/cleanup/CleanupTweaker.java
@@ -0,0 +1,82 @@
+package gq.malwarefight.nosession.tweaks.cleanup;
+
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import net.minecraft.launchwrapper.ITweaker;
+import net.minecraft.launchwrapper.Launch;
+import net.minecraft.launchwrapper.LaunchClassLoader;
+import net.minecraftforge.fml.common.asm.ASMTransformerWrapper;
+
+import java.io.File;
+import java.lang.reflect.*;
+import java.net.URL;
+import java.net.URLStreamHandler;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import gq.malwarefight.nosession.utils.Utils;
+
+public class CleanupTweaker implements ITweaker {
+    /**
+     * Cached to avoid expensive reflection operations
+     */
+    public Method makeWrapper;
+
+    public CleanupTweaker() throws NoSuchMethodException {
+        makeWrapper = ASMTransformerWrapper.class.getDeclaredMethod("makeWrapper", String.class);
+        makeWrapper.setAccessible(true);
+    }
+    @Override
+    @SuppressWarnings("unchecked")
+    public void acceptOptions(List<String> args, File gameDir, File assetsDir, String profile) {
+        // add the FMLTweaker
+        ArrayList<String> tweakerList = (ArrayList<String>) Launch.blackboard.get("TweakClasses");
+        tweakerList.add("net.minecraftforge.fml.common.launcher.FMLTweaker");
+        // reset ASMTransformerWrapper
+        Class<ASMTransformerWrapper> cls = ASMTransformerWrapper.class;
+        try {
+            Utils.setStaticValue(cls, "wrapperModMap", new HashMap<String, String>());
+            Utils.setStaticValue(cls, "wrapperParentMap", new HashMap<String, String>());
+            Utils.setStaticValue(cls, "wrapperCache",  CacheBuilder.newBuilder().maximumSize(30L).weakValues().build(new CacheLoader<String, byte[]>() {
+                public byte[] load(String file) throws Exception {
+                    return (byte[]) makeWrapper.invoke(null, file);
+                }
+            }));
+            Utils.setStaticValue(cls, "asmGenRoot", new URL("asmgen", null, -1, "/", getAsmGenHandler()));
+            Utils.setStaticValue(cls, "injected", false);
+        } catch (Exception e) {
+            System.err.println("NoSession: Fixing ASMTransformerWrapper failed. Things may break.");
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void injectIntoClassLoader(LaunchClassLoader classLoader) {}
+
+    @Override
+    public String getLaunchTarget() {
+        return "net.minecraft.client.main.Main";
+    }
+
+    @Override
+    public String[] getLaunchArguments() {
+        return new String[0];
+    }
+
+
+
+    @SuppressWarnings("unchecked")
+    private URLStreamHandler getAsmGenHandler() throws InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
+        Class<ASMTransformerWrapper> cls = ASMTransformerWrapper.class;
+        for (Class<?> candidate: cls.getDeclaredClasses()) {
+            if (candidate.getSimpleName().equals("ASMGenHandler")) {
+                Method pgdc = Class.class.getDeclaredMethod("privateGetDeclaredConstructors", boolean.class);
+                pgdc.setAccessible(true);
+                Constructor<? extends URLStreamHandler> constructor = ((Constructor<? extends URLStreamHandler>[]) pgdc.invoke(candidate, false))[0];
+                constructor.setAccessible(true);
+                return constructor.newInstance();
+            }
+        }
+        throw new RuntimeException("NoSession: unable to get the ASMGenHandler");
+    }
+}
diff --git a/src/main/java/gq/malwarefight/nosession/tweaks/cleanup/package-info.java b/src/main/java/gq/malwarefight/nosession/tweaks/cleanup/package-info.java
new file mode 100644
index 0000000..c2a48ea
--- /dev/null
+++ b/src/main/java/gq/malwarefight/nosession/tweaks/cleanup/package-info.java
@@ -0,0 +1,5 @@
+/**
+ * Due to the launchwrapper using a launchclassloader exclusion on every tweaker's package, we separate the two tweakers
+ * so that the loader exclusion doesn't affect anything else
+ */
+package gq.malwarefight.nosession.tweaks.cleanup;
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